| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 075303000 | Solid treating composition for liquid metal (e.g., flux, slagging agent, casting agent, etc.) or charge | 61 |
| 20080257108 | Coated Slag - The invention relates to coated slag, which is coated with a layer of a hydrophobic polyurethane. | 10-23-2008 |
| 20100037729 | BLAST FURNACE METALLURGICAL COAL SUBSTITUTE PRODUCTS AND METHOD - A carbonaceous material substitute product for blast furnace metallurgical coal and method of making the carbonaceous material is disclosed. A metallurgical coal substitute material is made from non-metallurgical grade coal or other carbon sources. | 02-18-2010 |
| 20100206131 | SELF-FLUXING PELLETS FOR BLAST FURNACE AND METHOD FOR MANUFACTURING THE SAME - Provided are self-fluxing pellets for a blast furnace, characterized in that a CaO/SiO | 08-19-2010 |
| 20100242678 | METHOD OF MANUFACTURING FE AND NI CONTAINING MATERIAL, FERRONICKEL MASS USING THE FE AND NI CONTAINING MATERIAL AND METHOD FOR MANUFACTURING THE FERRONICKEL MASS - There are provided a method of manufacturing an Fe/Ni-containing material having a low content of sulfur (S) from an Fe/Ni/SO | 09-30-2010 |
| 20100275728 | METHOD IN CONNECTION WITH STEEL PRODUCTION - A method of producing a fluxing agent that can be used in production of steel, preferably stainless steel, employs as a raw material a hydroxide sludge that results from neutralization of metal-contaminated pickling liquid from a pickling step for a steel and contains at least one fluoride-containing compound. The hydroxide sludge is calcined. Steel, preferably stainless steel, is produced by decarburizing a steel heat, whereby a slag is formed on top of the steel heat, and adding a fluxing agent to the slag. | 11-04-2010 |
| 20120017725 | Briquetting of mill scale - The invention relates to a method for the agglomeration of iron-oxide-containing residual materials, in particular scale and mill scale, wherein the residual materials and paper sludge are dried and ground and agglomerates are produced, by hot briquetting, from a mixture of the residual materials and paper sludge so processed. In this manner, it is possible to produce mill scale briquettes of high strength and density. These briquettes can then be charged into an electric arc steelmaking furnace for the purpose of recycling the iron contained in the residual materials. | 01-26-2012 |
| 20120144955 | METHOD AND APPARATUS FOR CARRYING OUT A METALLURGICAL PROCESS - A metallurgical process involves providing an ingredient enclosure and placing a plurality of granules of a first material in the ingredient enclosure. The first material contains a first ingredient in a metallurgical process. A metallurgical process furnace having a chamber in which ingredients for the metallurgical process are added is provided and the ingredient enclosure and the first material are added to the chamber. The chamber is heated after the addition of the ingredient enclosure and the first material to the chamber, although it may also be heated prior to such addition. In one form, the granules comprise mill scale and the metallurgical process furnace is a blast furnace. | 06-14-2012 |
| 20120180598 | Process using fly ash to create chunks of raw material for iron or steel mill activities. - A process of preparing for reuse small particles of one or more waste products produced from iron or steel mill activities, comprising the steps of creating a blend of one or more waste products with a blending system, the blend including a predetermined proportion of each of the one or more waste products, combining fly ash and the blend with a liquid in a mixing container to create a mixture, adding a predetermined amount of moisture reduction additive to the mixture, adjusting the amount of the liquid in the mixture to achieve a predetermined moisture and time before set up occurs, mixing the mixture continuously until set up occurs and an agglomeration forms, casting the agglomeration onto a surface, dividing the agglomeration into predetermined size chunks, removing particles of less than the predetermined size from the agglomeration. The chunks produced according to this process. | 07-19-2012 |
| 20130025411 | CONVERSION OF ORGANIC WASTES INTO A REDUCING AGENT - COKE SUBSTITUTE - A process for converting organic wastes into a reducing agent-coke substitute (“RACS”). More specifically, a process for producing a reducing agent-coke substitute from a mixed waste material containing economically recoverable metals and organic based materials is described. In accordance with one aspect, the process comprises blending mixed waste material with a metal-containing smelter by-product, processing the blend of mixed waste material and smelter by-product through a heated mixing device to convert the blend into reducing agent-coke substitute. | 01-31-2013 |
