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發布時(shi)間:2021-06-01 15:02:51 人氣:161316 來源:川工(gong)密封
佳木斯泵用佳木斯機械密封的O型圈為什么會泄漏失效?一般來說,原因可以從泵的佳木斯機械密封的安裝(zhuang)、使用(yong)條件(jian)、運行(xing)速度和停機故障等方(fang)面進行(xing)監測原(yuan)因。
一、安裝靜態試驗時的泄漏?
佳木斯泵用佳木斯機械密封安裝(zhuang)調(diao)試后,一般需要(yao)進行(xing)靜(jing)態試驗,觀(guan)察(cha)泄漏(lou)(lou)(lou)情況。如(ru)(ru)果泄漏(lou)(lou)(lou)量(liang)小,動(dong)(dong)環(huan)(huan)(huan)(huan)(huan)或靜(jing)環(huan)(huan)(huan)(huan)(huan)密(mi)封圈(quan)有(you)(you)問題(ti)(ti);當泄漏(lou)(lou)(lou)量(liang)較(jiao)大時,表(biao)明(ming)動(dong)(dong)靜(jing)環(huan)(huan)(huan)(huan)(huan)摩(mo)擦副(fu)之間存(cun)在(zai)(zai)問題(ti)(ti)。在(zai)(zai)初(chu)步觀(guan)察(cha)泄漏(lou)(lou)(lou)量(liang)和(he)判斷泄漏(lou)(lou)(lou)位(wei)置的基礎(chu)上,手動(dong)(dong)轉(zhuan)動(dong)(dong)O形(xing)圈(quan)進行(xing)觀(guan)察(cha)。如(ru)(ru)果泄漏(lou)(lou)(lou)量(liang)沒有(you)(you)明(ming)顯變(bian)化(hua),說明(ming)動(dong)(dong)靜(jing)環(huan)(huan)(huan)(huan)(huan)密(mi)封有(you)(you)問題(ti)(ti);如(ru)(ru)果轉(zhuan)動(dong)(dong)時泄漏(lou)(lou)(lou)量(liang)有(you)(you)明(ming)顯變(bian)化(hua),可以斷定動(dong)(dong)環(huan)(huan)(huan)(huan)(huan)和(he)靜(jing)環(huan)(huan)(huan)(huan)(huan)的摩(mo)擦副(fu)有(you)(you)問題(ti)(ti);如(ru)(ru)果是沿軸向噴漏(lou)(lou)(lou)介質(zhi),動(dong)(dong)環(huan)(huan)(huan)(huan)(huan)密(mi)封環(huan)(huan)(huan)(huan)(huan)(O型環(huan)(huan)(huan)(huan)(huan))存(cun)在(zai)(zai)很多問題(ti)(ti),如(ru)(ru)果是周圍噴漏(lou)(lou)(lou)介質(zhi)或從水冷孔漏(lou)(lou)(lou)出(chu),多半是靜(jing)環(huan)(huan)(huan)(huan)(huan)密(mi)封環(huan)(huan)(huan)(huan)(huan)失效。
二(er)、試運的滲(shen)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,試運行時佳木斯機械密封的泄漏,基本上(shang)是在軸與端(duan)蓋之(zhi)間(jian)的密封失(shi)效消除后(hou),動靜環之(zhi)間(jian)的摩擦(ca)副損(sun)壞造成的。
三、停(ting)電還是停(ting)機?
離心泵正常(chang)運行過(guo)程中O型圈突(tu)然(ran)泄漏,如果(guo)不及時發(fa)現,往(wang)往(wang)會導致重(zhong)大事故或損(sun)失,應引起重(zhong)視(shi)并采取有(you)效(xiao)措施(shi)。特別是突(tu)然(ran)停電(dian)造成的事故,必須準備(bei)好電(dian)源O型圈。
最后提醒大家,泵使用佳木斯機械密封時,一次泄漏和(he)二次泄漏是有區別的。只要(yao)仔細(xi)觀察,熟悉結構(gou),就能做出正確的判斷。