湟中泵用湟中機械密封的O型圈為什么會泄漏失效？一般來說，原因可以從泵的湟中機械密封的安裝(zhuang)、使用條件、運行速度(du)和停(ting)機(ji)故障(zhang)等(deng)方面(mian)進行監測原因。

　　一、安裝靜態試驗(yan)時的泄漏？

　　湟中泵用湟中機械密封安裝(zhuang)調試后，一般需要(yao)進行靜(jing)(jing)(jing)態試驗，觀察泄(xie)漏(lou)(lou)(lou)情況。如(ru)果(guo)泄(xie)漏(lou)(lou)(lou)量(liang)小(xiao)，動(dong)(dong)(dong)環(huan)(huan)(huan)(huan)(huan)或(huo)靜(jing)(jing)(jing)環(huan)(huan)(huan)(huan)(huan)密(mi)封(feng)圈有(you)問(wen)題；當泄(xie)漏(lou)(lou)(lou)量(liang)較大時，表明(ming)(ming)動(dong)(dong)(dong)靜(jing)(jing)(jing)環(huan)(huan)(huan)(huan)(huan)摩擦副之間存(cun)在問(wen)題。在初步觀察泄(xie)漏(lou)(lou)(lou)量(liang)和判斷(duan)泄(xie)漏(lou)(lou)(lou)位置的(de)基(ji)礎(chu)上(shang)，手動(dong)(dong)(dong)轉(zhuan)動(dong)(dong)(dong)O形圈進行觀察。如(ru)果(guo)泄(xie)漏(lou)(lou)(lou)量(liang)沒(mei)有(you)明(ming)(ming)顯變化，說明(ming)(ming)動(dong)(dong)(dong)靜(jing)(jing)(jing)環(huan)(huan)(huan)(huan)(huan)密(mi)封(feng)有(you)問(wen)題；如(ru)果(guo)轉(zhuan)動(dong)(dong)(dong)時泄(xie)漏(lou)(lou)(lou)量(liang)有(you)明(ming)(ming)顯變化，可以斷(duan)定動(dong)(dong)(dong)環(huan)(huan)(huan)(huan)(huan)和靜(jing)(jing)(jing)環(huan)(huan)(huan)(huan)(huan)的(de)摩擦副有(you)問(wen)題；如(ru)果(guo)是(shi)(shi)(shi)沿(yan)軸向(xiang)噴(pen)漏(lou)(lou)(lou)介質(zhi)，動(dong)(dong)(dong)環(huan)(huan)(huan)(huan)(huan)密(mi)封(feng)環(huan)(huan)(huan)(huan)(huan)(O型(xing)環(huan)(huan)(huan)(huan)(huan))存(cun)在很多(duo)問(wen)題，如(ru)果(guo)是(shi)(shi)(shi)周圍噴(pen)漏(lou)(lou)(lou)介質(zhi)或(huo)從水(shui)冷孔漏(lou)(lou)(lou)出(chu)，多(duo)半(ban)是(shi)(shi)(shi)靜(jing)(jing)(jing)環(huan)(huan)(huan)(huan)(huan)密(mi)封(feng)環(huan)(huan)(huan)(huan)(huan)失(shi)效(xiao)。

　　二、試運的滲漏(lou)？

　　靜態試驗后，O型圈高速旋轉產生的離心力會抑制介質的泄漏。因此，試運行時湟中機械密封的泄漏，基(ji)本上是在軸(zhou)與端蓋(gai)之間的密(mi)封(feng)失效消除后，動靜環(huan)之間的摩擦副損壞造成的。

　　三(san)、停電還是停機(ji)？

　　離心(xin)泵正常(chang)運行過程中(zhong)O型圈(quan)突(tu)然泄漏，如果(guo)不及時發現，往往會(hui)導致重(zhong)(zhong)大事(shi)故或損失，應引(yin)起重(zhong)(zhong)視并采取(qu)有效措施。特別是突(tu)然停電(dian)造成的(de)事(shi)故，必須準備好電(dian)源O型圈(quan)。

　　最后提醒大家，泵使用湟中機械密封時(shi)，一次泄漏(lou)和二次泄漏(lou)是有區別的。只(zhi)要仔細觀察，熟悉(xi)結構(gou)，就能做出(chu)正確的判(pan)斷。