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Matches 51 - 100 out of 236 < 1 2 3 4 5 >


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US20090168831 ELECTRIC ARC FURNACE ROOF TOP AND CENTRAL PORTION FOR THIS ROOF TOP  
An electric arc roof furnace top contains a central portion and a peripheral portion surrounding the central portion. Each of these portions has an inner surface suitable for facing the furnace...
US20120134384 Electric Arc Furnace  
This invention concerns an electric arc furnace comprising a chamber suitable for containing molten steel; a roof suitable for covering the chamber and for containing a mass of scrap steel;...
US20080192795 Electric Insulation for the Lid of an Electric Arc Furnace  
The invention is an electric insulation system for a steel-structured lid of an electric arc furnace, where the electrode lead-throughs are provided with electric insulation for preventing...
US20130202007 HEATING CONDUCTOR ARRANGEMENT  
An electrical heating conductor arrangement for heating a furnace has one or more strip-shaped portions with a generally horizontal sheet-like extent. The strip-shaped portions are formed by...
US20130206358 PANEL COOLED WITH A FLUID FOR METALLURGIC FURNACES, A COOLING SYSTEM FOR METALLURGIC FURNACES COMPRISING SUCH A PANEL AND METALLURGIC FURNACE INCORPORATING THEM  
A panel cooled with a fluid, for metallurgic furnaces, includes a first chamber having a face which, in assembly conditions, is configured to face an interior of a metallurgic furnace and an...
US20120140787 METHOD AND DEVICE FOR DETERMINING A TEMPERATURE T OF A METAL MELT WITHOUT CONTACT  
A temperature T of a metal melt in a furnace is precisely determined without contact using at least one burner gun unit fed through a furnace wall of the furnace above the metal melt into a furnace...
US20050175064 Cold crucible induction furnace  
A cold crucible induction furnace has a slotted-wall with a slotted inner annular protrusion that is disposed around the base of the crucible's melting chamber. The protrusions may be separated...
US20050259710 Grooved crucible ceramic clay  
The nature of the technical disclosures of my invention is simple and unique. A ¼×0.0381 inches groove around a ceramic clay crucible is simple to adapt. I invented a mold which has the feature o...
US20060193365 Spacer for spacing preforms in a furnace and method for spacing preforms in a furnace using same  
A furnace spacer (10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 150) for spacing a first annular preform (124) from a second annular preform (124), each of the first and second annular preforms (124)...
US20110176576 MELTING FURNACE  
A melting furnace of the present invention includes a sealed container containing an inert gas atmosphere, a crucible that is located inside the sealed container and melts a raw material by...
US20130044785 ELECTRIC INDUCTION MELTING ASSEMBLY  
A dry-break electrical disconnect is provided between an induction melting furnace and a component of the electric induction melting assembly in which the furnace is removably installed for melting...
US20070064764 Method and furnace for electrical calcination enabling utilization of volatile matters  
A method and a furnace for electrical calcination enables utilization of volatile matters of petroleum coke or anthracite during electrical calcination, i.e. conventional calcination or...
US20110194583 Shaft High Temperature Continuous Graphitizing Furnace  
The present invention provides a shaft high temperature continuous graphitizing furnace comprising a furnace body comprising a feeding inlet and a discharging outlet, an electrode pair, a cooling...
US20050129086 Induction furnace control  
An induction furnace is disclosed. The furnace has a hearth with sidewalls and a floor, and an electrical induction heater in communication with the hearth through the floor body means of a throat....
US20130294473 MELTING APPARATUS FOR MELT DECONTAMINATION OF RADIOACTIVE METAL WASTE  
Disclosed herein is a melting apparatus for melt-decontaminating radioactive metal waste. The melting apparatus includes a melting furnace, a high frequency generator, a ladle, a bogie, a cooling...
US20080130704 Electroslag smelting system and method  
A system and a method for electroslag smelting, involving a furnace having a wall, an internal atmosphere, and an external atmosphere; a trough for accommodating an ore being smelted into a molten...
US20050236376 Energy generation  
Methods and apparatus are described for releasing energy from hydrogen and/or deuterium atoms. An electrolyte is provided which has a catalyst therein suitable for initiating transitions of...
