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| Number | Title | Issue Date |
| 8052920 | Apparatus for observing interior of a blast furnace system An apparatus for observing the interior of a blast furnace system includes a visible light guiding unit which defines a light path along a viewing axis that is radial to an upright axis of a furnace wall body of a blast furnace and which is adapted to be secured to ... | 11/08/2011 |
| 7943082 | Water-cooling jacket structure for inspection hole of flash furnace A water-cooling jacket structure 10 for an inspection hole of a flash furnace 1 is arranged at the periphery of a concentrate burner 7 to inspect and clean the inside of the furnace and the concentrate burner 7, and formed in a cylindrica... | 05/17/2011 |
| 7871559 | Inspection hole structure for flash-smelting furnace An inspection hole structure 1 forming a furnace inspection hole 2 installed on the reaction shaft ceiling 104 of a flash smelting furnace, comprising a lower-stage water-cooling jacket 3A having an opening 3Aa at the center; an up... | 01/18/2011 |
| 7371342 | Method for unlocking nozzles of reactors Method intended to unblock enriched air blow or reaction gases nozzles in reactors or fusion converters for mining industry pyrometallurgy CHARACTERIZED by the injection of discrete air impacts with time intervals regulated to high pressure and rate through the enri... | 05/13/2008 |
| 7276205 | Injection device and process for the injection of a fluid The invention relates to an injection device for the reliable introduction of a fluid into a metallurgical vessel having a refractory lining, the device being removably insertable in the lining; comprising a refractory first body (2) and a refractory second b... | 10/02/2007 |
| 7240673 | Flange for flame observation A flange (1) for optical flame observation in a gas turbine includes at least one bore for optical observation, in which bore there is arranged at least one pane (9, 10) for separating the flame-side space, which is in substantially direct communicatio... | 07/10/2007 |
| 7140765 | Device and method for discrete and continuous measurement of the temperature of molten metal in a furnace or recepient for its production or treatment A device (10) for continuous measurement of the temperature of molten metal in a furnace or recipient for its production and treatment comprises a heat analysis instrument (14) placed in a lance (12) which blows inert gas and/or high-pressure co... | 11/28/2006 |
| 7054824 | Method of demanufacturing a product Obsolete and unwanted computer and other products are demanufactured according to a method of recovering the largest revenue. An optimum level of disassembly and parts removal is determined based on strategies involving outright sale, sale of parts, disassembly cost... | 05/30/2006 |
| 6929773 | Slag detector for molten steel transfer operations A method of determining disturbances when discharging molten metal from a metallurgical container having an outlet into a receiving container. In steps of this process, a real time video image of the teeming stream is monitored to detect the presence of a slag phase... | 08/16/2005 |
| 6923573 | Apparatus and method for measuring temperature of molten metal The invention provides a cooling system for protecting an image fiber and an imaging device from thermal influences and a temperature measurement apparatus, for a molten metal, capable of being easily controlled and stably measuring the temperature. The temperature ... | 08/02/2005 |
| 6837616 | Method and system for determining the rotational position of a molten metal vehicle In accordance with one aspect of the disclosure, a method of sensing the temperature of a molten metal vehicle is provided. In one exemplary embodiment, the method includes utilizing at least one thermal imager located to the side of the molten metal during the disp... | 01/04/2005 |
| 6602322 | High temperature metal recovery process An improved method and apparatus for recovering metal values from Electric Arc Furnace dust, particularly zinc and iron values, by mixing EAF dust and carbonaceous fines to form a particulate mixture; heating the mixture at a sufficient temperature and fo... | 08/05/2003 |
| 6562285 | Method and apparatus for detecting slag carryover A method for representing slag in a molten metal stream is disclosed, comprising the steps of obtaining and storing digital images of the molten metal stream, identifying areas of similarity on the basis of texture and intensity, defining a subset of thos... | 05/13/2003 |
