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1
2020 - 05 - 07
水(shui)(shui)环(huan)(huan)真空泵的(de)(de)(de)(de)工(gong)(gong)作(zuo)(zuo)(zuo)原理(li)经常是操(cao)(cao)作(zuo)(zuo)(zuo)设备(bei)的(de)(de)(de)(de)参考(kao)。整(zheng)个工(gong)(gong)作(zuo)(zuo)(zuo)原理(li)直接(jie)表达了(le)水(shui)(shui)环(huan)(huan)泵是如(ru)何工(gong)(gong)作(zuo)(zuo)(zuo)的(de)(de)(de)(de)以及利用了(le)什(shen)么物理(li)知(zhi)识。同时,我(wo)们可以根(gen)据工(gong)(gong)作(zuo)(zuo)(zuo)原理(li)做一(yi)些(xie)操(cao)(cao)作(zuo)(zuo)(zuo)。完成(cheng)相(xiang)(xiang)应(ying)的(de)(de)(de)(de)工(gong)(gong)作(zuo)(zuo)(zuo)。它是如(ru)何工(gong)(gong)作(zuo)(zuo)(zuo)的(de)(de)(de)(de)?  1.泵体(ti)内(nei)充入(ru)适量(liang)的(de)(de)(de)(de)水(shui)(shui)作(zuo)(zuo)(zuo)为工(gong)(gong)作(zuo)(zuo)(zuo)流体(ti)。当叶(ye)(ye)轮顺时针(zhen)旋转(zhuan)(zhuan)时,水(shui)(shui)被(bei)叶(ye)(ye)轮甩来甩去。由于(yu)(yu)离心力的(de)(de)(de)(de)作(zuo)(zuo)(zuo)用,根(gen)据泵室的(de)(de)(de)(de)形状(zhuang),水(shui)(shui)形成(cheng)厚(hou)度大致相(xiang)(xiang)等(deng)的(de)(de)(de)(de)闭合(he)环(huan)(huan)。水(shui)(shui)环(huan)(huan)上(shang)部的(de)(de)(de)(de)内(nei)表面正(zheng)好(hao)与(yu)(yu)叶(ye)(ye)轮相(xiang)(xiang)切,而水(shui)(shui)环(huan)(huan)下(xia)部的(de)(de)(de)(de)内(nei)表面正(zheng)好(hao)与(yu)(yu)叶(ye)(ye)片(pian)顶端(duan)接(jie)触。事实上(shang),刀(dao)片(pian)在(zai)水(shui)(shui)环(huan)(huan)有一(yi)定的(de)(de)(de)(de)插(cha)入(ru)深度。       如(ru)图(tu):水(shui)(shui)环(huan)(huan)真空泵工(gong)(gong)作(zuo)(zuo)(zuo)原理(li)图(tu)  2.此时,在(zai)叶(ye)(ye)轮和(he)水(shui)(shui)环(huan)(huan),之间(jian)形成(cheng)一(yi)个新月形空间(jian),该(gai)空间(jian)被(bei)叶(ye)(ye)轮分成(cheng)几个叶(ye)(ye)片(pian)数量(liang)相(xiang)(xiang)等(deng)的(de)(de)(de)(de)小(xiao)(xiao)(xiao)腔(qiang)(qiang)。如(ru)果(guo)以叶(ye)(ye)轮的(de)(de)(de)(de)上(shang)部为起点,则在(zai)叶(ye)(ye)轮旋转(zhuan)(zhuan)前,小(xiao)(xiao)(xiao)腔(qiang)(qiang)的(de)(de)(de)(de)体(ti)积以180度由小(xiao)(xiao)(xiao)变大,并(bing)与(yu)(yu)端(duan)面上(shang)的(de)(de)(de)(de)吸(xi)入(ru)口连通。这时,气(qi)体(ti)被(bei)吸(xi)入(ru),在(zai)吸(xi)入(ru)结束时,小(xiao)(xiao)(xiao)腔(qiang)(qiang)与(yu)(yu)吸(xi)入(ru)口隔离。当叶(ye)(ye)轮继续旋转(zhuan)(zhuan)时,小(xiao)(xiao)(xiao)腔(qiang)(qiang)由大变小(xiao)(xiao)(xiao),导(dao)致气(qi)体(ti)被(bei)压缩;当小(xiao)(xiao)(xiao)腔(qiang)(qiang)与(yu)(yu)排(pai)气(qi)口连通时,气(qi)体(ti)从泵中排(pai)出。  如(ru)果(guo)你不(bu)太(tai)了(le)解水(shui)(shui)环(huan)(huan)真空泵的(de)(de)(de)(de)工(gong)(gong)作(zuo)(zuo)(zuo)原理(li),你可以看看上(shang)面的(de)(de)(de)(de)图(tu)片(pian)来帮助你了(le)解它的(de)(de)(de)(de)工(gong)(gong)作(zuo)(zuo)(zuo)原理(li)。在(zai)实际(ji)应(ying)用中,我(wo)们基本上(shang)利用了(le)它的(de)(de)(de)(de)泵浦功能。可用于(yu)(yu)各种场合(he)。
2
2020 - 05 - 13
真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)表(biao)示(shi)(shi)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)下气(qi)(qi)(qi)体的(de)(de)(de)(de)(de)稀(xi)薄程(cheng)度(du)(du)(du),通常用压(ya)(ya)(ya)(ya)(ya)力(li)值(zhi)(zhi)来表(biao)示(shi)(shi)。在(zai)实(shi)际(ji)(ji)应用中,真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)通常有(you)绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)和相(xiang)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)。从真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)计上(shang)读取的(de)(de)(de)(de)(de)值(zhi)(zhi)称为真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)。