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WO/2023/215952A1 |
A calcination and cement production apparatus comprising a calciner configured to be heated by combustion of a carbon based fuel and a hydrogen peroxide oxidant composition is disclosed.
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WO/2023/213939A1 |
The present invention concerns an apparatus and a method for manufacturing a product from a raw material. The apparatus comprises a rotary kiln having a first rotary kiln end and a second rotary kiln end, and a cooling unit which is conn...
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WO/2023/214563A1 |
[Problem] To provide a production device for a carbon material, a production system for a carbon material, and a production method for a carbon material that make it possible to efficiently produce a carbon material from carbon dioxide. ...
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WO/2023/209480A1 |
The invention relates to a method for heating at least one semi-finished metal products to be further laminated, by means of a heat exchanging device comprising a chamber containing solid particles, supporting means able to support semi-...
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WO/2023/209415A1 |
The invention relates to a method for heating at least one semi-finished metal products to be further laminated, by means of a heat exchanging device comprising a chamber containing solid particles, supporting means able to support semi-...
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WO/2023/203588A1 |
Metallurgical plant (10) for treating steelworks by-products, comprising at least one smelting furnace (11) configured to reduce and smelt the reducible metal oxides present in the by-products, generating fumes (F), and an apparatus (12)...
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WO/2023/198634A1 |
The invention relates to an annealing device (1), in particular an annealing furnace, for the oxidation-free heat treatment of a hot-rolled steel strip (3), which is provided for the production of an electric strip and/or stainless steel...
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WO/2023/194197A1 |
The invention relates to a system for producing cement clinker and for separating the carbon dioxide from the exhaust gas flow, wherein the system comprises a preheater (1), a calciner (2), a furnace (3) and a product cooler, wherein the...
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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/2023/185110A1 |
The present invention relates to the technical field of waste heat utilization of heat recovery coke ovens in coking production, and in particular, to a flue gas process based on a heat recovery coke oven. High-temperature flue gas gener...
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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/2023/173902A1 |
Disclosed in the present invention is a waste-heat recovery system matching a HIsmelt smelting reduction ironmaking system, the waste-heat recovery system comprising: a cooling flue and a flue steam drum, wherein an outlet end of the coo...
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WO/2023/170721A1 |
Feed apparatus (10) for feeding a metal charge (C) toward a melting furnace (100), wherein the apparatus (10) comprises a conveying channel (11) and a fixed hood (12) which is configured to hermetically close the upper part of the convey...
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WO/2023/170622A1 |
A process for preheating raw material in the production of ferrochrome products. The process includes extracting off-gas produced in a DC arc furnace (12), feeding the extracted off-gas to a hot gas generator (40) and generating hot gas ...
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WO/2023/171460A1 |
Provided are a combustion gas bleeding probe and a method for operating the same capable of adequately cooling bleed gas even if a bleed rate is enhanced, and capable of enabling operation while maintaining a prescribed chlorine removal ...
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WO/2023/094082A9 |
The invention relates to: a heat treatment system for the heat treatment of web-type material (M), in particular metal strips, comprising a furnace (2) and a cooling section (12) connected to same, wherein the web-type material (M) is gu...
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WO/2023/162344A1 |
Provided is a method for operating a blast furnace, whereby it becomes possible to further reduce the amount of carbon dioxide discharged from the blast furnace under stable operation of the blast furnace. A regenerated organic substance...
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WO/2023/163320A1 |
A waste heat recovery system and method are disclosed. The waste heat recovery system disclosed herein comprises: a waste heat recovery boiler; a waste heat supply member configured to supply waste heat to the waste heat recovery boiler;...
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WO/2023/162389A1 |
The present invention significantly reduces CO2 emission and enables stable operation regardless of fluctuations in various conditions, in a process for reducing fine iron ore by means of a fluidized-bed reduction furnace and a smelting ...
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WO/2023/153407A1 |
Since blast furnace gas discharged from a blast furnace contains a large amount of CO gas that did not contribute to ore reduction, blast furnace gas containing unused CO gas is again blown into the blast furnace through blast furnace tu...
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WO/2023/149017A1 |
Provided is a heat treatment method for lithium ion battery waste, said method comprising: a battery heating step for heating lithium ion battery waste while supplying an inert gas in a heat treatment furnace 1; and a gas combustion step...
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WO/2023/148191A1 |
The invention relates to a galvanising plant (10) for galvanising items, in particular to a hot-dip galvanising plant, comprising: a galvanising tank (12) for providing a molten bath (14); a dryer (16), in particular a flux dryer, having...
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WO/2023/147644A1 |
A system and method are presented for recovering heat from flue gas produced by a recovery boiler in a pulp and paper mill, the recovery boiler having a flue stack. Flue gas is drawn from the flue stack and passed through a first and sec...
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WO/2023/148258A1 |
The invention relates to a method for operating a plant (100) for producing cement clinker, wherein the plant comprises as plant units (AG), in the direction of gas flow, at least one clinker cooler (110), at least one rotary kiln (120),...
