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2019 - 10 - 25
随着(zhe)对煤(mei)矿(kuang)(kuang)(kuang)(kuang)(kuang)安全(quan)的(de)(de)日益重(zhong)视,将对煤(mei)矿(kuang)(kuang)(kuang)(kuang)(kuang)领域中(zhong)使(shi)(shi)用(yong)的(de)(de)水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)提出更高的(de)(de)要(yao)求和标准。让我们看(kan)一下(xia)(xia)水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)在(zai)煤(mei)炭(tan)行业中(zhong)排(pai)名前五(wu)的(de)(de)应(ying)用(yong)。  1.炼煤(mei)-水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)  在(zai)精煤(mei)的(de)(de)真(zhen)(zhen)(zhen)空过(guo)(guo)(guo)滤过(guo)(guo)(guo)程中(zhong),通(tong)常(chang)需要(yao)使(shi)(shi)用(yong)水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)来(lai)承(cheng)受空气(qi)(qi)和水的(de)(de)冲击,并(bing)且(qie)需要(yao)预分(fen)离(li)器来(lai)使(shi)(shi)压力平稳并(bing)分(fen)离(li)液体。  2.除尘-水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)  煤(mei)矿(kuang)(kuang)(kuang)(kuang)(kuang)区粉尘多,成分(fen)复杂(za),是煤(mei)矿(kuang)(kuang)(kuang)(kuang)(kuang)区地(di)面污(wu)染(ran)的(de)(de)主(zhu)要(yao)来(lai)源。大(da)型水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)是主(zhu)泵(beng)(beng)(beng)(beng)(beng),配(pei)备(bei)有分(fen)离(li),除尘,保护(hu)等装置,可实现(xian)矿(kuang)(kuang)(kuang)(kuang)(kuang)区粉尘的(de)(de)循(xun)环利用(yong),并(bing)起到(dao)净化空气(qi)(qi)的(de)(de)作用(yong)。  3.生(sheng)产防(fang)静(jing)电设备(bei)-水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)  在(zai)生(sheng)产防(fang)静(jing)电,阻(zu)燃输(shu)送(song)带(dai)(dai)和井下(xia)(xia)服装的(de)(de)过(guo)(guo)(guo)程中(zhong),采用(yong)真(zhen)(zhen)(zhen)空浸渍工(gong)艺使(shi)(shi)防(fang)静(jing)电,阻(zu)燃剂进(jin)入输(shu)送(song)带(dai)(dai)内(nei)(nei)部(bu),代替(ti)了原来(lai)的(de)(de)喷(pen)涂工(gong)艺,更加安全(quan)可靠(kao)。  4.真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)干(gan)燥电缆-水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)  矿(kuang)(kuang)(kuang)(kuang)(kuang)井电缆长(zhang)期用(yong)于相(xiang)对潮湿(shi)的(de)(de)矿(kuang)(kuang)(kuang)(kuang)(kuang)井中(zhong),很容易降低(di)绝缘(yuan)性(xing)能(neng)。 水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)用(yong)作泵(beng)(beng)(beng)(beng)(beng)送(song)设备(bei),低(di)电压和大(da)电流(liu)在(zai)电缆内(nei)(nei)部(bu)通(tong)过(guo)(guo)(guo)。内(nei)(nei)部(bu)产生(sheng)热量,在(zai)低(di)氧浓度下(xia)(xia)完成干(gan)燥,可有效防(fang)止氧化现(xian)象,延长(zhang)电缆的(de)(de)老化时间(jian)处理。  5.抽气(qi)(qi)-水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)  天(tian)然气(qi)(qi)也被称为煤(mei)层气(qi)(qi),主(zhu)要(yao)成分(fen)是甲烷。地(di)下(xia)(xia)煤(mei)层中(zhong)的(de)(de)瓦斯(si)含量非常(chang)丰富。如(ru)(ru)果自然的(de)(de)散发飘在(zai)空中(zhong),将会造成严重(zhong)的(de)(de)温室(shi)效应(ying),并(bing)存在(zai)严重(zhong)的(de)(de)爆炸(zha)危(wei)险。众所周知,水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)是抽出易燃气(qi)(qi)体和爆炸(zha)性(xing)气(qi)(qi)体(例(li)如(ru)(ru)气(qi)(qi)体)的(de)(de)首选设备(bei)之一,因为它在(zai)泵(beng)(beng)(beng)(beng)(beng)送(song)和排(pai)气(qi)(qi)时几乎是等温的(de)(de)。如(ru)(ru)果要(yao)抽出气(qi)(qi)体,则水环真(zhen)(zhen)(zhen)空泵(beng)(beng)(beng)(beng)(beng)应(ying)配(pei)备(bei)防(fang)爆电机。
2019 - 11 - 05
我(wo)们(men)(men)都知(zhi)道(dao)(dao),在(zai)(zai)水(shui)(shui)(shui)(shui)(shui)(shui)环(huan)(huan)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵,一(yi)般使(shi)用(yong)作(zuo)(zuo)为工(gong)(gong)(gong)作(zuo)(zuo)流体(ti)(ti)是(shi)水(shui)(shui)(shui)(shui)(shui)(shui),排出(chu)吸(xi)入(ru)(ru)到真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)中的(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)(de)过(guo)程(cheng)中达到的(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de),处理水(shui)(shui)(shui)(shui)(shui)(shui)被(bei)吸(xi)入(ru)(ru)水(shui)(shui)(shui)(shui)(shui)(shui),由(you)(you)(you)于击打(da)发送(song)泵壁,所(suo)述(shu)叶(ye)轮,由(you)(you)(you)此(ci)充当盘由(you)(you)(you)于工(gong)(gong)(gong)作(zuo)(zuo)流体(ti)(ti)和真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)降(jiang)低(di)的(de)(de)(de)(de)(de)温度(du)(du)(du)上升产生(sheng)热量,如果(guo)我(wo)们(men)(men)的(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)稳定(ding)(ding)流被(bei)排出(chu)在(zai)(zai)水(shui)(shui)(shui)(shui)(shui)(shui)环(huan)(huan)泵吸(xi)入(ru)(ru)的(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)(de)不会产生(sheng)这样(yang)的(de)(de)(de)(de)(de),但它(ta)(ta)在(zai)(zai)有(you)必(bi)要(yao)很多情况下,水(shui)(shui)(shui)(shui)(shui)(shui)或(huo)(huo)其它(ta)(ta)工(gong)(gong)(gong)作(zuo)(zuo)流体(ti)(ti)循环(huan)(huan)使(shi)用(yong),这时候需要(yao)配置一(yi)个冷却塔(ta)或(huo)(huo)冷凝器(qi),使(shi)水(shui)(shui)(shui)(shui)(shui)(shui)泵正常工(gong)(gong)(gong)作(zuo)(zuo)。  冷却塔(ta)是(shi)一(yi)种散(san)热片,水(shui)(shui)(shui)(shui)(shui)(shui)分(fen)散(san)在(zai)(zai)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)调或(huo)(huo)制冷产生(sheng)的(de)(de)(de)(de)(de),工(gong)(gong)(gong)业废热的(de)(de)(de)(de)(de)吸(xi)热蒸发装置.以确保使(shi)用(yong)该系统(tong)的(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)操作(zuo)(zuo)原(yuan)理的(de)(de)(de)(de)(de),他(ta)可(ke)以降(jiang)下来(lai)的(de)(de)(de)(de)(de)冷却水(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)(de)温度(du)(du)(du)。使(shi)用(yong)该原(yuan)理,我(wo)们(men)(men)可(ke)以解决水(shui)(shui)(shui)(shui)(shui)(shui)环(huan)(huan)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵的(de)(de)(de)(de)(de)问题来(lai)降(jiang)低(di)循环(huan)(huan)液的(de)(de)(de)(de)(de)温度(du)(du)(du)上升的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)。在(zai)(zai)我(wo)们(men)(men)的(de)(de)(de)(de)(de)漏极水(shui)(shui)(shui)(shui)(shui)(shui)泵被(bei)打(da)开并连(lian)接到冷却塔(ta)的(de)(de)(de)(de)(de)管道(dao)(dao),通(tong)过(guo)冷却塔(ta)的(de)(de)(de)(de)(de)冷却效果(guo)以降(jiang)低(di)水(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)(de)温度(du)(du)(du),然后让(rang)水(shui)(shui)(shui)(shui)(shui)(shui)进入(ru)(ru)储(chu)存箱或(huo)(huo)贮(zhu)存器(qi),使(shi)得水(shui)(shui)(shui)(shui)(shui)(shui)环(huan)(huan)泵在(zai)(zai)连(lian)续工(gong)(gong)(gong)作(zuo)(zuo)过(guo)程(cheng)可(ke)以控制循环(huan)(huan)流体(ti)(ti)的(de)(de)(de)(de)(de)温度(du)(du)(du),从而解决了水(shui)(shui)(shui)(shui)(shui)(shui)环(huan)(huan)泵循环(huan)(huan)流体(ti)(ti)温度(du)(du)(du)由(you)(you)(you)于真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)降(jiang)低(di)。  在(zai)(zai)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)蒸馏(liu)或(huo)(huo)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)冷却过(guo)程(cheng)中,气体(ti)(ti)的(de)(de)(de)(de)(de)温度(du)(du)(du)过(guo)高(gao)会引(yin)起(qi)泵送(song)的(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)泵的(de)(de)(de)(de)(de)温度(du)(du)(du)上升,以减少水(shui)(shui)(shui)(shui)(shui)(shui)泵的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)(du),所(suo)以我(wo)们(men)(men)必(bi)须在(zai)(zai)的(de)(de)(de)(de)(de)入(ru)(ru)口被(bei)连(lian)接水(shui)(shui)(shui)(shui)(shui)(shui)泵冷凝器(qi)。冷却冷凝器(qi)的(de)(de)(de)(de)(de)气体(ti)(ti)温度(du)(du)(du)降(jiang)低(di),然后被(bei)吸(xi)入(ru)(ru)到水(shui)(shui)(shui)(shui)(shui)(shui)环(huan)(huan)泵之后,那么它(ta)(ta)将解决由(you)(you)(you)于在(zai)(zai)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)中减少高(gao)温下的(de)(de)(de)(de)(de)问题。  真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵系统(tong)由(you)(you)(you)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵,缓冲(chong)罐,和集尘罐阀关闭链路信道(dao)(dao)组(zu)成。和一(yi)定(ding)(ding)程(cheng)度(du)(du)(du)的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵吸(xi)入(ru)(ru)容量的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)的(de)(de)(de)(de)(de)被(bei)选择作(zuo)(zuo)为关键V形方(fang)法的(de)(de)(de)(de)(de)成功(gong)。消费(fei)绕到-66500Pa真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(-500mmHg)的(de)(de)(de)(de)(de)一(yi)般程(cheng)度(du)(du)(du)最高(gao)。缓冲(chong)罐是(shi)密(mi)封容器(qi),其主要(yao)功(gong)能是(shi)稳定(ding)(ding)真(zhen)(zhen)(zhen)(zhen)...
