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羅茨真空泵參數:水環真空泵參數:
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了解公(gong)司的最新活動(dong)及打(da)折促(cu)銷(xiao)
2020
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02
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23
在選(xuan)擇(ze)型號之前(qian)(qian),我(wo)們(men)必須弄(nong)清楚真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)一(yi)(yi)些基本概念。真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du):真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)下氣(qi)體的(de)(de)(de)(de)(de)稀(xi)薄程度(du),通常用(yong)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du)來表(biao)示(shi)(shi)。從(cong)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計上(shang)讀(du)取(qu)的(de)(de)(de)(de)(de)值(zhi)(zhi)(zhi)稱為真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du)。真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)值(zhi)(zhi)(zhi)是(shi)指系統(tong)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)實際值(zhi)(zhi)(zhi)低于大(da)氣(qi)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)值(zhi)(zhi)(zhi)。表(biao)上(shang)顯示(shi)(shi)的(de)(de)(de)(de)(de)值(zhi)(zhi)(zhi)也(ye)稱為表(biao)壓(ya)(ya)(ya)(ya),行業也(ye)稱為極限(xian)相對(dui)(dui)(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li),即(ji)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)=大(da)氣(qi)壓(ya)(ya)(ya)(ya)-絕對(dui)(dui)(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)(大(da)氣(qi)壓(ya)(ya)(ya)(ya)一(yi)(yi)般(ban)為101325帕,水(shui)環真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)極限(xian)絕對(dui)(dui)(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)為3300帕;旋轉(zhuan)葉(xie)片式真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)極限(xian)絕對(dui)(dui)(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)約為10Pa)極限(xian)相對(dui)(dui)(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li):相對(dui)(dui)(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)是(shi)測量(liang)的(de)(de)(de)(de)(de)內部壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)比(bi)(bi)“大(da)氣(qi)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)”低多(duo)少(shao)。表(biao)示(shi)(shi)系統(tong)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)實際值(zhi)(zhi)(zhi)低于大(da)氣(qi)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)。因(yin)為容(rong)器(qi)內的(de)(de)(de)(de)(de)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)是(shi)泵(beng)(beng)(beng)(beng)送(song)的(de)(de)(de)(de)(de),所(suo)以(yi)容(rong)器(qi)內的(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)總是(shi)低于容(rong)器(qi)外的(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)。因(yin)此,當用(yong)相對(dui)(dui)(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)或表(biao)壓(ya)(ya)(ya)(ya)表(biao)示(shi)(shi)時(shi),該值(zhi)(zhi)(zhi)前(qian)(qian)面必須有一(yi)(yi)個負號,表(biao)示(shi)(shi)容(rong)器(qi)內部的(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)低于外部的(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)。極限(xian)絕對(dui)(dui)(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li):絕對(dui)(dui)(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)是(shi)指測量(liang)的(de)(de)(de)(de)(de)內部壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)比(bi)(bi)“理(li)(li)論真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(理(li)(li)論真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)值(zhi)(zhi)(zhi)為0Pa)”高(gao)多(duo)少(shao)。它比(bi)(bi)較的(de)(de)(de)(de)(de)對(dui)(dui)(dui)象(xiang)是(shi)理(li)(li)論狀態下的(de)(de)(de)(de)(de)絕對(dui)(dui)(dui)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)。 由(you)于工(gong)藝限(xian)制,我(wo)們(men)在任何情況下都不能(neng)(neng)(neng)將(jiang)內部壓(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)提升至絕對(dui)(dui)(dui)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)值(zhi)(zhi)(zhi)0Pa。因(yin)此,由(you)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)抽吸的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)值(zhi)(zhi)(zhi)高(gao)于理(li)(li)論真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)值(zhi)(zhi)(zhi)。因(yin)此,當用(yong)絕對(dui)(dui)(dui)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)表(biao)示(shi)(shi)時(shi),其前(qian)(qian)面沒有負號。泵(beng)(beng)(beng)(beng)送(song)能(neng)(neng)(neng)力(li)(li)(li)(li)(li):泵(beng)(beng)(beng)(beng)送(song)能(neng)(neng)(neng)力(li)(li)(li)(li)(li)是(shi)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)泵(beng)(beng)(beng)(beng)送(song)速(su)度(du)的(de)(de)(de)(de)(de)衡量(liang)因(yin)素。一(yi)(yi)般(ban)單位(wei)用(yong)L/S和m /h h表(biao)示(shi)(shi)。這是(shi)一(yi)(yi)個彌補漏氣(qi)率的(de)(de)(de)(de)(de)參數。不難(nan)理(li)(li)解為什(shen)么泵(beng)(beng)(beng)(beng)送(song)量(liang)大(da)的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)可以(yi)很容(rong)易地(di)泵(beng)(beng)(beng)(beng)出(chu)我(wo)們(men)需要(yao)的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du),而(er)泵(beng)(beng)(beng)(beng)送(song)量(liang)小(xiao)的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)卻很慢,甚(shen)至不能(neng)(neng)(neng)泵(beng)(beng)(beng)(beng)出(chu)我(wo)們(men)想要(yao)的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du)。由(you)于管道或容(rong)器(qi)不可能(neng)(neng)(neng)絕對(dui)(dui)(dui)密閉,而(er)吸入(ru)的(de)(de)(de)(de)(de)大(da)量(liang)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)可以(yi)彌補因(yin)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)泄漏而(er)造(zao)成的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du)...
