Experimental study on dearsenization of molten steel with different Ca alloys
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摘要: 為了充分利用我國含砷鐵礦資源,采用精煉渣+不同Ca合金對鋼液進行脫砷研究,獲得較高的脫砷率,其中Si-CaBa合金綜合脫砷效果最佳.在相同操作條件下,通過改變實驗條件,對鋼液中砷含量隨時間變化規律以及對脫砷效果的影響進行研究,并對高砷含量下不同Ca合金加入鋼液后Ca的有效利用率進行詳細分析.Abstract: To make full use of Chinese symplesite resources,refining slags and different Ca alloys were added to molten steel as dearsenization agents in the experiment. The Si-Ca-Ba alloy showed the most obvious dearsenization effect. Under the same operation conditions,the change of arsenic content in molten steel was investigated by changing experimental conditions,and the influences of experimental conditions on the dearsenization effect were discussed. Simultaneously,the utilization ratio of Ca after adding different Ca alloys to molten steel at high arsenic content was discussed in detail.
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Key words:
- steelmaking /
- refining /
- dearsenization /
- calcium alloys
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