2019 - 11 - 06
在(zai)工业机械水(shui)(shui)(shui)(shui)(shui)环(huan)真(zhen)空(kong)(kong)泵(beng)(beng)设(she)备(bei)(bei)的(de)(de)(de)(de)(de)(de)使(shi)用中,轴承(cheng),电动(dong)机等是(shi)通(tong)用的(de)(de)(de)(de)(de)(de)必不可少(shao)的(de)(de)(de)(de)(de)(de)附(fu)件,它们(men)在(zai)设(she)备(bei)(bei)中起着重(zhong)(zhong)要(yao)的(de)(de)(de)(de)(de)(de)作用,并且(qie)除某些设(she)备(bei)(bei)外(wai),还有一种轴封(feng)(feng)(feng)的(de)(de)(de)(de)(de)(de)附(fu)件也起着重(zhong)(zhong)要(yao)的(de)(de)(de)(de)(de)(de)作用防止液体在(zai)设(she)备(bei)(bei)的(de)(de)(de)(de)(de)(de)轴和轴承(cheng)之(zhi)(zhi)间泄(xie)漏(lou)(lou)(lou)(lou)。那(nei)么,如何判断水(shui)(shui)(shui)(shui)(shui)环(huan)真(zhen)空(kong)(kong)泵(beng)(beng)轴封(feng)(feng)(feng)是(shi)否(fou)泄(xie)漏(lou)(lou)(lou)(lou)?  1.检(jian)(jian)查(cha)低压缸排气(qi)安全门(men)是(shi)否(fou)完整并且(qie)没有吸气(qi)。  2.检(jian)(jian)查(cha)并确(que)保(bao)真(zhen)空(kong)(kong)使(shi)门(men)关闭(bi)且(qie)不会(hui)(hui)泄(xie)漏(lou)(lou)(lou)(lou)。  3.确(que)保(bao)冷凝器(qi)(qi)的(de)(de)(de)(de)(de)(de)蒸汽出口(kou)关闭(bi)且(qie)不泄(xie)漏(lou)(lou)(lou)(lou)。  4.确(que)保(bao)真(zhen)空(kong)(kong)系(xi)统的(de)(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)位计不破裂或(huo)泄(xie)漏(lou)(lou)(lou)(lou)。  5. 检(jian)(jian)查(cha)水(shui)(shui)(shui)(shui)(shui)环(huan)真(zhen)空(kong)(kong)泵(beng)(beng)阀(fa)的(de)(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)封(feng)(feng)(feng),管(guan)道(dao),法兰或(huo)焊缝是(shi)否(fou)紧固(gu),特别是(shi)膨(peng)胀罐或(huo)锅炉起动(dong)器(qi)(qi)分离(li)器(qi)(qi)与冷凝器(qi)(qi)管(guan)和阀(fa)口(kou)是(shi)否(fou)紧密。  6.检(jian)(jian)查(cha)抽气(qi)管(guan)与钢瓶之(zhi)(zhi)间的(de)(de)(de)(de)(de)(de)真(zhen)空(kong)(kong)连接是(shi)否(fou)泄(xie)漏(lou)(lou)(lou)(lou)。在(zai)此(ci),当(dang)减少(shao)负荷时漏(lou)(lou)(lou)(lou)气(qi)减少(shao),并且(qie)在(zai)增加(jia)负荷后(hou)(hou)真(zhen)空(kong)(kong)度(du)稍微升高。  7. 检(jian)(jian)查(cha)水(shui)(shui)(shui)(shui)(shui)环(huan)真(zhen)空(kong)(kong)泵(beng)(beng)的(de)(de)(de)(de)(de)(de)低压加(jia)热(re)器(qi)(qi)水(shui)(shui)(shui)(shui)(shui)位是(shi)否(fou)正常,接地门(men)是(shi)否(fou)紧固(gu)。  8.检(jian)(jian)查(cha)调速供水(shui)(shui)(shui)(shui)(shui)真(zhen)空(kong)(kong)泵(beng)(beng)的(de)(de)(de)(de)(de)(de)重(zhong)(zhong)力回(hui)水(shui)(shui)(shui)(shui)(shui)是(shi)否(fou)通(tong)向冷凝器(qi)(qi)。如果回(hui)水(shui)(shui)(shui)(shui)(shui)量少(shao),则无法密封(feng)(feng)(feng)水(shui)(shui)(shui)(shui)(shui)封(feng)(feng)(feng)袋,应(ying)将真(zhen)空(kong)(kong)泵(beng)(beng)密封(feng)(feng)(feng)水(shui)(shui)(shui)(shui)(shui)返回(hui)到(dao)沟槽。  以上(shang)是(shi)判断水(shui)(shui)(shui)(shui)(shui)环(huan)真(zhen)空(kong)(kong)泵(beng)(beng)轴封(feng)(feng)(feng)是(shi)否(fou)泄(xie)漏(lou)(lou)(lou)(lou)的(de)(de)(de)(de)(de)(de)方(fang)法,主要(yao)原因(yin)(yin)(yin)是(shi)从以上(shang)几个方(fang)面入(ru)手,希望(wang)您能(neng)理解。密封(feng)(feng)(feng)问题(ti)在(zai)许(xu)多(duo)水(shui)(shui)(shui)(shui)(shui)环(huan)泵(beng)(beng)设(she)备(bei)(bei)的(de)(de)(de)(de)(de)(de)使(shi)用中非常重(zhong)(zhong)要(yao),因(yin)(yin)(yin)为其(qi)后(hou)(hou)果很严重(zhong)(zhong),会(hui)(hui)导致环(huan)境污(wu)染(ran)和石油资源(yuan)的(de)(de)(de)(de)(de)(de)浪费,因(yin)(yin)(yin)此(ci)必须认真(zhen)处理。
2019 - 11 - 08
生(sheng)物(wu)(wu)(wu)(wu)制(zhi)(zhi)(zhi)药(yao)作为(wei)(wei)一种高(gao)科(ke)(ke)(ke)技(ji)产(chan)(chan)(chan)业(ye)(ye)(ye)(ye)(ye),随(sui)着(zhe)近几年(nian)科(ke)(ke)(ke)学(xue)(xue)(xue)(xue)技(ji)术(shu)(shu)的(de)(de)提高(gao),得到(dao)了(le)迅猛的(de)(de)发展,为(wei)(wei)我国(guo)的(de)(de)生(sheng)物(wu)(wu)(wu)(wu)制(zhi)(zhi)(zhi)药(yao)带来(lai)的(de)(de)前所未有的(de)(de)广阔的(de)(de)市场(chang)前景(jing)。 制(zhi)(zhi)(zhi)药(yao)产(chan)(chan)(chan)业(ye)(ye)(ye)(ye)(ye)与生(sheng)物(wu)(wu)(wu)(wu)医(yi)(yi)(yi)学(xue)(xue)(xue)(xue)工(gong)程(cheng)产(chan)(chan)(chan)业(ye)(ye)(ye)(ye)(ye)是(shi)现(xian)代医(yi)(yi)(yi)药(yao)产(chan)(chan)(chan)业(ye)(ye)(ye)(ye)(ye)的(de)(de)两大支柱。旋(xuan)(xuan)(xuan)(xuan)片(pian)(pian)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)在制(zhi)(zhi)(zhi)药(yao)产(chan)(chan)(chan)业(ye)(ye)(ye)(ye)(ye)与生(sheng)物(wu)(wu)(wu)(wu)医(yi)(yi)(yi)学(xue)(xue)(xue)(xue)工(gong)程(cheng)产(chan)(chan)(chan)业(ye)(ye)(ye)(ye)(ye)应用(yong)(yong)的(de)(de)越(yue)来(lai)越(yue)广泛.  生(sheng)物(wu)(wu)(wu)(wu)医(yi)(yi)(yi)药(yao)产(chan)(chan)(chan)业(ye)(ye)(ye)(ye)(ye)由生(sheng)物(wu)(wu)(wu)(wu)技(ji)术(shu)(shu)产(chan)(chan)(chan)业(ye)(ye)(ye)(ye)(ye)与医(yi)(yi)(yi)药(yao)产(chan)(chan)(chan)业(ye)(ye)(ye)(ye)(ye)共(gong)同组成。生(sheng)物(wu)(wu)(wu)(wu)医(yi)(yi)(yi)学(xue)(xue)(xue)(xue)工(gong)程(cheng)是(shi)综合应用(yong)(yong)生(sheng)命科(ke)(ke)(ke)学(xue)(xue)(xue)(xue)与工(gong)程(cheng)科(ke)(ke)(ke)学(xue)(xue)(xue)(xue)的(de)(de)原理和方(fang)法,从工(gong)程(cheng)学(xue)(xue)(xue)(xue)角度(du)在分(fen)(fen)子、细胞、组织(zhi)、器(qi)官乃至整个人体系(xi)统多层次认识人体的(de)(de)结构、功(gong)能和其他生(sheng)命现(xian)象,研究用(yong)(yong)于(yu)防病、治病、人体功(gong)能辅(fu)助及(ji)(ji)卫生(sheng)保(bao)健的(de)(de)人工(gong)材料(liao)、制(zhi)(zhi)(zhi)品、装置和系(xi)统技(ji)术(shu)(shu)的(de)(de)总称。  生(sheng)物(wu)(wu)(wu)(wu)医(yi)(yi)(yi)学(xue)(xue)(xue)(xue)工(gong)程(cheng)产(chan)(chan)(chan)业(ye)(ye)(ye)(ye)(ye)包括:生(sheng)物(wu)(wu)(wu)(wu)医(yi)(yi)(yi)学(xue)(xue)(xue)(xue)材料(liao)制(zhi)(zhi)(zhi)品、(生(sheng)物(wu)(wu)(wu)(wu))人工(gong)器(qi)官、医(yi)(yi)(yi)学(xue)(xue)(xue)(xue)影(ying)像和诊断设备、医(yi)(yi)(yi)学(xue)(xue)(xue)(xue)电(dian)子仪器(qi)和监(jian)护装置、现(xian)代医(yi)(yi)(yi)学(xue)(xue)(xue)(xue)治疗设备、医(yi)(yi)(yi)学(xue)(xue)(xue)(xue)信息技(ji)术(shu)(shu)、康复工(gong)程(cheng)技(ji)术(shu)(shu)和装置、组织(zhi)工(gong)程(cheng)等。  旋(xuan)(xuan)(xuan)(xuan)片(pian)(pian)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)在制(zhi)(zhi)(zhi)药(yao)化(hua)工(gong)行业(ye)(ye)(ye)(ye)(ye)中必不(bu)可(ke)(ke)少,它的(de)(de)应用(yong)(yong)优(you)点有哪些呢?  1.由于(yu)旋(xuan)(xuan)(xuan)(xuan)片(pian)(pian)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)减少了(le)29kw,按每年(nian)连(lian)续生(sheng)产(chan)(chan)(chan)10个月(yue)计算(suan),可(ke)(ke)节约电(dian)费。  2.由于(yu)原系(xi)统真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)度(du)不(bu)够高(gao),要提高(gao)加热温度(du)。现(xian)改用(yong)(yong)旋(xuan)(xuan)(xuan)(xuan)片(pian)(pian)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)为(wei)(wei)主泵(beng),系(xi)统真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)度(du)较好,可(ke)(ke)以增加投料(liao)量(liang),提高(gao)每月(yue)产(chan)(chan)(chan)量(liang),产(chan)(chan)(chan)品收(shou)率也提高(gao)了(le),这为(wei)(wei)公(gong)司带来(lai)可(ke)(ke)观的(de)(de)经济(ji)效(xiao)益(yi)。  3.旋(xuan)(xuan)(xuan)(xuan)片(pian)(pian)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)无(wu)污(wu)水排(pai)放(fang),排(pai)气口配有液气分(fen)(fen)离装置,可(ke)(ke)回收(shou)部分(fen)(fen)物(wu)(wu)(wu)(wu)料(liao),同时(shi)旋(xuan)(xuan)(xuan)(xuan)片(pian)(pian)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)本身耐腐(fu)蚀,可(ke)(ke)抽除酸(suan)碱性气体以及(ji)(ji)大量(liang)水汽和粉尘的(de)(de)气体。  4.旋(xuan)(xuan)(xuan)(xuan)片(pian)(pian)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)运转非常(chang)平稳可(ke)(ke)靠(kao),维修率极(ji)低,维护保(bao)养方(fang)便(bian),是(shi)制(zhi)(zhi)(zhi)药(yao)、化(hua)工(gong)、产(chan)(chan)(chan)...