2020
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02
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在(zai)(zai)干(gan)式(shi)真(zhen)空(kong)泵(beng)的(de)(de)(de)(de)(de)應用過(guo)程中(zhong)(zhong)(zhong),特別是(shi)在(zai)(zai)一(yi)(yi)些半導體(ti)(ti)(ti)(ti)應用中(zhong)(zhong)(zhong),很難避(bi)(bi)免(mian)(mian)(mian)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)成分中(zhong)(zhong)(zhong)含有(you)顆(ke)(ke)粒(li)(li)(li)(li)介(jie)質(zhi)。盡(jin)管干(gan)式(shi)真(zhen)空(kong)泵(beng)如螺旋真(zhen)空(kong)泵(beng)對顆(ke)(ke)粒(li)(li)(li)(li)介(jie)質(zhi)有(you)一(yi)(yi)定的(de)(de)(de)(de)(de)耐受性,但仍需(xu)采取措(cuo)施減少顆(ke)(ke)粒(li)(li)(li)(li)物(wu)質(zhi)的(de)(de)(de)(de)(de)產(chan)(chan)(chan)生和混(hun)合(he)。 一(yi)(yi)般(ban)來說,干(gan)式(shi)真(zhen)空(kong)泵(beng)中(zhong)(zhong)(zhong)有(you)三(san)種(zhong)(zhong)顆(ke)(ke)粒(li)(li)(li)(li),其中(zhong)(zhong)(zhong)最(zui)簡(jian)單(dan)的(de)(de)(de)(de)(de)是(shi)泵(beng)送(song)過(guo)程中(zhong)(zhong)(zhong)混(hun)合(he)的(de)(de)(de)(de)(de)顆(ke)(ke)粒(li)(li)(li)(li),其次是(shi)泵(beng)內壓力(li)升(sheng)高(gao)(gao)引起的(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)固相(xiang)變形(xing)成的(de)(de)(de)(de)(de)產(chan)(chan)(chan)物(wu),另一(yi)(yi)種(zhong)(zhong)是(shi)泵(beng)內反(fan)(fan)應氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)產(chan)(chan)(chan)生的(de)(de)(de)(de)(de)產(chan)(chan)(chan)物(wu)。 鑒于(yu)這些情(qing)況,為了減少真(zhen)空(kong)泵(beng)中(zhong)(zhong)(zhong)顆(ke)(ke)粒(li)(li)(li)(li)物(wu)質(zhi)的(de)(de)(de)(de)(de)出現,除了必要(yao)的(de)(de)(de)(de)(de)泵(beng)前過(guo)濾和分離之(zhi)外,可以(yi)(yi)采取以(yi)(yi)下(xia)措(cuo)施來防止泵(beng)中(zhong)(zhong)(zhong)活性顆(ke)(ke)粒(li)(li)(li)(li)物(wu)質(zhi)的(de)(de)(de)(de)(de)出現: 第一(yi)(yi)是(shi)適(shi)當提高(gao)(gao)泵(beng)的(de)(de)(de)(de)(de)溫(wen)度(du)(du),以(yi)(yi)避(bi)(bi)免(mian)(mian)(mian)氣(qi)(qi)(qi)(qi)固相(xiang)變。物(wu)質(zhi)升(sheng)華和凝固過(guo)程中(zhong)(zhong)(zhong)壓力(li)和溫(wen)度(du)(du)的(de)(de)(de)(de)(de)作用因物(wu)質(zhi)而異。調節干(gan)式(shi)真(zhen)空(kong)泵(beng)的(de)(de)(de)(de)(de)溫(wen)度(du)(du)可以(yi)(yi)避(bi)(bi)免(mian)(mian)(mian)氣(qi)(qi)(qi)(qi)固相(xiang)變過(guo)程的(de)(de)(de)(de)(de)發(fa)生。例如,三(san)氯(lv)(lv)化(hua)(hua)鋁(lv)(lv)將在(zai)(zai)鋁(lv)(lv)蝕刻過(guo)程中(zhong)(zhong)(zhong)產(chan)(chan)(chan)生。當溫(wen)度(du)(du)高(gao)(gao)于(yu)80℃時(shi),三(san)氯(lv)(lv)化(hua)(hua)鋁(lv)(lv)會揮(hui)發(fa)而不(bu)沉(chen)積(ji)。 第二(er)是(shi)降(jiang)低參與化(hua)(hua)學(xue)反(fan)(fan)應的(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)濃度(du)(du)。單(dan)位時(shi)間內氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)反(fan)(fan)應產(chan)(chan)(chan)物(wu)的(de)(de)(de)(de)(de)數量(liang)指數與反(fan)(fan)應氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)濃度(du)(du)有(you)關(guan),因此(ci)在(zai)(zai)生產(chan)(chan)(chan)過(guo)程中(zhong)(zhong)(zhong)充入惰性氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)和降(jiang)低反(fan)(fan)應氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)濃度(du)(du)是(shi)減少泵(beng)內顆(ke)(ke)粒(li)(li)(li)(li)物(wu)產(chan)(chan)(chan)生的(de)(de)(de)(de)(de)有(you)效方(fang)法。