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Nitrogen is a kind of harmful element for most steel grade, and the precipitation of nitrides seriously affects the various performance of steel. In the paper, based on the analysis for the nitrogen solubility change in the process of converter smelting, and through optimizing the converter charging system, bottom blown pattern, slagging system, end point control system and alloying system of tapping deoxidation, can effectively control w [N] of molten steel in the process of converter smelting. After the tapping of converter, the average w [N] is reduced from 29.4 × 10-6 to 20.2 × 10-6 after the process optimization, which is a good foundation for smelting low nitrogen steel.

, authors=Wang-cai DIAO, Ming ZHANG, Tao XU, authorsList=Wang-cai DIAO, Ming ZHANG, Tao XU, 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=1319261427437785178, articleId=1319261427039326296, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=转炉炼钢过程中氮控制工艺研究, columnId=1185882039552193444, journalTitle=包钢科技, columnName=生产实践与管理, runingTitle=null, highlight=null, articleAbstract=

氮对于大多数钢种是一种有害元素,其氮化物的析出,严重影响钢的各种性能。文章基于转炉冶炼过程中氮在钢中溶解度变化的分析,通过优化转炉装入制度、底吹模式、造渣制度、终点控制制度以及出钢脱氧合金化制度,可有效控制钢水在转炉冶炼过程中w[N]。转炉出钢后的平均w[N]由29.4 × 10-6降至工艺优化后的20.2 ×10-6,为冶炼低氮钢奠定了良好的基础。

, authors=刁望才, 张明, 徐涛, authorsList=刁望才, 张明, 徐涛, authorCompany=null, correspAuthors=null, authorNote=

刁望才(1980-),男,黑龙江省青冈县人,工程师,现从事炼钢工艺技术管理工作。

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刁望才(1980-),男,黑龙江省青冈县人,工程师,现从事炼钢工艺技术管理工作。

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刁望才(1980-),男,黑龙江省青冈县人,工程师,现从事炼钢工艺技术管理工作。

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转炉炼钢过程中氮控制工艺研究
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刁望才 , 张明 , 徐涛
包钢科技 | 生产实践与管理 2017,43(2): 20-22
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包钢科技 |生产实践与管理 2017 , 43 (2) : 20 -22
转炉炼钢过程中氮控制工艺研究
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刁望才, 张明, 徐涛
作者信息
  • 内蒙古包钢稀土钢板材厂,内蒙古 包头 014010
作者简介:

刁望才(1980-),男,黑龙江省青冈县人,工程师,现从事炼钢工艺技术管理工作。

Study on Nitrogen Control Process During Converter Steelmaking Process
Wang-cai DIAO, Ming ZHANG, Tao XU
Affiliations
  • Rare Earth Steel Plate Plant of Baotou Steel (Group) Corp., Baotou 014010, Nei Monggol, China
出版时间: 2017-04-25 doi: 10.13647/j.cnki.btgkj.2017.02.007
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氮对于大多数钢种是一种有害元素,其氮化物的析出,严重影响钢的各种性能。文章基于转炉冶炼过程中氮在钢中溶解度变化的分析,通过优化转炉装入制度、底吹模式、造渣制度、终点控制制度以及出钢脱氧合金化制度,可有效控制钢水在转炉冶炼过程中w[N]。转炉出钢后的平均w[N]由29.4 × 10-6降至工艺优化后的20.2 ×10-6,为冶炼低氮钢奠定了良好的基础。

转炉  /  w[N]  /  溶解度

Nitrogen is a kind of harmful element for most steel grade, and the precipitation of nitrides seriously affects the various performance of steel. In the paper, based on the analysis for the nitrogen solubility change in the process of converter smelting, and through optimizing the converter charging system, bottom blown pattern, slagging system, end point control system and alloying system of tapping deoxidation, can effectively control w [N] of molten steel in the process of converter smelting. After the tapping of converter, the average w [N] is reduced from 29.4 × 10-6 to 20.2 × 10-6 after the process optimization, which is a good foundation for smelting low nitrogen steel.

converter  /  w [N]  /  solubility
刁望才, 张明, 徐涛. 转炉炼钢过程中氮控制工艺研究. 包钢科技, 2017 , 43 (2) : 20 -22 . DOI: 10.13647/j.cnki.btgkj.2017.02.007
Wang-cai DIAO, Ming ZHANG, Tao XU. Study on Nitrogen Control Process During Converter Steelmaking Process[J]. Science & Technology of Baotou Steel, 2017 , 43 (2) : 20 -22 . DOI: 10.13647/j.cnki.btgkj.2017.02.007

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doi: 10.13647/j.cnki.btgkj.2017.02.007
  • 接收时间:2017-01-19
  • 首发时间:2026-10-20
  • 出版时间:2017-04-25
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  • 收稿日期:2017-01-19
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    内蒙古包钢稀土钢板材厂,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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