Class 266/190 - With cooling of heating means

Subclass of Class 266 - Metallurgical apparatus
Definition: Device including means for maintaining the temperature of
No. of patents: 28
Last issue date: 06/15/2004

Number	Title	Issue Date
6749664	Furnace hearth for improved molten iron production and method of operation An apparatus and method for the direct reduction of iron oxide utilizes a hearth furnace having a vitreous hearth layer of conditioning materials, with the vitreous hearth layer introduced onto a refractory surface of the furnace. The vitreous hearth layer may have ...	06/15/2004
6638473	Cooling device for blast furnace bottom wall bricks The present invention is: a cooling apparatus, capable of extending the service life of a blast furnace by suppressing the molten-iron-induced erosion of a carbon brick in the sidewall of a blast furnace bottom by preventing the cooling ability for the ca...	10/28/2003
6413295	Iron production method of operation in a rotary hearth furnace and improved furnace apparatus The present invention is an apparatus and method for the direct reduction of iron oxide utilizing a rotary hearth furnace to form a high purity carbon-containing iron metal button. The hearth layer may be a refractory or a vitreous hearth layer of iron ox...	07/02/2002
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
6224820	Method of producing a reduced metal, and traveling hearth furnace for producing same A traveling hearth for producing reduced metal by charging and stacking a raw material containing a metal-containing material and a solid-reducing material on a horizontally moving hearth, arranged for disposing a solid-reducing material layer on the hear...	05/01/2001
6146440	Process for the direct production of cast iron from iron bearing ore, and an apparatus suitable to carry out said process A process is described for direct production of cast iron starting from iron bearing ore in an apparatus having two communicating chambers in which to carry out the process, comprising the following operations: pre-reduction and pre-heating to founding po...	11/14/2000
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
5911967	Process and apparatus for production of ferric oxide from iron chloride solutions A process and an apparatus for the production of iron oxides having low chloride ion content comprising charging of a free HCl containing iron chloride solution into a spray roaster with a feeding device and a spray boom for charging the iron chloride con...	06/15/1999
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
5513835	Distributing chute for a furnace A distributing chute for installation in a furnace, particularly suitable for use in a bell-less charging system of a blast furnace, comprises heat-resistant ceramic tiles on its underside. These ceramic tiles are inserted between, and secured by, hollow ...	05/07/1996
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
4903640	Panel adapted for coolant through flow, and an article incorporating such panels A panel 1, 1A, adapted for the flow of coolant, therethrough, comprising coolant flow tubing having a coolant inlet aperture 11C at an inlet end of the coolant flow tubing and a coolant outlet aperture 12A at an outlet end of the coolant flow tubing, char...	02/27/1990
4455017	Forced cooling panel for lining a metallurgical furnace A forced cooling, metallic, refractory coated, high strength, modular, extreme heat withstanding, long life lining element for partial or total lining of metallurgical furnaces above the hot metal and slag levels, in particular melting Electric Arc and Pl...	06/19/1984
4413811	Water-cooled, liningless cupola An improved water-cooled, liningless cupola wherein the lower portion of the water-cooled body section, including the high heat area above the tuyeres, tapers inwardly toward the bottom with the taper terminating a short distance above the tuyeres and wit...	11/08/1983
4414022	Method and apparatus for smelting sulfidic ore concentrates Method and apparatus for smelting a sulfidic ore concentrate such as a copper concentrate in which the concentrate is smelted in an oxidizing atmosphere, the melt is after-treated with reducing gases from a plurality of lances which blow the reducing gase...	11/08/1983
4382585	Cooling plate for furnaces A copper or copper alloy ingot is forged or rolled into a plate; blind bores are deep-drilled into the plate from one of its narrow edges and plugged; inlet and outlet nipples for the ducts are provided on the rear surface; and the front surface of the pl...	05/10/1983
4367867	Cooling support elements for metallurgical furnace A metallurgical furnace is equipped with interconnected cooling pipes which are supported by structure which includes horizontal rings arranged as a cage around the furnace....	01/11/1983
4358094	Furnace system for smelting ore concentrate and the like A furnace system for smelting ore concentrate and the like which includes a furnace housing provided with wall means which divide the housing into a smelting shaft, an exhaust gas shaft and a settling hearth. The settling hearth and the smelting shaft are...	11/09/1982
4337927	Furnace installation particularly for the melting of ore concentrate A furnace assembly of the type used for melting of ore concentrate, wherein at least one separating wall is provided within the confines of the furnace to dip into the melt and divides the furnace space into separate melting, settling, and exhaust spaces....	07/06/1982
4325538	Smelting furnace for direct obtaining of copper from ore concentrates/and copper ores The subject of the invention is a method of prevention of deep infiltration of copper into a lining of a smelting furnace for direct obtaining of copper from ore concentrates and copper ores. The essence of the invention consists in that to the lower part of t...	04/20/1982
4310147	Cooled components for furnaces To improve the resistance to abrasion during use of cooled components, such as tuyeres and stack and bosh coolers, in furnaces a refractory or a metal with greater abrasion resistance than the metal, which is normally copper or a copper alloy, used for th...	01/12/1982
4230307	Cooling apparatus for copper converter opening A cooling device for a converter opening, such as a Peirce-Smith copper converter, has been disclosed wherein a cooling medium, which is a combustible liquid of high temperature cracking characteristics, is introduced in cooling conduits floatingly dispos...	10/28/1980
4210101	Heat exchange devices for cooling the wall and refractory of a blast furnace The invention concerns heat exchange devices for cooling the wall and the refractory of a blast furnace. Such a device, constituting a cooling box, comprises: a closed enclosure, elongated and having a shape of revolution or substantially of revolution, t...	07/01/1980
4192258	Cooling boxes for blast-furnaces A box for cooling, by water circulation, the plating of blast-furnaces. This box comprises: a nose, directed towards the inside of the blast-furnace in the mounting position of the box, made from copper or from an essentially copper based alloy and defini...	03/11/1980
4049502	Method of and apparatus for distilling of liquids The steam which develops during water cooling of a furnace is withdrawn from the cooling system of the furnace, introduced into a distillation plant wherein it is subjected to at least partial condensation, and the thus-obtained condensate is recirculated...	09/20/1977
4027863	Suspension smelting furnace for finely-divided sulfide and/or oxidic ores or concentrates A suspension smelting furnace system for suspension smelting of finely-divided sulfidic and/or oxidic ores or concentrates is disclosed. The furnace system has a horizontal lower furnace to which the lower ends of at least one vertical suspension reaction...	06/07/1977
4024903	Evaporative cooling method by natural circulation of cooling water In an evaporative cooling method by natural circulation of cooling water by the use of an evaporative cooling device comprising a cooling pipe fitted to an object to be cooled and a steam separator drum arranged above said cooling pipe, said cooling pipe ...	05/24/1977
3995687	Water cooling system for a shaft type furnace In a closed circuit system for circulating cooling water to various parts of a shaft type furnace, particularly a blast furnace, the closed circuit includes a water cooling device and two separate feed lines disposed in parallel and each arranged to cool ...	12/07/1976

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Class 266/190 - With cooling of heating means