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WO/2024/081990A1 |
In the method, a device for forming a plasma is positioned on a furnace. Said device is connected to an electrical power supply and to a plasma gas supply. The device is designed, dimensioned, positioned and/or orientated in such a way t...
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WO/2024/085002A1 |
An Fe-Cr-Ni-based alloy comprising 0.020-0.150% of C, 0.05-0.80% of Si, 0.10-1.50% of Mn, 0.035% or less of P, 0.0050% or less of S, 34.0-48.0% of Ni, 22.0-29.0% of Cr, 0.20-1.20% of Mo, 0.005-0.180% of Al, 0.0001-0.0100% of Mg, 0.0001-0...
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WO/2024/084531A1 |
A direct reduction plant (10) for a direct reduction of iron oxides to produce a DRI product, comprising a reactor (11), configured to being loaded with said iron oxides, a reduction circuit (19) fluidically connected to said reactor (11...
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WO/2024/085385A1 |
A steelmaking method according to an embodiment of the present invention comprises the steps of: introducing a first raw material into a blast furnace to produce pig iron; introducing a second raw material into an electric arc furnace to...
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WO/2024/079439A1 |
A method of treating zinc-containing by-product is provided. The method comprises contacting an aqueous liquid with slag to produce a treatment composition having a pH of from 8 to 11; and contacting the treatment composition with ferrou...
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WO/2024/074575A1 |
To provide an inexpensive and waterproof cooling unit (1) for a metallurgical furnace the cooling unit (1) comprises a cooling body (2) and at least one cooling conduit (3) leading through the cooling body (2). The cooling body (2) compr...
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WO/2024/077265A1 |
A feed trough for an electric arc furnace includes first and second arcuate plates, each arcuate plate having opposing first and second end edges and opposing first and second side edges. The first and second end edges include an arcuate...
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WO/2024/074375A1 |
The invention relates to a method for producing an iron melt (80) from iron-oxide-containing material (30), wherein a reduction gas (90) containing at least hydrogen is fed to a reduction reactor (20), containing the iron-oxide-containin...
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WO/2024/071633A1 |
A method for manufacturing steel according to an embodiment of the present invention comprises the steps of: preparing a first molten metal manufactured using a first raw material including iron ore and a second molten metal manufactured...
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WO/2024/066378A1 |
The present invention relates to an injection method for improving a high-titanium slag property of vanadium-titanomagnetite smelting, comprising: adding ascharite and pulverized coal injection coal into a blast furnace pulverized coal i...
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WO/2024/070150A1 |
A gutter management system according to the present invention comprises: a measurement device that is arranged above a gutter facing the gutter and measures the inner surface shape of the gutter; and a determination device that determine...
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WO/2024/069991A1 |
The method for producing iron ore pellets according to one embodiment of the present invention is a method for producing self-fluxing iron ore pellets for use in blast furnace operations, the method comprising a feed-material mixing step...
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WO/2024/064061A1 |
Described herein are various aspects of systems and methods for extracting and isolating re-usable materials from a metallurgical slags such as iron slag, steel slag, blast furnace slag, BOF slag, and/or EAF slag using aqueous acid and b...
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WO/2024/062742A1 |
Provided is a method for producing a hot metal, whereby it becomes possible to achieve high energy efficiency in a melting step when reduced iron is produced from iron ore in a solid reducing furnace and then the reduced iron is melted i...
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WO/2024/062234A1 |
A system (100) for metal production, the system comprising: a reducing furnace (110) configured to receive metal ore (101) and process gas (102) and to output hot metal (115) and reducing furnace top gas (111); and a first thermochemical...
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WO/2024/060290A1 |
The present invention relates to a blast furnace injection position determination method and terminal device, and a storage medium. The method comprises: adjusting a coke ratio or a coal ratio on the basis of whole-furnace material balan...
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WO/2024/063754A1 |
Disclosed is a system and a method for determining the thickness of a refractory material forming part of a manufacturing vessel, such as a furnace or ladle, using a surface profile scanning while the vessel is maintained at operating te...
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WO/2024/062922A1 |
Provided is a method for producing an iron source, the method comprising: a preparation step in which a roasting composition including iron ore containing at least 0.05 mass% of phosphorus, is prepared, wherein the total amount of Al2O3 ...
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WO/2024/060402A1 |
Provided are a fluidized powder feeding system and method based on waste gas and residue-quenched steel slag, relating to the technical field of workshop conveyor systems and pneumatic pipe conveying. A first waste gas pipeline is used f...
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WO/2024/057694A1 |
Provided is a reduced iron production method that can suppress clustering of iron ore pellets. A reduced iron production method according to the present invention is characterized by comprising: a pellet production step for mixing an iro...
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WO/2024/058695A1 |
The disclosure relates to an arrangement (1) for an induration machine (2) of a pelletizing plant (4), the arrangement (1) comprising: a furnace (6) configured for induration of iron ore pellets (8); an inlet channel (10) connected to th...
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WO/2024/047880A1 |
In a pig iron manufacturing method according to an embodiment of the present invention pig iron is manufactured using a blast furnace having a tuyere, wherein the method comprises: a step for stacking, in the blast furnace, first layers ...
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WO/2024/047259A1 |
The disclosure relates to direct reduced iron (DRI) pellets, wherein the DRI pellets have an average metallization of greater than or equal to 97%. The DRI pellets are either essentially free of carbon, or alternatively they comprise les...
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WO/2024/046963A1 |
An injector for injecting a hot gas, in particular for injecting a heated reduction gas in a furnace or reactor, comprises a tubular body (12) extending along a main axis (L) between a mounting portion (18) configured for fixing the inje...
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WO/2024/048310A1 |
Provided are a method for controlling a process, a method for operating a blast furnace, a method for manufacturing molten metal, and a device for controlling a process that make it possible to highly accurately predict, and control, the...
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WO/2024/048214A1 |
Provided is a process control method, a blast furnace operation method, a molten pig iron production method, and a process control apparatus, which are for achieving suppression of variability in molten pig iron temperature while reducin...
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WO/2024/046656A1 |
The invention relates to a process for the selective heavy metal removal from iron- and/or steelmaking flue dust, the process comprising the steps of: preparing a feedstock (FS) by blending or mixing a chloride precursor material (CPM) a...
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WO/2024/047010A1 |
An iron ore reducing and melting apparatus comprising: - a furnace comprising from bottom to top: a hearth, a tuyere level, a shaft level and a top level, said blast furnace comprising at least one first gas injector on the tuyere level ...
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WO/2024/047553A1 |
The invention relates to a device (20) for the gaseous extraction of reducible constituents (21) from a starting material (22), comprising: a gas-tight reactor body which is at least partly made of fire-proof material (26) and has a mate...
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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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