掃一掃,加微信
聯系客服,馬上詢價
發布時間:2021-06-01 15:02:51 人氣:159806 來源:川工密封
托克遜泵用托克遜機械密封的O型圈為什么會泄漏失效?一般來說,原因可以從泵的托克遜機械密封的(de)安裝、使用條(tiao)件、運(yun)行(xing)速度(du)和停機故障等(deng)方面(mian)進行(xing)監測(ce)原(yuan)因。
一、安裝靜(jing)態(tai)試驗(yan)時(shi)的泄漏?
托克遜泵用托克遜機械密封安(an)裝調試后,一般需要進(jin)行靜態試驗,觀察(cha)泄(xie)漏(lou)(lou)情況。如(ru)(ru)(ru)(ru)果泄(xie)漏(lou)(lou)量(liang)小,動(dong)(dong)(dong)環(huan)(huan)或靜環(huan)(huan)密封圈有(you)(you)(you)(you)問(wen)題;當泄(xie)漏(lou)(lou)量(liang)較大時(shi),表明(ming)動(dong)(dong)(dong)靜環(huan)(huan)摩(mo)擦(ca)副之間(jian)存(cun)(cun)在問(wen)題。在初(chu)步(bu)觀察(cha)泄(xie)漏(lou)(lou)量(liang)和判(pan)斷(duan)泄(xie)漏(lou)(lou)位置的(de)基礎(chu)上,手動(dong)(dong)(dong)轉(zhuan)動(dong)(dong)(dong)O形圈進(jin)行觀察(cha)。如(ru)(ru)(ru)(ru)果泄(xie)漏(lou)(lou)量(liang)沒有(you)(you)(you)(you)明(ming)顯變(bian)化(hua),說明(ming)動(dong)(dong)(dong)靜環(huan)(huan)密封有(you)(you)(you)(you)問(wen)題;如(ru)(ru)(ru)(ru)果轉(zhuan)動(dong)(dong)(dong)時(shi)泄(xie)漏(lou)(lou)量(liang)有(you)(you)(you)(you)明(ming)顯變(bian)化(hua),可以斷(duan)定動(dong)(dong)(dong)環(huan)(huan)和靜環(huan)(huan)的(de)摩(mo)擦(ca)副有(you)(you)(you)(you)問(wen)題;如(ru)(ru)(ru)(ru)果是沿軸向噴漏(lou)(lou)介質,動(dong)(dong)(dong)環(huan)(huan)密封環(huan)(huan)(O型環(huan)(huan))存(cun)(cun)在很多問(wen)題,如(ru)(ru)(ru)(ru)果是周(zhou)圍噴漏(lou)(lou)介質或從水冷孔(kong)漏(lou)(lou)出(chu),多半是靜環(huan)(huan)密封環(huan)(huan)失效。
二、試運(yun)的滲漏?
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,試運行時托克遜機械密封的(de)泄漏,基(ji)本上(shang)是在軸與端(duan)蓋之(zhi)間(jian)的(de)密封失效消除(chu)后,動(dong)靜環之(zhi)間(jian)的(de)摩(mo)擦(ca)副損壞造成(cheng)的(de)。
三、停電還是停機?
離心泵正常運行過程中O型圈(quan)(quan)突(tu)(tu)然泄漏,如(ru)果不(bu)及時發(fa)現,往(wang)往(wang)會導(dao)致重大事故或損(sun)失,應引起重視并(bing)采取有效(xiao)措施。特別是突(tu)(tu)然停電(dian)造成的事故,必(bi)須準備(bei)好電(dian)源O型圈(quan)(quan)。
最后提醒大家,泵使用托克遜機械密封時(shi),一次泄漏(lou)和二次泄漏(lou)是有區別(bie)的。只(zhi)要仔(zi)細觀察,熟(shu)悉結構,就(jiu)能做(zuo)出正確的判(pan)斷。