| 20130047787 | CARBON-MATERIAL-CONTAINING IRON OXIDE BRIQUETTE COMPOSITION, METHOD FOR PRODUCING THE SAME, AND METHOD FOR PRODUCING DIRECT REDUCED IRON USING THE SAME - Disclosed is a carbon-material-containing iron oxide briquette composition that, when obtaining direct reduced iron by heating in a moving hearth reduction furnace, does not turn into powder in the furnace leading to an accumulation of powder, and reliably prevents the obtained direct reduced iron from turning into powder during conveyance, decreasing yield. Further disclosed are a method for producing same, and a method for producing direct reduced iron using same. The carbon-material-containing iron oxide briquette composition is characterized by: the solidus temperature that is of an Al2O3-CaO—SiO2 ternary system slag in said briquette composition and that is determined by the amount of contained Al2O3, CaO, and SiO2 being no greater than 1300 DEG C.; and having an amount of combined carbon material such that the carbon remaining in the direct reduced iron produced by heat treating said briquette composition in the aforementioned moving hearth reduction furnace at a temperature above the aforementioned solidus temperature and below the liquidus temperature of the aforementioned ternary system slag being no more than 6 mass %. | 02-28-2013 |
| 20190144960 | CORED WIRE WITH PARTICULATE MATERIAL | 05-16-2019 |
| 075304000 | In wire, container, or article with surface feature | 5 |
| 20090293674 | WIRE FOR REFINING MOLTEN METAL AND ASSOCIATED METHOD OF MANUFACTURE - A molten metal refining wire ( | 12-03-2009 |
| 20100037730 | High Dimensional Cored Wires Containing Oxygen Removers and a Process for Making the Same - A high dimensional cored wire is provided containing de-oxidant material arranged in a core of the wire, the de-oxidant material being in finely divided granular or powdery form coated with a protective coating material, the diameter of the the cored wire varying between 13 and 40 mm. A process for manufacturing the wire is also provided. | 02-18-2010 |
| 20100263485 | POWDER FOR SULPHUR-BASED FLUX-CORED WIRE, FLUX-CORED WIRE AND METHOD FOR PRODUCING A FLUX-CORED WIRE USING IT - Powder which is for a flux-cored wire intended to become alloyed with a molten metal bath and which is formed by particles composed with at least 95% of sulphur, characterised in that its granulometric population is defined by: —1 μm≦d10≦340 μm; —200 μm d50≦2000 μm; —500 μm d90≦2900 μm. Sulphur-based flux-cored wire, characterised in that it contains the preceding powder, and in that the compaction rate of the powder within the wire is greater than or equal to 85%. Method for producing a sulphur-based flux-cored wire for alloying with molten metal baths. | 10-21-2010 |
| 20110017018 | NOVEL ADDITIVE FOR TREATING RESULPHURIZED STEEL - A cored wire for introducing additive into a bath of liquid steel, of the type comprising a metal sheath surrounding said additive, characterized in that said additive predominantly comprises calcium silicate. | 01-27-2011 |
| 20140130638 | WIRE FOR REFINING MOLTEN METAL AND ASSOCIATED METHOD OF MANUFACTURE - A molten metal refining wire is disclosed which comprises a metal sheath encapsulating a core of refining material, wherein the core is sealed within the sheath in a fluid-tight manner and wherein the thickness of the sheath is greater than about 0.6 mm. The core refining material apparent density ratio is at least about 95% of the theoretical solid core equivalent. The core refining material comprises calcium metal and silicon metal. A method of manufacturing a molten refining wire is also disclosed. | 05-15-2014 |
| 075305000 | For casting or teeming operation | 3 |
| 20090211400 | Grain Refiners for Steel-Manufacturing Methods and Use - The present invention concerns a new type of grain refiners for steel, in the form of a particulate composite material, containing a high volume fraction of tailor-made dispersed particles, with the purpose of acting as potent heterogeneous nucleation sites for iron crystals during solidification and subsequent thermo-mechanical treatment of the steel. The material comprises a composition of particles of X | 08-27-2009 |
