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| Number | Title | Issue Date |
| 8089999 | Heat exchange apparatus and method of use A pipe and method of use for deterring or encouraging the retention of slag or other material in the operating area of a metal processing system as desired. The deterring pipe(s) and the encouraging pipe(s) may be combined with other deterring pipe(s) and/or other e... | 01/03/2012 |
| 7483471 | Cooling device for use in an electric arc furnace A cooling device for use in an electric arc furnace is provided. The cooling device provides a novel and effective method for cooling burners, lances, enclosures, and other devices used in high heat environments, such as in Electric Arc Furnaces. According to one as... | 01/27/2009 |
| 7217123 | Cooled furnace wall A cooled furnace wall comprises a furnace shell with an inner and an outer side and cooling plates lining the inner side of the furnace shell. Each of the cooling plates has a plate body and protruding connection pieces for supplying the cooling plate with a coolant... | 05/15/2007 |
| 7185512 | Installation for the very long storage of products that emit a high heat flux An installation for very long term storage of products emitting a high thermal flux. The installation comprises a container (14), in which the products to be stored are placed, and an evaporator (22) surrounding the container, to evacuate the heat thro... | 03/06/2007 |
| 7132077 | 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 ... | 11/07/2006 |
| 6980580 | Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace The electrode arrangement uses vertically oriented electrodes with side wall contacts for an electrothermic smelting furnace for aluminum production. The side wall contacts are radially moveable into the furnace to compensate for wear on the contacts. The side wall ... | 12/27/2005 |
| 6870873 | Device for improved slag retention in water cooled furnace elements A slag retainer for protecting a water-cooled furnace element through the use of an elongate metal member which extends from inside the furnace, through the furnace wall and into the cooling water of the furnace element so that the insert can be continuously cooled ... | 03/22/2005 |
| 6742699 | Method for manufacturing a cooling element and a cooling element 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 between the lin... | 06/01/2004 |
| 6693949 | Method and device for operating electric arc furnaces and/or resistance furnaces 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 certain distance, forming ... | 02/17/2004 |
| 6580743 | Stave cooler A stave cooler used for cooling a furnace wall of a metallurgical furnace such as a blast furnace, having a structure in which cooling pipes to cool a metal base are cast on the side opposite the furnace interior side of the metal base and a heat resistan... | 06/17/2003 |
| 6563855 | Water jacket of arc furnace A metal-made water-cooling jacket for electric arc furnaces, characterized by comprising an Al diffusion layer having a thickness ranging from 200 to 800 μm, the Al concentration of the outermost surface of the Al diffusion layer being from 10 to 50 wt. ... | 05/13/2003 |
| 6404799 | Water-cooling panel for furnace wall and furnace cover of arc furnace A water-cooled panel for the furnace wall and furnace roof of an electric-arc furnace is integrally fabricated of refractory bricks arrayed on the furnace inner wall in multiple regularly spaced rows to be exposed at the end surfaces and cooling water pip... | 06/11/2002 |
| 6330269 | Heat exchange pipe with extruded fins An apparatus and method for cooling the interior wall of an electric arc furnace. The device is an extruded heavy-walled pipe having a base and a fin or plurality of fins. Such pipes are attached to a plate in serpentine fashion and hung on the inside wal... | 12/11/2001 |
| 6249538 | Cooling device with panels for electric arc furnace Cooling device with panels for electric arc furnaces, employed in an electric furnace in cooperation with the vertical sidewall located above the lower shell (11) of the furnace and/or with the roof (18), the furnace comprising a lower shell (11) to conta... | 06/19/2001 |
| 6185242 | Integral side wall and tap hole cover for an eccentric bottom tap (EBT) electric furnace Spray cooled side wall and tap hole cover for an eccentric bottom tap (EBT) electric furnace which is unitary, i.e. one-piece, and has an inter-connected coolant supply and inter-connected spent coolant drain.... | 02/06/2001 |
| 6144689 | Cooling plate for shaft furnaces A cooling plate for shaft furnaces, particularly blast furnaces, is provided with a refractory lining and is composed of copper or a low-alloy copper alloy with cooling medium ducts, wherein the cooling plate is made from a wrought or rolled ingot, and wh... | 11/07/2000 |
| 6137823 | Bi-metal panel for electric arc furnace An electric arc furnace comprises a bottom, a roof and a side wall. The side wall is formed from a plurality of bimetal panels each having an inner copper face and an outer steel face. The roof may be formed with similar bi-metal panels. The hollow panels... | 10/24/2000 |
| 6104743 | Electric arc furnace cooling apparatus In an electric arc furnace cooling apparatus in which cooling water is made to flow into a plurality of water-cooled panels provided around side walls of a furnace body of an electric arc furnace to thereby cool the furnace body, a water collecting trough... | 08/15/2000 |
| 6031861 | Electrode and cooling element for a metallurgical vessel The present invention relates to an electrode for a metallurgical vessel and to a cooling element for a wall of a metallurgical vessel. In particular, the present invention provides an electrode and a cooling element having a cavity, a device for cooling ... | 02/29/2000 |
| 6028882 | Claus unit cooling and heat recovery system A cooling and heat recovery system for chemical processing vessels. An inner vessel is located within an outer vessel, defining a gap between the two vessels. A heat removal agent is pumped in and out of the gap thereby cooling the wall of the inner vesse... | 02/22/2000 |
| 5772430 | Cooling device with panels for electric arc furnaces Cooling device with panels for arc electric furnaces, which is used in an electric melting furnace in cooperation with the vertical sidewall placed above the lower shell (11) of the furnace, the furnace comprising in its lower part one lower shell (11) to... | 06/30/1998 |
