蓄热式重力压缩储能装置及发电系统研究

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中图分类号：TM91 文献标志码：A 文章编号：2095-2945(2025)14-0043-05

Abstract:Withtherapiddevelopmentof renewableenergy，thedemandforvarious typesof energystorage technologiesin thepowergridcontinuestogrow.Gravityenergystorageisenvironmentallfriendlyandeconomicalandhasreceivedwidespread atentioninthepowerfieldinrecentyears.Inthispaper,agravitycompressdairenergystoragedeviceandpowergeneration systembasedonaregenerativegravityblockaredesigned.Theenergystorage deviceincludesashaft,agravitycolumn,a piston,etc.，andthepowergenerationsystemincludesaverticalelevatorandagenerator.Bydividingthegravityplungerinto multiplegravitycolumnsarangedlayerbylayer,thegravitycolumnsarelimitedthroughalimitmechanism，andthegravity actingonthegasstoragechamberischanged toachievepressureadjustment.Thereisnoneedtoadjusttheadjustingvalveof theairexpansionunittoadjusttheincominggasflowandpresure,achievingenergy-savingefect.Atthesametime,the compressedgasandthegasintroducedintotheairexpansionunitduring theexpansion process passthroughtheheatstorage materialandatechangeuringthecompresionandexpansionrocesisalizedtroughtheheatstoagematealhre isnoneedtoarangeadditionalheatexchangeunits,which improvestheflexibilityofsystemdesignandhaspracticalvalue.

Keyords:regenerative gravitycompresion energystorage device;power generationsystem;thermalstoragematerial;heat exchange; renewable energy

储能能够为电网运行提供调峰、调频、备用、黑启动和需求响应支撑等多种服务，是提升电网运行可靠性、灵活性、经济性的重要技术措施之一。（剩余8709字）