選用(yong)單螺(luo)桿與高(gao)(gao)粘度(du)泵性(xing)能區(qu)分。單螺(luo)桿泵同樣可以(yi)輸送高(gao)(gao)粘度(du)、高(gao)(gao)濃(nong)度(du)有固(gu)體顆粒和懸(xuan)浮物的介質；適用(yong)范(fan)圍G系列(lie)單螺桿(gan)泵根據材質(zhi)可分為如下三種類型(xing)：

1、普通泵(beng)(beng)：主(zhu)要適用范(fan)圍：油水分(fen)離(li)裝置的(de)理想輸(shu)(shu)(shu)送泵(beng)(beng)、污(wu)水處(chu)理裝置輸(shu)(shu)(shu)送泵(beng)(beng)；噴霧裝置輸(shu)(shu)(shu)送泵(beng)(beng)；焚燒爐輸(shu)(shu)(shu)送泵(beng)(beng)；污(wu)水、糞便輸(shu)(shu)(shu)送；潤滑油、燃油、植(zhi)物油輸(shu)(shu)(shu)送；沉(chen)積糊狀(zhuang)且夾(jia)有固體顆粒介質的(de)抽吸輸(shu)(shu)(shu)送，石(shi)油、水紋地球物理勘(kan)探鉆(zhan)機輸(shu)(shu)(shu)送泥(ni)漿；新型濕紡糊狀(zhuang)石(shi)棉漿的(de)輸(shu)(shu)(shu)送；粘(zhan)度油墨、陶土(tu)、粘(zhan)土(tu)糊、紙(zhi)漿的(de)輸(shu)(shu)(shu)送；還有作輸(shu)(shu)(shu)送混凝土(tu)、、水煤漿、高嶺土(tu)及纖(xian)維液等特殊物料的(de)輸(shu)(shu)(shu)送泵(beng)(beng)。

2、食品泵：（采(cai)用不銹鋼與無毒(du)橡膠材料）主要適用范圍：釀酒(jiu)、未稀釋的(de)啤酒(jiu)芽(ya)、酒(jiu)花、奶(nai)粉、麥(mai)乳精、淀(dian)粉、番茄(qie)醬(jiang)、醬(jiang)油、發酵液、醪液、蜂蜜、巧克力混合料、牛奶(nai)、奶(nai)油、奶(nai)酪和肉(rou)漿等抽吸輸送，還(huan)可應用在制藥工業和牙膏(gao)工業等方面。

3、化工(gong)泵：（采用(yong)耐(nai)(nai)腐不銹鋼(gang)與耐(nai)(nai)腐橡膠材料(liao)）主要(yao)適(shi)用(yong)范圍：腐蝕性石油、化工(gong)介質、顏料(liao)、厚油漆(qi)、化妝品、軟膏、肥皂、環保(bao)等工(gong)業部門(men)；是壓濾機理想的料(liao)液輸送泵。注(zhu)：1、對(dui)于(yu)一般性介質(zhi)可按(an)上(shang)表(biao)參數選(xuan)用。2、對(dui)于高(gao)粘度介質(zhi)、磨(mo)削(xue)性(xing)介質(zhi)及含固率較高(gao)介質(zhi)。請按上表(biao)中轉速的1/2-1/5選擇流量(liang)，轉(zhuan)速與流量(liang)成簡單(dan)正比。即：如轉(zhuan)速下降1/2，流量也下降(jiang)1/2。3、由(you)于單螺桿泵(beng)的(de)特殊性。為了達到理想的(de)輸送效果，最有把(ba)握的(de)辦(ban)法，請你們與我公司(si)的(de)螺桿泵(beng)專家們一起討論，這樣可避免用太大或(huo)太小的(de)泵(beng)而浪費(fei)時間和資金(jin)。

高粘度(du)(du)泵可以輸送(song)高粘度(du)(du)、高濃(nong)度(du)(du)無固體顆(ke)(ke)粒或(huo)細小(xiao)軟顆(ke)(ke)粒的潤滑性介質；效率高，性能穩定(ding)，使(shi)用壽命長。