| 5743729 | Cooling device with panels for electric arc furnaces Cooling device with panels for arc electric furnaces, which is used in an electric melting furnace in cooperation with the vertical sidewall placed above the lower shell (11) of the furnace, the furnace comprising in its lower part one lower shell (11) to... | 04/28/1998 |
| 5740196 | End caps and elbows for cooling coils for an electric arc furnance An end cap is provided for adjacent pipes in the cooling coils of an electric air furnace. Each end cap includes parallel opposite side walls and a curved end portion connecting the side walls. The side walls and end portion define a perimeter edge, the o... | 04/14/1998 |
| 5719897 | Furnace vessel for a direct current arc furnace In order to reduce the power loss of a direct current arc furnace the furnace vessel is only partially cooled in the region situated above the melting zone. A first cooling device is provided on a top edge of the vessel. A second cooling device is provide... | 02/17/1998 |
| 5561685 | Modular spray cooled side-wall for electric arc furnaces Spray cooled side-wall assembly for an electric arc furnace which includes individual spray cooled segments joined together to form a furnace side-wall. One or more of the segments can be arch-shaped and surround a spray cooled sub-assembly to address con... | 10/01/1996 |
| 5426664 | Water cooled copper panel for a furnace and method of manufacturing same A cooling panel for use in drawing off excess heat from and protecting the side walls and roof of a furnace such as an electric arc furnace, the cooling panel being preferably made entirely out of oxygen-free pure copper. The cooling panel is a wall havin... | 06/20/1995 |
| 5241559 | Electric arc furnace roof An electric arc furnace has a dished hearth, vertical side walls, and a relatively flat roof consisting of a center portion, a relatively planar outer portion and a cylindrical skirt which abuts the side wall to define a space above and around the expecte... | 08/31/1993 |
| 5197080 | End cap for cooling coils for an arc furnace An end cap is provided for adjacent pipes in the cooling coils of an electric air furnace. Each end cap includes parallel opposite side walls and a curved end portion connecting the side walls. The side walls and end portion define a perimeter edge, the o... | 03/23/1993 |
| 5153894 | Smelting plant with removable shaft-like charging material preheater This invention is directed to a smelting plant with shaft-like charging material preheater. In a smelting plant with an electric arc furnace (1) and a charging material preheater (2) of shaft configuration arranged laterally on the furnace, the outer wall... | 10/06/1992 |
| 5121406 | Induction melting furnace The invention relates to an induction melting furnace 1 for metals which are difficult to melt including an induction coil 2 surrounding the crucible 3 and a mold receptacle 4 surrounded by an annular chamber 5 to hold the cooling agent. The crucible 3 is... | 06/09/1992 |
| 5109389 | Apparatus for generating an inductive heating field which interacts with metallic stock in a crucible An apparatus for melting metallic stock as a crucible in which the metallic stock is received and melted, the stock in the crucible having an axis along which the force of gravity varies, and an inductive heating system which generates an inductive heatin... | 04/28/1992 |
| 4979896 | Cooling device of heating furnace in thermal analyzer A cooling device provided in a thermal analyzer to cool a heating furnace by heat exchange between a cooling medium and the heating furnace based on direct and uniform gas-to-solid contact, and constructed to facilitate replacement of a sample in the cool... | 12/25/1990 |
| 4870655 | Apparatus for recovery of metallics and non-metallics from spent catalysts An electric arc furnace includes a crucible having a metal shell for recovering precious metals from spent material. The shell includes a metal tap hole and a slag door positioned above and opposite the metal tap hole. A removable swinging roof is provide... | 09/26/1989 |
| 4715042 | Furnace cooling system and method A spray cooling system for cooling a furnace for the melting or treatment of molten metal, and particularly the roof and/or sidewall of electric-arc, plasma-arc and ladle furnaces. Other types of metal treating furnaces and accessory equipment may also be... | 12/22/1987 |
| 4637034 | Cooling panel for electric arc furnace A water cooling panel forms a part of or substitute for the wall of a metallurgical furnace, such as an electric arc furnace. The panel can be formed alternately as a tube type cooler formed of parallel pipes connected at its ends in headers, with the lat... | 01/13/1987 |
| 4603423 | Process and device for the cooling of furnaces To counteract the danger of the penetration of coolant in the use of a liquid-cooled device for cooling of vessel walls (27) for arc furnaces (1) and the serious consequences resulting therefrom, a pressure is created in the coolant in the thermally highl... | 07/29/1986 |
| 4580271 | Electric arc furnace equipped with removable panels Electric arc furnace of the type comprising a bottom structure (1, 2) comprising the floor, a top structure (3) connected to the bottom structure by supporting columns (5), and cooled removable panels (6) filling the space between the two structures. Each... | 04/01/1986 |
| 4563766 | Electric arc furnace for melting metal, especially steel An electric arc furnace for melting metal, especially steel, includes a container having an upper open ended substantially cylindrical wall portion and a lower cylindrical wall portion extending downwardly therefrom and being closed at the bottom and rece... | 01/07/1986 |
| 4559011 | Cooling arrangement for shaft furnaces The cooling arrangement comprises spaced apart cooling tubes arranged in a frame and interconnected with metallic tie plates. For decreasing thermal stresses without loss of strength throughout the structure, each tie plate is tangentially welded with its... | 12/17/1985 |
| 4528672 | Weld insert and refractory anchor A protective refractory member for protecting heat-absorptive elements in a high-temperature furnace comprises a refractory shape, an interconnected, reticulated metal mesh embedded within the shape and positioned substantially adjacent an inner surface o... | 07/09/1985 |
