Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 30,178

Document Document Title
WO/2019/071794A1
Provided is a method for recovering valuable components from mixed slag containing copper and iron, which comprises S1, mixing slag; adding copper slag into a smelting reaction device, and simultaneously adding one or more of lead smelti...  
WO/2019/069294A1
Improvements to the gasifier furnace design and process method to facilitate continuous production of mainly H2, CO and granulated solid from molten liquid or the liquid slag in the presence of carbonaceous material. It is a method of qu...  
WO/2019/062612A1
A tangential multi-pipeline cyclone dust remover for primary dust removal of blast furnace gas comprises a sealed barrel body (5). The top center of the barrel body (5) is in communication with a gas exhaust tube (4), the bottom of the b...  
WO/2019/066162A1
Provided are a pulverized coal flow rate deviation reduction apparatus and a method therefor. The pulverized coal flow rate deviation reduction apparatus, according to the present invention, comprises: a pulverized coal injecting lance; ...  
WO/2019/060970A1
Developed for heating refractory troughs and keeping them heated while conveying various types of metals and other products in liquid form, mainly aluminium, the internal heating system for refractory troughs is formed of refractory comp...  
WO/2019/064052A1
The invention is related to a method of continuous manufacturing of solidified steelmaking slag comprising the steps of: - solidifying molten steelmaking slag comprising at least 2% in weight of free lime so as to produce solidified slag...  
WO/2019/063128A1
The invention relates to a method and a device for obtaining a metal (12). An oxide (11) of the metal is brought into contact with a reduction gas (10) in a reduction zone (R). In order to produce the oxide, a hydrocarbon-containing inpu...  
WO/2019/064433A1
The present invention addresses the problem of improving efficiency when using an oxygen burner-lance to operate a melting-refining furnace for cold iron sources or during refining, and provides a method for operating a melting-refining ...  
WO/2019/057930A1
The invention relates to a method for producing a synthesis gas, in particular for use as reducing gas in a blast furnace, the method comprising: providing a fuel gas, the fuel gas being a hydrocarbon containing gas; providing an industr...  
WO/2019/057336A1
The invention relates to a method for controlling a combustion in a furnace (100) which is heated by a burner (160) with at least one oxygen lance (120), wherein a fuel is supplied via a fuel supply (110) of the burner (110) and oxygen i...  
WO/2019/048243A1
The invention relates to a method for reducing metal oxides (2) to metallized material (3) by means of contact with reduction gas, wherein an accumulated top gas is dry dedusted and reformed in a raw gas mixture together with gaseous hyd...  
WO/2019/042892A1
The invention relates to a method for the treatment of converter slag for the purpose of recovering iron, wherein a converter slag is brought into contact with oxygen in such a way that the slag is mixed by means of turbulence and availa...  
WO/2019/042155A1
A plasma heating-based temperature regulation method and device for a blast furnace hot air system. The device comprises a metal smelting blast furnace (1) and a high-temperature hot air furnace (2) matched therewith; a blast furnace coa...  
WO/2019/043261A1
The present application relates to a process for the purification of waste materials or industrial by-products, the process comprising the steps of: a) Preparing a composition (C) by blending or mixing waste materials or industrial by-pr...  
WO/2019/042617A1
The invention relates to a method for detecting a predetermined wear of a refractory lining of a metallurgical vessel, in which a metal melt is treated, wherein d) the refractory lining is applied in one or more layers of refractory cera...  
WO/2019/042574A1
The invention is directed to a method and its related plant for the thermal treatment of iron containing oxide, in which fine-grained solids are heated in a preheating calcining stage and are exposed to a reduction gas in a subsequent re...  
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...  
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 ...  
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. ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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. ...  
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...  
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 ...  
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...  
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...  
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) ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  

Matches 1 - 50 out of 30,178