Article(id=1319243294236852340, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319243275354100218, articleNumber=null, orderNo=null, doi=10.13647/j.cnki.btgkj.2021.03.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1620230400000, receivedDateStr=2021-05-06, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1792461711701, onlineDateStr=2026-10-20, pubDate=1624550400000, pubDateStr=2021-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792461711701, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792461711701, creator=13701087609, updateTime=1792461711701, updator=13701087609, issue=Issue{id=1319243275354100218, tenantId=1146029695717560320, journalId=1185652524569653253, year='2021', volume='47', issue='3', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='1624550400000', pubDateStr='2021-06-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792461707198, creator='13701087609', updateTime=1792735350204, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320391017367453900, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319243275354100218, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320391017367453901, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319243275354100218, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=9, endPage=12, ext={EN=ArticleExt(id=1319243296036208757, articleId=1319243294236852340, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Control of Carbon Segregation in Continuous Casting Billet with Large Section, columnId=1187340472918880861, journalTitle=Science & Technology of Baotou Steel, columnName=Production Practice and Management, runingTitle=null, highlight=null, articleAbstract=

The characteristics of continuous casting process for round billet and distribution of carbon element in round billet are analyzed as well as the causes of carbon segregation are analyzed and discussed. The optimum measures are put forward from such two aspects as degree of superheat of molten steel and cooling regime of continuous casting combining with the technological characteristics and equipment condition of continuous casting for round billet. Moreover, the industrial test results showed that the carbon segregation in round billet with large section could be effectively improved when the current of mold electromagnetic stirring was controlled at around 300 A, degree of superheat of molten steel was controlled at around 25 ℃ and specific water flow was controlled at 0.20~0.22 L/kg.

, authors=Zhi-qiang Xue1, Bo-chao Xu2, Jia-xu Liu2, Long Shi2, Zhi-dong Zhao2, authorsList=Zhi-qiang Xue, Bo-chao Xu, Jia-xu Liu, Long Shi, Zhi-dong Zhao, 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=1319243296703103094, articleId=1319243294236852340, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=大断面连铸坯碳元素偏析控制, columnId=1185882039552193444, journalTitle=包钢科技, columnName=生产实践与管理, runingTitle=null, highlight=null, articleAbstract=

分析了圆坯连铸工艺的特点及圆坯碳元素分布特征,并对碳元素偏析形成原因进行分析和讨论。结合圆坯连铸的工艺特点和设备条件,从浇铸钢水过热度、连铸冷却制度两个方面提出了优化措施,并进行了工业试验,结晶器电磁搅拌电流控制在300 A左右、浇铸钢水过热度控制在25 ℃左右、比水量控制在0.20~0.22 L/kg能够有效地改善大断面圆坯碳元素偏析。

, authors=薛志强1, 许博超2, 刘佳旭2, 石龙2, 赵志东2, authorsList=薛志强, 许博超, 刘佳旭, 石龙, 赵志东, authorCompany=null, correspAuthors=null, authorNote=

薛志强(1984-),男,内蒙古包头市人,硕士,工程师,现从事销售技术服务工作。

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薛志强(1984-),男,内蒙古包头市人,硕士,工程师,现从事销售技术服务工作。

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薛志强(1984-),男,内蒙古包头市人,硕士,工程师,现从事销售技术服务工作。

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大断面连铸坯碳元素偏析控制
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薛志强 1 , 许博超 2 , 刘佳旭 2 , 石龙 2 , 赵志东 2
包钢科技 | 生产实践与管理 2021,47(3): 9-12
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包钢科技 |生产实践与管理 2021 , 47 (3) : 9 -12
大断面连铸坯碳元素偏析控制
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薛志强1, 许博超2, 刘佳旭2, 石龙2, 赵志东2
作者信息
  • 1.内蒙古包钢钢联股份有限公司成都销售分公司,内蒙古 包头 014010
  • 2.内蒙古包钢钢联股份有限公司钢管公司,内蒙古 包头 014010
作者简介:

薛志强(1984-),男,内蒙古包头市人,硕士,工程师,现从事销售技术服务工作。

Control of Carbon Segregation in Continuous Casting Billet with Large Section
Zhi-qiang Xue1, Bo-chao Xu2, Jia-xu Liu2, Long Shi2, Zhi-dong Zhao2
Affiliations
  • 1.Chengdu Sales Branch Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Steel Tube Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
出版时间: 2021-06-25 doi: 10.13647/j.cnki.btgkj.2021.03.003
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分析了圆坯连铸工艺的特点及圆坯碳元素分布特征,并对碳元素偏析形成原因进行分析和讨论。结合圆坯连铸的工艺特点和设备条件,从浇铸钢水过热度、连铸冷却制度两个方面提出了优化措施,并进行了工业试验,结晶器电磁搅拌电流控制在300 A左右、浇铸钢水过热度控制在25 ℃左右、比水量控制在0.20~0.22 L/kg能够有效地改善大断面圆坯碳元素偏析。

大断面  /  碳偏析  /  冷却制度  /  钢水过热度

The characteristics of continuous casting process for round billet and distribution of carbon element in round billet are analyzed as well as the causes of carbon segregation are analyzed and discussed. The optimum measures are put forward from such two aspects as degree of superheat of molten steel and cooling regime of continuous casting combining with the technological characteristics and equipment condition of continuous casting for round billet. Moreover, the industrial test results showed that the carbon segregation in round billet with large section could be effectively improved when the current of mold electromagnetic stirring was controlled at around 300 A, degree of superheat of molten steel was controlled at around 25 ℃ and specific water flow was controlled at 0.20~0.22 L/kg.

large section  /  carbon segregation  /  cooling regime  /  degree of superheat of molten steel
薛志强, 许博超, 刘佳旭, 石龙, 赵志东. 大断面连铸坯碳元素偏析控制. 包钢科技, 2021 , 47 (3) : 9 -12 . DOI: 10.13647/j.cnki.btgkj.2021.03.003
Zhi-qiang Xue, Bo-chao Xu, Jia-xu Liu, Long Shi, Zhi-dong Zhao. Control of Carbon Segregation in Continuous Casting Billet with Large Section[J]. Science & Technology of Baotou Steel, 2021 , 47 (3) : 9 -12 . DOI: 10.13647/j.cnki.btgkj.2021.03.003

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doi: 10.13647/j.cnki.btgkj.2021.03.003
  • 接收时间:2021-05-06
  • 首发时间:2026-10-20
  • 出版时间:2021-06-25
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  • 收稿日期:2021-05-06
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    1.内蒙古包钢钢联股份有限公司成都销售分公司,内蒙古 包头 014010
    2.内蒙古包钢钢联股份有限公司钢管公司,内蒙古 包头 014010
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2种不同金属材料的力学参数
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Family
属数
Number of
genus
种数
Number of
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占总种数比例
Percentage of
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属
Genus
种数
Number of
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占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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