Article(id=1213131710372430338, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1213131702797517129, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202306105, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1687276800000, receivedDateStr=2023-06-21, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1767162738649, onlineDateStr=2025-12-31, pubDate=1708790400000, pubDateStr=2024-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1767162738649, onlineIssueDateStr=2025-12-31, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1767162738649, creator=13701087609, updateTime=1767162738649, updator=13701087609, issue=Issue{id=1213131702797517129, tenantId=1146029695717560320, journalId=1210938733613449225, year='2024', volume='53', issue='2', pageStart='1', pageEnd='198', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1767162736844, creator=13701087609, updateTime=1767168616029, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1213156361978954089, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1213131702797517129, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1213156361978954090, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1213131702797517129, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=192, endPage=198, ext={EN=ArticleExt(id=1213131711945294364, articleId=1213131710372430338, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Selection of load variation factor of spring hanger and optimization design of steam/water pipe support and hanger, columnId=1211002409397129992, journalTitle=Thermal Power Generation, columnName=Power generation technology forum, runingTitle=null, highlight=null, articleAbstract=
At present, China’s thermal power plant steam/water pipeline design standard stipulates that the load variation coefficient of spring hangers should not exceed 25%. Accordingly, the designed proportion of the constant support hanger is too high, and the “illegal” transfer of the load will cause the pipe operation deviates from the design line, and the stress increases. This paper analyzes the relationship between the constant degree and the load variability factor of constant hanger. The optimization design case shows that, properly increasing the load variation coefficient of spring hangers in the design of steam/water pipelines can increase the proportion of spring hanger configuration and reduce the occurrence of abnormal pipeline expansion.
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目前,我国火力发电厂汽水管道设计标准规定,弹簧吊架荷载变化系数不应大于25%,据此设计的管道系统恒力吊架比例过高,其荷载“非法”转移会造成管道偏离设计线运行,应力升高。分析了恒力吊架恒定度与荷载变化系数的关系并给出了优化设计案例,研究结果表明,在汽水管道设计中适当增大弹簧吊架荷载变化系数,可增大弹簧吊架配置占比,减少管道膨胀异常现象的发生。
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, authorsList=康豫军, 安付立, 吴晓俊, 程勇明, 孙克学, 彭钰君)}, authors=[Author(id=1213131714105361060, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=kangyujun@tpri.com.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1213131714222801579, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, authorId=1213131714105361060, language=EN, stringName=Yujun KANG, firstName=Yujun, middleName=null, lastName=KANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1213131714361213617, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, authorId=1213131714105361060, language=CN, stringName=康豫军, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.西安热工研究院有限公司,陕西 西安 710054, bio={"content":"
康豫军(1964),男,正高级工程师,主要研究方向为管道支吊架优化设计与调整、管道振动分析、部件失效分析等,kangyujun@tpri.com.cn。
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康豫军(1964),男,正高级工程师,主要研究方向为管道支吊架优化设计与调整、管道振动分析、部件失效分析等,kangyujun@tpri.com.cn。
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恒力吊架位移-荷载曲线, figureFileSmall=IlfkL/crrxJAP9SUH8i80Q==, figureFileBig=T5PkqyTlsw+838UCVYC3YA==, tableContent=null), ArticleFig(id=1213131719151109073, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=EN, label=Fig.2, caption=
The constant degree measurement curves of partial in-service constant force hangers, figureFileSmall=HDLsHu2/C6PxTQc/Lx6QLQ==, figureFileBig=vxGJ4+OQz7vmoCG7Idd7Kw==, tableContent=null), ArticleFig(id=1213131719234995161, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=CN, label=图2, caption=
部分在役恒力吊架恒定度测量曲线, figureFileSmall=HDLsHu2/C6PxTQc/Lx6QLQ==, figureFileBig=vxGJ4+OQz7vmoCG7Idd7Kw==, tableContent=null), ArticleFig(id=1213131719381795810, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=EN, label=Fig.3, caption=
Schematic diagram of layout of high temperature reheat steam piping and supports and hangers before and after optimization (mm), figureFileSmall=C2tY4tlo2Vq630hXdmnaFQ==, figureFileBig=AlonWujChIhnA5GH9wRUlw==, tableContent=null), ArticleFig(id=1213131719453098982, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=CN, label=图3, caption=
