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Matches 1 - 50 out of 4,629

Document Document Title
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...  
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...  
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 ...  
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...  
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...  
WO/2022/129442A1
Method for raceway depth measurement in a blast furnace, device for raceway depth measurement in a blast furnace and use thereof.  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
WO/2021/131350A1
Provided are a thermal treatment device of carbon material granules and a method therefor which are capable of thermally treating carbon material granules continuously for a long period of time and uniformly at high temperatures without ...  
WO/2021/131352A1
Provided are a carbonaceous particle heat treatment device and a method therefor for by which it is possible to prevent oxidation of carbonaceous particles prior to heat treatment thereof. In the present invention, provided is an inserti...  
WO/2021/121701A1
Blast furnace plant (1) and shutdown process for such a blast furnace plant (1). The blast furnace plant comprises a blast furnace (2) and a gas cleaning section (6) for cleaning gas from the blast furnace. Clean gas is released via a cl...  
WO/2021/123133A1
The invention relates to a cooling plate (1) for a metallurgical furnace, comprising a cooling plate body (10) having with a front face (11) for facing the inside of the metallurgical furnace, an opposite rear face (12) and at least one ...  
WO/2021/121680A1
The invention relates to a pipe, more particularly a catalytic converter lance, comprising a pipe body made from stainless steel, wherein the pipe body is divided into two sections in the longitudinal direction, wherein one of the sectio...  
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...  
WO/2021/105968A1
Production of carbon and stainless steel requires two basic steps: ironmaking and steel making. Ironmaking process transforms ferrous materials into metallic iron by oxyreduction. Ironmaking in traditional blast furnaces requires the use...  
WO/2021/069703A1
Burner (100) for producing a flame in a combustion chamber (200) of an annular vertical shaft kiln (300) comprising: a. a first innermost sleeve (101) having a bore (104) and a distal extremity (112) directed through the inside of the sa...  
WO/2021/061469A1
A measurement system is provided for predicting a future status of a refractory lining that is lined over an inner surface of an outer wall of a metallurgical vessel and exposed to a heat during which the refractory lining is exposed to ...  
WO/2021/028267A1
The invention relates to a method for maintenance of a cooling assembly (1) for a metallurgical furnace, the cooling assembly (1) comprising * a cooling plate (2) disposed inside of a furnace shell (20) of the metallurgical furnace; * a ...  
WO/2021/005566A1
A process for producing metal aluminum, and optionally other metals, starting from aluminum compounds containing oxygen and possibly other metals, by means of a chemical reduction reaction of the aluminum carried out in a reaction chambe...  
WO/2020/263343A1
Computer modelling methods and foundry methods for copper- nickel coolant pipes cast-in-copper coolers are combined. First, Computational Fluid Dynamics and/or Finite Element Analysis steps verify geometric computer aided design models a...  
WO/2020/223774A1
The present invention relates to a refrigerated panel (23) used on the walls of blast furnaces (1) and other industrial furnaces, consisting of a body (25) made from copper, cast iron or another metal alloy, independent internal refriger...  
WO/2020/196360A1
Proposed are a method for heating up the hearth of a blast furnace, and a burner lance used for same, wherein at the start of blowing down of a blast furnace, damage to the burner lance during heating up with the burner lance provided at...  
WO/2020/188412A1
An improved lime mud recycling system including a camera proximate the kiln outlet imaging the granular lime and providing outlet images of the granular lime exiting the kiln, a processor analyzing the outlet images of the granular lime ...  
WO/2020/182404A1
The invention relates to an apparatus (5) for cooling and/or cleaning a process gas leaving a converter (2), having at least one evaporation cooling unit (8) and at least one waste heat boiler (10) downstream thereof in the direction of ...  
WO/2020/182584A1
The present invention relates to a shaft furnace (10) for burning in particular carbonate-containing material, said shaft furnace having: in the flow direction of the material, a pre-heating zone (18), at least one combustion zone (20), ...  
WO/2020/171079A1
[Problem] To provide a chute connecting a reduction furnace and a cooling furnace to each other, whereby it becomes possible to feed desired reduced iron, to discharge aggregated reduced iron, refractories detached from the inside of the...  
WO/2020/171741A1
The invention relates to the field of production of light-weight hollow granules from a powdered mineral or synthetic raw material for use in the manufacturing of composite and thermal insulating articles. A method for producing hollow g...  
WO/2020/170277A1
System (100) for conveying and distributing limestone in pieces for use in vertical lime kilns having at least one vat (20, 20'), comprising a hopper (1) for receiving limestone in pieces, a support structure (3) provided with wheels for...  

Matches 1 - 50 out of 4,629