环境风对汽轮机空冷岛换热性能的影响及其改善措施  

Influence of Ambient Air on Heat Transfer Performance of Air Cooling Island of Steam Turbine and Its Improvement Measures

作　　者：李文毓 Li Wenyu(Shanxi Tashan Power Generation Co.,Ltd.,Datong Shanxi 037001)

机构地区：[1]晋控电力塔山发电山西有限责任公司,山西大同037001

出　　处：《机械管理开发》2022年第12期60-61,64,共3页Mechanical Management and Development

摘　　要：为解决环境风对汽轮机机组空冷凝汽器换热效率影响,导致冷却效果不佳的问题,在对发电厂机组包括汽轮机机组、锅炉房以及空冷岛平台概述的基础上,基于CFD数值模拟仿真软件建立空冷单元的仿真模型,并重点对环境风影响空冷凝汽器换热效率的主导因素进行确定,提出采用在空冷岛平台内部加装十字防风网对换热效率进行改善的措施。In order to solve the problem of poor cooling effect caused by the impact of environmental wind on the heat transfer efficiency of air cooled condenser of steam turbine unit,based on the overview of power plant units including steam turbine unit,boiler room and air cooling island platform;Based on the CFD numerical simulation software,the simulation model of the air cooling unit is established,and the dominant factors affecting the heat transfer efficiency of the air cooling condenser are mainly determined;Finally,the measures to improve the heat transfer efficiency are proposed by installing a cross wind screen inside the air cooling island platform.

关 键 词：发电厂 汽轮机 空冷凝汽器 换热效率 防风网 

分 类 号：TK264[动力工程及工程热物理—动力机械及工程]