The calculations and analysis on water hammer pressure of liquid-solid two-phase flow and the round velocity of turning back of the pump on ash-water pump in st e am power plant have been done. Based on the calculation results, some protection s against water-hammer for ash-water pump have been presented.%对某电厂除灰泵进行了浆体水击压强及反向转速的计算与分析,根据计算结果提出了除灰泵的水击防护措施。
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