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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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WO/2022/265125A1 |
A waste-synthetic-resin emulsifying apparatus is disclosed. A waste-synthetic-resin emulsifying apparatus according to one embodiment of the present invention comprises: a pyrolysis furnace accommodating waste-synthetic-resin and simulta...
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WO/2022/254322A1 |
The invention relates to a device (1) for processing iron oxide-containing and phosphate-containing process materials, in particular waste materials such as sewage sludge, dry sewage sludge, sewage sludge ash, animal meal and/or bone mea...
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WO/2022/253829A1 |
This invention discloses a calcination process to produce high purity CO2 from solids containing CaCO3 which operates cyclically and continuously on the solids, arranged in a packed or a moving bed, and wherein each cycle comprises a fir...
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WO/2022/238383A1 |
The present invention relates to a decarbonation process of carbonated materials, in particular limestone and dolomitic limestone, with CO2 recovery in a multi- shaft vertical kiln (MSVK) comprising a first and a second shaft with prehea...
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WO/2022/238384A1 |
The present invention relates to a decarbonation process of carbonated materials, in particular limestone and dolomitic limestone, with CO2 recovery in a multi-shaft vertical kiln (MSVK) comprising a first, a second, and optionally a thi...
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WO/2022/238362A1 |
The invention relates to a device for producing expanded granulated material (2) from mineral material (1) in the form of grains of sand with an expanding agent, comprising a furnace (3) with a furnace shaft (4), which has an upper end (...
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WO/2022/238387A1 |
The present invention relates to a decarbonation process of carbonated materials, in particular limestone and dolomitic limestone, with CO2 recovery in a multi-shaft vertical kiln (MSVK) comprising a first and a second shaft with preheat...
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WO/2022/238385A1 |
The present invention discloses a decarbonation process of carbonated materials, in particular limestone and dolomitic limestone, with CO2 recovery in a multishaft vertical kiln (MSVK) comprising a first, a second, and optionally a third...
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WO/2022/229119A1 |
The invention relates to a method for burning material, such as carbonate rock, in a kiln comprising one or two shafts. The material flows through a material inlet (3) into a pre-heating zone (21) in order to pre-heat the material, a bur...
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WO/2022/229120A1 |
The invention relates to a lime kiln system (4) comprising at least one shaft kiln (1) for burning and cooling material, such as carbonate rock. The lime kiln system (4) comprises two shafts (2a, b) and a channel (19) which extends betwe...
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WO/2022/229414A1 |
A cooling system for a metallurgical furnace comprises: a plurality of cooling arrangements (40) comprising each a set of cooling elements (38) arranged to extract heat from the furnace, the cooling elements (34) having each at least one...
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WO/2022/229118A1 |
The invention relates to a method for burning material, such as carbonate rock, in a parallel-flow regenerative shaft kiln (1) with two shafts (2) which are operated alternately as a burning shaft and a regenerative shaft and are connect...
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WO/2022/202632A1 |
The present disclosure provides a heat treatment device equipped with a container that includes a first chamber and a second chamber coupled to each other via a division valve, and a gas supply opening and a gas exhaust opening through w...
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WO/2022/194932A1 |
The present application relates to a method for injecting a pulverulent replacement reducing agent and a reducing gas into a blast furnace, the blast furnace comprising at least one blast tuyere for introducing hot blast flows into the b...
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WO/2022/194593A1 |
The invention relates to a shaft furnace (1) for firing in particular carbonate-containing material, with a shaft (2) having, in the flow direction of the material, a material inlet (3), a preheating zone (21) for preheating the material...
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WO/2022/180297A1 |
Presented is a metallurgical furnace (1) comprising a hearth (2), a sidewall structure (3), and a surrounding cooling element structure (26) comprising cooling elements (12). Each cooling element (12) have a planar back surface (13). A s...
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WO/2022/180326A1 |
Disclosed is a calcination unit (1) suitable for decarbonating raw materials intended for the production of clinker, the unit (1) comprising: - a main pipe (2) in which the raw materials flow in a first direction (3) of movement, the raw...
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WO/2022/176518A1 |
The present invention provides a method for charging a raw material into a blast furnace, whereby raw material particle size distributions in a furnace top bunker that are suitable for each of conventional tilt charging and reverse tilt ...
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WO/2022/170412A1 |
The invention pertains to the field of the chemical industry, and more specifically discloses a continuous-flow pyrolysis reactor (200) provided with one or more sets of pyrolysis chambers (204). The invention also relates to a positive-...
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WO/2022/172769A1 |
The present invention increases molten iron temperature increase efficiency to reduce manufacturing cost. The present invention provides a method for producing molten iron using an electric furnace that comprises a preheating chamber, ...
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WO/2022/157221A1 |
The invention relates to a method for operating a blast furnace plant (1) that comprises a blast furnace (10), at least one material hopper (20) for charging raw materials to the blast furnace (10), having a upper seal valve (21) and a l...
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WO/2022/159022A1 |
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/2022/150894A1 |
The present invention relates to systems for distributing loads in a metal furnace. In this context, the present invention provides a system for distributing loads in a metal furnace, comprising (i) an open silo (10) designed to receive ...
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WO/2022/138043A1 |
This furnace top device 1 comprises: a conveyor head cover 22 enclosing the raw-material-input-side end of a conveyor 20; a switching chute 14 that has a receiving port 52 facing a discharge port 62 of the conveyor head cover 22, and tha...
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WO/2022/128377A1 |
The invention relates to a device for taking gas samples from a blast furnace, having a rod-shaped probe (33), which is arranged in the furnace chamber of the blast furnace above the charge surface (18) and has a plurality of removal ope...
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WO/2022/129442A1 |
Method for raceway depth measurement in a blast furnace, device for raceway depth measurement in a blast furnace and use thereof.
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WO/2022/117585A1 |
The present invention relates to a method for the pyrometallurgical smelting of metal-containing raw materials, waste materials and/or secondary waste materials (M), said materials being fed in comminuted form to a smelting unit (1) whic...
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WO/2022/115897A1 |
A system for the calcination of powder materials comprising a plurality of vertical reactor tubes in which a falling powder is heated about a heating zone by radiation from the externally heated walls of the reactor tubes, in which the c...
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WO/2022/106454A1 |
The present invention relates to a method (100) and a device (10) for the characterization of a smelting process and to an installation (1) for smelting metal ores (2). A set of data (20) is provided, which characterizes a spatial distri...
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WO/2022/098221A1 |
The present method for preparing a lining of a melting furnace includes laying refractory bricks and creating a protective layer in the area that is most exposed to the effect of a melt. To create said protective layer, the following are...
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WO/2022/094378A1 |
A cooling assembly for cooling exhaust gases emitted from a steel-making furnace includes a plate configured to be coupled to the furnace. The plate has a first surface and an opposing second surface. The assembly includes a body having ...
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