2019 - 11 - 12
干(gan)(gan)式(shi)真(zhen)(zhen)空(kong)泵(beng)(beng)作为(wei)核心装(zhuang)备广泛应用(yong)于半(ban)导体(ti)产业、太阳能(neng)电(dian)池制(zhi)(zhi)(zhi)(zhi)造(zao)、化工、制(zhi)(zhi)(zhi)(zhi)药等重(zhong)要行(xing)业, 其研(yan)发和生(sheng)产越来越受到重(zhong)视(shi)。干(gan)(gan)式(shi)真(zhen)(zhen)空(kong)泵(beng)(beng)有多种(zhong)结构形式(shi),其中主(zhu)要有多级(ji)(ji)罗茨(ci)式(shi)、多级(ji)(ji)爪式(shi)、组合式(shi)(罗茨(ci)+爪型(xing))和螺杆式(shi)等,抽气(qi)(qi)过(guo)程中气(qi)(qi)体(ti)的(de)(de)(de)(de)(de)(de)温度(du)和压(ya)力存(cun)在(zai)(zai)(zai)复杂的(de)(de)(de)(de)(de)(de)变(bian)化。目(mu)前, 除制(zhi)(zhi)(zhi)(zhi)造(zao)装(zhuang)配要求(qiu)精度(du)高、加工难度(du)大等制(zhi)(zhi)(zhi)(zhi)约因(yin)素外,设计(ji)理论(lun)也亟待提高,如(ru)转子热变(bian)形及对间隙的(de)(de)(de)(de)(de)(de)影响、空(kong)气(qi)(qi)动(dong)(dong)力性噪声的(de)(de)(de)(de)(de)(de)产生(sheng)与控制(zhi)(zhi)(zhi)(zhi)、颗(ke)粒物(wu)的(de)(de)(de)(de)(de)(de)抽除及在(zai)(zai)(zai)腔内(nei)的(de)(de)(de)(de)(de)(de)运动(dong)(dong)等问(wen)题(ti)(ti)都值得深入分析(xi), 因(yin)此(ci),对泵(beng)(beng)腔的(de)(de)(de)(de)(de)(de)流(liu)场进(jin)行(xing)研(yan)究(jiu)(jiu)具有重(zhong)要意义。  近年来,计(ji)算(suan)流(liu)体(ti)力学(CFD ,Computational FluidDynamics)发展迅(xun)速并被应用(yong)于流(liu)体(ti)机械内(nei)部流(liu)场的(de)(de)(de)(de)(de)(de)研(yan)究(jiu)(jiu)。在(zai)(zai)(zai)真(zhen)(zhen)空(kong)技(ji)术领域也不断有 CFD 的(de)(de)(de)(de)(de)(de)应用(yong)成(cheng)果被报道, Boulon 和 Cheng 等研(yan)究(jiu)(jiu)了(le)(le)复合分子泵(beng)(beng)Holweck 排气(qi)(qi)级(ji)(ji)和涡轮增压(ya)泵(beng)(beng)内(nei)的(de)(de)(de)(de)(de)(de)流(liu)动(dong)(dong)模拟(ni)问(wen)题(ti)(ti);Wang 等对不同(tong)运转条件下蒸汽喷射泵(beng)(beng)的(de)(de)(de)(de)(de)(de)性能(neng)进(jin)行(xing)了(le)(le)数值计(ji)算(suan)。本文以多级(ji)(ji)干(gan)(gan)式(shi)真(zhen)(zhen)空(kong)泵(beng)(beng)的(de)(de)(de)(de)(de)(de)罗茨(ci)型(xing)吸(xi)气(qi)(qi)级(ji)(ji)泵(beng)(beng)腔为(wei)研(yan)究(jiu)(jiu)对象(xiang), 基于CFD 通(tong)用(yong)软件AN-SYS -CFX 并采用(yong)动(dong)(dong)网(wang)格方法对泵(beng)(beng)内(nei)的(de)(de)(de)(de)(de)(de)瞬态(tai)流(liu)动(dong)(dong)进(jin)行(xing)了(le)(le)数值计(ji)算(suan), 讨论(lun)了(le)(le)CFD 方法的(de)(de)(de)(de)(de)(de)适用(yong)性, 分析(xi)了(le)(le)气(qi)(qi)体(ti)的(de)(de)(de)(de)(de)(de)流(liu)动(dong)(dong)现象(xiang)和流(liu)场分布, 为(wei)进(jin)一步研(yan)究(jiu)(jiu)干(gan)(gan)式(shi)真(zhen)(zhen)空(kong)泵(beng)(beng)内(nei)的(de)(de)(de)(de)(de)(de)物(wu)理过(guo)程和理论(lun)问(wen)题(ti)(ti)进(jin)行(xing)了(le)(le)有益的(de)(de)(de)(de)(de)(de)尝试.  通(tong)过(guo)学者的(de)(de)(de)(de)(de)(de)研(yan)究(jiu)(jiu)得出以下结论(lun)  (1)应用(yong)动(dong)(dong)网(wang)格方法建立了(le)(le)干(gan)(gan)式(shi)真(zhen)(zhen)空(kong)泵(beng)(beng)罗茨(ci)吸(xi)气(qi)(qi)级(ji)(ji)内(nei)流(liu)动(dong)(dong)的(de)(de)(de)(de)(de)(de)瞬态(tai)模拟(ni)模型(xing), 针对泵(beng)(beng)腔间隙接(jie)...
2019 - 11 - 13
现在(zai),许多工(gong)厂生产的(de)(de)(de)(de)开(kai)料(liao)机(ji)都(dou)根据客户(hu)要(yao)求配备了水(shui)(shui)(shui)环真空(kong)(kong)(kong)泵(beng)(beng)(beng),因此客户(hu)可(ke)以(yi)固定(ding)印版(ban)。但是,没有(you)(you)(you)向客户(hu)清楚地告知使(shi)用(yong)(yong)真空(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)注(zhu)意事项,这导致许多客户(hu)无(wu)法判断真空(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)故障位(wei)(wei)置。有(you)(you)(you)一个问(wen)(wen)题(ti)(ti),今天我们(men)将(jiang)简单(dan)解释一下常用(yong)(yong)的(de)(de)(de)(de)水(shui)(shui)(shui)冷式(shi)真空(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)问(wen)(wen)题(ti)(ti)。  开(kai)料(liao)机(ji)中(zhong)(zhong)(zhong)使(shi)用(yong)(yong)的(de)(de)(de)(de)水(shui)(shui)(shui)环真空(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)常用(yong)(yong)功(gong)率型号通(tong)常为4.0kw,5.5kw,7.5kw等(deng),并(bing)且(qie)真空(kong)(kong)(kong)吸(xi)附(fu)的(de)(de)(de)(de)强度有(you)(you)(you)所不(bu)(bu)同。  水(shui)(shui)(shui)环真空(kong)(kong)(kong)吸(xi)附(fu)泵(beng)(beng)(beng)的(de)(de)(de)(de)主要(yao)组件如(ru)下:  1、吸(xi)气口(kou)(kou):连(lian)接(jie)木工(gong)机(ji)械以(yi)吸(xi)收管(guan)(guan)道。  2、防尘罩:防止(zhi)木屑和其(qi)他杂物进(jin)入泵(beng)(beng)(beng)。  3、止(zhi)回阀:在(zai)停机(ji)期间防止(zhi)泵(beng)(beng)(beng)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)水(shui)(shui)(shui)回流(liu)到设(she)备中(zhong)(zhong)(zhong)。  4、入口(kou)(kou)管(guan)(guan):将(jiang)工(gong)作(zuo)流(liu)体注(zhu)入泵(beng)(beng)(beng)中(zhong)(zhong)(zhong),设(she)备会产生真空(kong)(kong)(kong)。  5、进(jin)水(shui)(shui)(shui)阀:控制工(gong)作(zuo)流(liu)体的(de)(de)(de)(de)流(liu)量。在(zai)启动机(ji)器之(zhi)前,必(bi)须将(jiang)阀门完(wan)全打(da)开(kai),并(bing)确(que)(que)保在(zai)启动真空(kong)(kong)(kong)泵(beng)(beng)(beng)之(zhi)前水(shui)(shui)(shui)已(yi)经进(jin)入泵(beng)(beng)(beng)中(zhong)(zhong)(zhong)。  6、排污口(kou)(kou):使(shi)用(yong)(yong)设(she)备约10天后,排空(kong)(kong)(kong)水(shui)(shui)(shui)箱(xiang)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)工(gong)作(zuo)液(ye)并(bing)更(geng)换清洁的(de)(de)(de)(de)软化水(shui)(shui)(shui)。  7、排气口(kou)(kou):吸(xi)附(fu)过程中(zhong)(zhong)(zhong)产生的(de)(de)(de)(de)气体通(tong)过排气口(kou)(kou)排放到大气中(zhong)(zhong)(zhong)。不(bu)(bu)得(de)堵塞排气口(kou)(kou)。不(bu)(bu)允许连(lian)接(jie)超过两米的(de)(de)(de)(de)管(guan)(guan)道。不(bu)(bu)允许连(lian)接(jie)直径小于5CM的(de)(de)(de)(de)管(guan)(guan)道。容易过载,损坏电机(ji)。  8、 上水(shui)(shui)(shui)位(wei)(wei)置:向水(shui)(shui)(shui)箱(xiang)中(zhong)(zhong)(zhong)加水(shui)(shui)(shui),直到上水(shui)(shui)(shui)位(wei)(wei)置浸透为止(zhi),并(bing)在(zai)每(mei)天启动真空(kong)(kong)(kong)泵(beng)(beng)(beng)之(zhi)前定(ding)期加水(shui)(shui)(shui),以(yi)确(que)(que)保水(shui)(shui)(shui)箱(xiang)中(zhong)(zhong)(zhong)有(you)(you)(you)足够的(de)(de)(de)(de)工(gong)作(zuo)液(ye)。  9、水(shui)(shui)(shui)箱(xiang):容纳(na)工(gong)作(zuo)液(ye)。  那么在(zai)使(shi)用(yong)(yong)水(shui)(shui)(shui)环真空(kong)(kong)(kong)泵(beng)(beng)(beng)之(zhi)前我们(men)应该注(zhu)意哪些问(wen)(wen)题(ti)(ti)?  特别提醒:每(mei)次打(da)开(kai)真空(kong)(kong)(kong)泵(beng)(beng)(beng)时,必(bi)须确(que)(que)保真空(kong)(kong)(kong)泵(beng)(beng)(beng)内部有(you)(you)(you)工(gong)作(zuo)流(liu)体!工(gong)作(zuo)液(ye)位(wei)(wei)需要(yao)达(da)到电机(ji)轴上方!  1、吸(xi)口(kou)(kou)与雕(diao)刻...
2019 - 11 - 15
使(shi)用(yong)(yong)水(shui)(shui)(shui)环真(zhen)空(kong)泵(beng)一段时(shi)(shi)间后,有必要(yao)(yao)检(jian)(jian)(jian)查(cha)设(she)(she)备(bei)。不(bu)要(yao)(yao)等(deng)到设(she)(she)备(bei)不(bu)能(neng)正(zheng)常(chang)(chang)(chang)工作(zuo),否(fou)(fou)则(ze)(ze)会影(ying)响(xiang)生(sheng)产效率。正(zheng)常(chang)(chang)(chang)使(shi)用(yong)(yong)时(shi)(shi),我们将进(jin)行例行维(wei)(wei)护(hu),并(bing)及(ji)时(shi)(shi)更(geng)换(huan)(huan)(huan)(huan)需要(yao)(yao)更(geng)换(huan)(huan)(huan)(huan)的(de)部件(jian),并(bing)进(jin)行维(wei)(wei)护(hu)。  一、准(zhun)备(bei)  1、在维(wei)(wei)护(hu)之(zhi)前(qian)(qian),需要(yao)(yao)准(zhun)备(bei)技术(shu)资料(liao),例如(ru)设(she)(she)备(bei)的(de)使(shi)用(yong)(yong)说明(ming)书,组装(zhuang)图和(he)(he)维(wei)(wei)护(hu)步骤。  2、需要(yao)(yao)事先检(jian)(jian)(jian)查(cha)设(she)(she)备(bei)的(de)运(yun)行,监(jian)视,缺陷,隐患,故障(zhang),功能(neng)状况等(deng),然后分析(xi)可能(neng)存在故障(zhang)的(de)零件(jian)。  3、在设(she)(she)备(bei)维(wei)(wei)修(xiu)之(zhi)前(qian)(qian),有必要(yao)(yao)预先检(jian)(jian)(jian)查(cha)相关的(de)技术(shu)参数,例如(ru)真(zhen)空(kong)度(du),抽速,噪音,振动,磨损(sun),泄漏,老(lao)化,腐蚀和(he)(he)性能(neng),并(bing)记录每个(ge)参数以便(bian)可以确定(ding)维(wei)(wei)护(hu)期间的(de)维(wei)(wei)修(xiu)内容。  二、水(shui)(shui)(shui)环真(zhen)空(kong)泵(beng)小修(xiu)  1、检(jian)(jian)(jian)查(cha)是否(fou)(fou)需要(yao)(yao)更(geng)换(huan)(huan)(huan)(huan)轴承(cheng),调(diao)整(zheng)间隙尺寸(cun),并(bing)调(diao)整(zheng)联轴器或(huo)皮带轮的(de)同轴度(du),以确保(bao)水(shui)(shui)(shui)环真(zhen)空(kong)泵(beng)能(neng)够正(zheng)常(chang)(chang)(chang)运(yun)行。  2、检(jian)(jian)(jian)查(cha),修(xiu)理或(huo)更(geng)换(huan)(huan)(huan)(huan)已损(sun)坏(huai)的(de)消(xiao)耗(hao)品(pin)或(huo)零件(jian)。  3、检(jian)(jian)(jian)查(cha),补(bu)充或(huo)更(geng)换(huan)(huan)(huan)(huan)工作(zuo)流(liu)体(ti)。如(ru)果不(bu)及(ji)时(shi)(shi)更(geng)换(huan)(huan)(huan)(huan)工作(zuo)液(ye),可能(neng)会影(ying)响(xiang)设(she)(she)备(bei)的(de)使(shi)用(yong)(yong)。  4、检(jian)(jian)(jian)查(cha)并(bing)拧紧(jin)连接螺栓(shuan),确保(bao)拧紧(jin)螺栓(shuan),以免发生(sheng)事故。  5、检(jian)(jian)(jian)查(cha)密封是否(fou)(fou)正(zheng)常(chang)(chang)(chang),按或(huo)更(geng)换(huan)(huan)(huan)(huan)包(bao)装(zhuang)。  6、检(jian)(jian)(jian)查(cha)润滑(hua)油(you)的(de)更(geng)换(huan)(huan)(huan)(huan)。如(ru)果长时(shi)(shi)间不(bu)更(geng)换(huan)(huan)(huan)(huan)润滑(hua)油(you),则(ze)(ze)会缩短设(she)(she)备(bei)的(de)使(shi)用(yong)(yong)时(shi)(shi)间。  三、水(shui)(shui)(shui)环真(zhen)空(kong)泵(beng)大修(xiu)  1、包(bao)括小修(xiu)。  2、根据规(gui)定(ding)检(jian)(jian)(jian)查(cha)校准(zhun)真(zhen)空(kong)计(ji)是否(fou)(fou)正(zheng)常(chang)(chang)(chang),并(bing)确认可以显示(shi)正(zheng)确的(de)真(zhen)空(kong)度(du),以免在将来使(shi)用(yong)(yong)时(shi)(shi)产生(sheng)误判(pan)。  3、检(jian)(jian)(jian)查(cha)清洁(jie)工作(zuo)液(ye)系统并(bing)彻底清洁(jie)。  4、检(jian)(jian)(jian)查(cha)泵(beng)体(ti),端盖和(he)(he)隔板的(de)磨损(sun),并(bing)进(jin)行调(diao)整(zheng)。如(ru)果磨损(sun)严重,则(ze)(ze)需要(yao)(yao)及(ji)时(shi)(shi)修(xiu)理或(huo)更(geng)换(huan)(huan)(huan)(huan)。  5、机器表(biao)面已除...
