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WO/2012/060838 |
A reformer tube apparatus includes an axially aligned tubular structure including a flange section, a top section, a middle section, and a bottom section. The top section of the axially aligned tubular structure includes a first portion ...
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WO/2012/059255 |
The invention relates to a method for removing CO2 from exhaust gases (4) of installations for producing pig iron or of synthesis gas plants, wherein the exhaust gases from which CO2 has been removed are subsequently used in a direct red...
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WO/2012/058717 |
A two stage ironmaking process is disclosed. A first stage includes solid state reduction of iron ore and producing a partially-reduced iron-containing feed material and an off-gas containing CO2 at a location that is in close proximity ...
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WO/2012/053291 |
The present invention provides an apparatus for producing molten metallic iron that can separate molten metallic iron from molten slag discharged from a rotary hearth furnace and collect only the molten metallic iron without having to pe...
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WO/2012/049974 |
This process for producing reduced iron comprises: a kneading step of adding water having a temperature of 60-90ËšC inclusive to a mixture comprising a powdery iron oxide raw material and a powdery reducing material and kneading the resu...
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WO/2012/047066 |
The present invention provides an ionic alkaline metal additive composition having functions for accelerating combustion and lowering melting point, comprising an alkaline metal compound which is ionized in liquid form in water, which is...
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WO/2012/047065 |
The present invention provides an adhesive composition for steel manufacturing having functions for accelerating combustion and lowering the melting point, comprising potassium carbonate or sodium carbonate, an amine-based surfactant, an...
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WO/2012/041173 |
A method for manufacturing a planar inorganic non-metallic material using a molten slag. The method comprises these steps: feeding the molten slag into a thermal insulated conditioning pool and maintaining the temperature of the molten s...
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WO/2012/040941 |
A siphon tapping device for blast furnace iron-making comprises a blast furnace(1) and a molten iron conveying passage(3) set along the direction of tap-hole(6) of the blast furnace. The tap-hole (6) of the blast furnace connects with a ...
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WO/2012/042352 |
The present invention concerns a method and an apparatus for producing DRI (Direct Reduced Iron) utilizing a high-oxidation reducing gas containing carbon monoxide and hydrogen, derived directly or indirectly from the gasification of hyd...
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WO/2012/040558 |
A molten metal flow controller (10) for a metal melt furnace having a tap hole (T) to release the molten metal from the furnace, where the controller (10) is configured to controllably release the flow of molten metal through the tap hol...
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WO/2012/034184 |
A molten bath-based direct smelting process includes controlling the process conditions in a direct smelting vessel so that molten slag in a molten bath of metal and slag in the vessel has a viscosity in a range of 0.5-5 poise in an oper...
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WO/2012/034312 |
A copper cooling stave with pipe reinforcing structure comprises a copper cooling stave body (1), at least a cooling water inlet pipe (2) and at least a cooling water outlet pipe (3). At least a cooling water passage (103) is provided in...
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WO/2012/034897 |
The present invention describes a process for dry granulation of hot liquid slag wherein the hot liquid slag is mixed with solid metallic particles so as to form a solidified, vitrified slag cake mixed with said metallic particles, said ...
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WO/2012/032379 |
A method and relative plant for treating metallurgical slag in order to segregate heavy metals in the slag by including them permanently in a crystal structure of the treated slag, the method comprising the steps of extracting the slag p...
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WO/2012/032073 |
The invention relates to an annular machine for the thermal treatment of solids, in particular for producing pellets from iron ore, comprising a plurality of gas-permeable gratings (1a, 1b) which are supported by a support structure (2a-...
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WO/2012/032927 |
In the invention, a cementite-containing product is produced by heating an iron oxide-containing substance, a carbonaceous reducing agent and an oxidizing agent at 400-900°C. Reduced iron is then produced by heating an agglomerate conta...
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WO/2012/030413 |
An alternative ironmaking process for simultaneously producing a highly metalized iron/steel product, coke from coal, an iron/steel product from an iron rich feedstock, and, optionally, energy using heat recovery. The simultaneous proces...
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WO/2012/029862 |
A system for feeding reduced iron material is provided which not only reduces cracks of particulate reduced iron material but also feeds the reduced iron material uniformly onto a hearth regardless of the width of the hearth. The system ...
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WO/2012/029670 |
The present invention provides a granular metal iron production method which can produce high quality granular metal iron with good yield by optimizing the physical states of an adhesion inhibiting material leveling apparatus, an agglome...
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WO/2012/029947 |
The purpose of the present invention is to provide a rotary hearth furnace exhaust gas duct apparatus which produces reduced iron or granular metal iron by heating a raw material containing a carbonaceous reduction material and an iron o...
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WO/2012/024835 |
A system for disposing high temperature solid state steel slag includes a working barrel (4), a feeding barrel (9), a liftable hydraulic bracket (12), a supporting device(13) and a transmission device(14). The working barrel (4) axially ...
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WO/2012/025321 |
The invention relates to a method for increasing the penetration depth of an oxygen stream having a volume flow and a mass flow entering the bed of an iron ore production unit, preferably a melt reduction unit or melter gasifier or an ox...
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WO/2012/022343 |
The invention relates to an aggregate containing coke and titanium, to a method for producing said aggregate, to the use of said aggregate to repair the lining of metallurgical vessels, and to a method for accelerating the formation of h...
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WO/2012/020656 |
A device for producing granular metal iron by placing a mass of a raw material mixture comprising a substance containing iron oxide and a carbonaceous reducing agent on a heath of a moving heath type heating furnace and heating the mass ...
