More than 50 years have passed since the ESR commercialization.Main steps of the ESR technology and appropriate equipment,developing until now,will be outlined.The trends in development of ESR technology and equipment...More than 50 years have passed since the ESR commercialization.Main steps of the ESR technology and appropriate equipment,developing until now,will be outlined.The trends in development of ESR technology and equipment will be also discussed.A special attention will be paid to such applications as ESR of slab ingots for soknown "z-steel" manufacturing,hollow ingots and bimetal steel production.展开更多
为稳定方坯含铝钢J45生产,从转炉下渣、冶金物料分析,Si和Al氧化反应等方面测算精炼顶渣成分和分析顶渣特性,测算不同冶金物料加入情况下精炼顶渣碱度、Al 2 O 3含量、顶渣特性,发现小转炉高拉碳法冶炼中碳钢存在工艺缺陷,在顶渣未能达...为稳定方坯含铝钢J45生产,从转炉下渣、冶金物料分析,Si和Al氧化反应等方面测算精炼顶渣成分和分析顶渣特性,测算不同冶金物料加入情况下精炼顶渣碱度、Al 2 O 3含量、顶渣特性,发现小转炉高拉碳法冶炼中碳钢存在工艺缺陷,在顶渣未能达到理论要求的条件下,采用化渣剂调节顶渣粘稠度可稳定钢水质量。展开更多
某炼钢厂利用连铸方坯在生产200 mm×200 mm GCr15轴承钢时,发现铸坯表面断断续续地出现纵向渣沟缺陷,对此类缺陷进行取样,并进行相关检测分析与工艺排查。结果表明:结晶器保护渣理化性能不合理引起的铸坯表面润滑不良是造成高碳铬G...某炼钢厂利用连铸方坯在生产200 mm×200 mm GCr15轴承钢时,发现铸坯表面断断续续地出现纵向渣沟缺陷,对此类缺陷进行取样,并进行相关检测分析与工艺排查。结果表明:结晶器保护渣理化性能不合理引起的铸坯表面润滑不良是造成高碳铬GCr15铸坯渣沟的主要原因。通过调整保护渣关键理化指标,确保结晶器内铸坯的良好润滑效果,经过长期实践验证,有效预防了连铸坯表面渣沟缺陷的发生。展开更多
文摘More than 50 years have passed since the ESR commercialization.Main steps of the ESR technology and appropriate equipment,developing until now,will be outlined.The trends in development of ESR technology and equipment will be also discussed.A special attention will be paid to such applications as ESR of slab ingots for soknown "z-steel" manufacturing,hollow ingots and bimetal steel production.
文摘某炼钢厂利用连铸方坯在生产200 mm×200 mm GCr15轴承钢时,发现铸坯表面断断续续地出现纵向渣沟缺陷,对此类缺陷进行取样,并进行相关检测分析与工艺排查。结果表明:结晶器保护渣理化性能不合理引起的铸坯表面润滑不良是造成高碳铬GCr15铸坯渣沟的主要原因。通过调整保护渣关键理化指标,确保结晶器内铸坯的良好润滑效果,经过长期实践验证,有效预防了连铸坯表面渣沟缺陷的发生。
