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WO/2007/082633A1 |
A three hopper charging installation (10') for a shaft furnace is disclosed. It comprises a rotary distribution device (14) for distributing bulk material in the furnace by rotating a distribution member about the furnace central axis (A...
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WO/2007/071469A1 |
A rotary charging device for a shaft furnace, in particular a blast furnace, is disclosed. The charging device is equipped with a cooling system. The rotary charging device comprises a rotatable support for rotary distribution means as w...
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WO/2007/054308A2 |
Disclosed is a method for operating a shaft furnace, in which a top zone of the shaft furnace is charged with raw materials which sinks inside the furnace under the effect of gravity. A portion of the raw materials is melted and/or reduc...
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WO/2007/053016A2 |
The invention relates to a furnace (2), comprising : - a furnace pipe (8), - a positioning device (16) for positioning substrates (10) in the furnace pipe (8), - at least one heating element (60) for heating the furnace (2), - a gas inje...
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WO/2007/048490A2 |
The invention relates to a method and a device for charging feedstock, particularly coke or ore, and optionally separated fine moieties of feedstock, to process the same in a metallurgical vessel in order to produce metal or initial meta...
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WO/2007/039339A1 |
The present invention proposes a charging device (10) for charging a shaft furnace, comprising a rotary distributor (12) and a variable drive (14) for rotating the rotary distributor (12) about an essentially vertical axis of rotation (A...
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WO/2006/134165A2 |
A charging device for a shaft furnace comprises a distribution chute for bulk material and a drive mechanism for the distribution chute. The distribution chute has a trough-shaped main part with an open impact section and an outlet secti...
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WO/2006/135042A1 |
A firing furnace in which the risk of contaminating a material to be fired is extremely low even if it is not placed in a firing container, or the like, and a firing furnace by which uniform firing can be ensured with a simple structure ...
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WO/2006/118485A1 |
The invention relates to the iron industry and can be used for measuring a stock level and shape in shaft furnaces, in particular in a blast furnace. The inventive device for measuring the stock level and shape in a shaft furnace compris...
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WO/2006/117336A1 |
The invention relates to a method for the smelting of a ferrous load. More specifically, the invention relates to an organic load which may or may not be inherent to the ferrous load and which is subjected to combustion using a burner ox...
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WO/2006/111574A1 |
A vertical reduction furnace for the production of metallic iron by means of the direct reduction of iron ore (DRI), comprising an iron ore feed zone, an iron ore reduction zone, a metallic iron discharge zone (3), accumulation means (6)...
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WO/2006/106547A1 |
A selective dispensing device (1) is disclosed for limestone in vats (5a, 5b) of a regenerating oven adapted to arrange limestone with greater sizes next to an external wall (7a, 7b) of the vats (5a, 5b) and limestone with smaller sizes ...
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WO/2006/103709A1 |
A fuel delivering terminal (1) is disclosed adapted to be connected to a delivery end of a combustion lance (3) of lime regenerating ovens, wherein D is the external diameter of the terminal (1) and is greater that the internal diameter ...
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WO/2006/094370A1 |
The present invention concerns a pressurized loading system for blast furnaces by feeding solid particles by means of conventional belt or pipe belt conveyors (42) directly at the top of the furnace. The loading system including stock si...
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WO/2006/092053A1 |
Binding systems are described for applying compressive forces on the refractory hearth and/or refractory sidewall of a circular furnace having an outer metal shell which may be segmented. One preferred binding system comprises a tensioni...
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WO/2006/092654A1 |
A multilevel carborundum electric heating pipe type vitrification furnace comprises a plurality of segments of furnace bodies including a casing with an insulation layer provided inside, wherein, the insulation layer is provided with a s...
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WO/2006/085795A1 |
The invention relates to the iron-and-steel industry and can be used for direct steel alloying processes in steelmaking devices, steel-teeming ladles or out-of-furnace processing plants. The inventive plant for supplying material to a me...
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WO/2006/070424A1 |
A system (10) is disclosed for cyclically charging limestone in a regenerating oven (20) comprising storing and supplying means adapted to receive limestone supplied from charging means, to store and supply it alternately and cyclically ...
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WO/2006/069019A2 |
Systems and methods provide a cooling device for a blast furnace that may prevent an excessive amount of coolant from entering the blat furnace and may be easily installed in a conventional blast furnace. Systems and methods may provide ...
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WO/2006/056350A1 |
Charging material needs to be distributed evenly in an enclosure 30 in form of a furnace or reactor to ensure its best operation. To this end a charging material distribution inside the enclosure 30 of the furnace is used which has a mov...
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WO/2005/123896A2 |
A metallurgical process involves providing an ingredient enclosure and placing a plurality of granules of a first material in the ingredient enclosure. The first material contains a first ingredient in a metallurgical process. A metallur...
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WO/2005/118889A2 |
The invention relates to a tapping tube for a metal fusion vessel, for example, a converter or an arc furnace.
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WO/2005/118888A1 |
A device (20) for replacing a blast furnace runner allows the runner (14) to be transported between an upper, tapping floor level (16) and a lower, service level (42). This handling device (20) comprises an inclinable bridge (26) that ca...
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WO/2005/093105A1 |
A method for protecting a tuyere assembly (12) and a refractory lining of a furnace, and in particular a blast furnace, against damage caused by expansion of the refractory lining. This method comprises the steps of providing a clearance...
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WO/2005/090613A1 |
Method of constructing and installing a direct smelting unit comprising a smelting vessel (11). The vessel is prefabricated off site in three modules (11A, 11B, 11C) which are then transported to the installation site where they are hois...
