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1
2021
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04
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22
在使(shi)用水(shui)(shui)(shui)環(huan)真(zhen)空(kong)泵(beng)時(shi),氣(qi)蝕(shi)是一個普遍的(de)(de)(de)問題。水(shui)(shui)(shui)環(huan)泵(beng)的(de)(de)(de)真(zhen)空(kong)度(du)不(bu)能滿足要求,影(ying)響(xiang)水(shui)(shui)(shui)環(huan)泵(beng)的(de)(de)(de)正常(chang)使(shi)用。因此(ci)(ci),如何避免(mian)水(shui)(shui)(shui)環(huan)泵(beng)的(de)(de)(de)氣(qi)蝕(shi)已成為許(xu)多用戶面臨的(de)(de)(de)主(zhu)要問題。水(shui)(shui)(shui)環(huan)真(zhen)空(kong)泵(beng)制(zhi)造(zao)商向我們介紹了(le)以(yi)下內容。 在水(shui)(shui)(shui)環(huan)式真(zhen)空(kong)泵(beng)運行期間,真(zhen)空(kong)度(du)越高(gao),沸點(dian)越低(di)。當液體(ti)沸騰(teng)時(shi),會(hui)(hui)形成許(xu)多氣(qi)泡。這些小氣(qi)泡很容易(yi)破(po)(po)裂,在研(yan)磨(mo)過(guo)程(cheng)(cheng)中(zhong)(zhong)葉(xie)輪會(hui)(hui)受到(dao)嚴重(zhong)影(ying)響(xiang)。在白天和黑夜里,葉(xie)輪會(hui)(hui)破(po)(po)裂。如果嚴重(zhong)損壞(huai),則(ze)由于無法(fa)修復,可能會(hui)(hui)被迫更(geng)換。如果工作液流(liu)量(liang)過(guo)大,它們還會(hui)(hui)產生(sheng)尖銳的(de)(de)(de)噪(zao)音,因此(ci)(ci)有必(bi)要降低(di)流(liu)量(liang)。 處(chu)理措施:針對這種(zhong)現(xian)象,可將葉(xie)輪設(she)計為銅葉(xie)輪,不(bu)銹(xiu)鋼葉(xie)輪等材料(liao)。水(shui)(shui)(shui)環(huan)泵(beng)的(de)(de)(de)前面有一個氣(qi)蝕(shi)閥。當空(kong)化噪(zao)音太大時(shi),稍微轉動空(kong)化閥可以(yi)降低(di)噪(zao)音。但是,由于真(zhen)空(kong)度(du)會(hui)(hui)大大降低(di),因此(ci)(ci)要求高(gao)真(zhen)空(kong)度(du)的(de)(de)(de)工藝不(bu)適用。 在使(shi)用水(shui)(shui)(shui)環(huan)式真(zhen)空(kong)泵(beng)的(de)(de)(de)過(guo)程(cheng)(cheng)中(zhong)(zhong),如果出(chu)現(xian)氣(qi)蝕(shi)現(xian)象,應(ying)立即將其停止(zhi),并(bing)應(ying)采取有效措施停止(zhi)該(gai)過(guo)程(cheng)(cheng)。另外,在實踐中(zhong)(zhong),遵循正確的(de)(de)(de)步驟可以(yi)有效地(di)防止(zhi)出(chu)現(xian)氣(qi)穴問題。
2
2021
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05
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12
真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)維(wei)(wei)護(hu)(hu):真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)排氣閥(fa)的(de)(de)拆(chai)卸(xie)(xie)(xie)和(he)(he)維(wei)(wei)修(xiu)步驟(zou)文字:真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)排氣閥(fa)不(bu)能正常(chang)工(gong)作,這當然會(hui)影(ying)響(xiang)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)度。因此,在(zai)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)維(wei)(wei)護(hu)(hu)中排氣閥(fa)的(de)(de)拆(chai)卸(xie)(xie)(xie)和(he)(he)維(wei)(wei)修(xiu)非常(chang)重(zhong)要。