通常,在(zai)(zai)這種(zhong)(zhong)干(gan)式(shi)真(zhen)空(kong)泵(beng)壓縮氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)之(zhi)前需(xu)要(yao)引入惰性氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)。同時(shi),在(zai)(zai)一(yi)(yi)些工藝過(guo)程中(zhong)(zhong)(zhong),引入惰性氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)來降(jiang)低反(fan)(fan)應氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)濃度(du)(du)也有(you)助于(yu)避(bi)(bi)免(mian)(mian)(mian)爆炸事(shi)故(gu)的(de)(de)(de)(de)(de)發(fa)生。 第三(san)是(shi)增(zeng)加吸(xi)氣(qi)(qi)(qi)(qi)通道中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)流速(su)度(du)(du)。對于(yu)真(zhen)空(kong)泵(beng)中(zhong)(zhong)(zhong)出現的(de)(de)(de)(de)(de)不(bu)可避(bi)(bi)免(mian)(mian)(mian)的(de)(de)(de)(de)(de)顆(ke)(ke)粒(li)(li)(li)(li),為了防止其沉(chen)積(ji)并盡(jin)快排出,必須使(shi)氣(qi)(qi)(qi)(qi)流速(su)度(du)(du)大于(yu)顆(ke)(ke)粒(li)(li)(li)(li)沉(chen)積(ji)的(de)(de)(de)(de)(de)臨界速(su)度(du)(du),以(yi)(yi)保證顆(ke)(ke)粒(li)(li)(li)(li)的(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)動輸送(song)。此(ci)時(shi),有(you)必要(yao)盡(jin)早向泵(beng)中(zhong)(zhong)(zhong)充入適(shi)量(liang)的(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti),以(yi)(yi)使(shi)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)流速(su)大于(yu)臨界顆(ke)(ke)粒(li)(li)(li)(li)沉(chen)...
2020
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03
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一(yi),在(zai)(zai)(zai)(zai)選擇真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)時,確(que)(que)定的(de)(de)(de)產(chan)品應(ying)(ying)確(que)(que)保(bao)(bao)過(guo)(guo)(guo)程(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)釋放(fang)的(de)(de)(de)各種氣(qi)(qi)(qi)(qi)體(ti)(ti)能夠順利抽(chou)出。在(zai)(zai)(zai)(zai)真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)應(ying)(ying)用過(guo)(guo)(guo)程(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong),有多種氣(qi)(qi)(qi)(qi)體(ti)(ti)介質(zhi),如(ru)易(yi)燃(ran)、易(yi)爆、易(yi)冷凝、易(yi)反轉、易(yi)腐(fu)(fu)蝕等。所選真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)必(bi)須(xu)確(que)(que)保(bao)(bao)其適用性。例如(ru),在(zai)(zai)(zai)(zai)該過(guo)(guo)(guo)程(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)將產(chan)生(sheng)大(da)(da)量(liang)的(de)(de)(de)水蒸氣(qi)(qi)(qi)(qi),并(bing)且所選擇的(de)(de)(de)真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)必(bi)須(xu)適合(he)于(yu)水蒸氣(qi)(qi)(qi)(qi)提取(qu)。 二,真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)極限(xian)真(zhen)(zhen)空(kong)(kong)(kong)度(du)(du)(du)必(bi)須(xu)高(gao)于(yu)工(gong)(gong)藝生(sheng)產(chan)所需(xu)(xu)的(de)(de)(de)真(zhen)(zhen)空(kong)(kong)(kong)度(du)(du)(du),至(zhi)少(shao)高(gao)一(yi)個數量(liang)級,并(bing)且設備適合(he)在(zai)(zai)(zai)(zai)所需(xu)(xu)的(de)(de)(de)工(gong)(gong)作真(zhen)(zhen)空(kong)(kong)(kong)度(du)(du)(du)范圍(wei)內(nei)工(gong)(gong)作。真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)極限(xian)真(zhen)(zhen)空(kong)(kong)(kong)度(du)(du)(du)是(shi)泵(beng)(beng)速(su)為(wei)零時能達到的(de)(de)(de)真(zhen)(zhen)空(kong)(kong)(kong)度(du)(du)(du)。