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公开(公告)号：US11542578B2
公开(公告)日：2023-01-03
申请号：US17251126
申请日：2019-06-07
申请人： ELKEM ASA
发明人： Amélie Dieudonne , Ole Svein Klevan
摘要： The present invention relates to a silicon based alloy comprising between 45 and 95% by weight of Si; max 0.05% by weight of C; 0.4-30% by weight Cr; 0.01-10% by weight of Al; 0.01-0.3% by weight of Ca; max 0.10% by weight of Ti; up to 25% by weight of Mn; 0.005-0.07% by weight of P; 0.001-0.02% by weight of S; the balance being Fe and incidental impurities in the ordinary amount, a method for the production of said alloy and the use thereof.
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公开(公告)号：US11486011B2
公开(公告)日：2022-11-01
申请号：US16957286
申请日：2018-12-21
申请人： ELKEM ASA
发明人： Oddvar Knustad
摘要： An inoculant for the manufacture of cast iron with spheroidal graphite is disclosed, the inoculant has a particulate ferrosilicon alloy having between 40 and 80% by weight of Si; 0.02-8% by weight of Ca; 0-5% by weight of Sr; 0-12% by weight of Ba; 0-15% by weight of rare earth metal; 0-5% by weight of Mg; 0.05-5% by weight of Al; 0-10% by weight of Mn; 0-10% by weight of Ti; 0-10 by weight of Zr; the balance being Fe and incidental impurities in the ordinary amount, wherein the inoculant additionally contains, by weight, based on the total weight of inoculant: 0.1 to 15% of particulate Sb2S3, and optionally between 0.1 and 15% of particulate Bi2O3, and/or between 0.1 and 15% of particulate Sb2O3, and/or between 0.1 and 15% of particulate Bi2S3, and/or between 0.1 and 5% of one or more of particulate Fe3O4, Fe2O3, FeO, or a mixture thereof, and/or between 0.1 and 5% of one or more of particulate FeS, FeS2, Fe3S4, or a mixture thereof, a method for producing such inoculant and use of such inoculant.
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公开(公告)号：US11479828B2
公开(公告)日：2022-10-25
申请号：US16957285
申请日：2018-12-21
申请人： ELKEM ASA
发明人： Emmanuelle Ott , Oddvar Knustad
摘要： An inoculant for the manufacture of cast iron with spheroidal graphite is disclosed, the inoculant has a particulate ferrosilicon alloy having between 40 and 80% by weight of Si; 0.02-8% by weight of Ca; 0-5% by weight of Sr; 0-12% by weight of Ba; 0-15% by weight of rare earth metal; 0-5% by weight of Mg; 0.05-5% by weight of Al; 0-10% by weight of Mn; 0-10% by weight of Ti; 0-10 by weight of Zr; the balance being Fe and incidental impurities in the ordinary amount, wherein the inoculant additionally contains, by weight, based on the total weight of inoculant: 0.1 to 15% of particulate Sb2S3, and optionally between 0.1 and 15% of particulate Bi2O3, and/or between 0.1 and 15% of particulate Sb2O3, and/or between 0.1 and 15% of particulate Bi2S3, and/or between 0.1 and 5% of one or more of particulate Fe3O4, Fe2O3, FeO, or a mixture thereof, and/or between 0.1 and 5% of one or more of particulate FeS, FeS2, Fe3S4, or a mixture thereof, a method for producing such inoculant and use of such inoculant.
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公开(公告)号：US10800961B2
公开(公告)日：2020-10-13
申请号：US16232396
申请日：2018-12-26
申请人： Elkem ASA
发明人： Mohamed Al-Bagoury , Arianeh Aamodt
IPC分类号： C09K8/32 , C04B28/02 , C08B15/02 , C08L1/04 , C09K8/035 , C09K8/40 , C09K8/44 , C09K8/487 , C09K8/502 , C09K8/512 , C09K8/514 , C09K8/588 , C09K8/64 , C09K8/82 , C09K8/90 , D21H11/18 , C09K8/68 , C09K8/88 , C04B103/00
摘要： The present invention comprises a viscosifter for oil well fluids, said viscosifier comprising a cross-linked micro- or nano-fibrillated cellulose (MFC).
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公开(公告)号：US10392678B2
公开(公告)日：2019-08-27
申请号：US15527241
申请日：2015-12-08
申请人： ELKEM AS
发明人： Havard Ingvald Moe
摘要： A method for the energy efficient production of metals and alloys by carbothermic reduction of minerals and ores in electric reduction reactors is disclosed. The method includes conveying a wood containing material to at least one pyrolysis step for producing charcoal; conveying the produced charcoal, possibly other carbon-containing reduction materials and metal containing raw materials to the at least one reactor for producing metal or alloy; conveying off-gas from the at least one pyrolysis step and off-gas from the at least one reactor to at least one energy recovery step.
