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    • 10. 发明申请
    • METHOD AND APPARATUS FOR MANUFACTURING FERROCHROME
    • 用于制造铁磁体的方法和设备
    • WO2012067353A3
    • 2012-07-12
    • PCT/KR2011007801
    • 2011-10-19
    • POSCOLEE YOUNG-SEOKCHO MINYOUNGYOON YOUNG SIKKANG YONG SOO
    • LEE YOUNG-SEOKCHO MINYOUNGYOON YOUNG SIKKANG YONG SOO
    • C22C33/04
    • C22B1/00C22B34/32
    • Provided is a method and apparatus for manufacturing ferrochrome. According to the present invention, the method for manufacturing ferrochrome comprises the steps of: heating fine chromium ore; pre-reducing the heated fine chromium ore; mixing a flux into the fine chromium ore; preparing a compacted body after mixing the pre-reduced fine chromium ore and the flux; and loading the compacted body into a smelting-reduction furnace, and performing smelting-reduction through the combustion of carbonaceous material. According to the present invention, fine chromium ore can be compacted in a non-melted state and smelting-reduction can be carried out at a low temperature using a flux. Thus, ferrochrome can be stably manufactured in the smelting-reduction furnace utilizing a carbon-based heat source.
    • 提供了一种制造铬铁的方法和设备。 根据本发明,制造铬铁的方法包括以下步骤:加热细铬矿; 预还原加热的细铬矿石; 将助熔剂混入细铬矿石中; 在预还原的细铬矿石和助熔剂混合后制备压实体; 并将该压制体装入熔融还原炉中,并通过燃烧碳质材料进行熔融还原。 根据本发明,细铬矿石可以在非熔化状态下被压实,并且可以使用助熔剂在低温下进行熔融还原。 因此,可以在利用碳基热源的熔炼还原炉中稳定地制造铬铁。