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Matches 1 - 50 out of 29,957

Document Document Title
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...  
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 ...  
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...  
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...  
WO/2018/123726A1
The purpose of the present invention is to provide a brick for blast furnace hearths, which has excellent hydration resistance and improved hot metal resistance and slag resistance. According to one aspect of the present invention, a bri...  
WO/2018/117731A1
The present invention provides an apparatus and a method for charging material profiling, the apparatus and method tracking charging materials and being used for a blast furnace operation by using inventory information on the charging ma...  
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 ...  
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 ...  
WO/2018/116090A1
Systems and processes to produce direct reduced iron with a gaseous reducing stream having less than 10 mol.% nitrogen (N2) and greater than 80 mol.% methane (CH4) are described. A process includes separating N2 from a gaseous stream to ...  
WO/2018/110521A1
Provided is a method for operating a blast furnace that makes it possible to control the component concentration of a blast furnace raw material to a target component concentration even when the component concentration of a sintering raw...  
WO/2018/107251A1
"Metallurgical treatment of steel slag for use as an addition to Portland cement", pertaining to the sector of metallurgical treatment of liquid or molten steel slag, relates to a process in a pyrometallurgical reactor for treating liqui...  
WO/2018/109900A1
This fuel supply system is provided with: a fuel supply device 10 comprising a cylindrical member 30 that is mountable to a mounting part provided in a blast pipe 4 of a blast furnace 1, a hollow-shaped rotating member 40 that is rotatab...  
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...  
WO/2018/105910A1
A molten iron manufacturing facility, according to the present invention, comprises: a fluidized reduction furnace which manufactures reduced iron by reducing iron ore fines; a melter gasifier which receives the reduced iron from the flu...  
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...  
WO/2018/104447A1
The invention relates to a method for handling a slag pot or tank or pyrometallurgical tools made of steel or cast iron, comprising the steps of spraying a mineral suspension on a wall and activating the operation of said slag pot or tan...  
WO/2018/107006A1
Disclosed are methods useful in applications relating to blast furnace processes. The methods of the present invention provide enhanced deposition inhibition of particulate matter in top-pressure recovery turbines. The methods of the pre...  
WO/2018/105652A1
This method for evaluating the volume of slag on the surface of molten metal includes: a preparation step of measuring the thickness of a plurality of pieces of slag having mutually different thicknesses, floating on the surface of molte...  
WO/2018/104448A1
The invention relates to a method for handling a slag pot or tank or pyrometallurgical tools, comprising the steps of spraying a mineral suspension on a wall and activating the operation of said slag pot or tank or pyrometallurgical tool...  
WO/2018/099694A1
The invention relates to a method for the production of a syngas containing CO and H2 from a stream of light hydrocarbons and from a gas feed comprising H2 originating from an industrial plant comprising at least one air heater (100), a ...  
WO/2018/098817A1
A metallurgical furnace (10) of the convertible type to an electric arc furnace or to a converter for conducting production processes for the production of metals in the molten state, in particular steel or cast iron, it comprises a vess...  
WO/2018/101287A1
Provided are a powder ratio measuring device and a powder ratio measuring system capable of measuring in real-time and with high accuracy the powder ratio of powder adhered to the surface of a bulky substance used as a raw material in an...  
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 ...  
WO/2018/095577A1
The invention relates to a method for heating a blast furnace stove wherein fuel is combusted in a burner in a combustion chamber in the stove. Combustion gases from the combustion chamber are provided to heat the refractory material in ...  
WO/2018/094886A1
A direct reduction process of a coal-based shaft furnace for producing sponge iron, comprising the following steps: uniformly mixing iron ore concentrate and a binder, and then mixing those with a reducing agent and a desulfurizing agent...  
WO/2018/094453A1
A continuous process for low temperature reduction of metal oxides from carbonaceous material, using in situ produced reducing gas. In particular, a method of reducing metal oxide to metal in a continuous process comprising: (a) continuo...  
WO/2018/091028A1
The invention relates to a method for operating a direct reduction reactor (1) for producing direct-reduced iron (2) from iron ore (3), wherein the CO2- and H2O-containing furnace gas (4) arising in the production of direct-reduced iron ...  
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...  
