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    • 1. 发明申请
    • METHOD AND APPARATUS FOR PRODUCING SELF-BAKING CARBON ELECTRODE
    • 用于生产自焙碳电极的方法和装置
    • WO1996027275A1
    • 1996-09-06
    • PCT/NO1996000042
    • 1996-03-01
    • ELKEM A/SJOHANSEN, Johan, Arnold
    • ELKEM A/S
    • H05B07/09
    • H05B7/09H05B7/101
    • This invention relates to a method for continuous production of a self-baking carbon electrode in direct connection with the smelting furnace wherein the electrode is consumed. Blocks of a first unbaked carbonaceous electrode paste is supplied to a curing chamber arranged at the upper end of the electrode, which curing chamber is open at its top and at its bottom and has an inner cross section corresponding to the cross section of the electrode which is to be produced, said blocks of the first unbaked carbonaceous paste having a smaller diameter than the inner diameter of the curing chamber, supplying a second particulate unbaked carbonaceous electrode paste to the annulus between the curing chamber and the blocks of the first unbaked carbonaceous electrode paste, said second electrode paste comprising a binder which cures at a lower temperature than the first carbonaceous electrode paste, heating and curing the second carbonaceous paste by means of heating means arranged on the curing chamber. The second carbonaceous electrode paste thereby forms a cured shell about the central blocks of the first carbonaceous electrode paste. The central unbaked blocks of the first carbonaeous electrode paste is then baked into a solid carbon electrode together with the cured shell by means of the heat generated in the area of electric current supply to the electrode. The invention further relates to an apparatus for production of such electrodes.
    • 本发明涉及一种直接与冶炼炉连接生产自焙碳电极的方法,其中电极被消耗。 将第一未烘烤的碳质电极浆料的块供给到布置在电极的上端的固化室,该固化室在其顶部和底部开口,并且具有对应于电极的横截面的内部横截面 所述第一未烧烤碳质糊料的所述块的直径小于所述固化室的内径,将第二颗粒未烘烤的碳质电极浆料供应到所述固化室和所述第一未烘烤碳质电极的块体之间的环状物 所述第二电极浆料包含在比所述第一碳质电极糊料低的温度下固化的粘合剂,通过设置在所述固化室上的加热装置加热和固化所述第二碳质糊料。 因此,第二碳质电极糊料围绕第一碳质电极浆料的中心块形成固化壳。 然后通过在电极的电流供应区域产生的热量将第一碳质电极浆料的中央未烘烤块与固化的壳体一起烘烤成固体碳电极。 本发明还涉及一种用于制造这种电极的装置。
    • 2. 发明申请
    • METHOD FOR PRODUCTION OF CARBON ELECTRODES
    • 生产碳电极的方法
    • WO1996027276A1
    • 1996-09-06
    • PCT/NO1996000043
    • 1996-03-01
    • ELKEM A/SJOHANSEN, Johan, ArnoldUGLAND, Reidar
    • ELKEM A/S
    • H05B07/09
    • H05B7/09
    • The present invention relates to a method for production of carbon electrodes where a first unbaked carbonaceous electrode paste containing a binder which cures at a temperature below 500 DEG C is supplied to an annulus between a curing chamber having an inner cross section corresponding to the cross section of the electrode which is to be produced and an inner mould material, curing of the first electrode paste by means of supplying heat to the curing chamber, removing of elongated sections of the cured first electrode paste from the curing chamber. The lengths of the cured first electrode paste are mounted on the top of the electrode column in an electric smelting furnace, a second electrode paste is optionally supplied to the central opening of the cured body of the first electrode paste, whereby the cured body of the first electrode paste and the second electrode paste are baked into a solid carbon electrode in the area of supplying electric operating current to the electrode.
    • 本发明涉及一种生产碳电极的方法,其中将含有在500℃以下的温度固化的粘合剂的第一未焙烧碳质电极糊料供给到具有与横截面对应的内部横截面的固化室之间的环状部分 待制造的电极和内部模具材料,通过向固化室供热来固化第一电极浆料,从固化室中除去固化的第一电极浆料的细长部分。 固化的第一电极浆料的长度在电冶炼炉中安装在电极柱的顶部,第二电极浆料任选地供应到第一电极浆料的固化体的中心开口,由此, 在向电极供给电动作电流的区域中,将第一电极浆料和第二电极浆料烘烤成固体碳电极。
    • 3. 发明申请
    • CAST IRON INOCULANT AND METHOD FOR PRODUCTION OF CAST IRON INOCULANT
    • 铸铁铁矿和铸铁铁矿生产方法
    • WO1995024508A1
    • 1995-09-14
    • PCT/NO1995000029
    • 1995-02-13
    • ELKEM A/SSKALAND, Torbjorn
    • ELKEM A/S
    • C21C01/10
    • C22C35/005C21C1/105C22C33/08
    • The invention relates to an inoculant for the manufacture of cast iron with lamellar, compacted or spheroidal graphite wherein said inoculant comprises between 40 and 80 % by weight of silicon, between 0.5 and 10 % by weight of calcium and/or strontium and/or barium, less than 4 % by weight of aluminium, 0-10 % by weight of manganese and/or titanium and/or zirconium, between 0.5 and 10 % by weight of oxygen in the form of one or more metal oxides, the balance being iron. The invention further relates to a method for producing an inoculant for the manufacture of cast iron with lamellar, compacted or spheroidal graphite, providing a base alloy comprising 40 to 80 % by weight of silicon, 0.5 to 10 % by weight of calcium and/or strontium and/or barium, less than 4 % by weight of aluminium, 0-10 % by weight of manganese and/or titanium and/or zirconium, the balance being iron, and adding 0.5 to 10 % by weight of oxygen in the form of one or more metal oxides to the base alloy.