| 20130305880 | GRAIN REFINERS FOR STEEL-MANUFACTURING METHODS AND USE - The present invention concerns a new type of grain refiners for steel, in the form of a particulate composite material, containing a high volume fraction of tailor-made dispersed particles, with the purpose of acting as potent heterogeneous nucleation sites for iron crystals during solidification and subsequent thermo-mechanical treatment of the steel. The material comprises a position of particles of X | 11-21-2013 |
| 20150101453 | Fluoride-free Continuous Casting Mold Flux For Low-carbon Steel - The invention provides a fluoride-free continuous casting mold flux for low-carbon steel, comprising, based on weight, Na | 04-16-2015 |
| 075306000 | For electrothermic operation (e.g., electroslag remelting, etc.) | 4 |
| 20100229683 | ARC START MATERIAL FOR ELECTROSLAG REMELTING OF SUPERALLOY AND ARC STARTING METHOD EMPLOYING THE ARC START MATERIAL - This arc start material for electroslag remelting comprises an aggregate of curled turning chips of superalloy. This arc starting method for electroslag remelting comprises starting electroslag remelting by generating an arc between a primary ingot electrode including a primary ingot and an arc start material for electroslag remelting, wherein the primary ingot electrode is energized while contacting with the arc start material for electroslag remelting including an aggregate of curled turning chips of superalloy, and then an arc is generated between the primary ingot electrode and the arc start material for electroslag remelting of superalloy by separating the primary ingot electrode from the arc start material for electroslag remelting of superalloy. | 09-16-2010 |
| 20100269633 | SLAG FOR ELECTROSLAG REMELTING FOR COPPER ALLOY AND METHOD FOR PRODUCING COPPER ALLOY MATERIAL - An object of the invention is to make it possible to produce a copper alloy in which the S content is reduced with no contamination with Al, which has a good casting surface and good internal properties and in which eutectic compounds are refined. The invention relates to a slag for electroslag remelting for copper alloy, including CaF | 10-28-2010 |
| 20130192421 | MILL SCALE BRIQUETTING - The invention relates to a method of agglomerating iron oxide-containing residual substances, in particular scale and mill scale, wherein the residual materials and the paper sludge are dried and comminuted and agglomerates are produced by means of hot briquetting from the mixture comprising the residual substances and the paper sludge. In this way, mill scale briquettes of high strength and density can be produced which in steelmaking processes can then be charged into an electric arc furnace for the purpose of recycling the iron contained in the residual substances. | 08-01-2013 |
| 20150344989 | COMPOSITE BRIQUETTE FOR STEELMAKING OR IRONMAKING FURNACE CHARGE - A briquette for addition to the charge in a steelmaking or ironmaking furnace comprises a quantity of carbon fines, a material in powdered form, the material selected from the group consisting of iron powder and iron oxide, the material densifying the briquette and suppressing the slippery nature of the carbon fines, a quantity of magnesium carbonate, and a binder. | 12-03-2015 |
| 075307000 | Containing Boron(B) compound | 1 |
| 20150027274 | Desulfurization Agent Containing Bitumen, Method for the Production Thereof, and Use Thereof - An agent for desulfurizing and/or for pre-desulfurizing, in particular for desulfurizing and/or pre-desulfurizing molten pig iron or molten steel, contains calcium oxide and bitumen. | 01-29-2015 |
| 075308000 | Containing Halide | 4 |
| 20120167716 | Manufacturing and Applications of Metal Powders and Alloys - The present invention is directed to a method of manufacture of metal or alloy powders that uses liquid phase reduction of a metal halide, or a mixture of metal halides, to produce a metal particle coated in salts produced as a reaction byproduct. The reaction conditions can be chosen to select a range of metal particle sizes, and the salt coating prevents oxidation (or reaction with other atmospheric gases) and permits a range of applications hitherto difficult to achieve using metal powders. | 07-05-2012 |
| 075309000 | Containing Fluoride | 2 |
| 20110185850 | MODIFYING FLUX FOR MOLTEN ALUMINIUM - A composition for releasing sodium or strontium or both into molten aluminium or aluminium-based alloy. The composition is formed by fusing a mixture comprising at least two salts, at least one of the salts having sodium as a cation and/or at least one of the salts having strontium as a cation, at least one of the salts having carbonate as an anion and at least one of the salts having a halide as an anion. The composition may be employed as a modifying flux for altering the microstructure of aluminium and aluminium alloy. | 08-04-2011 |
