反壓狀態是不良的工作狀態，介質中的顆粒、雜質很容易進入密封面，使密封失效。磨軸的主要件為橡膠波紋管，且由于上端密封面處于不良潤滑狀態，動靜環之間的摩擦力矩大于橡膠波紋管與軸之間的傳遞轉矩，從而發生相對轉動。動、靜環輔助密封由于受到污水中的弱酸、弱堿的腐蝕，橡膠件已無彈性。渣漿錫林郭勒泵用錫林郭勒機械密封的工作原理要求錫林郭勒機械密封內部無任何雜質，在組裝錫林郭勒機械密封前要徹底清掃動環、靜環、軸套等部件，檢查動靜環表面是否存在劃痕、裂紋等缺陷，這些缺陷存在會造成錫林郭勒機械密封嚴重漏(lou)泄。必要(yao)時可以制作(zuo)工裝在組裝前水壓(ya)試驗，檢查動靜環座(zuo)是否存在影(ying)響密封的缺陷。

　　渣漿錫林郭勒泵用錫林郭勒機械密封由于密封面變形所引起的，而且錫林郭勒機械密封面泄漏的概率是很高的。如果泵在啟動時就發生錫林郭勒泵用錫林郭勒機械密封泄漏，而拆查密封面時看不見有損壞的地方，這時就應該用平晶檢查錫林郭勒機械密封的變(bian)形(xing)情況。如果發(fa)生變(bian)形(xing)，用平晶檢查密封(feng)面(mian)的干涉帶(dai)的變(bian)化(hua)情況，密封(feng)面(mian)變(bian)形(xing)存在于(yu)動環和靜環之間(jian)。

　　壓缸體(ti)動(dong)(dong)(dong)(dong)(dong)態(tai)密(mi)(mi)封(feng)系(xi)統(tong)采用(yong)的是主密(mi)(mi)封(feng)設計(ji)，一(yi)般都用(yong)U型(xing)密(mi)(mi)封(feng)圈(quan)。液壓缸體(ti)的往復式(shi)動(dong)(dong)(dong)(dong)(dong)態(tai)密(mi)(mi)封(feng)系(xi)統(tong)的設計(ji)，開始使(shi)用(yong)了更加復雜的U型(xing)圈(quan)和(he)(he)(he)同軸(zhou)(zhou)密(mi)(mi)封(feng)組件的復合(he)式(shi)設計(ji)。密(mi)(mi)封(feng)的靜(jing)環(huan)(huan)通常(chang)固定在殼體(ti)上(shang)，動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)通過(guo)彈簧、彈簧座與軸(zhou)(zhou)一(yi)同旋轉。靜(jing)環(huan)(huan)與殼體(ti)、動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)與軸(zhou)(zhou)形(xing)成的間隙用(yong)成型(xing)填(tian)料密(mi)(mi)封(feng)。在動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)和(he)(he)(he)靜(jing)環(huan)(huan)接觸的端面(mian)形(xing)成相對滑(hua)動(dong)(dong)(dong)(dong)(dong)面(mian)，即動(dong)(dong)(dong)(dong)(dong)密(mi)(mi)封(feng)面(mian)。為保證密(mi)(mi)封(feng)良(liang)好(hao)，動(dong)(dong)(dong)(dong)(dong)密(mi)(mi)封(feng)面(mian)應十分平直和(he)(he)(he)光潔。彈簧力和(he)(he)(he)被(bei)密(mi)(mi)封(feng)的流體(ti)壓力使(shi)動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)貼緊靜(jing)環(huan)(huan)。因動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)與軸(zhou)(zhou)通過(guo)彈簧連(lian)接，動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)和(he)(he)(he)靜(jing)環(huan)(huan)間貼合(he)性受(shou)軸(zhou)(zhou)的振動(dong)(dong)(dong)(dong)(dong)和(he)(he)(he)擺(bai)動(dong)(dong)(dong)(dong)(dong)影響較小(xiao)。靜(jing)環(huan)(huan)一(yi)般常(chang)用(yong)潤滑(hua)性好(hao)的軟質材料如石墨(mo)、填(tian)充聚(ju)四氟乙烯(xi)等，動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)多(duo)用(yong)硬(ying)質合(he)金(jin)、陶瓷等材料制造。