發布時間:2026-04-15 00:28:21 人氣:253369 來源:
舒城金屬波紋管舒城機械密封的(de)應(ying)用(yong)範(fan)圍(wei)很(hen)廣(guang),從(cong)低(di)溫(wen)到(dao)高(gao)溫(wen),從(cong)中(zhong)性(xing)介(jie)質(zhi)到(dao)腐(fu)蝕(shi)性(xing)介(jie)質(zhi),從(cong)低(di)速(su)到(dao)高(gao)速(su),從(cong)普(pu)通(tong)到(dao)苛(ke)刻(ke)的(de)工(gong)作(zuo)條(tiao)件(jian)都(dou)可(ke)選(xuan)用(yong)。波(bo)紋(wen)管(guan)有(you)橡(xiang)膠(jiao)波(bo)紋(wen)管(guan)及(ji)蛇(she)形(xing)套(tao)、塑料波紋管和金屬波紋管。橡膠波紋管及蛇形套用於低載荷舒城機械密封作為輔助密封;塑料波紋管用於強腐蝕介質舒城機械密封作為輔助密封;金屬波紋管用於高溫、高壓和低溫介質的舒城機械密封,即可作為輔助密封,又可作為彈性元件。
金屬波紋管應具有較大的彈性、強度和剛度。可用於壓力達到7Mpa的場合,適用於高低溫作業,耐溫-240℃~+650℃,薄膜厚度不大於(<0.4mm),決定了要求波紋管材料具有很高的耐腐蝕性,並用於中性介質。

由於舒城金屬波紋管舒城機械密封很難保持接觸麵絕對平行,因此舒城機械密封本(ben)身(shen)的(de)內(nei)部(bu)運(yun)動(dong)也(ye)是(shi)正(zheng)常(chang)的(de)。這(zhe)種(zhong)運(yun)動(dong)通(tong)常(chang)是(shi)由(you)設(she)備(bei)和(he)安(an)裝(zhuang)公(gong)差(cha),熱(re)膨(peng)脹(zhang),管(guan)道(dao)應(ying)力(li)或(huo)主(zhu)軸(zhou)調(tiao)試(shi)不(bu)當(dang)引(yin)起(qi)的(de)。為(wei)了(le)始(shi)終(zhong)保(bao)持(chi)密(mi)封(feng)麵(mian)相(xiang)互(hu)配(pei)合(he),彈(dan)簧(huang)在(zai)舒城機械密封和he可ke動dong主zhu軸zhou之zhi間jian起qi著zhe恒heng定ding的de調tiao節jie作zuo用yong。當dang在zai旋xuan轉zhuan表biao麵mian和he主zhu軸zhou之zhi間jian使shi用yong彈dan性xing體ti密mi封feng件jian時shi,彈dan性xing體ti將jiang在zai主zhu軸zhou上shang來lai回hui移yi動dong。這zhe種zhong反fan複fu的de摩mo擦ca將jiang磨mo損sun主zhu軸zhou上shang的de防fang腐fu材cai料liao,失shi去qu主zhu軸zhou上shang氧yang化hua膜mo的de保bao護hu塗tu層ceng,並bing最zui終zhong在zai主zhu軸zhou的de摩mo擦ca表biao麵mian上shang形xing成cheng磨mo損sun槽cao,從cong而er導dao致zhi液ye體ti從cong主zhu軸zhou泄xie漏lou。並bing增zeng加jia了le必bi要yao的de維wei護hu工gong作zuo量liang。甚shen至zhi更geng換huan主zhu軸zhou。為wei了le解jie決jue這zhe個ge問wen題ti,通tong常chang將jiang可ke更geng換huan的de套tao筒tong安an裝zhuang在zai填tian料liao函han中zhong。然ran而er,解jie決jue腐fu蝕shi和he磨mo損sun問wen題ti的de解jie決jue方fang案an是shi去qu除chu其qi中zhong的de動dong態tai密mi封feng。如ru今jin,大da多duo數shu主zhu要yao的de密mi封feng件jian製zhi造zao商shang都dou生sheng產chan非fei腐fu蝕shi性xing的de磨mo損sun密mi封feng件jian,以yi防fang止zhi泵beng零ling件jian上shang的de腐fu蝕shi性xing磨mo損sun。平ping衡heng和he不bu平ping衡heng的de舒城機械密封的de平ping衡heng對dui接jie觸chu麵mian的de密mi封feng壓ya力li有you重zhong要yao影ying響xiang。該gai密mi封feng壓ya力li取qu決jue於yu密mi封feng本ben身shen的de有you效xiao橫heng截jie麵mian以yi及ji填tian料liao函han內nei部bu的de壓ya力li。不bu平ping衡heng密mi封feng件jian旋xuan轉zhuan表biao麵mian另ling一yi側ce的de橫heng截jie麵mian完wan全quan暴bao露lu在zai填tian料liao函han的de壓ya力li範fan圍wei內nei。這zhe種zhong情qing況kuang會hui在zai密mi封feng麵mian之zhi間jian產chan生sheng更geng高gao的de密mi封feng壓ya力li,從cong而er增zeng加jia工gong作zuo溫wen度du並bing加jia快kuai磨mo損sun速su度du。在zai高gao溫wen工gong作zuo條tiao件jian下xia或huo當dang液ye體ti具ju有you強qiang腐fu蝕shi性xing和he腐fu蝕shi性xing時shi,舒城機械密封的使用壽命將大大縮短。平衡的舒城機械密封可降低密封壓力並延長密封壽命。