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WO/2005/080611A1 |
A suction hood (10) for a metallurgical vessel (12), including a lid construction (16) having a size such that it extends over the opening in the metallurgical vessel (12), and provided with a channel (28). Means (26) are provided on the...
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WO/2005/075688A1 |
Cooling panels (31) are attached to the shell (11) of a metallurgical vessel to form an internal lining of the shell. Each panel (31) comprises a coolant flow tube (36) bent to form inner and outer panel sections (37, 38) of zig-zag form...
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WO/2005/071126A1 |
The invention relates to a method for producing iron-nickel alloys from oxide materials and to a device for carrying out said method. The inventive method consists in pre-reducing oxide materials containing at least 0.4-0.7 % of nickel b...
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WO/2005/064236A1 |
A sealing door (130) reciprocates in a horizontal manner to close or open an opening. A downwardly-depending sealing gasket (153) is provided along the periphery of the opening, for sealing against the door when the door is pressed upwar...
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WO/2005/061739A1 |
The inventive device comprises a reactor which is embodied in such a way that it is demountable, the top stationary part thereof is fixed to a bed plate (11) and the lower part is connected to said bed plate (11) by means of fixing mecha...
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WO/2005/054519A1 |
A method of manufacturing a cooling plate comprises following steps: pro- viding a metallic plate body (10) with a front face (12), a rear face (14) and at least one channel (22) extending through the metallic plate body beneath the fron...
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WO/2005/054088A2 |
The invention relates to a method and a device for transporting solid matter. To increase the fluidisation capacity of solid matter, which has essentially been ground to form a fine powder, in a carrier gas, a flow-conditioning agent is ...
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WO/2005/044492A1 |
In order to drill a tap hole in a furnace, using a bore crown (1) which comprises a plurality of projections (3,8) on the drilling surface thereof, said bore crown (1) is driven over a first partial area of the drill hole to be produced ...
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WO/2005/035797A1 |
The invention relates to a method for collecting and treating reaction gases from a production plant (1) for molten metal. Substances used, containing metal, are introduced into a metallurgic container in a solid of liquid form and are c...
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WO/2005/028683A2 |
The invention relates to a shaft furnace-loading device comprising: two parallel transfer tanks (16, 16'), a device (20) which is used to distribute the material and which comprises a rotary, swinging chute (24), and a connecting casing ...
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WO/2005/012457A1 |
A carbonizing device capable of easily carbonizing a treated matter in a specified carbonized state and installable in a small installation space, comprising a carbonizing furnace (6) having a treated matter supply part (33), a carbide t...
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WO/2005/005669A1 |
There is provided a driving apparatus for a blast furnace charging distribution chute capable of uniformly distributing charging material. The driving apparatus for a blast furnace charging distribution chute includes: a drving unit comp...
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WO/2004/113576A2 |
The invention relates to a nozzle device and to an associated metallurgical melting pot for introducing fluid media into a melt. The nozzle device is configured, at least at one end, to permit the connection of an axially fed nozzle devi...
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WO/2004/111275A1 |
The invention relates to a cooling element (1) to be used in the structure of a pyrometallurgical reactor, such as a furnace, employed in metal processes, said cooling element comprising a housing (2) made of copper or copper alloy, prov...
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WO/2004/106828A1 |
A method for burning lumps of material, in particular limestone, is carried out in a regeneration shaft kiln (3) with at least two kiln shafts (1, 2) interconnected by an overflow line (19) and in which the material to be burned passes t...
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WO/2004/106831A1 |
In order to cool a process container (1), several cooling elements (5,5',5') are fixed to the outer side of a metal container wall (2) by means of threaded bolts (21) that are welded to the container wall (2) in several places. The clamp...
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WO/2004/090172A2 |
A cooled furnace wall comprises a furnace shell with an inner and an outer side and cooling plates (14, 14') lining the inner side of said furnace shell. Each of the cooling plates (14, 14') has a plate body (20, 20') and protruding conn...
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WO/2004/090173A1 |
A direct smelting plant for producing molten metal from a metalliferous feed material is disclosed. The plant includes a fixed smelting vessel to hold a molten bath of metal and slag and a gas space above the bath. The plant also include...
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WO/2004/090174A1 |
A solids feed means for a direct smelting plant is disclosed. The solids feed means includes 2 or more pairs of lances for injecting solid feed materials for a direct smelting process into a direct smelting vessel. The solids feed means ...
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WO/2004/072309A2 |
For the prognosis of a value of a characteristic of a product which is to be produced with the aid of a neuronal network, the history of the product is taken into account when determining an input variable of an input neuron of the neuro...
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WO/2004/063397A1 |
The invention relates to a method and a device for the controlled charging of a reactor vessel used in chemical and/or physical methods, especially in metallurgy, with a lumpy feedstock, and the uses thereof. Said device comprises a conv...
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WO/2004/058433A2 |
Application of amplitude and frequency modulated helically traveling (rotating and axially traveling) electromagnetic fields in metallurgical and chemical technologies and foundry can considerably increase the hydraulic efficiency of MHD...
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WO/2004/044510A1 |
The invention concerns a device for low inertia, fast and reproducible controlled balancing of overpressure or depression spaces. Said device mainly consists of a closure cover (1) adapted to the geometry of the space wall, comprising at...
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WO/2004/042279A1 |
A waste treatment facility (1) characterized by comprising a measuring hopper (2) for respectively measuring the quantities of waste being treated, e.g. general and industrial waste, and solid fuel, e.g. coke or coal, charged into the ho...
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WO/2004/042105A1 |
The invention relates to a method for preparing a coating for pyrometallurgical furnace cooling elements. The purpose of the invention is to attain a method for the formation of a coating on a metallurgical furnace cooling element in a s...
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