發布時間:2026-04-23 05:45:41 人氣:247567 來源:
泵類博望機械密封不嚴,產生介質泄漏現象後,將直接威脅石化裝置的安全性。產生泄漏的原因有以下幾方麵;
一是人為操作因素影響
mifenganzhuangguochengzhong,gongzuorenyuanweiguifanjinxingshebeimifengxingnengdejiashuihuojingyashiyan,wufaquebaomifengxingneng。mifenghuanyajinyumifenghuancunzaiyiwuhuomifengshousundengyuanyin,douhuiyinqijiezhixielu。
二是環境變化因素影響
石化裝置的生產環境複雜,環境變化也會直接影響密封性能。裝置震動會促使內部密封環等部件發生脫落;溫度變化會促使動靜環產生縫隙;出現憋壓或氣蝕現象,也會對密封環產生氣化等形式的衝擊,從而出現不同範圍的泄露問題。
三是密封受壓影響因素
零(ling)部(bu)件(jian)受(shou)力(li)不(bu)均(jun)勻(yun)或(huo)受(shou)到(dao)熱(re)量(liang)衝(chong)擊(ji)的(de)影(ying)響(xiang)等(deng)情(qing)況(kuang)下(xia),易(yi)發(fa)生(sheng)密(mi)封(feng)裝(zhuang)置(zhi)損(sun)壞(huai)後(hou)泄(xie)露(lu)的(de)問(wen)題(ti)。為(wei)提(ti)高(gao)泵(beng)類(lei)機(ji)械(xie)的(de)應(ying)用(yong)價(jia)值(zhi),避(bi)免(mian)介(jie)質(zhi)泄(xie)露(lu)引(yin)起(qi)的(de)生(sheng)產(chan)事(shi)故(gu),加(jia)強(qiang)密(mi)封(feng)改(gai)進(jin)的(de)研(yan)究(jiu)意(yi)義(yi)重(zhong)大(da)。
泵類機械的密封裝置優化對策

合理選用密封材料
密封材料直接影響博望機械密封效xiao果guo,當dang動dong靜jing環huan的de材cai料liao強qiang度du不bu達da標biao時shi,受shou環huan境jing變bian化hua因yin素su的de影ying響xiang較jiao大da,更geng易yi產chan生sheng泄xie露lu的de問wen題ti。在zai現xian代dai科ke技ji發fa展zhan帶dai動dong下xia,材cai料liao的de種zhong類lei與yu性xing能neng得de到dao了le飛fei速su的de發fa展zhan,密mi封feng裝zhuang置zhi的de材cai料liao更geng具ju有you選xuan擇ze性xing。傳chuan統tong密mi封feng裝zhuang置zhi以yi碳tan石shi墨mo的de密mi封feng材cai料liao為wei主zhu,利li用yong硬ying質zhi合he金jin與yu軟ruan質zhi材cai料liao結jie合he設she計ji成cheng密mi封feng裝zhuang置zhi,如ru博望機械密封的de密mi封feng圈quan,有you聚ju四si氟fu乙yi烯xi與yu合he成cheng橡xiang膠jiao等deng類lei型xing的de材cai料liao,但dan應ying用yong效xiao果guo不bu盡jin理li想xiang,受shou環huan境jing變bian化hua的de影ying響xiang較jiao大da。材cai料liao生sheng產chan技ji術shu飛fei速su發fa展zhan,納na米mi材cai料liao與yu自zi潤run滑hua合he金jin等deng高gao性xing能neng的de材cai料liao應ying運yun而er生sheng,利li用yong自zi身shen的de熔rong點dian低di與yu潤run性xing能neng高gao等deng優you勢shi特te征zheng,運yun用yong在zai密mi封feng裝zhuang置zhi設she計ji中zhong,更geng利li於yu提ti高gao泵beng類lei機ji械xie的de密mi封feng穩wen定ding性xing,促cu使shi泵beng類lei機ji械xie安an全quan可ke靠kao運yun行xing。
強化密封控製能力
