發布時間:2026-04-21 08:09:32 人氣:246481 來源:
泵類龍沙機械密封不嚴,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
密mi封feng安an裝zhuang過guo程cheng中zhong,工gong作zuo人ren員yuan未wei規gui範fan進jin行xing設she備bei密mi封feng性xing能neng的de加jia水shui或huo靜jing壓ya試shi驗yan,無wu法fa確que保bao密mi封feng性xing能neng。密mi封feng環huan壓ya緊jin與yu密mi封feng環huan存cun在zai異yi物wu或huo密mi封feng受shou損sun等deng原yuan因yin,都dou會hui引yin起qi介jie質zhi泄xie露lu。
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
密封材料直接影響龍沙機械密封xiaoguo,dangdongjinghuandecailiaoqiangdubudabiaoshi,shouhuanjingbianhuayinsudeyingxiangjiaoda,gengyichanshengxieludewenti。zaixiandaikejifazhandaidongxia,cailiaodezhongleiyuxingnengdedaolefeisudefazhan,mifengzhuangzhidecailiaogengjuyouxuanzexing。chuantongmifengzhuangzhiyitanshimodemifengcailiaoweizhu,liyongyingzhihejinyuruanzhicailiaojieheshejichengmifengzhuangzhi,ru龍沙機械密封的(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”yuanze,duozaishijianzongjiejichushangjiaqiangxinjishuyuxincailiaodeyinru,yiqieshitigaojixiedemifengnengli。youqishiliyongfeijiechushihuohuiliushidengmifengkongzhijishu,nenggouyouxiaogaishanmifengxiaoguo。huiliushimifengjishunenggoutongguoyouhuahuiliulujingdetujing,gaibianyiwangdejixieliutixielouguocheng,tongguojixiechuandaodezuoyong,jiangwaixieliutizidonghuiliu。dangmifengzhuangzhidezuoyongfahuishouxianshi,huiliushijishuhuitongguoyinliucelve,cushiwaixieliutizhonghuidaojixienei。congfeijiechushimifengjishurushoufenxi,zhuyaoshiduidongjinghuandejiechuduanmiantiaozhenghou,jianlixinde龍沙機械密封體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
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)。