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| Number | Title | Issue Date |
| 8142711 | Forged copper burner enclosure A forged copper burner enclosure capable of being mounted within the side wall of a steel melting furnace for the purpose of providing an improved cooling characteristic to a burner lance. The burner enclosure is provided with a central passage adapted to receive a ... | 03/27/2012 |
| 8038932 | Metallurgical vessel 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-za... | 10/18/2011 |
| 8021603 | Rotary charging device for a shaft furnace equipped with a cooling system A rotary charging device for a shaft furnace, in particular a blast furnace, is disclosed. The charging device is equipped with a cooling system. The rotary charging device includes a rotatable support for rotary distribution means as well as a stationary housing fo... | 09/20/2011 |
| 7951325 | Methods of implementing a water-cooling system into a burner panel and related apparatuses The present invention generally relates to apparatuses and methods for use in metal melting, refining and/or other processing, such as, for example, steel making in an electric arc furnace (EAF), and more particularly, to improved burner panels and related methods f... | 05/31/2011 |
| 7850903 | Tapping channel for a metallurgical furnace The invention relates to a tapping channel (1) for a metallurgical furnace, particularly for an electro-reducing furnace, comprised of at least one tapping brick (10, 11, 12) and of a cooling device in the vicinity of the tapping channel (1). Th... | 12/14/2010 |
| 7824604 | Methods of implementing a water-cooling system into a burner panel and related apparatuses The present invention generally relates to apparatuses and methods for use in metal melting, refining and/or other processing, such as, for example, steel making in an electric arc furnace (EAF), and more particularly, to improved cooling systems and related methods... | 11/02/2010 |
| 7582253 | Heat exchanger system used in steel making A heat exchanger system suitable for iron making furnaces and their supporting exhaust and cooling systems. The heat exchange has at least one panel of sinuously winding piping having an inlet and an outlet, an input manifold in fluid communication with the inlet of... | 09/01/2009 |
| 7544321 | Process container with cooling elements A process container comprising a metallic casing having at least one refractory cladding layer disposed on the inner side thereof, and cooling elements connected to the outer side of the casing. Each cooling element comprises a base plate and at least one cooling ch... | 06/09/2009 |
| 7510679 | Taphole cooling structure The present invention provides a taphole cooling structure allowing prevention of wear and deformation of peripheral bricks of the taphole and maintaining stable operation of the furnace in high copper matte grade operations and high load operations. The taphole coo... | 03/31/2009 |
| 7491360 | Mounting enclosure for burners and particle injectors on an electric arc furnace An enclosure for mounting burners and particle injection equipment in an EAF is described. The enclosures are mounted on the sidewalls of an EAF and include passages in which burners or injectors are mounted so that the discharge ends of the burners and injectors ar... | 02/17/2009 |
| 7452499 | Furnace cooling system and method A cooling system for the distribution and collection of a fluid coolant in a metallurgical vessel used in the processing of molten materials. The cooling system comprises a distribution system including an intake manifold, a plurality of headers attached to the inta... | 11/18/2008 |
| 7381366 | Apparatus for the production or refining of metals, and related processes An electroslag-cold hearth (ESCH) system for refining or producing a desired metal or metal alloy is described. The system includes at least one cold hearth vessel capable of holding a pool of molten liquid metal and an overlying slag layer, and an ingot mold latera... | 06/03/2008 |
| 7306763 | Metallurgical vessel for melting device for liquid metals A metallurgical vessel for a melting device for liquid metals has a vessel top, a vessel bottom provided with a collar, and an intermediate ring arranged between the vessel top and the vessel bottom. The vessel bottom receives a melt defining a melting zone within t... | 12/11/2007 |
| 7270781 | System for producing alloy containing rare earth metal The present invention is a manufacturing system for alloys containing rare earth metals which presents oxidation of alloy during production, facilitates thermal history control of the alloy, and efficiently produces alloys of a uniform structure. The manufacturing s... | 09/18/2007 |