高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)可(ke)以采用(yong)(yong)保(bao)溫夾套結構，輸(shu)(shu)送(song)(song)比(bi)較高(gao)(gao)的粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)物料時可(ke)以對高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)進行保(bao)溫，從而(er)降低介(jie)質(zhi)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)，達(da)到(dao)更(geng)好(hao)的輸(shu)(shu)送(song)(song)效(xiao)(xiao)果(guo)(guo)，而(er)單(dan)(dan)(dan)螺(luo)桿(gan)(gan)泵(beng)(beng)(beng)(beng)(beng)沒有保(bao)溫夾套結構；高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)在(zai)使(shi)用(yong)(yong)一段(duan)時間(jian)(jian)后，如(ru)果(guo)(guo)泵(beng)(beng)(beng)(beng)(beng)內部(bu)(bu)間(jian)(jian)隙磨(mo)損后，不用(yong)(yong)拆(chai)泵(beng)(beng)(beng)(beng)(beng)可(ke)以自行根據高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)所(suo)(suo)輸(shu)(shu)送(song)(song)的物料粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)來調整泵(beng)(beng)(beng)(beng)(beng)的間(jian)(jian)隙，調整后和新泵(beng)(beng)(beng)(beng)(beng)一樣可(ke)以達(da)到(dao)良好(hao)的使(shi)用(yong)(yong)效(xiao)(xiao)果(guo)(guo)。而(er)單(dan)(dan)(dan)螺(luo)桿(gan)(gan)泵(beng)(beng)(beng)(beng)(beng)使(shi)用(yong)(yong)一段(duan)時間(jian)(jian)磨(mo)損后只能(neng)(neng)(neng)拆(chai)泵(beng)(beng)(beng)(beng)(beng)更(geng)好(hao)鑲嵌在(zai)泵(beng)(beng)(beng)(beng)(beng)體(ti)內部(bu)(bu)的橡膠(jiao)膠(jiao)套，而(er)且單(dan)(dan)(dan)螺(luo)桿(gan)(gan)泵(beng)(beng)(beng)(beng)(beng)膠(jiao)套在(zai)使(shi)用(yong)(yong)中(zhong)(zhong)特(te)(te)別容易磨(mo)損，這樣就(jiu)(jiu)大大提(ti)高(gao)(gao)了(le)單(dan)(dan)(dan)螺(luo)桿(gan)(gan)泵(beng)(beng)(beng)(beng)(beng)在(zai)使(shi)用(yong)(yong)過(guo)(guo)(guo)程(cheng)中(zhong)(zhong)的維修(xiu)成(cheng)本(ben)。高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)可(ke)配安全閥，當泵(beng)(beng)(beng)(beng)(beng)或管路系統超壓(ya)時，安全閥門打(da)開，形成(cheng)內部(bu)(bu)回流，保(bao)證(zheng)系統安全。而(er)單(dan)(dan)(dan)螺(luo)桿(gan)(gan)泵(beng)(beng)(beng)(beng)(beng)在(zai)泵(beng)(beng)(beng)(beng)(beng)本(ben)身不能(neng)(neng)(neng)設置安全閥，只能(neng)(neng)(neng)在(zai)管路中(zhong)(zhong)設置，提(ti)高(gao)(gao)了(le)設備(bei)投入成(cheng)本(ben)和安裝成(cheng)本(ben)。選(xuan)擇(ze)高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)時必(bi)須(xu)(xu)考(kao)慮高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)所(suo)(suo)輸(shu)(shu)送(song)(song)的介(jie)質(zhi)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)，從而(er)才能(neng)(neng)(neng)來確(que)定高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)的轉(zhuan)速(su)范(fan)圍(wei)，根據高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)的轉(zhuan)速(su)范(fan)圍(wei)及所(suo)(suo)需(xu)(xu)工況條(tiao)件(jian)下(xia)高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)的正常流量(liang)范(fan)圍(wei)，才能(neng)(neng)(neng)確(que)定高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)具體(ti)型號。需(xu)(xu)要(yao)注意的是一般介(jie)質(zhi)可(ke)以這樣來選(xuan)擇(ze)。其中(zhong)(zhong)，有些(xie)(xie)特(te)(te)殊化(hua)學介(jie)質(zhi)在(zai)一定溫度(du)(du)下(xia)會改變其化(hua)學成(cheng)分(fen)，所(suo)(suo)以需(xu)(xu)要(yao)在(zai)選(xuan)擇(ze)高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)要(yao)特(te)(te)別注意泵(beng)(beng)(beng)(beng)(beng)的轉(zhuan)速(su)是否適合，因(yin)為泵(beng)(beng)(beng)(beng)(beng)的轉(zhuan)速(su)越高(gao)(gao)，正常工作中(zhong)(zhong)產生的熱量(liang)就(jiu)(jiu)越大，一旦超過(guo)(guo)(guo)介(jie)質(zhi)所(suo)(suo)限制(zhi)的溫度(du)(du)，那(nei)么就(jiu)(jiu)多所(suo)(suo)輸(shu)(shu)送(song)(song)的介(jie)質(zhi)造成(cheng)了(le)破(po)壞(huai)。還有些(xie)(xie)食品類介(jie)質(zhi)，比(bi)如(ru)果(guo)(guo)醬類，像我(wo)們(men)日常中(zhong)(zhong)所(suo)(suo)食用(yong)(yong)的果(guo)(guo)醬、花生醬、豆瓣醬等，這些(xie)(xie)介(jie)質(zhi)要(yao)求(qiu)(qiu)在(zai)輸(shu)(shu)送(song)(song)過(guo)(guo)(guo)程(cheng)中(zhong)(zhong)必(bi)須(xu)(xu)不能(neng)(neng)(neng)夠破(po)壞(huai)其內部(bu)(bu)的成(cheng)分(fen)進行破(po)壞(huai)，這就(jiu)(jiu)要(yao)求(qiu)(qiu)我(wo)們(men)所(suo)(suo)選(xuan)的泵(beng)(beng)(beng)(beng)(beng)的轉(zhuan)速(su)必(bi)須(xu)(xu)要(yao)低，才能(neng)(neng)(neng)保(bao)證(zheng)高(gao)(gao)粘(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)度(du)(du)泵(beng)(beng)(beng)(beng)(beng)在(zai)輸(shu)(shu)送(song)(song)過(guo)(guo)(guo)程(cheng)中(zhong)(zhong)不破(po)壞(huai)所(suo)(suo)輸(shu)(shu)送(song)(song)的介(jie)質(zhi)。

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