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WO/2024/047061A1 |
A method for operating a smelting furnace installation, in particular a blast furnace installation, the method comprising - feeding coke, iron oxide containing material and if required fluxing agents to the top of the smelting furnace, -...
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WO/2024/048423A1 |
Provided is a circulating reduction system with which it is possible to efficiently circulate and utilize, as a reduction gas, a CO-rich gas obtained by reforming an exhaust gas that contains CO2 generated in a reduction furnace. In this...
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WO/2024/050060A1 |
The present invention is directed to photonic furnaces and methods of using the same to produce metal products from a precursor material such as oxides of metal, comprising one or more light sources producing a light beam, the light beam...
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WO/2024/047062A1 |
A method for operating a smelting furnace installation, in particular a blast furnace installation, the method comprising - feeding coke, iron oxide containing material and if required fluxing agents to the top of the smelting furnace, -...
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WO/2024/043062A1 |
This material discharge control device 10 controls the discharge amount of a material 203 which is discharged from a material hopper 20. The material discharge control device 10 comprises a material property measuring device 12 for measu...
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WO/2024/043827A1 |
A method for producing direct reduced iron (DRI), comprising the steps of: controlling a flow rate of a non-heated hydrogen gas into a cooling section (5) such that Tdriout
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WO/2024/039280A1 |
The present invention concerns a metal material production configuration (1) and a method of direct reduction of a metal oxide material (5) holding a first thermal energy into a direct reduced metal material (16) by means of a metal mate...
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WO/2024/037337A1 |
A hydrogen-rich blast furnace ironmaking system based on mass-energy conversion, comprising a water electrolysis system (2). The water electrolysis system (2) is separately connected to a hydrogen storage tank (3) and an oxygen storage t...
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WO/2024/036713A1 |
A method and apparatus for calculating the height of the root of a cohesive zone of a blast furnace, and a storage medium, which relate to the field of blast-furnace smelting. The method comprises: determining the distribution position o...
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WO/2024/039282A1 |
The present invention relates to a metal material production configuration (1) and to a method of direct reduction of a metal oxide material (5) holding a first thermal energy into a reduced metal material (16). The method comprises the ...
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WO/2024/039279A1 |
The present invention regards a method of production of a metal oxide material (5) by means of a metal oxide material production apparatus (3) and the apparatus per se. the apparatus comprises a pre-heating zone (8) configured to pre-hea...
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WO/2024/033477A1 |
The present invention relates to waste treatment and provides a process for depletion of zinc from Zn-coated Fe by subjecting the Zn-coated Fe to a leaching step in an acidic solution comprising Fe3+ to provide an acidic solution contain...
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WO/2024/029806A1 |
The present invention relates to a molten iron production facility and a molten iron production method and, more specifically, to a molten iron production facility and a molten iron production method for producing molten iron by preparin...
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WO/2024/028923A1 |
Provided is a sintered ore that has improved reduction characteristics and reduced disintegration-during-powdering characteristics. Proposed is a method for producing the sintered ore. Further provided are a sintered ore for hydrogen red...
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WO/2024/028919A1 |
The present invention proposes a production method for reduced iron that makes it possible to prevent clustering when a shaft furnace or a kiln furnace is used to reduce a reduction starting material by means of a reducing gas to obtain ...
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WO/2024/029807A1 |
The present invention relates to molten iron manufacturing equipment and a molten iron manufacturing method, and, more specifically, to molten iron manufacturing equipment and a molten iron manufacturing method, which manufacture reduced...
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WO/2024/023565A1 |
The invention deals with a method for manufacturing pig iron in an electrical smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said D...
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WO/2024/023564A1 |
The invention deals with a method for manufacturing pig iron in an electrical smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said D...
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WO/2024/023570A1 |
The invention deals with a method for manufacturing pig iron in a smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said DRI product t...
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WO/2024/023566A1 |
The invention deals with a method for manufacturing pig iron in a smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said DRI product t...
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WO/2024/023660A1 |
The invention deals with a method of manufacturing molten pig iron into an electrical smelting unit 13. The method comprises the following successive steps: - providing a directly reduced iron product 12, - feeding the DRI product 12 int...
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WO/2024/023563A1 |
The invention deals with a method for manufacturing pig iron in an electrical smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said D...
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WO/2024/023571A1 |
The invention deals with a method for manufacturing pig iron in a smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said DRI product t...
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WO/2024/023560A1 |
The invention deals with a method for manufacturing pig iron in an electrical smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said D...
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WO/2024/023568A1 |
The invention deals with a method of manufacturing molten pig iron into an electrical smelting unit. The method comprises the following successive steps: - providing a directly reduced iron product 12, - feeding the DRI product 12 into t...
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WO/2024/023559A1 |
The invention deals with a method for manufacturing molten pig iron into an electrical smelting furnace 13, said method comprising the following successive steps: - providing a directly reduced iron product 12, - providing a carbon conta...
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WO/2024/023567A1 |
The invention deals with a method of manufacturing molten pig iron into an electrical smelting unit 13. The method comprises the following successive steps: - providing a directly reduced iron product 12, - feeding the DRI product 12 int...