US20140029644 Melting and Mixing of Materials in a Crucible by Electric Induction Heel Process  
Apparatus and method are provided for electric induction heating and melting of a transition material that is non-electrically conductive in the solid state and electrically conductive in the...
US20140010257 Melting and Mixing of Materials in a Crucible by Electric Induction Heel Process  
Apparatus and method are provided for electric induction heating and melting of a transition material that is non-electrically conductive in the solid state and electrically conductive in the...
US20140010256 Melting and Mixing of Materials in a Crucible by Electric Induction Heel Process  
Apparatus and method are provided for electric induction heating and melting of a transition material that is non-electrically conductive in the solid state and electrically conductive in the...
US20120275483 ELECTRODE HOLDER FOR ELECTRIC GLASS MELTING  
An electrode holder for use in a furnace for melting a batch material to form molten glass is disclosed comprising a refractory coated nose member presented to and in contact with a molten glass...
US20110176575 POWER SUPPLY SYSTEM FOR A POLYPHASE ARC FURNACE WITH AN INDIRECT CONVERTER BETWEEN A MAINS CONNECTION AND A FURNACE TRANSFORMER  
In a power supply system for a three-phase arc furnace (1), comprising at least one furnace transformer (4), the furnace transformer (4) is connected on the secondary side to the three-phase arc...
US20120039352 LIQUID COOLED GLASS METAL ELECTRODE  
An electrode comprises a shaft extending from an electrode head. A cooling passage extends from an open end disposed at an attachment end of the shaft to a closed end, which is disposed within the...
US20070133651 Method for controlling foaming of slag in an electric arc furnace  
A method for controlling the foaming of slag in an electric arc furnace is disclosed. The furnace comprises at least one electrode column. Current is applied to the electrode column, causing an arc...
US20130114638 GLASS MELTING TANK HAVING A DOGHOUSE, AND METHOD FOR HEATING THE CHARGE MATERIAL IN SUCH GLASS MELTING TANKS  
A glass melting tank comprising at least one front part for introducing the charge material, and at least one charging device. To reduce atmospheric heat losses and reduce dust transport into the...
US20090175309 INDIVIDUAL SEGMENT COOLING DEVICE FOR THE ELECTRODES OF A METALLURGICAL FURNANCE  
In a cooling device for electrodes of a metallurgical furnace, such as reduction furnace, electrical arc furnace, induction furnace, etc., which surrounds the electrodes and consists of individual...
US20100315098 METHOD FOR DETERMINING AT LEAST ONE STATE VARIABLE OF AN ELECTRIC ARC FURNACE, AND ELECTRIC ARC FURNACE  
In a method for determining a state variable of an electric arc furnace, especially for determining the level of the foamed slag (15) in a furnace, the energy supplied to the furnace is determined...
US20060193364 Graphite electrode for steelmaking  
The present invention provides a graphite electrode for an electric arc furnace used for steelmaking which can effectively suppress oxidation and consumption of the graphite electrode used for an...
US20050286605 Electrode system for glass melting furnaces  
An electrode system for glass melting furnaces with a melting tank comprises at least one electrode holder (9) installed above the melt surface for inserting electrodes (7) from above through the...
US20130128912 CRUCIBLE HAVING A POLYGONAL OPENING  
The invention relates to an arc melted silica crucible having a polygonal opening, in particular square or rectangular, and its method of fabrication, which comprises preforming the silica powder...
US20130083819 METHOD FOR OPERATING AN ARC FURNACE, OSCILLATION MEASUREMENT DEVICE FOR AN ARC ELECTRODE AND CONFIGURATION FOR AN ARC FURNACE  
A method for operating an arc furnace, an oscillation measurement device for an arc electrode, and a configuration for the arc furnace are described. Using simple measures for operating the arc...
US20110075697 Cold Crucible Induction Furnace with Eddy Current Damping  
Apparatus and method are provided for damping the induced fluid flow, particularly in the region of the base plate, in an electrically conductive material that is heated and melted in a cold...
