| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 373071000 | Furnace body detail | 23 |
| 20090245319 | Burner/Injector Panel Apparatus - The present invention generally relates to an apparatus and method 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/injector panels and related methods for the introduction of various energy sources, such as, for example, chemical energy, oxygen and particulates into an EAF. | 10-01-2009 |
| 20090274190 | MELTING FURNACE, IN PARTICULAR ELECTRIC ARC FURNACE - In order to design the accommodation space of the furnace vessel of a melting furnace to be variable, so that it is adaptable to various volumes, which are required for different feedstocks (light scrap, heavy scrap) to achieve the tapping weight intended for the melting furnace, the cylindrical upper vessel part ( | 11-05-2009 |
| 20100118910 | SILL AND DOOR JAMB ASSEMBLY FOR ELECTRIC ARC FURNACE - A sill and door jamb assembly providing an opening in an electric arc furnace. A shell comprised of side walls and a lower bowl and a refractory layer lining the bowl and side walls. The refractory layer includes continuous courses of refractory bricks along the inner surface of the side walls of the shell. The sill and door jamb assembly is comprised of a sill block assembly and two jamb block assemblies. The sill block assembly is comprised of side-by-side sill blocks, each of the sill blocks having an upper end with an upper surface, a lower end with a lower surface, and an inner surface facing the interior of the furnace. The sill blocks being positioned side-by-side to form the sill block assembly and having an upper end and a lower end. The lower end of the sill block assembly is confined within a plurality of courses of the refractory bricks. Each jamb block assembly is comprised of a plurality of jamb blocks positioned side-by-side. Each of the jamb block assemblies has a lower end supported by the plurality of courses of refractory bricks, and inner surfaces abutting the distal ends of the sill block assembly. The inner surfaces of the jamb block assemblies and the upper surface of the sill block assembly form the slag opening in the furnace. | 05-13-2010 |
| 20110038391 | ARC METALLURGIC FURNACE SLAGGING DOOR - An arc metallurgic furnace slagging door comprising a lower slag removing-pushing movable panel ( | 02-17-2011 |
| 373072000 | Hearth or crucible | 6 |
| 20080232424 | Hearth plate including side walls defining a processing volume - A hearth plate ( | 09-25-2008 |
| 20080317085 | Lining for Carbothermic Reduction Furnace - An inner lining for the steel shell of a carbothermic reduction furnace for the production of alumina has a base layer of graphite and a coating layer of refractory material. The refractory material is corundum (Al | 12-25-2008 |
| 20120224601 | BURNER AND/OR INJECTOR PANEL APPARATUS, METHODS OF INSTALLATION AND USE OF THE SAME IN A METAL-MELTING FURNACE, AND METAL-MELTING FURNACE INCLUDING THE SAME - A burner and/or injector panel apparatus includes a flange rotatable within a cylindrical aperture in a horizontal plate and securely retainable between one or more retaining clips and the plate. Extending downward from the flange is a main body with a cylindrical chamber. A burner, burner/injector, or injector is contained within the cylindrical chamber. The main body has a helical cooling circuit extending around the cylindrical chamber and burner and/or injector. The burner and/or injector panel apparatus may be installed through a furnace wall, especially an electric arc furnace, more particularly, a balcony panel of a sump area of an electric arc furnace. The burner and/or injector panel apparatus may be tilted from horizontal or rotated around its vertical axis in order to better target a target area of a molten bath of metal with a flame, jet of oxygen, or stream of carbon particles. | 09-06-2012 |
| 20160123666 | MELTING FURNACE - The present invention relates to a melting furnace, containing a furnace shell, a furnace shell moving mechanism that supports the furnace shell so as to be movable on an installation surface, a pipe or a wiring that has one end fixed to the furnace shell and has at least partially a flexible portion, and a stand containing a supporting part that supports a halfway portion of the pipe or the wiring, and a stand moving part that is coupled to the supporting part and moves the supporting part on the installation surface in synchronous with movement of the furnace shell, in which the stand is mounted on the installation surface so as to be movable up and down with respect to the furnace shell. | 05-05-2016 |
| 20160123667 | ELECTRIC ARC FURNACE - The present invention relates to an electric arc furnace, containing a furnace shell, an electrode, a furnace shell moving mechanism that supports the furnace shell so as to be movable on an installation surface, and a first insulation that electrically insulates between the furnace shell and the furnace shell moving mechanism. | 05-05-2016 |
| 20220136769 | Powder Feeder System And Method For Recycling Metal Powder - A powder feeder system for a foundry system having a mixing hearth includes a housing assembly, and a feeder assembly in the housing assembly having a moveable barrel feeder for feeding a pre-weighed charge of metal powder into the mixing hearth of the foundry system during operation thereof. A method for recycling metal powder includes the steps of melting a content of the mixing hearth completely; and then feeding the metal powder into the mixing hearth while the contents of the mixing hearth are still molten using the powder feeder system. | 05-05-2022 |
| 373073000 | Roof | 8 |
| 20090168831 | ELECTRIC ARC FURNACE ROOF TOP AND CENTRAL PORTION FOR THIS ROOF TOP - An electric arc roof furnace top contains a central portion and a peripheral portion surrounding the central portion. Each of these portions has an inner surface suitable for facing the furnace inner space. The inner surfaces of the peripheral and central portions form together a step so as to raise the inner surface of the central portion in relation to the inner surface of the peripheral portion with respect to the furnace inner space. | 07-02-2009 |
