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WO/2004/108974A1 |
The invention relates to a method for reducing harmful compounds in the waste gases of a burner-fired melting furnace (1). According to said method, melting charge (2) is fed into the furnace (1) and is impinged upon by heat there by mea...
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WO/2004/101830A1 |
Processing apparatus and methods for introducing material into a molten metal are provided. The material is introduced through a tube, which leads into the molten metal flow between the exit from a chamber and the entry back into a chamb...
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WO2001034858A9 |
A carbothermal process for the production of metals such aluminium, silicon, magnesium and the like from metal compounds, characterised in that the metal compound(s) such as oxide(s) or hydroxides are heated by combustion gases and inter...
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WO/2004/099453A1 |
The invention relates to a method for the treatment of aluminum in a furnace, wherein a material containing aluminum and optionally one or several salts is introduced into the furnace, the material is melted by adding heat with the aid o...
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WO/2004/099769A1 |
A device is provided for measuring metal inclusions comprising a receptacle for holding a sample of molten metal, with this receptacle having insulated side walls and a bottom wall provided with an exit opening. A ceramic filter element ...
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WO/2004/094679A1 |
Recycle friendly aluminum alloys are described which are variants of AA 3000 and AA 5000 series alloys containing higher than usual amounts of silicon and iron. The alloys contain in percentages by weight, more than 0.6 - 2.0% silicon, 0...
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WO/2004/090177A1 |
This invention relates to a method for preventing the ignition of molten reactive metal by contacting the molten metal with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroke...
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WO/2004/085686A2 |
The invention relates to a method of recovering a metal from a mixture comprising more than one metal. According to the invention, the methods comprises the steps of (a) melting the mixture to produce a melt (1); (b) passing the melt ove...
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WO/2004/086279A1 |
This invention relates to a method for generating pollution credits while processing molten magnesium, aluminum, lithium, and alloys of such metals by contacting the molten metal or alloy with a gaseous mixture comprising a fluorocarbon ...
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WO/2004/083470A1 |
A raw material for aluminum refining, characterized in that it comprises a peritectic element forming a peritectoid with aluminum and boron, wherein it contains boron in an amount being excessive by 5 to 80 mass ppm to a total chemical e...
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WO/2004/083469A1 |
In a process for the melting of an aluminum charge in a melting furnace, the A1 charge contains organic materials or an organic charge is provided into the furnace. The combustion of the organic charge is carried out with an oxyfuel burn...
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WO/2004/081246A1 |
A hollow partition wall (4) is employed to feed carbon material to an underflow of a carbothermic reduction furnace used to make aluminum. The partition wall (4) divides a low temperature reaction zone (2) where aluminum oxide is reacted...
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WO/2004/079024A1 |
The invention relates to an aluminium dross cooling method and installation, in which the dross is compacted in a mould. According to the invention, the dross is vibrated during the compaction operation. For said purpose, the compaction ...
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WO/2004/074523A2 |
A metal melting closed furnace which includes a main chamber (22), a circulation well (28) connected to the main chamber (22) by a communications passageway (32) and a vortex well (84) having an exit outlet for molten metal into the main...
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WO/2004/067210A1 |
A method of dispensing or pouring molten metal, e.g., aluminum, from a container or vessel, the flow rate controlled to minimize splashing of the molten aluminum exiting the container, the method comprising the steps of providing a conta...
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WO/2004/063653A1 |
Plant for the melting of primary and secondary aluminium, provided with a rotating furnace, internally equipped with a spiral element (11), that realizes the melting of the aluminium not using a salty bath, in association with a channel ...
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WO/2004/057045A1 |
The invention relates to a rotary device for dispersing a gas in a molten metal. The device comprises a hollow shaft (20) at one end of which is attached a rotor (22). The rotor (22) has a roof (24) and a base (26) which are spaced apart...
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WO/2004/035238A1 |
A method of treating a spent potliner after use in an aluminium smelting process, the method comprising crushing and classifying the spent potliner, placing the classified and crushed spent potliner in a furnace at a temperature greater ...
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WO/2004/031274A1 |
A process of recovery of useful constituents from multi-layered laminated fragments of packaging industrial refuse in sheet, tube or shredded form from each other as separate constituents comprising treating the comminuted fragments with...
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WO/2004/031451A1 |
A cathode block for aluminum refining containing a calcined coke in a proportion of 15 to 100 wt %, characterized in that the calcined coke is prepared by mixing a heavy oil having a content of quinoline insoluble components of 10 to 25 ...
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WO/2004/029307A1 |
The invention relates to a rotor, a device, and a method for introducing fluids into a molten bath. Molten baths are often degassed by introducing a liquid. In known trough degassers, rotors are arranged in the flowing melt and are used ...
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WO/2004/020679A1 |
The invention relates to a device (8) which is used to inject a treatment gas into a molten metal contained in a tank (1) and which is designed to be fixed in one of the walls of said tank. The inventive device comprises at least one inj...
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WO/2004/015152A1 |
The invention relates to the use of at least one hydride forming agent introduced into the melted mass of a light metal or a light metal alloy, for binding the hydrogen contained in said melted mass.
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WO/2004/005559A1 |
The invention relates to a method for fractional crystallisation of an at most partially solidified molten metal, in which a layer of at most partially solidified molten metal having an upper surface und a lower surface is divided into a...
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WO/2004/005558A1 |
The invention relates to a method for fractional crystallisation of an at most partially solidified molten metal. According to the invention a layer of at most partially solidified molten metal to be crystallised is cooled by a layer of ...
