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提高沙石泵气蚀性能的办法
添加时间:2023.09.17

提高沙石泵气蚀性能的办法

  1. 减小几何吸上高度(或增加几何倒灌高度);

  2. 减小吸入损失(管路损失),为此可以设法增加管径,尽量减小管路长度,弯头和附件等;

  3. 防止长时间在大流量情况下运行;

  4. 降低介质温度(使液体饱和压力降低);

  5. 泵发生汽蚀时,应把流量调小或降速运行;

  6. 对密封容器中加压;

  7. 对于在苛刻条件下运行的泵,为避免汽蚀破坏,可使用耐汽蚀材料。

  8. Methods to improve the cavitation performance of sand and gravel pumps

  9. Reduce the geometric suction height (or increase the geometric backflow height);

  10. Reduce suction loss (pipeline loss) by increasing the pipe diameter and minimizing the length of the pipeline, elbows, and accessories as much as possible;

  11. Prevent prolonged operation under high traffic conditions;

  12. Reduce the temperature of the medium (to reduce the saturation pressure of the liquid);

  13. When cavitation occurs in the pump, the flow should be reduced or the speed should be reduced for operation;

  14. Pressurize the sealed container;

  15. For pumps operating under harsh conditions, to avoid cavitation damage, corrosion-resistant materials can be used.