Research for Control of Sulphur Content in Smelting Process of Electrical Steel
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摘要: 介绍了攀钢冶炼电工钢过程硫含量变化以及过程回硫、增硫情况,采取针对性措施,如:提高铁水装入量、转炉采用石英砂代替复合造渣剂造渣、RH脱硫等,降低钢中硫含量。结果表明:采取相应措施后,电工钢炼成率大幅提高,成品w[S] ≤ 0.008%的比例由改进前的62%提高到92.4%,取得了明显的冶金效果。Abstract: The resulfurization and the change of sulphur content in production of electrical steel is analyzed.The targeted measures have been taken,such as increase the loaded quantity of liquid iron,quartz sand replaces the composite slagging agent in the converter and RH desulfurization to decrease the sulphur content of the steel.The result shows,after the measures have been taken,the finished product ratio of electrical steel increase a lot.The ratio of sulfur content of finished product no more than 0.008% increased to 92.4% from 62%,the metallurgical effect was obvious obtained.
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Key words:
- electrical steel /
- sulphur content /
- quartz sand /
- RH /
- desulphurization /
- resulfurization /
- finished product ratio
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