Article(id=1320422992736268765, tenantId=1146029695717560320, journalId=1319355204128309394, issueId=1320422991322796787, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1001-4837.2026.01.005, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1749052800000, receivedDateStr=2025-06-05, revisedDate=1766678400000, revisedDateStr=2025-12-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1792742973741, onlineDateStr=2026-10-23, pubDate=1769702400000, pubDateStr=2026-01-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792742973741, onlineIssueDateStr=2026-10-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792742973741, creator=13701087609, updateTime=1792742973741, updator=13701087609, issue=Issue{id=1320422991322796787, tenantId=1146029695717560320, journalId=1319355204128309394, year='2026', volume='43', issue='1', pageStart='1', pageEnd='86', issueExtLink='null', onlineDate='null', pubDate='1769702400000', pubDateStr='2026-01-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792742973404, creator='13701087609', updateTime=1792745324599, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320432853012304549, tenantId=1146029695717560320, journalId=1319355204128309394, issueId=1320422991322796787, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320432853016498854, tenantId=1146029695717560320, journalId=1319355204128309394, issueId=1320422991322796787, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=34, endPage=42, ext={EN=ArticleExt(id=1320422993008898526, articleId=1320422992736268765, tenantId=1146029695717560320, journalId=1319355204128309394, language=EN, title=Stress analysis and structural optimization of decoking drums with dual tangential inlets, columnId=1320422992044217077, journalTitle=Pressure Vessel Technology, columnName=Designs & Analyses, runingTitle=null, highlight=null, articleAbstract=
Aiming at the local stress concentration problem at the large‑section rectangular inlet of the double‑inlet decoking drums with a diameter of 3 400 mm used in a 1.2 million tons per year ethylene cracking unit,the finite element calculation model of the decoking tank cylinder and the large‑sized double tangential inlet nozzle was established by using the Ansys software.The stress distribution of the large‑size tangential rectangular inlet pipe was obtained under various scenarios of rib thickness and spacing.The analysis primarily investigates the effect of rib thickness and spacing on the stress at the connection between the decoking drums and the tangential inlet pipe.The results indicate that the optimized rib thickness is 32 mm,with a spacing of 280 mm.Upon applying the actual combined loads encountered in engineering applications to the dual tangential inlet drum and assessing its strength according to pressure vessel design standards under both design and operational conditions,it is confirmed that the strength of the optimized drum meets the required standards.The research results provide a reliable basis for the engineering application of dual tangential inlet coke cleaning tanks.
