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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/2019/124931A1 |
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/2019/110748A1 |
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/2019/096495A1 |
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/2019/091563A1 |
The invention relates to a gate valve (20) comprising a valve disk (32) which can move in a valve guide (29) in a valve housing (26) between a closing position and an open position, the valve guide (29) being provided with a valve seal f...
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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/2019/007908A1 |
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/2019/004892A1 |
The present disclosure relates to a vertical lime kiln, specifically adapted for allowing mobility and reuse of the material used for constructing the kiln. The present disclosure also relates to a corresponding method for production of ...
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WO/2019/003092A1 |
A furnace having a convection section with convection tubes in a convection compartment is disclosed. The convection tubes receive and preheat hydrocarbon feed primarily by convection of heat from hot flue gas that flows into in the conv...
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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/2018/234416A1 |
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/2018/231043A1 |
The present invention relates to a kiln for calcinating limestone and dolomitic sands to obtain quicklime (CaO). The invention also relates to a system for hydrating the quicklime inside the kiln to obtain hydrated lime (Ca(OH)2), also k...
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WO/2018/220520A1 |
A plant for the abatement of nitrogen oxides and their mixtures present in the fumes of parallel-flow regenerative lime kilns, comprising a first ducting (11), which collects the combustion fumes coming from the outlet of the two shafts ...
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WO/2018/215721A1 |
A facility comprising an industrial glass furnace (1) comprising a vessel (2) with molten glass (3), a heating chamber (4) for combustion situated above the vessel (2), and a duct for evacuation of flue gases in communication with said h...
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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/2018/153920A1 |
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/2018/147480A1 |
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/2018/141809A1 |
The present invention relates to damage detection systems for refractory linings for molten metal vessels, comprising an electrically conductive grid disposed underneath the surface of the refractory lining closest to a molten metal when...
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WO/2018/129666A1 |
A vertical vibration vacuum furnace comprises a furnace body, a furnace cover mechanism, a vertical excitation device, a heating device, a crystallizer, and a vacuum pumping unit. The furnace body is fixed on the vertical excitation devi...
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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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WO/2018/117605A1 |
The present invention provides a gas treatment apparatus and an operation method using the same, the gas treatment apparatus comprising: a cylindrical body which can pass through a container for a to-be-treated material and has openings ...
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WO/2018/115503A1 |
The disclosure relates to a lance tube (1) having a central through-hole extending along a longitudinal axis (A). The lance tube has a double-layered end portion (2) having an annular outer layer (4) of a high temperature corrosion resis...
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WO/2018/117733A1 |
The present invention relates to: a wireless sensor node capable of forming a self-organizing network; a fuel raw material tracking device and a blast furnace interior measuring device, which use the same so as to be capable of tracking ...
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WO/2018/110921A1 |
A blast furnace tap hole temperature measurement device according to an embodiment of the present invention may comprise: a temperature measurement unit for measuring a temperature value of a blast furnace tap hole; a ratio measurement u...
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WO/2018/105802A1 |
The present invention provides a block structure, a container comprising the same, and a construction method applied thereto. The block structure comprises: a main body having one surface extending in one direction and in another directi...
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WO/2018/097499A1 |
The present invention is a device for calculating the surface level of a molten metal accommodated in a container provided with an outlet, the device comprising: a measuring unit installed in the container so as to measure, at different ...
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WO/2018/093341A1 |
Invention relates to a vertical ring shaft kiln comprising a vertical burning region (1); an intermediate sintering zone (Z3) surrounded by a first wall (10) and an opposite second wall (20) at the burning region (1) to obtain a clinker ...
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WO/2018/090867A1 |
Disclosed are a system and method for preparing a titanium slag. The system comprises: a material-mixing device (100), the material-mixing device (100) being provided with an iron-containing titanium ore inlet (101), a reducing agent inl...
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WO/2018/087115A1 |
The invention relates to a sealing valve arrangement for a shaft furnace charging installation comprising a shutter (12) that cooperates with a valve seat (10) and a shutter-actuating device for moving the shutter (12) between a closed p...