因此(ci),為(wei)了確(que)(que)保(bao)(bao)真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)抽(chou)吸速(su)度(du)(du)(du)在(zai)(zai)(zai)(zai)工(gong)(gong)作真(zhen)(zhen)空(kong)(kong)(kong)度(du)(du)(du)內(nei),必(bi)須(xu)滿足(zu)其極限(xian)真(zhen)(zhen)空(kong)(kong)(kong)度(du)(du)(du)大(da)(da)于(yu)工(gong)(gong)作真(zhen)(zhen)空(kong)(kong)(kong)度(du)(du)(du),并(bing)且在(zai)(zai)(zai)(zai)該區間內(nei)需(xu)(xu)要(yao)較(jiao)大(da)(da)的(de)(de)(de)抽(chou)吸速(su)度(du)(du)(du)。 三,真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)泵(beng)(beng)送(song)(song)速(su)度(du)(du)(du)應(ying)(ying)大(da)(da)于(yu)過(guo)(guo)(guo)程(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)的(de)(de)(de)最(zui)大(da)(da)排量(liang)。為(wei)了保(bao)(bao)證真(zhen)(zhen)空(kong)(kong)(kong)度(du)(du)(du),如(ru)果(guo)真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)選型涉及到過(guo)(guo)(guo)程(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)的(de)(de)(de)連續(xu)放(fang)氣(qi)(qi)(qi)(qi),真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)或(huo)真(zhen)(zhen)空(kong)(kong)(kong)系統(tong)的(de)(de)(de)抽(chou)氣(qi)(qi)(qi)(qi)速(su)度(du)(du)(du)應(ying)(ying)大(da)(da)于(yu)過(guo)(guo)(guo)程(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)的(de)(de)(de)最(zui)大(da)(da)放(fang)氣(qi)(qi)(qi)(qi)速(su)度(du)(du)(du)。如(ru)果(guo)系統(tong)配有冷阱或(huo)擋板,添加(jia)阱或(huo)擋板后的(de)(de)(de)有效泵(beng)(beng)送(song)(song)速(su)度(du)(du)(du)應(ying)(ying)大(da)(da)于(yu)過(guo)(guo)(guo)程(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)的(de)(de)(de)最(zui)大(da)(da)氣(qi)(qi)(qi)(qi)體(ti)(ti)釋放(fang)量(liang)。如(ru)果(guo)在(zai)(zai)(zai)(zai)此(ci)過(guo)(guo)(guo)程(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)突然(ran)出現大(da)(da)量(liang)氣(qi)(qi)(qi)(qi)體(ti)(ti)釋放(fang),系統(tong)的(de)(de)(de)有效泵(beng)(beng)送(song)(song)速(su)度(du)(du)(du)應(ying)(ying)適當增加(jia),通常為(wei)最(zui)大(da)(da)氣(qi)(qi)(qi)(qi)體(ti)(ti)釋放(fang)量(liang)的(de)(de)(de)2-3倍。 四、真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)的(de)(de)(de)選擇,真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)工(gong)(gong)作介質(zhi)和制造(zao)材(cai)(cai)料(liao)的(de)(de)(de)選擇必(bi)須(xu)符(fu)合(he)工(gong)(gong)藝要(yao)求。適用于(yu)真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)應(ying)(ying)用,尤其是(shi)在(zai)(zai)(zai)(zai)醫藥、化工(gong)(gong)、電池等領域(yu)。提取(qu)的(de)(de)(de)介質(zhi)往(wang)往(wang)是(shi)腐(fu)(fu)蝕性氣(qi)(qi)(qi)(qi)體(ti)(ti),這就要(yao)求設備有相(xiang)應(ying)(ying)的(de)(de)(de)防(fang)(fang)腐(fu)(fu)措(cuo)施(shi)。例如(ru),酸性和堿性氣(qi)(qi)(qi)(qi)體(ti)(ti)需(xu)(xu)要(yao)有相(xiang)應(ying)(ying)的(de)(de)(de)防(fang)(fang)腐(fu)(fu)涂層,或(huo)者泵(beng)(beng)的(de)(de)(de)材(cai)(cai)質(zhi)改為(wei)不銹鋼,以防(fang)(fang)止腐(fu)(fu)蝕;對于(yu)含有灰塵或(huo)顆(ke)粒的(de)(de)(de)氣(qi)(qi)(qi)(qi)體(ti)(ti),應(ying)(ying)在(zai)(zai)(zai)(zai)泵(beng)(beng)入口等之前添加(jia)除塵器(qi)、過(guo)(guo)(guo)濾器(qi)或(huo)泵(beng)(beng)本身。 五...
