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WO/2020/048556A1 |
The invention relates to a thermal method with the aid of a pressure pipe reactor for carrying out, under continuous flow conditions, some chemical reactions on the surface of at least one solid reactant in a gas/solid phase reaction. Th...
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WO/2020/045755A1 |
A hot blast stove for a blast furnace according to an embodiment of the present invention comprises a combustion chamber, a heat storage chamber, a burner, and a plasma ignitor. The heat storage chamber is connected to the combustion cha...
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WO/2020/033118A1 |
A flash ironmaking drop tube furnace includes a primary reaction section having a refractory, an induction coil around the refractory, insulation located between the refractory and the induction coil, and a susceptor located inside the r...
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WO/2020/032470A1 |
A slag treatment facility according to an embodiment of the present invention comprises a slag treatment apparatus comprising a nozzle part capable of spraying a cooling gas at molten slag, wherein the nozzle part comprises: a first nozz...
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WO/2020/025508A1 |
A cooling box (10, 110) for a metallurgical furnace comprising an elongated hollow body (12, 112) extending from a front end (14), to an opposite rear end (16), said rear end (16) being, in use, connected to a wall of the furnace; the bo...
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WO/2020/027385A1 |
A method for predicting a residual tapping amount of a blast furnace comprises: an operation data collection system for collecting a plurality of operation data; a learning system for generating and managing a neural network-based predic...
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WO/2020/025815A1 |
The present invention relates to a process for the production of carbon dioxide and ammonia for the production of urea or ammonium carbamate from residual gases in the steel and metal industries, in particular basic oxygen furnace (BOF) ...
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WO/2020/023169A1 |
High heat flux furnace cooler comprise CuNi pipe coils cast inside pours of high purity (99%-Wt) copper. The depth of front copper cover over the pipe coils in the hot face to manufacture into the casting is derived from a projection of ...
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WO/2020/022631A1 |
A method for manufacturing molten iron, according to one embodiment of the present invention, comprises the steps of: receiving a reducing gas from a melter-gasifier to reduce iron oxide; receiving reduced iron from a reduction furnace t...
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WO/2020/021244A1 |
A method of providing an agglomerate, for example a pellet or a briquette, for use in iron- making and/or steel-making,is described. A mixture is provided by binding particles, including a ferrous material and a carbon material,using a b...
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WO/2020/017152A1 |
A stave (3L) comprises: a plate-shaped stave body (10) that is arranged along an inner side surface of a steel-shell furnace so that side surfaces thereof face each other; and a seal member (20) that is affixed to a lower surface side of...
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WO/2019/245958A1 |
One or more embodiments of a burner panel for a metallurgical furnace is described herein. One or more embodiments of a burner panel for a metallurgical furnace are described herein. The sidewall burner pockets have a burner panel therei...
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WO/2019/240828A1 |
A direct reduction system and process for reducing a metal oxide to a metal, including and utilizing: a process gas line configured to deliver a portion of a process gas to a reformer operable for reforming the process gas to form a refo...
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WO/2019/238720A1 |
The invention relates to a method for producing carburized direct-reduced sponge iron from iron oxide material (2). First, direct reduction is performed by means of a reducing gas consisting at least predominantly of H2, thereafter the c...
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WO/2019/233934A1 |
The present invention relates to a plant complex for producing steel, comprising a blast furnace (1) for producing pig iron, a converter steel mill (2) for producing crude steel, a gas pipeline system (3) for gases that occur during the ...
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WO/2019/232908A1 |
A novel thermocouple mounting method facilitating future temperature measurement in a blast furnace comprises the following steps: 1.) before a cooling wall (4) is mounted, axially machining a through hole in a cooling wall fixing bolt (...
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WO/2019/225963A1 |
The present invention relates to a runner comprising: a support extending vertically on one side of a melting furnace; and a body formed in a spiral shape surrounding the outer circumferential surface of the support, the body forming a m...
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WO/2019/225256A1 |
[Problem] With regard to a facility for producing direct reduced iron and production method, the present invention addresses the problem of solving the problem of impurities admixed from, e.g., iron ore powder, and toxic dissolved gases,...
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WO/2019/219340A1 |
The invention relates to a method for the direct reduction of iron ore using a reducing agent generated in an assembly of solid oxide electrolysis cell modules wherein the direct reduction of the iron ore is controlled dependent on the a...
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WO/2019/196910A1 |
Disclosed in the present invention is an iron oxide carbon-containing sintering-free mold brick for cupola and shaft furnaces, comprising component parts of an iron oxide, a carbon powder reducing agent and a lignosulfonate. The lignosul...
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WO/2019/197968A1 |
A delivery device (1) for delivering stock material into a blast furnace, the delivery device (1) comprising - a transition channel (3) for the stock material, defining a first axis (Y); - a chute (5) for delivering the stock material, a...
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WO/2019/192373A1 |
Disclosed is a method for directly producing titanium and titanium alloys using titanium ore. The method comprises the following steps: a ) mixing a titanium ore with a reducing agent, and then reacting same in a high-temperature furnace...
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WO/2019/192074A1 |
A pre-perforating pipe cast iron cooling wall and a manufacturing method. Said cooling wall comprises a cast iron cooling wall body (1) and a pre-perforating water pipe (2); the pre-perforating water pipe (2) comprises an outer-layer ste...
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WO/2019/192372A1 |
Disclosed is a method for directly producing titanium and a titanium alloy by using high titanium slag. The method relates to enabling direct chemical reaction at a high temperature between a single active metal having chemical activity ...
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WO/2019/189262A1 |
This powder ratio measurement device is capable of highly accurate real-time measurement of the powder ratio of powder adhered to the surface of a lump of a substance. This device is for measuring the powder ratio of powder adhered to th...