今(jin)天我將(jiang)整理排氣門的(de)(de)拆(chai)卸(xie)(xie)(xie)和(he)(he)維(wei)(wei)修(xiu)步驟(zou)。 1.拆(chai)卸(xie)(xie)(xie)和(he)(he)維(wei)(wei)修(xiu)時(shi)(shi)(shi),請(qing)先從泵(beng)(beng)(beng)(beng)中排出一些機(ji)油(you)(you),以(yi)使油(you)(you)位降到(dao)油(you)(you)窗以(yi)下(xia)。 2.拆(chai)開(kai)油(you)(you)窗,拆(chai)下(xia)閥(fa)板(ban)(或閥(fa)碗,球(qiu)),檢查它(ta)們(men)是(shi)(shi)否(fou)完好,平(ping)坦,靈活(huo),裝配牢固,合適以(yi)及(ji)是(shi)(shi)否(fou)有(you)孔。 3.正常(chang)情(qing)況下(xia),閥(fa)板(ban)應平(ping)滑地(di)覆蓋通風孔。 4.大型泵(beng)(beng)(beng)(beng)的(de)(de)閥(fa)板(ban)主要是(shi)(shi)鋼板(ban),并通過(guo)彈簧(huang)(huang)壓縮(suo)。檢查閥(fa)板(ban)是(shi)(shi)否(fou)損壞(huai),彈簧(huang)(huang)是(shi)(shi)否(fou)過(guo)硬以(yi)致于(yu)難(nan)以(yi)跳動閥(fa)板(ban)。 5.對于(yu)耐(nai)油(you)(you)橡膠閥(fa),請(qing)檢查其是(shi)(shi)否(fou)變形。 維(wei)(wei)修(xiu)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)時(shi)(shi)(shi),對真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)狀態(tai)進行監控,不(bu)僅可以(yi)延長真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)的(de)(de)工(gong)作周期,而且可以(yi)適當組織維(wei)(wei)護(hu)(hu)內容(rong),提高效率,節省人工(gong),財力和(he)(he)時(shi)(shi)(shi)間。這是(shi)(shi)最先進的(de)(de)維(wei)(wei)護(hu)(hu)方法。要實施這種維(wei)(wei)護(hu)(hu)方法,有(you)必要建立在(zai)及(ji)時(shi)(shi)(shi)有(you)效的(de)(de)故障診斷(duan)技術(shu)的(de)(de)基礎上,對真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)故障診斷(duan)的(de)(de)研究是(shi)(shi)對真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)進行預防(fang)性維(wei)(wei)護(hu)(hu)。 拆(chai)卸(xie)(xie)(xie)和(he)(he)維(wei)(wei)修(xiu)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)排氣閥(fa)時(shi)(shi)(shi),請(qing)按照上述步驟(zou)進行拆(chai)卸(xie)(xie)(xie)和(he)(he)維(wei)(wei)修(xiu),或將(jiang)其送到(dao)專業的(de)(de)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(beng)維(wei)(wei)修(xiu)工(gong)廠(chang)進行拆(chai)卸(xie)(xie)(xie)和(he)(he)維(wei)(wei)修(xiu),但請(qing)勿擅自拆(chai)卸(xie)(xie)(xie)或維(wei)(wei)修(xiu),否(fou)則可能會(hui)損壞(huai)設備。
3
2021
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05
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27
隨著干(gan)(gan)式真(zhen)(zhen)空泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)利用(yong)率越來越普遍,其質(zhi)量也在提高(gao)。由(you)于其特性和優勢,它被(bei)每(mei)個人廣(guang)泛使(shi)(shi)用(yong)。為了讓大(da)(da)家(jia)更好地(di)使(shi)(shi)用(yong)它,讓我(wo)們一(yi)(yi)(yi)起(qi)學習干(gan)(gan)法(fa)吧,處理(li)真(zhen)(zhen)空泵(beng)(beng)(beng)中水(shui)量少(shao)的(de)(de)(de)(de)(de)(de)方法(fa)有(you)哪些? 