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WO/2019/037885A1 |
The present invention relates to a plant complex for pig iron production comprising a furnace (1) for pig iron production, a furnace-gas line system (2) for at least one stream of furnace gas that occurs during the pig iron production, w...
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WO/2019/039666A1 |
A molten steel manufacturing facility according to an embodiment of the present invention comprises: a molten steel manufacturing apparatus having a melting gasification furnace for melting reduced steel to manufacture molten steel; and ...
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WO/2019/034447A1 |
Extraction device for extracting a tuyere part,in particular a tuyere or a tuyere cooler, from a shaft furnace, the device comprising a supporting frame with positioning elements configured to position the device against a furnace wall. ...
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WO/2019/022312A1 |
The present invention relates to a device for processing an object to be processed. The device processes the object to be processed at a temperature higher than that of the outside. The device comprises: an outer shell that forms an inne...
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WO/2019/016428A1 |
Described is a rotary bed-type electric furnace, comprising a rotary bed (1) configured to carry material (2), and a rotator (3) configured to rotate the rotary bed (1) so that material (2) carried on the rotary bed (1) passes through pe...
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WO/2019/010923A1 |
A metallic iron production method, adding a block containing an iron oxide compound (200) and a carbon-containing reducing material (300) into a reduction furnace (100), using a reduction furnace external heating mode, causing the iron o...
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WO/2019/007001A1 |
A regenerative combustion type coal-based shaft furnace, where a combustion chamber (2) is provided with at least one set of combustion devices, each of which comprises a reversing valve (9), an air pipe (7), a smoke pipe (8), a first ga...
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WO/2019/008675A1 |
Provided is a carbon material interior ore that can be efficiently produced. The carbon material interior ore is produced without baking by adding an organic binder to an iron oxide-containing feedstock and a carbon material, adjusting t...
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WO/2019/007908A1 |
Method of operating an iron-or steelmaking plant with low CO2-emissions, whereby hydrogen and oxygen are generated by water decomposition (14) and whereby at least part (21) of the generated hydrogen is injected as a reducing gas into on...
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WO/2019/010190A1 |
A flange assembly comprises an annular mounting ring and a gate. The annular mounting ring is configured to be welded to the equipment and to connect an air cannon thereto. The mounting ring comprises threaded bolt holes and a slot and e...
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WO/2019/001181A1 |
A blast furnace smelting method for high-grade, vanadium rich, chromium-bearing vanadium-titanium magnetite (CVTM) concentrate. The method is carried out according to the following steps : (1) mixing high-grade, vanadium rich, CVTM conce...
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WO/2019/001870A1 |
A device (10) for mounting and/or dismantling staves on/from an inner wall 16 of a shaft furnace (12), the device (10) comprising a circular monorail (18) for supporting at least one stave positioning hoist (20). The monorail (18) is div...
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WO/2018/234720A1 |
This invention provides a method for avoiding conventional beneficiation of low-grade iron ores such as magnetite reserves in Australia or taconite deposits in the United States by directly incorporating the as-mined iron ore into a molt...
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WO/2018/234481A1 |
Injection of a process fluid into a shaft furnace by means of n injectors, whereby the status of said n injectors is tested by supplying a test fluid to each injector at a predetermined pressure, measuring a corresponding test fluid flow...
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WO/2018/234300A1 |
The invention relates to the use of pellets comprising one or more thermoplastic material(s) of more than 40%, based on the total dry weight of the pellets and one or more cellulosic material(s) of more than 20%, based on the total dry w...
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WO/2018/234416A1 |
Sonic or supersonic injection of oxidizing agent in a shaft furnace presenting at least one hot- spot and/or at least one cold spot, whereby the active duration of sonic or supersonic injection of oxidizing agent in a hot-spot section is...
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WO/2018/235908A1 |
Provided is a method for producing a graphite without using an organic solvent, said graphite being imparted with hydrophilicity. A method for producing a graphite, wherein after mixing a graphite and a colloidal solution of a metal oxid...