2020
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真(zhen)空(kong)(kong)泵(beng)(beng)(beng)是(shi)指使用(yong)機械、物理(li)、化(hua)學或物理(li)化(hua)學方法對(dui)泵(beng)(beng)(beng)送容器進行(xing)抽吸以獲(huo)得真(zhen)空(kong)(kong)的(de)(de)(de)(de)(de)(de)(de)裝置或設備(bei)。一(yi)般來(lai)(lai)說,真(zhen)空(kong)(kong)泵(beng)(beng)(beng)是(shi)一(yi)種使用(yong)各種方法來(lai)(lai)改善、產(chan)生和保持封(feng)閉空(kong)(kong)間(jian)內真(zhen)空(kong)(kong)的(de)(de)(de)(de)(de)(de)(de)裝置。廣(guang)泛應(ying)用(yong)于(yu)冶金、化(hua)工、食品(pin)、電子(zi)涂料等(deng)(deng)行(xing)業。 真(zhen)空(kong)(kong)泵(beng)(beng)(beng)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)相關知識(shi):由(you)于(yu)生產(chan)和設備(bei)運行(xing)環(huan)境(jing)的(de)(de)(de)(de)(de)(de)(de)特殊性(xing)和復(fu)雜性(xing),真(zhen)空(kong)(kong)泵(beng)(beng)(beng)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)、磨損(sun)和氣蝕(shi)(shi)(shi)(shi)是(shi)常見問題(ti),導致泵(beng)(beng)(beng)工作效(xiao)率(lv)(lv)降低(di)(di)、結(jie)構強度降低(di)(di)、振動(dong)增加、漏油等(deng)(deng)問題(ti)的(de)(de)(de)(de)(de)(de)(de)發生。不僅影(ying)響企業的(de)(de)(de)(de)(de)(de)(de)安(an)全(quan)和持續運行(xing),而且對(dui)能(neng)(neng)源消耗也有(you)特別大的(de)(de)(de)(de)(de)(de)(de)影(ying)響。真(zhen)空(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)模式可(ke)(ke)分為兩種:整體(均(jun)勻(yun))腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)和局部腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)。前者(zhe)均(jun)勻(yun)地(di)出現(xian)(xian)在真(zhen)空(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)整個表面,而后者(zhe)僅局部出現(xian)(xian),如孔(kong)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)、縫隙腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)、晶間(jian)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)、應(ying)力腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)等(deng)(deng)。 真(zhen)空(kong)(kong)泵(beng)(beng)(beng)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)修(xiu)(xiu)復(fu)材(cai)料:針對(dui)真(zhen)空(kong)(kong)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)問題(ti),碳納米(mi)聚合物材(cai)料可(ke)(ke)用(yong)于(yu)修(xiu)(xiu)復(fu)或防腐(fu)(fu)(fu)。該材(cai)料因其優(you)異(yi)的(de)(de)(de)(de)(de)(de)(de)耐(nai)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)性(xing)、耐(nai)侵蝕(shi)(shi)(shi)(shi)性(xing)、耐(nai)氣蝕(shi)(shi)(shi)(shi)性(xing)、粘接性(xing)能(neng)(neng)和機械性(xing)能(neng)(neng),在泵(beng)(beng)(beng)保護(腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)、氣蝕(shi)(shi)(shi)(shi)和侵蝕(shi)(shi)(shi)(shi))方面取得了良好的(de)(de)(de)(de)(de)(de)(de)應(ying)用(yong)效(xiao)果(guo),且該技術(shu)操作簡單、修(xiu)(xiu)復(fu)時(shi)間(jian)短、修(xiu)(xiu)復(fu)效(xiao)率(lv)(lv)高(gao)(gao)、修(xiu)(xiu)復(fu)安(an)全(quan)性(xing)高(gao)(gao)。不僅可(ke)(ke)以大大延長設備(bei)的(de)(de)(de)(de)(de)(de)(de)生命周期,還可(ke)(ke)以提(ti)高(gao)(gao)設備(bei)的(de)(de)(de)(de)(de)(de)(de)運行(xing)效(xiao)率(lv)(lv)。現(xian)(xian)已(yi)廣(guang)泛應(ying)用(yong)于(yu)真(zhen)空(kong)(kong)泵(beng)(beng)(beng)、脫(tuo)硫泵(beng)(beng)(beng)、泥漿泵(beng)(beng)(beng)、泥漿泵(beng)(beng)(beng)、鹽泥泵(beng)(beng)(beng)等(deng)(deng)泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)(de)維修(xiu)(xiu)和保護。值(zhi)得一(yi)提(ti)的(de)(de)(de)(de)(de)(de)(de)是(shi),這種材(cai)料不僅可(ke)(ke)用(yong)于(yu)泵(beng)(beng)(beng)保護,還可(ke)(ke)用(yong)于(yu)金屬改造、防腐(fu)(fu)(fu)、泄漏處理(li)、橡膠輸送帶(dai)劃痕(hen)修(xiu)(xiu)復(fu)、橡膠密封(feng)、混(hun)凝土修(xiu)(xiu)復(fu)等(deng)(deng)領域。 恒才機電真(zhen)空(kong)(kong)泵(beng)(beng)(beng)廠家主要(yao)產(chan)品(pin)有(you)2BV、V、VG、VI、VZ、VN、LRP系(xi)列(lie)水(shui)環(huan)真(zhen)空(kong)(kong)泵(beng)(beng)(beng),X-40、GVD系(xi)列(lie)旋片(pian)真(zhen)空(kong)(kong)...
