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研究了在电石粉中加入部分辅助反应剂后，得到的复合脱硫剂及它在喷吹法铁水脱硫生产中的应用情况。试验认为，铁水脱硫效率达到了纯电石粉的脱硫效果。实际生产结果表明：在铁水平均硫含量为０．０７１％，脱硫剂平均消耗为８．０８ｋｇ／ｔＦｅ情况下，平均铁水脱硫效率为９０．４５％；脱硫后铁水含硫量平均为０．００６５％，铁水平均温度损失为１９℃。达到了搅拌法的脱硫水平。
The application of the composite desulfurization agent and its injection in hot metal desulfurization was studied after adding some auxiliary reagents into the calcium carbide powder. Test that the hot metal desulfurization efficiency reached the pure desulfurization effect of calcium carbide. The actual production results show that the average hot metal desulfurization efficiency is 90.45% when the average sulfur content in iron is 0.071% and the average consumption of desulfurizer is 8.08kg / tFe. The average sulfur content of hot metal after desulfurization is 0.0065 %, The average temperature loss of hot metal is 19 ℃. Reached the mixing method of desulfurization level.