Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 251 - 300 out of 9,958

Document Document Title
WO/2009/037649A2
A roof assembly for a furnace comprising at least one segment ( 12.j) comprising a single integral metal body (22) comprising copper. The body has opposed first and second faces (26 and 29) and the body defines channels (50) for a coolin...  
WO/2009/034586A1
The present invention relates to an injector (1) for an arc furnace (3). The injector comprises a head (10) suitable to face into the furnace and a body (20) suitable to support the head. The head and body are manufactured separately fro...  
WO/2009/028416A1
Disclosed is an iron bath type smelting reduction furnace having a side-wall lining made of two or more refractory materials, wherein each of the refractory materials is a MgO-C brick containing carbon in an amount of not less than 1 mas...  
WO/2009/019958A1
A method of suppressing slag forming in a continuous melting furnace, in which a molten metal in its stable state can be continuously produced by securely suppressing any slag forming through seizure of the state of slag forming in a con...  
WO/2009/018796A1
2.1 The invention relates to a device for slag-free tapping or for transferring a melt from a metallurgical vessel (1, 2, 3) into a different metallurgical vessel having a siphon-like, inverted U-shaped configuration, wherein the siphon ...  
WO/2009/016146A1
The invention relates to a cover (1) for a furnace (10) for receiving molten material (S), particularly metal. According to the invention, the cover comprises at least one layer (4, 4'') formed of a material having a heat transfer coeffi...  
WO/2009/010266A2
In exactly the same manner as larger furnaces, electric reducing furnaces which can be used for test purposes during ferroalloy and nonferrous processes and in a simplified design as industrial submerged arc furnaces require complete eng...  
WO/2009/010266A3
In exactly the same manner as larger furnaces, electric reducing furnaces which can be used for test purposes during ferroalloy and nonferrous processes and in a simplified design as industrial submerged arc furnaces require complete eng...  
WO/2009/006652A3
To keep an aluminium melt hot in a hearth furnace or to remelt aluminium scrap in a hearth furnace, at least one burner (15) is provided. The burner (15) is arranged in a burner dome (1) which is located on the furnace roof (7). The burn...  
WO/2008/154688A1
An apparatus for injecting solid material into a vessel, such as a direct smelting vessel. The apparatus has a central tube comprising: a core tube assembly that defines a passageway for solid material, the core tube assembly having at l...  
WO/2008/154689A1
A lance for injecting a solid material into a vessel, such as a direct smelting vessel for producing molten iron, is disclosed. The lance has a core tube assembly comprising a passageway for solid material. The core tube assembly has an ...  
WO/2008/147250A3
The invention relates to heat-and-power engineering, particularly, to the devices for solid fuel firing, processing of thermal and thermal condensing power plants ash wastes (AW) in a melted slag, bubbled by oxygenated gas, and getting r...  
WO/2008/136027A1
The present invention relates to a cooled box (1) for positioning nozzles (30) in arc furnaqes (2) . The box comprises a tubular body (10) which, in turnf comprises a plurality of ingots (20) that are mutually fastened and arranged such ...  
WO/2008/121630A1
An apparatus for melting an electrically conductive metallic material includes a vacuum chamber and a hearth disposed in the vacuum chamber. At least one wire-discharge ion plasma electron emitter is disposed in or adjacent the vacuum ch...  
WO/2008/103402A2
A quiescent melt handling system includes a holding furnace (2, 120, 320 - 720) for a molten metal melt. The holding furnace has a relatively large surface area and a relatively shallow depth, having a width to depth ratio in the range o...  
WO/2008/103402A3
A quiescent melt handling system includes a holding furnace (2, 120, 320 - 720) for a molten metal melt. The holding furnace has a relatively large surface area and a relatively shallow depth, having a width to depth ratio in the range o...  
WO/2008/093042A1
The invention relates to a mixing chamber (10) for use in a metal transfer vessel (for example, a tundish used in steel manufacture or a holding furnace used in aluminium manufacture). The mixing chamber comprises a base with a first ser...  
WO/2008/058608A1
The invention relates to a metallurgical vessel (1), in particular an arc furnace, having a holding container (2) for metal melt and having a lid (3), by means of which the holding container (2) can be at least partially covered, wherein...  
WO/2008/052690A1
The invention relates to a method for the continuous or discontinuous extraction of a metal, or of multiple metals from a slag containing the metal, or a compound of the metal, wherein the liquefied metal containing slag is heated in a p...  
WO2008028573B1
To make the receiving space of the casing of a furnace variable, so that it can be adapted to the various volumes that are required for different feedstocks (light scrap, heavy scrap) to achieve the tapping weight envisaged for the furna...  
WO/2008/042996A1
A hearth furnace (10) for producing metallic iron material has a furnace housing (11) with a drying/preheat zone (12) capable of providing a drying/preheat atmosphere for reducible material, a conversion zone (13) capable of providing a ...  
WO/2008/042997A1
A hearth furnace (10) for producing metallic iron material has a furnace housing (11) having a drying/preheat zone (12), a conversion zone (13), a fusion zone (14), and optionally a cooling zone (15), the conversion zone (13) is between ...  
WO/2008/037836A1
The invention relates to a method for coating a cooling element (1) mainly made of copper, provided with water cooling pipes (2) and used particularly in connection with metallurgic furnaces or the like, wherein the cooling element inclu...  
WO/2008/039047A1
This invention relates to nonferrous metallurgy, particularly, to the methods of continuous producing metallic titanium and metallic titanium alloys by the metallothermic reduction of titanium tetrachloride, and also to the devices for p...  
WO/2008/031937A3
Method of controlling a furnace (1) for reheating steel products, such as slabs, blooms, slugs or billets, capable of reheating the product to the desired temperature for rolling, the furnace being equipped with a heat recovery unit (A)....  
