长距离有压输水工程停泵水锤模拟及防护研究

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中图分类号：TV674 文献标志码：A

doi：10.3969/j.issn.1000-1379.2026.01.020

Simulation and Protection Study of Pump Trip Water Hammer in Long-Distance Pressurized Water Conveyance Projects

GUO Chu， ZHANG Tao’，WANG Danna，CHEN Zhao'， ZHENG Yuan （1.Nanjing WaterPlaningandDesignInstituteCo.，Ltd.，Nanjing21oo14，China;.East China TianhuangpingPumped Storage PowerCo.，Ltd.，Huzhou3330，China；3.ColegfElectricalandowerEngeig，HhaiUniversity，NanjngCna） Abstract：Tostudytewaterhmrdurigputriilg-distaepreurizedwatertransmissoprojects，echaracteristiceet odwasusedtoumecllysulateactalpressudwatertransmisioproetsTissdyalydndedtimpctofeaece ofwaterhammerprotectioeasures，theistalltionofceckvalveprotectiomeasures，ndotroltrategesonwaterhmerasedon this，awaterhamerprotectioshemecombingairvalveandcheckvalveasproposd，andsnstivityaalysisasonductdotheprametersf heairvalve.Teresultsinicatetathenwithoutwaterhamerprotectionmeasures，pumptripinaccidentswillresultincontinuousreversalof thepumpandsevere negativepresurealongthewaterpipeline；Whenusing two-stageclosingcheckvalveprotection measures，optiingthevlelosurestateanmprovetemaxiumpresuroftpipelinendteevesaloftewaterpuputth improvementectotengativepressureisidetepeliisotsignificant；Tejintistalltiooffstforwardndostir valvescaefectivelyimprovetheseriousnegativepressureproblem.Thediameteroftheairvalvehasasignificantimpactonthewater hammer protection effect，and there is an optimal solution.

Key words： water hammer protection measure； slow closing check valve；air valve；water conveyance system

0 引言

长距离输水工程的建设对于解决水资源空间分布不均具有重要意义[1]。（剩余6719字）