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WO/2024/078859A1 |
The present invention relates to a method for the shaft reversal in a parallel-flow regenerative shaft furnace (1), the method comprising the following steps: a operating the first shaft (2) as a combustion shaft and operating the second...
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WO/2024/079675A1 |
An activation system (1, 101, 201) and a method of activating a solid Supplementary Cementitious Material (SCM) precursor is provided.. The activation system (1, 101, 201) comprising a first subsystem (2, 102, 202) comprising and inlet (...
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WO/2024/061687A1 |
The present invention relates to a method for producing thermally treated clays in a calciner (10), wherein the pollutants escaping during the heating of the clay are thermally converted in the calciner (10).
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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/2024/061711A1 |
The invention relates to a facility for thermally treating a mineral substance, wherein the facility has a device for a thermal treatment 12, and the facility has a combustion chamber 20. The combustion chamber 20 is connected to the dev...
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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/2024/061688A1 |
The present invention relates to a device for thermal treatment, wherein the device has at least one preheater (10), a calciner (20) and a material cooler (30), wherein a solid stream is guided into the preheater (10), from the preheater...
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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/2024/047010A1 |
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/2024/047295A1 |
The invention relates to a microwave calcination furnace for solid materials divided into fine particles, comprising a heating chamber of elongate form, a longitudinal axis of which is arranged vertically, an intake tube (8) opening into...
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WO/2024/046818A1 |
The present invention relates to a system for producing cement clinker, the system having a raw-material supply (10), a mill (50), a pre-heater (60), a calciner (70), a furnace (80) and a material cooler (90), the material flow from the ...
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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/2024/047062A1 |
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/2024/023285A1 |
The present invention relates to a decarbonation process of carbonated materials (10), in particular limestone and dolomitic limestone in a multi-shaft vertical kiln (MSVK) comprising a first (100), a second (200), and optionally a third...
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WO/2024/017601A1 |
A device for thermal or thermo-chemical treatment of material (12) has a a core process section (50) in which a process housing (18) defines a core process chamber (52) and a process chamber axis (22). The process housing (18) as such ca...
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WO/2024/012181A1 |
The present invention provides a new cement clinker calcination decomposition furnace, comprising a lower volute portion, a lower furnace body, an upper furnace body, and an upper volute portion. The lower volute portion contains a lower...
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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/2024/003439A1 |
The present disclosure concerns an indirectly heated electrical rotary kiln (1) comprising a longitudinal inner shell (2) for conveying process material (3) therethrough, the inner shell (2) being rotatable about its longitudinal axis. T...
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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/2023/250078A1 |
A furnace comprising: a gravity-fed reactor having: an inner tube defining an interior; a heating assembly that circumferentially surrounds at least a portion of the inner tube, wherein the heating assembly has at least one heating eleme...
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WO/2023/241989A1 |
The invention relates to a shaft furnace (1) for smelting charge material to form molten copper, comprising a vertically disposed steel jacket (2) and a refractory lining (3) disposed therein, wherein the steel jacket (2) has at least a ...
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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/2023/222423A1 |
A stave protection system for a metallurgical furnace comprises: a stave (100) comprising upper and lower ribs (114) projecting forwardly from a front face (102) of the stave (100) and spaced apart from each other so as to define a trans...
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WO/2023/208567A1 |
The invention relates to a method and system of controlling the end-of-cast of a tapping operation in a metallurgical furnace, preferably in a blast furnace, the method comprising: initiating a tapping operation by tapping liquids from a...
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WO/2023/205911A1 |
The present invention relates to a smart passage opening system with thermal lances for pyrometallurgical process furnaces or reactors, which autonomously controls and adjusts the variables of the opening process to obtain the maximum ef...
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WO/2023/203160A1 |
The invention relates to a device (1) comprising a furnace (2) for burning carbonatic, flowable raw material, preferably limestone and/or magnesite and/or dolomite and/or marl, a waste gas utilisation unit (4) for the utilisation of CO2-...
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WO/2023/194194A1 |
The present invention relates to a system (10) for heat-treating mineral material, comprising a reactor (12) having at least one gas inlet (29) for admitting exhaust gases, wherein the reactor (12) has an activation region (16) for activ...
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WO/2023/187527A1 |
Embodiment of disclosure relates to a system and method for measuring burden profile distribution in a blast furnace. The system comprises a phased array-based radar unit which is configured to perform plurality of scans in interior of a...
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WO/2023/187501A1 |
Embodiment of disclosure relates to a system for measuring two-dimensional (2D) burden profile distribution in a metallurgical furnace. The system includes a thermal detection module configured to scan a top burden surface in the metallu...