| 20140311292 | SYNTHETIC SLAG BRIQUETTES FOR USE IN STEELMAKING - The invention relates to a synthetic slag forming briquette encased in an aluminum shell. The briquette may include a deoxidizing agent, calcium oxide, calcium fluoride, calcium aluminate, magnesia, or dolomitic lime, or combinations thereof. The deoxidizing agent may include calcium carbide, powdered aluminum or magnesium, or combinations thereof. The aluminum shell may be formed from molten aluminum, or aluminum sheet or foil. | 10-23-2014 |
| 075311000 | And consolidated | 1 |
| 20140190310 | Binder Composition For The Agglomeration Of Fine Minerals And Pelletizing Process - The instant invention relates to a binder composition for pelletization of fine mineral particles comprising
| 07-10-2014 |
| 075312000 | Containing Carbide | 4 |
| 20100031772 | MOLDED BODY CONTAINING TITANIUM - A molded body containing titanium, a method for the production thereof, and the use thereof. | 02-11-2010 |
| 20130019715 | COMPOSITION FOR REDUCING THE OXYGEN POTENTIAL OF SLAG - A slag composition containing steelmaking slag and from about 0.3 to about 10 weight percent of reducing agent. The steelmaking slag contains from about 20 to about 55 weight percent of calcium oxide, from about 8 to about 50 weight percent of ferrous oxide, from about 4 to about 20 weight percent of magnesium oxide, from about 8 to about 30 weight percent of silicon oxide, from 0.5 to about 10 weight per cent aluminum oxide, and from about 0.5 to about 10 weight percent of manganese oxide. The reducing agent contains from about 15 to about 70 weight percent of calcium carbide and from about 10 to about 50 weight percent silicon carbide, wherein the ratio of calcium carbide to silicon carbide is between 0.7 and 7. | 01-24-2013 |
| 20150013496 | METALLURGICAL COMPOSITION FOR THE MANUFACTURE OF FERROCHROME - The invention relates to a pelletising feed containing chromite ore, at least one nickel salt, and silicon carbide as the only carbonaceous material and the only reducing agent. The invention also relates to process for manufacturing the pelletising feed comprising the steps providing chromite, at least one nickel salt and silicon carbide, and mixing chromite, at least one nickel salt and silicon carbide. The invention also relates to use of the pelletising feed as a starting material for the manufacture of sintering feed. The invention also relates to a sintering feed in the form of pellets containing the pelletising feed. The invention also relates to sintered pellets containing the sintering feed. The invention also relates to process for manufacturing the sintered pellets. The invention also relates to use of the sintered pellets as a component of smelting feed. The invention also relates to smelting feed comprising sintered pellets. The invention also relates to process for manufacturing ferrochrome alloy. The invention also relates to ferrochrome alloy obtainable by the method. | 01-15-2015 |
| 20150033911 | AGENT FOR TREATING MOLTEN METALS, METHOD FOR THE PRODUCTION AND USE THEREOF - The invention relates an agent for treating molten metals, in particular for desulphurizing pig iron melts, containing at least calcium oxide, optionally at least one other element in the elementary and/or bound state, selected from the group including alkali metals, alkaline earth metals or earth metals and bitumes in an amount between 1-30 wt.-% or a mineral oil and/or paraffin oil, in an amount between 1-25 wt. %. Said agent is suitable, in particular, for treating pig iron melts, according to a mono-, co- or multi-injection method, but also for stirring, for example, according to the KR stirring method. | 02-05-2015 |
| 075313000 | Composition for or from consolidating by agglomerating, calcinating, compacting, indurating, roasting, sintering, or solidifying from molten mass | 19 |
| 20100147109 | METHOD AND DEVICE FOR PRODUCING BINDERLESS BRIQUETTES AND BRIQUETTES COMPRISING METAL CHIPS AND METAL DUSTS - The invention relates to a process for producing binderless briquettes from metal chips and metal dusts in which the metal chips are pressed into a cup-shaped form and the upwardly open cavity produced as a result is filled with metal dust, after which the opening is closed with a cover consisting of pressed metal chips. | 06-17-2010 |
