耐腐蝕化工泵是(shi)工業生(sheng)產(chan)中，對使用泵的統(tong)稱(cheng)，耐腐蝕化工泵(beng)常見的(de)有(you)耐(nai)腐蝕(shi)氟塑料(liao)化(hua)工(gong)(gong)(gong)(gong)泵，耐(nai)腐蝕(shi)不銹鋼(gang)化(hua)工(gong)(gong)(gong)(gong)泵，液下化(hua)工(gong)(gong)(gong)(gong)泵等(deng)等(deng)，用戶在使(shi)用耐(nai)腐蝕(shi)化(hua)工(gong)(gong)(gong)(gong)泵時，出現泄漏(lou)是(shi)很麻煩的(de)問題，需要解(jie)決這一問題首先需找出泄漏(lou)點(dian)，對(dui)于化(hua)工(gong)(gong)(gong)(gong)泵密封(feng)墊(dian)片和密封(feng)裝置失(shi)效(xiao)是(shi)化(hua)工(gong)(gong)(gong)(gong)泵泄漏(lou)的(de)直接原因(yin)，下面(mian)詳細介(jie)紹化(hua)工(gong)(gong)(gong)(gong)泵密封(feng)失(shi)效(xiao)原因(yin)有(you)哪(na)些：在化(hua)工(gong)(gong)(gong)(gong)泵中，由于所輸(shu)送(song)介(jie)質具(ju)有(you)腐蝕(shi)性(xing)，一旦密封(feng)墊(dian)圈(quan)失(shi)效(xiao)，危害(hai)有(you)非常大。所以(yi)，要十分(fen)重視耐(nai)腐蝕(shi)泵的(de)密封(feng)性(xing)，保證化(hua)工(gong)(gong)(gong)(gong)泵安全、正常工(gong)(gong)(gong)(gong)作。

1.耐腐蝕泵墊(dian)(dian)(dian)片(pian)的(de)材質(zhi)與所輸送(song)(song)的(de)介質(zhi)不(bu)相(xiang)適應(ying)。由(you)于化(hua)(hua)工泵所輸送(song)(song)化(hua)(hua)工產(chan)品化(hua)(hua)學性質(zhi)的(de)多樣(yang)性，以及為提高(gao)燃油(you)的(de)燃燒值，或改(gai)變(bian)其燃燒后(hou)的(de)生(sheng)(sheng)(sheng)成物，而(er)在燃油(you)中增(zeng)加入(ru)了一些少量的(de)添加劑(ji)后(hou)，使燃油(you)的(de)某些性質(zhi)發(fa)(fa)生(sheng)(sheng)(sheng)變(bian)化(hua)(hua)。所以選擇和(he)輸送(song)(song)介質(zhi)相(xiang)適的(de)墊(dian)(dian)(dian)片(pian)材質(zhi)并非易事，因(yin)而(er)也(ye)經常發(fa)(fa)生(sheng)(sheng)(sheng)由(you)于不(bu)相(xiang)適應(ying)，而(er)使化(hua)(hua)工泵墊(dian)(dian)(dian)片(pian)發(fa)(fa)生(sheng)(sheng)(sheng)侵(qin)蝕而(er)產(chan)生(sheng)(sheng)(sheng)泄漏的(de)現象。

2.作用在化工(gong)泵(beng)密(mi)(mi)(mi)封(feng)墊片(pian)(pian)上(shang)(shang)的壓(ya)(ya)力(li)不(bu)(bu)足。由(you)于(yu)密(mi)(mi)(mi)封(feng)面(mian)上(shang)(shang)總是存在著微(wei)觀的凹凸不(bu)(bu)平，有時還(huan)在密(mi)(mi)(mi)封(feng)面(mian)上(shang)(shang)加工(gong)出(chu)(chu)若干環形(xing)溝槽，若保證密(mi)(mi)(mi)封(feng)，就必須對密(mi)(mi)(mi)封(feng)墊片(pian)(pian)施(shi)加足夠大的壓(ya)(ya)力(li)，使(shi)(shi)其發生彈(dan)性(xing)或(huo)(huo)塑性(xing)變形(xing)以(yi)填充這些(xie)間隙。各(ge)種墊片(pian)(pian)材質的壓(ya)(ya)緊力(li)大小通(tong)常在密(mi)(mi)(mi)封(feng)墊片(pian)(pian)生產(chan)廠家樣本或(huo)(huo)產(chan)品(pin)說(shuo)明書中給出(chu)(chu)，也可(ke)通(tong)過實驗(yan)決定。由(you)于(yu)裝配(pei)時達不(bu)(bu)到墊片(pian)(pian)所需(xu)的壓(ya)(ya)緊力(li)，或(huo)(huo)由(you)于(yu)在常期運行中的振動使(shi)(shi)壓(ya)(ya)緊螺(luo)栓松動而(er)使(shi)(shi)壓(ya)(ya)緊力(li)降低(di)，以(yi)及由(you)于(yu)墊片(pian)(pian)材質的老化變形(xing)而(er)喪失(shi)原(yuan)來的彈(dan)性(xing)，都會使(shi)(shi)墊片(pian)(pian)失(shi)效而(er)產(chan)生泄(xie)漏。

3.化工泵墊(dian)片材質內部組織或厚度不(bu)均勻，以(yi)及(ji)使用了帶有裂縫(feng)或折(zhe)皺(zhou)的(de)紙(zhi)板。使墊(dian)片本身形成了間隙，當作用在墊(dian)片上的(de)力使墊(dian)片所(suo)產生的(de)彈性變形不(bu)足以(yi)完全填(tian)充這些(xie)間隙時，化工泵(beng)泄漏也就不(bu)可(ke)避免了。在化工泵(beng)的(de)墊(dian)圈選擇(ze)，安(an)裝，維護(hu)及(ji)保養的(de)過程中，都要加(jia)強安(an)全生產意識，避免化工泵(beng)墊(dian)圈失效的(de)情況(kuang)發(fa)生。

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