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WO/2014/033257A2 |
The invention relates to a combustion furnace (100) with a combustion chamber (110), in which at least one burner device (10) for feeding a combustion gas/air mixture into the combustion chamber (110) is arranged, wherein the burner devi...
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WO/2014/029913A1 |
The invention relates to a method and to an arrangement for feeding fine-grained matter to a concentrate or matte burner (1) of a suspension smelting furnace (2). The arrangement comprising a fluidization arrangement (3) for feeding flui...
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WO/2014/024213A1 |
Method for the production of lime carried out in a suitable twin shaft regenerative calcination furnace, said furnace comprising one or more blowers, all provided with frequency converters, and a plurality of process valves among which a...
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WO/2014/025390A1 |
A furnace system includes at least one lower radiant section having a first firebox disposed therein and at least one upper radiant section disposed above the at least one lower radiant section. The at least one upper radiant section has...
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WO/2014/012891A2 |
A rotary charging device for a shaft furnace comprising: a stationary housing (16) and a suspension rotor (22) that is supported so that it can rotate about a substantially vertical axis (A), a charge distributor (28) being pivotally sus...
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WO/2014/012890A2 |
A rotary charging device for a shaft furnace comprises a stationary housing (16) for mounting on the throat (12) of the shaft furnace and a suspension rotor (22) supported therein so that it can rotate about a substantially vertical axis...
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WO/2014/013169A1 |
The invention relates to a device (30) for extracting and transferring high‑temperature granular mineral materials contained in a first chamber comprising a fixed upper part (32) and a mobile lower part (34) delimiting a duct (36), the...
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WO/2014/013171A1 |
The invention relates to a vertical-shaft kiln (2) for producing a clinker comprising a tubular enclosure (4) comprising, from top to bottom: a feeding section (14); a decarbonatation section (16) having an inclined inner surface (16a); ...
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WO/2014/008877A1 |
The invention relates to a cooling element for a melting furnace, having at least one cooling pipe for passing through a coolant, and having a support element (21) to which the at least one cooling pipe (2, 20) is fastened, wherein at le...
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WO/2014/006073A1 |
Installation for distributing granular or pulverulent substance by pneumatic transportation, comprising at least one dispatch silo (3) for the temporary storage of said granular or pulverulent material, the dispatch silo being designed t...
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WO/2013/163973A1 |
The invention relates to a low-shaft arc furnace with a shaft tube, in which at least one electrode is arranged so that it can move axially, a scrap feed in which at least one electrode is arranged so that it can move axially, a scrap fe...
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WO/2013/164297A1 |
The invention relates to a metallurgical plant (1) for isolated operation, and to a method for supplying a metallurgical plant (1) with electrical energy in isolated operation. The metallurgical plant (1) comprises two or more metallurgi...
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WO/2013/155625A1 |
An apparatus includes a tuyere, a plasma torch positioned to inject hot gas into the tuyere, and a plurality of nozzles configured to inject a combustible material into the tuyere for combustion of the combustible material within the tuy...
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WO/2013/143526A1 |
The invention relates to a supply device for a shaft furnace connected to a gas extracting unit, having a feed device leading to the head of the upper vessel of the furnace and a loading device at least partially integrated in the atmosp...
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WO/2013/136841A1 |
The purpose of the present invention is a metal melting furnace and a metal melting method that preemptively prevents ignition of exhaust gases, including carbon monoxide, in the vicinity of the exhaust vent and make it possible to prehe...
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WO/2013/082658A1 |
A method of starting a molten-bath based melting process includes commencing supplying cold oxygen-containing gas and cold carbonaceous material into a main chamber of a smelting vessel within at most 3 hours after completing a hot metal...
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WO/2013/082659A1 |
A method of starting a smelting process in a smelting vessel includes heating frozen slag and forming molten slag and draining molten slag from a forehearth connection via a forehearth and establishing a clear flow path through the foreh...
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WO/2013/079265A1 |
The invention relates to a bridge-like supporting structure made of fireproof ceramic stones, wherein two outer, end bearing stones have a largely horizontal step on the inner side of the outer, end bearing stones and a keystone arranged...
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WO/2013/077764A1 |
The invention relates to metallurgy and can be used in other branches of industry that require cooling of units and where operational reliability of the installation is essential. Each group of cooled units which are situated at the same...
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WO/2013/068333A1 |
The system of leaktight connection between a tuyere (4) of a shaft furnace, such as a steel-making blast furnace, and a blast inlet nozzle (3), in which a tip of the nozzle is pressed against a rear end of the tuyere, being centred on th...
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WO/2013/053644A1 |
A blast furnace installation comprises a blast furnace and a chute transmission gearbox (20); the blast furnace comprising a top cone (12) with a top cone ring (24) arranged thereon for receiving a connection flange (28) of the chute tra...
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WO/2013/053635A1 |
The invention relates to a method for producing an expanded granulate from sand grain-shaped material (1) using a propellant; the material (1) is fed into an upright furnace (2) and falls along a drop section (4) though multiple heating ...
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WO/2013/053890A1 |
The invention provides an apparatus for conducting interaction between gases and solid particles. The apparatus has a vertical hollow shaft with a vertical row of constrictions formed internally and defining a series of intercommunicatin...