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WO/2019/189034A1 |
Provided is a blast furnace facility having a measurement means for accurately and quickly determining the surface profile of a furnace burden. This blast furnace facility comprises: a rotating chute for charging a raw material into the ...
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WO/2019/185866A1 |
The invention relates to a method for off-gas composition control, wherein the off-gas results from a smelting apparatus for smelting a metalliferous feed material, wherein the smelting apparatus comprises a smelting vessel, a smelt cycl...
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WO/2019/187997A1 |
The present invention prevents furnace core coke from becoming fine particles and promotes an ore reduction reaction when forming a mixed layer of coke lumps and an ore within a furnace in a blast furnace comprising a bell-less loading d...
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WO/2019/185863A1 |
The invention relates to a method for the recovery of zinc from zinc containing materials using a smelting apparatus for smelting a metalliferous feed material, wherein the smelting apparatus comprises a smelting vessel, a smelt cyclone ...
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WO/2019/187998A1 |
Provided is a method for loading raw materials into a blast furnace that makes it possible to efficiently reduce low-reactivity ore and to effectively stabilize the reduction state of ore within a furnace even when normal coke is used in...
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WO/2019/190960A1 |
An oxygen injection system for a direct reduction process, including: a common circumferential gas injection header adapted to be coupled to an oxygen source and an enrichment natural gas source and adapted to deliver oxygen from the oxy...
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WO/2019/186256A1 |
The present disclosure relates to a method of detecting crack propagation in a wall of a metallurgical furnace by a detection unit. The detection unit is configured to extract one or more dominant frequency parameters from the correspond...
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WO/2019/189025A1 |
Provided is a blast furnace facility having a measurement means for accurately and quickly determining the surface profile of a furnace burden. This blast furnace facility comprises: a rotating chute for charging a raw material into the ...
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WO/2019/185728A1 |
The invention relates to a pneumatic slag stopper for pneumatically sealing a tap hole channel (18) of a metallurgical vessel in relation to an outlet of slag by means of at least one gas flow introduced from at least one gas outlet open...
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WO/2019/185865A1 |
A process for smelting a metalliferous feed material to form a molten metal in a smelting apparatus, with the apparatus including (i) a smelting vessel that is adapted to contain a bath of molten metal and slag and (ii) a smelt cyclone t...
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WO/2019/175245A1 |
A stave protection system for a metallurgical furnace comprises: a stave (100) comprising a plurality of recesses (110) arranged on a front face (102) of the stave (100); and a plurality of inserts (200) each being received by a respecti...
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WO/2019/175244A1 |
A stave protection system for a metallurgical furnace comprises: a stave comprising a front face having an X direction and a Y direction which is perpendicular to the X direction such as to define an X-Y plane, the front face comprising ...
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WO/2019/166660A1 |
The invention relates to a method for recycling used cells such as saline cells, alkaline cells, button cells and used rechargeable batteries, by introducing the cells and/or rechargeable batteries as feedstock into a metal melting furna...
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WO/2019/168139A1 |
Provided is a device for measuring a surface profile of a charged material in a blast furnace, the device including an outer member inserted into an insertion hole formed in a sidewall of the blast furnace such that a transmission openin...
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WO/2019/161724A1 |
Disclosed is a method for operating a liquid slag flow control device having the functions of rapid replacement and handling accidents. When a straight pipe segment (37) of a slag drop pipe needs to be replaced during operation, a stoppe...
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WO/2019/161696A1 |
A liquid slag granulation and waste heat recovery apparatus, comprising a granulation chamber (205) and a moving bed (326). The inner wall of the granulation chamber (205) is uniformly provided with several cooling wall tubes (206), and ...
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WO/2019/161697A1 |
Disclosed is a liquid-state slag dry-type centrifugal granulation slag particle quality regulating method. The vitreous conversion rate of slag particles, the particle size and distribution of the slag particles, and the activity of the ...
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WO/2019/161640A1 |
A dry-type centrifugal granulation and waste heat recovery experimental device having multiple functions, comprising a slag heating melting and flow control unit, a slag corrosion abrasion experimental unit, a slag dry-type centrifugal g...
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WO/2019/161639A1 |
Disclosed is a dry type centrifugal granulation and waste heat recycling and utilization system for liquid molten slag, comprising a molten slag temporary storage and flow rate control module (1), a molten slag centrifugal granulation an...
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WO/2019/161637A1 |
A liquid molten slag dry-type centrifugal granulated slag particle size control method based on a liquid molten slag dry-type centrifugal graining system, the liquid molten slag dry-type centrifugal graining system comprising a temperatu...
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WO/2019/161638A1 |
A liquid slag dry centrifugal granulation and waste heat recovery system having a slag buffer and flow control function, comprising: a slag buffer and flow control unit (1), a granulation unit (2), a moving bed unit (3) and a waste heat ...
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WO/2019/156277A1 |
The present invention relates to a system for processing molten slag and, more particularly, to a quenching system for steelmaking slag equipped with an injection nozzle of which injection position is adjusted, wherein the process is per...
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WO/2019/150204A1 |
A plant is comprised of a blast furnace, an air separation unit, a top gas scrubbing facility, and compressor equipment. Nitrogen is removed from the blast furnace by gradually reducing the hot air supply to the blast furnace while incre...
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WO/2019/147920A1 |
A stave comprising a housing, an inner cooling fluid circuit comprising a cooling fluid inlet, a cooling fluid outlet and one or more cooling fluid pipes housed within, or cooling fluid passageways defined by, the housing, wherein each c...
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WO/2019/135279A1 |
In this ring block stacked structure, carbon blocks are stacked in a spiralling shape from two locations at the same time to facilitate furnace construction, shorten the construction period, extend the lifetime of the carbon blocks, and ...
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