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    • 7. 发明申请
    • PROCESS AND APPARATUS FOR PRODUCING HIGH-MANGANESE STEELS
    • 生产高锰钢的工艺和设备
    • WO2016172790A1
    • 2016-11-03
    • PCT/CA2016/050460
    • 2016-04-21
    • HATCH LTD.
    • MOSTAGHEL, SinaCRAMER, Matthew H.HERNANDEZ-AVILA, Victor Hugo
    • C21B13/00C21B13/12
    • C21B13/12C21B13/0006C21B13/004C21B13/0046C21B13/006C21B13/008C21B2300/02Y02P10/136
    • A process for producing high-manganese steel uses a low cost manganese source comprising manganese oxide, such as manganese ore fines. A mixture is provided, comprising the manganese source, an iron source comprising an iron oxide, a carbon source, and a fluxing agent. Micro-pellets comprised of the mixture are prepared, and the micro-pellets are pre-reduced to reduce at least a portion of the manganese oxide and iron oxide. The pre-reduced micro-pellets are then fed into a liquid steel bath in a steelmaking furnace to produce high-manganese steel. An apparatus comprises a pelletizer for pelletizing the mixture; a reducing unit for pre- reducing at least some of the manganese and iron oxides in the pelletized mixture and producing pre-reduced micro-pellets; and an electric steelmaking furnace containing a liquid steel bath, and having an injection port in communication with the liquid steel bath for direct injection of the pre-reduced micro-pellets into the bath.
    • 高锰钢的制造方法使用包含锰矿粉等锰氧化物的低成本锰源。 提供了包含锰源的混合物,包含氧化铁,碳源和助熔剂的铁源。 制备由混合物组成的微丸,并将微丸预先还原以减少至少一部分氧化锰和氧化铁。 然后将预还原的微粒子进料到炼钢炉中的钢液槽中,以生产高锰钢。 一种装置包括用于造粒混合物的造粒机; 还原单元,用于预先还原造粒的混合物中的至少一些锰和铁的氧化物并产生预还原的微丸; 以及包含液态钢浴的电炼钢炉,并且具有与液态钢浴连通的注入口,用于将预还原的微丸直接注入浴中。