, authors=Jiarui CHEN, authorsList=Jiarui CHEN, authorCompany=null, correspAuthors=null, 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, fund=null), CN=ArticleExt(id=1320422997098344954, articleId=1320422992736268765, tenantId=1146029695717560320, journalId=1319355204128309394, language=CN, title=双切向入口清焦罐的切向接管应力分析与结构优化, columnId=1320422992211989239, journalTitle=压力容器, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
针对某120 万吨/年乙烯裂解装置用直径3 400 mm的双入口清焦罐大截面矩形入口局部应力集中问题,利用Ansys软件,建立了清焦罐筒体与大尺寸双切向入口接管的有限元计算模型,获得了设置不同筋板厚度和间距后入口接管的应力云图,重点分析了筋板厚度及间距对筒体与切向接管连接处应力的影响。结果表明,优化设计后的筋板厚度为32 mm、筋板间距为280 mm。当在双切向入口清焦罐施加工程应用时的实际接管联合载荷后,按照压力容器分析设计标准对清焦罐在设计工况和操作工况下进行强度评定,筋板优化后的双切向入口清焦罐的强度可以满足标准规定的强度要求。研究结果为双切向入口清焦罐的工程应用提供可靠依据。
, authors=陈嘉睿, authorsList=陈嘉睿, authorCompany=null, correspAuthors=null, authorNote=
陈嘉睿(1993),男,高级工程师,主要研究方向为石油化工设备设计,通信地址:100011北京市朝阳区安慧北里安园21号楼中国石化工程建设有限公司设备室,E-mail:hy6cjr@163.com。
, correspAuthorsNote=null, copyrightStatement=
作者向本刊所投稿件一经本刊录用,则该论文的复制权、发行权、信息网络传播权、翻译权、汇编权等权利视为自动转让给本刊。本刊为国内各主要数据库收录期刊,本刊所发表的稿件将同时通过因特网进行网络出版或提供信息服务(包括印刷版、光盘版和网络版等各种使用方式)。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=x7/xEiiCPfldlkFzV51M1g==, magXml=Av486uTewmkQSn/0Y8VaYQ==, pdfUrl=null, pdf=/nGt6GUg8s/1Dh+UKxkBMQ==, pdfFileSize=6003105, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=ffxWFL9uU5JvXBf7GPG6Zw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=X5+vKevEgClNcCfXNQxTVQ==, mapNumber=null, fund=null)}, authors=[Author(id=1320422997433889279, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=hy6cjr@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320422997521969665, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, authorId=1320422997433889279, language=EN, stringName=Jiarui CHEN, firstName=Jiarui, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Sinopec Engineering Incorporation,Beijing 100011,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320422997597467138, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, authorId=1320422997433889279, language=CN, stringName=陈嘉睿, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=中国石化工程建设有限公司,北京 100011, bio={"content":"
陈嘉睿(1993),男,高级工程师,主要研究方向为石油化工设备设计,通信地址:100011北京市朝阳区安慧北里安园21号楼中国石化工程建设有限公司设备室,E-mail:hy6cjr@163.com。
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陈嘉睿(1993),男,高级工程师,主要研究方向为石油化工设备设计,通信地址:100011北京市朝阳区安慧北里安园21号楼中国石化工程建设有限公司设备室,E-mail:hy6cjr@163.com。
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Schematic diagram of dual tangential inlet decoking drums, figureFileSmall=3f/bD2LnMRRUCqOQi+D1Ng==, figureFileBig=ffxWFL9uU5JvXBf7GPG6Zw==, tableContent=null), ArticleFig(id=1320423000751583759, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图1, caption=
双切向入口清焦罐结构示意, figureFileSmall=3f/bD2LnMRRUCqOQi+D1Ng==, figureFileBig=ffxWFL9uU5JvXBf7GPG6Zw==, tableContent=null), ArticleFig(id=1320423000927744528, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.2, caption=
Schematic mesh delineation of the finite element model, figureFileSmall=k58HNGIRVxKKZ7y4xdDL2Q==, figureFileBig=Emgg8ihEXQ2muP0HlG8taQ==, tableContent=null), ArticleFig(id=1320423001112293905, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图2, caption=
有限元模型的网格划分示意, figureFileSmall=k58HNGIRVxKKZ7y4xdDL2Q==, figureFileBig=Emgg8ihEXQ2muP0HlG8taQ==, tableContent=null), ArticleFig(id=1320423001200374290, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.3, caption=
