熱水泵集式密(mi)封(feng)的大多(duo)數主要特性是(shi)其控制密(mi)封(feng)功能、摩(mo)擦(ca)力(li)、磨(mo)(mo)損(sun)和(he)壽命(ming)的自(zi)動界面(mian)(mian)(mian)潤滑(hua)機理。一切取決于穿過(guo)界面(mian)(mian)(mian)并建(jian)立潤滑(hua)膜(mo)的液(ye)體(ti)以(yi)便密(mi)封(feng)在實際無接(jie)觸，通(tong)常是(shi)混(hun)合磨(mo)(mo)擦(ca)，介于干摩(mo)擦(ca)和(he)完(wan)整液(ye)膜(mo)之間的潤滑(hua)摩(mo)擦(ca)狀態下(xia)運行。在腔體(ti)壓(ya)力(li)作(zuo)用下(xia)介質穿過(guo)密(mi)封(feng)摩(mo)擦(ca)副端(duan)面(mian)(mian)(mian)，表面(mian)(mian)(mian)張力(li)和(he)離心力(li)在此時(shi)(shi)影(ying)響不大，流體(ti)壓(ya)力(li)持續(xu)下(xia)降直到它(ta)達(da)到外部(bu)背(bei)壓(ya)，此壓(ya)力(li)作(zuo)用類似于流體(ti)靜壓(ya)時(shi)(shi)軸承(cheng)的承(cheng)載功能。這取決于介質粘度、轉速和(he)端(duan)面(mian)(mian)(mian)間隙變化(hua)。

　　熱水(shui)泵集式密(mi)封(feng)(feng)要(yao)起到(dao)靜(jing)(jing)環(huan)(huan)(huan)(huan)和(he)(he)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)(huan)的密(mi)封(feng)(feng)作(zuo)用(yong)(yong)，同時(shi)也起到(dao)浮(fu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)緩(huan)沖作(zuo)用(yong)(yong)，要(yao)求靜(jing)(jing)環(huan)(huan)(huan)(huan)的輔助密(mi)封(feng)(feng)元(yuan)件能(neng)保證靜(jing)(jing)環(huan)(huan)(huan)(huan)與(yu)壓蓋之間的密(mi)封(feng)(feng)性(xing)(xing)和(he)(he)靜(jing)(jing)環(huan)(huan)(huan)(huan)有(you)一定的浮(fu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)性(xing)(xing)，動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)(huan)的輔助密(mi)封(feng)(feng)元(yuan)件能(neng)保證動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)(huan)與(yu)軸與(yu)軸套之間的密(mi)封(feng)(feng)性(xing)(xing)和(he)(he)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)(huan)的浮(fu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)性(xing)(xing)，材料要(yao)求耐熱或耐寒(han)并能(neng)與(yu)介質相容。起到(dao)將軸的轉矩傳(chuan)給動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)(huan)的作(zuo)用(yong)(yong)，中間傳(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)的傳(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)銷、壓環(huan)(huan)(huan)(huan)—傳(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)(huan)、傳(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)銷—彈簧座(zuo)均起傳(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)用(yong)(yong)，材料要(yao)求耐磨(mo)和(he)(he)耐腐蝕。

　　緊(jin)固(gu)件要(yao)起到靜、動環的(de)定位、緊(jin)固(gu)和盛裝(zhuang)的(de)作用(yong)，要(yao)求(qiu)定位正確(que)，保證(zheng)摩(mo)擦副(fu)密封(feng)面處(chu)于(yu)正確(que)的(de)位置并(bing)保持良好貼合(he)(he)的(de)彈(dan)簧比(bi)壓(ya)。同(tong)時(shi)要(yao)求(qiu)拆(chai)裝(zhuang)方便、容易就位、能重復(fu)利用(yong)。與輔助(zhu)密封(feng)配合(he)(he)處(chu)，注(zhu)意安裝(zhuang)密封(feng)環的(de)導向側角和壓(ya)彈(dan)量。特別應注(zhu)意動環輔助(zhu)密封(feng)件與軸套配合(he)(he)處(chu)要(yao)求(qiu)耐腐蝕和耐磨損，必要(yao)時(shi)采用(yong)硬面復(fu)層(ceng)。

　　熱(re)水(shui)(shui)泵集式(shi)密封(feng)一般(ban)配(pei)上平(ping)衡循(xun)環系統，可使(shi)用在易(yi)燃、易(yi)爆(bao)、有(you)毒及腐蝕(shi)、高真(zhen)空等對密封(feng)要求更為嚴格的(de)(de)(de)(de)場合。密封(feng)結(jie)(jie)構為外沖(chong)洗結(jie)(jie)構，沖(chong)洗液可以為清(qing)潔的(de)(de)(de)(de)水(shui)(shui)也可為工業回用水(shui)(shui)，密封(feng)腔壓力高于沖(chong)洗液的(de)(de)(de)(de)壓力，沖(chong)洗液在輔(fu)助(zhu)套(tao)(tao)的(de)(de)(de)(de)上端輸(shu)入，在輔(fu)助(zhu)套(tao)(tao)的(de)(de)(de)(de)下端輸(shu)出,循(xun)環使(shi)用,密封(feng)起到冷卻沖(chong)洗的(de)(de)(de)(de)作用，其輔(fu)助(zhu)裝置有(you)調溫器(qi)、平(ping)衡罐、強制(zhi)循(xun)環平(ping)衡系統等。