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WO/2004/029307 |
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/2004/020679 |
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/2004/015152 |
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/2004/005559 |
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/2004/005558 |
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/2004/001078 |
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/2003/106715 |
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/2003/106908 |
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/2003/104502 |
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/2003/095686 |
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/2003/090954 |
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/2003/078067 |
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/2003/066913 |
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/2003/057930 |
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/2003/056044 |
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/2003/042418 |
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/2003/038138 |
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/2003/033750 |
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/2003/031662 |
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/2003/031663 |
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/2003/023078 |
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/2003/020991 |
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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WO/2002/103067 |
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/2002/100576 |
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/2002/101102 |
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/2002/096533 |
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/2002/096830 |
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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WO/2002/096831 |
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/2002/097143 |
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/2002/095079 |
A method for aluminum recovery during the carbothermic production of aluminum in a smelting furnace (1, 2) is disclosed, where during carbothermic reduction of alumina, aluminum and aluminum suboxide vapors are produced (3, 4), which are...
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WO/2002/095078 |
The present invention relates to a process for carbothermic production of aluminum where a molten bath comprising aluminum carbide and aluminum oxide is produced in a low temperature compartment (20), and continuously flows into a high t...
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WO/2002/090605 |
A method for processing alumina-bearing ores such as bauxite to recover iron, aluminum, silicon and titanium metal values therefrom the method comprising the steps of adding the alumina-bearing ores to a digester containing an acid to pr...
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WO/2002/088400 |
An oxygen fueled combustion system includes a furnace (14) having at least one burner, an oxygen supply for supplying oxygen having a predetermined purity, and a carbon based fuel supply for supplying a carbon based fuel. The oxygen and ...
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WO/2002/076648 |
Application of a marking agent to metal stock, such as aluminum sheet, during and as a part of procedures for preparing the sheet for subsequent, scrap-generating manufacturing operations, to provide a detectable mark on pieces of manufa...
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WO/2002/075001 |
A method for reducing metal oxides in a shaft furnace. A charge of metal oxide, e.g. iron ore or agglomerates, and a reductant is reacted in the furnace to produce a primary metal of the metal oxide and an additional secondary metal such...
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WO/2002/058862 |
The melter furnace includes a heating chamber (16), a pump chamber (18), a degassing chamber (20), and a filter chamber (22). The pump chamber 818) is located adjacent the heating chamber (16) and houses a molten metal pump (30). The deg...
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WO/2002/058863 |
A bottom heated holder furnace (10) for containing a supply of molten metal includes a storage vessel (20) having sidewalls (22) and a bottom wall (24) defining a molten metal receiving chamber (26). A furnace insulating layer (32) lines...
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WO/2002/058864 |
A bottom heated holder furnace (12) for containing a supply of molten metal includes a storage vessel (30) having sidewalls (32) and a bottom wall (34) defining a molten metal receiving chamber (36). A furnace insulating layer (42) lines...
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WO/2002/057502 |
A process is described for treating molten metal with a particulate treating agent. A melt of a metal, e.g. aluminum, is provided in a treatment vessel such as a ladle and a mixing impeller is positioned substantially below the surface o...
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WO/2002/042502 |
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/2002/036493 |
A method of separating a red mud containing goethite which comprises: treating an alumina-containing ore containing an iron ingredient as goethite with an alkali solution with heating at 110 to 160°C to extract the alumina; subsequently...
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WO/2002/033137 |
The invention concerns a rotary injector for injecting gas (2) in a liquid metal (3), said injector comprising a drive shaft, stirring means, gas circulating means, gas (2) emitting means (8, 9). Said injector is characterised in that th...
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WO/2002/022900 |
An apparatus is provided for the treatment of molten metal, e.g. aluminum, with a particulate treatment agent and a gas. This includes a vessel for holding molten metal, a rotary device for breaking up particulate treatment agent and gas...
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WO/2002/020860 |
A method for processing molten aluminum and a shaft (4) for use in the method for treating molten aluminum using an impeller (6) mounted on the shaft (4) comprising a protective refractory sleeve (7) resistant to attack by molten aluminu...
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WO/2002/020859 |
The invention relates to a method for the salt-free, non-oxidizing remelting of aluminum, the alloys thereof and aluminum scrap metals comprising possible impurities, such as inflammable oily substances, adhering inflammable or non-flamm...
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WO/2001/083836 |
This invention relates to a method for preventing the ignition of molten magnesium by contacting the molten magnesium with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroket...
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WO/2001/079569 |
Methods for reducing inclusion content of sputter targets and targets so produced are disclosed. Inclusions (93) may be reduced by adding a small amount of Si to the molten A1 or molten A1 alloy followed by filtering of the molten metals...
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WO/2001/077396 |
A process for continuous vacuum purification of a molten metal, which comprises agitating a molten metal (1) in a melt agitation portion (B) in a vacuum treatment chamber having a reduced pressure and being preheated, to thereby vaporize...
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WO/2001/073143 |
A method for the agglomeration of alumina particles, the method comprising the steps of: adding a quantity of pseudo-boehmite to the alumina particles; and spray drying the mixture so formed to produce agglomerated granules.
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WO/2001/073142 |
A method for the agglomeration of alumina particles, the method comprising the steps of: grinding the alumina particles to a D�50? of less than about 12 $g(m)m; adding a quantity of a binding agent; andspray drying the mixture so forme...
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