真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)值(zhi)(zhi)表(biao)示(shi)(shi)系(xi)统(tong)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)的(de)(de)(de)(de)(de)实(shi)际(ji)(ji)值(zhi)(zhi)低于(yu)大(da)气(qi)(qi)(qi)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)。表(biao)中显示(shi)(shi)的(de)(de)(de)(de)(de)值(zhi)(zhi)也称为表(biao)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang),行(xing)业也称为极限相(xiang)对(dui)(dui)(dui)(dui)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang),即(ji)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)=大(da)气(qi)(qi)(qi)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)-绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)。旋片真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)极限绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)约(yue)为10Pa)。  极限相(xiang)对(dui)(dui)(dui)(dui)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)  相(xiang)对(dui)(dui)(dui)(dui)于(yu)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang),在(zai)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)测得(de)的(de)(de)(de)(de)(de)内(nei)(nei)(nei)部(bu)(bu)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)比(bi)(bi)(bi)(bi)“大(da)气(qi)(qi)(qi)压(ya)(ya)(ya)(ya)(ya)力(li)”低得(de)多(duo)。这(zhei)表(biao)明系(xi)统(tong)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)的(de)(de)(de)(de)(de)实(shi)际(ji)(ji)值(zhi)(zhi)比(bi)(bi)(bi)(bi)大(da)气(qi)(qi)(qi)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)的(de)(de)(de)(de)(de)值(zhi)(zhi)低。因(yin)(yin)为容器(qi)内(nei)(nei)(nei)的(de)(de)(de)(de)(de)空(kong)(kong)(kong)(kong)(kong)(kong)气(qi)(qi)(qi)是泵(beng)(beng)(beng)送的(de)(de)(de)(de)(de),所以(yi)容器(qi)内(nei)(nei)(nei)的(de)(de)(de)(de)(de)空(kong)(kong)(kong)(kong)(kong)(kong)气(qi)(qi)(qi)是泵(beng)(beng)(beng)送的(de)(de)(de)(de)(de)。  集装箱内(nei)(nei)(nei)的(de)(de)(de)(de)(de)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)总是低于(yu)集装箱外(wai)的(de)(de)(de)(de)(de)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)。因(yin)(yin)此(ci),当用相(xiang)对(dui)(dui)(dui)(dui)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)或表(biao)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang),表(biao)示(shi)(shi)时,该(gai)值(zhi)(zhi)必须以(yi)负(fu)号开头,表(biao)示(shi)(shi)容器(qi)内(nei)(nei)(nei)的(de)(de)(de)(de)(de)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)低于(yu)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)以(yi)外(wai)的(de)(de)(de)(de)(de)。  绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)  绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)是测量(liang)的(de)(de)(de)(de)(de)内(nei)(nei)(nei)部(bu)(bu)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)比(bi)(bi)(bi)(bi)“理论(lun)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(理论(lun)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)值(zhi)(zhi)为0Pa)”高多(duo)少压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)。它比(bi)(bi)(bi)(bi)较的(de)(de)(de)(de)(de)对(dui)(dui)(dui)(dui)象是理论(lun)状态的(de)(de)(de)(de)(de)绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)值(zhi)(zhi)。