最新资讯 了解公司(si)的(de)最新活动及(ji)打折促销
2020 - 04 - 29
真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)制(zhi)动(dong)(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)主要(yao)应(ying)用(yong)于涡(wo)轮(lun)增压发(fa)动(dong)(dong)(dong)(dong)(dong)机(ji)、自(zi)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)速器(qi)(qi)(qi)车(che)(che)(che)辆(liang)和(he)(he)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)车(che)(che)(che)辆(liang)。制(zhi)动(dong)(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)的(de)(de)(de)(de)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)增压效果关系(xi)到(dao)汽(qi)车(che)(che)(che)的(de)(de)(de)(de)行驶安(an)全(quan)。在汽(qi)车(che)(che)(che)制(zhi)动(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)力(li)(li)系(xi)统(tong)(tong)中,真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)助(zhu)(zhu)力(li)(li)器(qi)(qi)(qi)不能(neng)获得真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)或获得的(de)(de)(de)(de)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)不足(zu),会导致制(zhi)动(dong)(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)助(zhu)(zhu)力(li)(li)效果不佳(jia)。电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵可以(yi)(yi)通过真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)度传(chuan)感器(qi)(qi)(qi)监(jian)测(ce)助(zhu)(zhu)力(li)(li)器(qi)(qi)(qi)中真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)度的(de)(de)(de)(de)变(bian)(bian)化,从而保证(zheng)驾(jia)驶员(yuan)在各(ge)种工况下都能(neng)提(ti)供足(zu)够的(de)(de)(de)(de)助(zhu)(zhu)力(li)(li)效果。  应(ying)用(yong)程序状(zhuang)态  对于电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)汽(qi)车(che)(che)(che),发(fa)动(dong)(dong)(dong)(dong)(dong)机(ji)由电(dian)(dian)(dian)(dian)机(ji)代(dai)替,没有真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)助(zhu)(zhu)力(li)(li)器(qi)(qi)(qi),即不能(neng)产生助(zhu)(zhu)力(li)(li)效果。显然,真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)助(zhu)(zhu)力(li)(li)器(qi)(qi)(qi)此时(shi)不能(neng)为驾(jia)驶员(yuan)提(ti)供必(bi)要(yao)的(de)(de)(de)(de)辅助(zhu)(zhu)保证(zheng)。电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)汽(qi)车(che)(che)(che)的(de)(de)(de)(de)安(an)全(quan)驾(jia)驶已(yi)经(jing)成为一个(ge)必(bi)须解(jie)(jie)决(jue)的(de)(de)(de)(de)问(wen)题(ti)(ti)。电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵可以(yi)(yi)通过传(chuan)感器(qi)(qi)(qi)的(de)(de)(de)(de)检测(ce)和(he)(he)逻辑(ji)判断很(hen)好地解(jie)(jie)决(jue)这(zhei)个(ge)问(wen)题(ti)(ti)。电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵的(de)(de)(de)(de)使(shi)(shi)(shi)用(yong)可以(yi)(yi)保证(zheng)助(zhu)(zhu)力(li)(li)器(qi)(qi)(qi)内的(de)(de)(de)(de)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)度保持在一定的(de)(de)(de)(de)水(shui)平,从而提(ti)供良(liang)好的(de)(de)(de)(de)制(zhi)动(dong)(dong)(dong)(dong)(dong)效率,保证(zheng)行车(che)(che)(che)安(an)全(quan)。  根据结构的(de)(de)(de)(de)不同,电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵可分(fen)为三种类(lei)型(xing):膜(mo)片(pian)式(shi)(shi)(shi)、叶(ye)(ye)片(pian)式(shi)(shi)(shi)和(he)(he)摆(bai)动(dong)(dong)(dong)(dong)(dong)活塞式(shi)(shi)(shi)。  每个(ge)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵都有自(zi)己(ji)的(de)(de)(de)(de)优(you)缺点(dian)(dian)(dian)和(he)(he)使(shi)(shi)(shi)用(yong)特点(dian)(dian)(dian)。目前广泛使(shi)(shi)(shi)用(yong)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵有三种,可根据不同的(de)(de)(de)(de)使(shi)(shi)(shi)用(yong)要(yao)求选择合(he)适的(de)(de)(de)(de)型(xing)号,如增压器(qi)(qi)(qi)容积(ji)、使(shi)(shi)(shi)用(yong)寿命(ming)、噪声情况和(he)(he)成本要(yao)求。  目前,叶(ye)(ye)片(pian)式(shi)(shi)(shi)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵具(ju)有体积(ji)小、无(wu)需消(xiao)耗(hao)发(fa)动(dong)(dong)(dong)(dong)(dong)机(ji)能(neng)耗(hao)、性能(neng)稳定等优(you)点(dian)(dian)(dian)。是(shi)未来1.8T以(yi)(yi)下小排量汽(qi)车(che)(che)(che)和(he)(he)混合(he)动(dong)(dong)(dong)(dong)(dong)力(li)(li)汽(qi)车(che)(che)(che)以(yi)(yi)及纯电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)汽(qi)车(che)(che)(che)的(de)(de)(de)(de)首选,符合(he)未来新的(de)(de)(de)(de)轻量化技(ji)术、新工艺(yi)和(he)(he)新趋势(shi)。  从长远来看,制(zhi)动(dong)(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)子化将是(shi)一个(ge)大趋势(shi)。无(wu)论是(shi)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)汽(qi)车(che)(che)(che)还是(shi)传(chuan)统(tong)(tong)的(de)(de)(de)(de)燃油汽(qi)车(che)(che)(che),这(zhei)项技(ji)术都将成为一个(ge)重要(yao)的(de)(de)(de)(de)发(fa)展方向。目前,国外领先的(de)(de)(de)(de)零部(bu)件(jian)企业已(yi)经(jing)...
2020 - 05 - 06
真(zhen)空(kong)泵(beng)(beng)(beng)电(dian)(dian)(dian)机(ji)(ji)(ji)是真(zhen)空(kong)泵(beng)(beng)(beng)的(de)(de)(de)核心(xin)部件。为(wei)了更(geng)好地使用(yong)真(zhen)空(kong)泵(beng)(beng)(beng),我们(men)需要对(dui)其工(gong)作原理有一(yi)(yi)(yi)定的(de)(de)(de)了解(jie)。让我们(men)简单(dan)了解(jie)一(yi)(yi)(yi)下(xia)(xia)它的(de)(de)(de)基本(ben)介绍(shao)。  工(gong)厂(chang)电(dian)(dian)(dian)源(yuan)(yuan)及真(zhen)空(kong)泵(beng)(beng)(beng)电(dian)(dian)(dian)机(ji)(ji)(ji)简介  我国三相(xiang)(xiang)(xiang)(xiang)交(jiao)流(liu)(liu)电(dian)(dian)(dian)源(yuan)(yuan)的(de)(de)(de)电(dian)(dian)(dian)压一(yi)(yi)(yi)般(ban)为(wei)380伏(fu)。为(wei)了防止(zhi)输配(pei)电(dian)(dian)(dian)过程中的(de)(de)(de)线(xian)(xian)损,变(bian)压器(qi)到工(gong)厂(chang)的(de)(de)(de)电(dian)(dian)(dian)压一(yi)(yi)(yi)般(ban)为(wei)400伏(fu),这(zhei)是正(zheng)常的(de)(de)(de)。  一(yi)(yi)(yi)般(ban)来说,工(gong)厂(chang)的(de)(de)(de)供电(dian)(dian)(dian)线(xian)(xian)路为(wei)三相(xiang)(xiang)(xiang)(xiang)四线(xian)(xian)制,可与(yu)(yu)三相(xiang)(xiang)(xiang)(xiang)电(dian)(dian)(dian)源(yuan)(yuan)生产(chan)和单(dan)相(xiang)(xiang)(xiang)(xiang)电(dian)(dian)(dian)源(yuan)(yuan)照(zhao)明兼(jian)容。  例(li)如,三相(xiang)(xiang)(xiang)(xiang)电(dian)(dian)(dian)机(ji)(ji)(ji)可以连接(jie)(jie)(jie)到三根(gen)相(xiang)(xiang)(xiang)(xiang)线(xian)(xian),单(dan)相(xiang)(xiang)(xiang)(xiang)负载如照(zhao)明和家用(yong)电(dian)(dian)(dian)器(qi)可以接(jie)(jie)(jie)管相(xiang)(xiang)(xiang)(xiang)线(xian)(xian)和零(ling)线(xian)(xian)以获得(de)单(dan)相(xiang)(xiang)(xiang)(xiang)电(dian)(dian)(dian)源(yuan)(yuan)。对(dui)于(yu)(yu)电(dian)(dian)(dian)焊机(ji)(ji)(ji)等特殊设备,也(ye)可从中, 二根(gen)相(xiang)(xiang)(xiang)(xiang)线(xian)(xian)获得(de)两相(xiang)(xiang)(xiang)(xiang)电(dian)(dian)(dian)源(yuan)(yuan)  在我国,三相(xiang)(xiang)(xiang)(xiang)交(jiao)流(liu)(liu)电(dian)(dian)(dian)的(de)(de)(de)频率是50HZ,这(zhei)意(yi)味着(zhe)每秒(miao)钟的(de)(de)(de)电(dian)(dian)(dian)压按照(zhao)正(zheng)弦规律变(bian)化50次。三相(xiang)(xiang)(xiang)(xiang)异(yi)步电(dian)(dian)(dian)动机(ji)(ji)(ji)的(de)(de)(de)转(zhuan)向与(yu)(yu)相(xiang)(xiang)(xiang)(xiang)序(xu)直(zhi)接(jie)(jie)(jie)相(xiang)(xiang)(xiang)(xiang)关(guan)。真(zhen)空(kong)泵(beng)(beng)(beng)的(de)(de)(de)转(zhuan)向方向是确定的(de)(de)(de),不能(neng)逆转(zhuan),所以相(xiang)(xiang)(xiang)(xiang)序(xu)必须准(zhun)确。反转(zhuan)会损坏真(zhen)空(kong)泵(beng)(beng)(beng)。  旋片式真(zhen)空(kong)泵(beng)(beng)(beng)配(pei)有交(jiao)流(liu)(liu)电(dian)(dian)(dian)机(ji)(ji)(ji),主要是三相(xiang)(xiang)(xiang)(xiang)异(yi)步电(dian)(dian)(dian)机(ji)(ji)(ji)和单(dan)相(xiang)(xiang)(xiang)(xiang)异(yi)步电(dian)(dian)(dian)机(ji)(ji)(ji)。4KW以下(xia)(xia)的(de)(de)(de)电(dian)(dian)(dian)机(ji)(ji)(ji)一(yi)(yi)(yi)般(ban)采用(yong)星形(xing)连接(jie)(jie)(jie)(220/380伏(fu)),4KW以上(shang)的(de)(de)(de)电(dian)(dian)(dian)机(ji)(ji)(ji)一(yi)(yi)(yi)般(ban)采用(yong)三角形(xing)连接(jie)(jie)(jie)(380/660伏(fu))。然而,这(zhei)不一(yi)(yi)(yi)定是绝(jue)对(dui)的(de)(de)(de),必须根(gen)据(ju)电(dian)(dian)(dian)机(ji)(ji)(ji)铭牌上(shang)的(de)(de)(de)标(biao)识进行接(jie)(jie)(jie)线(xian)(xian)。  电(dian)(dian)(dian)机(ji)(ji)(ji)运行时,由(you)于(yu)(yu)线(xian)(xian)圈(quan)和铁芯产(chan)生的(de)(de)(de)铜损耗(hao)和铁损耗(hao)以及机(ji)(ji)(ji)械摩擦(ca)产(chan)生的(de)(de)(de)热(re)量(liang)(liang),电(dian)(dian)(dian)机(ji)(ji)(ji)必然会产(chan)生热(re)量(liang)(liang)。当热(re)量(liang)(liang)不能(neng)及时消散,并且线(xian)(xian)圈(quan)的(de)(de)(de)温度超(chao)过线(xian)(xian)圈(quan)绝(jue)缘材料能(neng)够承受的(de)(de)(de)最高温度时,绝(jue)缘材料将老化,变(bian)得(de)易碎,并且最终绝(jue)缘将被(bei)破坏,直(zhi)到线(xian)(xian)圈(quan)被(bei)烧毁。  I .真(zhen)空(kong)泵(beng)(beng)(beng)与(yu)(yu)电(dian)(dian)(dian)机(ji)(ji)(ji)如何匹(pi)配(pei)?本(ben)次计算:轴功率=1.7...
