LINING FOR ALUMINUM PRODUCTION FURNACE
    23.
    发明申请
    LINING FOR ALUMINUM PRODUCTION FURNACE 审中-公开
    用于生产铝的炉衬

    公开(公告)号:WO1996037637A1

    公开(公告)日:1996-11-28

    申请号:PCT/US1996007514

    申请日:1996-05-23

    CPC classification number: C25C3/06 C25C3/085

    Abstract: A method of producing aluminum, comprising the steps of: a) providing an aluminum reduction cell comprising a cathode (4), an anode (6) and a sidewall (2), the sidewall (2) having a thickness and comprising: i) a lining (7) consisting essentially of a material selected from the group consisting of silicon nitride, silicon carbide, titanium diboride and boron carbide, and having a density of at least 95 % of theoretical density, at least closed porosity, and no apparent porosity, and ii) an insulating layer backing the lining, b) contacting the lining with an electrolyte comprising at least 60 % cryolyte and having a temperature of between 650 DEG C and 1100 DEG C, and c) providing an electric current from the cathode to the anode through the electrolyte, thereby producing aluminum at the cathode, wherein the electrolyte temperature, the cryolite concentration and the thickness of the sidewall are predetermined so that the cryolite does not form a frozen crust anywhere on the lining.

    Abstract translation: 一种生产铝的方法,包括以下步骤:a)提供包括阴极(4),阳极(6)和侧壁(2)的铝还原电池,所述侧壁(2)具有厚度并包括:i) 基本上由选自氮化硅,碳化硅,二硼化钛和碳化硼组成的组中的材料组成的衬里(7),并且具有至少95%理论密度的密度,至少封闭的孔隙率,并且没有表观孔隙率 ,和ii)背衬所述衬里的绝缘层,b)使衬里与包含至少60%的冷冻液并且具有在650℃和1100℃之间的温度的电解液接触,以及c)提供从阴极到 阳极通过电解质,从而在阴极处产生铝,其中电解质温度,冰晶石浓度和侧壁的厚度是预先确定的,使得冰晶石不会在衬里上任何地方形成冷冻的外壳。

    KILN FURNITURE POST DESIGN
    25.
    发明申请
    KILN FURNITURE POST DESIGN 审中-公开
    KILN FURNITURE后设计

    公开(公告)号:WO1996016307A1

    公开(公告)日:1996-05-30

    申请号:PCT/US1995015047

    申请日:1995-11-17

    CPC classification number: F27D5/0006 A47B87/0246 F27D3/123

    Abstract: A kiln furniture assembly comprising: a) a pair of vertical posts (1), b) a plurality of short horizontal beams (10) extending from each of said posts at identical intervals and in the same direction, the upper surfaces of the pair of beams at a given interval defining a horizontal surface, and c) a stringer (8) seated upon each of the horizontal surfaces, wherein each beam is supported only by the one post from which it extends.

    Abstract translation: 一种窑具家具组件,包括:a)一对垂直柱(1),b)多个短水平梁(10),其以相同的间隔和相同的方向从每个所述柱延伸,所述一对 以规定的水平面的给定间隔的横梁,以及c)坐在每个水平表面上的纵梁(8),其中每个梁仅由其延伸的一个支柱支撑。

    HIGH VOLTAGE CERAMIC IGNITER
    26.
    发明申请
    HIGH VOLTAGE CERAMIC IGNITER 审中-公开
    高电压陶瓷IGNITER

    公开(公告)号:WO1996011361A1

    公开(公告)日:1996-04-18

    申请号:PCT/US1995012815

    申请日:1995-10-05

    Abstract: A method of heating, comprising the step of providing a line voltage of between 120 V and 230 V across a ceramic igniter having a hot zone composition comprising: (a) between 50 and 80 v/o of an electrically insulating ceramic having a resistivity of at least about 10 ohm-cm; (b) between 10 and 45 v/o of a semiconductive material having a resistivity of between about 1 and about 10 ohm-cm; (c) between 5 and 25 v/o of a metallic conductor having a resistivity of less than about 10 ohm-cm; and (d) between 2.0 and 20 v/o of a resistivity-enhancing compound selected from the group consisting of metallic oxides, metallic oxynitrides, rare earth oxides, rare earth oxynitrides, and mixtures thereof.

    Abstract translation: 一种加热方法,包括在具有热区组成的陶瓷点火器上提供120V和230V之间的线电压的步骤,所述陶瓷点火器包括:(a)50至80v / o的电绝缘陶瓷,其电阻率为 至少约10 10欧姆 - 厘米; (b)10至45v / o的电阻率为约1至约10 8 ohm-cm的半导体材料; (c)5至25v / o的电阻率小于约10 -2 ohm-cm的金属导体; 和(d)2.0至20v / o的选自金属氧化物,金属氮氧化物,稀土氧化物,稀土氧氮化物及其混合物的电阻率增强化合物。

    NOVEL WATER WALL TUBE BLOCK DESIGN
    28.
    发明申请
    NOVEL WATER WALL TUBE BLOCK DESIGN 审中-公开
    新型水壁砖设计

    公开(公告)号:WO1995033956A1

    公开(公告)日:1995-12-14

    申请号:PCT/US1995007024

    申请日:1995-05-31

    CPC classification number: F23M5/02 F22B37/108 F23M5/08

    Abstract: A water wall heat transfer system comprising tube block and assembly, the assembly comprising a plurality of parallel tubes (91) connected therebetween by a membrane (92), wherein the tube block comprises: a) a base section, and b) a plurality of spaced ridges (3) extending upward from the base section, the upper surface of at least one of the spaced ridges defining a generally horizontal surface, the ridges being spaced to define channels (4) therebetween, the height of at least one of spaced ridges being such that the membrane of the assembly seats thereon, said tube block containing a means for securing the tube block to the tube assembly.

    Abstract translation: 一种包括管块和组件的水壁传热系统,所述组件包括通过膜(92)连接在其间的多个平行管(91),其中所述管块包括:a)基部,以及b)多个 间隔的脊(3)从基部向上延伸,至少一个间隔脊的上表面限定大致水平的表面,所述脊间隔开以在其间限定通道(4),至少一个间隔脊 使得组件的膜座位于其上,所述管块包含用于将管块固定到管组件的装置。

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