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以华润电力湖南有限公司2×600MW国产燃煤亚临界发电机组为例,介绍了除氧器暂态计算目的及其原理,详细分析了计算方法及步骤。在除氧器布置和给水泵确定的情况下,分析了机组全甩负荷工况下对前置泵汽蚀性能的影响。
Taking the 2 × 600 MW homemade coal - fired subcritical generating unit of China Resources Hunan Company Limited as an example, the purpose and principle of transient calculation of deaerator are introduced. The calculation methods and steps are analyzed in detail. In the deaerator arrangement and the feed water pump, the influence of the unit load rejection on the cavitation performance of the pre-pump was analyzed.