WO/2008/028573A1
To make the receiving space of the casing of a furnace variable, so that it can be adapted to the various volumes that are required for different feedstocks (light scrap, heavy scrap) to achieve the tapping weight envisaged for the furna...  
WO/2008/021083A1
A method and apparatus for accessing a furnace melt are provided. Preferably, the method and apparatus provide for the safe and efficient access to the molten metal melt in a furnace. According to one aspect of the invention used in a st...  
WO/2008/017797A1
Forced melt circulation of both the oxidic and metallic phases independently opens up the prospect of continuous processing up to 2200 °C using graphite lined reactors. Central to the new technology is oxygen-based combustion of CO with...  
WO2006125662A8
The invention relates to a melting or holding furnace (1) with a furnace chamber (4) surrounded by a housing (3), which chamber holds the melt with a maximum filling level. The furnace also comprises an outlet opening for transferring th...  
WO/2008/018807A1
Apparatus of claim 1 wherein a protective gas effuses to a surface subject to air burn. A method of optimising electrode usage in an electric arc furnace, Hall Herault apparatus or other electrode system and/or arc generation in an elect...  
WO/2008/009468A1
The invention relates to an electric arc furnace roof top (10) comprising a central portion (14) and a peripheral portion (16) surrounding the central portion (14), each of these portions having an inner surface (24,26) suitable for faci...  
WO/2008/000608A1
The invention relates to a method for smelting steel scrap in a furnace, a working gas being blown into the furnace via a flow channel (8) in order to supply melting energy and being guided through at least one electrodeless plasma torch...  
WO/2007/147248A1
A sealing apparatus for a slag door of a metallurgical furnace, having a mounting assembly for mounting the apparatus to the furnace, and at least one closure element, moveable from an open position that is exterior of the slag door open...  
WO/2007/134789A2
Disclosed is the use of residual matter and/or waste as useful materials in electric low-shaft furnaces, said residual matter and/or waste being utilized for heating and/or as a carbon source. The low-shaft furnace used generally compris...  
WO/2007/134789A3
Disclosed is the use of residual matter and/or waste as useful materials in electric low-shaft furnaces, said residual matter and/or waste being utilized for heating and/or as a carbon source. The low-shaft furnace used generally compris...  
WO/2007/131459A1
The invention is a new method of chlorination of ore-bearing materials in a reactor (1) in the presence of chlorine and coke with a view to manufacturing metal chlorides as, for example, Fe, Cu, Ti, Sn, Al, Zr, V, Mo, Nb and Ta. Its subj...  
WO/2007/124592A1
An indirect-fired gas turbine power plant comprises a compressor; a turbine mechanically coupled to the compressor; a furnace; a heat exchanger inside the furnace and fluidly coupled at an inlet end to the compressor and at an outlet end...  
WO/2007/120028A1
The invention relates to a method and device for the induction stirring of liquid metal in the bath of a reverberatory furnace by the action of a traveling magnetic field whose frequency ranges from 50 to 60 Hz. The inventive method cons...  
WO/2007/106946A1
A forehearth (5) for containing a volume of molten material and a direct smelting vessel (3) that includes the forehearth are disclosed. The forehearth includes a forehearth connection (15) for connecting the foreheath with a smelting ch...  
WO/2007/099941A1
The level of slag in a main body of melting furnace is controlled by carrying out periodic opening and closing of a batch slag discharge port, detecting at least either any quantitative change of pressure within the main body of melting ...  
WO/2007/093135A1
The reactor primarily intended for titanium production, comprising a body (1) with the tubular jacket cooled by a cooling medium, which is equipped with melting electrodes (5) and which is adjusted for introduction of gaseous medium incl...  
WO/2007/082030A2
A method of using an induction furnace to process iron ore into an iron product such as pig iron in which iron ore is the main or exclusive source of iron fed into the induction furnace. Preferably the iron ore is concentrated and melted...  
WO/2007/082030A3
A method of using an induction furnace to process iron ore into an iron product such as pig iron in which iron ore is the main or exclusive source of iron fed into the induction furnace. Preferably the iron ore is concentrated and melted...  
WO/2007/072253A1
A DC arc furnace system (10) comprises an arc furnace comprising an electrode (24) extending into a vessel (14). A main DC power supply (28) is connected to the electrode and to an anode region (35) at a base of the vessel by a main furn...  
WO/2007/054957A1
An improved lance for LD steelmaking comprises a plurality of peripheral supersonic nozzles provided with a single inlet high pressure gas supply line and a central nozzle. The central nozzle is a subsonic nozzle provided with a separate...  
WO/2007/052448A1
A cleaning apparatus for electric furnace by-product gas recovery duct that is capable of removing any dust deposited in a gas duct from precooling column to Venturi scrubber at the time of dust removal from by-product gas generated in r...  
WO/2007/052494A1
A conventional combustion furnace has problems that its in-furnace temperature is up to 1100°C, has in many cased a fixed electrode, and a horizontal-moving type is difficult to use due to a power supplying method and an electrode tilte...  
WO/2007/034138A3
A control system for and method of controlling a vertical position of at least one electrode of an arc furnace, where the arc furnace comprises a furnace transformer having a primary, input side and a secondary, output side which is elec...  
WO/2007/034138A2
A control system for and method of controlling a vertical position of at least one electrode of an arc furnace, where the arc furnace comprises a furnace transformer having a primary, input side and a secondary, output side which is elec...  
WO/2007/019917A1
The invention relates to a tapping channel (1) for a metallurgical furnace, particularly for an electro-reducing furnace, comprised of at least one tapping brick (10, 11, 12) and of a cooling device in the vicinity of the tapping channel...  

Matches 251 - 300 out of 9,958