US20130235896 METAL SECTOR HAVING CURVED OUTER SURFACE AND COLD CRUCIBLE INDUCTION MELTER HAVING THE SAME  
The present invention provides a metal sector and a cold crucible induction melter having the same. The cold crucible induction melter includes a wall formed of a plurality of metal sectors...
US20130223471 METAL SECTOR HAVING CURVED INNER SURFACE AND COLD CRUCIBLE INDUCTION MELTER HAVING THE SAME  
The present invention provides a metal sector and a cold crucible induction melter having the same. The cold crucible induction melter includes a wall formed of a plurality of metal sectors...
US20140029642 ROOF FOR LADLE FURNACE  
The present invention relates to a roof for a ladle furnace which can be compatible with a dust collection elbow or with a dust collection hood. The roof according to the present invention includes...
US20090129429 MELTING AND MIXING OF MATERIALS IN A CRUCIBLE BY ELECTRIC INDUCTION HEEL PROCESS  
Apparatus and method are provided for electric induction heating and melting of a transition material that is non-electrically conductive in the solid state and electrically conductive in the...
US20060140244 Extended length graphite electrode  
An extended graphite electrode for use in an electric arc furnace facility, which includes joining at least two component graphite electrodes, at least one of which comprises a male tang having a...
US20140096644 ALUMINUM MELTING APPARATUS  
A method and apparatus for melting aluminum uses a dense metal salt of Rubidium, Cesium, or Strontium. The salt is melted by a stinger and then superheated by AC applied to electrodes immersed in...
US20130016754 INJECTOR COOLING BLOCK FOR HOLDING AT LEAST ONE INJECTOR  
The invention relates to an injector cooling block (1) for holding at least one injector (2) for introducing a medium into a metallurgical vessel (3), especially into an electric arc furnace, the...
US20060291529 Cold wall induction nozzle  
An induction melting apparatus for the manufacture of gas atomized titanium powder that is free from contamination characteristic of conventional melting practices.
US20110292962 Electric Induction Gas-Sealed Tunnel Furnace  
An electric induction gas-sealed tunnel furnace and process are provided. The exterior of the furnace's enclosure that forms a closed tunnel region is surrounded at least along its longitudinal...
US20100095880 Arc melting high-purity carbon electrode and application thereof  
An arc melting high-purity carbon electrode is capable of forming stable arc at the time of arc discharge, and it is possible to produce a vitreous silica crucible with good properties, which does...
US20050185692 Induction furnace  
An induction furnace wherein a susceptor made from an alloy comprising niobium, hafnium and titanium is positioned within the induction coil of the furnace. Such a susceptor can withstand prolonged...
US20100080259 Openable Induction Coil and Electromagnetically Shielded Inductor Assembly  
An openable induction coil is provided. An electromagnetically shielded inductor assembly can be formed from the openable induction coil and an electromagnetically shielded enclosure into which the...
US20070098036 Unit for conductively heatable melting  
To reduce the risk of damage to the refractory material, in particular caused by the formation of cracks and corrosion, the invention provides a unit, in particular a melting and/or refining unit...
US20060291528 Melting and refining in baths with cooled walls  
A method for melting inorganic materials, preferably glasses and glass-ceramics, in a melting unit with cooled walls is provided. The method includes selecting the temperature of at least one...
US20130279534 Graphite Electrodes  
A graphite electrode exhibits oxidation resistance by modifying the outer radial surface characteristics. The outer radial surface may be modified by providing a textured portion which improves...
US20130148686 GRAPHITE ELECTRODE  
A graphite electrode exhibits oxidation resistance by modifying the outer radial surface characteristics. The outer radial surface may be modified by providing a textured portion which improves...
US20100071417 ARC DISCHARGE METHOD, ARC DISCHARGE APPARATUS, AND FUSED SILICA CRUCIBLE MANUFACTURING APPARATUS  
An arc discharge method of the present invention includes the steps of: heating and melting a non-conductive object by arc discharge using a plurality of carbon electrodes in an output range of 300...
US20080123714 Electronic Circuit And Method Of Supplying Electricity ...  
The invention relates to an electronic circuit and a method for feeding power to at least one electrode of an alternating-current electric-arc furnace, particularly for melting metal. Known...
Matches 51 - 100 out of 236 < 1 2 3 4 5 >