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WO/2024/023569A1 |
The invention deals with a method of manufacturing molten pig iron into an electrical smelting unit 13. The method comprises the following successive steps: - providing a directly reduced iron product 12, - feeding the DRI product 12 int...
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WO/2024/023561A1 |
The invention deals with a method for manufacturing molten pig iron into an electrical smelting furnace 13, said method comprising the following successive steps: - providing a directly reduced iron product 12, - providing a carbon and i...
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WO/2024/023562A1 |
The invention deals with a method for manufacturing pig iron in an electrical smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said D...
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WO/2024/023558A1 |
The invention deals with a method for manufacturing pig iron in a smelting furnace 13 comprising a vessel 20, said method comprising the following successive steps: − loading DRI product in said vessel 20 − melting said DRI product t...
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WO/2024/022989A1 |
The invention relates to a method for producing an iron melt (1) in an electric fuser (10).
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WO/2024/018074A1 |
A manufacturing method of accessories by basic refractory in steel tundish includes steps of preparation, mixing, mold filling and forming. The mixing step is to mix dead burned magnesian sand, olivine sand, and bonding agent that are pr...
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WO/2024/020575A1 |
Described are steel production systems and methods, and a furnace and methods of using such furnace to produce steel. In some embodiments, the furnace may include a shell having a top portion and a bottom portion. There may be a roof con...
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WO/2024/013268A1 |
The invention provides a tuyere that comprises a conical hollow tuyere body with an inner surface and an outer surface, the tuyere extending along a first axis from an inlet end to an opposite outlet end, the tuyere body having a tuyere ...
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WO/2024/014126A1 |
A control method for a blast furnace according to the present invention comprises: a step for estimating the temperature distribution of a residual solidified layer at the time of restarting the blast furnace using a temperature distribu...
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WO/2024/013653A1 |
A method for the direct reduction of iron oxide-based material for the production of steel, iron sponge or cast iron is described, comprising the steps of: a) producing, by forming at a temperature not exceeding 45°C, briquettes made of...
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WO/2024/010502A1 |
The present disclosure relates to an arrangement and process for charging iron ore (207) to a direct reduction shaft (211), as well as an arrangement and process for discharging sponge iron (208) from a direct reduction shaft. The proces...
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WO/2024/010474A1 |
A method for the recovery of metals from metallurgical waste, especially zinc and iron from dusts is characterized in that the zinc-bearing dusts are granulated with the addition of a reducing agent (coal dust, carboniser, fly ash) in an...
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WO/2023/247832A1 |
Provided herein is a method of treating and upgrading industrial furnace by-products, such as steelmaking slag and incinerator bottom ash (IBA) into valuable products, the method comprising the steps (a) providing the industrial furnace ...
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WO/2023/247627A1 |
The present invention relates to a method for reducing metal oxide (M1) by means of a reducing gas or gas mixture, said method having the following method steps: - feeding (V1) at least one starting material into a reactor (40); - genera...
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WO/2023/245903A1 |
A blast furnace tuyere temperature alarm system based on infrared thermal imagers, comprising infrared thermal imagers (3), an image processing server (4), a display (5), and a voice alarm module (6). Multiple infrared thermal imagers (3...
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WO/2023/249031A1 |
In the present invention, an input unit 101 inputs elastic waves 21 to a furnace wall 11 that includes a refractory brick 16 which is a refractory material. A reception unit 102 receives reflected waves 22 of the elastic waves 21. A cont...
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WO/2023/243337A1 |
The present invention provides: a technology for producing a metal by means of the reduction of a metal compound, while suppressing a carbon dioxide gas to be discharged into the environment as much as possible, the technology being capa...
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WO/2023/240753A1 |
A low-carbon smelting system and method based on a blast furnace-steelmaking furnace process coupled carbon cycle. The smelting system comprises a blast furnace (100), a steelmaking furnace (200), a CO concentration monitoring device (30...
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WO/2023/244479A1 |
An improved direct smelting vessel comprising a smelt reduction vessel (SRV) and optionally a cyclone converter furnace (CCF). The SRV provides means for promoting metal mixing at a zone below a slag layer adjacent to a vessel wall of th...
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WO/2023/237601A1 |
The present invention relates to a process for the production of syngas by thermal catalytic decomposition of methanol produced from a mixture comprising at least a carbon oxide (CO and/or CO2) and hydrogen.
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WO/2023/231126A1 |
A Laval nozzle-based supersonic hydrogen injection system, and a control method therefor. The Laval nozzle (10) introduces hydrogen at supersonic speed into a blast furnace via a spray gun, such that spray gun burn loss resulting from ex...
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WO/2023/234498A1 |
The present invention relates to an injection system of an electric furnace and an electric furnace including same, and may comprise: a powder carbon spray nozzle for spraying a transfer fluid containing powder carbon to an electric furn...
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WO/2023/231183A1 |
An environment-friendly hot-splashed slag treatment system, comprising a hot-splashed slag box (11), a tipping type top cover (12) rotatably mounted at the top of the hot-splashed slag box (11), and a top cover driving mechanism for driv...
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