發布時間:2026-04-22 09:00:09 人氣:324544 來源:
長chang期qi以yi來lai,填tian料liao密mi封feng一yi直zhi是shi供gong水shui廠chang水shui泵beng密mi封feng的de主zhu要yao手shou段duan,但dan是shi該gai技ji術shu實shi施shi的de能neng耗hao較jiao高gao且qie需xu要yao大da量liang的de運yun維wei人ren員yuan進jin行xing日ri常chang的de維wei護hu檢jian修xiu,在zai實shi際ji的de供gong水shui廠chang運yun行xing管guan理li中zhong經jing常chang會hui出chu現xian維wei護hu不bu當dang所suo導dao致zhi的de供gong水shui問wen題ti。自貢機械密封憑借其出色的密封效果和更優的節能效果,在供水廠水泵維修中得到了廣泛的應用。
自貢機械密封概述
自貢機械密封有(you)動(dong)環(huan)和(he)靜(jing)環(huan)兩(liang)個(ge)密(mi)封(feng)元(yuan)件(jian),這(zhe)兩(liang)個(ge)元(yuan)件(jian)共(gong)同(tong)垂(chui)直(zhi)於(yu)同(tong)一(yi)平(ping)直(zhi)且(qie)無(wu)凸(tu)起(qi)或(huo)者(zhe)是(shi)凹(ao)坑(keng)的(de)光(guang)滑(hua)軸(zhou)表(biao)麵(mian)上(shang),動(dong)環(huan)和(he)靜(jing)環(huan)互(hu)相(xiang)貼(tie)合(he)並(bing)且(qie)在(zai)設(she)備(bei)運(yun)行(xing)過(guo)程(cheng)中(zhong)進(jin)行(xing)相(xiang)對(dui)的(de)轉(zhuan)動(dong)進(jin)而(er)達(da)到(dao)密(mi)封(feng)的(de)效(xiao)果(guo)。
自貢機械密封也被稱為端麵密封。自貢機械密封裝置除了關鍵的密封元件外,還包括螺釘、密封圈、防轉銷、間隔套、螺栓、彈簧、後鏟板以及彈簧座等構件。當將自貢機械密封技術應用於供水廠水泵中時,在設備的運行過程中,水流所產生的壓力以及彈簧彈力所產生的機械外力會共同作用於自貢機械密封裝置的動靜環的接觸麵上,此時,壓緊力產生,端麵會更加緊密地貼合在一起,並進行相對的滑動。自貢機械密封裝(zhuang)置(zhi)密(mi)封(feng)元(yuan)件(jian)的(de)接(jie)觸(chu)端(duan)麵(mian)上(shang)會(hui)設(she)置(zhi)一(yi)層(ceng)厚(hou)度(du)非(fei)常(chang)薄(bo)的(de)液(ye)體(ti)膜(mo),其(qi)作(zuo)用(yong)是(shi)避(bi)免(mian)液(ye)體(ti)泄(xie)漏(lou)導(dao)致(zhi)的(de)相(xiang)對(dui)轉(zhuan)動(dong)失(shi)效(xiao)。接(jie)觸(chu)麵(mian)上(shang)的(de)液(ye)體(ti)膜(mo)同(tong)時(shi)具(ju)備(bei)靜(jing)、動兩種不同形式的壓力,具有潤滑和密封的雙重作用。供水廠所使用的輸送懸浮物在30mg/L以下的水泵均可以使用自貢機械密封技術,且可以滿足供水廠大多數水泵的運行工況。

自貢機械密封與填料密封的對比
相較供水廠傳統的填料密封技術,機械密封技術具有突出的優勢,主要表現在以下方麵:
yishimifengdekekaoxinggenggao,tongguoduicaiyongjixiemifengjishudeshuibengdeyunxingzhuangtaidejiankongheshujutongjifaxian,shuibengdeyunxingguochengshizhongbaochijiaoweiwendingdeyunxingzhuangtai,xielougailvhexielouliangdoubijiaoxiao,xieludefashenggailvjinweicaiyongtianliaomifengjishushuibengde1/10,且qie對dui於yu水shui泵beng的de日ri常chang維wei護hu管guan理li沒mei有you清qing潔jie的de死si角jiao,可ke以yi提ti高gao清qing潔jie的de有you效xiao性xing,避bi免mian雜za菌jun在zai水shui泵beng隱yin蔽bi處chu的de堆dui積ji對dui水shui流liu造zao成cheng汙wu染ran,機ji械xie密mi封feng更geng加jia符fu合he現xian代dai化hua工gong業ye生sheng產chan對dui於yu供gong水shui係xi統tong節jie能neng減jian排pai要yao求qiu;
ershijixiemifengzhuangzhideshiyongshouminggengchang,jishurenyuantongguokexuedejishusheji,duibutongjiezhidemocafuhebiyajinxinghelidexuanze,keyishijixiemifengweichijiaochangdeshiyongqixian,yibankeyidadao2~5年,相較填料密封其性價比更高;
三是靜環和動環接觸麵由於液體膜的存在,軸及軸套在水泵運行過程中基本不會產生磨損;
四si是shi密mi封feng裝zhuang置zhi與yu水shui泵beng設she備bei的de摩mo擦ca係xi數shu和he摩mo擦ca功gong耗hao都dou可ke以yi維wei持chi在zai更geng低di的de水shui平ping,機ji械xie密mi封feng的de摩mo擦ca功gong率lv與yu填tian料liao密mi封feng相xiang比bi,最zui小xiao可ke以yi達da到dao傳chuan統tong技ji術shu摩mo擦ca功gong率lv的de十shi分fen之zhi一yi,對dui於yu供gong水shui廠chang來lai說shuo,節jie能neng效xiao益yi顯xian著zhu提ti升sheng,摩mo擦ca功gong率lv損sun耗hao降jiang低di可ke節jie約yue成cheng本ben超chao過guo50萬元;
五(wu)是(shi)維(wei)修(xiu)周(zhou)期(qi)更(geng)長(chang),機(ji)械(xie)密(mi)封(feng)裝(zhuang)置(zhi)由(you)於(yu)磨(mo)損(sun)更(geng)小(xiao)因(yin)而(er)日(ri)常(chang)檢(jian)修(xiu)維(wei)護(hu)的(de)難(nan)度(du)更(geng)低(di),日(ri)常(chang)運(yun)維(wei)的(de)成(cheng)本(ben)也(ye)可(ke)以(yi)得(de)到(dao)有(you)效(xiao)的(de)縮(suo)減(jian),同(tong)時(shi),還(hai)可(ke)以(yi)確(que)保(bao)供(gong)水(shui)的(de)穩(wen)定(ding)性(xing)和(he)可(ke)靠(kao)性(xing);
六是機械密封由於抗震性能、naimoxingnengdoubijiaochuse,yinershiyongfanweiyegengguangfan,dangshuibengyunxingdaozhixuanzhuanzhouhuozheshimifengqiangchuxianzhendongqingxiedeqingkuangshi,mifengzhuangzhibingbuhuiyoumingxiandezhuandongbianhua,gaijishuzaijiaoweiguangkuodewendufanwei、真空、高壓、腐蝕介質、含磨砂介質或者是旋轉頻率較高的供水廠水泵中都可以進行使用。