2020 - 05 - 09
螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)是(shi)容(rong)(rong)积(ji)式真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)的(de)(de)(de)一(yi)个新成员,出现于20世纪90年(nian)代左右,发展较(jiao)(jiao)晚。然(ran)而,螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)作(zuo)为一(yi)种(zhong)理想的(de)(de)(de)干式泵(beng)(beng)(beng)(beng),自问世以(yi)来(lai)发展迅速。现在(zai)跟随小编去理解它(ta)(ta)的(de)(de)(de)基本知识!  一(yi)、螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)的(de)(de)(de)特(te)点  螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)源(yuan)于螺(luo)(luo)杆(gan)(gan)式压(ya)缩(suo)机和螺(luo)(luo)杆(gan)(gan)式液体(ti)输(shu)送泵(beng)(beng)(beng)(beng)。它(ta)(ta)是(shi)容(rong)(rong)积(ji)式真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)中(zhong)理想的(de)(de)(de)干式真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)。它(ta)(ta)能提供一(yi)个清(qing)洁和无油(you)的(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)环(huan)境(jing),并对(dui)腐蚀性(xing)(xing)气(qi)(qi)(qi)(qi)体(ti)、可(ke)冷(leng)(leng)凝(ning)(ning)蒸(zheng)汽和含(han)有(you)(you)灰尘(chen)颗粒的(de)(de)(de)气(qi)(qi)(qi)(qi)体(ti)有(you)(you)很强的(de)(de)(de)适应性(xing)(xing)。因此,螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)在(zai)电子(zi)半导体(ti)、制药(yao)、石油(you)化工(gong)等行(xing)业受(shou)到青睐。对(dui)清(qing)洁的(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)环(huan)境(jing)和复杂(za)的(de)(de)(de)气(qi)(qi)(qi)(qi)体(ti)成分有(you)(you)严(yan)格的(de)(de)(de)要求,逐渐(jian)成为传统油(you)封机械泵(beng)(beng)(beng)(beng)和液环(huan)泵(beng)(beng)(beng)(beng)的(de)(de)(de)替代产品。  螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)通(tong)过(guo)一(yi)对(dui)不(bu)(bu)(bu)对(dui)称螺(luo)(luo)旋转子(zi)的(de)(de)(de)反向(xiang)运(yun)动,周期性(xing)(xing)地改变(bian)齿间(jian)容(rong)(rong)积(ji),实现气(qi)(qi)(qi)(qi)体(ti)输(shu)送,达到抽气(qi)(qi)(qi)(qi)的(de)(de)(de)目的(de)(de)(de)。它(ta)(ta)具有(you)(you)以(yi)下特(te)征(zheng):  1、清(qing)洁无油(you),多相混合运(yun)输(shu),适应性(xing)(xing)广。螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)的(de)(de)(de)转子(zi)之间(jian)有(you)(you)严(yan)格的(de)(de)(de)差距。泵(beng)(beng)(beng)(beng)室内(nei)没(mei)有(you)(you)油(you)。它(ta)(ta)可(ke)以(yi)泵(beng)(beng)(beng)(beng)出腐蚀性(xing)(xing)气(qi)(qi)(qi)(qi)体(ti)、有(you)(you)毒(du)气(qi)(qi)(qi)(qi)体(ti)、灰尘(chen)、可(ke)冷(leng)(leng)凝(ning)(ning)蒸(zheng)汽和其(qi)他复杂(za)气(qi)(qi)(qi)(qi)体(ti)。  2.结(jie)(jie)(jie)构简(jian)单,动平衡好,可(ke)靠性(xing)(xing)高。螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)零件(jian)(jian)少(shao),核心零件(jian)(jian)无易损件(jian)(jian),无不(bu)(bu)(bu)平衡惯性(xing)(xing)力(li),运(yun)行(xing)可(ke)靠,使用寿命长。  3.由于其(qi)结(jie)(jie)(jie)构简(jian)单,零件(jian)(jian)少(shao),易于操作(zuo)、维护(hu)和保养。  4.强制气(qi)(qi)(qi)(qi)体(ti)输(shu)送可(ke)以(yi)确保在(zai)较(jiao)(jiao)宽的(de)(de)(de)压(ya)力(li)范围(wei)内(nei)有(you)(you)较(jiao)(jiao)大(da)的(de)(de)(de)泵(beng)(beng)(beng)(beng)送速度,并且排(pai)气(qi)(qi)(qi)(qi)体(ti)积(ji)几(ji)乎(hu)不(bu)(bu)(bu)受(shou)排(pai)气(qi)(qi)(qi)(qi)压(ya)力(li)的(de)(de)(de)影响。  二。螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)的(de)(de)(de)结(jie)(jie)(jie)构  螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)通(tong)常是(shi)双螺(luo)(luo)杆(gan)(gan)结(jie)(jie)(jie)构。螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)是(shi)一(yi)种(zhong)抽气(qi)(qi)(qi)(qi)装(zhuang)置(zhi),它(ta)(ta)利用一(yi)对(dui)不(bu)(bu)(bu)对(dui)称的(de)(de)(de)螺(luo)(luo)旋转子(zi)在(zai)泵(beng)(beng)(beng)(beng)腔(qiang)内(nei)进行(xing)同(tong)步、高速的(de)(de)(de)反向(xiang)操作(zuo),并...
2020 - 05 - 15
进(jin)口(kou)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)是(shi)指用(yong)机械、化学或(huo)物理化学方法对(dui)泵(beng)(beng)(beng)(beng)(beng)送(song)(song)容器(qi)进(jin)行(xing)抽真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)的(de)(de)(de)(de)(de)装置或(huo)设(she)(she)备(bei)(bei)(bei)。简而言之,真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)是(shi)一(yi)(yi)种(zhong)使用(yong)各种(zhong)方法来(lai)(lai)改善、产生和保持封闭(bi)空(kong)(kong)(kong)(kong)(kong)(kong)间中的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)的(de)(de)(de)(de)(de)装置。  进(jin)口(kou)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)压(ya)(ya)力(li)(li)应(ying)(ying)满(man)足真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)设(she)(she)备(bei)(bei)(bei)的(de)(de)(de)(de)(de)运行(xing)压(ya)(ya)力(li)(li)要(yao)(yao)(yao)求。例(li)如,真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)钻孔(kong)工(gong)艺要(yao)(yao)(yao)求工(gong)作真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)为(wei)10毫微克(ke)(ke),所选真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)至少应(ying)(ying)为(wei)2毫微克(ke)(ke),可(ke)达到1毫微克(ke)(ke)。通(tong)常,真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)被选择(ze)(ze)(ze)为(wei)比真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)设(she)(she)备(bei)(bei)(bei)运行(xing)的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)高(gao)一(yi)(yi)半到一(yi)(yi)个数量(liang)级(ji)。  进(jin)口(kou)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)对(dui)油(you)(you)(you)污染的(de)(de)(de)(de)(de)要(yao)(yao)(yao)求。如果设(she)(she)备(bei)(bei)(bei)不(bu)需(xu)要(yao)(yao)(yao)油(you)(you)(you),应(ying)(ying)选择(ze)(ze)(ze)各种(zhong)非油(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng),如:水环(huan)泵(beng)(beng)(beng)(beng)(beng)、分(fen)子(zi)(zi)筛(shai)吸附(fu)泵(beng)(beng)(beng)(beng)(beng)、低温泵(beng)(beng)(beng)(beng)(beng)等。假设(she)(she)要(yao)(yao)(yao)求不(bu)苛刻(ke),可(ke)以(yi)(yi)选择(ze)(ze)(ze)油(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng),并(bing)采取一(yi)(yi)些防止油(you)(you)(you)污染的(de)(de)(de)(de)(de)措施,如增加冷阱(jing)(jing)、挡板、油(you)(you)(you)阱(jing)(jing)等。也能(neng)(neng)满(man)足清洁真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)的(de)(de)(de)(de)(de)要(yao)(yao)(yao)求。  真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)正确组合。因(yin)为(wei)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)具(ju)有(you)(you)选择(ze)(ze)(ze)性泵(beng)(beng)(beng)(beng)(beng)送(song)(song),所以(yi)(yi)有(you)(you)时一(yi)(yi)个泵(beng)(beng)(beng)(beng)(beng)不(bu)能(neng)(neng)满(man)足泵(beng)(beng)(beng)(beng)(beng)送(song)(song)要(yao)(yao)(yao)求,需(xu)要(yao)(yao)(yao)将几个泵(beng)(beng)(beng)(beng)(beng)组合起来(lai)(lai)以(yi)(yi)相互补充(chong)来(lai)(lai)满(man)足泵(beng)(beng)(beng)(beng)(beng)送(song)(song)要(yao)(yao)(yao)求。例(li)如,钛泵(beng)(beng)(beng)(beng)(beng)对(dui)氢有(you)(you)很(hen)高(gao)的(de)(de)(de)(de)(de)泵(beng)(beng)(beng)(beng)(beng)送(song)(song)速度(du)(du),但它不(bu)能(neng)(neng)泵(beng)(beng)(beng)(beng)(beng)送(song)(song)氦,而溅(jian)射(she)离(li)(li)子(zi)(zi)泵(beng)(beng)(beng)(beng)(beng)(或(huo)2型不(bu)对(dui)称阴极溅(jian)射(she)离(li)(li)子(zi)(zi)泵(beng)(beng)(beng)(beng)(beng))对(dui)氩有(you)(you)一(yi)(yi)定的(de)(de)(de)(de)(de)泵(beng)(beng)(beng)(beng)(beng)送(song)(song)速度(du)(du)。如果两者结合,真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)设(she)(she)备(bei)(bei)(bei)将获得更好的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)。此外,一(yi)(yi)些真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)不(bu)能(neng)(neng)在(zai)大气(qi)压(ya)(ya)下运行(xing),需(xu)要(yao)(yao)(yao)预真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong);一(yi)(yi)些进(jin)口(kou)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)出口(kou)压(ya)(ya)力(li)(li)低于大气(qi)压(ya)(ya)力(li)(li),需(xu)要(yao)(yao)(yao)一(yi)(yi)个前级(ji)泵(beng)(beng)(beng)(beng)(beng),所以(yi)(yi)它们都(dou)需(xu)要(yao)(yao)(yao)组合使用(yong)。  真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)应(ying)(ying)能(neng)(neng)在(zai)其工(gong)作压(ya)(ya)力(li)(li)下排出真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)设(she)(she)备(bei)(bei)(bei)过程(cheng)中产生的(de)(de)(de)(de)(de)所有(you)(you)气(qi)体(ti)(ti)。  了解(jie)待泵(beng)(beng)(beng)(beng)(beng)送(song)(song)气(qi)体(ti)(ti)的(de)(de)(de)(de)(de)成分(fen),气(qi)体(ti)(ti)是(shi)否含(han)有(you)(you)可(ke)冷凝(ning)蒸汽、颗粒(li)(li)灰尘、腐蚀(shi)性等。选择(ze)(ze)(ze)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)时,必须了解(jie)气(qi)体(ti)(ti)成分(fen),并(bing)为(wei)泵(beng)(beng)(beng)(beng)(beng)送(song)(song)的(de)(de)(de)(de)(de)气(qi)体(ti)(ti)选择(ze)(ze)(ze)相应(ying)(ying)的(de)(de)(de)(de)(de)泵(beng)(beng)(beng)(beng)(beng)。假设(she)(she)气(qi)体(ti)(ti)含(han)有(you)(you)蒸汽、颗粒(li)(li)和腐蚀(shi)...
