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    故障原理及排除方法

     

    故障
    原因
    排除方法
    1
    泵不能啟動 1、新泵轉、定子配合較緊
    2、電壓、電流太低
    3、介質粘度過高
    1、用工具人力幫助轉動幾圈
    2、檢查、調整
    3、降低泵轉速
    2

    泵不出液

    1、旋轉方向不對
    2、吸入管路有問題
    3、介質粘度過高
    4、轉、定子損壞或傳動部件損壞
    5、泵內異物堵塞

    1、調整方向
    2、檢查泄漏、打開進出口閥門
    3、減低泵轉速
    4、檢查更換
    5、排除異物

    3
    流量達不到 1、管路泄漏
    2、閥門未全部打開或局部堵塞
    3、轉速太低
    4、轉、定子磨損
    1、檢查修理管路
    2、打開全部閥門、排除堵塞物
    3、調整轉速
    4、更換損壞零件
    4
    壓力達不到 轉子、定子磨損 更換轉、定子
    5
    電機過熱 1、電機故障
    2、出口壓力過高、電機超負荷
    3、定子燒壞或粘在轉子上
    1、檢查電機、電壓、電流、電頻
    2、檢查揚程、開足出口閥門、排除阻塞
    3、更換損壞件
    6
    流量壓力急劇下降

    1、管道突然堵塞或泄漏
    2、定子磨損嚴重
    3、液體粘度突然改變
    4、電壓突然下降

    參照以上幾項,逐項排除
    7
    軸密封處大量泄漏液體 1、軟填料磨損
    2、機械密封損壞
    1、壓緊或更換填料
    2、修復或更換
        
     
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