干(gan)(gan)式真(zhen)(zhen)空泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)應用(yong)范圍很(hen)廣(guang),有(you)些機組(zu)在供水(shui)和排水(shui)方面(mian)有(you)更多的(de)(de)(de)(de)(de)(de)應用(yong)。干(gan)(gan)式真(zhen)(zhen)空泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)設計和改進具有(you)節(jie)能(neng)優勢。一(yi)(yi)(yi)般來說,故障(zhang)(zhang)率很(hen)低,但是需(xu)要定(ding)期檢(jian)查(cha)和維(wei)護以確(que)保(bao)(bao)泵(beng)(beng)(beng)正(zheng)(zheng)常(chang)運(yun)行(xing)(xing)。干(gan)(gan)式真(zhen)(zhen)空泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)正(zheng)(zheng)常(chang)故障(zhang)(zhang)是找出故障(zhang)(zhang)原因。建(jian)(jian)議(yi)用(yong)戶(hu)首先檢(jian)查(cha)此時(shi)運(yun)行(xing)(xing)的(de)(de)(de)(de)(de)(de)泵(beng)(beng)(beng)電(dian)流與正(zheng)(zheng)常(chang)運(yun)行(xing)(xing)的(de)(de)(de)(de)(de)(de)泵(beng)(beng)(beng)電(dian)流之間的(de)(de)(de)(de)(de)(de)差(cha)異。如(ru)果(guo)(guo)(guo)小于正(zheng)(zheng)常(chang)運(yun)行(xing)(xing)時(shi)間,則會(hui)(hui)發(fa)生諸如(ru)葉輪磨損(sun)和泵(beng)(beng)(beng)頭(tou)止回閥堵塞的(de)(de)(de)(de)(de)(de)問題。如(ru)果(guo)(guo)(guo)電(dian)流與通常(chang)一(yi)(yi)(yi)樣大(da)(da),則管接(jie)頭(tou),管和泵(beng)(beng)(beng)體會(hui)(hui)泄漏(lou);如(ru)果(guo)(guo)(guo)該電(dian)流大(da)(da)于正(zheng)(zheng)常(chang)運(yun)行(xing)(xing)期間的(de)(de)(de)(de)(de)(de)電(dian)流,則可(ke)以確(que)定(ding)是易損(sun)部件的(de)(de)(de)(de)(de)(de)磨損(sun)。同樣,如(ru)果(guo)(guo)(guo)電(dian)纜損(sun)壞,則水(shui)量將與往常(chang)一(yi)(yi)(yi)樣大(da)(da),但電(dian)流會(hui)(hui)增加。三臺380V電(dian)機的(de)(de)(de)(de)(de)(de)電(dian)流一(yi)(yi)(yi)般為2.2A,用(yong)戶(hu)可(ke)以一(yi)(yi)(yi)一(yi)(yi)(yi)找出原因,消除故障(zhang)(zhang)。建(jian)(jian)議(yi)用(yong)戶(hu)對干(gan)(gan)式真(zhen)(zhen)空泵(beng)(beng)(beng)進行(xing)(xing)定(ding)期維(wei)護并保(bao)(bao)存記錄,以便節(jie)省下一(yi)(yi)(yi)次維(wei)護的(de)(de)(de)(de)(de)(de)基(ji)礎并節(jie)省維(wei)護時(shi)間。 上面(mian)是關于處理(li)干(gan)(gan)式真(zhen)(zhen)空泵(beng)(beng)(beng)水(shui)量少(shao)的(de)(de)(de)(de)(de)(de)方法(fa)。您可(ke)以理(li)解(jie),正(zheng)(zheng)確(que)的(de)(de)(de)(de)(de)(de)操(cao)作方法(fa)可(ke)以在使(shi)(shi)用(yong)過程中取(qu)得良好的(de)(de)(de)(de)(de)(de)效果(guo)(guo)(guo)。
4
2021
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06
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11
