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  • 该如何排查水泵启动后出水量少及泵振动、噪音大的原因?
  • 本站编辑:江氏名品水泵发布日期:2018-05-28 17:42 浏览次数:
凯泉KQW卧式离心泵
水泵
启动后出水量少
Less water after the pump is started
原因分析及排除方法:
Reason analysis and elimination method:
1、吸水管路不严密而进气,出水呈现乳白色气泡
1, the suction pipe is not tight and intake, the water appears white cream bubbles.
排除方法:检查吸水管路,堵塞漏洞
Elimination method: check water absorption line, plug holes
2、水泵旋转方向不对
2. The rotating direction of the pump is not correct
排除方法:改变电动机电源接线,将三根线中任意二根对换后在启动。
Troubleshooting: change the motor power supply wiring, and replace any two of the three lines after starting.
3、阀门开度不够
3, the valve is not open enough
排除方法:检查阀门开关位置,查明原因后全部打开阀门。
Troubleshooting: check the valve switch position and identify the cause and open the valve.
4、水泵转速不够
4. The speed of the pump is not enough.
排除方法:检查电源电压是否过低;调速泵应提高转速,提高出水扬程。
Troubleshooting: check whether the power supply voltage is too low; the speed governing pump should increase the speed and raise the water head.
5、泵扬程不足
5. Insufficient pump lift
排除方法:应换扬程高一些的机泵
Elimination method: the machine pump should be replaced with a higher lift
6、流量计故障
6, flowmeter failure
排除方法:重新标定流量或修理、更换。
Removal method: re calibration of flow or repair or replacement.
7、吸水管路或叶轮流道有异物堵塞
7. Blockage of foreign body in water pipe or impeller runner
排除方法:在判断排除其他可能原因后才能停机解体检查。
Exclusive method: we can stop and disassemble the examination after judging other possible reasons.
泵振动、噪音大
Pump vibration and noise
原因分析及排除方法:
Reason analysis and elimination method:
1、电动机、水泵地脚固定螺栓松动
1, the loosening of the fixed bolt of the motor and water pump
排除方法:重新调整、紧固松动螺栓。
Exclusive method: re adjust and tighten loose bolts.
2、水泵、电机不同心
2. The pump and motor are not concentric
排除方法:重新调整水泵、电机同心度。
Exclusive method: readjusting the concentricity of pump and motor.
3、水泵较严重的气蚀现象
3. The serious cavitation erosion of the pump
排除方法:应采取减少出水量,或者提高吸水池或吸水井水位,减少吸上真空高度,或更换吸上真空度更高的水泵。
Elimination method: to reduce the amount of water, or to raise the water level of the suction pool or water absorption well, reduce the suction height of the vacuum, or to replace the pump with higher vacuum.
4、轴承损坏
4. Bearing damage
排除方法:更换新轴承。
Elimination method: replace the new bearing.
5、泵轴弯曲或磨损
5. The bending or wear of the pump shaft
排除方法:修复泵轴或更换新轴承。
Troubleshooting: repair the pump shaft or replace the new bearing.
6、水泵叶轮或电机转子不平衡
6. The imbalance of the impeller of the pump or the rotor of the motor
排除方法:解体检查,必要时做静、动不平衡试验,此项工作只有排除其他原因时方可进行。
Elimination method: disintegration inspection, if necessary, static and dynamic imbalance test, this work can be carried out only when excluding other reasons.
7、泵内进杂物
7. The inclusion in the pump
排除方法:打开泵盖检查,清楚堵塞物。
Troubleshooting: open the pump cover check and clear the blockage.
8、联轴器内柱螺栓或橡胶柱磨损或损坏
8. Wear or damage of the inner bolt or rubber column of the coupling.
排除方法:检查联轴器内柱,必要时修理或更换。
Troubleshooting: check the inner column of the coupling and repair or replace it if necessary.
9、流量过大或过小,远离泵的允许工况点
9, too large or too small flow away from the pump's permitted operating point.
排除方法:调整控制出水量或更新改造设备,使之满足实际工况的需要。
The elimination method: adjusting the output of water or upgrading equipment to meet the needs of actual working conditions.
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