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Patent Searching and Data


Matches 451 - 500 out of 10,351

Document Document Title
WO/2005/085735A1
A device for the intake, processing and offtake of gases in an arc furnace conceived of a housing (1) with openings (5) through which electrodes (6) are positioned and an opening (11) to which an exhaust duct (12) is connected, said duct...  
WO/2005/085732A1
The invention relates to a method for processing aluminium in a furnace consisting in introducing an aluminium-containing material and possibly one or several types of salt into the furnace, melting said material by heating with the aid ...  
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...  
WO2005022060A3
The electrode arrangement uses vertically oriented electrodes (4) with side wall contacts (7) for an electrothermic smelting furnace (1) for aluminum production. The side wall contacts (7) are radially moveable into the furnace (1) to co...  
WO/2005/071335A2
The invention provides for a pressure ring assembly [10] suitable for use in an electric arc furnace, wherein the pressure ring assembly [10] comprises at least two pressure ring segments [22] engaging each other, at least one contact sh...  
WO2005025774A3
A method and apparatus for optimized mixing in a common hearth in a plasma furnace. The apparatus provides a main hearth, a plurality of optional refining hearths, and a plurality of casting molds or direct molds whereby the refining hea...  
WO/2005/052196A2
Method and plant for pre-heating, transforming and melting a metal charge comprising metal scrap, in an electric arc furnace (12) associated with a tunnel (11) to transport, pre-heat and discharge the scrap. The furnace (12) comprises a ...  
WO/2005/052481A1
The aim of the invention is to allow for the troublefree charging of a crucible with scrap metal with different composition, such as light scrap and heavy scrap, from a lower outlet opening of a shaft-type charging device (1) by means of...  
WO2004106830A3
Slag retention means for protecting a water-cooled furnace element by means of an elongate metal member (425) which extends from inside the furnace, through the furnace wall and into the cooling water of the furnace element so that the i...  
WO/2005/045341A1
A plurality of rails (13) are laid at the opposite end parts of an electric melting furnace (1), an arbitrary number of electrodes (2, 2A) are secured to two sets of electrode supporting bases (11) on these rails, and the movable shaft (...  
WO/2005/040433A2
The present invention relates to a direct smelting plant and a direct smelting process for producing molten metal from a metalliferous feed material, such as ores, partly reduced ores, and metal-containing waste streams, the latter of wh...  
WO2004113576A3
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...  
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...  
WO/2005/033602A1
An annular chamber furnace consisting of a plurality of chambers which are arranged successively or close to one another. Each chamber comprises a number of parallel heating walls guiding process gas. Said heating walls are disposed betw...  
WO2005005900A3
A burner and oxygen-injection device (35) for a melting furnace (30) comprising one or more injectors (3, 3', 3") consisting of an internal pipe (1) and a head (2), which is fixed to one end of said hollow body and is provided with a noz...  
WO/2005/031234A1
The invention relates to an industrial oven which is used to melt non-ferrous metals and for gas treating non-ferrous metals.  
WO/2005/025774A2
A method and apparatus for optimized mixing in a common hearth in a plasma furnace. The apparatus provides a main hearth, a plurality of optional refining hearths, and a plurality of casting molds or direct molds whereby the refining hea...  
WO/2005/022062A1
The invention relates to an electric reducing furnace (1) for carrying out reduction processes, particularly for reducing slag in order to recover metallic constituents. The electric reducing furnace operates with electrical energy that ...  
WO/2005/022060A2
The electrode arrangement uses vertically oriented electrodes (4) with side wall contacts (7) for an electrothermic smelting furnace (1) for aluminum production. The side wall contacts (7) are radially moveable into the furnace (1) to co...  
WO/2005/005900A2
A burner and oxygen-injection device (35) for a melting furnace (30) comprising one or more injectors (3, 3', 3') consisting of an internal pipe (1) and a head (2), which is fixed to one end of said hollow body and is provided with a noz...  
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...  
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...  
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...  
WO/2004/106830A2
Slag retention means for protecting a water-cooled furnace element by means of an elongate metal member (425) which extends from inside the furnace, through the furnace wall and into the cooling water of the furnace element so that the i...  
WO/2004/099453A1
The invention relates to a method for the treatment of aluminum in a furnace, wherein a material containing aluminum and optionally one or several salts is introduced into the furnace, the material is melted by adding heat with the aid o...  
WO2004044509A3
An injection lance (4) for injecting a fluid over a predefined target area (2A,2B) within a system includes a support block (10) with an inlet side (14) and an outlet side (16). A plurality of channels (12) are disposed non-parallel with...  