Sketch of stress on the thin⁃walled vessel, figureFileSmall=c2iKUcM4kh4Si4R+YbN1Nw==, figureFileBig=ZMEMsSofaZf2xp+JEP7fOA==, tableContent=null), ArticleFig(id=1320423001280066067, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图3, caption=
薄壁容器的受力简图, figureFileSmall=c2iKUcM4kh4Si4R+YbN1Nw==, figureFileBig=ZMEMsSofaZf2xp+JEP7fOA==, tableContent=null), ArticleFig(id=1320423001389117972, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.4, caption=
Schematic diagram of receiver positioning, figureFileSmall=buqtwdzAfZhzJUbRjyXk8Q==, figureFileBig=8X7JbN8Aw3dr7C14VnfZdQ==, tableContent=null), ArticleFig(id=1320423001477198357, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图4, caption=
接管定位示意, figureFileSmall=buqtwdzAfZhzJUbRjyXk8Q==, figureFileBig=8X7JbN8Aw3dr7C14VnfZdQ==, tableContent=null), ArticleFig(id=1320423001540112918, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.5, caption=
Dimensions of common rectangular cross⁃section tubes and additional ribbed plates, figureFileSmall=pVzp4ToTA16EgIGhxdZMbA==, figureFileBig=mAMHlYEgFUBdI9E+PD7DpQ==, tableContent=null), ArticleFig(id=1320423001615610391, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图5, caption=
常用矩形截面接管及附加筋板的尺寸示意(a)矩形截面 (b)矩形筋板尺寸
, figureFileSmall=pVzp4ToTA16EgIGhxdZMbA==, figureFileBig=mAMHlYEgFUBdI9E+PD7DpQ==, tableContent=null), ArticleFig(id=1320423001699496472, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.6, caption=
Cloud diagram of equivalent stress distribution of decoking drum with none plate structure, figureFileSmall=+XIcQSyMkZuIqq0XUSuwcg==, figureFileBig=dAsxiQ8W7tuPl40LA7g3Xg==, tableContent=null), ArticleFig(id=1320423001779188249, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图6, caption=
无筋板结构的清焦罐等效应力分布云图, figureFileSmall=+XIcQSyMkZuIqq0XUSuwcg==, figureFileBig=dAsxiQ8W7tuPl40LA7g3Xg==, tableContent=null), ArticleFig(id=1320423001842102810, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.7, caption=
Equivalent stress distribution with variation of ribbed plate thickness(ribbed plate spacing 280 mm), figureFileSmall=SMunhPLmbUK8JbMvaoX8hQ==, figureFileBig=wuIrELP94DK0/p3q73lCLA==, tableContent=null), ArticleFig(id=1320423001905017371, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图7, caption=
随筋板厚度变化的等效应力分布云图(筋板间距280 mm), figureFileSmall=SMunhPLmbUK8JbMvaoX8hQ==, figureFileBig=wuIrELP94DK0/p3q73lCLA==, tableContent=null), ArticleFig(id=1320423001976320540, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.8, caption=
Variation of maximum stress with ribbed plate thickness for dual inlet decoking drum, figureFileSmall=L5BUlEuuXkSVxM0nDln+BA==, figureFileBig=L/IfnYQD2xiAcSgYxjOxDQ==, tableContent=null), ArticleFig(id=1320423002047623709, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图8, caption=
双入口清焦罐最大应力随筋板厚度变化情况, figureFileSmall=L5BUlEuuXkSVxM0nDln+BA==, figureFileBig=L/IfnYQD2xiAcSgYxjOxDQ==, tableContent=null), ArticleFig(id=1320423002131509790, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.9, caption=
Equivalent stress distribution with spacing of ribbed plate thickness(32 mm thickness of ribbed plate), figureFileSmall=5D9WiZF9LWQoJWZ7VjjpdA==, figureFileBig=5NqJfkEDzWwtF+wFRXI6lg==, tableContent=null), ArticleFig(id=1320423002211201567, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图9, caption=