    • 本发明涉及用于制造具有层状,压实或球形石墨的铸铁的孕育剂,其中所述孕育剂包含40至80重量%的硅,0.5至10重量%的钙和/或锶和/或钡 ,小于4重量%的铝,0-10重量%的锰和/或钛和/或锆,0.5-10重量%的一种或多种金属氧化物形式的氧,余量为铁 。 本发明还涉及一种生产用于制造具有层状,压实或球状石墨的铸铁的孕育剂的方法,提供了包含40至80重量%的硅,0.5至10重量%的钙和/或 锶和/或钡,小于4重量%的铝,0-10重量%的锰和/或钛和/或锆,余量为铁,并加入0.5至10重量%的形式的氧 的一种或多种金属氧化物。
    • 7. 发明申请
    • METHOD FOR PRODUCTION OF ALKYLHALOSILANES
    • 生产烷基硅氧烷的方法
    • WO1996026947A1
    • 1996-09-06
    • PCT/NO1996000037
    • 1996-02-19
    • ELKEM A/S
    • ELKEM A/SRONG, Harry, Morten
    • C07F07/16
    • C07F7/16
    • The present invention relates to a method for production of alkylhalosilanes by reaction between elemental silicon and an alkylhalide at elevated temperatures in the presence of a copper-base catalyst and optionally promotors. The total aluminium content in the reactor is controlled by adding to the reactor aluminium in the form of metallic aluminium, or an aluminium alloy, or an aluminium-containing silicon alloy or a solid aluminium-containing compound or mixtures thereof in an amount between 0.01 and 1 % by weight calculated as aluminium based on the weight of silicon supplied to the reactor.
    • 本发明涉及通过在铜基催化剂和任选的促进剂的存在下在升高的温度下通过元素硅和烷基卤化物之间的反应制备烷基卤代硅烷的方法。 反应器中的总铝含量通过将金属铝或铝合金或含铝硅合金或固体含铝化合物或其混合物的形式的铝加入到反应器中,其量为0.01至 基于供应到反应器的硅的重量计算为1重量%的铝。
    • 8. 发明申请
    • SELF-BAKING CARBON ELECTRODE
    • 自烧碳电极
    • WO1996003849A1
    • 1996-02-08
    • PCT/NO1995000123
    • 1995-07-07
    • ELKEM A/SINNVÆR, Reidar
    • ELKEM A/S
    • H05B07/09
    • H05B7/107H05B7/09
    • The invention relates to a self-baking carbon electrode produced in direct connection with the furnace wherein it is consumed. The electrode comprises an outer casing made from an electrical conducting material, and having inner radial, vertical ribs. Carbonaceous unbaked paste is supplied to the casing, which paste is being baked to a solid electrode by means of electric current supplied to the electrode. The inner radial, vertical ribs consist of solid carbon sheets being affixed to the inside of the casing, said carbon sheets having a ratio between radial length and thickness of above 5:1.
    • 本发明涉及一种与炉直接连接而生产的自焙碳电极,其中其被消耗。 电极包括由导电材料制成并具有内径向垂直肋的外壳。 将碳质未烘烤糊剂供给到壳体,该糊料通过供给到电极的电流被烘烤成固体电极。 内部径向垂直肋由固定在壳体内部的固体碳片组成,所述碳纸的径向长度和厚度之比大于5:1。
    • 9. 发明申请
    • METHOD FOR DIRECT CHEMICAL ANALYSIS OF MOLTEN METAL
    • 金属直接化学分析方法
    • WO1995003546A1
    • 1995-02-02
    • PCT/NO1994000114
    • 1994-06-21
    • ELKEM A/SEIVINDSON, Torkild
    • ELKEM A/S
    • G01N33/20
    • G01N21/33G01N33/206
    • The invention relates to a method for quantitative analysis of one or more elements in a molten metal bath. Light from one or more light sources are focused against the surface of the molten bath and is reflected from the surface of the metal bath to a monochromator or a polychromator connected to detectors for detecting absorbed light in a gas layer associated with the melt of a wavelength or wavelengths corresponding to the element or elements to be analyzed. The absorbtion signals are proportional to the atom- or molecular density of the components to be analyzed and a function of the thickness of the gas layer and the concentration of the element or elements in the molten metal bath. The concentration of the elements to be analyzed is the calculated based or known relations between absorption signal, the thickness of the gas layer and the temperature of the metal bath.
    • 本发明涉及一种用于定量分析熔融金属浴中的一种或多种元素的方法。 来自一个或多个光源的光聚焦在熔池的表面上,并且从金属浴表面反射到连接到检测器的单色仪或多色板,用于检测与波长熔体相关联的气体层中的吸收光 或对应于要分析的元件的波长。 吸收信号与要分析的组分的原子或分子密度成比例,并且气体层的厚度和熔融金属浴中的元素的浓度的函数成正比。 要分析的元素的浓度是吸收信号,气体层的厚度和金属浴的温度之间的计算的或已知的关系。