成品油管道水击保护.pdfVIP

2008矩 譬 技 术 -5 设 各 2008 第 5期 Pipeline Technique and Equipment NO．5 成品油管道水击保护 赵海俊 ，邰宝杰 (1．华东管道设计研究院，江苏徐州 221008；2．中国石油天然气管道工程有限公司，河北廊坊 065000) 摘要：长距离成品油管道在密闭输送过程中，出现非正常停泵、误关阀门及混油界面经过泵等均会引起水击现象发 生。水击波沿管道传播，极 易导致管道局部超压而造成管道破裂、损坏设备等，故水击保护成为成品油管道密闭输送关键 性的工艺技术之一。金嘉湖成品油管道在全线水击保护控制方面采用了进 出站压力调节系统、分输站分油流量调节系 统、出站压力超高泄放系统、进站低压泄放保护系统、进 出站压力超限停泵联锁保护系统来保证管道事故工况时的安全。 关键词：成品油管道；水击保护；工况分析 中图分类号：TE832 文献标识码：A 文章编号：1004—9614(2008)05—0015—02 ProtectingtheLong-distanceRefinedOilPipeline from W aterHammerdamaging ZHAOHai-jun。．TAIBao-jie (1．East-ChinaPipelinePesign ResearchInstitute，Xuzhou221008，China； 2．ChinaPetroleum PipelineEngineeringCorporation (CPPE)，Langfang065000，China) Abstract：Duringthecourseofthelongdistancerefined oiltransportation，theabnormalpump stopping＆ closingofthe valvesincautiouslymaywillleadtowaterhammer．Whenthemixed oilinterfacepassesthroughpumps，therewilloccurwater hammer．Whenthewaterhammerwavepropagatesalongpipeline ，itwillleadtoanexcessivepressureofonthepipelinepartly． Thiswillcausepipelinebreaking＆equipmentdma aging．So．waterhmamerprotectingbecomesoneofthecrucialengineeringtech— nologyiesintheclosednesspipelinetransportationofrefinedoil．Theregulatingsystem ofup ＆downpressureofstations．thevol— aBeregulatingsystem ofreceivingstations，thesystem ofreleasingoilwhenthepressureexeessdssshtegivenpressure，thesystem of releasingoilwhenhtepressureislowerthanthegivenpressureandthesystem ofpumpsotpinglinkedtotheup＆downpressure ofstations，isusedtoprotectthepipelineduringhteaccidentoperatingmodefrom waterhma merdamagingintheJinshan—Jiaxing· Huzhourefinedpipeline． Keywords：refine