原设计管道与优化设计后管道支吊架布置示意(mm), figureFileSmall=C2tY4tlo2Vq630hXdmnaFQ==, figureFileBig=AlonWujChIhnA5GH9wRUlw==, tableContent=null), ArticleFig(id=1213131720665252843, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=EN, label=Fig.4, caption=
Loads of the supports and hangers before and after optimization, figureFileSmall=aWQ9MMmOIISSD+q7SunuGg==, figureFileBig=o9hJZPTiwLEpne2wxRsGuQ==, tableContent=null), ArticleFig(id=1213131720774304754, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=CN, label=图4, caption=
优化设计前后支吊架荷载对比, figureFileSmall=aWQ9MMmOIISSD+q7SunuGg==, figureFileBig=o9hJZPTiwLEpne2wxRsGuQ==, tableContent=null), ArticleFig(id=1213131720921105398, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=EN, label=Fig.5, caption=
The value of hot displacement in Z direction before and after optimization, figureFileSmall=92suA5DRzGxANZw9Syrdbg==, figureFileBig=qH+pA983UOVRPda/q6si+Q==, tableContent=null), ArticleFig(id=1213131721017574396, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=CN, label=图5, caption=
优化设计前后支吊架垂直热位移对比, figureFileSmall=92suA5DRzGxANZw9Syrdbg==, figureFileBig=qH+pA983UOVRPda/q6si+Q==, tableContent=null), ArticleFig(id=1213131721143402503, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=EN, label=Tab.1, caption=
The relationship between the load variability factor of constant hanger, the constant degree and variability factor
, figureFileSmall=null, figureFileBig=null, tableContent=
| 系数k | 荷载偏差度/% | 恒定度/% | 荷载变化系数/% |
|---|
| 1.0 | 5.0 | 2.56 | 5.0 |
| 0.5 | 5.0 | 5.00 | 10.0 |
| 10.0 | 10.0 | 20.0 |
| 0 | 0 | 6.00 | 12.8 |
| 0 | 10.00 | 22.2 |
), ArticleFig(id=1213131721265037322, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=CN, label=表1, caption=
恒力吊架荷载偏差、恒定度与荷载变化系数的关系
, figureFileSmall=null, figureFileBig=null, tableContent=
| 系数k | 荷载偏差度/% | 恒定度/% | 荷载变化系数/% |
|---|
| 1.0 | 5.0 | 2.56 | 5.0 |
| 0.5 | 5.0 | 5.00 | 10.0 |
| 10.0 | 10.0 | 20.0 |
| 0 | 0 | 6.00 | 12.8 |
| 0 | 10.00 | 22.2 |
), ArticleFig(id=1213131721344729100, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=EN, label=Tab.2, caption=
The test results of some constant support hangers
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 吊架型号 | 标准荷载/N | 设计值与最大或最小值的偏差度/% | 恒定度/% | 荷载变化系数/% |
|---|
| 11 | LHA32 | 24 013 | 23.7 | 13.4 | 23.5 |
| 402 | LHC40 | 20 756 | 39.6 | 24.6 | 55.1 |
| 23 | PHE49 | 22 119 | 39.6 | 31.2 | 54.7 |
| 208 | PE37 | 21 753 | 35.1 | 24.5 | 42.2 |
| 201 | PHE-55 | 47 939 | 9.7 | 9.1 | 18.4 |
| 2016 | PHE-60 | 52 528 | 13.0 | 11.2 | 22.0 |
| 2026 | PHE-56 | 88 205 | 17.2 | 17.6 | 35.0 |
| BQ058 | ALSTON | 27 937 | 11.4 | 8.1 | 15.6 |
| BQ029 | ALSTON | 25 917 | 10.8 | 6.7 | 12.8 |
| BQ030 | ALSTON | 25 917 | 15.8 | 11.8 | 22.5 |
), ArticleFig(id=1213131721428615185, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=CN, label=表2, caption=
部分恒力吊架性能测量结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 吊架型号 | 标准荷载/N | 设计值与最大或最小值的偏差度/% | 恒定度/% | 荷载变化系数/% |
|---|
| 11 | LHA32 | 24 013 | 23.7 | 13.4 | 23.5 |
| 402 | LHC40 | 20 756 | 39.6 | 24.6 | 55.1 |
| 23 | PHE49 | 22 119 | 39.6 | 31.2 | 54.7 |
| 208 | PE37 | 21 753 | 35.1 | 24.5 | 42.2 |
| 201 | PHE-55 | 47 939 | 9.7 | 9.1 | 18.4 |
| 2016 | PHE-60 | 52 528 | 13.0 | 11.2 | 22.0 |
| 2026 | PHE-56 | 88 205 | 17.2 | 17.6 | 35.0 |
| BQ058 | ALSTON | 27 937 | 11.4 | 8.1 | 15.6 |
| BQ029 | ALSTON | 25 917 | 10.8 | 6.7 | 12.8 |
| BQ030 | ALSTON | 25 917 | 15.8 | 11.8 | 22.5 |
), ArticleFig(id=1213131721516695575, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=EN, label=Tab.3, caption=
Comparison of maximum secondary stress before and after the optimized design of high-temperature reheated steam pipeline supports and hangers
, figureFileSmall=null, figureFileBig=null, tableContent=
| 管种/mm | 最大应力点位置(原设计/优化设计) | 原设计二次应力最大值/MPa | 优化设计二次应力最大值/MPa | 原设计、优化设计二次应力允许值/MPa | 二次应力变化/% |
|---|
| Ф686.0×24.5 | S1/S5 | 93.8 | 78.2 | 234.6、232.8 | –16.7 |
| Ф983.8×33.5 | S2/S6 | 91.3 | 102.3 | 233.2、233.2 | 12.0 |
| Ф682.0×23.5 | S3/S7 | 114.0 | 138.4 | 233.1、233.1 | 21.3 |
| 902三通点 | S4/S8 | 166.2 | 181.6 | 218.8、219.0 | 9.3 |
), ArticleFig(id=1213131721608970269, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1213131710372430338, language=CN, label=表3, caption=
高温再热蒸汽管道支吊架优化设计前后最大二次应力对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 管种/mm | 最大应力点位置(原设计/优化设计) | 原设计二次应力最大值/MPa | 优化设计二次应力最大值/MPa | 原设计、优化设计二次应力允许值/MPa | 二次应力变化/% |
|---|
| Ф686.0×24.5 | S1/S5 | 93.8 | 78.2 | 234.6、232.8 | –16.7 |
| Ф983.8×33.5 | S2/S6 | 91.3 | 102.3 | 233.2、233.2 | 12.0 |
| Ф682.0×23.5 | S3/S7 | 114.0 | 138.4 | 233.1、233.1 | 21.3 |
| 902三通点 | S4/S8 | 166.2 | 181.6 | 218.8、219.0 | 9.3 |
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