2020 - 05 - 20
真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)油(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)质量取(qu)决(jue)于粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)和(he)(he)真(zhen)(zhen)空(kong)(kong)度(du)(du)(du)(du)(du)(du),真(zhen)(zhen)空(kong)(kong)度(du)(du)(du)(du)(du)(du)取(qu)决(jue)于不同温(wen)度(du)(du)(du)(du)(du)(du)下(xia)的(de)(de)(de)(de)(de)(de)值。温(wen)度(du)(du)(du)(du)(du)(du)越(yue)(yue)(yue)高(gao),真(zhen)(zhen)空(kong)(kong)度(du)(du)(du)(du)(du)(du)越(yue)(yue)(yue)稳定,油(you)(you)(you)(you)越(yue)(yue)(yue)好。让我(wo)们仔细看(kan)看(kan)以下(xia)内(nei)(nei)容(rong):  一(yi)、真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)油(you)(you)(you)(you)推荐粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)范围:  1.活塞式真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)可(ke)使(shi)(shi)用(yong)(yong)普通发动机机油(you)(you)(you)(you),配(pei)有V100和(he)(he)V150粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)等(deng)级的(de)(de)(de)(de)(de)(de)机油(you)(you)(you)(you)。  2.旋转叶片式真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)使(shi)(shi)用(yong)(yong)V68和(he)(he)V100粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)等(deng)级的(de)(de)(de)(de)(de)(de)油(you)(you)(you)(you)。  3.直联(lian)(高(gao)速)旋转叶片真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)使(shi)(shi)用(yong)(yong)V46和(he)(he)V68粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)等(deng)级的(de)(de)(de)(de)(de)(de)油(you)(you)(you)(you)。  4.滑阀(fa)真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)使(shi)(shi)用(yong)(yong)V68和(he)(he)V100粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)等(deng)级的(de)(de)(de)(de)(de)(de)油(you)(you)(you)(you)。  5.摆线真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)使(shi)(shi)用(yong)(yong)V100和(he)(he)V150粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)等(deng)级的(de)(de)(de)(de)(de)(de)油(you)(you)(you)(you)。  6.罗茨真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)(机械(xie)增压(ya)泵(beng)(beng))齿轮(lun)传动系统的(de)(de)(de)(de)(de)(de)润滑可(ke)选(xuan)(xuan)用(yong)(yong)V32和(he)(he)V46真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)油(you)(you)(you)(you)。  二、粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)选(xuan)(xuan)择(ze)(ze)原则  油(you)(you)(you)(you)液(ye)粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)选(xuan)(xuan)择(ze)(ze)是(shi)影响真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)性(xing)能(neng)的(de)(de)(de)(de)(de)(de)重要(yao)因(yin)素之(zhi)一(yi)。液(ye)体(ti)的(de)(de)(de)(de)(de)(de)粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)是(shi)液(ye)体(ti)流动的(de)(de)(de)(de)(de)(de)阻(zu)力(li),或液(ye)体(ti)的(de)(de)(de)(de)(de)(de)内(nei)(nei)耗。粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)越(yue)(yue)(yue)高(gao),各(ge)种部(bu)件(jian)对(dui)运动速度(du)(du)(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)阻(zu)力(li)越(yue)(yue)(yue)大,温(wen)升越(yue)(yue)(yue)高(gao),功率损耗越(yue)(yue)(yue)大。如(ru)果(guo)粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)太小,泵(beng)(beng)的(de)(de)(de)(de)(de)(de)密封性(xing)能(neng)会(hui)变差,导致气体(ti)泄漏和(he)(he)真(zhen)(zhen)空(kong)(kong)恶化。因(yin)此,各(ge)种真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)对(dui)油(you)(you)(you)(you)粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)选(xuan)(xuan)择(ze)(ze)极为重要(yao),油(you)(you)(you)(you)粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)选(xuan)(xuan)择(ze)(ze)的(de)(de)(de)(de)(de)(de)原则如(ru)下(xia):  1.泵(beng)(beng)速越(yue)(yue)(yue)高(gao),所(suo)选(xuan)(xuan)机油(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)越(yue)(yue)(yue)低。  2.泵(beng)(beng)转子的(de)(de)(de)(de)(de)(de)线速度(du)(du)(du)(du)(du)(du)越(yue)(yue)(yue)高(gao),所(suo)选(xuan)(xuan)油(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)越(yue)(yue)(yue)低。  3.泵(beng)(beng)零(ling)件(jian)的(de)(de)(de)(de)(de)(de)加工(gong)精度(du)(du)(du)(du)(du)(du)越(yue)(yue)(yue)精确或摩擦零(ling)件(jian)之(zhi)间的(de)(de)(de)(de)(de)(de)间隙(xi)越(yue)(yue)(yue)小,所(suo)选(xuan)(xuan)油(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)越(yue)(yue)(yue)低。  4.当真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)在高(gao)温(wen)下(xia)使(shi)(shi)用(yong)(yong)时,应选(xuan)(xuan)择(ze)(ze)粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)较大的(de)(de)(de)(de)(de)(de)油(you)(you)(you)(you)。  5.对(dui)于具有冷(leng)却水循(xun)环的(de)(de)(de)(de)(de)(de)真(zhen)(zhen)空(kong)(kong)泵(beng)(beng),粘(zhan)(zhan)(zhan)度(du)(du)(du)(du)(du)(du)较低的(de)(de)(de)(de)(de)(de)油(you)(you)(you)(you)通常(chang)是(shi)合(he)适(shi)的(de)(de)(de)(de)(de)(de)。  6、其(qi)他类型的(de)(de)(de)(de)(de)(de)真(zhen)(zhen)空(kong)(kong)泵(beng)(beng),根据其(qi)速度(du)(du)(du)(du)(du)(du)、加工(gong)精度(du)(du)(du)(du)(du)(du)、极限真(zhen)(zhen)空(kong)(kong)等(deng)。可(ke)以选(xuan)(xuan)择(ze)(ze)相应的(de)(de)(de)(de)(de)(de)油(you)(you)(you)(you)。  真(zhen)(zhen)空(kong)(kong)泵(beng)(beng)油(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)乳(ru)...
2020 - 05 - 27
一、干(gan)(gan)式(shi)旋片(pian)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)特点:  1.由于干(gan)(gan)式(shi)泵(beng)(beng)(beng)不产生(sheng)油(you)气(qi),生(sheng)产车(che)(che)间(jian)(jian)和(he)(he)加(jia)工品(pin)的(de)(de)(de)(de)(de)(de)环(huan)境(jing)不受(shou)(shou)污(wu)染(ran),是净(jing)化车(che)(che)间(jian)(jian)等行业最理想的(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)设备。  2.与(yu)水(shui)环(huan)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)相(xiang)比(bi),水(shui)环(huan)泵(beng)(beng)(beng)受(shou)(shou)地理和(he)(he)资(zi)源(yuan)的(de)(de)(de)(de)(de)(de)限(xian)制,造成水(shui)资(zi)源(yuan)的(de)(de)(de)(de)(de)(de)严重浪费(fei)。同时,在(zai)工作时,生(sheng)产车(che)(che)间(jian)(jian)的(de)(de)(de)(de)(de)(de)湿(shi)度会急(ji)剧上(shang)升(sheng),容易导致(zhi)物(wu)品(pin)受(shou)(shou)潮变质。然(ran)而,干(gan)(gan)式(shi)泵(beng)(beng)(beng)没有这些问题。  3.干(gan)(gan)式(shi)泵(beng)(beng)(beng)不需要添加(jia)油(you)和(he)(he)水(shui),因此与(yu)其(qi)他真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)相(xiang)比(bi),定期(qi)维护工作量可以(yi)大大减少。  4.干(gan)(gan)式(shi)泵(beng)(beng)(beng)采(cai)用多叶片(pian)高(gao)速运转,避(bi)免了其(qi)他真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)吸(xi)(xi)排气(qi)的(de)(de)(de)(de)(de)(de)脉冲波(bo)动,吸(xi)(xi)排气(qi)非常稳定。  二、干(gan)(gan)式(shi)旋片(pian)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)使用范围:  与(yu)一般真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)相(xiang)比(bi),干(gan)(gan)式(shi)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)使用范围更加(jia)广(guang)泛(fan)。具(ju)(ju)体可应(ying)用于:  制药(yao)(yao)机(ji)(ji)械(xie)(xie)上(shang)的(de)(de)(de)(de)(de)(de)胶囊(nang)充填、胶囊(nang)印字、药(yao)(yao)品(pin)混合、输送、真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)干(gan)(gan)燥及药(yao)(yao)品(pin)包装(zhuang)机(ji)(ji);  自动包装(zhuang)线上(shang)的(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)吸(xi)(xi)拉、开袋、装(zhuang)料(liao);  印刷机(ji)(ji)械(xie)(xie)上(shang)低能(neng)耗(hao)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)吸(xi)(xi)送;  各种(zhong)液体注入瓶(ping)内(nei)的(de)(de)(de)(de)(de)(de)高(gao)效率真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)灌装(zhuang);  各种(zhong)兼制品(pin)的(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)吸(xi)(xi)塑成型;物(wu)体表面在(zai)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)状(zhuang)(zhuang)态下(xia)的(de)(de)(de)(de)(de)(de)气(qi)密性试(shi)验(yan)(yan);  纸(zhi)箱及瓶(ping)类物(wu)品(pin)的(de)(de)(de)(de)(de)(de)标签真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)吸(xi)(xi)送、粘贴;  玻璃等薄(bo)板零件的(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)吸(xi)(xi)运;  真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)吸(xi)(xi)引(yin)固定下(xia)的(de)(de)(de)(de)(de)(de)照相(xiang)制版,真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)状(zhuang)(zhuang)态下(xia)利用压力(li)差引(yin)导气(qi)体分析(xi);  各种(zhong)机(ji)(ji)械(xie)(xie)自动线上(shang)的(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)吸(xi)(xi)夹具(ju)(ju);  各种(zhong)容器在(zai)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)状(zhuang)(zhuang)态下(xia)的(de)(de)(de)(de)(de)(de)渗漏试(shi)验(yan)(yan);  食(shi)品(pin)加(jia)工机(ji)(ji)械(xie)(xie)上(shang)的(de)(de)(de)(de)(de)(de)应(ying)用;  各种(zhong)离心机(ji)(ji)械(xie)(xie)在(zai)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)状(zhuang)(zhuang)态下(xia)高(gao)速运转的(de)(de)(de)(de)(de)(de)平衡试(shi)验(yan)(yan);  医院手(shou)术室的(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)吸(xi)(xi)引(yin),牛奶(nai)场的(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)吸(xi)(xi)奶(nai);  以(yi)及各种(zhong)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)包装(zhuang)机(ji)(ji)械(xie)(xie)的(de)(de)(de)(de)(de)(de)配(pei)套使用等等。
2020 - 06 - 03
螺(luo)杆真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)和爪(zhua)式(shi)(shi)真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)都(dou)是(shi)(shi)(shi)干(gan)式(shi)(shi)真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)。然而(er),由(you)于(yu)它们的(de)(de)(de)(de)(de)工(gong)(gong)(gong)作(zuo)原(yuan)理不(bu)同(tong)(tong)(tong)(tong),它们具有(you)不(bu)同(tong)(tong)(tong)(tong)的(de)(de)(de)(de)(de)结构。为(wei)了获得尽可(ke)能低的(de)(de)(de)(de)(de)压(ya)力(li),两个泵(beng)(beng)(beng)(beng)(beng)(beng)分(fen)为(wei)4级(ji)。然而(er),爪(zhua)泵(beng)(beng)(beng)(beng)(beng)(beng)通(tong)(tong)过(guo)隔板彼此分(fen)开,而(er)螺(luo)杆真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)通(tong)(tong)过(guo)螺(luo)杆的(de)(de)(de)(de)(de)交(jiao)叉彼此分(fen)开。因此,这两个阶(jie)段有(you)很(hen)(hen)大的(de)(de)(de)(de)(de)不(bu)同(tong)(tong)(tong)(tong)。  第(di)一(yi),不(bu)同(tong)(tong)(tong)(tong)技术的(de)(de)(de)(de)(de)使(shi)用(yong)  1.螺(luo)杆真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)具有(you)最短的(de)(de)(de)(de)(de)气(qi)体(ti)(ti)(ti)通(tong)(tong)道和相同(tong)(tong)(tong)(tong)的(de)(de)(de)(de)(de)级(ji)间(jian)(jian)气(qi)体(ti)(ti)(ti)转(zhuan)移位置,有(you)利于(yu)泵(beng)(beng)(beng)(beng)(beng)(beng)外(wai)气(qi)体(ti)(ti)(ti)的(de)(de)(de)(de)(de)快速排(pai)出和固体(ti)(ti)(ti)颗粒(li)物质的(de)(de)(de)(de)(de)排(pai)出。  由(you)于(yu)级(ji)隔板的(de)(de)(de)(de)(de)存在(zai),爪(zhua)式(shi)(shi)泵(beng)(beng)(beng)(beng)(beng)(beng)具有(you)长而(er)弯曲的(de)(de)(de)(de)(de)气(qi)体(ti)(ti)(ti)通(tong)(tong)道,并(bing)且气(qi)体(ti)(ti)(ti)容(rong)易冷凝并(bing)堵塞通(tong)(tong)道。  2.螺(luo)杆真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)泵(beng)(beng)(beng)(beng)(beng)(beng)体(ti)(ti)(ti)与转(zhuan)子(zi)(zi)(zi)(zi)为(wei)一(yi)体(ti)(ti)(ti),易于(yu)进行(xing)防(fang)腐处理。  爪(zhua)式(shi)(shi)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)级(ji)隔板很(hen)(hen)难(nan)(nan)进行(xing)表(biao)面处理,装配(pei)时转(zhuan)子(zi)(zi)(zi)(zi)表(biao)面的(de)(de)(de)(de)(de)防(fang)腐层容(rong)易损坏(huai)。  第(di)二(er),运行(xing)可(ke)靠性的(de)(de)(de)(de)(de)差(cha)异(yi)  1.由(you)于(yu)存在(zai)级(ji)隔板,爪(zhua)式(shi)(shi)真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)不(bu)能与泵(beng)(beng)(beng)(beng)(beng)(beng)轴(zhou)集成在(zai)一(yi)起。运行(xing)后(hou),转(zhuan)子(zi)(zi)(zi)(zi)安装在(zai)轴(zhou)上。为(wei)了便于(yu)安装和拆卸,配(pei)合不(bu)能太紧,所以操作(zuo)后(hou)滚动(dong)键和转(zhuan)子(zi)(zi)(zi)(zi)很(hen)(hen)容(rong)易松开。  螺(luo)杆真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)轴(zhou)与转(zhuan)子(zi)(zi)(zi)(zi)整体(ti)(ti)(ti)铸造后(hou)加工(gong)(gong)(gong)成型,使(shi)螺(luo)杆真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)完全一(yi)体(ti)(ti)(ti)化,不(bu)存在(zai)装配(pei)问题。  2.爪(zhua)式(shi)(shi)真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)有(you)许多(duo)间(jian)(jian)隙(xi)(xi),每个间(jian)(jian)隙(xi)(xi)都(dou)是(shi)(shi)(shi)独立的(de)(de)(de)(de)(de)。只(zhi)要任何一(yi)个间(jian)(jian)隙(xi)(xi)有(you)问题,泵(beng)(beng)(beng)(beng)(beng)(beng)就不(bu)能正(zheng)常(chang)工(gong)(gong)(gong)作(zuo)。  螺(luo)杆真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)工(gong)(gong)(gong)作(zuo)性能仅由(you)排(pai)气(qi)端与转(zhuan)子(zi)(zi)(zi)(zi),之间(jian)(jian)的(de)(de)(de)(de)(de)间(jian)(jian)隙(xi)(xi)决定,转(zhuan)子(zi)(zi)(zi)(zi)与转(zhuan)子(zi)(zi)(zi)(zi)之间(jian)(jian)的(de)(de)(de)(de)(de)间(jian)(jian)隙(xi)(xi)是(shi)(shi)(shi)相互关联的(de)(de)(de)(de)(de),因此运行(xing)可(ke)靠性极高。  第(di)三,可(ke)维护性的(de)(de)(de)(de)(de)差(cha)异(yi)  1.拆卸  爪(zhua)式(shi)(shi)泵(beng)(beng)(beng)(beng)(beng)(beng)拆卸困难(nan)(nan):由(you)于(yu)多(duo)级(ji)结构,所有(you)拆卸都(dou)需要多(duo)级(ji)拆卸,而(er)转(zhuan)子(zi)(zi)(zi)(zi)拆卸是(shi)(shi)(shi)真(zhen)(zhen)正(zheng)的(de)(de)(de)(de)(de)困难(nan)(nan)。同(tong)(tong)(tong)(tong)时,每次拆卸时,精(jing)度会有(you)不(bu)同(tong)(tong)(tong)(tong)程度的(de)(de)(de)(de)(de)降低。即使(shi)是(shi)(shi)(shi)简单的(de)(de)(de)(de)(de)清洁也必...
