直接空冷机组冷端传热特性研究 |
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引用本文: | 孙东海,张树芳,申哲巍. 直接空冷机组冷端传热特性研究[J]. 节能, 2012, 31(8): 20-24 |
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作者姓名: | 孙东海 张树芳 申哲巍 |
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作者单位: | 华北电力大学电站设备状态监测与控制教育部重点实验室,河北保定,071003 |
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摘 要: | 以直接空冷机组冷端系统传热特性为研究对象,充分考虑排汽管道压损、水蒸气压差对排汽压力的影响,建立直接空冷机组冷端换热数学模型,并对影响空冷凝汽器传热的因素进行研究分析。研究结果对直接空冷机组冷端系统保持最佳运行状态,保障凝汽器的安全和经济运行具有重要的指导作用。
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关 键 词: | 直接空冷 冷端 传热特性 凝汽器 |
Research on the heat transfer performance of cold end system of direct air-cooling units |
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Abstract: | Aiming at the heat transfer performance of cold end system of direct air-cooling units,this paper,in which fully considered loss of pressure in exhaust steam pipe and pressure difference of steam,educed the heat transfer mathematical model of cold end system of direct air-cooling units and studied the influencing factor of heat transfer on air-cooling condenser.The conclusions have certain guiding significance for keeping the optimum running state,guaranteeing the safety and economic operation of condenser. |
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Keywords: | direct air-cooling cold end heat transfer performance condenser |
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