CHARGING SYSTEM, IN PARTICULAR FOR A SHAFT SMELT REDUCTION FURNACE

    公开(公告)号:US20200318207A1

    公开(公告)日:2020-10-08

    申请号:US16767014

    申请日:2018-12-06

    申请人: PAUL WURTH S.A.

    摘要: A charging system for a shaft smelt reduction furnace includes a frame structure for mounting on a top charge opening of a shaft smelt reduction vessel; a center shaft arrangement supported by the frame structure and for removing off-gas gases from the furnace and to introduce granular charge materials to form a stack of materials in the furnace. The center shaft arrangement includes a center hood for off-gas extraction; a pair of first and second feed channels for first and second materials. The center hood includes a pair of facing off-gas panels defining an off-gas channel. The partition walls include lower portions that extend towards each other below the center hood to define a center feed passage, whereby material descending through the first feed channels may accumulate on lower portions according to the angle of repose of the material, permitting self-adjustment of the first material stock-line in the shaft arrangement.

    Lid of preformed refractory material for metallurgical melting furnace
    14.
    发明授权
    Lid of preformed refractory material for metallurgical melting furnace 失效
    用于冶金熔化炉的预制耐火材料盖

    公开(公告)号:US6017487A

    公开(公告)日:2000-01-25

    申请号:US158853

    申请日:1993-11-29

    申请人: George L. Fish

    发明人: George L. Fish

    IPC分类号: F27D1/04 F27D1/18 C21B7/02

    CPC分类号: F27D1/04 F27D1/1808

    摘要: A lid for a melting furnace includes preformed refractory side panels in the form of circular sectors and a center panel in the form of a circular or octagonal closure. The side panels are inclined upward and inward from support provided by a lid ring encircling the lid. The center panel is horizontal. The edges of the panels are according to one embodiment beveled to mutually support one another and contain keyways filled with keys that structurally interconnect the panels. The side panels may include a plurality of blocks with step portions for mutual engagement between a corresponding skewback and the center panel.

    摘要翻译: 用于熔炉的盖子包括呈圆形扇形形式的预制耐火材料侧板和圆形或八角形封闭件形式的中心板。 侧板从由围绕盖的盖环提供的支撑件向上和向内倾斜。 中心面板是水平的。 面板的边缘根据一个实施例,其被倾斜以彼此相互支撑并且包含填充有结构地互连面板的键的键槽。 侧板可以包括多个块,其具有阶梯部分,用于相应的倒角与中心板之间的相互接合。

    Brick assembly for use in metallurgical vessels
    15.
    发明授权
    Brick assembly for use in metallurgical vessels 失效
    砖组件用于冶金容器

    公开(公告)号:US4272063A

    公开(公告)日:1981-06-09

    申请号:US41660

    申请日:1979-05-23

    申请人: Clyde E. Lawhon

    发明人: Clyde E. Lawhon

    IPC分类号: C21C5/44 C21B7/02

    CPC分类号: C21C5/44

    摘要: Bottom blown metallurgical vessels using oxygen having a brick assembly which is secured together by metal anchors.

    摘要翻译: 使用具有砖组件的氧的底部吹制冶金容器,其通过金属锚定件固定在一起。

    Inductially heated gas lift pump action method for melt reduction
    16.
    发明授权
    Inductially heated gas lift pump action method for melt reduction 失效
    用于熔体还原的电加热气举泵动作方法

    公开(公告)号:US3932173A

    公开(公告)日:1976-01-13

    申请号:US400650

    申请日:1973-09-25

    CPC分类号: C22B4/00 C21B13/0006

    摘要: A method for reducing iron oxide in a melt of iron by maintaining a reduction layer on the surface of the molten iron and passing the molten metal from the melt through vertical channels which communicate at the bottom of the metal melt an with a space at the top of the melt which is above that of the reduction layer so as to pass the melt including the oxide there through the reduction layer, the molten metal being lifted up through the channel by means of a gas lift pump action and heating the molten metal by inductive heating while it is flowing through the channel.

    摘要翻译: 一种通过在铁水表面保持还原层并使来自熔体的熔融金属通过垂直通道在金属熔体的底部连通的顶部和顶部的空间来还原铁的熔化物的方法 的熔体高于还原层的熔体,以使包含氧化物的熔体通过还原层,熔融金属通过气举泵作用被提升通过通道,并通过感应加热熔融金属 在流经通道时加热。

    Melting furnace
    17.
    发明授权
    Melting furnace 失效
    熔炼炉

    公开(公告)号:US3700224A

    公开(公告)日:1972-10-24

    申请号:US3700224D

    申请日:1969-10-13

    发明人: NOLTING PETER

    IPC分类号: F27D11/02 H05B3/66 C21B7/02

    CPC分类号: H05B3/66 F27D11/02 Y10S266/90

    摘要: A melting furnace comprising a melting chamber in which a plurality of parallel adjacent electric heating resistances are transversely mounted and secured to opposite wall portions of the chamber in the region of the top thereof. The electric heating resistances have major and minor surfaces and are positioned so that their major surfaces extend parallel with the vertical plane of the melting chamber.

    摘要翻译: 一种熔化炉,其包括熔化室,其中多个平行的相邻的电加热电阻横向地安装并固定到其顶部区域中的室的相对的壁部分。 电加热电阻具有主表面和次表面,并且其定位使得它们的主表面平行于熔化室的垂直平面延伸。