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WO/2024/038073A1 |
The invention relates to a device for heating rod-shaped metal workpieces (1), in particular bolts made of aluminium or copper and alloys thereof, the device comprising an induction furnace (2) for inductive heating, the induction coils ...
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WO/2024/037943A1 |
The invention relates to a process for manufacturing an iron melt (1) and liquid slag in an electric smelter (10).
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WO/2024/021291A1 |
Disclosed in the present invention is a lithium battery rotary kiln with a heat energy recovery mechanism, comprising a kiln tail bin, a tug mechanism, a driving mechanism, a rotary kiln body and a kiln head bin. An end of the rotary kil...
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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/2023/215952A1 |
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/2023/215928A1 |
The invention relates to a preheating station (12) for preheating a melt transportation device (1), said preheating station (12) comprising: a base assembly (13); a flow channel (14) for transporting an air volume, wherein the flow chann...
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WO/2023/209944A1 |
A melting furnace according to the present invention comprises: a preheating tower (12) having a preheating chamber (12b) installed therein; a melting chamber (14); a combustion chamber (16); and a combustion burner (18). Inside a furnac...
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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/2023/097356A1 |
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/2023/079015A1 |
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/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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WO/2022/236593A1 |
A system and method for producing cement clinker by oxy-fuel combustion circulation preheating, the system comprising a preheater, a decomposing furnace, a smoke chamber, a rotary kiln and a cooling machine; the cooling machine comprises...
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WO/2022/179847A1 |
The present invention relates to a device for the thermal treatment of mineral substances, the device comprising a preheater (10), a calciner (20) and a cooler (30), characterized in that at least two of the structural units (preheater (...
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WO/2022/130730A1 |
Provided is a cement clinker manufacturing system with which it is possible to increase the carbon dioxide gas concentration of some exhaust gas and to obtain a gas containing high-concentration carbon dioxide gas. A cement clinker man...
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WO/2022/070221A1 |
Apparatus (10) for feeding and preheating a metal charge (S) toward a melting furnace (110) of a melting plant (100), comprising at least one conveyor channel (11) for said metal charge (S), at least one hood (14) disposed above said con...
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WO/2022/064149A1 |
Direct flame preheating section for continuous metal strip processing lines (B), comprising a connecting zone between an active zone (14) provided with burners capable of functioning in 'no flame' mode and a recuperative zone (11) for pr...
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WO/2022/001109A1 |
Disclosed are an air channeling prevention system for a preheating (PH) section of a chain grate machine and an air flow control method therefor. The system comprises a chain grate machine and a rotary kiln. The chain grate machine is se...
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WO/2021/254024A1 |
The present invention relates to the technical field of neodymium-iron-boron rare earth materials. Disclosed is equipment for recovering the residual heat of a neodymium-iron-boron waste roasting furnace, comprising: a roasting furnace, ...
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WO/2021/248659A1 |
A short-process integrated preparation system for a fused ceramic particle, comprising a calcining kiln (3), a transition hopper (8), a material distributing device (9), and a smelting furnace (10). The transition hopper (8) is arranged ...
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WO/2021/235008A1 |
[Problem] The present invention provides a method and an apparatus for melting aluminum cutting chips, in which the cutting chips that are dusts produced by cutting metal aluminum or an aluminum alloy are melted to produce an aluminum me...
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WO/2021/230027A1 |
The present invention relates to a blast furnace operation method whereby residual coke which remains in a blast furnace during the outage of the blast furnace, i.e., the stopping of the blowing of air into the blast furnace, and may obs...
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WO/2021/168934A1 |
An anti-skinning device for a kiln tail preheater, comprising a hanging plate component (1) and a connection component (2). The hanging plate component (1) is of a hollow structure, and the shape and size of the connection component (2) ...
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WO/2021/144637A1 |
A process and plant for preheating a metal charge (11) fed in continuous to an electric melting furnace (12) through a preheating tunnel (16) provided with side walls, a vault and horizontal conveyor (13), wherein said metal charge (11) ...
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WO/2021/116170A1 |
The present invention relates to a tower structure (12) of a pre-heating tower of a plant for thermally processing minerals, comprising a plurality of support beams (16), which extend vertically and mutually parallel and are interconnect...
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WO/2021/049125A1 |
In the present invention, molten iron is produced in an electric furnace at low cost and with high efficiency in terms of energy utilization. Provided is a method of obtaining molten iron m in which, in an electric furnace in which a sha...
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WO/2021/006155A1 |
This cement manufacturing system comprises: a suspension pre-heater for pre-heating a cement raw material; a calcining furnace for calcining the pre-heated cement raw material; and a firing furnace for firing the calcined cement raw mate...
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WO/2020/229435A1 |
The invention relates to a heat exchanger cyclone (1) for exchanging heat between heat between a dust-like to granular material (2) and a gas (3), having an inlet (4) for gas (3), an outlet (5) for gas (3), an inlet (6) for the dust-like...