2020
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什(shen)(shen)么是氣蝕(shi)(shi)? 當(dang)泵(beng)內液體的(de)(de)(de)局部(bu)壓(ya)(ya)力(li)降(jiang)(jiang)至(zhi)臨界壓(ya)(ya)力(li)時(shi),液體中會產(chan)生(sheng)氣泡。氣蝕(shi)(shi)是氣泡聚集、運動、分裂和消除的(de)(de)(de)全過(guo)程。臨界壓(ya)(ya)力(li)通常接近(jin)汽(qi)化壓(ya)(ya)力(li)。 氣蝕(shi)(shi)的(de)(de)(de)危害(hai)是什(shen)(shen)么? 過(guo)流(liu)(liu)部(bu)件腐(fu)蝕(shi)(shi) 腐(fu)蝕(shi)(shi)有兩個(ge)原(yuan)因: 一(yi)是氣泡破(po)裂時(shi)的(de)(de)(de)高(gao)(gao)頻率(lv)(600 ~ 25000赫(he)茲(zi))沖擊(ji)和高(gao)(gao)達(da)49兆帕的(de)(de)(de)壓(ya)(ya)力(li)造(zao)成金屬(shu)表面的(de)(de)(de)機(ji)械剝蝕(shi)(shi)。 第二是由于(yu)蒸發過(guo)程中釋放的(de)(de)(de)熱量和溫差(cha)電池作(zuo)用引起的(de)(de)(de)水解。產(chan)生(sheng)的(de)(de)(de)氧氣氧化金屬(shu)并引起化學(xue)腐(fu)蝕(shi)(shi)。 泵(beng)性(xing)能(neng)(neng)下(xia)(xia)降(jiang)(jiang) 當(dang)泵(beng)發生(sheng)氣蝕(shi)(shi)時(shi),葉(xie)輪(lun)中的(de)(de)(de)能(neng)(neng)量交換被干(gan)擾和破(po)壞(huai)。外部(bu)特(te)性(xing)顯示(shi)為Q-H曲(qu)線(xian)、Q-P和Q-η曲(qu)線(xian)線(xian)下(xia)(xia)下(xia)(xia)降(jiang)(jiang)。在嚴重(zhong)的(de)(de)(de)情況下(xia)(xia),泵(beng)中的(de)(de)(de)流(liu)(liu)量將(jiang)被中斷,無法工作(zuo)。 對于(yu)低比轉速(su),由于(yu)葉(xie)片空間流(liu)(liu)道又窄又長,一(yi)旦發生(sheng)氣穴現(xian)象,氣泡將(jiang)充滿(man)整個(ge)流(liu)(liu)道,性(xing)能(neng)(neng)曲(qu)線(xian)將(jiang)突然(ran)(ran)下(xia)(xia)降(jiang)(jiang)。 對于(yu)中高(gao)(gao)特(te)定(ding)速(su)度(du),流(liu)(liu)道是短(duan)而寬(kuan)的(de)(de)(de),因此氣泡需要從(cong)產(chan)生(sheng)到(dao)(dao)發展(zhan)到(dao)(dao)完(wan)全充滿(man)流(liu)(liu)道的(de)(de)(de)過(guo)渡過(guo)程。相(xiang)應的(de)(de)(de)性(xing)能(neng)(neng)曲(qu)線(xian)開始緩慢下(xia)(xia)降(jiang)(jiang),然(ran)(ran)后(hou)在急劇下(xia)(xia)降(jiang)(jiang)之前增(zeng)加(jia)到(dao)(dao)某個(ge)值流(liu)(liu)量。 在離心泵(beng)中最有可能(neng)(neng)發生(sheng)氣蝕(shi)(shi)的(de)(de)(de)地方 在葉(xie)輪(lun)曲(qu)率(lv)最大的(de)(de)(de)前蓋板處,靠近(jin)葉(xie)片入(ru)口(kou)邊緣(yuan)的(de)(de)(de)低壓(ya)(ya)側; 蝸形隔板舌的(de)(de)(de)低壓(ya)(ya)側和擠壓(ya)(ya)室中入(ru)口(kou)邊緣(yuan)附(fu)近(jin)的(de)(de)(de)導葉(xie); 葉(xie)尖外圓與無前蓋板的(de)(de)(de)高(gao)(gao)比轉數葉(xie)輪(lun)殼(ke)體和葉(xie)尖低壓(ya)(ya)側之間的(de)(de)(de)密封間隙; 多級(ji)泵(beng)中的(de)(de)(de)第一(yi)級(ji)葉(xie)輪(lun)。 提高(gao)(gao)抗氣蝕(shi)(shi)能(neng)(neng)力(li)的(de)(de)(de)措施 1.提高(gao)(gao)離心泵(beng)抗氣蝕(shi)(shi)性(xing)能(neng)(neng)的(de)(de)(de)措施 改進從(cong)泵(beng)的(de)(de)(de)吸入(ru)口(kou)到(dao)(dao)葉(xie)輪(lun)附(fu)近(jin)的(de)(de)(de)結(jie)構(gou)設計。增(zeng)加(jia)流(liu)(liu)通面積(ji);葉(xie)輪(lun)蓋板入(ru)口(kou)部(bu)分的(de)(de)(de)曲(qu)率(lv)半徑增(zeng)加(jia),以(yi)減(jian)...
