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技術(shù)文章您的位置:網(wǎng)站首頁(yè) >技術(shù)文章 >齒輪泵常見(jiàn)故障及維修方法

齒輪泵常見(jiàn)故障及維修方法

更新時(shí)間:2021-11-23   點(diǎn)擊次數:3163次

(1)故障現象:雙聯(lián)齒輪泵不能排料


故障原由:a、旋轉方向相反;b、吸入或排出閥關(guān)閉; c、入口無(wú)料或壓力過(guò)低; d、粘度過(guò)高,泵無(wú)法咬合


對策: a、確認旋轉方向; b、確認閥門(mén)是不是關(guān)閉; c、檢查閥門(mén)和壓力表; d、檢查液體粘度,以低速運轉時(shí)按轉速比例的流量是不是出現,若有流量,則流入不足、


(2)故障現象:齒輪泵流量不足


故障原由:a、吸入或排出閥關(guān)閉; b、入口壓力低; c、出口管線(xiàn)堵塞; d、填料箱泄漏;e、轉速過(guò)低


對策:a、確認閥門(mén)是不是關(guān)閉;b、檢查閥門(mén)是不是打開(kāi);c、確認排出量是不是正常; d、緊固;大量泄露漏影響生產(chǎn)時(shí),應停止運轉,拆卸檢查; e、檢查泵軸實(shí)際轉速;


(3)故障現象:齒輪泵聲音異常


故障原由:a、聯(lián)軸節偏心大或潤滑不良 b、電動(dòng)機故障; c、減速機異常; d、軸封處安裝不良; e、軸變形或磨損


對策:a、找正或充填潤滑脂; b、檢查電動(dòng)機; c、檢查軸承和齒輪; d、檢查軸封; e、停車(chē)解體檢查


(4)故障現象:齒輪泵電流過(guò)大


故障原由:a、出口壓力過(guò)高; b、熔體粘度過(guò)大;c、軸封裝配不良; d、軸或軸承磨損; e、電動(dòng)機故障


對策:a、檢查下游設備及管線(xiàn);b、檢驗粘度; c、檢查軸封,適當調整; d、停車(chē)后檢查,用手盤(pán)車(chē)是不是過(guò)重; e、檢查電動(dòng)機


(5)故障現象:齒輪泵突然停止


故障原由:a、停電; b、電機過(guò)載保護; c、聯(lián)軸器損壞;d、出口壓力過(guò)高,聯(lián)鎖反應;e、泵內咬入異常; f、軸與軸承粘著(zhù)卡死


對策:a、檢查電源;b、檢查電動(dòng)機;c、打開(kāi)安全罩,盤(pán)車(chē)檢查;d、檢查儀表聯(lián)鎖系統;e、停車(chē)后,正反轉盤(pán)車(chē)確認; f、盤(pán)車(chē)確認


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