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WO/2020/182012A1 |
A multi-stage suspension preheating cement kiln system and a control method for a multi-stage suspension preheating cement kiln system. The multi-stage suspension preheating cement kiln system comprises: a rotary kiln having a rotary kil...
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WO/2020/182013A1 |
Disclosed are a multistage suspension preheating cement kiln system, and a control method for a multistage suspension preheating cement kiln system. The multistage suspension preheating cement kiln system comprises: a rotary kiln, which ...
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WO/2020/164259A1 |
The present invention relates to a rotary lime kiln preheater with efficient flue gas desulfurization, comprising a preheater main body, a top material bin, a material-feeding pipe, a flue gas-discharging pipe, a push rod device, and a m...
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WO/2020/083579A1 |
The invention relates to a system (100) for melting down scrap (5), comprising a melting furnace (50), and comprising a conveying device (10) for feeding the scrap (5) between an input region (17) for inputting the scrap (5) onto the con...
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WO/2020/016702A1 |
Process and plant for preheating a metal charge (11) fed in continuous to an electric melting furnace (12) through a preheating tunnel (16) provided with a horizontal conveyor (13), wherein said metal charge (11) is hit, in countercurren...
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WO/2019/076567A1 |
The invention relates to a scrap pre-heating device (10) for a melting furnace (50), having an at least substantially horizontally arranged conveyor device (15) for feeding scrap (5) between an input region (17) for the scrap (5) into th...
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WO/2019/025119A1 |
The invention relates to a finger arrangement (1) for holding metal parts during a preheating process, preferably for use in a shaft above a melting-furnace vessel for melting the metal parts, wherein the finger arrangement (1) has: a fi...
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WO/2018/230468A1 |
This multi-chamber heat treatment device (S, S1, S2, S3) is provided with: intermediate conveyance devices (1, 3, 31, 6); and a plurality of processing devices (2A-2D, 4A-4H, 5, 7A-7D, 8, 9) that are mounted on the intermediate conveyanc...
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WO/2018/158237A1 |
The invention relates to a multi-chamber melting furnace for melting scrap consisting of non-ferrous metals, in particular aluminium scrap, said furnace having a first shaft furnace (10) with a shaft (11) for charge material, in which sh...
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WO/2018/146908A1 |
Provided is a glass manufacturing method comprising: a preheating step for, prior to a glass supplying step, electrifying and heating a glass supply tube 7 in advance, in a state where the glass supply tube is separated from glass supply...
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WO/2018/119251A1 |
An example embodiment of the present invention provides a system for preheating ferromagnetic scrap. The system can include a preheating unit that is configured to hold ferromagnetic scrap and to receive hot gases. The preheating unit ma...
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WO/2018/111716A1 |
A bio-fuel furnace for use in waste management, non-combustible particulate collection and useable energy production. The bio-fuel furnace includes a combustion unit, a particle separator, an airflow management system. The combustion uni...
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WO/2018/110797A1 |
A raw material supply device is disclosed. A device for removing a surface oxide from a metal raw material and supplying the metal raw material to a melting furnace, according to an embodiment of the present invention, comprises: a housi...
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WO/2018/016108A1 |
Provided are a low energy cost heating and firing apparatus and a low energy cost firing method for fly ash. A heating and firing apparatus 2 has a combustion furnace for burning and reducing the amount of unburned carbon in a raw powder...
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WO/2018/000004A1 |
The invention relates to a method for producing steel using lump iron carriers in a converter (1). Fuel and oxidizing gas are injected into the hot converter (1) supplied with lump iron carriers through nozzles (4) in the converter base ...
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WO/2017/173537A1 |
A method of operating a burner assembly is provided. The method includes the steps of: providing combustible fuel at the input end of the burner assembly; providing atomization air at the input end of the burner assembly; transporting th...
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WO/2017/122647A1 |
This metal melting device is provided with a crucible 20 for storing molten metal therein, a stirring part 30 for stirring the molten metal in the crucible 20, and a heating part 40 for heating the crucible 20. The stirring part 30 inclu...
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WO/2017/109543A1 |
A method and a system for determining a mass of feedstock discharged by a conveyor during a first time interval Δt are disclosed. The method comprises: taking successive digital images of the feedstock in a specific zone of the conveyor...
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WO/2017/109657A1 |
A method and a system for determining a mass of feedstock discharged by a conveyor during a first time interval Δt are disclosed. The method comprises: taking successive digital images of the feedstock in a specific zone of the conveyor...
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WO/2016/066163A1 |
The present invention relates to a melting device comprising a loading shaft (13, 13a) and a tilting device (4) by means of which a furnace vessel (1) with a furnace vessel cover (10) can be tilted into different tilt positions around a ...
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WO/2015/181781A1 |
An apparatus (10) to move and preheat metal material (M) to be fed to a container (12) comprises a containing structure (14), having an internal compartment (14a) and provided with a support wall (18), a conveyor (20) for the material (M...
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