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宣钢的高炉铁水炉外脱硫系统采用石灰粉脱硫,原用瓶装氮气作脱硫剂输送载体,成本高,工艺复杂,现经研究,成功地用湿空气代替氮气,从而降低脱硫成本,简化供气工艺。
The desulphurization system outside the blast furnace hot metal ladle of Xuanhua adopts lime powder desulfurization. The original nitrogen carrier gas is used as the desulfurization agent to transport the carrier. The cost is high and the process is complex. After research, the wet air instead of nitrogen is successfully used to reduce the desulfurization cost and simplify the air supply Process.