WO/2018/083434A1
Future hydrogen smelting of crushed hematite iron ore employing melt circulation technology is described with particular emphasis on energy conservation resulting from charging the crushed ore to multiple locations along the total length...  
WO/2018/084553A1
The present invention relates to a high-efficiency hybrid separation process technology using an adsorbent and a separation membrane, which can selectively separate and purify carbon monoxide from industrial byproduct gases, in particula...  
WO/2018/082001A1
A novel top-combustion hot blast stove, comprising a mixing chamber (1), a combustion chamber (2) and a regenerator chamber (3); walls of the mixing chamber (1) consist of a cone roof wall on the upper portion and a column cavity wall on...  
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...  
WO/2018/076048A1
A process for direct reduction of iron ore in a solid state is disclosed. The process operates under anoxic conditions with biomass as a reductant and with electromagnetic energy as a source of heat.  
WO/2018/078477A1
Certain embodiments are directed to methods of producing direct reduced iron (DRI), the methods including contacting a target mixture comprising a solid carbonaceous reductant and an unreduced iron material (e.g., Fe2O3) with a reducing ...  
WO/2018/074700A1
Provided is a method for manufacturing molten iron in which a raw material and a reducing agent are charged into a melter-gasifier and oxygen is blown to manufacture molten iron, and a reducing gas is supplied to a reducing furnace to re...  
WO/2018/073891A1
A ferronickel production method characterized in that saprolite is melted and ferronickel is obtained by charging saprolite and a reducing agent from the upper part of a furnace body in a smelting furnace provided with a lance that is im...  
WO/2018/068818A1
The invention relates to a drilling crown (11) for the drilling, more particularly the rotary-percussive drilling, of a hole, more particularly of a tap hole of a melting furnace. The drilling crown (11) has a drilling head (10) comprisi...  
WO/2018/058951A1
A vortex mixing method for smelting reduction of iron. The method comprises the following steps: (1) placing pig iron in an induction furnace, heating till melting to form molten iron, and ensuring that the temperature of the molten iron...  
WO/2018/056171A1
In this surface detection device for a blast furnace, an antenna is fixed to a side surface of a container that is attached to an opening part of a blast furnace and has a bottom surface that is open in correspondence with the opening pa...  
WO/2018/057025A1
A method for producing direct reduced iron having increased carbon content, comprising: providing a carbon monoxide-rich gas stream; and delivering the carbonmonoxide-rich gas stream to a direct reduction furnace and exposing partially o...  
WO/2018/054848A1
A Material hopper, in particular for a blast furnace, comprises a containing hollow shell (12) for storing material, the shell comprising an upper shell part (20) with an inlet portion () and an asymmetric funnel-shaped lower shell part ...  
WO/2018/046137A1
Hood for covering the upper side of the disc-shaped closing body of a closure of a bulk material lock against deposits of bulk material.  
WO/2018/043101A1
The present invention pertains to a method for producing coke for ironmaking, the coke having a representative strength of 2.5 MPa or higher, and the method including dry-distilling of raw material coal and a caking additive at a tempera...  
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...  
WO/2018/033056A1
A blast furnace gas recycling system, comprising a dry-type bag-type dust collecting device (1), an organic Rankine cycle power generation device (2), a multistage compressor device (3) and a fuel gas-steam combined cycle power generatio...  
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 ...  
WO/2018/025585A1
Provided is a reduced iron production method with which recovery of highly pure metal iron at high efficiency and reduced load on crushing equipment are possible. Said method comprises: a reducing step for reducing iron oxide by heating ...  
WO/2018/024767A1
A method and apparatus for producing direct reduced iron, said method comprising producing direct reduced iron using a pre-treated make-up gas as a reducing agent in a direct reduced iron reactor (10), and wherein producing direct reduce...  
WO/2018/026054A1
The present invention relates to a molten iron manufacturing apparatus and a molten iron manufacturing method, and can provide a molten iron manufacturing apparatus and a molten iron manufacturing method, the apparatus comprising: a melt...  
WO/2018/026101A1
The present invention provides an apparatus for pressing cheek plates, which is provided in briquette manufacturing equipment and brings the cheek plates into close contact with rolls by pressurizing the cheek plates on the side surfaces...  

Matches 1 - 50 out of 29,957