Pipeline pump pump troubleshooting and follow-up inspection before

2019 - 12 - 04

before opening pump pipeline pump troubleshooting and late check content: 1) Before open the pump, should check whether the pump outlet valve closed, check whether within the bearing lubricating oil, such as lubricating oil has been black, is a new oil should be replaced. To check the packing in the packing drum, if already made hard, should be removed, with butter and soft before loading. In addition, you should check piping flange screws for mobility. In front of the drive pump pipe should be put on the pump cover cock opened, and water to the full. 2) In the operation, the personnel on duty should always pay attention to whether or not bearing heating, water yield is normal, whether to produce vibration and noise, whether motor overheating ( Shall generally be 80 ℃ or less) And so on. If discovery is unusual, should immediately stop check repair pump. At the beginning of the open pump, the speed is not high, for its speed, it gradually the pipeline pump outlet pipe valve open, until pipeline pump running at normal. 3) Before the pump stop, should be closed gate, closed pipeline pump shut down again. At this point, the amount of water in the water pump body will produce a short period of time after the gate valve closes spin, pump body will not damage, but avoid by all means no water in the pipe pump idling 4) Regular inspection. Pipeline pump running after a certain period of time, depending on the situation for maintenance. At this time, should remove the pump body, see bearing NDT corrosion and impeller with and without cracks, fixed impeller nut is loose, flow path is blocked, the packing are in good condition, etc. After comprehensive inspection, kerosene pipeline pump parts accessories to clean it again. When assembling, should measure the impeller and volute gap is in accordance with the provisions of the company. Before finally tighten cap nut, should check whether the content such as cotton yarn, small tools, screw nut legacy in the pump body, final assembly finished, use hand pull (rotor, adjust the elastic filler tube. Through trial operation, observe no anomalies before put into normal operation.

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