随筋板厚度间距的等效应力分布云图(筋板厚度32 mm), figureFileSmall=5D9WiZF9LWQoJWZ7VjjpdA==, figureFileBig=5NqJfkEDzWwtF+wFRXI6lg==, tableContent=null), ArticleFig(id=1320423002282504736, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.10, caption=
Variation of maximum stress with rein stress ment plate spacing in dual inlet decoking drum, figureFileSmall=5KNX/7ahmc/Ek0Ck8r/Fwg==, figureFileBig=WMWRDF8rrNH+DEynzrdkxw==, tableContent=null), ArticleFig(id=1320423002366390817, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图10, caption=
双入口清焦罐最大应力随筋板间距变化情况, figureFileSmall=5KNX/7ahmc/Ek0Ck8r/Fwg==, figureFileBig=WMWRDF8rrNH+DEynzrdkxw==, tableContent=null), ArticleFig(id=1320423004065083941, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.11, caption=
The orientation diagram of connected pipes, figureFileSmall=HyiAFaL4D27AryFD+wFJ2Q==, figureFileBig=L0gRCH/tG3QZy+QMZRLY1g==, tableContent=null), ArticleFig(id=1320423004144775718, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图11, caption=
接管方位示意, figureFileSmall=HyiAFaL4D27AryFD+wFJ2Q==, figureFileBig=L0gRCH/tG3QZy+QMZRLY1g==, tableContent=null), ArticleFig(id=1320423004220273191, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.12, caption=
Equivalent stress distribution of connected pipes N-1& N-2(design condition), figureFileSmall=v8VTJNsE002oukqn/XhxzA==, figureFileBig=yya8qPtMAx55Vl7MIIY9vg==, tableContent=null), ArticleFig(id=1320423004312547880, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图12, caption=
N1-1,N1-2接管联合载荷作用下的应力计算云图(设计工况), figureFileSmall=v8VTJNsE002oukqn/XhxzA==, figureFileBig=yya8qPtMAx55Vl7MIIY9vg==, tableContent=null), ArticleFig(id=1320423004484514345, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Fig.13, caption=
Equivalent stress distribution of connected pipes N-1 & N-2(operation condition), figureFileSmall=d2hsajqx+U9aMcGz+nH7Qw==, figureFileBig=ClemyG7Y18zVpVVZ+gtQAQ==, tableContent=null), ArticleFig(id=1320423004572594730, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=图13, caption=
N1-1,N1-2接管联合载荷作用下的应力计算云图(操作工况), figureFileSmall=d2hsajqx+U9aMcGz+nH7Qw==, figureFileBig=ClemyG7Y18zVpVVZ+gtQAQ==, tableContent=null), ArticleFig(id=1320423004639703595, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Tab.1, caption=
Parameters for decoking drums
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 设备直径/mm | 入口长宽/(mm×mm) | 壁厚/mm | 工作压力/MPa | 设计压力/MPa | 工作温度/℃ | 设计温度/℃ | 基本风压/Pa |
|---|
| 数值 | 3 400 | 1 686×840 | 32 | 0.02 | 0.35 | 350 | 410 | 300 |
), ArticleFig(id=1320423004727783980, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=表1, caption=
清焦罐相关设计参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 设备直径/mm | 入口长宽/(mm×mm) | 壁厚/mm | 工作压力/MPa | 设计压力/MPa | 工作温度/℃ | 设计温度/℃ | 基本风压/Pa |
|---|
| 数值 | 3 400 | 1 686×840 | 32 | 0.02 | 0.35 | 350 | 410 | 300 |
), ArticleFig(id=1320423004899750445, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Tab.2, caption=
Mesh⁃independent analysis of stress values for finite element models
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 网格尺寸/mm |
|---|
| 35 | 28 | 20 | 15 | 10 |
|---|
| 等效应力(未平均)/MPa | 319.84 | 320.12 | 336.27 | 336.64 | 337.12 |
| 等效应力(平均)/MPa | 321.83 | 318.13 | 334.64 | 334.14 | 336.33 |
