掺氢输送对长输天然气管网标准体系的影响研究

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Impact of Hydrogen Blending on the Standards System of Long-Distance Natural Gas Pipeline Networks

TAN Xiao1 CAO Yan1 LIU Ruijun1 LIU Bing1 ZUO Lili² ZHANG Jialu² RUAN Jing² （1. Science and Technology Research Institute， PipeChina Group; 2. China University of Petroleum， Beijing）

Abstract：[Objective]This studyaims to investigate the impactofhydrogen blendingontheexisting standardssystem for long-distance natural gaspipeline networksandassessthe applicabilityof thestandardssystem.[Methods]Through literature reviewandanalysis，thestudyevaluates thecurrentstateofChina’snatural gas pipelinestandards.Itexamines theffectsof hydrogen blending on the physical and chemical propertiesof natural gas，transmision characteristics，metering accuracy， materialcompatibilityandpipelineoperationalsafety.Basedontheseanalyses，targetedsuggestionsare made toimprove andsupplement thetechnical contentofrelevant standards.[Results]The existing standards system for natural gas pipelines is generallyapplicabletoydrogen-blendedtransmision.However，keyareasrquirespecializedresearchndrvisios to ensuresafeandeffective implementation，includingthedevelopmentofnew，dedicatedstandards.[Conclusion]Establishng a dedicated hydrogen transmisionstandardssystem，alongwithasystematicplan forstandarddevelopmentandrevision，is essential to support the safe，efcient，and economical transportationofhydrogen-natural gas mixtures.

Keywords：hydrogen blending;long-distancepipeline; standardssystem

0 引言

氢作为未来主要的可持续能源载体之一，具有巨大潜力。（剩余13926字）