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In the paper, the control for each process of smelting rare earth is introduced. The test results showed that the rare earth was still with deoxygenation and desulfuration when the contents of oxygen and sulfur in steel were ultra low as well as the inclusions in steel were mainly tiny rare earth oxysulfides with the size of 3~5 μm. There is serious nozzle clogging during pouring process and the blockage is mainly cold steel. Such measures as improving the cleanness of molten steel and rare earth alloy, increasing pouring temperature and developing new-type nozzle are proposed by analyzing the mechanism of nozzle clogging to solve the problem of pouring nozzle clogging for rare earth steel.

, authors=Feng Yang1, 2, Yu-shuang Zhang3, authorsList=Feng Yang, Yu-shuang Zhang, 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=1319225554591662421, articleId=1319225553895407954, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=稀土钢冶炼工艺控制及水口堵塞机理的研究, columnId=1185882039552193444, journalTitle=包钢科技, columnName=生产实践与管理, runingTitle=null, highlight=null, articleAbstract=

文章介绍了稀土钢冶炼时各工序的控制情况,试验结果表明当钢中氧、硫含量极低时,稀土仍有一定的脱氧、脱硫作用,钢中夹杂物以尺寸为3~5 μm的细小稀土氧硫化物为主。浇注过程中水口堵塞严重,堵塞物以冷钢为主,通过对水口堵塞机理的分析提出了提高钢水和稀土合金洁净度、提高浇注温度、开发新型水口等措施来解决稀土钢浇注水口堵塞的问题。

, authors=杨峰1, 2, 张玉双3, authorsList=杨峰, 张玉双, authorCompany=null, correspAuthors=null, authorNote=

杨峰(1978-),男,内蒙古巴彦淖尔市人,高级工程师,主要从事钢铁冶炼工艺技术工作。

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杨峰(1978-),男,内蒙古巴彦淖尔市人,高级工程师,主要从事钢铁冶炼工艺技术工作。

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杨峰(1978-),男,内蒙古巴彦淖尔市人,高级工程师,主要从事钢铁冶炼工艺技术工作。

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稀土钢冶炼工艺控制及水口堵塞机理的研究
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杨峰 1, 2 , 张玉双 3
包钢科技 | 生产实践与管理 2019,45(6): 27-32
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包钢科技 |生产实践与管理 2019 , 45 (6) : 27 -32
稀土钢冶炼工艺控制及水口堵塞机理的研究
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杨峰1, 2, 张玉双3
作者信息
  • 1.内蒙古自治区稀土钢产品研发企业重点实验室,内蒙古 包头 014010
  • 2.内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
  • 3.包头钢铁职业技术学院,内蒙古 包头 014010
作者简介:

杨峰(1978-),男,内蒙古巴彦淖尔市人,高级工程师,主要从事钢铁冶炼工艺技术工作。

Research on Smelting Process Control of Rare Earth Steel and Mechanism of Nozzle Clogging
Feng Yang1, 2, Yu-shuang Zhang3
Affiliations
  • 1.Inner Mongolia Enterprise Key Laboratory of Rare Earth Steel Products Research & Development, Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 3.Baotou Iron and Steel Vocational Technical College, Baotou 014010, Inner Mongolia Autonomous Region, China
出版时间: 2019-10-25 doi: 10.13647/j.cnki.btgkj.2019.06.007
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文章介绍了稀土钢冶炼时各工序的控制情况,试验结果表明当钢中氧、硫含量极低时,稀土仍有一定的脱氧、脱硫作用,钢中夹杂物以尺寸为3~5 μm的细小稀土氧硫化物为主。浇注过程中水口堵塞严重,堵塞物以冷钢为主,通过对水口堵塞机理的分析提出了提高钢水和稀土合金洁净度、提高浇注温度、开发新型水口等措施来解决稀土钢浇注水口堵塞的问题。

稀土钢  /  冶炼  /  洁净度  /  夹杂物  /  水口堵塞

In the paper, the control for each process of smelting rare earth is introduced. The test results showed that the rare earth was still with deoxygenation and desulfuration when the contents of oxygen and sulfur in steel were ultra low as well as the inclusions in steel were mainly tiny rare earth oxysulfides with the size of 3~5 μm. There is serious nozzle clogging during pouring process and the blockage is mainly cold steel. Such measures as improving the cleanness of molten steel and rare earth alloy, increasing pouring temperature and developing new-type nozzle are proposed by analyzing the mechanism of nozzle clogging to solve the problem of pouring nozzle clogging for rare earth steel.

rare earth steel  /  smelting  /  cleanness  /  inclusion  /  nozzle clogging
杨峰, 张玉双. 稀土钢冶炼工艺控制及水口堵塞机理的研究. 包钢科技, 2019 , 45 (6) : 27 -32 . DOI: 10.13647/j.cnki.btgkj.2019.06.007
Feng Yang, Yu-shuang Zhang. Research on Smelting Process Control of Rare Earth Steel and Mechanism of Nozzle Clogging[J]. Science & Technology of Baotou Steel, 2019 , 45 (6) : 27 -32 . DOI: 10.13647/j.cnki.btgkj.2019.06.007

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doi: 10.13647/j.cnki.btgkj.2019.06.007
  • 接收时间:2019-09-16
  • 首发时间:2026-10-20
  • 出版时间:2019-10-25
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  • 收稿日期:2019-09-16
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    1.内蒙古自治区稀土钢产品研发企业重点实验室,内蒙古 包头 014010
    2.内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
    3.包头钢铁职业技术学院,内蒙古 包头 014010
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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