9000m_2双曲线自然通风逆流冷却塔的优化改造

54  9000m 2

双曲线自然通风

逆流冷却塔的优化改造 

熊大健,李秉正

福建省鸿山热电有限责任公司,福建石狮 362712

[摘   要] 针对双曲线自然通风逆流冷却塔虹吸罩经常损坏无法形成虹吸,造成单台循环水泵运

行时只能实现半塔配水,以及两台循环水泵运行时虽然冷却水可漫过配水虹吸罩形成全塔配水,但存在全塔配水不均匀现象,通过对冷却塔配水系统结构的优化改造,解决了上述问题,显著提高了机组的经济性。

[关 键 词] 冷却塔;虹吸罩;虹吸配水;循环水泵;循环水;水温

[中图分类号] TK264.1

[文献标识码] B

[文章编号] 1002-3364(2010)08-0054-03

[DOI 编号] 10.3969/j .issn .1002-3364.2010.08.054OPTIMIZATION RETROFIT OF 9000m 2HYPERBOLIC NATURAL

DRAFT C OUNTER FLOW C OOLING T OWER

XIONG Dajian ,LI Bingzheng

Fujian Hongs han Thermal Pow er Co Ltd ,S hishi 362712,Fujian Province ,PRC

Abstract :Directing against the problems of frequent damages occurred on siphon co ver in hy pe rbolic natural draft counter flow cooling tow er ,the uniform distribution of siphon wa ter can 't be realized ,and in the case o f single circulating w ater pump in operation ,only the w ater distribution in half tow er can be realized ,and in the event o f tw o circulating w ate r pumps in operation ,although the cooling w ater can overflow the siphon co ver and makes the w ater distributio n in w ho le to we r can be realized ,but the w ater can 't be distributed uniform ly .Through optimization retro fit of the w ater distribution co nfigura -tio n in the cooling tow er ,the problems mentio ned above have been so lved ,and the eco nomic efficiency of the unit being remarkably improved .

Key words :co oling tow er ;siphon cover ;siphon w ate r distributio n ;circulating w ater ;w ater temperature 作者简介: 熊大健(1972-),男,福建省鸿山热电有限责任公司汽机运行主管,长沙电力职业技术学院兼职副教授,从事汽轮机技术管理工作。1 配水及循环水系统

某电厂一期2台亚临界600M W 机组,分别于2006年4月和7月投入商业化运营。循环水系统为扩大单元制二次循环系统,两条循环水进水母管间设联络管和阀门。每台机组配置2台功率为3500kW

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