Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 501 - 550 out of 10,287

Document Document Title
WO/2003/084884A1
An electric furnace (1) for melting vitrifiable materials (V), in particular for the manufacture of vitreous mosaic materials and ceramic frits as well as for the vitrification of waste, where the primary material is frequently changed, ...  
WO2003004198A3
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...  
WO2002058862A3
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...  
WO2003064922A3
Incinerator improvements involving seals around a pulsing hearth floor (158) or between moving hearth floor sections. The seals (167, 168, 169) reduce or prevent the passage of contaminating gases into or out of an incinerator chamber ha...  
WO/2003/070227A1
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/2003/068700A1
A synthetic slag is produced by a high temperature combustion reaction between coal ash having a high carbon content, and a source of lime such as cement kiln dust. The carbon content of the coal ash is oxidized by oxygen gas, which typi...  
WO/2003/068995A1
The invention relates to a method and device for the continuous production of steel using metal charge material (8) that is preheated in an upper part of a melting vessel (2), is then melted in a lower part (9) of the melting vessel l(2)...  
WO/2003/064922A2
Incinerator improvements involving seals around a pulsing hearth floor (158) or between moving hearth floor sections. The seals (167, 168, 169) reduce or prevent the passage of contaminating gases into or out of an incinerator chamber ha...  
WO/2003/060169A1
In the metallurgical treatment of metals, metal melts and/or slags in a metallurgical unit or melting vessel, especially in electric arc furnaces, injection devices (1) are used for blowing in or up oxygen-rich gases (6) and/or carbonace...  
WO/2003/056044A1
The invention concerns an alumnium melting method, which consists in introducing solid aluminium into a furnace (2), melting the aluminium to form an aluminium bath (4), detecting variations in carbon monoxide (CO) and/or hydrogen (H2) c...  
WO/2003/038361A1
A process for vitrifying contaminated waste material (30) includes providing a container (10) including an insulating lining (16), placing the waste material (30) in the lined container (10), subjecting the material (30) to an electric c...  
WO/2003/036210A1
The invention relates to an arrangement (1, 12, 16) for continuously tapping a molten phase, such as matte, from a smelting furncae, such as a flash smelting furnace, said arrangement comprising a matte tapping hole (5) provided in the f...  
WO/2003/033981A1
The invention concerns a replacement method and a device for assembling and disassembling modules of an electric arc furnace. Said method consists in lifting and pivoting the furnace cover or in only lifting it; when disassembling, it co...  
WO/2003/034791A1
A mounting enclosure (14) and an improved mounting arrangement for apparatus used in metal melting, refining and processing, particularly those apparatus adapted for steel making in an electric arc furnace (15), such as burners (10), lan...  
WO/2003/029499A1
The invention relates to an arc furnace (1), which can be tilted or remains stationary for tapping the melt or the slag and which comprises an eccentric and/or centric tap (9; 12). The invention also relates to a method for operating an ...  
WO/2003/026745A1
A method for rendering polychlorinated biphenyl harmless, which comprises feeding a liquid containing polychlorinated biphenyl and a mixture of an aluminum oxide and silicon dioxide to an ultrasonic emulsifier (2), conducting an emulsifi...  
WO2002063927A3
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...  
WO/2003/023078A1
A metal melting closed furnace (10) which includes a main chamber (26), a circulation well (28) connected to the main chamber (26) by a communications passageway and a vortex well (84) having an exit outlet for molten metal into the main...  
WO2002079107A3
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/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...  

Matches 501 - 550 out of 10,287