蓄熱式重力壓縮儲能裝置及發(fā)電系統(tǒng)研究

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中圖分類號：TM91 文獻標志碼：A 文章編號：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

儲能能夠為電網(wǎng)運行提供調(diào)峰、調(diào)頻、備用、黑啟動和需求響應(yīng)支撐等多種服務(wù)，是提升電網(wǎng)運行可靠性、靈活性、經(jīng)濟性的重要技術(shù)措施之一。（剩余8709字）