锅炉压力容器用钢板中夹杂物的形成原因
Formation Reason of Inclusions in Steel Plate for Boiler and Pressure Vessel
摘 要
对采用转炉精炼连铸中厚板的生产工艺生产的锅炉压力容器用钢板中的夹杂物来源、形态和分布级别进行了分析。结果表明:夹杂物主要是硫化物、硅酸盐或小级别的氧化物和硫化物，只有极少量的B类氧化铝。在生产工艺控制方面提出了改进措施，实践取得了明显效果，为开发高纯净度锅炉压力容器用钢提供了借鉴。
压力容器
钢板
夹杂物
精炼
boiler
pressure vessel
steel plate
inclusion
refining
Abstract
Combined the technics which from convertor,refining,casting to medium plate,the source,shape and distributing level of the non-metallic inclusions in steel plate for boiler and pressure vessel were analyzed. The results showed that the main inclusions were sulfid,silicate,small-grade oxid and sulfid,and little B-type Al2O3. The improvement measures for process control were brought forward,and the effect was satisfying,the reference was offered to develop the high purity steel for boiler and pressure vessel.
中图分类号 TG115.21+3.3
所属栏目 试验与研究
基金项目
收稿日期 2008/10/10
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备注张爱民(1963-),男,高级工程师。
引用该论文: ZHANG Ai-min,CHEN Ye. Formation Reason of Inclusions in Steel Plate for Boiler and Pressure Vessel[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2009, 45(5): 266～268
张爱民,陈 晔. 锅炉压力容器用钢板中夹杂物的形成原因[J]. 理化检验－物理分册, 2009, 45(5): 266～268
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参考文献
【1】张爱民.承压设备用钢板的微观组织分析[J]. 安微工业大学学报,2007,24(4):241.
【2】曲英. 炼钢学原理[M]. 北京：冶金工业出版社,1980．
【2】曲英. 炼钢学原理[M]. 北京：冶金工业出版社,1980．
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