电力行业节能8节能ENERGYCONSERVATIONNO.012023天然气余压发电系统评估体系研究曾鹏升1,2李佳忆3林冬1,2赵靓1,2程思杰1,2游香杨1,2(1.中国石油西南油气田公司安全环保与技术监督研究院,四川成都610041;2.国家能源高含硫气藏开采研发中心安全环保技术研究所,四川成都610041;3.国家管网集团西南管道有限责任公司贵州省管网有限公司,贵州贵阳550081)摘要:引入出力系数、运行系数等指标,通过量化转化效率、技术成熟先进性、运行安全可靠性和经济效益评估天然气余压发电系统的运行情况,形成完整的余压发电评估体系。为了验证评估体系的准确性,基于层次分析评价方法对某调压站的余压发电运行情况进行了评价。结果显示:调压站能量利用效率为45.2%~58.9%,技术成熟度为9级,运行安全可靠性处于较高水平,静态投资回收期为5.1a,与实际情况吻合,证明了建立的评价方法具有较好的可行性。关键词:天然气;余压发电系统;评估体系中图分类号:TM619文献标识码:A文章编号:1004-7948(2023)01-0008-04doi:10.3969/j.issn.1004-7948.2023.01.003ResearchonevaluationsystemofnaturalgasresidualpressurepowergenerationsystemZENGPeng-shengLIJia-yiLINDongZHAOLiangCHENGSi-jieYOUXiang-yangAbstract:Theindicatorssuchasoutputfactorandoperationcoefficientareintroduced,andtheoperationofthenaturalgasresidualpressurepowergenerationsystemisevaluatedbyquantifyingconversionefficiency,technologyreadinessandadvancement,operationsafetyandreliabilityandeconomicbenefits,andacompleteresidualpressurepowergenerationevaluationsystemisformed.Inordertoverifytheaccuracyoftheevaluationsystem,theoperationoftheresidualpressurepowergenerationofacertainpressureregulatingstationisevaluatedbasedontheanalytichierarchyevaluationmethods.Theresultsshowthattheenergyutilizationefficiencyofthepressureregulatingstationis45.2%~58.9%,thetechnicalreadinesslevelis9,theoperationsafetyandreliabilityareatahighlevel,andthestaticinvestmentpaybackperiodis5.1years,whichisconsistentwiththeactualsituation.Itprovesthattheestablishedevaluationmethodhasgoodfeasibility.Keywords:naturalgas;residualpressurepowergenerationsystem;evaluationsystem引言天然气多采用高压力长距离运输,2020年我国天然气输送管...