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    • 2. 发明申请
    • METHOD AND APPARATUS FOR PRODUCING SINTERED ORE
    • 用于生产烧结ORE的方法和装置
    • WO1994004710A1
    • 1994-03-03
    • PCT/JP1993001164
    • 1993-08-19
    • NIPPON STEEL CORPORATIONINAZUMI, Tadahiro;FUJIMOTO, Masami;OKUNO, Yoshio;SATO, Shuichi;NAKAYAMA, MasaakiTERADA, YuichiNOZAKI, KenroMATSUNAGA, ShinichiNAKAYASU, Tsutomu
    • NIPPON STEEL CORPORATION
    • C22B01/20
    • C22B1/20F27B21/06F27D2003/0039
    • In production of sintered ore using an air suction type sintering process, a method and an apparatus for producing sintered ore by allowing sintering to progress under a state in which a magnetic levitation force is applied characterized in that the surface of a raw material layer is ignited, that after sintering has started at the upper layer portion of the raw material layer, a magnetic field is applied to the raw material by means of a magnetic levitation device that is not in contact with a sintered cake in which burning is completed so that a magnetic levitation force is applied thereto, and that while the magnetic levitation force is being applied, a magnetic levitation force acting in a widthwise direction which is normal to a sintered strand is distributed so that uniform sintering is achieved through uniform ventilation distribution. The method and apparatus are further characterized in that uniform sintering is achieved through continuous application of magnetic levitation force by means of a magnetic levitation device which can be moved while in contact with the sintered cake. The method and apparatus are still further characterized in that uniform sintering is achieved by applying magnetic levitation force mainly to portions of the sintered layer where ventilation is poor by means of a plurality of non-contact and movable magnetic levitation devices.
    • 在使用空气抽吸式烧结工艺生产烧结矿时,通过使烧结在使用磁悬浮力的状态下进行烧结的方法和装置,其特征在于,原料层的表面被点燃 在原料层的上层部分开始烧结之后,通过与烧结完成的烧结块不接触的磁悬浮装置向原料施加磁场,使得 施加磁悬浮力,并且在施加磁悬浮力的同时,沿着与烧结股线垂直的宽度方向作用的磁悬浮力被分布,使得通过均匀的通风分布实现均匀的烧结。 该方法和装置的特征还在于,通过借助磁悬浮装置连续施加磁悬浮力来实现均匀烧结,磁悬浮装置可在与烧结块接触的同时移动。 该方法和装置的特征还在于,通过利用多个非接触可移动磁悬浮装置将磁悬浮力主要施加在通风不良的烧结层的部分上,实现均匀烧结。