| 7070733 | Cooling system for a trunnion ring and metallurgical furnace vessel A cooling system for a basic oxygen furnace or an Argon Oxygen Decarburization converter having a metallurgical converter vessel supported in a trunnion ring. The cooling system comprises a number of cooling panels. The cooling panels are mounted or attached to the ... | 07/04/2006 |
| 7019189 | Process and composition for the immobilization of radioactive and hazardous wastes in borosilicate glass The present invention provides processes to immobilize radioactive and/or hazardous waste in a borosilicate glass, the waste containing one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds. The invention also provides borosil... | 03/28/2006 |
| 6936216 | Melt launder The invention relates to a melt launder (1, 9, 10) comprising a bottom and edged, said melt launder being particularly meant to be used for tapping a molten phase, such as slag, from a smelting furnace, which melt launder is manufactured of copper or copper a... | 08/30/2005 |
| 6932938 | Method and apparatus for containing and ejecting a thixotropic metal slurry A container system including a vessel for holding a thixotropic semi-solid aluminum alloy slurry during its processing as a billet and an ejection system for cleanly discharging the processed thixotropic semi-solid aluminum billet. The crucible is preferably formed ... | 08/23/2005 |
| 6918427 | Process and apparatus for preparing a metal alloy A method and apparatus for producing a metal component from a non-dendritic, semi-solid metal alloy slurry involves the use of a graphite agitator that is functionally equivalent to conventional metal rod agitators, and has the additional advantage of having a very ... | 07/19/2005 |
| 6890479 | System and method for steel making A metallurgical furnace, which includes a furnace shell, an exhaust system, and a gas cleaning system, further includes a plurality of improved pipes and fume ducts throughout to increase operational life and productivity. The pipes and fumes ducts are comprised of ... | 05/10/2005 |
| 6793874 | Cooling system for a metallurgical furnace A cooling system for a blast furnace includes a cooling circuit (10) closed by a return line (16) and at least one circulation pump (26, 26′, 26″) for circulating cooling water through the closed cooling circuit. An emergency feed line (3... | 09/21/2004 |
| 6641777 | Method for the manufacture of a composite cooling element for the melt zone of a metallurgical reactor and a composite cooling element manufactured by said method The invention relates to a method for the manufacture of a composite cooling element for the melt zone of a metallurgical reactor, whereby the element is manufactured by attaching ceramic lining sections to each other by copper casting and forming at the ... | 11/04/2003 |
| 6638471 | Water cooled vessel for vacuum processing liquid steel The invention relates to a process vessel for vacuum processing liquid steel, comprising a lower part, a middle part and an upper part, and submersible pipes located on the lower part, whereby the process vessel is provided with a heating apparatus, a fee... | 10/28/2003 |
| 6613291 | Installation for vitrification of liquid radioactive wastes, cooled discharge unit and cooled induction melter for the installation The present invention relates to apparatuses for processing homogeneous/heterogeneous radioactive wastes comprising ion-exchange reisns. A cooled discharge unit comprises a discharge pipe, a cooling jacket having a U-shaped form in cross section, a collec... | 09/02/2003 |
| 6533838 | High purity gallium for preparation of compound semiconductor, and method and apparatus for purifying the same In a process for separating impurities from a raw gallium material containing impurities, a process for refining gallium comprising progressively solidifying a raw gallium material provided in a liquid state inside a vessel while applying stirring, such t... | 03/18/2003 |
| 6322745 | Direct smelting vessel and direct smelting process A vessel which produces metal from a metalliferous feed material by a direct smelting process is disclosed. The vessel contains a molten bath having a metal layer (15) and a slag layer (16) on the metal layer and has a gas continuous space (31) above the ... | 11/27/2001 |
| 6280681 | Furnace-wall cooling block A furnace-cooling block comprises a UNS-type C71500 schedule-40 water pipe cast inside a pour of electrolytic copper UNS-type C11000 de-oxidized during the casting process, or melted in an inert environment, to produce a high-copper approximating UNS-type... | 08/28/2001 |
