一.耐腐蝕離心泵運作中漏水詳細(xi)分析(xi)
1.安裝靜(jing)試時泄漏耐腐離(li)心泵機(ji)械密封(feng)安裝調試(shi)好后,一般要(yao)進(jin)行靜(jing)(jing)試(shi),觀察(cha)(cha)泄(xie)漏(lou)量。如泄(xie)漏(lou)量較小,多(duo)(duo)為動(dong)(dong)環(huan)(huan)(huan)或靜(jing)(jing)環(huan)(huan)(huan)密封(feng)圈(quan)存在(zai)(zai)問(wen)(wen)(wen)題(ti)(ti):泄(xie)漏(lou)量較大時(shi),則(ze)表明(ming)(ming)動(dong)(dong)、靜(jing)(jing)環(huan)(huan)(huan)摩(mo)擦(ca)副間存在(zai)(zai)問(wen)(wen)(wen)題(ti)(ti)。在(zai)(zai)初步觀察(cha)(cha)泄(xie)漏(lou)量、判斷(duan)泄(xie)漏(lou)部位(wei)的基(ji)礎上,再(zai)手動(dong)(dong)盤車(che)觀察(cha)(cha),若泄(xie)漏(lou)量無明(ming)(ming)顯變化則(ze)靜(jing)(jing)、動(dong)(dong)環(huan)(huan)(huan)密封(feng)圈(quan)有問(wen)(wen)(wen)題(ti)(ti):如盤車(che)時(shi)泄(xie)漏(lou)量有明(ming)(ming)顯變化則(ze)可斷(duan)定是(shi)動(dong)(dong)、靜(jing)(jing)環(huan)(huan)(huan)摩(mo)擦(ca)副存在(zai)(zai)問(wen)(wen)(wen)題(ti)(ti):如泄(xie)漏(lou)介質(zhi)沿軸(zhou)向噴射,則(ze)動(dong)(dong)環(huan)(huan)(huan)密封(feng)圈(quan)存在(zai)(zai)問(wen)(wen)(wen)題(ti)(ti)居多(duo)(duo),泄(xie)漏(lou)介質(zhi)向四周噴射或從水冷卻(que)孔中(zhong)漏(lou)出,則(ze)多(duo)(duo)為靜(jing)(jing)環(huan)(huan)(huan)密封(feng)圈(quan)失效。此外,泄(xie)漏(lou)通道也可同時(shi)存在(zai)(zai)。
2.試運(yun)轉時出現的泄漏耐(nai)腐蝕離心泵用(yong)機械密封經(jing)過(guo)靜(jing)試后,耐腐(fu)蝕泵運(yun)轉時(shi)高速旋轉產生的離心力,會抑(yi)制介質的泄漏(lou)。所(suo)以,試運(yun)轉時(shi)機械密封泄漏(lou)在排除軸間及端蓋密封失效后,基本都是由于(yu)動、靜(jing)環摩擦副受破(po)壞所(suo)致。
二.引起摩擦副密封失效的因素主要有
1.操作中,因抽空、氣蝕、憋壓等異常現象,引起較大的軸向力,使動、靜環接觸面分離;
2.對安裝機械密封時壓縮量過大,導致摩擦副端面嚴重磨損、擦傷;
3.耐腐(fu)蝕泵動(dong)(dong)環密封(feng)圈過緊,彈簧無法(fa)調(diao)整(zheng)動(dong)(dong)環的軸(zhou)向浮動(dong)(dong)量;
4.靜環密封圈過松,當動環軸向浮動時,靜環脫離靜環座;
5.工作介質中有顆粒狀物質,運轉中進人摩擦副,探傷動、靜環密封端面等。上述現象出現時,多數需要重新拆裝,更換密封。
-THE END-
版權【杰凱流體所有】 如(ru)涉及版權問題請及時聯系處(chu)理
立式離(li)心泵(beng)(beng)丨(shu)(shu)自(zi)(zi)吸式耐(nai)酸(suan)(suan)堿(jian)(jian)(jian)泵(beng)(beng)丨(shu)(shu)直立式耐(nai)酸(suan)(suan)堿(jian)(jian)(jian)泵(beng)(beng)丨(shu)(shu)耐(nai)酸(suan)(suan)堿(jian)(jian)(jian)自(zi)(zi)吸泵(beng)(beng)丨(shu)(shu)耐(nai)酸(suan)(suan)堿(jian)(jian)(jian)泵(beng)(beng)丨(shu)(shu)泵(beng)(beng)浦廠家丨(shu)(shu)杰凱流(liu)體
歡迎訪問東莞杰凱(kai)泵業(mcqzjd.com)