| 6440355 | Apparatus for measuring bath level in a basic oxygen furnace to determine lance height adjustment The present invention is directed to an oxygen lance crane assembly that includes a measuring device positioned to take measurements to a target area within a BOF vessel. The measuring device includes an optical head for receiving and directing an energy ... | 08/27/2002 |
| 6245122 | Apparatus and method for reclaiming scrap metal An apparatus and method for reclaiming contaminated scrap metal, more particularly an improved reverberatory furnace designed for melting scrap. The amount of hydrocarbons volatilized from the melting of contaminated scrap is measured and the fumes are pa... | 06/12/2001 |
| 6206986 | Method and apparatus for monitoring and controlling the quality of a galvannealed coating of steel strip A method and an apparatus for monitoring and controlling the quality of the galvannealed coating of steel strip immediately following the galvannealing step, wherein the hot galvanized coating of the steel strip produced by hot dipping is converted into F... | 03/27/2001 |
| 6080223 | Flame detection monitoring system for detecting blockages in blast furnace injection paths A flame detection system for detecting blockage in oil injection paths into blast furnaces utilized in the manufacture of iron. The flame detection system, as designed and installed, monitors the amount of light seen through a blowpipe peephole and causes... | 06/27/2000 |
| 6071466 | Submergible probe for viewing and analyzing properties of a molten metal bath An apparatus and method for viewing and analyzing the interior of a molten metal bath during treatment in a metallurgical vessel comprises a concentric pipe tuyere extending into an open mouth of the vessel and below the surface of the bath and comprising... | 06/06/2000 |
| 5948137 | Scrap metal measuring and weighing process and apparatus An on-line system for measuring the composition of scrap metal, including a loader with a load sensor having a motion compensator linked to a bulk material analyzer such as a prompt gamma-ray neutron activation analyzer. The grade of scrap used to prepare... | 09/07/1999 |
| 5830407 | Pressurized port for viewing and measuring properties of a molten metal bath An apparatus and method for viewing and analyzing the interior of a molten metal bath during treatment in a metallurgical vessel comprises a concentric pipe tuyere extending into the vessel below the surface of the bath and comprising an inner pipe throug... | 11/03/1998 |
| 5694480 | Molten slag flow rate measuring device and furnace facilities using the same Vortex melting furnace facilities picks up an image of molten slag flow in a direction traverse to the molten slag flow discharged from the furnace, calculates a molten slag flow rate by brilliance discrimination of the image pick-up signal and controls a... | 12/02/1997 |
| 5610346 | Apparatus for storing and dropping expendable BOF sensors A sensor dropper for storing, shielding and dropping sensors into a BOF vessel. The sensor dropper includes a support frame to move the stored sensors toward or away from a sensor drop path leading into said BOF vessel, a dropper assembly supported on the... | 03/11/1997 |
| 5597528 | Impact pad An impact pad for use in a ladle for molten metal comprising a body of refractory material having a lower portion shaped to fit in a ladle and a tapered upper portion having corrugations at the top, the lower portion being grooved around its periphery and... | 01/28/1997 |
| 5566626 | Incineration kiln devices and methods of protecting the same An incineration kiln of the slagging mode, which has an outer shell and a protective layer inside the shell with quantum failure identifiers. The quantum failure identifiers recognizes one or more stages of increasing degree of failure of the protective l... | 10/22/1996 |
| 5520371 | Apparatus and method for viewing an industrial process such as a molten metal atomization process An apparatus, system and method for viewing an industrial process in an obscuring environment, such as molten metal atomization, is disclosed. An enclosure defining a chamber for containing a particulate form from atomized liquid metal has a nozzle for at... | 05/28/1996 |
| 5431495 | Temperature probe for determining carbon sooting temperatures of oil mixtures on steel strips A temperature probe is disclosed for determining the temperature at which residual oils can be vaporized from cold rolled strip without producing free carbon. The probe includes an open ended first tubular member with a burner mounted at one end of the fi... | 07/11/1995 |
