Article(id=1308544094989812420, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544094092222643, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1006-4613.2026.04.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=1767974400000, revisedDateStr=2026-01-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1789910823818, onlineDateStr=2026-09-20, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789910823818, onlineIssueDateStr=2026-09-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789910823818, creator=13701087609, updateTime=1789910823818, updator=13701087609, issue=Issue{id=1308544094092222643, tenantId=1146029695717560320, journalId=1268266715432370238, year='2026', volume='', issue='4', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='1786291200000', pubDateStr='2026-08-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789910823605, creator='13701087609', updateTime=1789955282254, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1308730567286415933, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544094092222643, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1308730567286415934, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544094092222643, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=58, endPage=62, ext={EN=ArticleExt(id=1308544096789168837, articleId=1308544094989812420, tenantId=1146029695717560320, journalId=1268266715432370238, language=EN, title=Practice of Blast Furnace Restart after Unplanned Long-term Shutdown with Heavy Load in Ansteel, columnId=1268934136686350903, journalTitle=Angang Technology, columnName=Production Practice, runingTitle=null, highlight=null, articleAbstract=

To achieve a smooth restart of the 2580 m³ blast furnace in General Ironmaking Plant of Angang Steel Co., Ltd. after unplanned long-term shutdown with heavy load for 31 days and 3 hours, a series of measures were implemented, including controlling temperature and cooling water in a staged and precise manner for furnace preservation, minimizing cooling water flow to the furnace body, adopting a concentrated and limited tuyere opening strategy during restart, setting key burden parameters with a total coke ratio of 1 000 kg/t and a final slag basicity of 1.0, and pre-injecting oxygen prior to blowing-in. The results showed that full tuyere opening was achieved 45 hours after restart, and the designed production capacity was reached within 5 days. The blast furnace productivity remained stable at 2.0 t/(m³·d), and the physical heat of hot metal exceeded 1 450 °C. Common issues encountered during hearth freezing treatment, such as tuyere slagging and damage were avoided, and the first iron tapping was accomplished smoothly. This practice provides a valuable reference for managing unplanned long-term shutdowns with heavy load and mitigating hearth freezing in blast furnaces.

, authors=Xiang LI, Yuantong CHEN, Xingyu DUAN, Pan HU, authorsList=Xiang LI, Yuantong CHEN, Xingyu DUAN, Pan HU, 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=1308544097036632774, articleId=1308544094989812420, tenantId=1146029695717560320, journalId=1268266715432370238, language=CN, title=鞍钢高炉非计划长时间重负荷闷炉开炉实践, columnId=1268934136837345849, journalTitle=鞍钢技术, columnName=生产实践, runingTitle=null, highlight=null, articleAbstract=

为了实现鞍钢股份有限公司炼铁总厂2580 m³高炉非计划闷炉31 d 3 h后顺利开炉,采取了分阶段精准控温控水措施闷炉保温,炉体水量均降至最低,开炉集中少量开风口,开炉料核心参数为总焦比1 000 kg/t,终渣碱度1.0,送风前提前烧氧气等措施。实践结果表明,高炉实现了开炉后45 h风口全开,5 d达产的目标,高炉利用系数稳定在2.0 t/(m³·d),物理热大于1 450 ℃,避免了炉缸冻结处理中常见的风口灌渣、破损等问题,一次开炉出铁成功。该实践为高炉非计划重负荷闷炉及炉缸冻结的处理提供了参考。

, authors=李响, 陈原同, 段兴宇, 胡攀, authorsList=李响, 陈原同, 段兴宇, 胡攀, authorCompany=null, correspAuthors=null, authorNote=

李响,工程师,2005毕业于辽宁科技大学钢铁冶金专业。E-mail:

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李响,工程师,2005毕业于辽宁科技大学钢铁冶金专业。E-mail:

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李响,工程师,2005毕业于辽宁科技大学钢铁冶金专业。E-mail:

