珞璜电厂取排水方案热态试验研究  

Experimental Study on Thermal Drainage Scheme of Luohuang Power Plant

作　　者：邹炳生 Zou Bingsheng(CRCC Harbour ＆ Channel Engineering Bureau Group Survey ＆ Design Institute Co. Ltd. , Ouangzhou Ouangdong 511442, China)

机构地区：[1]中铁建港航局集团勘察设计院有限公司,广东广州511442

出　　处：《铁道建筑技术》2017年第4期16-20,共5页Railway Construction Technology

基　　金：重庆市基础与前沿研究计划项目(cstc2014jcyj A30021);教育部博士点专项科研资助项目(2011019111036)

摘　　要：电厂废热冷却水排放入江中的温升效应不仅可能影响取水布置及效益,也易导致水域富营养化等水生态环境问题。依托珞璜电厂取排水工程,通过热态模型试验,分析研究了取水口局部水流流态,得出了不同水位、不同引用流量下电厂排水对局部水域环境温升及环境流场的影响。研究表明,可就近利用天然溪沟排水,长江主流流量越大,取水口温升影响越小,最大取水温升2.2℃。温升沿程衰减较快,下游620 m水面的相对温升仅为5%~8%。The temperature effect of cooling water for power plant waste heat discharged into the river may not only affect the intake layout and benefits,but also easily lead to eutrophication and water ecological environment problems. On the basis of Luohuang Power Plant water supply and drainage engineering,through the hot model test,the local flow pattern near the intake is analyzed,the different effect of power plant discharge water on the local environment temperature and flow field under different water level and discharge are obtained. It shows that the nearly natural creek can be used for drainage,the greater discharge of the mainstream of the Yangtze River,the lower of the temperature change of the intake,the maximum water temperature rise is 2. 2 ℃. The temperature attenuation along the path attenuation is fast,the relative temperature rise of water surface at 620 m downstream distance is only 5% ~ 8%.

关 键 词：电厂排水 冷却水 环境流场 模型试验 

分 类 号：TV131.6[水利工程—水力学及河流动力学]