| 20120180599 | Method for producing an agglomerate made of fine material containing metal oxide for use as a blast furnace feed material - The invention relates to a method for producing an agglomerate, which is used as a blast furnace feed material, by mixing a fine material containing metal and/or metal oxide, a mineral binder, which comprises a mineral raw material and a lime-based material, and optionally other additives to form a mass and solidifying the mass to form an agglomerate, wherein a raw material comprising a silicon oxide fraction of at least 40 wt %, a fine grain fraction of less than 4 μm of at least 20 wt %, and a grain size fraction of less than 1 μm of at least 10 wt % is used as the mineral raw material. The invention further relates to a blast furnace feed material that can be produced by means of the method according to the invention, and to a pre-mixture for producing the blast furnace feed material. | 07-19-2012 |
| 20150082944 | Granules Containing Agglomerated Bulk Material - The invention relates to granules composed of agglomerated reactive bulk material and a binder matrix, the binder matrix comprising as binder an organic or inorganic salt. | 03-26-2015 |
| 075314000 | Containing free metal | 10 |
| 20160083809 | Method for Producing an Agglomerate Made of Fine Material Containing Metal Oxide for Use as a Blast Furnace Feed Material - The invention relates to a method for producing an agglomerate, which is used as a blast furnace feed material, by mixing a fine material containing metal and/or metal oxide, a mineral binder, which comprises a mineral raw material and a lime-based material, and optionally other additives to form a mass and solidifying the mass to form an agglomerate, wherein a raw material comprising a silicon oxide fraction of at least 40 wt %, a fine grain fraction of less than 4 μm of at least 20 wt %, and a grain size fraction of less than 1 μm of at least 10 wt % is used as the mineral raw material. The invention further relates to a blast furnace feed material that can be produced by means of the method according to the invention, and to a pre-mixture for producing the blast furnace feed material. | 03-24-2016 |
| 075316000 | Iron(Fe), Iron scrap, or Iron alloy as free metal | 9 |
| 20090217784 | ORE REDUCTION PROCESS AND TITANIUM OXIDE AND IRON METALLIZATION PRODUCT - The disclosure is directed to a process for producing separable iron and titanium oxides from an ore containing titanium oxide and ferric oxide, comprising: (a) forming agglomerates comprising carbon-based materials and the ore, the quantity of carbon of the agglomerates being sufficient for, at an elevated temperature, reducing ferric oxide to ferrous oxide and forming a ferrous oxide-rich molten slag, (b) introducing the agglomerates onto a carbon bed of a moving hearth furnace; (c) heating the agglomerates in the moving hearth furnace to a temperature sufficient for reducing and melting the agglomerates to produce a ferrous oxide-rich molten slag; (d) metallizing the ferrous oxide of the molten slag by reaction of the ferrous oxide and the carbon of the carbon bed at a furnace temperature sufficient for maintaining the slag in a molten state; and (e) solidifying the slag after metallization of the ferrous oxide to form a matrix of titanium oxide-rich slag having a plurality of metallic iron granules distributed there through; and (f) separating the metallic iron granules from the slag, the slag comprising greater than 85% titanium dioxide based on the entire weight of the matrix after separation of the metallic iron. The disclosure is also directed to a metallization product of a ferrous oxide-rich molten slag. | 09-03-2009 |
| 20130291682 | RECLAIMING AND INHIBITING ACTIVATION OF DRI FINES - A method of reclaiming and inhibiting activation of DRI including forming a moving stream or pile containing DRI pellets and DRI fines and applying to said DRI material a coating material optionally having a melting point between 70 and 200° F. and comprising at least one antioxidant and at least one a carboxylic material with at least one selected from the group consisting of coatable fatty acid and an esterified derivative thereof, forming a coating on the DRI pellets and DRI fines to cause the fines to adhere together and to the pellets to form a plurality of DRI agglomerates. The coating material may be selected from the group consisting of palm oil, coconut oil, combinations thereof, and ester derivatives thereof. The antioxidant in the coating material is selected from the group consisting of at least one of butylated hydroxytoluene, carotenoid, phytosterol, squalene, vitamin E, tocopherols, tocotrienols, and mixtures thereof. | 11-07-2013 |
