瑪泰機(ji)械(xie)空壓機(ji)為(wei)您分享:
安全閥(fa)又(you)稱溢(yi)流閥(fa),在壓(ya)縮(suo)機系(xi)統(tong)(tong)中(zhong)起安全保護作用。當系(xi)統(tong)(tong)壓(ya)力(li)超過(guo)規定值時,安全閥(fa)打(da)開,將(jiang)系(xi)統(tong)(tong)中(zhong)的(de)一部分(fen)氣(qi)體排入大氣(qi),使系(xi)統(tong)(tong)壓(ya)力(li)不超過(guo)允許值,從而保證系(xi)統(tong)(tong)不因壓(ya)力(li)過(guo)高而發生事故。
安全閥(fa)的常見故障有以(yi)下幾種:
(1)氣體泄漏或(huo)無(wu)法(fa)啟動(dong)。密封性不(bu)足大多(duo)是因壓縮機長時間沒(mei)有(you)做保養造成,配件表面臟污過多(duo)或(huo)者(zhe)磨損,應(ying)及(ji)時清理及(ji)更換。無(wu)法(fa)啟動(dong)還有(you)一(yi)種可能是設定不(bu)準確。
(2)不斷(duan)振動。相配合(he)的彈簧(huang)不適合(he),剛(gang)度不當(dang),需(xu)要(yao)對其進行調整。
壓縮機安(an)(an)全(quan)(quan)閥(fa)屬于自動閥(fa)類,據《安(an)(an)全(quan)(quan)閥(fa)安(an)(an)全(quan)(quan)技術監察規程》中規定,安(an)(an)全(quan)(quan)閥(fa)的定期校驗(yan)(yan)(yan),一般(ban)是(shi)每年(nian)至少一次。正(zheng)規的安(an)(an)全(quan)(quan)閥(fa)校驗(yan)(yan)(yan)方法有:校驗(yan)(yan)(yan)臺離線(xian)校驗(yan)(yan)(yan)、在(zai)線(xian)儀器校驗(yan)(yan)(yan)和升壓式跳法效驗(yan)(yan)(yan)。也可(ke)用簡(jian)易方法檢查(cha),即在(zai)壓縮機滿載工(gong)作時,輕(qing)輕(qing)打開閥(fa)蓋,若(ruo)安(an)(an)全(quan)(quan)閥(fa)能(neng)向(xiang)外排(pai)氣(qi),就視為正(zheng)常。安(an)(an)全(quan)(quan)閥(fa)向(xiang)外排(pai)氣(qi)時會帶出高(gao)溫油霧,應(ying)注意安(an)(an)全(quan)(quan)。
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