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WO/2023/186993A1 |
A process for operating an oxidizable combustion gas cleaning unit in a metallurgical plant, comprising the steps of: (a) passing an oxidizable combustion gas from a metallurgical reactor, in particular a blast furnace gas from a blast f...
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WO/2023/174525A1 |
The present invention relates to device for heat-treating solid material, in particular in granular form, wherein the device comprises a kiln and an external heat source, wherein said device comprises at least two steps arranged above ea...
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WO/2023/158356A1 |
The disclosure relates to an arrangement for heating a process gas of an iron ore pelletizing plant, the arrangement comprising: - a heating chamber comprising a process gas inlet, a process gas outlet, and a heating chamber port; - a bu...
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WO/2023/148108A1 |
The invention relates to a device for the production of silicon carbide, said device comprising a heatable reactor (1) which comprises, on its upper side, a feed opening (4) for continuous feeding with a precursor (7), an outlet opening ...
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WO/2023/132948A1 |
A metallurgical vessel structure and method is provided for producing low-impurity Magnesia-Carbon reclaimed aggregate suitable for reuse in the production of high purity Magnesia-Carbon refractory. A metallurgical vessel is assembled wi...
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WO/2023/104881A1 |
A process and reactor for the reduction of metal ores to bare metal are disclosed. More specifically, it describes a process for the reduction of iron oxides into DRI metal (e.g. HBI). The process is characterized by a gravitational plug...
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WO/2023/101817A1 |
Systems and methods for generating uniform atmospheres within a gas-fired kiln during a firing process are provided. Specifically, the systems and methods described herein address the detrimental vertical stratification of certain gas co...
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WO/2023/101643A1 |
The invention relates to the development made in the vertical kiln subject to the application numbered 2021/012627, which is designed to be used in calcination and/or drying processes in industrial plants operating in the mining sector.
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WO/2023/097356A1 |
A device for producing carbonated β-spodumene, the device comprising: a carboniser reactor having a powder inlet and a powder outlet, wherein the powder inlet is adapted to receive β-spodumene powder, and wherein the powder outlet allo...
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WO/2023/101585A1 |
A system for direct reduction of iron ore to sponge iron, comprising a direct reduction shaft (1) comprising an outer wall (2) configured to withstand a pressure generated in the reduction shaft (1) during operation thereof, and a heat r...
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WO/2023/084027A1 |
The invention relates to a conveyor device (100) for conveying bulk material (10) for a system (20) for producing cement clinker, wherein the system (20) for producing cement clinker operates in the recirculation process and/or in the ox...
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WO/2023/079015A1 |
The invention relates to a method for heating and further processing at least one metal-containing product (M1, M2). The method has the following steps: - heating (S1) a primary heat-transfer fluid (HTF1) by means of concentrated solar r...
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WO/2023/079017A1 |
The invention relates to a method for reducing metal oxide (M1) by means of a reducing gas or gas mixture, having the following steps: - combining (V1) the metal oxide (M1) to be reduced and the gas or gas mixture used to reduce the meta...
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WO/2023/065575A1 |
Disclosed in the present invention is a novel anti-coking VDF cracking furnace system, comprising a cracking furnace, a waste heat recovery unit, and a quencher. The cracking furnace is internally provided with a helical furnace tube and...
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WO/2023/067533A1 |
The present disclosure discloses a system (500) for measuring thickness along a length of a conduit (111). The system includes a guide tube and a device (300) positioned in the guide tube (370). The device is configured to displace along...
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WO/2023/055664A1 |
A furnace system including an outer shell which comprises a top flange, an elongated body portion, and a bottom flange, wherein the outer shell is a pressure vessel, with no penetrations in the elongated body portion; a heater assembly w...
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WO/2023/037034A1 |
A cooling element (4) for a furnace (1) comprises a first side (7) configured to be directed towards the inside (3) of the furnace (1), a second side (8) opposite to the first side (7) and configured to be directed away from the inside (...
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WO/2023/284293A1 |
Disclosed in the present invention are a top blown furnace having a powdery material fed from the side, and a treatment method thereof. The top blown furnace having a powdery material fed from the side comprises a cylindrical furnace bod...
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WO/2022/271064A1 |
A system for the production of sponge iron, the system comprising a direct reduction shaft (201), a reduction gas source (206), a reduction gas container (209), a primary circuit (210) for conducting at least a part of a top gas through ...
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WO/2022/271576A1 |
A process for producing hot briquetted iron with increased solid carbonaceous material and/or flux includes: providing a. shaft furnace of a direct reduction plant to reduce iron oxide with reducing gas; providing a hot briquette machine...
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