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WO/2004/001078A1 |
Method and device for purifying a stream of molten metal. A conical chamber that acts a cyclone has been defined in a block of refractory material. The stream to be purified is introduced between the two ends of the conical chamber havin...
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WO/2003/106715A1 |
An apparatus for dispensing a molten material from a reservoir of molten material (102) includes a dispensing chamber (100) in communication with the reservoir (102) and a first valve (104) adapted to regulate communication of the dispen...
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WO/2003/106908A1 |
A flow inducement or stirring apparatus (500) includes electromagnetic induction apparatus in the form of a generally rectangular box (501) connected to an inclined end wall (502) of a cradle or port (503) of the apparatus 500, being gen...
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WO/2003/104502A1 |
A treatment apparatus (10) includes a liquid reactant metal containment vessel (11) for containing a first liquid reactant metal and isolating the reactant metal from the atmosphere. A release chamber (14) is adapted to receive the first...
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WO/2003/095686A1 |
The invention relates to a device (1) for treating a liquid metal flow. The inventive device comprises a treating ladle (2) consisting of: means of connecting (11, 12, 13, 14) to at least one liquid metal feed chute (15) and to at least ...
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WO/2003/090954A1 |
An apparatus for transferring molten metal from a melting furnace (400) to a casting furnace is provided. A sensing and control system (460) for the transfer of molten metal from a transfer furnace (200) to a casting furnace (400) is als...
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WO/2003/078067A2 |
The invention relates to a method for processing a heap of debris, mill scale or similar material, particularly wastes containing aluminum such as cuttings, which is/are fouled by oil and accumulates during industrial processes. Accordin...
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WO/2003/066913A1 |
A method of heating molten aluminium flowing in a heated trough member comprising the steps of providing a source of molten aluminium and providing a trough member comprised of a first side (14) and a second side (18), the first and the ...
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WO/2003/057930A1 |
A method for filtering molten aluminum containing suspended particles using an improved filtration media, the method comprising the steps of providing a source of molten aluminum and providing media having a coating thereon, the coating ...
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WO/2003/056044A1 |
The invention concerns an alumnium melting method, which consists in introducing solid aluminium into a furnace (2), melting the aluminium to form an aluminium bath (4), detecting variations in carbon monoxide (CO) and/or hydrogen (H2) c...
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WO/2003/042418A1 |
The invention can be used for producing an aluminium-scandium foundry alloy in order to modify aluminium alloys. The inventive method involving an alluminothermal reduction in molten metal halides, is carried out by means of the reductio...
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WO/2003/038138A1 |
A refining process for non−ferrous melt and equipment thereof. The process, including an adsorbing purification by letting a purified gas pass through the non−ferrous melt, is characterised in that, a vaccume is applied above the non...
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WO/2003/033750A1 |
The invention relates to a grain refining agent for cast aluminum products containing titanium, comprising particles formed of a matrix of a ductile material, in which are uniformly dispersed boron particles having an average particle si...
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WO/2003/031663A1 |
The invention relates to a method for controlling the proportion of aluminum crystals in a mixture of molten aluminum alloy and aluminum crystals. According to the invention, the electrical resistance of the mixture is determined with th...
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WO/2003/031662A1 |
Process and apparatus for the treatment of contaminated fumes from a furnace for melting contaminated scrap metal, in particular remelting and recycling of waste aluminium metal, the furnace including at least one melting chamber (1) wit...
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WO/2003/023078A1 |
A metal melting closed furnace (10) which includes a main chamber (26), a circulation well (28) connected to the main chamber (26) by a communications passageway and a vortex well (84) having an exit outlet for molten metal into the main...
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WO/2003/020991A1 |
Method for the purification of an aluminium alloy containing an alloying element wherein the aluminium alloy is subjected to a fractional crystallisation process wherein at least the aluminium alloy is separated into a product stream hav...
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WO2002042502B1 |
The present invention refers to a method and respective apparatus for the recovery of the free metal present in hot dross which is produced when non-ferrous metals are processed at temperatures above their melting point. The method consi...
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WO/2002/103067A2 |
In order to melt down aluminium in an oven, a method is known whereby a starting material containing aluminium is supplied to an oven, is pre-heated in an upper region of the oven by means of oven flue gas, and is then heated by means of...
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WO/2002/100576A1 |
A molten metal treatment furnace (10) with metal treatment and level control includes a heating chamber (12) for containing and heating a supply of molten metal (60), a pump (22) connected to the heating chamber (12), a molten metal trea...
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WO/2002/101102A1 |
The invention relates to a method of recycling metallic coated scrap pieces of which the liquidus temperature of the coating layer is lower than the solidus temperature of the core layer, such as brazing sheet scrap pieces, or metallic c...
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WO/2002/096533A1 |
According to the present invention there is provided a ceramic foam filter for molten metal filtration comprising a preferably substantially flat inlet portion, an intermediate portion and an outlet portion that incorporates an undulatin...
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WO/2002/097143A2 |
Rotary furnace vessel for metallurgical processes, comprising a shell which on its interior surface is covered with a refractory lining based on high purity alumina, spinel, or a combination thereof, characterised in that at least half o...
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WO/2002/096831A1 |
The invention concerns a method of coating a hydrophobic substrate (5,15,16) with a hydrophilic protective layer free of organic carbon (20A,20B,20C,20D) to protect the substrate (5,15,16) when used at high temperature. The method compri...
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WO/2002/096830A1 |
A method of bonding a protective coating on a wear-exposed surface of a carbon tile comprises: applying onto the wear-exposed surface of the carbon tile at least one layer of a slurry of particulate refractory material suspended in a col...
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