| 20140182417 | RECLAIMING AND INHIBITING ACTIVATION OF DRI DUST AND FINES - Method of reclaiming and inhibiting activation of DRI fines is disclosed comprising the steps of forming a moving stream or pile containing DRI pellets and DRI fines, coating the moving stream or the pile of DRI pellets and DRI fines with a coating material comprising an alkane mixture in the C15 to C40 range to form a coating on the DRI pellets and DRI fines and cause DRI fines to adhere together and to the DRI pellets to form a plurality of agglomerates, and moving the agglomerates of coated DRI pellets and coated DRI fines to a facility for use in making steel. The coating material may be applied to coat the DRI pellets and DRI fines at a rate between 0.2 and 2.0 gallons per ton of DRI processed. The coating material may be mineral oil. | 07-03-2014 |
| 20140260799 | IRON AND MOLYBDENUM CONTAINING AGGLOMERATES - Iron and molybdenum containing agglomerates and a process for producing the agglomerates is are disclosed. A green agglomerate is produced from mixing an iron containing powder, a molybdenum oxide powder, and a carbonaceous powder. The green agglomerates can be reduced at a temperature in the range of 400-1500° C. | 09-18-2014 |
| 20140326108 | IRON AND MOLYBDENUM CONTAINING PELLETS - Iron and molybdenum containing pellets and a process for producing the pellets are disclosed. A green pellet is produced from mixing an iron containing powder, a molybdenum oxide powder, and a carbonaceous powder. The green pellets can be reduced at a temperature in the range of 400-1500° C. The pellets can be briquetted. | 11-06-2014 |
| 20150344799 | COMPOSITE BRIQUETTE FOR STEELMAKING OR IRONMAKING FURNACE CHARGE - A briquette for addition to the charge in a steelmaking or ironmaking furnace includes at least 15% by weight of magnesium carbonate, and a binder. | 12-03-2015 |
| 20160376681 | PROCESS TO THERMALLY UPGRADE METAL-CONTAINING LIMONITE OR SAPROLITE ORES VIA MAGNETIC SEPARATION AND THE USE OF THE MAGNETIC CONCENTRATE AS SEEDS - This invention provides a process to thermally upgrade metal-containing ores comprising the following steps: (1) mixing: (i) ore, (ii) from 4 and up to 15% by weight relative to the ore of reducing agent, (iii) sulphur bearing agent, (iv) metallic-bearing seeding agent, and optionally (v) low temperature binder agent to produce a blend; (2) agglomeration and dry, if required, of the blend formed in step 1 to produce agglomerates; (3) calcination the agglomerates formed in step 2 at reducing atmosphere from a partial pressure of oxygen of Log | 12-29-2016 |
| 075317000 | And coal, coke, pitch, asphalt, or tar | 2 |
| 20130192422 | BRIQUETTE FOR PRODUCING A FOAMED SLAG EFFECT IN EAF TECHNOLOGY IN STAINLESS STEEL PRODUCTION - It is known that a foamed slag can be produced on stainless steel melts in an electric arc furnace by introducing a mixture of metal oxides, limestone, carbon and a binder in the form of briquettes into the furnace so that the briquettes become arranged there in such a way that the metal oxides are reduced by the carbon and the limestone is thermally dissociated at the metal-slag interface beneath the slag and the resulting gases bring about foaming of the slag by bubble formation. This foaming on steels having a high chromium content, due to the significant uptake of chromium oxide by the slag, leads to problems which result from the physicochemical properties of slags having a high chromium oxide content. To provide, according to the invention, briquettes suitable for producing foamed slag having a high chromium oxide content, which is carried out, in particular by the process of WO 2010/003401 A1, all briquette properties to be taken into account and all materials suitable for briquette production are tabulated in the form of a matrix. | 08-01-2013 |
| 20140352496 | BRIQUETTE FOR PRODUCING A FOAMED SLAG EFFECT IN EAF TECHNOLOGY IN STAINLESS STEEL PRODUCTION - Briquette for producing a foamed slag on stainless steel melts in an electric arc furnace, made up of mixtures of individual or multiple substances of following basic components:
| 12-04-2014 |
| 075319000 | Containing Iron(Fe) compound | 5 |
| 20100300246 | Method of producing non-pyrophoric metallic iron - A method for producing a substantially metallic iron-containing product from iron oxide. The metallic iron produced according to the invention is non-pyrophoric and may be safely shipped and handled without additional process steps. The method of the invention is simple, economical, and produces high quality metallic product which may be used as a feed for Electric Arc Furnace (EAF), Blast Furnaces and Cupolas among other applications. | 12-02-2010 |
