综述93NO.052023节能ENERGYCONSERVATION国内城市燃气钢质管道应急抢修封堵技术进展祁丽荣1张诚1*付凯2黄文尧1邢琳琳1孙德芝1(1.北京市燃气集团有限责任公司,北京100035;2.北京天兴燃气工程有限公司,北京100071)摘要:燃气管道受地下环境、第三方施工破坏、管道施工质量、服役年限等多种因素影响,容易发生管道腐蚀泄漏和外力创伤泄漏事故。详细阐述管道的停输和不停输应急抢修技术研究进展。其中,停输应急抢修技术包括快速阻断装置和翻转内衬修复技术;不停输应急抢修技术包括膨胀筒式封堵技术、传统塞式封堵技术、快速堵漏技术以及环氧树脂套筒修复技术等,着重对比分析新塞式封堵技术的特点和优势。此外,对智能封堵技术的发展与研究现状进行分析和总结。在总结我国抢修技术设备的基础上,提出城市燃气管道抢修技术的未来发展方向。关键词:城市燃气;管道抢修;不停输封堵;停输封堵;应急抢修中图分类号:TE973文献标识码:A文章编号:1004-7948(2023)05-0093-04doi:10.3969/j.issn.1004-7948.2023.05.025StatusonemergencyrepairandpluggingtechnologyofdomesticurbangaspipelinesQILi-rongZHANGChengFUKaiHUANGWen-yaoXINGLin-linSUNDe-zhiAbstract:Gaspipelinesareaffectedbyvariousfactorssuchasundergroundenvironment,third-partyconstructiondamage,pipelineconstructionquality,servicelifeandotherfactors,andarepronetopipelinecorrosionleakageandexternaltraumaleakageaccidents.Progressofpipelineshutdownandnon-stopemergencyrepairtechnologywasintroduced.Theemergencyrepairofthestoptransmissionintroducedtherapidblockingdeviceandtherepairtechnologyoftheflipliner,andthenon-stopemergencyrepairtechnologyintroducesexpansioncylindersealingtechnology,traditionalplugpluggingtechnology,rapidleakagepluggingtechnologyandepoxyresinsleeverepairtechnology.Focusontheanalysisandcomparisonofthecharacteristicsandadvantagesofthenewplugsealingtechnology.Inaddition,thedevelopmentofintelligentblockingtechnologywithtechnicalprospectsandrapiddevelopmentisanalyzedandexplained.Onthebasisofthesummaryoftheprogressofdomesticemergencyrepairtechnologyandequipment,thefuturedevelopmenttrendofurbangaspipelineemergencyrepairtechnologyisproposed.Keywords:urbangas;pipelinerepair;non-s...