循环冷却水采用闭式和开式冷却塔方式分析  

Analysis on Application of Closed Cooling Tower and Atmospheric Cooling Tower to Circulating Cooling Water

作　　者：庄乾伟 Zhuang Qianwei(Sanhe Power Generation Co.,Ltd.,Sanhe,Hebei,065200)

机构地区：[1]三河发电有限责任公司,河北三河065200

出　　处：《能源科技》2020年第10期58-59,63,共3页Energy Science and Technology

摘　　要：本文对沿江海发电厂2种燃煤发电厂循环水冷却方式,660MW和1000MW机组为例,进行了定量分析和定性对比开展研究,研究结果表明:提出了2种技术方案均可行且其各有特点,首先,应满足环保评价的水体热污染的要求;其次,根据发电厂厂区和取水的地势、地理位置,大气环境温度、水体温度流场和循环水温度等系统和结构的特点,技术方案比较,分析其利弊;最后,综合技术经济比较,确定采用哪种冷却方式。这项研究对兼顾机组经济性和控制对水体的热污染具有参考作用。This article carries out research on the two circulating water cooling modes of the the riverside and coastal coal-fired power plants with 660 MW and 1,000 MW units respectively via a quantitative analysis and a qualitative comparison.The findings indicate that both of the two technical proposals are feasible and have their own unique characteristics.First,they shall meet the requirements of environmental assessment on heat pollution of water.Second,they shall be compared and analyzed for their own advantages and disadvantages according to the system and structural characteristics of the area and water intake of the power plants,such as terrains,geographic locations,atmospheric environment temperatures,water temperature fields,circulating water temperatures,etc.At last,a cooling mode shall be adopted after comprehensive technical and economic comparisons.The research provides references for economical efficiency of the unit and control of heat pollution of water.

关 键 词：燃煤发电厂 循环水 冷却方式 水体热污染 

分 类 号：TM621[电气工程—电力系统及自动化]