Article(id=1149774725825655407, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149774724923880044, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2404114, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1717344000000, receivedDateStr=2024-06-03, revisedDate=1738857600000, revisedDateStr=2025-02-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1752057256418, onlineDateStr=2025-07-09, pubDate=1745769600000, pubDateStr=2025-04-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752057256418, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752057256418, creator=13701087609, updateTime=1752057256418, updator=13701087609, issue=Issue{id=1149774724923880044, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='12', pageStart='4827', pageEnd='5272', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752057256203, creator=13701087609, updateTime=1768456746933, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218559174552764785, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149774724923880044, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218559174552764786, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149774724923880044, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=5037, endPage=5044, ext={EN=ArticleExt(id=1149774726052147826, articleId=1149774725825655407, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=DTS Synthesis Gas Pipeline Leakage or Damage Detection and Location Based on Adaptive Variance Threshold Algorithm, columnId=1172606853226840582, journalTitle=Science Technology and Engineering, columnName=Papers·Electronic and Communicational Technology, runingTitle=null, highlight=null, articleAbstract=
In the coal-water slurry gasification system, a reduction in the temperature of the syngas pipeline can cause acid gases to condense, which may lead to corrosion of the pipeline's inner surface and potentially result in perforation leaks. To enable prompt detection and precise localization of any leakage or damage within the syngas pipeline, The techniques were explored for identifying and locating such issues through distributed temperature sensing(DTS). An algorithm based on an adaptive variance threshold was proposed for DTS detection and localization. Initially, hierarchical clustering was utilized to recognize detected signals, facilitating differentiation between normal operating conditions and those indicative of leaks or damages. Following this, identified leak signals undergo processing via variance analysis combined with adaptive threshold settings to accurately determine leak or damage locations. This approach shows improved accuracy in pinpointing leak or damage sites compared to fixed threshold methods as well as selective average threshold methods, enhancing positioning precision by 0.32 m and 0.17 m respectively. A temperature measurement experiment conducted at a coal gasification facility successfully confirmed accurate identification of leakage or damage points.
, correspAuthors=Qiang WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Ling-yue BI, Qiang WANG, Yu-hang WU), CN=ArticleExt(id=1149774751004062029, articleId=1149774725825655407, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=基于自适应方差阈值算法的DTS合成气管道漏损检测与定位, columnId=1156908031230435950, journalTitle=科学技术与工程, columnName=论文·电子技术、通信技术, runingTitle=null, highlight=null, articleAbstract=
在水煤浆气化装置中合成气管道温度降低会造成酸性气体冷凝,对管道内壁产生腐蚀甚至导致穿孔泄漏。为及时发现合成气管道漏损点并精确定位,研究基于分布式光纤测温系统(distributed temperature sensing, DTS)的合成气管道漏损检测与定位。提出一种基于自适应方差阈值的DTS检测定位算法,首先运用层次聚类对检测到的信号进行识别,将漏损信号识别出来,然后将识别出的漏损信号经过方差处理、自适应阈值设定对漏损点位置进行定位,该算法能够对合成气管道漏损点进行定位。将该方法与固定阈值法和选择性平均阈值法进行比较,其定位精度分别提高了0.32 m和0.17 m。并在煤气化现场进行测温实验,对现场漏损点位置进行了精确定位。
, correspAuthors=王强, authorNote=null, correspAuthorsNote=
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1 College of Energy Environment and Safety Engineering, China Jiliang University, Hangzhou 310018, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1179790607418536106, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, authorId=1179790607233986726, language=CN, stringName=毕灵月, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 中国计量大学能源环境与安全工程学院, 杭州 310018, bio={"content":"
毕灵月(2000—),女,汉族,山东德州人,硕士研究生。研究方向:安全检测技术。E-mail:898500507@qq.com。
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毕灵月(2000—),女,汉族,山东德州人,硕士研究生。研究方向:安全检测技术。E-mail:898500507@qq.com。
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2 College of Measurement and Instrument, China Jiliang University, Hangzhou 310018, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1179790607955407028, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, authorId=1179790607779246257, language=CN, stringName=巫宇航, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 中国计量大学计量测试与仪器学院, 杭州 310018, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1179790607074603170, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, xref=2, ext=[AuthorCompanyExt(id=1179790607082991779, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, companyId=1179790607074603170, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 中国计量大学计量测试与仪器学院, 杭州 310018)])])], keywords=[Keyword(id=1179790608106401973, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, orderNo=1, keyword=coal gasification device), Keyword(id=1179790608177705142, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, orderNo=2, keyword=synthesis gas pipe), Keyword(id=1179790608240619703, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, orderNo=3, keyword=distributed optical fiber), Keyword(id=1179790608290951352, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, orderNo=4, keyword=leakage or damage location), Keyword(id=1179790608353865913, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, orderNo=5, keyword=cluster analysis), Keyword(id=1179790608416780474, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, orderNo=6, keyword=variance processing), Keyword(id=1179790608471306427, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, orderNo=1, keyword=煤气化装置), Keyword(id=1179790608542609596, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, orderNo=2, keyword=合成气管道), Keyword(id=1179790608681021629, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, orderNo=3, keyword=分布式光纤), Keyword(id=1179790608769102014, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, orderNo=4, keyword=漏损定位), Keyword(id=1179790608819433663, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, orderNo=5, keyword=聚类分析), Keyword(id=1179790608878153920, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, orderNo=6, keyword=方差处理)], refs=[Reference(id=1179790610522321110, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, doi=null, pmid=null, pmcid=null, year=2022, volume=41, issue=7, pageStart=3402, pageEnd=3412, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=杨学萍, journalName=化工进展, refType=null, unstructuredReference=杨学萍. 碳中和背景下现代煤化工技术路径探索[J].