水(shui)(shui)(shui)(shui)環(huan)真(zhen)空(kong)(kong)(kong)泵的(de)(de)(de)(de)要求是(shi)(shi)(shi)不能泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)。一(yi)旦漏(lou)(lou)(lou)(lou)(lou)(lou)氣(qi)(qi),很容易混入空(kong)(kong)(kong)氣(qi)(qi)或(huo)其他雜質(zhi),造(zao)成真(zhen)空(kong)(kong)(kong)度下降(jiang)。有(you)(you)些(xie)(xie)地方(fang)(fang)也是(shi)(shi)(shi)我(wo)(wo)們經(jing)(jing)常檢(jian)(jian)查(cha)的(de)(de)(de)(de)地方(fang)(fang),尤其是(shi)(shi)(shi)一(yi)些(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)點(dian)(dian),是(shi)(shi)(shi)我(wo)(wo)們經(jing)(jing)常檢(jian)(jian)查(cha)的(de)(de)(de)(de)地方(fang)(fang)。我(wo)(wo)們應該如何檢(jian)(jian)測它的(de)(de)(de)(de)漏(lou)(lou)(lou)(lou)(lou)(lou)點(dian)(dian)? 1、小漏(lou)(lou)(lou)(lou)(lou)(lou)和微(wei)(wei)漏(lou)(lou)(lou)(lou)(lou)(lou)的(de)(de)(de)(de)查(cha)找(zhao)(zhao) 小泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)和微(wei)(wei)泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)更難發現(xian)(xian)(xian)。常用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)方(fang)(fang)法是(shi)(shi)(shi)使(shi)用(yong)(yong)(yong)(yong)水(shui)(shui)(shui)(shui)環(huan)真(zhen)空(kong)(kong)(kong)泵電離(li)(li)管在(zai)丙酮(tong)或(huo)乙(yi)醇等高(gao)真(zhen)空(kong)(kong)(kong)條件下檢(jian)(jian)測泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)。用(yong)(yong)(yong)(yong)注射器噴(pen)(pen)丙酮(tong)或(huo)用(yong)(yong)(yong)(yong)乙(yi)醇噴(pen)(pen)到(dao)泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)點(dian)(dian)時(shi),電離(li)(li)計上的(de)(de)(de)(de)指(zhi)示器會出現(xian)(xian)(xian)明顯(xian)的(de)(de)(de)(de)波動。一(yi)定要等到(dao)離(li)(li)子計指(zhi)示穩(wen)定,即抽(chou)氣(qi)(qi)量和空(kong)(kong)(kong)水(shui)(shui)(shui)(shui)環(huan)泵漏(lou)(lou)(lou)(lou)(lou)(lou)率平衡后,再噴(pen)(pen)。建議是(shi)(shi)(shi)重(zhong)復(fu)幾次以(yi)確(que)(que)認缺(que)失(shi)的(de)(de)(de)(de)點(dian)(dian)。 2、內漏(lou)(lou)(lou)(lou)(lou)(lou)和外漏(lou)(lou)(lou)(lou)(lou)(lou)的(de)(de)(de)(de)查(cha)找(zhao)(zhao) 內部(bu)(bu)泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)主要發生在(zai)帶(dai)水(shui)(shui)(shui)(shui)冷(leng)夾套的(de)(de)(de)(de)水(shui)(shui)(shui)(shui)環(huan)真(zhen)空(kong)(kong)(kong)泵設(she)備(bei)中。檢(jian)(jian)查(cha)外漏(lou)(lou)(lou)(lou)(lou)(lou)沒(mei)有(you)(you)發現(xian)(xian)(xian)任(ren)何疑問,但有(you)(you)以(yi)下現(xian)(xian)(xian)象:機械(xie)泵抽(chou)速明顯(xian)偏低(di),真(zhen)空(kong)(kong)(kong)表值(zhi)偏低(di),機械(xie)泵油液快速乳化。真(zhen)空(kong)(kong)(kong)室中的(de)(de)(de)(de)鐵基零件明顯(xian)腐蝕。如果(guo)滿足上述條件,則可(ke)(ke)以(yi)確(que)(que)定內部(bu)(bu)泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)。