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Patent Searching and Data


Matches 501 - 550 out of 10,182

Document Document Title
WO/2003/022005A1
An arc furnace that utilizes a combined DC arc system and an AC joule heating system to melt the waste disposed therein and to keep the waste material in a molten condition. The DC arc system utilizes the AC joule heating electrodes as p...  
WO/2003/019096A1
The invention relates to a metallurgical oven, comprising a vessel (10), a cover (20) for the vessel, a charging device (30) for charging items which are to be melted to said vessel. Said charging device comprises a rotatable retaining m...  
WO/2003/014646A1
Molten metal is tapped from an aluminium electrolytic furnace to a crucible (10) having a substantially circular cross-section supported in a transporting device with the axis (20) of the crucible (10) substantially horizontal. The cruci...  
WO2002081759A9
The invention relates to a device for preventing slag from flowing along when tapping a molten metal out of a metallurgical vessel, whereby the tap opening of the vessel is formed out of interchangeable pipes, which are located one above...  
WO/2003/004198A2
A method and apparatus is disclosed to improve the metal yield by adjusting the tilt angle of a tilting vessel (2, 102) having a submerged tap hole (4, 104). The tilt angle is adjusted in response to parameters inherent in the pouring pr...  
WO/2002/103240A1
A melting device (41) capable of melting waste by cutting out air, comprising a melting burner (18) for burning brown gas in a melting chamber (11) and cutout devices (13a, 26, 34) for cutting out the entry of air into the melting chambe...  
WO/2002/100575A1
A dosing furnace (10) with metal treatment and level control includes a holding chamber (12) for containing a supply of molten metal (50), a pump (22) connected to the holding chamber (12), a molten metal treatment chamber (16, 18) locat...  
WO2002081759A8
The invention relates to a device for preventing slag from flowing along when tapping a molten metal out of a metallurgical vessel, whereby the tap opening of the vessel is formed out of interchangeable pipes, which are located one above...  
WO/2002/100576A1
A molten metal treatment furnace (10) with metal treatment and level control includes a heating chamber (12) for containing and heating a supply of molten metal (60), a pump (22) connected to the heating chamber (12), a molten metal trea...  
WO/2002/099143A1
A method and an apparatus for advantageously introducing a flame and a high velocity oxidizing gas into a furnace for metal melting, refining and processing, particularly steel making in an electric arc furnace. The steel making process ...  
WO/2002/097139A1
Process and apparatus for the continuous degassing and/or processing of liquid-phase steel, comprising the steps of: collecting said liquid phase in an open air collecting vessel (8), that comprises one or more baffles (12, 17) partition...  
WO/2002/097378A1
A slag layer thickness measuring method used for converters and the like, featured by less error and low cost&semi a molten metal layer surface level position measuring method using the slag layer thickness measuring method&semi and a de...  
WO/2002/096159A1
An AC arc furnace (10) has a plurality of electrodes (12a-c) arranged inside a furnace chamber (14) enclosed by a shell (24). Each electrode is electrically connected to an electrode power source in series through corresponding auxiliary...  
WO2002065585A3
A current-conducting arm (10) for conducting a current from at least one cable supports (9) to an electrode in an electric arc furnace comprising an arm housing (14) having a U-shaped base channel member (16) and a U-shaped top channel m...  
WO/2002/090271A1
A method for melting glass forming batch material includes charging the glass forming batch material (6) to a glass melting apparatus (1); impinging a flame (7) proximate to the surface (4) of the batch materials to form a glass melt (8)...  
WO2002071811A3
An electrode seal for an electric arc furnace comprises an annular support ring having an internal diameter substantially greater than the diameter of the electrode, and which is secured to the furnace roof by a plurality of mounting fee...  
WO/2002/088400A1
An oxygen fueled combustion system includes a furnace (14) having at least one burner, an oxygen supply for supplying oxygen having a predetermined purity, and a carbon based fuel supply for supplying a carbon based fuel. The oxygen and ...  
WO/2002/084192A1
The invention relates to a cooling element for cooling a metallurgical furnace, in which the side of the furnace shell (113, 213, 313) that faces the interior of the furnace (O¿i?) is lined with fireproof material (114, 214, 314). Said ...  
WO/2002/081757A1
A cooling plate (10) for a metallurgical furnace, such as e.g. a blast furnace, comprises a cast cooling plate body (12) made of a ferrous metal and at least one cooling pipe (18) cast in the cooling plate body (12). The cooling pipe (18...  
WO/2002/081759A1
The invention relates to a device for preventing slag from flowing along when tapping a molten metal out of a metallurgical vessel, whereby the tap opening of the vessel is formed out of interchangeable pipes, which are located one above...  
WO/2002/080624A1
The inventive method consists in screwing a pre-prepared new cathode and a nipple to an electrode column. Said nipple has a longitudinal through hole in which a metallic rod, made for example of aluminium or copper is arranged. Said rod ...  
WO/2002/079107A2
The invention relates to a method and a device for producing and/or preparing molten glass. The invention is characterised by the following: the molten glass flows in a container (1) in a principal flow direction (A), the level of the mo...  
WO/2002/076905A1
The invention provides a colloidal refractory system for an electric arc furnace (100) or another pyrometallurgical converter having a hearth (114) a shell (102), and a roof (106). The colloidal silica refractory includes alumina having ...  
WO/2002/077297A1
Apparatus for transferring hot material between a preprocessing plant and an electric furnace has an enclosed housing extending between the plant and the furnace and within which a controlled atmosphere is maintained, at least one bin ha...  
WO/2002/071811A2
An electrode seal for an electric arc furnace comprises an annular support ring having an internal diameter substantially greater than the diameter of the electrode, and which is secured to the furnace roof by a plurality of mounting fee...  