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Synthesis gas pipeline simulation experimental device, figureFileSmall=WmMfFNqH4yLvf7iXcyV9pQ==, figureFileBig=j5eO34K3CYacqa/c7mJ8qA==, tableContent=null), ArticleFig(id=1179790609104646338, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, label=图1, caption=
合成气管道模拟实验装置, figureFileSmall=WmMfFNqH4yLvf7iXcyV9pQ==, figureFileBig=j5eO34K3CYacqa/c7mJ8qA==, tableContent=null), ArticleFig(id=1179790609192726723, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, label=Fig.2, caption=
Temperature signal detected by the DTS system, figureFileSmall=CNPGFRogfERYjjea/VWlvQ==, figureFileBig=WtSHd/6Kfj8NVtqyCO74Kw==, tableContent=null), ArticleFig(id=1179790609264029892, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, label=图2, caption=
DTS系统检测的温度信号, figureFileSmall=CNPGFRogfERYjjea/VWlvQ==, figureFileBig=WtSHd/6Kfj8NVtqyCO74Kw==, tableContent=null), ArticleFig(id=1179790609335333061, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, label=Fig.3, caption=
Clustering results of pipeline leakage signals, figureFileSmall=GCmmocKGrbo/Aur3Y2WPeQ==, figureFileBig=IjfrBPSRuPmx0mekpFK/kQ==, tableContent=null), ArticleFig(id=1179790609423413446, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, label=图3, caption=
管道漏损信号聚类结果, figureFileSmall=GCmmocKGrbo/Aur3Y2WPeQ==, figureFileBig=IjfrBPSRuPmx0mekpFK/kQ==, tableContent=null), ArticleFig(id=1179790609477939399, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, label=Fig.4, caption=
Fixed threshold positioning, figureFileSmall=bRqx69W65H/R8fj1si+Kzg==, figureFileBig=Msin3TJtBzWLFxJvynddGQ==, tableContent=null), ArticleFig(id=1179790609532465352, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, label=图4, caption=
固定阈值定位, figureFileSmall=bRqx69W65H/R8fj1si+Kzg==, figureFileBig=Msin3TJtBzWLFxJvynddGQ==, tableContent=null), ArticleFig(id=1179790609586991305, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, label=Fig.5, caption=
Selective average threshold positioning, figureFileSmall=/AH4QvpTH+bF9OfnBDI4jQ==, figureFileBig=feZ1jSOtRgAtG6UH2zYh0A==, tableContent=null), ArticleFig(id=1179790609649905866, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, label=图5, caption=
选择性平均阈值定位, figureFileSmall=/AH4QvpTH+bF9OfnBDI4jQ==, figureFileBig=feZ1jSOtRgAtG6UH2zYh0A==, tableContent=null), ArticleFig(id=1179790609708626123, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, label=Fig.6, caption=
Adaptive variance threshold positioning, figureFileSmall=qYikhqZx2d6Q7g3zajcMeg==, figureFileBig=MRKiSPK8QvAXC+FuVP+SfQ==, tableContent=null), ArticleFig(id=1179790609767346380, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=CN, label=图6, caption=
自适应方差阈值定位, figureFileSmall=qYikhqZx2d6Q7g3zajcMeg==, figureFileBig=MRKiSPK8QvAXC+FuVP+SfQ==, tableContent=null), ArticleFig(id=1179790609834455245, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, label=Fig.7, caption=
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现场实验设计方案, figureFileSmall=kmAqC+OyS4aq2i36hST87Q==, figureFileBig=ctUNJ2h4AYjy/1ujFzo2Dg==, tableContent=null), ArticleFig(id=1179790609968672975, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774725825655407, language=EN, label=Fig.8, caption=
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