由于(yu)工(gong)艺限制,我们不(bu)能在(zai)任何情(qing)况下将(jiang)内(nei)(nei)(nei)部(bu)(bu)压(ya)(ya)(ya)(ya)(ya)强(qiang)(qiang)(qiang)(qiang)(qiang)泵(beng)(beng)(beng)至(zhi)绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)值(zhi)(zhi)0Pa。因(yin)(yin)此(ci),由真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)抽吸的(de)(de)(de)(de)(de)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)值(zhi)(zhi)高于(yu)理论(lun)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)值(zhi)(zhi)。因(yin)(yin)此(ci),当用绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)表(biao)示(shi)(shi)时,其前面没有(you)负(fu)号。  例(li)如,设备的(de)(de)(de)(de)(de)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)标记(ji)为0.098兆(zhao)帕(pa),实(shi)际(ji)(ji)上(shang)是-0.098兆(zhao)帕(pa)。  极端真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)有(you)两种表(biao)达方式:绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)和相(xiang)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)。绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)是指绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)环境。事实(shi)上(shang),地球环境中不(bu)可(ke)能有(you)绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)。因(yin)(yin)此(ci),绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)总是积极的(de)(de)(de)(de)(de)。旋片真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)极限真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)为0.06帕(pa),比(bi)(bi)(bi)(bi)绝(jue)(jue)(jue)(jue)(jue)对(dui)(dui)(dui)(dui)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)的(de)(de)(de)(de)(de)0.06帕(pa)高0.06帕(pa)。事实(shi)上(shang),这(zhei)个真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)相(xiang)对(dui)(dui)(dui)(dui)较高,比(bi)(bi)(bi)(bi)水环真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)3.3千帕(pa)高几(ji)...
3
2020 - 05 - 16
1.真(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)压(ya)力(li)(li)(li)应(ying)满足极限真(zhen)(zhen)(zhen)空(kong)(kong)和(he)真(zhen)(zhen)(zhen)空(kong)(kong)设(she)备工(gong)作(zuo)(zuo)(zuo)压(ya)力(li)(li)(li)的(de)(de)(de)(de)要(yao)求(qiu)(qiu)。例(li)如(ru),真(zhen)(zhen)(zhen)空(kong)(kong)镀(du)膜要(yao)求(qiu)(qiu)真(zhen)(zhen)(zhen)空(kong)(kong)度(du)(du)为(wei)(wei)110-5毫(hao)米(mi)汞(gong)柱,所(suo)(suo)选真(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)真(zhen)(zhen)(zhen)空(kong)(kong)度(du)(du)至少应(ying)为(wei)(wei)510-6毫(hao)米(mi)汞(gong)柱。通常,所(suo)(suo)选泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)真(zhen)(zhen)(zhen)空(kong)(kong)度(du)(du)比真(zhen)(zhen)(zhen)空(kong)(kong)设(she)备的(de)(de)(de)(de)真(zhen)(zhen)(zhen)空(kong)(kong)度(du)(du)高一(yi)半到一(yi)个(ge)(ge)(ge)(ge)数(shu)量级。  2.正确选择(ze)真(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)点。每台泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)都(dou)有一(yi)定的(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)压(ya)力(li)(li)(li)范围(wei),例(li)如(ru)扩散泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)为(wei)(wei)10-3 ~ 10-7兆欧(ou)。在(zai)如(ru)此(ci)宽(kuan)的(de)(de)(de)(de)压(ya)力(li)(li)(li)范围(wei)内(nei)(nei),泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)速(su)随(sui)压(ya)力(li)(li)(li)变化,其(qi)稳定工(gong)作(zuo)(zuo)(zuo)压(ya)力(li)(li)(li)范围(wei)为(wei)(wei)510-4~510-6mmHg。