钙基复合脱氧剂作炼钢终脱氧剂的实验与分析  

Test and Analysis of Ca-based Compound Deoxidizer Used as Final Deoxidizer in Steel-making

作　　者：张朝晖[1] 杨魁[1] 巨建涛[1] 

机构地区：[1]西安建筑科技大学冶金工程学院,陕西西安710055

出　　处：《热加工工艺》2011年第9期27-30,共4页Hot Working Technology

摘　　要：分析了复合脱氧的机理,进行了钙基复合脱氧剂和SiAlFe脱氧剂在转炉出钢过程中的工业性脱氧试验。结果表明:与SiAlFe脱氧剂相比,钙基复合脱氧剂具有脱氧效果良好、净化钢液和改善钢水流动性和可浇性的优点,使钢材的力学性能显著提高,并使合金Si、Mn平均收得率分别提高1.78%和0.68%,每吨钢脱氧成本降低1.75元;从脱氧工艺效果及经济效益考虑,钙基复合脱氧剂适合用作转炉炼钢的终脱氧剂。The deoxidization mechanism of multi-element compound deoxidizer was analyzed.The industrial deoxidizing test using Ca-based compound deoxidizer was carried out.The results show that compared with SiAlFe deoxidizer,Ca-based compound deoxidizer has advantages,such as well-deoxidization effect,purification molten steel,and improving the flowability and castability of liquid steel,the average recovery rate of Si and Mn can be increased by 1.78% and 0.68%,respectively,and the cost of deoxidation be reduced by 1.75 yuan every tons of steel.In the sight of the process effect and economic benefit of the deoxidation,Ca-based compound deoxidizer is suitable for final deoxidizer in converter steel-making.

关 键 词：脱氧机理 复合脱氧剂 可浇性 终脱氧 

分 类 号：TG250.2[金属学及工艺—铸造]