Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 501 - 550 out of 10,042

Document Document Title
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/2002/058863A1
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/2002/057698A1
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/2002/039043A1
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/2002/039044A2
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/2002/037044A1
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...  
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...  
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)....  
WO/2002/001190A2
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/2001/099473A2
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/2001/096617A1
A method for observing the inside of a molten iron refining furnace which comprises using an inert gas and an oxidizing gas individually or in combination in correspondence to the situation of the opening of the front end of a single tub...  
WO/2001/090670A1
Spray cooled side wall and tap hole cover for an eccentric bottom tap (EBT) electric furnace which is unitary, i.e. piece, and has an inter-connected coolant supply and inter-connected spent coolant drain.  
WO/2001/079774A1
An electric arc gasifier adapts to the variable chemical components of waste products by utilizing mobile and fixed electrodes and a positioning system wherein a waste injection (9) combined with a carrier gas (9a) is injected into a hea...  
WO/2001/074738A1
A method for preparing a carbonaceous refractory, characterized in that it comprises providing a mixture comprising 50 to 85 % of a carbonaceous raw material as a main material comprising roasted an anthracite, a calcined coke, a natural...  
WO/2001/072634A1
The invention concerns a method for recuperating thermal energy of hot gases of a submerged-arc furnace designed to make metal alloys by atomization of a powder from solid particles suspended in an aqueous phase. The solid particles are,...  
WO2000039514A9
A magnet for increasing a yield attained during a process in which, when separating metals from scraps occurring during a rare earth magnet production process, alloy materials for rare earth magnet are melt-refined so as to positively se...  
WO/2001/073136A2
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...  
WO/2001/071267A2
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/2001/072090A1
A metal alloy such as steel is manufactured in an electric arc furnace system equipped with at least one sensor (20), at least one controller (24) comprising a logic program, and a variable valve (18) in fluid communication with an elect...  
WO/2001/064962A1
The invention relates to a device for producing steel. The inventive device comprises a container (1, 101, 201). The metal used is molten, blown and refined in said container which comprises an upper component (5, 205) having at least on...  
WO/2001/063192A1
A cooling element designed particularly for furnaces, said element comprising a housing (1) mainly made of copper, and a channel system (6) provided in the housing for cooling medium circulation. At least on a part of the surface of the ...  
WO/2001/061260A1
The present invention is for a method for heating of blanks and other heating of metallic materials in a furnace before working where heat is transferred to a blank in the furnace by radiation. According to the method of the invention an...  
WO/2001/058816A1
An inductively heated drain tube fashioned of high temperature, electrically conducting materials is disclosed. An inductor (11) surrounds the drain tube (12). The inductor and drain tube are cast within a refractory material (14). The d...  
WO/2001/060123A1
A cooled mounting block (14) for an arrangement of a supersonic burner or lance (10) used in an electric arc furnace is designed to rest on a step (24) between a water-cooled side wall (23) and the hearth (21) of the furnace. The mountin...  
WO2000050969A8
Techniques for inducing a contact to invoke a resource prepared by a promoter when the resource resides on a network, includes generating a resource location description for the resource (1030). The resource location description includes...  
WO/2001/047656A1
The invention concerns a novel smelting furnace for molding, comprising a nozzle for charging which connects with a liquid metal storage tank, an outlet nozzle starting at said tank and leading to a taphole of the molds, wherein an addit...  
WO/2001/046479A1
The invention relates to a method for feeding a gas to a metallurgical vessel, the gas carrying a component in the gaseous and/or liquid state that can be condensed or evaporated. The gas is fed to the metallurgical vessel via one or mor...  
WO2000071761A8
The invention provides an electromagnetic brake (4) at the outlet channel (2) of a melting furnace or a vessel containing molten metal to brake or stop the flow of molten metal (3). A magnetic field (7) is imposed perpendicularly to the ...  
WO/2001/040728A1
A metallic water jacket of an arc furnace is provided with aluminium-diffused permeable coating formed by calorizing. The coating is 200-800 microns thick and it has an aluminium concentration of 10-50% by weight at its surface.  
WO/2001/037619A1
To re-ignite efficiently an arc-furnace arc extending between an electrode and a material to be melt, a second energy supply is provided to maintain a plasma link between the electrode and the melting material when the arc-furnace arc is...  
WO2000065878A3
The invention relates to a method and to a device for supplying an electric arc melting furnace with current. Said melting furnace is used to melt and heat metal, especially steel. The inventive device comprises a three-phase current sou...  
WO2000075588B1
The aim of the invention is to provide a means of also cooling the lower part of electric arc furnaces and/or resistance furnaces. To this end, said lower part - the actual melting vessel (4) - is surrounded with a jacket (9) at a certai...  
WO1997005438A3
The invention concerns an arc furnace, in particular a d.c. arc furnace, comprising a vessel and a cover which lies thereon and has an opening for at least one electrode provided with a movement unit for vertical displacement. According ...  
WO2000050969A3
Techniques for inducing a contact to invoke a resource prepared by a promoter when the resource resides on a network, includes generating a resource location description for the resource (1030). The resource location description includes...  
WO/2001/021843A1
The invention relates to a method for introducing bulk material into a metallurgical vessel, especially for introducing scrap into an arc furnace, which has at least one centrally situated electrode in an upper vessel part that is gas-ti...  
WO/2001/022017A1
An apparatus for clearing dust accretions in connection with a smelting furnace, particularly in the contact area between the uptake shaft and waste heat boiler of a flash smelting furnace. The apparatus comprises a wall element (1) arra...  
WO/2001/018271A1
The refining hearth (70) comprises an open vessel defining a first deep zone (78) having a predetermined depth, a second deep zone (82) having a predetermined depth, and a shallow zone (80) intermediate the first deep zone (78) and the s...  
WO/2001/014598A1
A method and apparatus for simultaneously supplying varying proportions of hot and cold direct reduced iron (DRI) material from a source of hot DRI for melting, storage, briquetting or transport. The system uses gravity to transport hot ...  
WO2000061823B1
In order to impede entrainment or trailing of molten slag (1) while tapping molten metal (2) from a metallurgical vessel (5) having a tap hole (1) in the bottom (13) of said vessel, the molten slag (1) is blown away from the surface of t...  

Matches 501 - 550 out of 10,042