因(yin)此(ci),泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)点应(ying)选择(ze)在(zai)此(ci)范围(wei)内(nei)(nei),不(bu)(bu)允(yun)许在(zai)10-8兆欧(ou)以下(xia)长时间工(gong)作(zuo)(zuo)(zuo)。另一(yi)个(ge)(ge)(ge)(ge)例(li)子是钛升(sheng)华泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)可(ke)以在(zai)10-2mHg下(xia)工(gong)作(zuo)(zuo)(zuo),但是其(qi)工(gong)作(zuo)(zuo)(zuo)压(ya)力(li)(li)(li)应(ying)该小于(yu)110-5mHg。  3.真(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)应(ying)能(neng)(neng)在(zai)其(qi)工(gong)作(zuo)(zuo)(zuo)压(ya)力(li)(li)(li)下(xia)排(pai)出(chu)真(zhen)(zhen)(zhen)空(kong)(kong)设(she)备过程中产生的(de)(de)(de)(de)所(suo)(suo)有气(qi)体(ti)。  4.真(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)正确组(zu)(zu)合。因(yin)为(wei)(wei)真(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)具(ju)有选择(ze)性泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)送(song),有时一(yi)个(ge)(ge)(ge)(ge)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)不(bu)(bu)能(neng)(neng)满足泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)送(song)要(yao)求(qiu)(qiu),需要(yao)组(zu)(zu)合和(he)补充几个(ge)(ge)(ge)(ge)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)来满足泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)送(song)要(yao)求(qiu)(qiu)。例(li)如(ru),钛升(sheng)华泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)对(dui)于(yu)氢气(qi)具(ju)有较高的(de)(de)(de)(de)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)送(song)速(su)度(du)(du),但是不(bu)(bu)能(neng)(neng)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)送(song)氦气(qi),而(er)三极溅(jian)射离子泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(或双极不(bu)(bu)对(dui)称阴极溅(jian)射离子泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng))对(dui)于(yu)氩气(qi)具(ju)有一(yi)定的(de)(de)(de)(de)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)送(song)速(su)度(du)(du),并且两者的(de)(de)(de)(de)结合将导致真(zhen)(zhen)(zhen)空(kong)(kong)装置具(ju)有更好的(de)(de)(de)(de)真(zhen)(zhen)(zhen)空(kong)(kong)度(du)(du)。此(ci)外,一(yi)些(xie)真(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)不(bu)(bu)能(neng)(neng)在(zai)大(da)气(qi)压(ya)下(xia)工(gong)作(zuo)(zuo)(zuo),需要(yao)预真(zhen)(zhen)(zhen)空(kong)(kong);一(yi)些(xie)真(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)出(chu)口压(ya)力(li)(li)(li)低于(yu)大(da)气(qi)压(ya),需要(yao)一(yi)个(ge)(ge)(ge)(ge)前置泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng),所(suo)(suo)以所(suo)(suo)有的(de)(de)(de)(de)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)都(dou)需要(yao)组(zu)(zu)合使用(yong)。  5.真(zhen)(zhen)(zhen)空(kong)(kong)设(she)备对(dui)油污染的(de)(de)(de)(de)要(yao)求(qiu)(qiu)。如(ru)果设(she)备严格(ge)要(yao)求(qiu)(qiu)无油,应(ying)选用(yong)各(ge)种(zhong)非油泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng),如(ru):水环(huan)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)、分子筛吸附泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)、溅(jian)射离子泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)、低温泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)等。如(ru)果要(yao)求(qiu)(qiu)不(bu)(bu)严格(ge),可(ke)以选择(ze)油泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng),...