| 20130032005 | BENTONITE-BOUND COMPACTS OF UNDERSIZED OXIDIC IRON CARRIERS - A method for producing compacts containing iron oxide from undersized oxidic iron carriers may include producing a mixture which comprises undersized oxidic iron carriers, bentonite as a binder and water, pressing the mixture and hardening the green compacts obtained by the pressing, as well as to the compacts produced by the method and to the use of the compacts as lump iron carriers. The mixture may be subjected to a kneading process lasting at least 3 minutes and up to 30 minutes, prior to the pressing. The compacts may thus be produced without a maturing process. | 02-07-2013 |
| 20140165784 | RECYCLING OF TUNGSTEN CARBIDES - The invention relates to a process for producing an iron- and/or tungsten containing powder or powder agglomerate including the steps of: a) mixing at least a first powder fraction comprising a tungsten carbide containing powder, and at least a second powder fraction comprising an iron oxide powder and/or a tungsten oxide containing powder and optionally an iron powder, the weight of the first fraction being in the range of 50-90% by weight of the mix and the weight of the second fraction being in the range of 10-50% by weight of the mix, b) heating the mix of step a) to a temperature in the range of 400-1300° C., preferably 1000-1200° C. The invention also relates to an iron- and/or tungsten containing powder or powder agglomerate. | 06-19-2014 |
| 075320000 | And coal, coke, pitch, asphalt, or tar | 1 |
| 20150047466 | METHOD OF ADJUSTING PRECURSOR POWDER FOR SINTERED ORE, AND PRECURSOR POWDER FOR SINTERED ORE - A precursor powder for sintered ore, which offers excellent sintered ore production efficiency, can be adjusted independently of the quality of iron ore, by setting a mixing ratio [(C/F)×100] of a mass (C) of particles having a particle size of 3 mm or more in coke breeze to a mass (F) of particles having a particle size of 3 mm or more in an iron ore raw material in the range of 2% to 3%. | 02-19-2015 |
| 075323000 | And Alkaline earth metal compound or Aluminum(Al) compound | 1 |
| 20160160302 | FLUXING AGENT, PROCESS OF ITS PRODUCTION, AGGLOMERATION MIXTURE AND USE OF SLUG FROM SECONDARY METALLURGY - The invention relates to fluxing agents for the agglomeration process based on slag from the secondary metallurgy, the use of these fluxing agents in the process of agglomeration in the manufacture of the agglomerate designed for the use as a metallic charge in blast furnaces and a process of production of fluxing agents based on slag from the secondary metallurgy or based on a mixture of slag from the secondary metallurgy with other materials. | 06-09-2016 |
| 075325000 | Containing coal, coke, pitch, asphalt, or tar | 1 |
| 20150368745 | BINDER FOR METALLURGICAL COKE AND A PROCESS FOR MAKING SAME - A binder for making metallurgical coke and a process for making the binder. The binder is thermally hydrocracked pitch which has been de-ashed. The binder may be mixed with low rank bituminous coal, heated to make coke which is acceptable as a metallurgical coke. The thermally hydrocracked pitch may be de-ashed by mixing with a solvent, and separating the insoluble portions from the soluble portions using a centrifuge. The soluble portions may be separated from the solvent, for example, in a fractionating section, and used as the binder with poor coking coal to make metallurgical coke. | 12-24-2015 |
| 075328000 | Containing free metal | 5 |
| 20080236334 | MELTING METALLURGICAL PROCESS FOR PRODUCING METAL MELTS AND TRANSITION METAL-CONTAINING ADDITIVE FOR USE IN THIS METHOD - The invention relates to a process for producing a metal melt containing at least one base metal and at least one further alloy constituent, wherein the production takes place in a melting vessel with slag covering the melt. In accordance with the invention, for increasing the content of the alloy constituent of the melt, an additive is fed to the melt which contains said alloy constituent at a content of ≧5-10 percent by weight of the alloy constituent, ≧5-10 percent by weight of melting metallurgically harmless volatile matter, ≦5 percent by weight of sulfur and possibly fractions of further alloy constituents and/or slag formers. The additive is obtainable by ore leaching and by precipitation in the form of hydroxides and/or carbonates. The invention also relates to such an additive. | 10-02-2008 |
