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    • 7. 发明公开
    • MOLTEN IRON MANUFACTURING METHOD AND MOLTEN IRON MANUFACTURING APPARATUS
    • EISENSCHMELZEHERSTELLUNGSVERORHREN UND EISENSCHMELZEHERSTELLUNGSVORRICHTUNG
    • EP3081654A1
    • 2016-10-19
    • EP13898893.6
    • 2013-12-24
    • Posco
    • SHIN, Myoung KyunKIM, Sang-Hyun
    • C21B13/00C21B11/00
    • C21B13/0073C21B13/002C21B13/0033C21B13/0086C21B13/02C21B13/14C21B2100/22Y02P10/136Y02P10/216
    • The present invention has been made in an effort to provide a molten iron manufacturing method and a molten iron manufacturing apparatus, having advantages of being capable of improving reducing power of reduced iron in a reduction reactor by generating a reformed gas with a hydrocarbon gas. An exemplary embodiment of the present invention provides an molten iron manufacturing method including: i) supplying a discharge gas from a reduction reactor that converts iron ore to reduced iron; ii) supplying a mixed gas that is obtained by mixing some branched discharge gas and a hydrocarbon gas; iii) supplying a reformed gas by reforming the mixed gas; and iv) injecting a reducing gas, discharged from a melter-gasifier connected with the reduction reactor to receive the reduced iron, and the reformed gas into the reduction reactor, the supplying of the reformed gas includes supplying some of the reduced iron as a reforming reaction catalyst, and reforming the mixed gas by using the reforming reaction catalyst.
    • 本发明的目的在于提供一种铁水制造方法和铁水制造装置,其特征在于能够通过生成碳氢化合物气体的重整气体来提高还原反应器中还原铁的还原能力。 本发明的一个示例性实施例提供了一种铁水制造方法,其包括:i)从将铁矿石转化为还原铁的还原反应器供应排出气体; ii)提供通过混合一些分支排出气体和烃气体而获得的混合气体; iii)通过重整所述混合气体来供应重整气体; 以及iv)从与所述还原反应器连接的熔炉 - 气化器排出的还原气体注入以还原铁,并且所述重整气体进入所述还原反应器,所述重整气体的供应包括:将一些还原铁作为重整 反应催化剂,并通过使用重整反应催化剂重整混合气体。