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水环真(zhen)空泵(beng)有哪些型号呢?

日(ri)期: 2021-06-02
来源:
浏览次数: 3

  水(shui)环真(zhen)空(kong)(kong)(kong)泵是一种(zhong)坚固耐用的真(zhen)空(kong)(kong)(kong)泵,最终真(zhen)空(kong)(kong)(kong)度可达(da)2000-4000Pa,带(dai)真(zhen)空(kong)(kong)(kong)泵机(ji)组真(zhen)空(kong)(kong)(kong)度可达(da)1-600Pa。泵水(shui)环压(ya)(ya)缩机(ji)也可用作压(ya)(ya)缩机(ji),称为(wei)水(shui)环压(ya)(ya)缩机(ji),是一种(zhong)压(ya)(ya)力循(xun)环范围为(wei)1-2x105 Pa的低压(ya)(ya)压(ya)(ya)缩机(ji)。那么有哪些型(xing)号呢(ni)?

水环真空泵有哪些型号呢?

  1.水环(huan)真空泵采(cai)用(yong)机械(xie)泵同轴直联设计,节省空间,安(an)装方便;标(biao)准配置采(cai)用(yong)机械(xie)密(mi)封,杜(du)绝泄(xie)漏,维护方便;运行平稳,噪音可低至62分贝;耐腐蚀统一设计青铜叶(ye)轮(lun)提(ti)高(gao)了泵的耐腐蚀性能,不(bu)锈钢材质更适合要求更高(gao)的应用(yong);独特的柔性排料口设计不(bu)会(hui)过度压(ya)缩,确(que)保2BV 泵在其性能范围(wei)内达(da)到最高(gao)效率(lv)。

  2、水(shui)环(huan)真空泵和(he)压(ya)(ya)缩机一般(ban)用(yong)于抽吸(xi)不含固体颗粒、不溶于水(shui)、无腐蚀(shi)性(xing)(xing)的(de)气(qi)体,在(zai)密闭(bi)容器内形成真空和(he)压(ya)(ya)力。通过改变所(suo)得材(cai)料,可用(yong)于吸(xi)入腐蚀(shi)性(xing)(xing)气(qi)体或使用(yong)腐蚀(shi)性(xing)(xing)液体作为工作流体。 水(shui)环(huan)真空泵广泛应用(yong)于造纸、化工、石化、轻工、制(zhi)药、食品、冶(ye)金、建材(cai)、炻器、洗煤、选矿(kuang)、化肥等行业。

  3、压(ya)缩机和水环真空泵广泛应用于(yu)机械、石化、制药(yao)、食(shi)品、制糖、电子等行业。由于(yu)气(qi)体(ti)压(ya)缩过程在(zai)工作过程中是等温的,在(zai)压(ya)缩和抽吸(xi)爆炸性(xing)气(qi)体(ti)时(shi)不易(yi)发生危险,因此(ci)被广泛使用。

  4.直(zhi)联(lian)水(shui)环(huan)真(zhen)(zhen)空(kong)泵(beng)(beng)广泛应用(yong)于电子(zi)器件(jian)制造(zao)、真(zhen)(zhen)空(kong)干(gan)燥(zao)、真(zhen)(zhen)空(kong)蒸发、真(zhen)(zhen)空(kong)浓缩、真(zhen)(zhen)空(kong)回春、真(zhen)(zhen)空(kong)浸渍、过滤(lv)、浸渍、涂蜡(la)、焊接(jie)、铸造(zao)、化工、轻(qing)工、石油(you)、医药、印染、半导体(ti)、食(shi)品(pin)、原子(zi)能(neng)、纺(fang)织等科研机构(gou)、高校和工矿企业。 型直(zhi)联(lian)式水(shui)环(huan)真(zhen)(zhen)空(kong)泵(beng)(beng)不(bu)能(neng)用(yong)于抽(chou)吸过量氧气(qi)(qi)、有毒(du)、爆(bao)炸性气(qi)(qi)体(ti),或使用(yong)泵(beng)(beng)油(you)产生化学作用(yong),也不(bu)能(neng)用(yong)作压缩机或输送泵(beng)(beng)。

  5、水环真(zhen)(zhen)空泵广泛应用(yong)于(yu)食品、纺织、化工(gong)、医药、冶金、电(dian)子等行(xing)业(ye)的真(zhen)(zhen)空蒸发、真(zhen)(zhen)空浓缩、真(zhen)(zhen)空回春(chun)、真(zhen)(zhen)空浸(jin)渍、真(zhen)(zhen)空干燥、真(zhen)(zhen)空浇注等。 2系(xi)列用(yong)于(yu)吸入(ru)(ru)压力小于(yu)-0.08 MPa的工(gong)况,2-P1系(xi)列用(yong)于(yu)吸入(ru)(ru)压力小于(yu)-0.096 MPa的工(gong)况。

  6、水(shui)环(huan)真(zhen)(zhen)空(kong)泵和压(ya)缩(suo)(suo)(suo)机(ji)用(yong)于(yu)(yu)抽(chou)吸(xi)或(huo)压(ya)缩(suo)(suo)(suo)空(kong)气和其他不溶于(yu)(yu)水(shui)、不含(han)固(gu)体(ti)(ti)颗粒(li)的(de)(de)(de)非腐蚀性气体(ti)(ti),从(cong)而在(zai)密封系(xi)统中形成(cheng)一定(ding)的(de)(de)(de)真(zhen)(zhen)空(kong)度。它们常用(yong)于(yu)(yu)真(zhen)(zhen)空(kong)蒸(zheng)发(fa)、真(zhen)(zhen)空(kong)浓缩(suo)(suo)(suo)、真(zhen)(zhen)空(kong)干燥、真(zhen)(zhen)空(kong)过(guo)滤和真(zhen)(zhen)空(kong)加料。但是(shi),吸(xi)入的(de)(de)(de)气体(ti)(ti)可以与少量液体(ti)(ti)混合。广泛(fan)应(ying)用(yong)于(yu)(yu)机(ji)械(xie)、石(shi)油(you)化工、医药、食品、制糖、电子等领域。由于(yu)(yu)气体(ti)(ti)压(ya)缩(suo)(suo)(suo)在(zai)工作过(guo)程中是(shi)等温的(de)(de)(de),在(zai)压(ya)缩(suo)(suo)(suo)和抽(chou)吸(xi)易燃易爆气体(ti)(ti)时(shi)不易造成(cheng)危险,因此水(shui)环(huan)真(zhen)(zhen)空(kong)泵得到了广泛(fan)的(de)(de)(de)应(ying)用(yong)。

  7、B水(shui)环真空(kong)泵(beng)为悬臂式水(shui)环真空(kong)泵(beng),可用于(yu)抽吸空(kong)气或其他(ta)无腐蚀性、不(bu)溶于(yu)水(shui)、不(bu)含(han)固体的气体。广泛(fan)应用于(yu)机(ji)械、石油、化工、医(yi)药(yao)、食品等行业等领域。特别适用于(yu)大型(xing)水(shui)泵(beng)的导流(liu)。


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PCB板罗茨(ci)水环真空(kong)(kong)机组应用(yong)(yong)特(te)点1、康斯顿罗茨(ci)真空(kong)(kong)泵(beng)特(te)点是启动快,耗功少,运(yun)转维(wei)护(hu)费用(yong)(yong)低(di),2、罗茨(ci)真空(kong)(kong)泵(beng)抽速大、效率高,在(zai)100~1帕压力(li)范(fan)围内有(you)较大抽气速率,能迅速排(pai)除(chu)突然放出的气体(ti);3、罗茨(ci)真空(kong)(kong)泵(beng)对被抽气体(ti)中所含的少量(liang)水蒸汽和灰尘不敏感,4、司倍克水环真空(kong)(kong)泵(beng)叶轮偏心安装,与泵(beng)腔(qiang)无(wu)接触无(wu)磨损;5、以(yi)(yi)水做密封,可以(yi)(yi)循环利(li)用(yong)(yong)成本(ben)低(di),对环境无(wu)污染;6、维(wei)修周期长(zhang)5年以(yi)(yi)上,无(wu)需(xu)专人维(wei)护(hu),几乎无(wu)易损件(jian);
发布时间: 2021 - 06 - 12
真(zhen)(zhen)空(kong)引水机组工作原理:(1)真(zhen)(zhen)空(kong)引水装置启(qi)动(dong)前关闭(bi)水泵(beng)(beng)(beng)出(chu)口电动(dong)阀(fa),给气(qi)水分离(li)器内供清(qing)水,打开(kai)分离(li)器与(yu)真(zhen)(zhen)空(kong)系(xi)泵(beng)(beng)(beng)之间供水阀(fa)门(men),选择真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)并(bing)启(qi)动(dong);(2)启(qi)动(dong)泵(beng)(beng)(beng)及吸(xi)入管(guan)路(lu)内的(de)(de)气(qi)体经过(guo)阀(fa)门(men)、管(guan)路(lu)及真(zhen)(zhen)空(kong)泵(beng)(beng)(beng)排(pai)至大气(qi);(3)当(dang)系(xi)统检测到水泵(beng)(beng)(beng)壳内形成真(zhen)(zhen)空(kong),充满水时,则停真(zhen)(zhen)空(kong)泵(beng)(beng)(beng),给出(chu)启(qi)动(dong)水泵(beng)(beng)(beng)信号;真(zhen)(zhen)空(kong)引水装置应(ying)(ying)用:真(zhen)(zhen)空(kong)引水装置是对(dui)离(li)心(xin)水泵(beng)(beng)(beng)、供水管(guan)、排(pai)水管(guan)等抽(chou)真(zhen)(zhen)空(kong),使水自(zi)(zi)动(dong)提升、灌(guan)满整个管(guan)道系(xi)统的(de)(de)设备;应(ying)(ying)用于水厂(chang)、加(jia)压泵(beng)(beng)(beng)站、排(pai)污排(pai)涝虹吸(xi)泵(beng)(beng)(beng)房、江河湖海旁的(de)(de)取(qu)水泵(beng)(beng)(beng)房、厂(chang)矿企业的(de)(de)内部供水、不能(neng)自(zi)(zi)吸(xi)的(de)(de)离(li)心(xin)泵(beng)(beng)(beng)站等
发布时间: 2021 - 06 - 10
螺杆(gan)三罗(luo)茨(ci)真(zhen)(zhen)空机组_罗(luo)茨(ci)螺杆(gan)真(zhen)(zhen)空系统设计的(de)(de)工(gong)作原理(li):打开冷(leng)(leng)却水、冷(leng)(leng)冻(dong)液供应(ying)阀门,确(que)保(bao)冷(leng)(leng)凝器(qi)(qi)和回收(shou)(shou)器(qi)(qi)工(gong)作条件具备后(hou),先启(qi)动(dong)螺杆(gan)真(zhen)(zhen)空泵,在系统内建立真(zhen)(zhen)空;打开被(bei)(bei)抽反(fan)应(ying)釜(fu)阀门,被(bei)(bei)抽气体(ti)经(jing)反(fan)应(ying)釜(fu)本(ben)身自动(dong)的(de)(de)冷(leng)(leng)凝器(qi)(qi)和回收(shou)(shou)分离后(hou),到达真(zhen)(zhen)空系统的(de)(de)前(qian)置综合处理(li)器(qi)(qi),再进行充分冷(leng)(leng)凝、捕集(ji)、分离、压缩(suo)后(hou),被(bei)(bei)螺杆(gan)真(zhen)(zhen)空泵抽出;被(bei)(bei)抽气体(ti)排(pai)出螺杆(gan)真(zhen)(zhen)空泵后(hou),再经(jing)过排(pai)气冷(leng)(leng)凝、分离、回收(shou)(shou)后(hou)进一步降低排(pai)放(fang)气体(ti)中的(de)(de)可凝气体(ti)含量,环保(bao)节能的(de)(de)真(zhen)(zhen)空机组解(jie)决(jue)方案(an)。主要配置:罗(luo)茨(ci)真(zhen)(zhen)空泵、螺杆(gan)真(zhen)(zhen)空泵、冷(leng)(leng)凝器(qi)(qi)、热交换(huan)器(qi)(qi)
