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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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WO/2022/078582A1 |
The present invention proposes a heat storage device such as e.g. a hot blast stove (10) comprising a heat regeneration checkerwork (14) made of checker bricks (12), the checkerwork (14) being supported by a support assembly (16). In acc...
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WO/2022/079080A1 |
The present invention proposes a heat storage device such as e.g. a hot blast stove (10) comprising a heat regeneration checkerwork (14) made of checker bricks (12), the checkerwork (14) being supported by a support assembly (16). In acc...
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WO/2022/064022A1 |
A reducing gas injection system (10) for a blast furnace comprising a blast furnace wall (30), wherein the reducing gas injection system comprises - a reducing gas distribution pipe (20), - one or more injectors (40) mounted to the blast...
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WO/2022/063805A1 |
The invention concerns a gas injection system for a blast furnace or shaft furnace or metallurgical furnace comprising a furnace wall (12) and a cooling plate (18) wherein the gas injection system comprises • a gas distribution pipe (1...
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WO/2022/064046A1 |
A shaft furnace, in particular a blast furnace, comprises an outer metal shell (14); a plurality of tuyeres (16) arranged to inject hot blast into the shaft furnace; and means for injecting process gas in the shaft stack area. The inject...
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WO/2022/058772A1 |
A device to inject a reducing gas into a shaft furnace comprising an external casing whose front face is provided with an outlet for gas injection into the shaft furnace, an internal casing located inside the external casing wherein redu...
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WO/2022/058771A1 |
A device to inject a reducing gas into a shaft furnace comprising an external casing whose front face is provided with an outlet for gas injection into the shaft furnace, an internal casing located inside the external casing and made of ...
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WO/2022/058773A1 |
A blast furnace for ironmaking production wherein iron ore is at least partly reduced by a reducing gas which is injected in the stack of the blast furnace. The blast furnace comprises an external wall, an internal wall in contact with m...
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WO/2022/058770A1 |
A blast furnace for ironmaking production wherein iron ore is at least partly reduced by a reducing gas which is injected in the stack of the blast furnace in an injection zone, the blast furnace comprising an external wall and an intern...
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WO/2022/058774A1 |
A blast furnace for ironmaking production wherein iron ore is at least partly reduced by a reducing gas which is injected in the stack of the blast furnace. The blast furnace comprises an external and an internal wall, having a thickness...
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WO/2022/037796A1 |
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 (5) and a lower end (6), whe...
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WO/2022/035802A1 |
A furnace panel (12) for a melting furnace (10) and a method for fabricating the furnace panel are disclosed. In particular, the furnace panel can include at least one outer wall (18) having an outer surface; and a cast sacrificial layer...
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WO/2022/016094A1 |
A stave for a metallurgical furnace with a structural matrix fastened to a stave body. The structural matrix includes a plurality of cells open on one end in order to receive refractory material or furnace materials (feed stock, accretio...
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WO/2021/229009A1 |
The present invention relates to a device for heat-treating solid material, in particular in granular form, wherein the device comprises a kiln and an external heat generator, wherein said kiln comprises at least one sloped sliding surfa...
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WO/2021/220568A1 |
The purpose of the present invention is to provide a device for heat treating a granular carbon material, whereby a heat-treated granular carbon material can be uniformly cooled without reducing the output per unit time. A device for hea...
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WO/2021/204725A1 |
Method for calcination in an annular shaft furnace comprising a supply of material to be calcined at the top of an annular space (3) of the furnace into which the material descends, an introduction in (5) of first and in (6) of second co...
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WO/2021/186788A1 |
Provided are a device for thermally treating a carbonaceous particle body and a method for assembling the device, in which a thermal treatment of a carbonaceous particle body can be continued at a high temperature uniformly for a long pe...
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WO/2021/170479A1 |
The present invention relates to a shaft furnace (10) for burning material, in particular material containing carbonate, said furnace comprising a shaft (12) which has, in the direction of flow of the material: a material inlet (22); at ...
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WO/2021/170478A1 |
The invention relates to a method for firing material, in particular material containing carbonate, in a shaft furnace (1) having a shaft (2), wherein the material flows through a material inlet (3) into a preheating zone (21) for prehea...
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