4
2020 - 05 - 21
干(gan)式(shi)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(无油真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng))具有(you)广(guang)泛(fan)的(de)(de)(de)(de)(de)(de)(de)适用性(xing)和可靠性(xing),是未来工业的(de)(de)(de)(de)(de)(de)(de)发展趋势(shi)。虽然(ran)(ran)目(mu)前还(hai)没(mei)有(you)广(guang)泛(fan)应(ying)用,但(dan)除了(le)(le)价格高的(de)(de)(de)(de)(de)(de)(de)原因(yin)(yin)外,仍然(ran)(ran)有(you)人对(dui)干(gan)式(shi)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)了(le)(le)解(jie)不够,没(mei)有(you)看到它给企业带来的(de)(de)(de)(de)(de)(de)(de)经(jing)济(ji)效(xiao)益。这里的(de)(de)(de)(de)(de)(de)(de)重(zhong)点(dian)(dian)(dian)是如何优化(hua)选(xuan)择(ze)干(gan)式(shi)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)。  对(dui)于不同类(lei)(lei)型(xing)的(de)(de)(de)(de)(de)(de)(de)干(gan)式(shi)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng),通常希望能(neng)够减小它们的(de)(de)(de)(de)(de)(de)(de)物理(li)(li)尺(chi)寸。然(ran)(ran)而(er),这与真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)泵(beng)(beng)(beng)送(song)速(su)(su)(su)(su)率(lv)相(xiang)矛盾,因(yin)(yin)为(wei)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)泵(beng)(beng)(beng)送(song)速(su)(su)(su)(su)率(lv)与真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)体(ti)积成比例(li),并且小的(de)(de)(de)(de)(de)(de)(de)物理(li)(li)尺(chi)寸意味着小的(de)(de)(de)(de)(de)(de)(de)体(ti)积。当然(ran)(ran),还(hai)有(you)另(ling)一(yi)个影(ying)响(xiang)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)抽(chou)(chou)气速(su)(su)(su)(su)率(lv)的(de)(de)(de)(de)(de)(de)(de)重(zhong)要因(yin)(yin)素,即转(zhuan)速(su)(su)(su)(su)。为(wei)了(le)(le)使(shi)小型(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)抽(chou)(chou)速(su)(su)(su)(su)与大型(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)抽(chou)(chou)速(su)(su)(su)(su)相(xiang)匹(pi)配(pei),必须提(ti)高其(qi)转(zhuan)速(su)(su)(su)(su)。改变真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)转(zhuan)速(su)(su)(su)(su)的(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)法(fa)有(you)两种(zhong),一(yi)种(zhong)是改变电源的(de)(de)(de)(de)(de)(de)(de)频(pin)率(lv),即使(shi)用变频(pin)器;第二是改变变速(su)(su)(su)(su)箱的(de)(de)(de)(de)(de)(de)(de)传动比。其(qi)中,使(shi)用变频(pin)器的(de)(de)(de)(de)(de)(de)(de)优点(dian)(dian)(dian)是它可以(yi)提(ti)供闭环控制,但(dan)在(zai)重(zhong)载下容易造成转(zhuan)矩损(sun)(sun)失。改变变速(su)(su)(su)(su)箱的(de)(de)(de)(de)(de)(de)(de)传动比是一(yi)种(zhong)非常经(jing)济(ji)的(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)法(fa),当然(ran)(ran),它只(zhi)能(neng)提(ti)供不可控的(de)(de)(de)(de)(de)(de)(de)单一(yi)速(su)(su)(su)(su)度。  不同的(de)(de)(de)(de)(de)(de)(de)设(she)计有(you)各(ge)自的(de)(de)(de)(de)(de)(de)(de)特点(dian)(dian)(dian)、优点(dian)(dian)(dian)和缺点(dian)(dian)(dian)。