WO/2002/068889A1
The invention relates to a refractory ceramic body serving as a wall part of a metallurgical melting vessel and to a metallurgical melting vessel whose wall area is partially formed by said refractory ceramic body.  
WO2002039044A3
Melting furnace for leagues of metal of second melting especially conformed with a special type of channel of connection, with a rotating joint (7) among the cupola(1) and the basin of wait of spherical form (8) and able to ruotate, such...  
WO/2002/065585A2
A current-conducting arm (10) for conducting a current from at least one cable supports (9) to an electrode in an electric arc furnace comprising an arm housing (14) having a U-shaped base channel member (16) and a U-shaped top channel m...  
WO2001099473A8
An induction-heated furnace is disclosed. The furnace comprises a shell lined with refractory material and has walls and a floor. At least one induction heater is located in the floor of the furnace, the induction heater communicating wi...  
WO/2002/063927A2
A power control system for an AC electric arc furnace. The control system includes variable reactors located intermediate a furnace power supply and arc electrodes that are height adjustable. The control system monitors operating charact...  
WO2002001190A3
This invention relates to a method and apparatus for improved process control in combustion applications, and particularly those relating to the steelmaking industry. An apparatus is provided for process control in a combustion applicati...  
WO/2002/058863A1
A bottom heated holder furnace (10) for containing a supply of molten metal includes a storage vessel (20) having sidewalls (22) and a bottom wall (24) defining a molten metal receiving chamber (26). A furnace insulating layer (32) lines...  
WO/2002/058864A1
A bottom heated holder furnace (12) for containing a supply of molten metal includes a storage vessel (30) having sidewalls (32) and a bottom wall (34) defining a molten metal receiving chamber (36). A furnace insulating layer (42) lines...  
WO/2002/058862A2
The melter furnace includes a heating chamber (16), a pump chamber (18), a degassing chamber (20), and a filter chamber (22). The pump chamber 818) is located adjacent the heating chamber (16) and houses a molten metal pump (30). The deg...  
WO/2002/057698A1
A method for conveying stacks of metallic sheets, in particular stacks of metallic cathodes, into a melting furnace. The stack of metallic sheets (1) is gripped by a grapple element (10), such asa lifting grapple, which is arranged on a ...  
WO2002028084A3
A system (10) is provided for recording information relating to the condition of electrodes (18) in an arc furnace (12). A digital camera (62) is provided in a consistent position relative to a photographing station (30). Periodically, t...  
WO/2002/039044A2
Melting furnace for leagues of metal of second melting especially conformed with a special type of channel of connection, with a rotating joint (7) among the cupola(1) and the basin of wait of spherical form (8) and able to ruotate, such...  
WO/2002/039043A1
The invention relates to a method for controlling the temperature of components or parts in high temperature metallurgical reactors. The components or parts are equipped with at least one evaporation cooled unit, which evaporation cooled...  
WO/2002/037044A1
The invention relates to a cooling element, in particular to be used in connection with furnaces and the like related to metal production processes, said element comprising a housing (1) provided with a channel system (2) for cooling wat...  
WO/2002/034693A1
The invention relates to a fire-resistant substance and to a method for producing a fire-resistant lining. The fire-resistant substance contains an MgO sinter and up to 5 wt. % of a reducing agent selected from the group consisting of su...  
WO/2002/033339A1
The invention provides an improved furnace structure and methods of melting material in furnaces, particularly aimed at reducing the start up time for such furnaces. The furnace (2) defines a container for the molten metal having a maxim...  
WO/2002/033130A1
The invention relates to a method for producing stainless steels, in particular steels containing chromium and chromium-nickel. The method is carried out in a melting device containing a metallurgical vessel, or in a melting device (1) c...  
WO2001099473A3
An induction-heated furnace is disclosed. The furnace comprises a shell lined with refractory material and has walls and a floor. At least one induction heater is located in the floor of the furnace, the induction heater communicating wi...  
WO/2002/028084A2
A system (10) is provided for recording information relating to the condition of electrodes (18) in an arc furnace (12). A digital camera (62) is provided in a consistent position relative to a photographing station (30). Periodically, t...  
WO/2002/024963A1
A direct smelting process for producing iron and/or ferroalloys is disclosed. The process operates on a commercial scale in a metallurgical vessel that has a hearth, side walls, and a roof, and a minimum width dimension of the interior o...  
WO2001071267A3
A method for manufacturing a cooling element comprising a housing part and ceramic lining elements arranged on the housing part surface. The ceramic lining elements (2) are connected to the element housing part (1) by using in the joint ...  
WO/2002/014765A1
The invention relates to a bottom structure of a suspension smelting furnace to be used in a smelting furnace (1), in the reaction space (2) whereof of sulfidic raw material containing metal, such as copper, nickel or lead, is smelted in...  
WO/2002/008471A1
A direct smelting process for producing iron and/or ferroalloys on a commercial scale in a metallurgical vessel is disclosed. The process includes injecting solid feed materials into a molten bath via multiple solids injection lances (27...  
WO/2002/002827A1
The invention relates to a lance (1) for introducing treatment substances into a melt. According to the invention, the lance (1) consists of a spacing means (3) being provided between an outer jacket pipe (4) and an inner inlet pipe (2)....  
WO2001073136A3
A process comprising: charging a raw material compacting substance containing a carbonaceous reducing agent and an iron oxide contained substance into a moving hearth type furnace; reducing the raw material compacting substance to a redu...  

Matches 501 - 550 out of 10,182