| 20090071291 | Fire Assay Flux Composition for the Analysis of Pgm and gold Containing Mineral Samples - This invention relates to a novel fire assay flux composition including, inter alia, a dispersant in the form of a source of phosphate; a primary reductant in the form of iron powder comprising particles having a particle size of 60 mesh and finer, at least one basic flux and at least one acidic flux. The fire assay flux composition is useful for the fire assay analysis of Platinum Group Metals and gold in low and medium grade samples such as ores and floatation concentrate including furnace mattes and slags. The invention further extends to the use of such components in the preparation of a fire assay flux composition for fire assay analysis of PGM and gold in low and medium grade samples such as ores and floatation concentrate including furnace mattes and slags. | 03-19-2009 |
| 20110067526 | DESULFURIZING AGENT AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a desulfurizing agent of improved oxidation resistance, ignition resistance and productivity, and a method for manufacturing the desulfurizing agent. The desulfurizing agent may include a plurality of magnesium-aluminum alloy grains with grain boundaries, and a compound of one selected from consisting of magnesium and aluminum and one selected from consisting of alkaline metal and alkaline earth metal, the compound existing in the grain boundaries which are not inside but outside of the magnesium-aluminum alloy grains. | 03-24-2011 |
| 20120291591 | AGENT FOR STEEL-MAKING FORMED BY ALUMINUM-MAKING SLAG - The present invention discloses an agent for steel-making formed by aluminum-making slag, which is used by adding to molten steel, wherein said agent comprises: metal aluminum, aluminum oxide, silicon dioxide, magnesium oxide, and calcium oxide. Said agent for steel-making is a deoxidizing agent, modifying agent, and slag regulating agent for steel-making. Said deoxidizing agent or modifying agent for steel-making may comprise by mass percentage 25-70% Al, 3-30% Al | 11-22-2012 |
| 20160047008 | INOCULANT WITH SURFACE PARTICLES - The present invention relates to a particulate inoculant for treating liquid cast-iron, comprising, on the one hand, support particles made of a fusible material in the liquid cast-iron, and on the other hand, surface particles made of a material that promotes the germination and the growth of graphite, disposed and distributed in a discontinuous manner at the surface of the support particles, the surface particles presenting a grain size distribution such that their diameter d50 is smaller than or equal to one-tenth of the diameter d50 of the support particles. | 02-18-2016 |
| 075329000 | Containing Alkaline earth metal compound or Aluminum(Al) compound | 5 |
| 20080302210 | STEEL DESULPHURATING AGENT AND USE THEREOF IN THE DESULPHURATION OF STEEL - The invention relates to a steel desulphurating agent characterised in that it comprises compared with the total weight of the agent:
| 12-11-2008 |
| 20110167960 | Flux for refining steel of low nitrogen, low oxygen and low sulfur - Disclosed is a steelmaking flux which makes it possible to produce steel of extremely low contents of oxygen, nitrogen and sulfur. The flux consists of, by weight, CaO: 30-57%, Al | 07-14-2011 |
| 20120297926 | AGGLOMERATED ALUMINA CONTAINING PRODUCT - The invention relates to a method for producing an agglomerated product containing alumina which is useful as a component to be incorporated into a synthetic slag as used in steel making. The product is formed from powdered aluminium dross which is formed with water into pellets or briquettes and wherein the components of the pellets or briquettes are allowed to react at elevated pressure to release ammonia. The pellets or briquettes may then be calcined. | 11-29-2012 |
| 20130333518 | ENVIRONMENTALLY FRIENDLY FLUX FOR MOLTEN STEEL DESULFURIZATION - An environmentally friendly flux for molten steel desulfurization includes CaO and Al | 12-19-2013 |
| 20160376672 | MIXTURE, USE OF THIS MIXTURE AND PROCESS FOR CONDITIONING A SLAG LOCATED ON A METAL MELT IN A METALLURGICAL VESSEL IN IRON AND STEEL METALLURGY - The invention relates to a mixture comprising magnesium, carbon and aluminium to be introduced into the slag located on a metal melt in iron and steel metallurgy, to the use of such a mixture and also to a process for conditioning a slag located on a metal melt in a metallurgical vessel, for example, in a converter, in an electric arc furnace or in a ladle, in iron and steel metallurgy. | 12-29-2016 |