先清洗(xi)內壁,然后再流(liu)過(guo)冷(leng)卻水(shui)(shui)(shui)(shui),看是(shi)(shi)(shi)否有(you)(you)濕點(dian)(dian),濕點(dian)(dian)是(shi)(shi)(shi)漏(lou)(lou)(lou)(lou)(lou)(lou)水(shui)(shui)(shui)(shui)。 3、較大的(de)(de)(de)(de)漏(lou)(lou)(lou)(lou)(lou)(lou)點(dian)(dian) 對于較大的(de)(de)(de)(de)泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou),可(ke)(ke)以(yi)使(shi)用(yong)(yong)(yong)(yong)火(huo)(huo)焰(yan)法。利用(yong)(yong)(yong)(yong)氣(qi)(qi)流(liu)可(ke)(ke)以(yi)偏轉(zhuan)火(huo)(huo)焰(yan)的(de)(de)(de)(de)原理(li),先抽(chou)真(zhen)空(kong)(kong)(kong)。例如,使(shi)用(yong)(yong)(yong)(yong)蠟(la)燭或(huo)打火(huo)(huo)機在(zai)可(ke)(ke)疑位置附(fu)近逐漸搜索。您(nin)會發現(xian)(xian)(xian)火(huo)(huo)焰(yan)已(yi)經(jing)(jing)轉(zhuan)移到(dao)泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)處,您(nin)可(ke)(ke)以(yi)找(zhao)(zhao)到(dao)泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)處。 如果(guo)您(nin)覺得水(shui)(shui)(shui)(shui)環(huan)真(zhen)空(kong)(kong)(kong)泵漏(lou)(lou)(lou)(lou)(lou)(lou)水(shui)(shui)(shui)(shui),我(wo)(wo)們可(ke)(ke)以(yi)通過(guo)檢(jian)(jian)測漏(lou)(lou)(lou)(lou)(lou)(lou)水(shui)(shui)(shui)(shui)來檢(jian)(jian)測。幫助我(wo)(wo)們檢(jian)(jian)測這些(xie)(xie)地方(fang)(fang)是(shi)(shi)(shi)否有(you)(you)任(ren)何泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)。一(yi)旦發現(xian)(xian)(xian)泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou),立即修(xiu)復(fu)泄(xie)(xie)(xie)漏(lou)(lou)(lou)(lou)(lou)(lou)并安裝密封件。
5
2021
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06
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29
水(shui)(shui)環(huan)真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng)(簡稱水(shui)(shui)環(huan)泵(beng)(beng)(beng))是(shi)一(yi)(yi)種粗真(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)(beng),它(ta)所能獲(huo)(huo)得的(de)(de)極限真(zhen)(zhen)空(kong)(kong)(kong)為2000~4000Pa,串聯大(da)氣(qi)(qi)噴射器(qi)可達270~670Pa。水(shui)(shui)環(huan)泵(beng)(beng)(beng)也可用(yong)作(zuo)(zuo)壓(ya)(ya)(ya)(ya)縮(suo)機(ji),稱為水(shui)(shui)環(huan)式壓(ya)(ya)(ya)(ya)縮(suo)機(ji),是(shi)屬于(yu)低壓(ya)(ya)(ya)(ya)的(de)(de)壓(ya)(ya)(ya)(ya)縮(suo)機(ji),其壓(ya)(ya)(ya)(ya)力(li)范(fan)圍(wei)為1~2×105Pa表壓(ya)(ya)(ya)(ya)力(li)。水(shui)(shui)環(huan)泵(beng)(beng)(beng)最(zui)初(chu)用(yong)作(zuo)(zuo)自吸水(shui)(shui)泵(beng)(beng)(beng),而后逐(zhu)漸(jian)用(yong)于(yu)石(shi)油、化工、機(ji)械、礦山、輕工、醫藥及食品等(deng)(deng)許多(duo)工業部(bu)門(men)。