[1]刘 军,施 伟,徐 磊,等.大型低扬程泵装置水力设计关键技术的创新与发展[J].江苏水利,2021,(12):1-7+14.
　LIU Jun,SHI Wei,XU Lei,et al.Innovation and development of key technologies for hydraulic design of large scale pump system with low head[J].JIANGSU WATER RESOURCES,2021,(12):1-7+14.
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大型低扬程泵装置水力设计关键技术的创新与发展()
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《江苏水利》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2021年12期
页码:
1-7+14
栏目:
水利规划与设计
出版日期:
2021-12-30

文章信息/Info

Title:
Innovation and development of key technologies for hydraulic design of large scale pump system with low head
文章编号:
1007-7839(2021)12-0001-07
作者:
刘 军1;  施 伟1;  徐 磊2;  陆林广2
(1.南水北调东线江苏水源有限责任公司, 江苏 南京 210029; 2.扬州大学, 江苏 扬州 225009)
Author(s):
LIU Jun1;  SHI Wei1;  XU Lei2;  LU Linguang2
(1.The Eastern Route of South to North Water Diversion, Jiangsu Water Resource Co., Ltd., Nanjing 210029, China; 2.Yangzhou University, Yangzhou 225009, China)
关键词:
大型泵站;  低扬程泵装置;  水力设计;  关键技术;  创新与发展
Keywords:
large-scale pump station;  low head pump system;  hydraulic design;  key technology;  innovation and development
分类号:
TV675
文献标志码:
A
摘要:
我国低扬程泵站建设的水平经历了由低到高的发展过程，特别是南水北调东线一期工程的建设，促进低扬程泵站的关键技术取得了长足的进步; 为进一步满足南水北调东线二期工程等重大工程大型低扬程泵站的需要，对南水北调东线一期工程低扬程泵装置水力设计的关键技术进行了较为系统的总结和提炼。结果表明:南水北调工程水泵模型及水泵装置同台测试为保障我国低扬程泵装置水力设计质量作出了重要贡献; 大型低扬程泵装置的水泵选型新方法可保证低扬程泵站设计扬程工况位于泵装置高效运行区、最高扬程工况位于稳定运行区; 采用分层次优化水力设计方法可以有效完成低扬程泵装置流道优化水力设计工作; 立式低扬程泵装置宜优先采用肘形进水和虹吸式出水流道; 对于特低扬程泵站宜优先应用前置竖井贯流式泵装置，可满足结构稳定和水力性能优异的要求; 为实现泵站工程整体最优化设计，需要采用泵装置水力设计与泵房水工设计、结构设计之间的协同优化设计方法。
Abstract:
The construction level of low head pump station in China has experienced a development process from low to high, especially the construction of the first phase of the Eastern Route of the South to North Water Transfer Project, which has made great progress in promoting key technologies of low head pump station. In order to further meet the needs of large scale low head pump station of the second phase of the Eastern Route of the South to North Water Transfer Project, key hydraulic design techniques of the low head pump unit of the first phase of the Eastern Route of the South to North Water Transfer Project were systematically summarized and refined. The results showed that the water pump model of the South to North Water Transfer Project and the simultaneous testing of pump units had made important contributions to ensure the hydraulic design quality of low head pump units in China. The new method of pump selection for large low head pump unit could ensure that the design head condition of low head pump station located in efficient operation zone and the highest head condition located in stable operation zone. The hierarchical optimization hydraulic design method could effectively complete the flow channel optimization hydraulic design of low head pump unit. Elbow inlet and siphon outlet were preferred for vertical low head pump devices. For ultra low head pump station, it's advisable to apply pre shaft tubular pump device, which could meet requirements of stable structure and excellent hydraulic performance. In order to realize the overall optimization design of pump station, collaborative optimization design method between hydraulic design of pump unit, hydraulic design and structural design of pump house should be adopted.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2021-07-16
基金项目:国家自然科学基金(51309200,51779215); 江苏水利科技项目(2019015)
作者简介:刘军(1963—),男,研究员级高级工程师,主要从水利工程建设与管理方面的应用研究。E-mail:jsnsbdlj@sina.com
更新日期/Last Update: 2021-12-30