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WO/2018/085514A1 |
A shaft furnace for producing metallic direct reduced iron (DRI) from iron-containing pellets or lumps and reducing gas disposed therein, including: a circumferential outer wall defining a top interior reducing zone, a middle interior tr...
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WO/2018/065661A1 |
According to an example aspect of the present invention, there is provided an apparatus (200) comprising: at least one processing core; at least one memory including computer program code, the at least one memory and the computer program...
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WO/2018/037957A1 |
The purpose of the present invention is to provide, as a furnace body protection stave to be set in the inner wall of the furnace body of a blast furnace, etc., a furnace body protection stave with which the probability of leakage of coo...
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WO/2018/030585A1 |
Provided is an apparatus for removing a bird's nest in a blast furnace, which inserts a capsule containing a melting agent into the bird's nest accumulated in the core of the blast furnace so as to effectively remove the bird's nest and ...
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WO/2018/012003A1 |
Provided are a reduced iron production device (1) and a reduced iron production method with which it is possible to prevent a reduction reaction of an iron oxide by a reducing gas from being suppressed by a carburizing gas when the reduc...
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WO/2018/010995A1 |
The invention relates to a discharge device for a shaft furnace comprising a rotationally driveable base (5) and a surrounding boundary wall (13) arranged above the base (5) for receiving fired material to be discharged lying on the base...
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WO/2017/221118A1 |
Disclosed herein is internally refractory and insulation lined furnace with a reinforcement anchor assembly attached to the outer surface of the shell of the furnace. Also disclosed herein is a method of repairing a furnace refractory li...
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WO/2017/214358A1 |
Methods, devices and systems for processing of solid materials, particularly fuel material solids such as carbonaceous fuel solids such as of granular form, to provide or result in an even distribution of the solid material. Hoppers are ...
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WO/2017/211956A1 |
The application relates to a method for the direct reduction of feedstock, containing metal-oxide to form metallic material, by contact with hot reduction gas in a reduction assembly (1), the product of the direct reduction process being...
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WO/2017/211939A1 |
The application relates to a method for the direct reduction of feedstock, containing metal-oxide, to form metallic material, by contact with hot reduction gas in a reduction assembly (1), the product of the direct reduction process bein...
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WO/2017/205882A1 |
The invention relates to a high-temperature insulating system (1) for thermally insulating a process chamber (2) of a high-temperature oven (3), which high-temperature insulating system has at least two insulation layers (4, 5) arranged ...
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WO/2017/190185A1 |
A smelting vessel includes a plurality of heat pipes (21) positioned in a refractory lining of at least a part of the hearth (9) for cooling at least a part of the refractory lining. At least one of the heat pipes includes (a) a liquid p...
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WO/2017/179755A1 |
The present invention relates to an integrated refractory management system for instantly grasping and managing the state of refractories, and a control method therefor, the integrated refractory management system comprising: a cable mod...
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WO/2017/153267A1 |
The invention relates to a method for operating a system having a furnace (1) which comprises at least two vertical shafts (2) that are connected by means of an overflow duct (3), wherein, above the overflow duct (3), in each case at lea...
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WO/2017/155428A1 |
The invention relates to waste incineration furnaces for incinerating waste or low-grade fuels. A method for thermally decontaminating solid municipal waste in molten slag includes loading a charge material into a working chamber, combus...
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WO/2017/149110A1 |
The invention relates to a furnace comprising at least two vertical shafts (1), each of which has a supply (3) of material to be heated at the upper end thereof and a heated material outlet (4) at the lower end thereof, and which are con...
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WO/2017/139900A1 |
An abrasion-resistant material for the working face of a metallurgical furnace cooling element such as a stave cooler or a tuyere cooler having a body comprised of a first metal. The abrasion-resistant material comprises a macro-composit...
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WO/2017/120123A1 |
Systems and methods for drawing high aspect ratio metallic glass-based materials are provided. Methods of drawing a high aspect ratio metallic glass-based material are premised on stably drawing high aspect ratio metallic glass-based mat...
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WO/2017/108998A1 |
A stockhouse arrangement for a metallurgical furnace comprises a set of storage bins (12) for granular material; a material feeding device (14) associated with said set of storage bins (12), the material feeding device (14) being arrange...
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