), ArticleFig(id=1320423005000413742, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=表2, caption=
有限元模型的网格无关性分析应力值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 网格尺寸/mm |
|---|
| 35 | 28 | 20 | 15 | 10 |
|---|
| 等效应力(未平均)/MPa | 319.84 | 320.12 | 336.27 | 336.64 | 337.12 |
| 等效应力(平均)/MPa | 321.83 | 318.13 | 334.64 | 334.14 | 336.33 |
), ArticleFig(id=1320423005084299823, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Tab.3, caption=
Combined loads on connected pipes
, figureFileSmall=null, figureFileBig=null, tableContent=
| 管口号 | 工况 | 载荷/N | 弯矩/(N·m) |
|---|
| FX | FY | FZ | MX | MY | MZ |
|---|
| N1-1 | 设计工况 | 36 900 | -92 300 | 43 300 | 353 600 | 493 700 | 183 800 |
| 操作工况 | 5 000 | -60 100 | 5 000 | -40 700 | 5 000 | -22 400 |
| N1-2 | 设计工况 | -61 200 | -20 700 | 49 700 | 423 800 | -487 500 | -208 100 |
| 操作工况 | -5 000 | 14 800 | 5 000 | 5 000 | -5 000 | 8 200 |
| N2 | 设计工况 | -36 500 | -87 600 | 36 400 | 438 700 | 5 000 | 439 400 |
| 操作工况 | 5 000 | -87 600 | 5 000 | 5 000 | 5 000 | -5 000 |
), ArticleFig(id=1320423005323375152, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=表3, caption=
接管联合载荷
, figureFileSmall=null, figureFileBig=null, tableContent=
| 管口号 | 工况 | 载荷/N | 弯矩/(N·m) |
|---|
| FX | FY | FZ | MX | MY | MZ |
|---|
| N1-1 | 设计工况 | 36 900 | -92 300 | 43 300 | 353 600 | 493 700 | 183 800 |
| 操作工况 | 5 000 | -60 100 | 5 000 | -40 700 | 5 000 | -22 400 |
| N1-2 | 设计工况 | -61 200 | -20 700 | 49 700 | 423 800 | -487 500 | -208 100 |
| 操作工况 | -5 000 | 14 800 | 5 000 | 5 000 | -5 000 | 8 200 |
| N2 | 设计工况 | -36 500 | -87 600 | 36 400 | 438 700 | 5 000 | 439 400 |
| 操作工况 | 5 000 | -87 600 | 5 000 | 5 000 | 5 000 | -5 000 |
), ArticleFig(id=1320423005419844145, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=EN, label=Tab.4, caption=
Strength evaluation results of combined loads on connected pipes N-1&N-2
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 应力分类 | 强度校核 | 位置描述 | 评定结果 |
|---|
设计工况 (设计温度410 ℃) | 总体薄膜应力 | SⅠ=20.517 MPa<S=112.2 MPa | 远离边缘的筒体 | 通过 |
| 局部薄膜应力 | SⅡ=62.611 MPa<1.5S=168.3 MPa | 见图12(a) | 通过 |
| 一次薄膜应力+一次弯曲应力 | SⅢ=114.46 MPa<1.5S=168.3 MPa | 见图12(b) | 通过 |
| 一次应力+二次应力 | SⅣ=136.199 MPa<3S=336.6 MPa | 见图12(c) | 通过 |
操作工况 (操作温度350 ℃) | 总体薄膜应力 | SⅠ=1.172 MPa<S=133 MPa | 远离边缘的筒体 | 通过 |
| 局部薄膜应力 | SⅡ=58.53 MPa<1.5S=199.5 MPa | 见图13(a) | 通过 |
| 一次薄膜应力+一次弯曲应力 | SⅢ=106.968 MPa<1.5S=199.5 MPa | 见图13(b) | 通过 |
| 一次应力+二次应力 | SⅣ=164.711 MPa<3S=399 MPa | 见图13(c) | 通过 |
), ArticleFig(id=1320423005503730226, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320422992736268765, language=CN, label=表4, caption=
N1-1,N1-2在接管联合载荷作用下的强度评定结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 应力分类 | 强度校核 | 位置描述 | 评定结果 |
|---|
设计工况 (设计温度410 ℃) | 总体薄膜应力 | SⅠ=20.517 MPa<S=112.2 MPa | 远离边缘的筒体 | 通过 |
| 局部薄膜应力 | SⅡ=62.611 MPa<1.5S=168.3 MPa | 见图12(a) | 通过 |
| 一次薄膜应力+一次弯曲应力 | SⅢ=114.46 MPa<1.5S=168.3 MPa | 见图12(b) | 通过 |
| 一次应力+二次应力 | SⅣ=136.199 MPa<3S=336.6 MPa | 见图12(c) | 通过 |
操作工况 (操作温度350 ℃) | 总体薄膜应力 | SⅠ=1.172 MPa<S=133 MPa | 远离边缘的筒体 | 通过 |
| 局部薄膜应力 | SⅡ=58.53 MPa<1.5S=199.5 MPa | 见图13(a) | 通过 |
| 一次薄膜应力+一次弯曲应力 | SⅢ=106.968 MPa<1.5S=199.5 MPa | 见图13(b) | 通过 |
| 一次应力+二次应力 | SⅣ=164.711 MPa<3S=399 MPa | 见图13(c) | 通过 |
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