WO/2004/083756A1
A high frequency inductive melting furnace system comprises: an input transformer for transforming voltage fed from a high frequency power supply; a rectifier, connected across the output of the input transformer, for rectifying AC volta...  
WO2004058431A3
A method and apparatus for optimizing melting of titanium for processing into ingots or end products. The apparatus provides a main hearth (56), a plurality of optional refining hearths, and a plurality of casting molds (58a, 58b) or dir...  
WO/2004/078385A1
An apparatus for treating molten metal includes a treatment vessel for holding molten metal and a removable cover or hood for the vessel. Sealing means are provided between the cover and the vessel to provide a gas tight treatment zone. ...  
WO/2004/074523A2
A metal melting closed furnace which includes a main chamber (22), a circulation well (28) connected to the main chamber (22) by a communications passageway (32) and a vortex well (84) having an exit outlet for molten metal into the main...  
WO/2004/067210A1
A method of dispensing or pouring molten metal, e.g., aluminum, from a container or vessel, the flow rate controlled to minimize splashing of the molten aluminum exiting the container, the method comprising the steps of providing a conta...  
WO/2004/065643A1
A method and apparatus for increasing spatial energy coverage in a furnace is provided. The apparatus of the present invention includes a panel positioned at least partially into a sidewall of a furnace. The panel includes a plurality of...  
WO/2004/063653A1
Plant for the melting of primary and secondary aluminium, provided with a rotating furnace, internally equipped with a spiral element (11), that realizes the melting of the aluminium not using a salty bath, in association with a channel ...  
WO/2004/063651A1
A graphite electrode that can be effectively prevented from oxidizing and consuming during operation of an electric steel furnace, so that specific consumption of the electrode can be improved. The graphite electrode is used in an electr...  
WO/2004/058431A2
A method and apparatus for optimizing melting of titanium for processing into ingots or end products. The apparatus provides a main hearth (56), a plurality of optional refining hearths, and a plurality of casting molds (58a, 58b) or dir...  
WO/2004/056505A1
The invention relates to a gas flushing device for metallurgical melting pots, having the following construction: a porous plug is arranged in an upper cylindrical housing at the gas outlet end thereof and in a lower cylindrical housing ...  
WO/2004/057042A1
A method for manufacturing molten iron including producing reducing material of mixed hot fine direct reduced iron and calcined additives, the reducing material being produced from multiple fluidized beds; charging the reducing material ...  
WO/2004/048869A1
A material feeding apparatus for a rotary hearth furnace capable of uniformly and dispersedly feeding agglomerated materials, which tends to be pulverized, deformed, or adhered to each other into the rotary hearth furnace by using a flat...  
WO2004038317A3
The invention relates to a metallurgical melting container.  
WO/2004/044509A2
An injection lance (4) for injecting a fluid over a predefined target area (2A,2B) within a system includes a support block (10) with an inlet side (14) and an outlet side (16). A plurality of channels (12) are disposed non-parallel with...  
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...  
WO/2004/044511A1
The invention relates to a metallurgical melting vessel comprising a fireproof ceramic lining through which a tuyere arrangement (20) for introducing a fluid into a molten metal extends. Said tuyere arrangement comprises the following el...  
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...  
WO/2004/038317A2
The invention relates to a metallurgical melting container.  
WO/2004/036131A1
An electric furnace includes a stationary lower shell having a sloping floor extending downwardly to a tap hole to always maintain a sufficient ferrostatic head three times the tap hole for slag free tapping. The configuration of the ref...  
WO/2004/035837A1
An existing steel making installation having a basic oxygen furnace facility is converted to an electric arc furnace facility for refining steel by modifying the furnace support pedestals to form spaced apart horizontal rail support pads...  
WO2004007775A3
The present invention provides a method of reducing metal oxide material to metal comprising the steps of forcibly circulating molten carrier material in a closed loop path serially through a charge reduction zone on one arm of the loop,...  
WO/2004/033976A1
A furnace binding and adjustment system for maintaining a refractory furnace hearth under compression utilizes a plurality of buckstays connected at their upper and lower ends by tie members. A fluid-pressurized tensioning device, prefer...  
WO2003070227A9
The invention relates to a thin film-type or wafer-type medicinal preparation for the oral administration of active ingredients. Said preparation is characterised in that it contains at least one matrix-forming polymer in which at least ...  
WO/2004/011866A1
The invention relates to a method for manufacturing a cooling element (1) to be used in the structure of a furnace used in metal processes, such as a flash smelting furnace, a blast furnace, an electric furnace or other metallurgical rea...  

Matches 451 - 500 out of 10,351