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城市取水泵站进水池进水流态的改善
引用本文:陆晓如,佟宏伟,冯建刚. 城市取水泵站进水池进水流态的改善[J]. 排灌机械, 2007, 25(5): 24-28
作者姓名:陆晓如  佟宏伟  冯建刚
作者单位:1. 上海青草沙原水工程有限公司,上海,200120
2. 河海大学,江苏,南京,210098
摘    要:在介绍城市取水泵站进水建筑物布置特点的基础上,结合上海市长江引水三期工程取水泵站水力模型试验,针对单台泵运行和多台泵组合运行等多种运行条件,对进水池表面流态和典型过流断面流速分布进行了量测;并据此分析了进水池产生主流居中,底坎附近和底坎前区域产生回流区,进水流道前产生由池壁流向中间机组的斜向流,以及在边机组进水流道进口处产生间歇性漩涡等不良流态的原因。提出了取消底坎,在进水池扩散段设置八字形导流墩和边机组进水流道前设置消涡板等改善不良进水流态的措施。试验结果表明:改善措施可以有效地改善进水池进水流态,提高水泵运行工作效率。

关 键 词:泵站  城市取水  进水池  进水流态
文章编号:1005-6254(2007)05-0024-05
收稿时间:2007-05-16
修稿时间:2007-05-16

Measures of improving flow patterns for entrance bays of city intake water pumping stations
LU Xiao-ru,TONG Hong-wei,FENG Jian-gang. Measures of improving flow patterns for entrance bays of city intake water pumping stations[J]. Drainage and Irrigation Machinery, 2007, 25(5): 24-28
Authors:LU Xiao-ru  TONG Hong-wei  FENG Jian-gang
Affiliation:1. Shanghai Qingcaosha Raw Water Engneering Co. Ltd. , Shanghai 200120, China; 2. Hohai University, Naniing, Jiangsu 210098, China
Abstract:Based on the hydraulic characteristic of the intake water pumping station in the Third Period Shanghai Intake Yangtzi River Water Project,we have measured the inlet flow patterns and the influence of the inlet flow patterns.We have also proposed the method to ameliorate the flow pattern.The model test results showed that the measures were valuable in ameliorating flow patterns and the efficiency of the pump was enhanced.pumping stations;city intake water;entrance bays;inlet flow patterns
Keywords:pumping stations  city intake water  entrance bays  inlet flow patterns
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