长期以(yi)来,使(shi)用成本(ben)(ben)是影(ying)响(xiang)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)选(xuan)择(ze)的(de)(de)(de)(de)(de)(de)(de)一(yi)个重(zhong)要因(yin)(yin)素。然(ran)(ran)而(er),真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)用户也应(ying)该认识(shi)到,真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)运行的(de)(de)(de)(de)(de)(de)(de)稳(wen)定性(xing)应(ying)该得(de)到考虑。因(yin)(yin)为(wei)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)不稳(wen)定可能(neng)导致机器使(shi)用效(xiao)率(lv)的(de)(de)(de)(de)(de)(de)(de)降低(di),影(ying)响(xiang)企业的(de)(de)(de)(de)(de)(de)(de)生产,甚至(zhi)导致设(she)备或产品(pin)报废和机器的(de)(de)(de)(de)(de)(de)(de)其(qi)他部件(jian)损(sun)(sun)坏。由于螺(luo)旋真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)设(she)计为(wei)单级(ji)设(she)计,与圆形分体(ti)式(shi)、爪式(shi)、组合式(shi)等多级(ji)泵(beng)(beng)(beng)相(xiang)比,零件(jian)使(shi)用数量减少了(le)(le)60%。这使(shi)得(de)它在(zai)稳(wen)定性(xing)和未来维护成本(ben)(ben)方(fang)(fang)面具有(you)很(hen)大优势(shi)。  具有(you)上(shang)述设(she)计类(lei)(lei)型(xing)所有(you)优点(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)(de)产品(pin)是最理(li)(li)想(xiang)的(de)(de)(de)(de)(de)(de)(de)选(xuan)择(ze),但(dan)目(mu)前还(hai)...
5
2020 - 05 - 29
目前,各种真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)的(de)(de)(de)(de)(de)(de)发(fa)(fa)展越(yue)来越(yue)受到真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)应用(yong)(yong)的(de)(de)(de)(de)(de)(de)影响。一(yi)般的(de)(de)(de)(de)(de)(de)传(chuan)统真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)系(xi)统已不能满足清洁、无油、耐(nai)腐蚀、可冷(leng)凝的(de)(de)(de)(de)(de)(de)蒸汽(qi)抽取和(he)苛刻工(gong)(gong)况下(xia)(xia)运行(xing)(xing)的(de)(de)(de)(de)(de)(de)需要。因此(ci),近年(nian)来,干(gan)(gan)式真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)发(fa)(fa)展迅速,真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)产(chan)(chan)品(pin)(pin)不断更新。  螺杆(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)是(shi)(shi)20世纪90年(nian)代初出现的(de)(de)(de)(de)(de)(de)一(yi)种理想泵(beng)型。它(ta)具有泵(beng)速范(fan)围(wei)宽(kuan)、结(jie)(jie)构(gou)简单紧凑(cou)、泵(beng)室内无摩擦元(yuan)件、能耗低、无废液(ye)(ye)排(pai)放、运行(xing)(xing)成本低等(deng)一(yi)系(xi)列优(you)点。因此(ci),它(ta)已广泛应用(yong)(yong)于半导体、光伏产(chan)(chan)业、化(hua)(hua)工(gong)(gong)、制药、石化(hua)(hua)、空(kong)(kong)间模拟、低压(ya)风洞等(deng)领域。  溶(rong)(rong)(rong)剂(ji)(ji)(ji)(ji)回收(shou)在(zai)(zai)制药工(gong)(gong)业中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)应用(yong)(yong)  采(cai)用(yong)(yong)溶(rong)(rong)(rong)剂(ji)(ji)(ji)(ji)结(jie)(jie)晶(jing)工(gong)(gong)艺的(de)(de)(de)(de)(de)(de)原料(liao)(liao)药结(jie)(jie)晶(jing)后(hou)应过(guo)滤(lv)、洗涤(di)并真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)干(gan)(gan)燥。原料(liao)(liao)的(de)(de)(de)(de)(de)(de)含(han)水(shui)量(liang)一(yi)般在(zai)(zai)20%左右(you),加(jia)热温(wen)度不能超过(guo)80,干(gan)(gan)燥后(hou)的(de)(de)(de)(de)(de)(de)生药含(han)水(shui)量(liang)应低于0.5%。