金属学报  1956, Vol. 1 Issue (4): 311-324

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电炉冶炼中缩短还原期的研究

方柄;孙以光;胡壮麒;贺潛菊;刘成器;王景唐;邢中枢

中国科学院金属研究所;中国科学院金属研究所;某厂助理工程师;中国科学院金属研究所;中国科学院金属研究所;中国科学院金属研究所;中国科学院金属研究所;中国科学院金属研究所

ON THE SHORTENING OF REDUCING PERIOD IN THE ELECTRIC FURNACE SMELTING

FANG BING;SUENG I-KWANG;HOO CHWANG-CHI;HO CHEIN-CHU;LIU CHENG-CHI;WANG CHING-TANG AND HSING CHUNG-SHU Institute of Metal Research;Academia Sinica

方柄;孙以光;胡壮麒;贺潛菊;刘成器;王景唐;邢中枢. 电炉冶炼中缩短还原期的研究[J]. 金属学报, 1956, 1(4): 311-324.
, , , , , , . ON THE SHORTENING OF REDUCING PERIOD IN THE ELECTRIC FURNACE SMELTING[J]. Acta Metall Sin, 1956, 1(4): 311-324.

摘要 参考文献 相关文章 Metrics 全文: PDF(959 KB)   摘要: 在装料量为8吨的小型电炉上进行了冶炼各种碳钢的缩短还原期的研究。还原期缩短到70分钟(低碳钢冶炼中还增加矽铁粉加入量和提早加入时间)的结果是:脱氧、脱硫符合要求,钢中非金属夹杂物和氮的含量显著减少,并提高炉子生产率约7%。从而指出了以电炉冶炼碳钢时还原期的时间和脱氧制度应按钢中碳含量的不同而有所区别。并指出中、高碳钢冶炼中还原期缩短到50分钟左右的可能性。此外还观察到还原期末[S]/[O]=1.2—2.2的关系。 Abstract：Experiments were carried out with the purpose of shortening the reducingperiod in small basic electric furnace for carbon steels of various carbon content.In some of the experimental heats reducing period was shortened by 20 mi-nutes and the others were made according to the normal procedure of the works.For some of the low carbon steel heats,the amount of ferro-silicon powder wasincreased by 20% and added in advance.The results,obtained from heats of shorterreducing period,show that the deoxidation and desulphurization appear to be ascomplete as that of a normal heat,the content of nitrogen and non-metallic in-clusions being much less.In addition,the results on mechanical properties showthat in the case of medium carbon steel,the impact value is higher,and in thecase of low carbon steel the percentage of elongation and the rate of reductionof area are also slightly superior although the yield strength becomes somewhatlower.Such a shortening of reducing period also results in a 7% increase ofthe rate of production.It is suggested that in electric steel smelting process theappropriate deoxidation procedure and the length of reducing period should varyin accordance with different carbon content of the steel.A relationship of[S]/[O]=1.2—2.2 at the end of reducing period was ob-served,and the possibility of further shortening of the reducing period in makingmedium and high carbon steel was also pointed out. 收稿日期: 1956-04-18      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 方柄 孙以光 胡壮麒 贺潛菊 刘成器 王景唐 邢中枢 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1956/V1/I4/311 [1] 方柄、王景唐、胡壮麒、刘成器、邢中枢,电炉吹氧冶炼的熔池反应,金属学报,1(1956) ,3,246-248． [2] 同文献[1] ,251． [3] 电炉氧气炼钢试验报告(一),中国科学院金属研究所内部资料,1955年,14页,图7． [4] 电炉氧气炼钢试验报告(二),中国科学院金属研究所内部资料,1955年,21页,图16、 17． [5] 电炉氧气炼钢试验报告(三),中国科学院金属研究所内部资料,1955年,4-10页,图1、 3、 4、 6． [6] 电炉氧气炼钢试验报告(四),中国科学院金属研究所内部资料,1955年,图1、 3、 5、 6-9、 11、 12． [7] 李薰、陈文绣、杨维琛、张永刚、张子青,冶炼过程中钢液含氢的变化,1954年金属研究工作报告会会刊,第67页. [8] 同文献[1] ,243． [9] #12 [10] Fischer,W.A.,Cohnen,T.,Der Einfluss des Kohlenstoffgehaltes auf die Entschwefelung von Eisenschlmelzen durch einen Kalk-Flussspat-Tiegel im Hochfrequenzofen,Arch.Eisenhüttenwesen,21(1950) ,355． [11] Fischer,W.A.,Engelbrecht,H.,Die gleichzeitige Entschwefelung and Desoxydation von Stahlschmelzen,Stahl und Eisen,1955,2,70． [12] #12 No related articles found! Viewed Full text Abstract Cited   Shared      Discussed