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| Number | Title | Issue Date |
| 7947217 | Metallurgical processing installation Metallurgical processing installation comprising a metallurgical vessel lined internally with water cooled panels. A vessel access tower (61) fits around vessel (11) and supports a coolant flow system (62) to provide for flow of cooling water to... | 05/24/2011 |
| 7537724 | Cooling plate for metallurgic furnaces The invention relates to a cooling plate made of copper or a low-alloy copper alloy for metallurgic furnaces provided with high-strength sheet steel on the outside of the furnace. Said cooling plate has at least one, preferably at least two, coolant channels which e... | 05/26/2009 |
| 7465422 | Cooling element Disclosed is a method for manufacturing a cooling element (1) to be used in the structure of a furnace used in metal processes, such as a flash smelting furnace, a blast furnace, an electric furnace or other metallurgical reactor, the cooling element having a... | 12/16/2008 |
| 7204953 | Cooling plate A cooling plate (1) made of copper or a copper alloy for blast furnaces has a plurality of bore holes (6) for accommodating a cooling medium. The bore holes (6) are connected to a cooling medium intake (12) and a cooling medium outlet via... | 04/17/2007 |
| 6911176 | Cooling element 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 water circulation.... | 06/28/2005 |
| 6843958 | Copper cooling plate for metallurgical furnaces A metallurgical furnace provided with a refractory lining and an outer furnace steel jacket, having copper cooling plates, wherein a flow of cooling medium flows through the cooling plates arranged between the furnace steel jacket and the refractory lining. Cooling ... | 01/18/2005 |
| 6838044 | Cooling plate and method for manufacturing a cooling plate The present invention relates to a cooling plate for use in the inner lining of metallurgical furnaces, especially smelting furnaces or shaft furnaces, and relates to a method for manufacturing a cooling plate. The cooling plate has a plate member, which is made of ... | 01/04/2005 |
| 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 |
| 6783726 | Cooling element and method for manufacturing cooling elements 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 element housing... | 08/31/2004 |
| 6773658 | Casting mould for manufacturing a cooling element and cooling element in said mould The invention relates to a casting mould for manufacturing of a cooling element for a pyrometallurgical reactor, wherein the casting mould is at least partly cooled and lined with a material that can withstand high temperatures. The invention also relates to the coo... | 08/10/2004 |
| 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 |
| 6660222 | Cooling plate for a shaft furnace A cooling plate for shaft furnaces, in particular, for blast furnaces, provided with a refractory lining, comprising cooling channels loadable with a cooling medium, wherein at least the front side facing the interior of the furnace is comprised of an ing... | 12/09/2003 |
| 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 |
| 6544468 | Method for cooling a shaft furnace loading device The invention concerns a method for cooling a shaft furnace loading device, said loading device being equipped with a ring-shaped rotary joint (40), provided with a fixed ring-shaped part (56) and a rotating ring-shaped part (46), for supplying cooling li... | 04/08/2003 |
| 6416708 | Wall structure for a metallurgical vessel and blast furnace provided with a wall structure of this nature A wall structure for a metallurgical vessel at the location where the vessel wall, on the hot side, is in contact with liquid metal and/or liquid slag, in particular for the hearth of a shaft furnace, comprising a steel plate lining (2), inside which lini... | 07/09/2002 |
| 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 |
| 6258315 | Furnace body structural member for metallurgical shaft furnace A structural member of a furnace body for a shaft furnace includes a metallic structural member (1) having a flow path for a coolant therein; inner furnace refractories (2) provided on a cooling surface of the metallic structural member; metallic supporti... | 07/10/2001 |
| 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 |
| 6132673 | Cooling plates for shaft furnaces Cooling plates for shaft furnaces, particularly blast furnaces, provided with refractory linings, are made of copper or a low-alloy copper alloy and are provided with cooling agent ducts in their interiors. Each cooling plate is manufactured from a rough ... | 10/17/2000 |
| 6126893 | Stave for cooling of blast furnace walls and method of manufacturing same In the structure of a stave for cooling carbon fire-bricks laid on a hearth side wall of a blast furnace, the stave arranged between the carbon fire-bricks on the hearth side wall and a shell is made of a rolled steel plate. The stave body is formed in su... | 10/03/2000 |
| 6090342 | Stave for metallurgical furnace A stave for a metallurgical furnace comprises a stave body and a path for a coolant. The stave body is unitarily formed of a casting of copper or a copper alloy. The path for a coolant is formed within the stave body when the stave body is cast, and the p... | 07/18/2000 |
| 5904893 | Plate cooler for metallurgical furnaces, blast furnaces, direct reduction reactors and gassing units provided with a refractory lining particularly for the iron and steel industry A plate cooler is provided for metallurgical furnaces lined with a refractory lining, comprising cast copper or a low-alloy copper alloy with coolant ducts arranged in its interior. The coolant ducts are prefabricated, comprising copper pipe sockets, copp... | 05/18/1999 |