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WO/2023/147719A1 |
The present invention relates to a protective gas supply and recycling method for a cold-rolling annealing furnace, which can comprise the following steps: S1. providing gas to protective gas storage tanks so as to enable each of the sto...
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WO/2023/149085A1 |
Provided is energy-efficient, low-cost technology capable of supplying temperature-accurate hot air. A device comprising: a heat pump that preheats gas at a temperature lower than the preset temperature required for drying steel or a ste...
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WO/2023/130753A1 |
Three-phase combined heat supply type low-carbon sintering equipment, characterized in that: the equipment comprises a sintering machine trolley (1), a bottom fuel gas injection system (2), and heating sources; the bottom fuel gas inject...
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WO/2023/115839A1 |
A cemented carbide scraps recovery treatment method, comprising the following steps: S1, weighing cemented carbide of a preset weight and putting same into a preheating container for preheating; S2, transferring the preheated cemented ca...
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WO/2023/116980A1 |
The invention relates to a process plant (20) for converting a solid input material into a solid process product. The process plant (20) includes a calciner which is connected to a heat exchanger (26) and to which the input material can ...
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WO/2023/109001A1 |
Embodiments of the present application are applicable to the field of lithium battery rotary kilns, and provide a heat recycling system and method for a lithium battery rotary kiln, and a medium. The system comprises: a first temperature...
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WO/2023/112505A1 |
In the present invention, molten iron is obtained at a low electric power consumption rate by preheating a cold iron source efficiently and reliably by ascertaining preheating conditions of the cold iron source. The method is for produci...
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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/2023/107928A1 |
A catalytic converter system for a build chamber volume of a three-dimensional printer includes a catalytic converter including a catalyst substrate having a catalytic layer having a predetermined reduction efficiency temperature. The ca...
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WO/2023/099618A1 |
The invention concerns a process for melting vitrifiable materials to produce flat glass, comprising the steps of (i) providing a furnace comprising at least one main melting tank with electrical heating means, at least one auxiliary mel...
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WO/2023/099619A1 |
The present invention concerns a process for melting vitrifiable materials to produce flat glass, comprising the steps of (i) providing a furnace comprising at least one melting tank with electrical heating means, a fining tank with oxy-...
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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/2023/099617A1 |
The present invention concerns a process for melting vitrifiable materials to produce flat glass, comprising the steps of (i) providing a furnace comprising at least one melting tank with electrical heating means, a fining tank with oxy-...
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WO/2023/099616A1 |
The present invention concerns a process for melting vitrifiable materials to produce flat glass, comprising the steps of (i) providing a furnace comprising at least one melting tank with electrical heating means, a fining tank with oxy-...
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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/2023/077641A1 |
A smelting furnace for smelting a nickel matte and a production method for a low nickel matte. The smelting furnace comprises: a first region (1) for melting and slagging an object to be smelted; a second region (2) for carrying out redu...
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WO/2023/074061A1 |
The present invention provides: a method for operating a methane gas generation device, the method being capable of controlling the deterioration rate of a catalyst by adequately adjusting operational conditions of a methane gas generati...
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WO/2023/063404A1 |
This method for producing reduced iron includes: a reduction step for generating reduced iron by reducing a raw material, which is iron oxide, with a reduction gas that includes hydrogen gas; a dehydration step for removing water from th...
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WO/2023/050602A1 |
Provided are a low temperature desulfurization and denitrification method and system for flue gas in a steel plant sintering machine. The low temperature desulfurization and denitrification method for flue gas in the steel plant sinterin...
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WO/2023/050700A1 |
Provided are a low-temperature desulfurization and denitrification method and system for flue gas of a cement plant. The low-temperature desulfurization and denitrification method for the flue gas of the cement plant comprises the follow...
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WO/2023/041410A1 |
The invention relates to a system for extraction of hot combustion gas to supply heat for separate use, said hot combustion gas extracted from a preheater(1) of a clinker burning department in a plant for manufacture of cement clinker, s...
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WO/2023/002430A1 |
The invention concerns: A) An assembly to reduce the emission of CO2 in a plant for the production of clinkers comprising two calciners and a carbonator arranged between the two calciners, wherein one of the calciners is an integral part...
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WO/2022/270516A1 |
Provided are a method for producing granular solidified slag, whereby slag processing such as heat recovery processing, steam aging processing, and carbonization processing of solidified slag can be efficiently performed, and a productio...
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WO/2022/270194A1 |
Proposed is a method by which the achievement of energy saving and the reduction of CO2 emissions are possible when producing reduced iron from iron oxide. This method for producing reduced iron comprises: an iron oxide filling step for ...
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WO/2022/271943A1 |
A method to produce carbon black includes, in a carbon black reactor having combustion zone and a reaction zone and a feedstock injection zone therebetween, converting a portion of at least one hydrocarbon feedstock to carbon black in th...
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WO/2022/261726A1 |
An improved apparatus for steam calcining aluminium trihydroxide (Al(OH)3) to produce alumina (Al2O3) is disclosed. The apparatus comprises an Al(OH)3 preheater configured to heat an Al(OH)3 feedstock by contacting it with steam. The Al(...
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