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WO/2012/017312 |
The present invention refers to a panel (1) cooled with a fluid, for metallurgic furnaces (F), comprising a first chamber (2) having a face (2A) which, in assembly conditions, is destined to face the interior of a metallurgic furnace (F)...
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WO/2012/018394 |
Combined microwave heating and plasma/electric arc heating is utilized in several processes and apparatus which involve co-production of pig iron and high quality syngas, biomass to liquid fuel production, coal to liquid fuel production,...
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WO/2012/016833 |
The invention relates to a holding apparatus (27) for a drill rod (15) of a taphole drilling machine (10) and to a method for removing a drill rod from a drill rod receptacle (17) from a taphole drilling machine, wherein the taphole dril...
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WO/2012/016902 |
The present invention proposes a distribution device for a changing installation that has, a rotating and pivoting distribution chute. The device has a casing that rotatably supports a rotatable structure (hereinafter: rotor) to which th...
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WO/2012/016818 |
A distribution chute (10) of the rotate-and-pivot type comprises a chute body (12) having therein a channel (22) with an inlet (20) for receiving a flow of bulk material and an outlet (24) for discharging the bulk material. In operation,...
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WO/2012/016833 |
The invention relates to a holding apparatus (27) for a drill rod (15) of a taphole drilling machine (10) and to a method for removing a drill rod from a drill rod receptacle (17) from a taphole drilling machine, wherein the taphole dril...
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WO/2012/013689 |
A hearth (10) for a metallurgical reactor, in particular for a blast furnace, has an outer shell (12) and an annular wall lining (16; 216; 316) of refractory material inside the shell. The wall lining has a lower region with a multi-laye...
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WO/2012/011880 |
The invention relates to a composition of plastic refractory material intended for stopping-in tapholes of blast furnaces intended for molten iron production. The nature of the invention lies in an appropriate composition of material mad...
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WO/2012/011880 |
The invention relates to a composition of plastic refractory material intended for stopping-in tapholes of blast furnaces intended for molten iron production. The nature of the invention lies in an appropriate composition of material mad...
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WO/2012/007383 |
The invention relates to a method for producing pressed articles containing coal particles, to the pressed articles obtained in this way, and to the use of the pressed articles in methods for producing pig iron in a fixed bed or in metho...
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WO/2012/007385 |
The invention relates to a method for producing pressed articles containing coal particles, to the pressed articles obtained in this way, and to the use of the pressed articles in methods for producing pig iron in a fixed bed or in metho...
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WO/2012/008000 |
A transfer unit which forms a transfer path for lump ores comprises a plurality of first plates stacked in a predetermined direction, and a rod-shaped member penetrating the first plates and extending in the predetermined direction, each...
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WO/2012/002338 |
A process for producing a molten steel (G) is disclosed in which particulate metallic iron can be more efficiently melted. The process includes the step of melting, in an electric arc furnace (2), all charge for iron which comprises: par...
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WO/2011/160551 |
Apparatus for dry treating metallurgical molten slag comprises a molten slag leading-in unit (2, 3) and a treating furnace (1). The treating furnace (1) comprises a furnace body (9), a nozzle for granulating and cooling (4), and a multis...
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WO/2011/162427 |
The present invention relates to a furnace for reducing ore containing an iron oxide component, comprising a charge inlet port (110) into which a charge is inserted, and a reduced gas intake port (170) into which reduced gas is blown, wh...
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WO/2011/155417 |
Disclosed is a granular metal production method that further increases granular metal productivity, wherein agglomerates containing a metal oxide and a carbonaceous reducing agent are heated to reduce and melt the metal oxide contained i...
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WO/2011/151020 |
This invention relates to the production of hot metal, wherein granular raw materials containing iron oxide are partially reduced to a reduced mixture with a carbonaceous reducing agent in a fluidized bed reactor at a temperature of at l...
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WO/2011/147883 |
A process for manufacturing a vitreous slag comprises the steps of: • rotating a cone about a vertical cone axis, the cone comprising an external shell having a lateral surface; • cooling the lateral surface of the external shell; â€...
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WO/2011/147781 |
Tuyere stock arrangement (10) of a blast furnace comprising a tuyere body (20) configured for installation in a shaft furnace wall (12), the tuyere body (20) comprising a front face (24) facing an interior of the shaft furnace and an opp...
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WO/2011/147637 |
The invention relates to a device (2) for producing granules (4) from a mineral melt (6), comprising a melt feeder (8), a casing (12) which forms a wind tunnel (10) and surrounds a rotary atomizer (14), wherein the rotary atomizer (14) c...
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WO/2011/147630 |
The invention relates to a device (2) for producing granules (4) from a mineral melt (6), comprising a melt feeding device (8) and a rotary atomizer (10) having a rotatably disposed rotational body (12), the atomizing of the melt (6) int...
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WO/2011/147702 |
The invention relates to a method and an analysis device (18) for analyzing mineral or metal analysis particles (6), comprising a levitator (19) for storing the analysis particle (6) in a floating manner, a laser (25) for heating the ana...
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WO/2011/147640 |
The invention relates to a method for producing granules from a mineral melt (2), comprising the following steps: applying the mineral melt (2) to a rotational body (4), wherein the rotational body (4) is subjected to a rotational moveme...
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WO/2011/147631 |
The invention relates to a device for producing granules (2) from a mineral melt (4), comprising the following steps: applying the mineral melt (4) onto a rotational body (6), the rotational body (6) being subjected to a rotary movement ...
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WO/2011/147271 |
A process for preparing the ultrafine steel slag micropowder is provided. The trace iron included in the ultrafine steel slag micropowder is separated and recycled for multiple times in the pregrinding closed circuit system and the final...
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