本著“引進來與走出去”原yuan則ze,多duo在zai實shi踐jian總zong結jie基ji礎chu上shang加jia強qiang新xin技ji術shu與yu新xin材cai料liao的de引yin入ru,以yi切qie實shi提ti高gao機ji械xie的de密mi封feng能neng力li。尤you其qi是shi利li用yong非fei接jie觸chu式shi或huo回hui流liu式shi等deng密mi封feng控kong製zhi技ji術shu,能neng夠gou有you效xiao改gai善shan密mi封feng效xiao果guo。回hui流liu式shi密mi封feng技ji術shu能neng夠gou通tong過guo優you化hua回hui流liu路lu徑jing的de途tu徑jing,改gai變bian以yi往wang的de機ji械xie流liu體ti泄xie漏lou過guo程cheng,通tong過guo機ji械xie傳chuan導dao的de作zuo用yong,將jiang外wai泄xie流liu體ti自zi動dong回hui流liu。當dang密mi封feng裝zhuang置zhi的de作zuo用yong發fa揮hui受shou限xian時shi,回hui流liu式shi技ji術shu會hui通tong過guo引yin流liu策ce略lve,促cu使shi外wai泄xie流liu體ti重zhong回hui到dao機ji械xie內nei。從cong非fei接jie觸chu式shi密mi封feng技ji術shu入ru手shou分fen析xi,主zhu要yao是shi對dui動dong靜jing環huan的de接jie觸chu端duan麵mian調tiao整zheng後hou,建jian立li新xin的de博望機械密封體(ti)係(xi),介(jie)質(zhi)泄(xie)露(lu)後(hou)會(hui)受(shou)動(dong)靜(jing)壓(ya)的(de)影(ying)響(xiang),在(zai)密(mi)封(feng)端(duan)麵(mian)中(zhong)穿(chuan)梭(suo),通(tong)過(guo)流(liu)體(ti)流(liu)動(dong)方(fang)式(shi)形(xing)成(cheng)流(liu)體(ti)膜(mo),以(yi)往(wang)的(de)動(dong)靜(jing)環(huan)位(wei)置(zhi)同(tong)時(shi)發(fa)生(sheng)變(bian)化(hua)。而(er)流(liu)體(ti)膜(mo)能(neng)夠(gou)控(kong)製(zhi)流(liu)體(ti)流(liu)動(dong)方(fang)向(xiang),可(ke)防(fang)止(zhi)動(dong)靜(jing)環(huan)發(fa)生(sheng)磨(mo)損(sun),從(cong)而(er)進(jin)一(yi)步(bu)強(qiang)化(hua)耐(nai)受(shou)力(li)與(yu)密(mi)封(feng)能(neng)力(li)。
優化管理方式
bengleijixiejiezhixieluyeshiguanlibudaoweidezhijietixian,chuheliyunyongxinjishuyuxincailiaowai,haixujiaqiangduiguanlifangshideyouhua。xugenjujiezhixieludeyuanyinyutezhengdengqingkuang,jinyibuzhidingyuwanshankuaisujianyanchulijizhi,duigongzuorenyuandejianzhaweixiugeiyugengduodexinxizhichi,yijishichulimifengnenglibuzudewenti。zaiguanlizhongshouxianxushedingchuliguize,baokuokongzhidongjinghuanjiandemocamianjiyuruanyingzhicailiaojiandemifengmianjigaodijidongjinghuanneijingchicundeng,quebaoqimifengzhuangzhineibuzhouzhendongnengjishidedaotiaozhengyubuchang。qici,yingdangtigaogongzuorenyuandejianxiunengli,guancheluoshichediyudaoweijianxiudeyuanze,yaoqiugongzuorenyuanjishipanduanguzhangleixing,guanchajixieneibubianhuaqingkuang,lejiedongjinghuanduanmianbianxingdeyuanyin,jishicaiqugenghuanduanmiandengcuoshijinxingchuli。
建立維修數據庫
故gu障zhang與yu檢jian修xiu信xin息xi的de共gong享xiang共gong建jian,更geng利li於yu維wei護hu工gong作zuo的de正zheng常chang進jin行xing,因yin此ci應ying當dang積ji極ji設she立li維wei修xiu數shu據ju庫ku,全quan麵mian應ying用yong新xin技ji術shu與yu新xin材cai料liao等deng信xin息xi。同tong時shi幫bang助zhu工gong作zuo人ren員yuan深shen入ru了le解jie與yu學xue習xi維wei護hu與yu管guan理li方fang麵mian的de內nei容rong,尤you其qi是shi維wei修xiu案an例li的de學xue習xi,更geng利li於yu提ti高gao檢jian修xiu人ren員yuan的de專zhuan業ye知zhi識shi技ji能neng水shui平ping。