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鞍钢高炉非计划长时间重负荷闷炉开炉实践
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李响 , 陈原同 , 段兴宇 , 胡攀
鞍钢技术 | 生产实践 2026,(4): 58-62
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鞍钢技术 |生产实践 2026 , (4) : 58 -62
鞍钢高炉非计划长时间重负荷闷炉开炉实践
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李响 , 陈原同, 段兴宇, 胡攀
作者信息
  • 鞍钢股份有限公司炼铁总厂,辽宁 鞍山 114021
作者简介:

李响,工程师,2005毕业于辽宁科技大学钢铁冶金专业。E-mail:

Practice of Blast Furnace Restart after Unplanned Long-term Shutdown with Heavy Load in Ansteel
Xiang LI , Yuantong CHEN, Xingyu DUAN, Pan HU
Affiliations
  • General Ironmaking Plant of Angang Steel Co., Ltd., Anshan 114021, Liaoning, China
doi: 10.3969/j.issn.1006-4613.2026.04.008
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为了实现鞍钢股份有限公司炼铁总厂2580 m³高炉非计划闷炉31 d 3 h后顺利开炉,采取了分阶段精准控温控水措施闷炉保温,炉体水量均降至最低,开炉集中少量开风口,开炉料核心参数为总焦比1 000 kg/t,终渣碱度1.0,送风前提前烧氧气等措施。实践结果表明,高炉实现了开炉后45 h风口全开,5 d达产的目标,高炉利用系数稳定在2.0 t/(m³·d),物理热大于1 450 ℃,避免了炉缸冻结处理中常见的风口灌渣、破损等问题,一次开炉出铁成功。该实践为高炉非计划重负荷闷炉及炉缸冻结的处理提供了参考。

高炉  /  非计划闷炉  /  重负荷  /  炉缸冻结  /  开炉

To achieve a smooth restart of the 2580 m³ blast furnace in General Ironmaking Plant of Angang Steel Co., Ltd. after unplanned long-term shutdown with heavy load for 31 days and 3 hours, a series of measures were implemented, including controlling temperature and cooling water in a staged and precise manner for furnace preservation, minimizing cooling water flow to the furnace body, adopting a concentrated and limited tuyere opening strategy during restart, setting key burden parameters with a total coke ratio of 1 000 kg/t and a final slag basicity of 1.0, and pre-injecting oxygen prior to blowing-in. The results showed that full tuyere opening was achieved 45 hours after restart, and the designed production capacity was reached within 5 days. The blast furnace productivity remained stable at 2.0 t/(m³·d), and the physical heat of hot metal exceeded 1 450 °C. Common issues encountered during hearth freezing treatment, such as tuyere slagging and damage were avoided, and the first iron tapping was accomplished smoothly. This practice provides a valuable reference for managing unplanned long-term shutdowns with heavy load and mitigating hearth freezing in blast furnaces.

blast furnace  /  unplanned shutdown  /  heavy load  /  hearth freezing  /  restart
李响, 陈原同, 段兴宇, 胡攀. 鞍钢高炉非计划长时间重负荷闷炉开炉实践. 鞍钢技术, 2026 , (4) : 58 -62 . DOI: 10.3969/j.issn.1006-4613.2026.04.008
Xiang LI, Yuantong CHEN, Xingyu DUAN, Pan HU. Practice of Blast Furnace Restart after Unplanned Long-term Shutdown with Heavy Load in Ansteel[J]. Angang Technology, 2026 , (4) : 58 -62 . DOI: 10.3969/j.issn.1006-4613.2026.04.008

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doi: 10.3969/j.issn.1006-4613.2026.04.008
  • 首发时间:2026-09-20
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    鞍钢股份有限公司炼铁总厂,辽宁 鞍山 114021
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2种不同金属材料的力学参数
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species
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Percentage of
total species (%)
属
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species
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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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