为(wei)了从材(cai)料(liao)(liao)中(zhong)(zhong)(zhong)(zhong)除去(qu)溶(rong)(rong)(rong)剂(ji)(ji)(ji)(ji),干(gan)(gan)燥罐中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)压(ya)力应该低于干(gan)(gan)燥温(wen)度下(xia)(xia)溶(rong)(rong)(rong)剂(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)饱和(he)蒸汽(qi)压(ya),并且通(tong)常需要在(zai)(zai)0.1-50 Pa的(de)(de)(de)(de)(de)(de)中(zhong)(zhong)(zhong)(zhong)等(deng)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)压(ya)力下(xia)(xia)干(gan)(gan)燥。  湿材(cai)料(liao)(liao)携(xie)带的(de)(de)(de)(de)(de)(de)溶(rong)(rong)(rong)剂(ji)(ji)(ji)(ji)通(tong)常是(shi)(shi)易燃(ran)、易爆、有毒和(he)有害的(de)(de)(de)(de)(de)(de)危险化(hua)(hua)学品(pin)(pin),在(zai)(zai)干(gan)(gan)燥过(guo)程(cheng)中(zhong)(zhong)(zhong)(zhong)由真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)装置抽走(zou)。  传(chuan)统的(de)(de)(de)(de)(de)(de)湿式真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)系(xi)统一(yi)般采(cai)用(yong)(yong)罗茨液(ye)(ye)环(huan)(huan)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)机(ji)组。液(ye)(ye)环(huan)(huan)泵(beng)的(de)(de)(de)(de)(de)(de)密封液(ye)(ye)在(zai)(zai)运行(xing)(xing)中(zhong)(zhong)(zhong)(zhong)会(hui)溶(rong)(rong)(rong)解(jie)或吸收(shou)部分(fen)(fen)有机(ji)溶(rong)(rong)(rong)剂(ji)(ji)(ji)(ji),在(zai)(zai)汽(qi)液(ye)(ye)分(fen)(fen)离(li)罐中(zhong)(zhong)(zhong)(zhong)分(fen)(fen)离(li)成废气(qi)和(he)高浓度有机(ji)废液(ye)(ye)。但是(shi)(shi),这(zhei)两部分(fen)(fen)都(dou)需要处理,这(zhei)不仅不能完全回收(shou)这(zhei)部分(fen)(fen)溶(rong)(rong)(rong)剂(ji)(ji)(ji)(ji),而(er)(er)且增加(jia)了企业的(de)(de)(de)(de)(de)(de)运营成本,给健康(kang)、安全和(he)环(huan)(huan)保带来危害。  然而(er)(er),由罗茨泵(beng)和(he)螺杆(gan)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)泵(beng)组成的(de)(de)(de)(de)(de)(de)干(gan)(gan)燥真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)系(xi)统可以(yi)在(zai)(zai)干(gan)(gan)燥过(guo)程(cheng)中(zhong)(zhong)(zhong)(zhong)在(zai)(zai)排(pai)气(qi)侧冷(leng)凝有机(ji)溶(rong)(rong)(rong)剂(ji)(ji)(ji)(ji)以(yi)实现溶(rong)(rong)(rong)剂(ji)(ji)(ji)(ji)回收(shou)。由于螺杆(gan)泵(beng)的(de)(de)(de)(de)(de)(de)腔体内没有其它(ta)工(gong)(gong)艺介质,因此(ci)...

挤出(chu)成型设备专用真空系统-SPECK BluVac 节(jie)能真空泵系统

作者(zhe):
时间: 2021-05-19
浏览: 23

响应(ying)'节(jie)能(neng)(neng)减(jian)排,低碳经济'政策,降低地(di)球(qiu)环(huan)境资源(yuan)的急速损耗,既要考虑降低工厂能(neng)(neng)耗,还要解决(jue)现(xian)(xian)有挤出成型设备的高(gao)能(neng)(neng)耗、高(gao)水耗等问题,司倍克SPECK结合现(xian)(xian)有真(zhen)空(kong)(kong)系统(tong)问题,突破以往真(zhen)空(kong)(kong)系统(tong)设计,改以小型真(zhen)空(kong)(kong)节(jie)能(neng)(neng)系统(tong)取(qu)代中大型中央真(zhen)空(kong)(kong)系统(tong),SPECK--BluVac系列节(jie)能(neng)(neng)真(zhen)空(kong)(kong)系统(tong)由此(ci)问世,挤出真(zhen)空(kong)(kong)系统(tong)应(ying)用案例。


SPECK--BluVac节(jie)能(neng)真(zhen)空系(xi)统,为(wei)何能(neng)解决节(jie)能(neng)、高(gao)能(neng)耗、高(gao)产能(neng)问题?


