Method and apparatus for improved use of primary energy sources in integrated steel plants
    1.
    发明申请
    Method and apparatus for improved use of primary energy sources in integrated steel plants 有权
    一体化钢铁厂改善一次能源利用的方法和装置

    公开(公告)号:US20040226406A1

    公开(公告)日:2004-11-18

    申请号:US10846508

    申请日:2004-05-17

    IPC分类号: C21B013/14

    摘要: A method and an integrated steel plant wherein, instead of using coke oven gases, converter gases and blast furnace top gases available as fuel for power generation or other heating purposes, these gases are more efficiently utilized as chemical agents for direct reduction of iron ores producing DRI. DRI is charged to blast furnaces increasing production of crude steel without increasing the capacities of the coke oven plant and blast furnaces and without changes in the quality of the crude steel, or, if production rate is maintained, the fossil fuels specific consumption is significantly reduced. Utilisation of primary fossil energy according to the invention also reduces the specific CO2 emissions per ton of crude steel. The specific CO2 emission in conventional integrated mills is about 1.6 tons of CO2 per ton of crude steel.

    摘要翻译: 一种方法和综合钢铁厂,其中,代替使用焦炉煤气,转炉气体和高炉顶部气体作为用于发电或其他加热目的的燃料,这些气体被更有效地用作直接还原铁矿石生产的化学试剂 DRI。 在不增加焦炉厂和高炉的能力,粗钢质量不变的情况下,DRI将用于提高粗钢产量的高炉,或者如果维持生产率,则化石燃料的特定消耗量显着降低 。 根据本发明的主要化石能源的利用也降低了每吨粗钢的特定二氧化碳排放量。 常规综合磨坊的二氧化碳排放量,每吨粗钢约为1.6吨二氧化碳。