| 5779970 | Convection cooking oven with a cooled interior The invention concerns a baking ring furnace characterized by the fact that the two parallel rows of cooking chambers are separated by a unique central wall or interior film or space which is capable of being specifically cooled and made firmly attached t... | 07/14/1998 |
| 5772955 | Apparatus for suspension smelting The invention relates to an apparatus for the suspension smelting of sulfidic, finely divided raw materials containing metals, such as copper, nickel and lead, by using oxygen enrichment. In this method into the suspension smelting furnace (1) there is fe... | 06/30/1998 |
| 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 |
| 5678806 | Plate coolers for shaft furnaces Plate coolers including a plate cooler made of copper or a low-alloy copper alloy for shaft furnaces, especially blast furnaces, with blind holes arranged in the cooling body for passing through cooling water, as well as with vertical side flanges arrange... | 10/21/1997 |
| 5676908 | Plate for cooling shaft furnaces The present invention concerns a plate (1) for cooling a blast furnace and forged or rolled out of a blank of copper or mainly-copper alloy. Vertical bores (3) extend into the plate. A detachable furnace-cooling component (4) with vertical bores (5) and horizo... | 10/14/1997 |
| 5662860 | Apparatus for producing molten pig iron by direct reduction Apparatus for producing molten pig iron by direct reduction of iron ore, comprises (i) a metallurgical vessel, in which with supply of coal and oxygen the iron ore undergoes a final reduction with production of a process gas and said process gas undergoes... | 09/02/1997 |
| 5653936 | Method of cooling a hot surface and an arrangement for carrying out the method In a method of cooling a hot surface, a liquid cooling medium is atomized by a plurality of nozzles in a hollow space surrounding the surface and open towards the atmosphere. In order to ensure uniform continuous, yet just sufficient, cooling of the hot s... | 08/05/1997 |
| 5650119 | Cooling plate for a blast furnance The present invention concerns a slab (1) for cooling a blast furnace and made of a mass of copper or high-copper alloy forged or rolled into a blank. The edges of the slab accommodate narrower vertical and horizontal part-way bores (13 & 14) disposed aro... | 07/22/1997 |
| 5503373 | Shaft furnace A shaft furnace, e.g. a blast furnace, has a bosh, a shaft and a mantle ring at the transition from the bosh to the shaft. At both the bosh and the shaft, there is a steel jacket and a refractory lining on the inside of the steel jacket. Cooling elements ... | 04/02/1996 |
| 5378260 | Two-zone countercurrent smelter system and process A process for continuously smelting iron ore by use of coal to yield molten iron or semi-steel is disclosed. The process comprises the steps of establishing a melt covered by slag; inducing the slag and the molten iron to flow countercurrently to one anot... | 01/03/1995 |
| 5295666 | Cooling plates for blast furnaces and cooling installation employing this type of plate A cooling plate for a blast furnace is provided including a C-shaped body having two arms which define two continuous horizontal lips being separated by a space, a plurality of inner tubes for carrying a circulating cooling fluid, and a lining element of ... | 03/22/1994 |
| 5290016 | Arrangement for cooling vessel portions of a furnace, in particular a metallurgical furnace An arrangement for cooling vessel portions of a furnace (1) having a cooling box which is fitted into a wall or cover region to be cooled or which forms a wall or cover region and which, towards the furnace interior (6), includes a heat exchange plate (2)... | 03/01/1994 |
| 5251882 | Liquid-carrying cooling element for shaft furnaces A cooling element for shaft furnace walls including a metallic plate body with interior coolant-carrying tubes. The lower edge of the plate body includes a holding nose for refractory brickwork. The nose has at least one additional cooling tube. The cooli... | 10/12/1993 |
| 5060913 | Integrated metallurgical reactor A smelting reduction process is carried out in a smelting reactor which includes a central internal carburization/combustion plenum or chamber in which hot metal is carburized by the injection of coal fines and heated by post combustion of the coal gases.... | 10/29/1991 |
| 4938456 | Metallurgical panel structure A metallurgical cooling panel comprising an outer plate member providing a pari of generally flat cold face surface portions of tangertial construction for plug welding attachment to the peaks of a corrugated inner plate member, an inner plate member bein... | 07/03/1990 |
| 4892293 | Brick casting method of making a stave cooler A method of producing a hearth stave cooler including a cooling pipe cast therein for cooling furnace walls of a blast furnace or the like and having refractory bricks on the working side of the stave cooler, wherein one of the upper and lower surfaces of... | 01/09/1990 |
| 4787605 | Coolable furnace wall structure A coolable furnace wall structure has a steel shell and a refractory lining of the shell. Spaced apart openings through the shell, correspond with recesses in the lining which have a transverse width which increases away from the shell. In each opening an... | 11/29/1988 |