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WO/2018/229720A1 |
The invention is related to a method of operating an iron making installation, in which waste material is dried using a drying gas, the drying gas comprising an exhaust gas from a sinter plant, and the dried material is roasted a roastin...
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WO/2018/229520A1 |
The invention is related to a method of operating an iron making installation, in which waste material is dried using a drying gas, the drying gas comprising an exhaust gas from a sinter plant, and the dried material is roasted a roastin...
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WO/2018/228156A1 |
A high-vanadium and high-chromium type vanadium-titanium magnetite pellet, relating to the technical field of blast-furnace smelting in a high-vanadium and high-chromium type vanadium-titanium magnetite comprehensive utilization method. ...
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WO/2018/228142A1 |
An aluminum thermal self-propagation gradient reduction and slag washing and refining-based method for preparing a titanium alloy, which relates to the technical field of titanium aluminum alloys. The method comprises: pre-treating raw m...
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WO/2018/221891A1 |
Provided are an apparatus and a method for measuring the height of a molten material in a blast furnace, the apparatus comprising: a measurement part provided on the surface of the blast furnace and measuring the vertical and horizontal ...
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WO/2018/219269A1 |
Provided is an overall structure of a slag-iron separation and cooling device for molten iron desulfurization slag. The device is configured in two modes: off-line processing and on-line processing. When configured in the off-line proces...
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WO/2018/216171A1 |
A blocking member (22, 24), which is installed on the tip of a nozzle (20b) of a mud gun (20) for discharging a mud material to plug the tap hole (14) of a blast furnace (10) and that acts as a heat-resistant member for blocking molten p...
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WO/2018/206384A1 |
The invention relates to a conveyor system (1) for the continuous or discontinuous conveyance of a reactive and/or hot and/or abrasive material to be conveyed along a conveyor path. The conveyor system (1) comprises a system housing (3) ...
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WO/2018/201259A1 |
A modified air mixer heats mixing air to an elevated temperature using plasma heating torches retrofitted to an air mixer in a blast furnace system. The plasma heated air is mixed in the hot blast main with heated air from hot blast stov...
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WO/2018/195223A1 |
A cooling system to cool a surface of a tilting metallurgical furnace including an inner plate of the surface, a plurality of nozzles, and a drain manifold is disclosed. The inner plate has an external surface and an internal surface. Th...
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WO/2018/186066A1 |
The present invention relates to a method for pretreating an iron-making starting material, the method characterized in comprising at least: a step for adding a melting point depressant to an iron ore that is an iron-making starting mate...
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WO/2018/177998A1 |
The invention relates to a regenerator assembly and an inlet arrangement for collection of carry over (10) for a vertical regenerator (80) of an end-port furnace (90) comprising: - an inlet wall comprising an opening for a port for gas e...
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WO/2018/180892A1 |
Provided is a method for operating a blast furnace in which hot air is supplied from a hot air pipe to the inside of a blowpipe the tip of which is connected to a tuyere of a blast furnace, the hot air is supplied to the inside of the bl...
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WO/2018/177023A1 |
Disclosed is a molten slag residual heat recovery system, comprising a molten slag feed system, a molten slag heat exchange device (22) and a steam-water system, wherein the molten slag heat exchange device (22) is at least composed of o...
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WO/2018/167010A1 |
A bleeder valve (300) for controlling a gas outflow from the interior of a pressurized container (302) to an ambient atmosphere through an exhaust conduit (303) comprises: a valve seat (309) associated with said exhaust conduit (303), a ...
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WO/2018/158492A1 |
A method and an apparatus for treating titanium-containing slag is disclosed. The method comprises contacting a titanium-containing slag (2) with a first sulphuric acid leach solution (4) for dissolving impurities contained in the slag t...
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WO/2018/157450A1 |
A granulator system for granulating liquid-state slags, comprising a granulator (1) and a granulator fixing device; the granulator (1) is disc-like or cup-like; a flow guide cone is provided at the center of the granulator; the granulato...