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WO/2013/045534A1 |
The present invention provides a method for decreasing the temperature of blast-furnace gas temperature peaks which is characterized in that the pressure of the blast-furnace gas is being measured continuously, and injection of water int...
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WO/2013/023950A1 |
A blast furnace installation comprises a blast furnace (10), a gas cleaning unit and lateral top gas extraction tubes connected between an upper topcone (14) of the blast furnace (10) and the gas cleaning unit. According to an aspect of ...
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WO/2013/014051A1 |
A charging device for a shaft furnace comprises a main casing and at least one nozzle for introducing a clean gas into the casing. According to an important aspect of the invention, a controller is configured to adapt the supply (the flo...
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WO/2013/013972A2 |
A rotary charging device for a shaft furnace comprises a stationary housing (112) for mounting on the throat of the shaft furnace; and a suspension rotor (114) with a charge distributor, said suspension rotor being supported in the stati...
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WO/2013/014257A1 |
The invention relates to a carbon brick for lining, more particularly internal lining, smelting and reduction ovens, more particularly blast furnaces, said carbon brick having a surface, one area of the surface providing a process side o...
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WO/2013/010725A1 |
The invention relates to a melting reduction assembly (1) and to a method for operating a melting reduction assembly having loading devices for solid carbon carriers and ferrous input materials having a melting gasification zone, which c...
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WO/2013/009824A1 |
A stave/brick construction, comprising: a stave having a plurality of ribs and a plurality of channels, wherein a front face of the stave defines a first opening into each of the channels; a plurality of bricks wherein each brick is inse...
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WO/2013/006875A1 |
The invention relates to a shaft furnace for the heat-induced foaming of particles of a bulk material, wherein the particles to be foamed pass into the furnace shaft (1) through the upper end face (6) thereof, flow through said shaft fro...
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WO/2013/002028A1 |
Provided is a furnace for a glass base material in which arc discharge occurring inside the furnace is prevented. The furnace for a glass base material comprises: a furnace core tube (3) into which the glass base material is supplied; a ...
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WO/2012/175335A1 |
The invention relates to a distribution chute (100) for a charging device of the rotary pivotal type, e.g. for a shaft furnace. The chute has an upstream mounting head (114) and a chute body (112) having an elongated downstream chute por...
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WO/2012/145820A1 |
The efficiency of heat transfer to a furnace tube or coil in a furnace for cracking ethane, propane or naphtha feedstocks, or a mixture thereof may be improved by providing protuberances on the surface of the tube or coil having i) a max...
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WO/2012/130895A1 |
A charging installation (10) of a shaft furnace comprises a first storage hopper (12) and a second storage hopper (12'), arranged in parallel with respect to each other; each of the first and second storage hoppers (12, 12') having an in...
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WO/2012/107322A1 |
A stave cooler (10) for a metallurgical furnace, in particular for a blast furnace, comprises a panel-like body (12) having a front face (14) for facing the interior of the metallurgical furnace and an opposite rear face (16); and at lea...
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WO/2012/097704A1 |
Disclosed in the present invention is a split type expansion furnace for vitrifying micro beads, which comprises a furnace frame (1), a furnace body (2), support posts (3), furnace outlets (4), a heating element (5), guiding wheels (6), ...
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WO/2012/079797A1 |
The invention relates to a granulation installation (10) for a melt produced in a metallurgical plant, especially for blast furnace slag. It has a water injection device (20) for quenching and thereby granulating the melt and a granulati...
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WO/2012/082534A1 |
A hydraulic distributor for safely and efficiently top charging a bell-less blast furnace. The hydraulic distributor includes a main housing, an inner ring, a trunnion, and an actuator ring, which act together to lift and rotate the dist...
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WO/2012/072332A1 |
The invention relates to a device for combusting and/or calcining fragmented material, substantially comprising at least one combustion shaft and at least one cooling shaft, wherein the at least one combustion shaft comprises at least on...
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WO/2012/065519A1 |
Disclosed is a complete equipment for vitrified microsphere gas expansion furnace, which includes a frame body (1), a preheating furnace (2) and an expansion furnace set on the frame body (1), and a feeding pipe (4) set in the center of ...
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WO/2012/060157A1 |
This vertical kiln (1) is provided with an outer tube (2) and an inner tube (3), and is provided with a starting material pathway (20) therebetween. A fired article discharge mechanism that discharges fired articles from the kiln is prov...
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WO/2012/048474A1 |
A method for recycling noble metals from electronic waste materials and apparatus thereof. The method comprises the following steps: mechanically breaking up the electronic waste materials; removing rubber and plastic materials by electr...
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WO/2011/000966A9 |
The invention relates to an upper or lower sealing valve arrangement for a shaft furnace charging installation. The arrangement comprises a shutter-actuating device (20; 120; 220; 320; 420) for moving a shutter (10) between a closed posi...
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WO/2012/022067A1 |
A process for calcining fine lime is provided. The fine limestone particles with water content of less than 4% and particle size of less than 15mm are conveyed to the small silo from the raw materials storehouse for temporary storage, an...
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WO/2012/016902A1 |
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/2012/016833A2 |
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/2012/016818A1 |
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/2012/013689A1 |
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/2011/149439A1 |
The inventions relate to the electrode industry and, in particular, to methods for producing graphite materials by the calcination of loose carbon materials. In the method, which comprises loading the material into an electrocalcinator, ...
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