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吴泾电厂八期工程规划容量为4 ×600 M W,配4 座淋水面积为9 000 m2 的逆流式双曲线形自然通风冷却塔,采用正方形布置,塔之间的中心距离均为15 d 。因种种原因,在1 号、2 号冷却塔塔筒结构设计中,未考虑塔群效应。由华北电力设计院和北京大学力学系共同完成的“大型冷却塔塔群风压分布”研究结果表明,吴泾电厂八期4 座冷却塔正方形布置,塔群效应是确实存在的,应该引起工程设计人员及各级领导的足够重视。建议今后在修订国家有关规范和规定时,一定要把塔群效应因素写上去。
The 8th phase of Wujing Power Plant has a planned capacity of 4 × 600 M W. It is equipped with 4 reverse-flow hyperbolic natural draft cooling towers with a water spray area of 9 000 m2. The square layout is adopted, and the center distance between the towers is 15. d. For various reasons, tower tower effects were not considered in the design of cooling tower towers No. 1 and No. 2. The research results of “wind pressure distribution of large-scale cooling towers and towers” jointly completed by the North China Electric Power Design Institute and the Department of Mechanics of Peking University show that the square layout of the 4 cooling towers in the 8th phase of Wujing Power Plant has indeed existed the tower group effect and should cause engineering design. Staff and leaders at all levels pay enough attention. It is suggested that in the revision of relevant national regulations and regulations, it is necessary to write up the tower group effect factors.