基于AMESim的跳汰机供风用安全阀的设计

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1、Mar．20l5HydromechatronicsEngineeringVo1．43N0．6HydromechatronicsEngineeringhttp：／／jdy．qks．cqut．edu．cnE-mail：jdygcyw@126．comResearchofsafetyvalveforairedjigbased0nAMESimLin—chaoANrWeiWANG，HuYANG，(ItenanMechanicalandElectricalEngineeringCollege，Xinxiang453002，ChinⅡ)(2PetroChinaBaojiOilfieldMachiner

2、yCo．，Ltd，Baoji721100，China)Abstract：Sievecoalhasadirectimpactonthejig’swindsystempressurequality．thepaperdesignedthestruc．turalandperformanceparametersofPilotsafetyvalveforlowpressurebyanalyzingtheworkingprincipleofthejigwithasafetyvalveforthewind，andvalidatedtheresultsbyusingthesimulationsoftwa

3、reAMESim．TheresuItsshowthatthedesignofthelow—pressurepilotvalveactionperformancecouldmeettherequirementsforsteadypressureairsystem．Keywords：Jig，Airsystem，Safetyvalve，AMESimdoi：10．3969／j．issn．1001-3881．2015．06．032Documentcode：ACLCnumber：TIM55quipmentworkinglife，jigairsupplysystemmustbeinstalledin

4、lowvoltagefullyopensafetyvalvetokeep1Introductionairpressurestable[2-3]．Whentheairsupplysystemworks，thepressureisAtpresent，thesievecoalmodehaveJiggingma—relativelylow，generallyitismaintainedaround0．035chineselection，movingsievejigging，winnowing，MPa(referstotherelativepressure)；theflowrateisspira

5、lseparationetc．intheDr0cessofcoalwashingabout100m／min．Generalspringsafetyvalve．theandprocessing．Thejiggingcoalisthemainsepara．backpressureisalmostzero，andwithaspringtopro—tionprocessandjigisthemajorseparationequipmentvidesealingforceinsuchalowpressurereliefvalvewidelyused．Accordingtothecoalwashi

6、ngstatisticssealingforceisalmostzero，anditcannotmeetre—dataobtainedaroundtheworldeveryyear，sievecoalquirementsoftheairsupplysystem．Therefore，lowbyusingjigisaboutmorethan50％，inourcountry，pressureandlargeflowrateofsafetyvalveforjiggeritismorethan70％[1]．airsystemisveryimportant，anditissupposedtobeD

7、uringtheworkingprocess，theoutletpressureofreliableintheconditionoflowpressureandmeetalljigcouldvaryaccordingtowiththechangeofload．therequirementsandstandardsofmineJig[4]．Whentheloadistoolarge．theexcessamountofwindwillnotbedi