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启动渣浆泵后注意事项

启动渣浆泵后注意事项

作者:admin    来源:未知    发布时间:2019-12-02 10:12    浏览量:
启动渣浆泵后注意事项
    启泵后要密切注意泵的运行情况,应注意如下事项:(1)检查各仪表是否在正常范围内,尤其首先检查电流表,不能超过电机的额定电流,电流过小也属于不正常。另外还要检查流量计、压力表、油压和油温等;
(2)检查轴封泄漏情况和发热情况,轴封如是填料密封时要逐渐调整压盖压紧程度,如果填料发热要检查串水是否正常,压盖是否压的太紧。新填的填料,开始泄漏量可以大一点,等磨合后逐渐压紧到泄漏量正常;
(3)检查泵和原动机的轴承温升,轴承温度一般不得超过周围温度35C,最高不得超过75C,如果没有温度测量仪,可用手摸一下, 一般不能感到烫手而不能停留;
(4)对强制润滑轴承要检查油温和油压;
(5)检查进出水管是否有漏气,漏水的现象;
(6)检查泵和原动机的振动和声响是否正常;
(7)检查进水池的动水位及是否有旋涡。
四、停泵及停泵后的注意事项
(1)停泵前应先关团出口闸阀(轴流泵除外),然后再停泵;
(2) 停泵后应关闭冷却、冲洗管路、润滑油路。但对于输送高温液体情况下,不要马上关闭冷却、冲洗管路;
        (3)擦干净水渍、油渍; 
   (4)冬李室外应放干净泵内存水,以防止冻裂;
     (5)长期停用时,应把泵拆开, 擦干、涂油保养。渣浆泵

Precautions after starting the pump
After starting the pump, pay close attention to the operation of the pump, and pay attention to the following matters: (1) check whether the instruments are within the normal range, especially check the ammeter first, which shall not exceed the rated current of the motor, and it is abnormal if the current is too small. In addition, check the flowmeter, pressure gauge, oil pressure and oil temperature, etc;
(2) check the leakage and heating of the shaft seal. If the shaft seal is a packing seal, gradually adjust the gland pressing degree. If the packing is hot, check whether the water is flowing normally and whether the gland is pressed too tightly. The leakage of the newly filled packing can be a little larger at the beginning, and it will be gradually compacted until the leakage is normal after running in;
(3) check the bearing temperature rise of the pump and prime mover. Generally, the bearing temperature shall not exceed the ambient temperature of 35C, and the maximum temperature shall not exceed 75c. If there is no temperature measuring instrument, you can touch it with your hands. Generally, you cannot feel hot and stay;
(4) check the oil temperature and oil pressure of the forced lubrication bearing;
(5) check whether the water inlet and outlet pipes have air leakage and water leakage;
(6) check whether the vibration and sound of pump and prime mover are normal;
(7) check the dynamic water level and whether there is vortex.
IV. precautions after pump shutdown
(1) before stopping the pump, close the gate valve at the group outlet (except for axial flow pump), and then stop the pump;
(2) after stopping the pump, the cooling, flushing pipeline and lubricating oil circuit shall be closed. However, in case of conveying high temperature liquid, do not immediately close the cooling and flushing pipelines;
(3) wipe away water and oil stains;
(4) the water in the pump should be put out of the winter plum room to prevent frost crack;
(5) in case of long-term shutdown, the pump shall be disassembled, dried and oiled for maintenance. Slurry pump


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