在(zai)工業生產的(de)(de)許多(duo)工藝過程中(zhong)(zhong),如真(zhen)(zhen)空(kong)(kong)(kong)過濾、真(zhen)(zhen)空(kong)(kong)(kong)引水(shui)(shui)、真(zhen)(zhen)空(kong)(kong)(kong)送(song)料、真(zhen)(zhen)空(kong)(kong)(kong)蒸(zheng)發(fa)、真(zhen)(zhen)空(kong)(kong)(kong)濃縮(suo)、真(zhen)(zhen)空(kong)(kong)(kong)回潮和真(zhen)(zhen)空(kong)(kong)(kong)脫氣(qi)(qi)等(deng)(deng),水(shui)(shui)環(huan)泵(beng)(beng)(beng)得到廣泛的(de)(de)應用(yong)。 由(you)(you)于(yu)真(zhen)(zhen)空(kong)(kong)(kong)應用(yong)技術(shu)的(de)(de)飛(fei)躍發(fa)展,水(shui)(shui)環(huan)泵(beng)(beng)(beng)在(zai)粗真(zhen)(zhen)空(kong)(kong)(kong)獲(huo)(huo)得方(fang)面(mian)(mian)一(yi)(yi)直(zhi)被人們所重視。由(you)(you)于(yu)水(shui)(shui)環(huan)泵(beng)(beng)(beng)中(zhong)(zhong)氣(qi)(qi)體(ti)(ti)(ti)(ti)壓(ya)(ya)(ya)(ya)縮(suo)是(shi)等(deng)(deng)溫的(de)(de),故可抽除易燃、易爆(bao)的(de)(de)氣(qi)(qi)體(ti)(ti)(ti)(ti),此(ci)外還(huan)可抽除含(han)塵、含(han)水(shui)(shui)的(de)(de)氣(qi)(qi)體(ti)(ti)(ti)(ti),因此(ci),水(shui)(shui)環(huan)泵(beng)(beng)(beng)應用(yong)日益(yi)增多(duo)。在(zai)泵(beng)(beng)(beng)體(ti)(ti)(ti)(ti)中(zhong)(zhong)裝有適量(liang)的(de)(de)水(shui)(shui)作(zuo)(zuo)為工作(zuo)(zuo)液。當(dang)葉(xie)(xie)輪(lun)(lun)按順(shun)時(shi)(shi)(shi)針方(fang)向旋(xuan)轉(zhuan)時(shi)(shi)(shi),水(shui)(shui)被葉(xie)(xie)輪(lun)(lun)拋(pao)向四周,由(you)(you)于(yu)離心力(li)的(de)(de)作(zuo)(zuo)用(yong),水(shui)(shui)形(xing)(xing)(xing)成了一(yi)(yi)個(ge)決定于(yu)泵(beng)(beng)(beng)腔形(xing)(xing)(xing)狀(zhuang)的(de)(de)近似于(yu)等(deng)(deng)厚度的(de)(de)封(feng)閉圓(yuan)環(huan)。水(shui)(shui)環(huan)的(de)(de)下部(bu)分內(nei)表面(mian)(mian)恰(qia)好與(yu)葉(xie)(xie)輪(lun)(lun)輪(lun)(lun)轂相切,水(shui)(shui)環(huan)的(de)(de)上部(bu)內(nei)表面(mian)(mian)剛好與(yu)葉(xie)(xie)片頂端(duan)接(jie)觸(chu)(實際上葉(xie)(xie)片在(zai)水(shui)(shui)環(huan)內(nei)有一(yi)(yi)定的(de)(de)插入深度)。此(ci)時(shi)(shi)(shi)葉(xie)(xie)輪(lun)(lun)輪(lun)(lun)轂與(yu)水(shui)(shui)環(huan)之間形(xing)(xing)(xing)成一(yi)(yi)個(ge)月牙(ya)形(xing)(xing)(xing)空(kong)(kong)(kong)間,而這(zhe)一(yi)(yi)空(kong)(kong)(kong)間又被葉(xie)(xie)輪(lun)(lun)分成和葉(xie)(xie)片數目(mu)相等(deng)(deng)的(de)(de)若干個(ge)小(xiao)腔。 如果以(yi)葉(xie)(xie)輪(lun)(lun)的(de)(de)下部(bu)0°為起點,那么葉(xie)(xie)輪(lun)(lun)在(zai)旋(xuan)轉(zhuan)前180°時(shi)(shi)(shi)小(xiao)腔的(de)(de)容積由(you)(you)小(xiao)變大(da),且與(yu)端(duan)面(mian)(mian)上的(de)(de)吸氣(qi)(qi)口(kou)相通,此(ci)時(shi)(shi)(shi)氣(qi)(qi)體(ti)(ti)(ti)(ti)被吸入,當(dang)吸氣(qi)(qi)終了時(shi)(shi)(shi)小(xiao)腔則與(yu)吸氣(qi)(qi)口(kou)隔絕;當(dang)葉(xie)(xie)輪(lun)(lun)繼續旋(xuan)轉(zhuan)時(shi)(shi)(shi),小(xiao)腔由(you)(you)大(da)變小(xiao),使氣(qi)(qi)體(ti)(ti)(ti)(ti)被壓(ya)(ya)(ya)(ya)縮(suo);當(dang)...