| 20110243179 | Roof System for Electric Arc Furnace and Method for Manufacturing the Same - A roof system for an electric arc furnace includes a skew removably attached to the electric arc furnace, a lining of refractory material affixed to the skew, and a delta composed of a refractory material. The delta has at least one aperture capable of receiving an electrode. The delta fits onto and is supported by the refractory lining that is affixed to the skew. | 10-06-2011 |
| 20120134384 | Electric Arc Furnace - This invention concerns an electric arc furnace comprising a chamber suitable for containing molten steel; a roof suitable for covering the chamber and for containing a mass of scrap steel; electrodes suitable for melting the mass of scrap, and means of support on a base. The latter means are such as to support the chamber and permit its oscillation around a horizontal axis of rotation. The roof and the chamber are counterprofiled in correspondence to the respective interface walls to create a rotoidal type coupling with regard to the axis of rotation. The roof, during oscillation of the chamber, remains fixed with regard to the base as well as in a closed position with regard to the chamber. | 05-31-2012 |
| 20130208755 | LIFT AND PIVOT DEVICE FOR A COVER OF A FURNACE AND FURNACE SYSTEM AND METHOD FOR CHARGING AND SERVICING SUCH A FURNACE SYSTEM - A lift and pivot device for a cover of a furnace including a guide housing having a base plate, a rotatably mounted slide roller, and a vertical opening; a lift pin that can be lifted and lowered inside the vertical opening; a lift cylinder for lifting and lowering the lift pin, the lift cylinder being articulated to the lift pin at one end as well as articulated and rotatably connected to the base plate at the other end; and a guide frame for carrying the cover. The guide frame includes a support arm, wherein an upper end of the support arm is equipped for connection to the cover and includes a lift nose having a lift eye which is in engagement with an end of the lift pin facing away from the lift cylinder. The support arm at the other end thereof has a slide plate. | 08-15-2013 |
| 20130301669 | INDUSTRIAL FURNACE COVER - The invention refers to an industrial furnace cover. Such a furnace can be, i.a., any metallurgical melting and/or treatment vessel, for example an electric arc furnace. | 11-14-2013 |
| 20150139266 | ARC FURNACE - An arc furnace having a furnace vessel for melting steel, a cover for closing the furnace vessel and a pivot unit by means of which the cover can be moved away from the furnace vessel in which the furnace vessel is mounted so as to be movable in the vertical direction relative to the pivot unit, and the pivot unit has a holder for releasably fixing the cover in the vertical direction. | 05-21-2015 |
| 373074000 | With cooling | 2 |
| 20140029643 | ROOF FOR ELECTRIC FURNACE - Disclosed herein is a roof for an electric furnace. The roof includes: a small-ceiling seating port ( | 01-30-2014 |
| 20220136770 | MULTI-HALF PIPE HEAT EXCHANGE SYSTEM FOR ELECTRIC ARC, METALLURGICAL OR REFINING FURNACES AND SYSTEM THEREOF - A cooling assembly for cooling exhaust gases emitted from a steel-making furnace includes a plate configured to be coupled to the furnace. The plate has a first surface and an opposing second surface. The assembly includes a body having a defined length and a cross-sectional shape having a thickness defined between an outer surface and an inner surface thereof. The body includes a first mounting end and a second mounting end, where the first mounting end is mounted to the first surface at a first angle greater than 0°. The second mounting end is also mounted to the first surface at a second angle greater than 0°, and the second mounting end is spaced from the first mounting end. A conduit is defined between the inner surface and first surface for a cooling fluid to flow therethrough. | 05-05-2022 |
| 373075000 | Sidewall | 5 |
| 20130250996 | SLAG DISCHARGE DOOR DEVICE FOR AN ELECTRIC FURNACE - The present invention relates to a slag discharge door device for an electric furnace, wherein slag is prevented from flowing out via a slag discharge port by making a discharge control door body move up and down to and from the upper surface of a supporting body where slag is discharged by flowing to the upper surface, and the discharge of slag is controlled, such that during steel-making work in the electric furnace, the outflow of slag is prevented and heat losses are reduced, the efficiency of arc heat due to the formation of foamed slag is increased, and valuable metals are recovered from the molten slag thereby increasing the percentage of molten steel recovered. | 09-26-2013 |
| 373076000 | With cooling | 4 |
| 20090129428 | 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 aspect of the invention used in a steel making process in an electric arc furnace, a cooling tube is inserted into a cooling cavity in a burner. Cooling fluid is injected through the cooling tube into the cavity to cool the portions of the burner adjacent the cooling cavity. The cooling fluid is then extracted from the cavity through a concentric space between the cooling tube and the cooling cavity. According to another aspect of the present invention, a cooling fluid distribution flange is provided to distribute cooling fluid to a plurality of cooling tubes to inject cooling fluid into a plurality of associated cooling cavities. | 05-21-2009 |
| 20130016754 | INJECTOR COOLING BLOCK FOR HOLDING AT LEAST ONE INJECTORAANM Fehlemann; GereonAACI DusseldorfAACO DEAAGP Fehlemann; Gereon Dusseldorf DEAANM Lieftucht; DirkAACI LegdenAACO DEAAGP Lieftucht; Dirk Legden DE - The invention relates to an injector cooling block ( | 01-17-2013 |
| 20140105240 | Slag Freeze-Lining for Electronic Arc Furnace - An improved method of operating an arc furnace is provided. The sidewall of the furnace includes a refractory lining. A charge of scrap metal is added to the furnace. The charge is melted and a slag layer is formed on the top of the melting charge. The furnace is tapped at the bottom to remove a portion of the melted charge. After tapping the furnace, the slag is splashed onto the sidewall to thereby coat the sidewall with a frozen slag layer. | 04-17-2014 |
| 20160116214 | MULTILAYER COOLING PANEL AND ELECTRIC ARC FURNACE - The invention relates to a multilayer cooling panel for an industrial furnace such as an electric arc furnace. | 04-28-2016 |
