Article(id=1222925297532527390, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222925278838513745, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20220751, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1649520000000, receivedDateStr=2022-04-10, revisedDate=1652889600000, revisedDateStr=2022-05-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1769497711785, onlineDateStr=2026-01-27, pubDate=1677254400000, pubDateStr=2023-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769497711785, onlineIssueDateStr=2026-01-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769497711785, creator=13701087609, updateTime=1769497711785, updator=13701087609, issue=Issue{id=1222925278838513745, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='2', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769497707328, creator=13701087609, updateTime=1769497707328, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=137, endPage=140, ext={EN=ArticleExt(id=1222925297826128687, articleId=1222925297532527390, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study of Water Hammer Protection for Oujiang River Pumping Station Project, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

Accident pump-stopping water hammer is a technical problem that needs to be highly valued in long-distance pressurized water diversion projects. This paper carried out calculation and analysis of hydraulic transition process on the Oujiang River Diversion Project. The loss of power accident of four pumps under maximum lift was taken as control condition, and the loss of power accident of single pump was taken as verification conditions. The optimization of pump outlet valve closing law was taken as the main water hammer protection measure. The research shows that when the butterfly valve at the outlet of the pump refuses to operate, the pressure and flow in the pipeline fluctuate more violently than that of the single pump during pump trip accident, and the reverse speed of the pump does not meet the specification requirements. By adopting the two-stage broken line closing law of the pump outlet butterfly valve, a better water hammer protection effect can be obtained.

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事故停泵水锤是长距离有压引水工程需要高度重视的技术问题,针对瓯江引水工程,以最大扬程下4台水泵事故断电作为控制工况,单泵事故断电作为验证工况,开展事故断电水力过渡过程计算分析,将优化泵出口阀门关闭规律作为主要的水锤防护措施。研究表明,泵出口蝶阀拒动情况下,4台水泵同时事故断电工况较单泵事故断电工况管线中压力、流量波动更加剧烈,水泵反转转速均不满足规范要求;泵出口蝶阀优化采用两段折线关闭规律,可以获得较好的水锤防护效果。

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董合费(1976-),男,高级工程师,研究方向为工程水力学、水工结构,E-mail:

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董合费(1976-),男,高级工程师,研究方向为工程水力学、水工结构,E-mail:

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董合费(1976-),男,高级工程师,研究方向为工程水力学、水工结构,E-mail:

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瓯江引水工程泵站水锤防护研究
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董合费 1 , 黄小燕 2 , 王生 1
水电能源科学 | 水利水电工程 2023,41(2): 137-140
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水电能源科学 | 水利水电工程 2023, 41(2): 137-140
瓯江引水工程泵站水锤防护研究
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董合费1 , 黄小燕2, 王生1
作者信息
  • 1.温州市瓯江引水发展有限公司,浙江 温州 325000
  • 2.浙江珊溪水利水电开发有限公司,浙江 温州 325000
  • 董合费(1976-),男,高级工程师,研究方向为工程水力学、水工结构,E-mail:

Study of Water Hammer Protection for Oujiang River Pumping Station Project
He-fei DONG1 , Xiao-yan HUANG2, Sheng WANG1
Affiliations
  • 1.Wenzhou Ou River Water Diversion Development Co., Ltd, Wenzhou 325000, China
  • 2.Zhejiang Shanxi Water Conservancy & Hydropower Development Co., Ltd., Wenzhou 325000, China
出版时间: 2023-02-25 doi: 10.20040/j.cnki.1000-7709.2023.20220751
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事故停泵水锤是长距离有压引水工程需要高度重视的技术问题,针对瓯江引水工程,以最大扬程下4台水泵事故断电作为控制工况,单泵事故断电作为验证工况,开展事故断电水力过渡过程计算分析,将优化泵出口阀门关闭规律作为主要的水锤防护措施。研究表明,泵出口蝶阀拒动情况下,4台水泵同时事故断电工况较单泵事故断电工况管线中压力、流量波动更加剧烈,水泵反转转速均不满足规范要求;泵出口蝶阀优化采用两段折线关闭规律,可以获得较好的水锤防护效果。

引水工程  /  事故断电  /  泵站  /  阀调节  /  水锤防护

Accident pump-stopping water hammer is a technical problem that needs to be highly valued in long-distance pressurized water diversion projects. This paper carried out calculation and analysis of hydraulic transition process on the Oujiang River Diversion Project. The loss of power accident of four pumps under maximum lift was taken as control condition, and the loss of power accident of single pump was taken as verification conditions. The optimization of pump outlet valve closing law was taken as the main water hammer protection measure. The research shows that when the butterfly valve at the outlet of the pump refuses to operate, the pressure and flow in the pipeline fluctuate more violently than that of the single pump during pump trip accident, and the reverse speed of the pump does not meet the specification requirements. By adopting the two-stage broken line closing law of the pump outlet butterfly valve, a better water hammer protection effect can be obtained.

water diversion project  /  accident power failure  /  pumping station  /  valve regulation  /  water hammer protection
董合费, 黄小燕, 王生. 瓯江引水工程泵站水锤防护研究. 水电能源科学, 2023 , 41 (2) : 137 -140 . DOI: 10.20040/j.cnki.1000-7709.2023.20220751
He-fei DONG, Xiao-yan HUANG, Sheng WANG. Study of Water Hammer Protection for Oujiang River Pumping Station Project[J]. Water Resources and Power, 2023 , 41 (2) : 137 -140 . DOI: 10.20040/j.cnki.1000-7709.2023.20220751
  • 浙江省水利厅科技计划重大项目(RA1803; RA2011)
  • 国家重点研发计划(2016YFB0502604; 2016YFC0402502)
2023年第41卷第2期
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doi: 10.20040/j.cnki.1000-7709.2023.20220751
  • 接收时间:2022-04-10
  • 首发时间:2026-01-27
  • 出版时间:2023-02-25
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  • 收稿日期:2022-04-10
  • 修回日期:2022-05-19
基金
浙江省水利厅科技计划重大项目(RA1803; RA2011)
国家重点研发计划(2016YFB0502604; 2016YFC0402502)
作者信息
    1.温州市瓯江引水发展有限公司,浙江 温州 325000
    2.浙江珊溪水利水电开发有限公司,浙江 温州 325000
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
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占总种数比例
Percentage of
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Genus
种数
Number of
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占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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