發布時間:2026-04-21 06:14:54 人氣:246447 來源:
泵類回民機械密封不嚴,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
密封材料直接影響回民機械密封xiaoguo,dangdongjinghuandecailiaoqiangdubudabiaoshi,shouhuanjingbianhuayinsudeyingxiangjiaoda,gengyichanshengxieludewenti。zaixiandaikejifazhandaidongxia,cailiaodezhongleiyuxingnengdedaolefeisudefazhan,mifengzhuangzhidecailiaogengjuyouxuanzexing。chuantongmifengzhuangzhiyitanshimodemifengcailiaoweizhu,liyongyingzhihejinyuruanzhicailiaojieheshejichengmifengzhuangzhi,ru回民機械密封的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回民機械密封體(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
泵(beng)類(lei)機(ji)械(xie)介(jie)質(zhi)泄(xie)露(lu)也(ye)是(shi)管(guan)理(li)不(bu)到(dao)位(wei)的(de)直(zhi)接(jie)體(ti)現(xian),除(chu)合(he)理(li)運(yun)用(yong)新(xin)技(ji)術(shu)與(yu)新(xin)材(cai)料(liao)外(wai),還(hai)需(xu)加(jia)強(qiang)對(dui)管(guan)理(li)方(fang)式(shi)的(de)優(you)化(hua)。需(xu)根(gen)據(ju)介(jie)質(zhi)泄(xie)露(lu)的(de)原(yuan)因(yin)與(yu)特(te)征(zheng)等(deng)情(qing)況(kuang),進(jin)一(yi)步(bu)製(zhi)定(ding)與(yu)完(wan)善(shan)快(kuai)速(su)檢(jian)驗(yan)處(chu)理(li)機(ji)製(zhi),對(dui)工(gong)作(zuo)人(ren)員(yuan)的(de)檢(jian)查(zha)維(wei)修(xiu)給(gei)予(yu)更(geng)多(duo)的(de)信(xin)息(xi)支(zhi)持(chi),以(yi)及(ji)時(shi)處(chu)理(li)密(mi)封(feng)能(neng)力(li)不(bu)足(zu)的(de)問(wen)題(ti)。在(zai)管(guan)理(li)中(zhong)首(shou)先(xian)需(xu)設(she)定(ding)處(chu)理(li)規(gui)則(ze),包(bao)括(kuo)控(kong)製(zhi)動(dong)靜(jing)環(huan)間(jian)的(de)摩(mo)擦(ca)麵(mian)積(ji)與(yu)軟(ruan)硬(ying)質(zhi)材(cai)料(liao)間(jian)的(de)密(mi)封(feng)麵(mian)積(ji)高(gao)低(di)及(ji)動(dong)靜(jing)環(huan)內(nei)徑(jing)尺(chi)寸(cun)等(deng),確(que)保(bao)其(qi)密(mi)封(feng)裝(zhuang)置(zhi)內(nei)部(bu)軸(zhou)震(zhen)動(dong)能(neng)及(ji)時(shi)得(de)到(dao)調(tiao)整(zheng)與(yu)補(bu)償(chang)。其(qi)次(ci),應(ying)當(dang)提(ti)高(gao)工(gong)作(zuo)人(ren)員(yuan)的(de)檢(jian)修(xiu)能(neng)力(li),貫(guan)徹(che)落(luo)實(shi)徹(che)底(di)與(yu)到(dao)位(wei)檢(jian)修(xiu)的(de)原(yuan)則(ze),要(yao)求(qiu)工(gong)作(zuo)人(ren)員(yuan)及(ji)時(shi)判(pan)斷(duan)故(gu)障(zhang)類(lei)型(xing),觀(guan)察(cha)機(ji)械(xie)內(nei)部(bu)變(bian)化(hua)情(qing)況(kuang),了(le)解(jie)動(dong)靜(jing)環(huan)端(duan)麵(mian)變(bian)形(xing)的(de)原(yuan)因(yin),及(ji)時(shi)采(cai)取(qu)更(geng)換(huan)端(duan)麵(mian)等(deng)措(cuo)施(shi)進(jin)行(xing)處(chu)理(li)。
建立維修數據庫
guzhangyujianxiuxinxidegongxianggongjian,gengliyuweihugongzuodezhengchangjinxing,yinciyingdangjijisheliweixiushujuku,quanmianyingyongxinjishuyuxincailiaodengxinxi。tongshibangzhugongzuorenyuanshenrulejieyuxuexiweihuyuguanlifangmiandeneirong,youqishiweixiuanlidexuexi,gengliyutigaojianxiurenyuandezhuanyezhishijinengshuiping。