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公开(公告)号：US20080206123A1
公开(公告)日：2008-08-28
申请号：US12108254
申请日：2008-04-23
IPC分类号： C01B33/02
CPC分类号： C01B33/037 , C30B11/00 , C30B13/00 , C30B15/00 , C30B29/06
摘要： The present invention relates to silicon feedstock for producing directionally solidified silicon ingots, thin sheets and ribbons for the production of silicon wafers for PV solar cells where the silicon feedstock contains between 0.2 and 10 ppma boron and between 0.1 and 10 ppma phosphorus distributed in the material. The invention further relates to directionally solidified silicon ingot or thin silicon sheet or ribbon for making wafers for solar cells containing between 0.2 ppma and 10 ppma boron and between 0.1 ppma and 10 ppma phosphorus distributed in the ingot, said silicon ingot having a type change from p-type to n-type or from n-type to p-type at a position between 40 and 99% of the ingot height or sheet of ribbon thickness and having a resistivity profile described by an exponential curve having a starting value between 0.4 and 10 ohm cm and where the resistivity value increases towards the type change point. Finally the invention relates to a method for producing silicon feedstock for producing directionally solidified silicon ingots, thin sheets and ribbons for the production of silicon wafers for PV solar cells.
摘要翻译： 本发明涉及用于生产定向凝固的硅锭，薄片和带的硅原料，用于生产用于PV太阳能电池的硅晶片，其中硅原料含有0.2至10ppma的硼和分布在材料中的0.1至10ppma的磷 。 本发明还涉及定向凝固的硅锭或薄硅片或薄带，用于制造分布在锭中的0.2ppma至10ppma硼和0.1ppma至10ppma磷的太阳能电池的晶片，所述硅锭的类型从 p型至n型或从n型到p型，在铸锭高度或带厚度的板的40％至99％之间的位置，并且具有由起始值在0.4和 10欧姆厘米，其中电阻率值朝向类型变化点增加。 最后，本发明涉及一种用于生产定向凝固的硅锭，薄片和带状硅原料的方法，用于生产光伏太阳能电池的硅片。
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公开(公告)号：US20070128099A1
公开(公告)日：2007-06-07
申请号：US10585004
申请日：2004-01-12
IPC分类号： C01B33/00
CPC分类号： C01B33/037 , C30B11/00 , C30B13/00 , C30B15/00 , C30B29/06
摘要： The present invention relates to silicon feedstock for producing directionally solidified silicon ingots, thin sheets and ribbons for the production of silicon wafers for PV solar cells where the silicon feedstock contains between 0.2 and 10 ppma boron and between 0.1 and 10 ppma phosphorus distributed in the material. The invention further relates to directionally solidified silicon ingot or thin silicon sheet or ribbon for making wafers for solar cells containing between 0.2 ppma and 10 ppma boron and between 0.1 ppma and 10 ppma phosphorus distributed in the ingot, said silicon ingot having a type change from p-type to n-type or from n-type to p-type at a position between 40 and 99% of the ingot height or sheet or ribbon thickness and having a resistivity profile described by an exponential curve having a starting value between 0.4 and 10 ohm cm and where the resistivity value increases towards the type change point. Finally the invention relates to a method for producing silicon feedstock for producing directionally solidified silicon ingots, thin sheets and ribbons for the production of silicon wafers for PV solar cells.