2020
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小(xiao)型(xing)(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)也叫(jiao)微(wei)(wei)型(xing)(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng),因為它體(ti)積(ji)小(xiao)。小(xiao)型(xing)(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)(即微(wei)(wei)型(xing)(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng))是(shi)(shi)(shi)指:它有(you)一個(ge)吸(xi)(xi)嘴和一個(ge)排(pai)氣(qi)(qi)(qi)嘴,并能在(zai)(zai)(zai)(zai)(zai)入口(kou)(kou)處(chu)連續形成(cheng)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)或負壓(ya);排(pai)氣(qi)(qi)(qi)噴嘴處(chu)形成(cheng)微(wei)(wei)正壓(ya);工作介(jie)質主要(yao)是(shi)(shi)(shi)氣(qi)(qi)(qi)體(ti),是(shi)(shi)(shi)一種體(ti)積(ji)小(xiao)的(de)(de)(de)(de)(de)(de)儀器(qi)。小(xiao)型(xing)(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)可(ke)(ke)用(yong)于空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)調、制(zhi)冷(leng)設(she)備(bei)維修、醫(yi)(yi)(yi)療(liao)設(she)備(bei)抽(chou)吸(xi)(xi)裝(zhuang)置(zhi)、印刷(shua)機(ji)械(xie)、真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)包裝(zhuang)、真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)抽(chou)吸(xi)(xi)、物理和化(hua)學實驗以及(ji)需要(yao)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)環境和其他真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)操作的(de)(de)(de)(de)(de)(de)小(xiao)型(xing)(xing)裝(zhuang)置(zhi)。應用(yong)范圍(wei)涉及(ji)科學研究(jiu)、氣(qi)(qi)(qi)體(ti)采樣、儀器(qi)儀表、化(hua)學分(fen)析、醫(yi)(yi)(yi)療(liao)保(bao)健、醫(yi)(yi)(yi)藥(yao)衛(wei)生、生物工程、自(zi)動(dong)(dong)(dong)控制(zhi)、環境保(bao)護(hu)、水處(chu)理等(deng)許多領域(yu)。 小(xiao)型(xing)(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)不(bu)適合泵(beng)(beng)(beng)(beng)(beng)出(chu)腐(fu)蝕(shi)黑(hei)色金(jin)屬、與(yu)泵(beng)(beng)(beng)(beng)(beng)油發生化(hua)學反應、含(han)有(you)微(wei)(wei)粒灰塵以及(ji)含(han)有(you)過(guo)多氧(yang)氣(qi)(qi)(qi)且具(ju)有(you)爆炸(zha)性的(de)(de)(de)(de)(de)(de)有(you)毒(du)氣(qi)(qi)(qi)體(ti)的(de)(de)(de)(de)(de)(de)氣(qi)(qi)(qi)體(ti)。它不(bu)能用(yong)作輸(shu)送泵(beng)(beng)(beng)(beng)(beng)(即從一個(ge)容(rong)器(qi)泵(beng)(beng)(beng)(beng)(beng)到另一個(ge)容(rong)器(qi))。 小(xiao)型(xing)(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)電機(ji)的(de)(de)(de)(de)(de)(de)圓周運動(dong)(dong)(dong)通(tong)過(guo)機(ji)械(xie)裝(zhuang)置(zhi)使泵(beng)(beng)(beng)(beng)(beng)內的(de)(de)(de)(de)(de)(de)隔膜做往復(fu)運動(dong)(dong)(dong),從而壓(ya)縮和拉伸(shen)泵(beng)(beng)(beng)(beng)(beng)腔(qiang)內的(de)(de)(de)(de)(de)(de)固定(ding)容(rong)積(ji)的(de)(de)(de)(de)(de)(de)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi),形成(cheng)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(負壓(ya)),在(zai)(zai)(zai)(zai)(zai)泵(beng)(beng)(beng)(beng)(beng)吸(xi)(xi)入口(kou)(kou)和外(wai)界大(da)氣(qi)(qi)(qi)壓(ya)力之間產(chan)生壓(ya)差,在(zai)(zai)(zai)(zai)(zai)壓(ya)差的(de)(de)(de)(de)(de)(de)作用(yong)下(xia),氣(qi)(qi)(qi)體(ti)被(bei)壓(ya)(吸(xi)(xi))進泵(beng)(beng)(beng)(beng)(beng)腔(qiang),然后從排(pai)出(chu)口(kou)(kou)排(pai)出(chu)。 應注(zhu)意小(xiao)型(xing)(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)使用(yong): 1.負載啟(qi)動(dong)(dong)(dong)問題。 如果小(xiao)型(xing)(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)在(zai)(zai)(zai)(zai)(zai)啟(qi)動(dong)(dong)(dong)前在(zai)(zai)(zai)(zai)(zai)其吸(xi)(xi)入口(kou)(kou)有(you)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)或在(zai)(zai)(zai)(zai)(zai)其排(pai)氣(qi)(qi)(qi)口(kou)(kou)有(you)壓(ya)力,則應考慮(lv)泵(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)另一個(ge)技術參數:入口(kou)(kou)的(de)(de)(de)(de)(de)(de)最大(da)啟(qi)動(dong)(dong)(dong)負荷和排(pai)氣(qi)(qi)(qi)口(kou)(kou)的(de)(de)(de)(de)(de)(de)最大(da)啟(qi)動(dong)(dong)(dong)負荷。 2.小(xiao)型(xing)(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)中溫(wen)問題。根據(ju)通(tong)過(guo)泵(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)介(jie)質氣(qi)(qi)(qi)體(ti)的(de)(de)(de)(de)(de)(de)溫(wen)度,選擇普(pu)通(tong)類型(xing)(xing)或高溫(wen)類型(xing)(xing)。 3.小(xiao)型(xing)(xing)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)可(ke)(ke)靠性。根據(ju)微(wei)(wei)型(xing)(xing)泵(beng)(beng)(beng)(beng)(beng)故(gu)障后果的(de)(de)(de)(de)(de)(de)嚴重性,完全按(an)照自(zi)己(ji)的(de)(de)(de)(de)(de)(de)要(yao)求進行。應特(te)別注(zhu)意的(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi),該參數是(shi)(shi)(shi)...
