Article(id=1186982293244621597, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1186982287943021298, articleNumber=1009-5438(2025)01-0036-06, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1709222400000, receivedDateStr=2024-03-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1760928231773, onlineDateStr=2025-10-20, pubDate=1740412800000, pubDateStr=2025-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1760928231773, onlineIssueDateStr=2025-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1760928231773, creator=13701087609, updateTime=1760928231773, updator=13701087609, issue=Issue{id=1186982287943021298, tenantId=1146029695717560320, journalId=1185652524569653253, year='2025', volume='51', issue='1', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1760928230509, creator=13701087609, updateTime=1760928585419, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1186983776602173865, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1186982287943021298, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1186983776602173866, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1186982287943021298, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=36, endPage=41, ext={EN=ArticleExt(id=1187102806621172369, articleId=1186982293244621597, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Study on Optimization of Continuous Casting Process for Rectangular Billet of Peritectic Weathering Steel, columnId=1187100781414069182, journalTitle=Science & Technology of Baotou Steel, columnName=Production Practices and Management, runingTitle=null, highlight=null, articleAbstract=
Such parameters as the outlet temperatures of crystallizer and secondary cooling section and shell thickness of manufacturing 2 types of rectangular billet with cross-section dimensions of 280 mm×380 mm and 320 mm×415 mm are simulated through high temperature thermal simulation experiments and computer software as well as the production process parameters of manufacturing YQ450NQR1 weathering steel with the billets of 2 different cross sections are compared. The results showed that the low magnification quality of billet was related to amplitude of crystallizer, amount of secondary cooling water, number of strands for continuous casting machine and temperature of exiting secondary cooling section while entering tension leveler. With the decrease of amplitude of crystallizer, increase of number of strands for continuous casting machine and temperature of entering tension leveler, the quality of billet is improved. When the amplitude of crystallizer is ±2.5 mm and temperature of entering tension leveler is greater than 940 ℃ with the condition of weak cold secondary cooling water, the low magnification quality of billet with cross section of 280 mm×380 mm of peritectic weathering steel is better than that of billet with cross section of 320 mm×415 mm.
, 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, authorCompany=null, fund=null, authors=null, authorsList=Zhendong Song, Yongming Wang, Min Wang, Xiangdong Bu, Xiaodong Tan, Hong Cui, Zhen Qi), CN=ArticleExt(id=1186982488732741852, articleId=1186982293244621597, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=包晶耐候钢矩形坯连铸工艺优化研究, columnId=1185882039552193444, journalTitle=包钢科技, columnName=生产实践与管理, runingTitle=null, highlight=null, articleAbstract=通过高温热模拟试验及计算机软件模拟生产断面尺寸为280 mm×380 mm和320 mm×415 mm两种矩形坯结晶器出口温度、二冷段出口温度、坯壳厚度等参数,对比两种不同断面生产同一钢种YQ450NQR1耐候钢生产工艺参数。结果表明,铸坯的低倍质量与结晶器振幅、二冷水量、铸机流数、出二冷段进拉矫机温度有关,随着结晶器振幅的减小,铸机流数的增加和进拉矫机温度升高,铸坯质量改善,当结晶器振幅在±2.5 mm、进拉矫机温度大于940 ℃时,二冷水强度采用弱冷的条件下,包晶耐候钢280 mm×380 mm断面铸坯低倍质量优于320 mm×415 mm断面铸坯低倍质量。, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=AAIcM2jm1MkQogKxRLQkxQ==, magXml=ZKXXrT7dkVdp6wW1RNJ4LQ==, pdfUrl=null, pdf=MZlWv3XQoA8VqQWXCU4w3w==, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=yl9SYmBARQ815zysH7Vciw==, mapNumber=null, authorCompany=null, fund=null, authors=