| 5421561 | Gas stir devices with refractory material erosion depth indicator and method of making the same A device, e.g., a stirring plug or a mono-block stirring plug and pocket block set, for introducing gas into a mass of molten metal. The devices each have a body formed of a first refractory material. The stirring plug has plural V-shaped, gas carrying sl... | 06/06/1995 |
| 5401005 | Silver recovery cell An improved cell for removal of silver ions from a liquid such as used photographic fixer includes a container having enclosed side and bottom walls. Fluid flow inlets and outlets for the flow of a liquid into and out of said cell are provided at opposite... | 03/28/1995 |
| 5397108 | Peepsight for blast furnace tuyere sensor system A peepsight for a blast furnace tuyere sensor system comprises a housing in which is mounted a colored glass viewing window and one end of a fiber optic cable directed toward a tuyere so that an operator can view the interior of the furnace and the cable ... | 03/14/1995 |
| 5330160 | Gas stir plug wear indicator including low melting point component and method of use A gas stirring plug for introducing gas into a mass of molten metal. The plug is a generally frusto-conical shaped member which is worn away during use and which should be replaced when it has worn away to a predetermined point and comprises a shell, a co... | 07/19/1994 |
| 5202079 | Means and method for determining the degree of wear of a gas injection device A refractory gas permeable injection device for introducing gas into a metallurgical vessel containing molten metal has a surface to be exposed to and progressively worn away by the molten metal during operation of the vessel. The device includes an outer... | 04/13/1993 |
| 5100111 | Device for the detection of the temperature course of a metal or metal alloy melt using measurement techniques The invention relates to a device for the detection with measuring techniques of the temperature course of a metal or metal alloy melt in a container (39) which is influenceable by a heating device (22 to 24) and a cooling device (33). The temperature cou... | 03/31/1992 |
| 5071105 | Gas torch with visual observation device The torch fitted with a nozzle (6) comprises a visual observation optical device having one end part coaxially inside the central gas feed pipe (7) and the other end extending outside the body (1) at the opposite end to the nozzle; the optical device bein... | 12/10/1991 |
| 5052661 | Controlling heat treating furnaces A method and apparatus for determining the correct temperature of a heated coil of sheet material and for using said measurement to control a heat treating furnace. The method includes providing a spot of heat resistant material having a known and constan... | 10/01/1991 |
| 5002262 | Apparatus for charging material to be sintered into a sintering machine An apparatus for charging material to be sintered into a sintering machine comprises a shuttle conveyor transporting pelletized material to be sintered, a wide conveyor receiving said pelletized material from the shuttle conveyor and feeding the pelletize... | 03/26/1991 |
| 4968007 | Anti-slag, anti-vortex tundish measurement apparatus An anti-slag, anti-vortex tundish measurement apparatus for use in tundishes or other molten metal receptacles provides a measurement of the depth of the molten metal layer above the bottom of such receptacles. The apparatus includes a body mounted on a f... | 11/06/1990 |
| 4949940 | Charging arrangement for shaft furnaces, in particular blast furnaces A charging arrangement for shaft furnaces, in particular blast furnaces, comprising a container which is arranged above the shaft furnace and which is subdivided by a separating wall into a lower distributor chamber and an upper lock chamber to which the ... | 08/21/1990 |
| 4944495 | Method and apparatus for leveling a refractory bed surface A leveling apparatus for leveling a surface of refractory bed comprised of refractory pebbles. The leveling apparatus is comprised of a disk having a level bottom surface suitable for positioning upon the surface of the refractory bed. A plurality of spac... | 07/31/1990 |
| 4759299 | Deslagger for instrument equipped boiler port An instrument assembly is mounted to view the inside of a furnace or boiler, its probe extending into a port in the furnace wall. To remove slag built up within the port, a deslagger unit is mounted upon the assembly and includes a shiftable blade surroun... | 07/26/1988 |
| 4749171 | Method and apparatus for measuring slag-foam conditions within a converter A method and apparatus for directly observing the slag-foaming conditions in a vessel interior. A device for observing the vessel interior light is disposed in a throughhole extending through the side wall of a top-blowing or top- and bottom-blowing conve... | 06/07/1988 |