2020
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一(yi)、干(gan)式(shi)螺(luo)桿(gan)真(zhen)空泵(beng)(beng)開(kai)(kai)(kai)機前(qian)的檢(jian)查和準備 1.檢(jian)查真(zhen)空泵(beng)(beng)部件(jian)是否齊全; 2.檢(jian)查不(bu)同油位觀(guan)(guan)察窗(chuang)處(chu)的油位,并確認油位在(zai)(zai)油位觀(guan)(guan)察窗(chuang)中(zhong)心線以(yi)上約3毫米處(chu)。 3.檢(jian)查并確認真(zhen)空裝置(zhi)各閥(fa)門(men)的狀態(tai); a.過程入(ru)(ru)(ru)口(kou)(kou)(kou)閥(fa)關(guan)(guan)閉。 b.入(ru)(ru)(ru)口(kou)(kou)(kou)過濾(lv)器排水(shui)(shui)閥(fa)關(guan)(guan)閉。 c.出(chu)(chu)口(kou)(kou)(kou)管(guan)(guan)道(dao)暢通(tong)(tong),出(chu)(chu)口(kou)(kou)(kou)管(guan)(guan)道(dao)排污(wu)閥(fa)開(kai)(kai)(kai)啟(qi)(qi)。 d.冷卻(que)水(shui)(shui)入(ru)(ru)(ru)口(kou)(kou)(kou)管(guan)(guan)道(dao)和出(chu)(chu)口(kou)(kou)(kou)管(guan)(guan)道(dao)閥(fa)門(men)開(kai)(kai)(kai)啟(qi)(qi)。 氮(dan)氣(qi)線閥(fa)門(men)打開(kai)(kai)(kai),吹(chui)掃氣(qi)體(ti)壓力為0.5巴(ba),氮(dan)氣(qi)密封(feng)氣(qi)體(ti)壓力為3巴(ba),吹(chui)掃閥(fa)門(men)關(guan)(guan)閉。 二、干(gan)式(shi)螺(luo)桿(gan)真(zhen)空泵(beng)(beng)開(kai)(kai)(kai)機操(cao)(cao)作步(bu)(bu)驟 1.聯(lian)系(xi)(xi)現場(chang)中(zhong)控(kong)確認可(ke)以(yi)啟(qi)(qi)動,通(tong)(tong)過現場(chang)操(cao)(cao)作欄(lan)啟(qi)(qi)動按鈕啟(qi)(qi)動真(zhen)空泵(beng)(beng); 2.關(guan)(guan)閉出(chu)(chu)水(shui)(shui)管(guan)(guan)排水(shui)(shui)閥(fa); 3.檢(jian)查或調(diao)整氮(dan)氣(qi)密封(feng)氣(qi)體(ti)流(liu)量(liang)(liang),并確認流(liu)量(liang)(liang)為2.5——3升/分鐘(zhong); 4.打開(kai)(kai)(kai)凈(jing)化閥(fa),確認流(liu)量(liang)(liang)儀表流(liu)量(liang)(liang)設置(zhi)為最大值。吹(chui)掃5——10分鐘(zhong)后,關(guan)(guan)閉吹(chui)掃閥(fa); 5.打開(kai)(kai)(kai)工(gong)藝入(ru)(ru)(ru)口(kou)(kou)(kou)閥(fa)并接(jie)入(ru)(ru)(ru)系(xi)(xi)統; 6.真(zhen)空泵(beng)(beng)運行期間,觀(guan)(guan)察機體(ti)溫度(du)。可(ke)以(yi)通(tong)(tong)過溫度(du)調(diao)節閥(fa)調(diao)節水(shui)(shui)量(liang)(liang)來控(kong)制(zhi)溫度(du)(當溫度(du)調(diao)節閥(fa)位于(yu)刻度(du)0時(shi)水(shui)(shui)量(liang)(liang)最大,當其位于(yu)刻度(du)5時(shi)水(shui)(shui)量(liang)(liang)最小)。溫度(du)要求(qiu)盡可(ke)能控(kong)制(zhi)在(zai)(zai)50——75℃,以(yi)保證不(bu)超過80℃。 三、干(gan)式(shi)螺(luo)桿(gan)真(zhen)空泵(beng)(beng)停止操(cao)(cao)作步(bu)(bu)驟 1.關(guan)(guan)閉工(gong)藝入(ru)(ru)(ru)口(kou)(kou)(kou)閥(fa),切斷系(xi)(xi)統; 2.打開(kai)(kai)(kai)吹(chui)掃閥(fa),吹(chui)掃20——40分鐘(zhong)后,關(guan)(guan)閉吹(chui)掃閥(fa); 3.通(tong)(tong)過現場(chang)操(cao)(cao)作柱(zhu)停止按鈕停止; 4.關(guan)(guan)閉氮(dan)氣(qi)閥(fa); 5.關(guan)(guan)閉冷卻(que)水(shui)(shui)閥(fa)門(men);如果在(zai)(zai)冬季長時(shi)間不(bu)使用,應排出(chu)(chu)機體(ti)和管(guan)(guan)道(dao)中(zhong)的冷卻(que)水(shui)(shui),以(yi)防凍結(jie)。 6.打開(kai)(kai)(kai)出(chu)(chu)口(kou)(kou)(kou)...
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