宋振东(1982-),男,内蒙古赤峰市人,硕士,高级工程师,现从事型钢及特钢产品研发工作。
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1 内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010, bio={"content":"
宋振东(1982-),男,内蒙古赤峰市人,硕士,高级工程师,现从事型钢及特钢产品研发工作。
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宋振东(1982-),男,内蒙古赤峰市人,硕士,高级工程师,现从事型钢及特钢产品研发工作。
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2 内蒙古包钢钢联股份有限公司炼钢厂,内蒙古 包头 014010)])]), Author(id=1187103010594369717, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1186982293244621597, orderNo=6, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1187103010657284279, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1186982293244621597, authorId=1187103010594369717, language=EN, stringName=Zhen Qi, firstName=Zhen, middleName=null, lastName=Qi, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1187103010732781752, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1186982293244621597, authorId=1187103010594369717, language=CN, stringName=祁祯, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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| 名称 | 280 mm×380 mm | 320 mm×415 mm |
| 铸机类型 | 弧形 | 弧形 |
| 流数 | 6 | 3 |
| 结晶器振幅范围/mm | ±2.5 | ±6 |
结晶器电磁 搅拌(M-EMS) | 有 | 有 |
| 拉速范围/(m·min-1) | 0.25~0.70 | 0.25~0.70 |
| 铸机弧半径/m | 12 | 12 |
| 结晶器长度/mm | 850 | 800 |
| 二冷方式 | 动态配水、气雾冷却 | 动态配水、气雾冷却 |
| 流间距/mm | 1 650 | 3 000 |
| 水口内径/mm | 40 | 45 |
| 水口浸入深度/mm | 110~130 | 110~130 |
| 冶金长度/m | 34.5 | 37 |
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铸机设备参数
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| 名称 | 280 mm×380 mm | 320 mm×415 mm |
| 铸机类型 | 弧形 | 弧形 |
| 流数 | 6 | 3 |
| 结晶器振幅范围/mm | ±2.5 | ±6 |
结晶器电磁 搅拌(M-EMS) | 有 | 有 |
| 拉速范围/(m·min-1) | 0.25~0.70 | 0.25~0.70 |
| 铸机弧半径/m | 12 | 12 |
| 结晶器长度/mm | 850 | 800 |
| 二冷方式 | 动态配水、气雾冷却 | 动态配水、气雾冷却 |
| 流间距/mm | 1 650 | 3 000 |
| 水口内径/mm | 40 | 45 |
| 水口浸入深度/mm | 110~130 | 110~130 |
| 冶金长度/m | 34.5 | 37 |
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| C | Si | Mn | P | S | Cr | Ni | Cu | V | Fe |
| ≤0.14 | ≤0.50 | ≤1.30 | ≤0.020 | ≤0.015 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.14 | 其余 |
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包晶耐候钢YQ450NQR1的化学成分(质量分数) %
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| C | Si | Mn | P | S | Cr | Ni | Cu | V | Fe |
| ≤0.14 | ≤0.50 | ≤1.30 | ≤0.020 | ≤0.015 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.14 | 其余 |
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| 名称 | 280 mm×380 mm | 320 mm×415 mm |
结晶器冷却水量 范围/(L·min-1) | 3 155~3 238 | 3 200~3 250 |
| 结晶器水温差/℃ | 4~6.7 | 5~6 |
| 过热度范围/℃ | 25~30 | 24~31 |
| 结晶器振幅波动/mm | ±2 | ±6 |
| 拉速/(m·min-1) | 0.65 | 0.65 |
| 二冷水量/(mL·kg-1) | 0.22 | 0.19 |
| 进拉矫机温度/℃ | 1 024 | 915 |
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不同断面连铸工艺对比
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| 名称 | 280 mm×380 mm | 320 mm×415 mm |
结晶器冷却水量 范围/(L·min-1) | 3 155~3 238 | 3 200~3 250 |
| 结晶器水温差/℃ | 4~6.7 | 5~6 |
| 过热度范围/℃ | 25~30 | 24~31 |
| 结晶器振幅波动/mm | ±2 | ±6 |
| 拉速/(m·min-1) | 0.65 | 0.65 |
| 二冷水量/(mL·kg-1) | 0.22 | 0.19 |
| 进拉矫机温度/℃ | 1 024 | 915 |
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