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Patent Searching and Data


Matches 451 - 500 out of 10,404

Document Document Title
WO/2006/040393A1
The invention relates to the structure of the bottom area of a metallurgical furnace (1), comprising a bottom part (2) and a wall (3), both of which include a steel structure (6, 21) forming the external surface, and a refractory inner b...  
WO2005118889A3
The invention relates to a tapping tube for a metal fusion vessel, for example, a converter or an arc furnace.  
WO/2006/027413A1
The invention relates to a device for distributing hot feed into the feeding silos of a metallurgical furnace. The device comprises an inlet pipe for receiving the feed from the outlet of a previous process stage. A batching pipe is fitt...  
WO2005052196A3
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/2006/021515A1
The invention relates to a method for operating an electric-arc furnace comprising at least one electrode and one tapping method step. At the beginning of the tapping step, the energy supply to the at least one electrode (2) of the elect...  
WO2005071335A3
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...  
WO/2006/016201A1
The invention relates to a door closure device for an electric furnace, which is designed to seal same. The invention comprises a conical or prismatic metallic closure which is cooled with water and which is positioned in a same-shaped h...  
WO/2005/118889A2
The invention relates to a tapping tube for a metal fusion vessel, for example, a converter or an arc furnace.  
WO/2005/116558A1
A binding system for applying a vertical compressive force to the refractory walls of a rectangular or circular furnace comprises a compressive member engaging a laterally extending surface of the furnace wall and a support member to whi...  
WO/2005/106048A2
A heat exchanger system (44) for iron making furnaces and their supporting exhaust and cooling systems including at least on panel (1-4) of sinuously winding piping (50) having an inlet (56) and outlet (58) with attached input (84) and o...  
WO/2005/103305A1
Metallurgical processing installation comprising a metallurgical vessel lined internally with water cooled panels. A vessel access tower (61) fits around vessel (11) and supports a coolant flow system (62) to provide for flow of cooling ...  
WO2004074523A3
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...  
WO2005040433A3
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...  
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...  
WO2004058431A8
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/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...  

Matches 451 - 500 out of 10,404