  1. 高节能(neng)(neng),从高能(neng)(neng)耗(hao)能(neng)(neng)源(yuan)输(shu)出改以小型单(dan)机分段(duan)控(kong)制,避(bi)免产能(neng)(neng)变化(hua)时所产生的能(neng)(neng)源(yuan)浪(lang)费(fei),降低(di)现行挤(ji)出成(cheng)型设备能(neng)(neng)耗(hao),平均省下高达70% 的能(neng)(neng)耗(hao)。



SPECK BluVac 节能真空泵系统



2.改善设(she)计(ji),搭(da)(da)配(pei)(pei)SPECK专利设(she)计(ji)的(de)真空桶槽与智能控制(zhi)器,在现(xian)(xian)有成型技术上(shang)可直接实现(xian)(xian),在管(guan)路搭(da)(da)配(pei)(pei)微(wei)调,同时兼容挤出(chu)成型设(she)备(bei)真空系统(tong)新旧设(she)备(bei)的(de)应用。


3.操作(zuo)简(jian)单,在智能(neng)控制器上简(jian)单设定(ding)真空(kong)条件(jian)数值(zhi)后,系统自动运行,且在达到(dao)所设定(ding)之操作(zuo)真空(kong)值(zhi)时系统会自行计算负载量(liang),并调整设备输出能(neng)耗。


4.提高(gao)(gao)产(chan)(chan)能(neng),改善质量,SPECK BluVac系列节(jie)(jie)能(neng)真空系统(tong)的(de)应用,既(ji)能(neng)达到节(jie)(jie)能(neng)效果,还能(neng)提高(gao)(gao)设备(bei)产(chan)(chan)能(neng)和(he)产(chan)(chan)品(pin)稳定性,进而提升客户产(chan)(chan)值,将设备(bei)产(chan)(chan)能(neng)最大(da)化,是挤出成(cheng)型设备(bei)专用的(de)真空系统(tong),并(bing)将型材技术应用带(dai)入次世(shi)代之领域。



挤出成型设备专用真空系统





其他(ta)案(an)例 / Other case
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点击次数: 6
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真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)在医(yi)疗(liao)(liao)器械行业应用(yong),医(yi)疗(liao)(liao)消毒(du)柜(ju)(ju)、真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)灭(mie)菌(jun)(jun)柜(ju)(ju)、干燥(zao)柜(ju)(ju)、牙医(yi)设(she)备(bei)、医(yi)院(yuan)中(zhong)央真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)系(xi)统等相(xiang)关(guan)医(yi)疗(liao)(liao)设(she)备(bei)都需要用(yong)到(dao)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)产品,以(yi)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)灭(mie)菌(jun)(jun)柜(ju)(ju)为例(li),讲(jiang)述(shu)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)在真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)灭(mie)菌(jun)(jun)柜(ju)(ju)的(de)工作(zuo)原理(li)及优势。德国司(si)倍克(ke) V/VG系(xi)列水(shui)环真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng),可应用(yong)于小(xiao)型真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)灭(mie)菌(jun)(jun)设(she)备(bei)、台(tai)式(shi)消毒(du)柜(ju)(ju),以(yi)司(si)倍克(ke)水(shui)环真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)V6为案例(li),分(fen)析V6水(shui)环泵(beng)(beng)(beng)优势。真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)在真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)灭(mie)菌(jun)(jun)柜(ju)(ju)的(de)工作(zuo)原理(li):1、抽(chou)出空(kong)(kong)(kong)气:空(kong)(kong)(kong)气阻止热(re)蒸汽直接(jie)接(jie)触被杀菌(jun)(jun)的(de)物体,这就是为什(shen)么(me)必须将...
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点击次数: 25
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