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WO/2019/124856A1 |
The present invention provides a blast furnace operation method and a blast furnace operation apparatus arranged to implement the same, the blast furnace operation method comprising the steps of: arranging a blast furnace input material ...
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WO/2019/124965A1 |
The present invention provides a method for reducing a metal oxide by using biomass, and the reduction of a metal oxide by the reduction method according to the present invention can increase the reduction efficiency of a carbon componen...
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WO/2019/124758A1 |
A molten iron manufacturing apparatus is provided. A molten iron manufacturing apparatus according to the present invention comprises: a melting/gasifying furnace; a multi-stage fluidized reduction furnace; a compacted iron manufacturing...
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WO/2019/123727A1 |
This blast furnace stove device (1) has: a blast furnace stove (4) which performs an air blowing operation for blowing hot air to a blast furnace (2) and a combustion operation for combusting fuel gas within the blast furnace stove; a fu...
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WO/2019/125088A1 |
The present invention relates to an apparatus for monitoring an air blowing state of molten iron, capable of monitoring an air blowing state of molten iron tapped out of a blast furnace in real time to determine a situation in the blast ...
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WO/2019/124859A1 |
The present invention comprises: a reaction furnace including a space in which raw materials including iron ore can be dissolved; and a hydrogen separator connected to the reaction furnace so as to separate hydrogen from exhaust gas gene...
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WO/2019/124931A1 |
The present invention relates to a furnace condition control apparatus and method for guiding preemptive actions to stably maintain the condition of a blast furnace, by using various operational data and sensor data generated from the bl...
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WO/2019/117493A1 |
A blast control device of a blast furnace, according to an embodiment, comprises: a blast volume prediction model database for storing a blast volume prediction model that predicts the blast volume of the blast furnace; a blast volume pr...
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WO/2019/110748A1 |
A charging system for a shaft smelt reduction furnace, comprising:a frame structure (30) for mounting on a top charge opening of a shaft smelt reduction vessel(12);a center shaft arrangement (32) supported by said frame structure (30) an...
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WO/2019/112207A1 |
An apparatus for controlling an amount of pulverized coal injection into a blast furnace according to an embodiment may comprise: a prediction model database for storing a prediction model for predicting, through a neural network algorit...
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WO/2019/102851A1 |
The hot-blast stove is provided with: a steel shell 210; a lower wall section 220 which is disposed along the inside of the steel shell 210, has one or multiple through-holes (blast port 112a and exhaust port 112b) formed therein, and is...
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WO/2019/103233A1 |
The present invention relates to a treatment apparatus comprising: a container having a charged material treatment space; a protection member provided so as to protect the inner peripheral surface of the container, and having one surface...
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WO/2019/096495A1 |
The invention relates to a device for reducing lumpy material containing metal oxide by means of direct reduction using a reduction gas and feeding the entire reduction gas from a reduction gas supply line (4) into the interior (10) of a...
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WO/2019/098484A1 |
A blast control device for a blast furnace, comprising: a video capturing device for obtaining an image of a charge charged into a blast furnace; at least one sensor for measuring an inside furnace state of the blast furnace; a data coll...
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WO/2019/092241A1 |
A shaft furnace, in particular a blast furnace, comprises a metal jacket (11) defining the furnace outer wall and a protective layer protecting the inner surface of said outer wall. At least one condition monitoring probe (24) is arrange...
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WO/2019/082762A1 |
This electric furnace is provided with: one or more upper electrodes; one or more bottom-blowing tuyeres; a mechanical agitator including an impeller; and a feeding device for feeding an iron oxide-containing iron raw material.
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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...
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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...
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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...
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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; ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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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