| 6277325 | Steelworks converter with cone cooling system The steelworks converter on the vessel cone of which a cone cooling system is provided, having sinuously arranged lines for channeling the cooling medium, which open into at least one channel-like collector in the top and bottom regions of the converter h... | 08/21/2001 |
| 6264884 | Purification hearth A refining hearth. The refining hearth comprises an open vessel defining a first deep zone having a predetermined depth, a second deep zone having a predetermined depth, and a shallow zone intermediate the first deep zone and the second deep zone, wherein... | 07/24/2001 |
| 6221312 | Refractory wall, metallurgical vessel comprising such a refractory wall and method in which such a refractory wall is applied Refractory wall structure, suitable in particular for use in a metallurgical vessel for a continuous production of crude iron in a smelting reduction process under conditions of an extremely high thermal load in a highly abrasive environment of molten sla... | 04/24/2001 |
| 6217825 | Device and fireproof nozzle for the injection and/or casting of liquid metals In a process for splashing and/or teeming liquid metal, in particular steel, through a discharge in the wall or in the bottom of a metallurgical vessel, the discharge is electromagnetically coupled to the electromagnetic field of at least one fluid-cooled... | 04/17/2001 |
| 6214286 | Hybrid induction skull melting A solid charge of metal or alloy is placing in a crucible melting chamber defined by a monolithic refractory tubular sleeve disposed on a water cooled metallic base, an energizing induction coil disposed about the sleeve to inductively heat the solid char... | 04/10/2001 |
| 6165411 | Apparatus for producing metal to be semimolten-molded An improved apparatus for producing a semisolid shaping metal that has fine primary crystals dispersed in the liquid phase and which also has a uniform temperature distribution comprises a melt pouring section comprising a melting furnace which melts and ... | 12/26/2000 |
| 6096260 | Cooling system for dross pressing head using sand An improved cooling system for cooling the head of a dross press used in the recovery of non-ferrous metals from dross utilizes a controlled flow of cooling fluid (preferably water) through a cooling coil mounted in particulate matter having a high absorb... | 08/01/2000 |
| 6086817 | Off-gas hood for a basic oxygen furnace and method of repair The invention is directed to water-cooled furnace hoods that exhaust gases away from a work area, and in particular, it is directed to an off-gas hood for use with a basic oxygen furnace (BOF). The furnace hood includes an assemblage of panels fastened to... | 07/11/2000 |
| 5972282 | Straight hearth furnace for titanium refining A cold hearth furnace for refining of selected metals, such as titanium, is described. The furnace includes a melting hearth and a transport hearth arranged linearly. A pair of barriers partially block the flow of molten materials to mix it, allowing impu... | 10/26/1999 |
| 5922273 | Modular hearth arrangement for cold hearth refining In the particular embodiment described in the specification, a cold hearth arrangement has a hearth plate forming a floor above the bottom of a melt chamber enclosure and a hearth is removably mounted on the hearth plate. Coolant supply and return lines a... | 07/13/1999 |
| 5882581 | Apparatus for the processing of solid mixed waste containing radioactive and hazardous materials Apparatus for the continuous heating and melting of a solid mixed waste bearing radioactive and hazardous materials to form separate metallic, slag and gaseous phases for producing compact forms of the waste material to facilitate disposal includes a copp... | 03/16/1999 |
| 5879617 | Apparatus for treating waste materials A method and apparatus for treating residual or waste materials that can be recycled energetically, especially light-weight refuse from shredders, which, reduced in size and classified, are stored in bunkers. The residual or waste material is fed by porti... | 03/09/1999 |
| 5853656 | Apparatus and method for cooling a basic oxygen furnace trunnion ring A method and apparatus for cooling a BOF trunnion ring by vaporization. A water mist is injected into the interior space of the trunnion ring where it is vaporized. The heat transfer of vaporization cools the trunnion ring, and the hot vapor is vented fro... | 12/29/1998 |