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WO/2018/157451A1 |
A control system and method for dry centrifugal granulation of liquid-state slags. The system comprises a granulator cold air control unit and a feeding unit; the granulator cold air control unit comprises a granulator (14), a rotating s...
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WO/2018/157452A1 |
A secondary liquid-state slag temporary storage system with flow temperature monitoring and controlling functions, comprising a slag ladle shell (1), a stopper, a slag falling tube (2), and a sealing cover (10); a slag inlet (12) is form...
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WO/2018/154487A1 |
A ceramic and a method of forming a ceramic including milling steel slag exhibiting a diameter of 5 mm of less to form powder, sieving the powder to retain the powder having a particle size in the range of 20 µm to 400 µm, removing fre...
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WO/2018/153920A1 |
A cooling panel (10) for a metallurgical furnace comprises a body (12) with a front face (14) and an opposite rear face (16), a top face (18) and an opposite bottom face (20) and two opposite side faces (22, 24). The body (12) has at lea...
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WO/2018/155505A1 |
A part of the outer surface of this pipe lifter, which is formed so as to have no mutual interference with rotary kiln refractory, is in contact with or embedded in the inner wall refractory of a rotary kiln outer shell, and another part...
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WO/2018/152540A1 |
An energy coupling device for coupling energy into molten metal. The energy coupling device includes a cavitation source which supplies energy through a cooling medium and through a receptor in contact with the molten metal. The cavitati...
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WO/2018/150645A1 |
Heat resistant spheroidal graphite cast iron with excellent creep resistance that contains, in mass%, C: 3.0%-4.3%, Si: 1.5% to less than 3.0%, Mn: 0.4% or less, a graphite spheroidizing agent made of at least one of Mg, mischmetal, Ce a...
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WO/2018/147480A1 |
In a blower pipe (100) comprising: a hot air supply unit (110) for supplying hot air at a high temperature; a blowing unit (120), detachably installed at one side of a melting furnace (10), for supplying hot air supplied from the supplyi...
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WO/2018/146021A1 |
A cooling plate (10) for a metallurgical furnace comprising a body (12) with a front face (18) and an opposite rear face (20), the body (12) having at least one cooling channel (14) therein. The cooling channel (14) has an opening in the...
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WO/2018/147099A1 |
The present invention provides a mud material with which adhesiveness can be improved while ensuring the wear resistance and corrosion resistance required of mud materials. The fireproofing material of this mud material contains 10 mass%...
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WO/2018/143491A1 |
The present invention relates to a system for integratedly managing a heated member and a method for controlling the same, wherein the system can immediately identify a state of a heated member and efficiently manage the heated member ac...
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WO/2018/143616A1 |
The present invention relates to a system for integratedly managing a heated member and a method for controlling the same, wherein the system can immediately identify a state of a heated member so as to efficiently manage the heated memb...
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WO/2018/128620A1 |
A method for producing direct reduced iron from iron oxide and carbonaceous material is described. The iron oxide may comprise iron ore and residues from iron and steel production. A mix of iron oxide and carbonaceous material may be con...
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WO/2018/128682A2 |
A method and apparatus for producing direct reduced iron (DRI), including: generating a reducing gas in a coal gasifier using coal, oxygen, steam, and a first coke oven gas (COG) stream as inputs to the coal gasifier; and delivering the ...
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WO/2018/122591A1 |
The invention relates to a cooling plate (1) for use in a blast furnace. This cooling plate (1) comprises a copper body (2) having an inner face (3) comprising ribs (4-1, 4-2)parallel therebetween, having first extremities(6) and separat...
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WO/2018/122590A1 |
The invention relates to a cooling plate (1) for use in a blast furnace. This cooling plate (1) comprises a copper body (2) having an inner face (3) comprising ribs (4-1, 4-2) parallel therebetween, having first extremities(6) opposite t...
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