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Taixing Xinjin hydraumatic machinery factory

Contact: Manager Yan

Hot line: 15161048906

              15052372717

              13952666447

Tel (fax): 0523-87899146

Post: 225411

Box: 1602449292@qq.com

Web address: www.xjyyjx.com

Address: Yangchun Industrial Zone, huangqiao town, Taixing, Taizhou, Jiangsu. 


Common faults and maintenance methods of gear pump

2023-03-09 11:01:26
times

Gear pump operation and maintenance1. Start-up: (1) Check the tightness of all pipeline flanges and joints before start-up. (2) The rotary coupling has no friction and collision sound. (3) When the pump is started for the first time, the conveying liquid should be injected into it. (4) Before starting, fully open the valves in the suction and discharge pipelines, and it is forbidden to close the valves to start. (5) After verifying the rotation direction of the motor, start the motor. 2. Stop: (1) Turn off the motor. (2) Close the inlet and outlet valves of the pump.齿轮泵

齿轮泵常见故障及维修方法

  (1)故障现象:泵不能排料   故障原因:a、旋转方向相反;b、吸入或排出阀关闭; c、入口无料或压力过低; d、粘度过高,泵无法咬料   对策: a、确认旋转方向; b、确认阀门是否关闭; c、检查阀门和压力表; d、检查液体粘度,以低速运转时按转速比例的流量是否出现,若有流量,则流入不足、   (2)故障现象:泵流量不足   故障原因:a、吸入或排出阀关闭; b、入口压力低; c、出口管线堵塞; d、填料箱泄漏;e、转速过低   对策:a、确认阀门是否关闭;b、检查阀门是否打开;c、确认排出量是否正常; d、紧固;大量泄露漏影响生产时,应停止运转,拆卸检查; e、检查泵轴实际转速;   (3)故障现象:声音异常   故障原因:a、联轴节偏心大或润滑不良 b、电动机故障; c、减速机异常; d、轴封处安装不良; e、轴变形或磨损   对策:a、找正或充填润滑脂; b、检查电动机; c、检查轴承和齿轮; d、检查轴封; e、停车解体检查   (4)故障现象:电流过大   故障原因:a、出口压力过高; b、熔体粘度过大;c、轴封装配不良; d、轴或轴承磨损; e、电动机故障   对策:a、检查下游设备及管线;b、检验粘度; c、检查轴封,适当调整; d、停车后检查,用手盘车是否过重; e、检查电动机   (5)故障现象:泵突然停止   故障原因:a、停电; b、电机过载保护; c、联轴器损坏;d、出口压力过高,联锁反应;e、泵内咬入异常; f、轴与轴承粘着卡死   对策:a、检查电源;b、检查电动机;c、打开安全罩,盘车检查;d、检查仪表联锁系统;e、停车后,正反转盘车确认; f、盘车确认


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Taixing Xinjin Hydraulic Machinery Factory

Contact: Manager Yan

Hot line: 15161048906 15052372717 139546

Tel (fax): 0523-87899146

Post: 225411

Box: 1602449292@qq.com

Web address: www.xjyyjx.com

Address: Yangchun Industrial Zone, huangqiao town, Taixing, Taizhou, Jiangsu.


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