摘要翻译： 本发明涉及用于生产定向凝固的硅锭，薄片和带的硅原料，用于生产用于PV太阳能电池的硅晶片，其中硅原料含有0.2至10ppma的硼和分布在材料中的0.1至10ppma的磷 。 本发明还涉及定向凝固的硅锭或薄硅片或薄带，用于制造分布在锭中的0.2ppma至10ppma硼和0.1ppma至10ppma磷的太阳能电池的晶片，所述硅锭的类型从 p型至n型或从n型到p型，位于锭高度或片材或带材厚度的40％至99％之间，并具有由起始值介于0.4和 10欧姆厘米，其中电阻率值朝向类型变化点增加。 最后，本发明涉及一种用于生产定向凝固的硅锭，薄片和带状硅原料的方法，用于生产光伏太阳能电池的硅片。
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8.发明授权Method for grain refining of steel, grain refining alloy for steel and method for producing grain refining alloy 有权钢的晶粒细化方法，钢的晶粒细化合金及晶粒细化合金的制造方法公开(公告)号：US07226493B2
公开(公告)日：2007-06-05
申请号：US10182237
申请日：2001-01-29
申请人： Oystein Grong , Ole Svein Klevan
发明人： Oystein Grong , Ole Svein Klevan
CPC分类号： B22D11/0405 , B62M9/06 , B62M9/08 , C21C7/0006 , C22C27/00 , C22C30/00 , C22C38/005 , C22C38/02 , C22C38/18 , C22C38/44
摘要： The present invention relates to a method for grain refining of steel. A grain refining alloy having a composition FeXY where X is one or more elements selected from the group consisting of Cr, Mn, Si, Ni, and Mo and where Y is one or more oxide and/or sulphide and or nitride and/or carbide forming elements selected from the group consisting of Ce, La, Nd, Pr, Ti, Al, Zr, Ca, Ba, Sr, Mg, C and N where X is between 0.001 and 99% by weight based on the weight of the alloy and where Y is between 0.001 and 50% by weight of the alloy, said alloy additionally containing between 0.001 and 2% by weight of oxygen and/or between 0.001 and 2% by weight of sulphur, said alloy containing at least 103 inclusion particles per mm3 consisting of oxides and/or sulphides and/or carbides and/or nitrides of one or more of the Y elements and/or one or more of the X elements Cr, Mn and Si in addition to Fe, said inclusion particles having a mean diameter of less than 10 μm, is added to molten steel in an amount of between 0.01 and 5% by weight based on the weight of the steel, whereafter the steel is cast. The invention further relates to a grain refining alloy for steel and to a method for producing grain refining alloys.
摘要翻译： 本发明涉及一种钢的晶粒细化方法。 具有组成FeXY的晶粒细化合金，其中X是选自Cr，Mn，Si，Ni和Mo中的一种或多种元素，其中Y是一种或多种氧化物和/或硫化物和/或氮化物和/或碳化物 选自由Ce，La，Nd，Pr，Ti，Al，Zr，Ca，Ba，Sr，Mg，C和N组成的组分，其中X为0.001-99重量％，基于合金的重量 并且其中Y为合金的0.001〜50重量％，所述合金另外含有0.001〜2重量％的氧和/或0.001〜2重量％的硫，所述合金含有至少10重量％ 由每一个Y 3元素和/或一个或多个X元素中的一种或多种的氧化物和/或硫化物和/或碳化物和/或氮化物组成的每mm 3的3个/ Cr，Mn和Si除了Fe之外，平均直径小于10μm的所述夹杂物颗粒以基于th的0.01至5重量％的量加入到钢水中 钢的重量，之后铸钢。 本发明还涉及一种用于钢的晶粒细化合金和一种生产晶粒细化合金的方法。
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公开(公告)号：US5978410A
公开(公告)日：1999-11-02
申请号：US913450
申请日：1997-08-26
CPC分类号： H05B7/09
摘要： 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.degree. 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.
摘要翻译： PCT No.PCT / NO96 / 00043 Sec。 371日期：1997年8月26日 102（e）日期1997年8月26日PCT提交1996年3月1日PCT公布。 公开号WO96 / 27276 日期1996年9月6日本发明涉及一种生产碳电极的方法，其中将含有在500℃以下固化的粘合剂的第一未烘烤碳质电极糊料供给到具有内部交叉的固化室之间的环状物 对应于待生产的电极的横截面和内模材料，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，任选地将第二电极浆料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。
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公开(公告)号：US5822358A
公开(公告)日：1998-10-13
申请号：US913515
申请日：1997-08-26
摘要： 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 are 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, 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, second electrode paste comprising a binder which cures at a lower temperature than the first carbonaceous paste by 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 carbonaceous electrode paste are then baked into a solid carbon electrode together with the cured shell by 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.
摘要翻译： PCT No.PCT / NO96 / 00042 Sec。 371日期：1997年8月26日 102（e）日期1997年8月26日PCT提交1996年3月1日PCT公布。 公开号WO96 / 27275 PCT 日期1996年9月6日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。 将第一未焙烧碳质电极糊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 将第一未焙烧的碳质糊料的块直径小于固化室的内径，将第二颗粒未烘烤的碳质电极浆料供应到固化室和第一未焙烧碳质电极浆料的块体之间的环状物 第二电极浆料，其包含通过布置在固化室上的加热装置在比第一含碳糊料低的温度下固化的粘合剂。 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心未烘烤块与固化壳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。
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