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提高沙石泵氣蝕性能的辦法
減小幾何吸上高度（或增加幾何倒灌高度）；
減小吸入損失（管路損失），為此可以設(shè)法增加管徑，盡量減小管路長(zhǎng)度，彎頭和附件等；
防止長(zhǎng)時(shí)間在大流量情況下運(yùn)行；
降低介質(zhì)溫度（使液體飽和壓力降低）；
泵發(fā)生汽蝕時(shí)，應(yīng)把流量調(diào)小或降速運(yùn)行；
對(duì)密封容器中加壓；
對(duì)于在苛刻條件下運(yùn)行的泵，為避免汽蝕破壞，可使用耐汽蝕材料。
Methods to improve the cavitation performance of sand and gravel pumps
Reduce the geometric suction height (or increase the geometric backflow height);
Reduce suction loss (pipeline loss) by increasing the pipe diameter and minimizing the length of the pipeline, elbows, and accessories as much as possible;
Prevent prolonged operation under high traffic conditions;
Reduce the temperature of the medium (to reduce the saturation pressure of the liquid);
When cavitation occurs in the pump, the flow should be reduced or the speed should be reduced for operation;
Pressurize the sealed container;
For pumps operating under harsh conditions, to avoid cavitation damage, corrosion-resistant materials can be used.
