發布時間:2026-04-14 22:19:56 人氣:303995 來源:
泵用密封技術種類有以下三種:
1、幹氣密封
對dui於yu氯lv堿jian化hua工gong機ji械xie設she備bei來lai說shuo,泵beng密mi封feng技ji術shu有you很hen多duo的de種zhong類lei,在zai眾zhong多duo的de密mi封feng技ji術shu中zhong,幹gan氣qi密mi封feng是shi一yi種zhong成cheng本ben低di,方fang便bian快kuai捷jie的de密mi封feng方fang法fa,也ye正zheng是shi因yin為wei幹gan氣qi密mi封feng具ju有you這zhe些xie良liang好hao的de性xing能neng,使shi得de幹gan氣qi密mi封feng在zai泵beng類lei設she備bei的de密mi封feng處chu理li中zhong應ying用yong十shi分fen的de廣guang泛fan,相xiang對dui於yu其qi他ta密mi封feng技ji術shu來lai說shuo,幹gan氣qi密mi封feng的de優you點dian就jiu是shi不bu需xu要yao密mi封feng麵mian之zhi間jian相xiang互hu接jie觸chu,有效的降低了密封失效問題的發生幾率。

2、離心力密封
相xiang對dui於yu幹gan氣qi密mi封feng技ji術shu來lai說shuo,離li心xin力li密mi封feng技ji術shu是shi一yi種zhong相xiang對dui先xian進jin的de密mi封feng方fang式shi,這zhe種zhong方fang式shi一yi般ban是shi應ying用yong在zai那na些xie內nei部bu儲chu存cun化hua學xue流liu體ti的de泵beng類lei設she備bei種zhong的de,從cong理li論lun上shang來lai說shuo,使shi用yong離li心xin力li密mi封feng技ji術shu進jin行xing密mi封feng時shi,首shou先xian要yao做zuo的de就jiu是shi在zai設she備bei中zhong的de滑hua動dong軸zhou承cheng上shang噴pen灑sa上shang潤run滑hua油you,減jian少shao軸zhou承cheng受shou到dao的de摩mo擦ca力li,降jiang低di滑hua動dong軸zhou承cheng的de升sheng溫wen速su率lv。之zhi後hou就jiu是shi在zai流liu體ti的de流liu徑jing上shang安an裝zhuang上shang離li心xin葉ye片pian,當dang葉ye片pian轉zhuan動dong時shi,就jiu會hui產chan生sheng離li心xin力li,使shi流liu體ti回hui流liu。使shi用yong離li心xin力li密mi封feng技ji術shu對dui泵beng類lei設she備bei進jin行xing密mi封feng可ke以yi有you效xiao的de提ti高gao設she備bei的de密mi封feng性xing能neng,減jian少shao流liu體ti泄xie漏lou事shi故gu的de發fa生sheng幾ji率lv。
3、物理密封
相對於以上兩種密封手段來說,物理密封是一種方便快捷、應(ying)用(yong)成(cheng)本(ben)較(jiao)低(di)但(dan)是(shi)性(xing)能(neng)穩(wen)定(ding)性(xing)較(jiao)差(cha)的(de)一(yi)種(zhong)密(mi)封(feng)方(fang)式(shi),這(zhe)種(zhong)密(mi)封(feng)技(ji)術(shu)的(de)密(mi)封(feng)性(xing)能(neng)主(zhu)要(yao)依(yi)靠(kao)使(shi)用(yong)的(de)物(wu)理(li)材(cai)料(liao)的(de)性(xing)能(neng)如(ru)何(he),因(yin)此(ci),如(ru)果(guo)物(wu)理(li)材(cai)料(liao)的(de)性(xing)能(neng)較(jiao)差(cha)的(de)話(hua),就(jiu)會(hui)對(dui)密(mi)封(feng)性(xing)能(neng)造(zao)成(cheng)嚴(yan)重(zhong)的(de)影(ying)響(xiang),所(suo)以(yi)在(zai)使(shi)用(yong)物(wu)理(li)密(mi)封(feng)技(ji)術(shu)對(dui)泵(beng)類(lei)設(she)備(bei)進(jin)行(xing)密(mi)封(feng)時(shi),相(xiang)關(guan)人(ren)員(yuan)首(shou)先(xian)要(yao)做(zuo)的(de)就(jiu)是(shi)保(bao)證(zheng)物(wu)理(li)材(cai)料(liao)的(de)質(zhi)量(liang),避(bi)免(mian)因(yin)為(wei)物(wu)理(li)材(cai)料(liao)的(de)質(zhi)量(liang)較(jiao)差(cha)而(er)對(dui)設(she)備(bei)的(de)密(mi)封(feng)性(xing)能(neng)造(zao)成(cheng)影(ying)響(xiang)。