发布时间: 2021 - 04 - 22
DP型无(wu)(wu)油(you)等螺(luo)(luo)(luo)(luo)距螺(luo)(luo)(luo)(luo)杆(gan)(gan)真空泵(beng)产品概(gai)况干式螺(luo)(luo)(luo)(luo)杆(gan)(gan)真空泵(beng),是利用(yong)一对旋向相反的(de)(de)螺(luo)(luo)(luo)(luo)杆(gan)(gan)转(zhuan)子,在泵(beng)壳中作同(tong)步高速啮合旋转(zhuan)运动(dong),产生吸气(qi)和(he)排(pai)气(qi)作用(yong)的(de)(de)抽气(qi)设(she)备。采(cai)用(yong)免维(wei)护(hu)设(she)计技术解决了真空泵(beng)维(wei)护(hu)麻烦和(he)费(fei)用(yong)高的(de)(de)问题(ti)。真空泵(beng)工作腔(qiang)内无(wu)(wu)需(xu)润(run)滑(hua)油(you)和(he)密(mi)封液(ye),可(ke)(ke)回收各类可(ke)(ke)凝性(xing)气(qi)体(ti),解决了蒸汽喷(pen)射泵(beng)、滑(hua)阀泵(beng)、旋片泵(beng)、液(ye)环(huan)泵(beng)等可(ke)(ke)能对系统介质造(zao)成(cheng)的(de)(de)污染和(he)对环(huan)境造(zao)成(cheng)的(de)(de)污染问题(ti),同(tong)时回收物还(hai)能创造(zao)附加经济效益(yi)。主要特点•抽速范围(wei)广,可(ke)(ke)直排(pai)大气(qi),单(dan)泵(beng)使用(yong)即可(ke)(ke)达到多级串联的(de)(de)效果。单(dan)级设(she)计可(ke)(ke)以获得5PA的(de)(de)真空度(du)。•可(ke)(ke)采(cai)用(yong)氮气(qi)吹扫,清洗维(wei)护(hu)操(cao)作简(jian)单(dan),维(wei)修(xiu)方便(bian)。•螺(luo)(luo)(luo)(luo)杆(gan)(gan)材质为整(zheng)体(ti)式球墨(mo)铸铁强度(du)高、性(xing)能稳定。•螺(luo)(luo)(luo)(luo)杆(gan)(gan)间相互不(bu)接触无(wu)(wu)摩擦,不(bu)需(xu)要润(run)滑(hua)油(you)脂,无(wu)(wu)油(you)污反流,无(wu)(wu)废气(qi)废液(ye)排(pai)放,清洁环(huan)保能耗低。•泵(beng)腔(qiang)内部及零件可(ke)(ke)根(gen)据需(xu)要进行表面(mian)防腐处理,适用(yong)于化工制药行业的(de)(de)特殊要求。•螺(luo)(luo)(luo)(luo)杆(gan)(gan)经过精(jing)细动(dong)平衡校正,运转(zhuan)平稳,噪声低、振动(dong)小,使用(yong)寿(shou)命长。
发布时间: 2021 - 03 - 24
DP型无(wu)(wu)(wu)油变螺(luo)(luo)距螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)空泵产品概况VDP型无(wu)(wu)(wu)油干(gan)式(shi)变螺(luo)(luo)距螺(luo)(luo)杆(gan)(gan)真(zhen)(zhen)空泵具有两(liang)个反向(xiang)旋(xuan)转(zhuan)(zhuan)变螺(luo)(luo)距螺(luo)(luo)杆(gan)(gan)转(zhuan)(zhuan)子。其在泵壳中作同步高速(su)啮合运(yun)动,完成进(jin)排(pai)气(qi)(qi)工作循环(huan)。变螺(luo)(luo)距螺(luo)(luo)杆(gan)(gan)相比普(pu)通螺(luo)(luo)杆(gan)(gan)具有更(geng)(geng)佳的(de)(de)压缩和抽(chou)速(su)效率(lv),排(pai)气(qi)(qi)温度更(geng)(geng)低(di)、噪声更(geng)(geng)小(xiao)(xiao)、能耗更(geng)(geng)少。其泵腔无(wu)(wu)(wu)油运(yun)转(zhuan)(zhuan)清(qing)洁(jie)环(huan)保,是油封式(shi)、喷射式(shi)、液(ye)环(huan)式(shi)真(zhen)(zhen)空泵的(de)(de)最佳换代产品。变螺(luo)(luo)杆(gan)(gan)转(zhuan)(zhuan)子可(ke)实(shi)现客(ke)户定(ding)制化(hua)设(she)计与(yu)制造,最佳满足客(ke)户需(xu)求(qiu)。主要(yao)特点•与(yu)等螺(luo)(luo)距螺(luo)(luo)杆(gan)(gan)泵相比,抽(chou)气(qi)(qi)效率(lv)更(geng)(geng)高,能耗更(geng)(geng)低(di)。•抽(chou)速(su)范围(wei)广,可(ke)直排(pai)大(da)气(qi)(qi),单(dan)(dan)泵使(shi)用(yong)(yong)即可(ke)达到多级串(chuan)联的(de)(de)效果(guo)。单(dan)(dan)级设(she)计可(ke)以(yi)获(huo)得5PA的(de)(de)真(zhen)(zhen)空度。•可(ke)采(cai)用(yong)(yong)氦气(qi)(qi)吹扫,清(qing)洗维(wei)护操作简(jian)单(dan)(dan),维(wei)修方便。•螺(luo)(luo)杆(gan)(gan)材(cai)质为整体式(shi)球墨(mo)铸(zhu)铁强度高、性能稳定(ding)。•螺(luo)(luo)杆(gan)(gan)间相互不接(jie)触无(wu)(wu)(wu)摩(mo)擦,不需(xu)要(yao)润滑油脂(zhi),无(wu)(wu)(wu)油污反流,无(wu)(wu)(wu)废气(qi)(qi)废液(ye)排(pai)放,清(qing)洁(jie)环(huan)保能耗低(di)。•泵腔内(nei)部(bu)及(ji)零(ling)件可(ke)根据需(xu)要(yao)进(jin)行表(biao)面防腐处(chu)理,适(shi)用(yong)(yong)于化(hua)工制药行业的(de)(de)特殊要(yao)求(qiu)。•螺(luo)(luo)杆(gan)(gan)经过精细(xi)动平衡(heng)校正(zheng),运(yun)转(zhuan)(zhuan)平稳,噪声低(di)、振(zhen)动小(xiao)(xiao),使(shi)用(yong)(yong)寿命长。
医院(yuan)中央真(zhen)(zhen)空(kong)系(xi)(xi)统(tong)(tong)得(de)益(yi)于我们(men)十多年的真(zhen)(zhen)空(kong)泵制(zhi)作(zuo)(zuo)(zuo)经验,设计出DZS系(xi)(xi)列(lie)中央真(zhen)(zhen)空(kong)系(xi)(xi)统(tong)(tong)。按照EN ISO 7396-1标准进行制(zhi)造,这些系(xi)(xi)统(tong)(tong)符(fu)合医疗组(zu)(zu)织要(yao)求,例如医院(yuan)、诊所、家庭护理,分析(xi)实验室(shi)等等。DZS系(xi)(xi)列(lie)泵组(zu)(zu)主要(yao)由3泵系(xi)(xi)统(tong)(tong)构成(cheng),以保证在突发情况下仍(reng)能连续工作(zuo)(zuo)(zuo);真(zhen)(zhen)空(kong)罐上配备(bei)有真(zhen)(zhen)空(kong)开关控制(zhi)面板,使用触摸(mo)屏系(xi)(xi)统(tong)(tong),可对整个泵组(zu)(zu)的动作(zuo)(zuo)(zuo)进行检查和编排。根(gen)据EN ISO 7396-1标准,配备(bei)抗菌过滤(lv)器(qi);DZS爪(zhua)泵可以作(zuo)(zuo)(zuo)为(wei)成(cheng)套系(xi)(xi)统(tong)(tong)提供,或者(zhe)作(zuo)(zuo)(zuo)为(wei)独立元(yuan)件整合到已有的真(zhen)(zhen)空(kong)泵组(zu)(zu)上。
发(fa)布时(shi)间: 2021 - 03 - 24
DZS干(gan)式(shi)(shi)爪(zhua)(zhua)(zhua)泵真(zhen)(zhen)空(kong)(kong)机组 医(yi)(yi)疗负压(ya)系统,在医(yi)(yi)疗行业真(zhen)(zhen)空(kong)(kong)应用(yong)(yong)随(sui)着国家(jia)对排放(fang)物的(de)(de)(de)(de)控制和(he)节能(neng)减(jian)排的(de)(de)(de)(de)倡导(dao),爪(zhua)(zhua)(zhua)式(shi)(shi)泵已经渐(jian)渐(jian)取代水环(huan)真(zhen)(zhen)空(kong)(kong)泵在医(yi)(yi)疗负压(ya)系统中的(de)(de)(de)(de)应用(yong)(yong),它(ta)的(de)(de)(de)(de)特点是:1、爪(zhua)(zhua)(zhua)式(shi)(shi)泵应用(yong)(yong)于(yu)医(yi)(yi)疗行业抽(chou)(chou)真(zhen)(zhen)空(kong)(kong)是相当理(li)想的(de)(de)(de)(de)。爪(zhua)(zhua)(zhua)式(shi)(shi)泵的(de)(de)(de)(de)干(gan)式(shi)(shi)运(yun)(yun)行原理(li)意(yi)味(wei)着其不(bu)(bu)会产生任(ren)何污(wu)染性排出物。 避免(mian)(mian)了水环(huan)真(zhen)(zhen)空(kong)(kong)泵中水的(de)(de)(de)(de)二次(ci)污(wu)染问题;2、爪(zhua)(zhua)(zhua)式(shi)(shi)泵由于(yu)具(ju)有(you)无(wu)油增压(ya)腔体,使用(yong)(yong)非常安(an)全。适合抽(chou)(chou)放(fang)麻(ma)醉气体;3、效(xiao)率(lv)高(gao),比(bi)水环(huan)泵效(xiao)率(lv)高(gao)50%以上(shang),装配功率(lv)小;4、爪(zhua)(zhua)(zhua)式(shi)(shi)泵干(gan)式(shi)(shi)运(yun)(yun)行,无(wu)磨损,抽(chou)(chou)气工作效(xiao)率(lv)极高(gao)且几乎免(mian)(mian)维护(hu);5、爪(zhua)(zhua)(zhua)式(shi)(shi)泵获得持续(xu)真(zhen)(zhen)空(kong)(kong)或压(ya)力(li)的(de)(de)(de)(de)工作电流频率(lv)为20-60Hz;6、可实行变频控制,可24H连续(xu)运(yun)(yun)行;避免(mian)(mian)了水环(huan)真(zhen)(zhen)空(kong)(kong)泵连续(xu)运(yun)(yun)行时,水温升高(gao),效(xiao)率(lv)下降的(de)(de)(de)(de)缺陷;7、全进口主(zhu)机标准产品,满(man)足个(ge)(ge)性化配置;深圳恒才将根据每个(ge)(ge)客(ke)户的(de)(de)(de)(de)不(bu)(bu)同(tong)需求进行不(bu)(bu)同(tong)的(de)(de)(de)(de)个(ge)(ge)性化选配,更符合你的(de)(de)(de)(de)贴身要求;8、爪(zhua)(zhua)(zhua)式(shi)(shi)泵使用(yong)(yong)旋爪(zhua)(zhua)(zhua)技(ji)术产生真(zhen)(zhen)空(kong)(kong)和(he)压(ya)力(li)。
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