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WO/2004/099694A2 |
The invention relates to a refractory component consisting of a ceramic material. Said component has a contact side of the ceramic material that is oriented towards a melted mass and on which a boundary layer in contact with the melted m...
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WO/2004/097319A2 |
The invention relates to a roller from a refractory material, for example in vitreous silica, for transporting a flat article provided at its end with a new arrangement for rotationally driving it as well as to an assembly of such a roll...
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WO/2004/090173A1 |
A direct smelting plant for producing molten metal from a metalliferous feed material is disclosed. The plant includes a fixed smelting vessel to hold a molten bath of metal and slag and a gas space above the bath. The plant also include...
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WO/2004/089562A1 |
The invention relates to a holding furnace comprising a metering device for molten metal, especially for precisely metering molten light metal during die casting, wherefore the holding furnace (1) is provided with a dosing chamber (8) en...
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WO/2004/090174A1 |
A solids feed means for a direct smelting plant is disclosed. The solids feed means includes 2 or more pairs of lances for injecting solid feed materials for a direct smelting process into a direct smelting vessel. The solids feed means ...
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WO/2004/087601A1 |
The invention relates to a method and burner for injecting pulverized coal into a rotary kiln that uses pulverized coal as fuel in order to produce quick lime of excellent hydration level. The invention calcines lime stone charged into t...
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WO/2004/087588A1 |
The invention relates to a melting furnace provided with an electric or external heating system for melting and an output duct for melt discharge provided with a cooling device. Said melt output duct comprises a device for mechanically r...
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WO/2004/083722A1 |
A system for optically analyzing a molten metal bath (4) wherein a high velocity gas stream (3) is passed from a lance (1) to the bath (4) and is maintained coherent by a flame envelope (2) to provide a clear sight pathway through the ga...
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WO/2004/082867A2 |
A continuous casting installation includes a furnace (2) for heating metal to a first liquid metal temperature, a degassing unit (4), a filter (6), a heating unit (8) and a casting machine (10). The casting machine (10) includes a pair o...
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WO/2004/081239A1 |
Method precisely, quickly controls flow of molten metal to metal casting apparatus by pumping, braking or throttling. The Faraday-Ampere principle of current flow in a unidirectional magnetic field is employed. Permanent magnets comprisi...
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WO/2004/079020A1 |
A method of switching a bottom-blown tuyere in a converter switching a bottom-blown tuyere by forming a new bottom-blown tuyere in a brick for drilling which is pre-installed in a refractory layer covering the bottom part of the converte...
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WO/2004/078385A1 |
An apparatus for treating molten metal includes a treatment vessel for holding molten metal and a removable cover or hood for the vessel. Sealing means are provided between the cover and the vessel to provide a gas tight treatment zone. ...
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WO/2004/079283A1 |
A carrying mechanism used for carrying in order a plurality of heated articles in a heat treating furnace for heat-treating the heated articles, comprising wire materials (5) installed to be moved relative to the heat treating furnace, w...
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WO/2004/076949A1 |
It comprises a water-cooled rotary shaft (1) rotatably supported by a frame, and a continuous spiral vane (2) consisting of a plurality of divisional vanes attached to the outer periphery of the water-cooled rotary shaft (1) to spirally ...
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WO/2004/074524A1 |
The present invention discloses a siphon assembly for moving high temperature melts from a first location (1) to a second location (2), comprising, (i) an upleg (3) for receiving molten metal when immersed in a melt at the first location...
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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/2004/072568A1 |
A setter of low cost and with excellent durability is realized by providing three or more leg portions at the edge of a flat plate portion formed from a flat refractory, the leg portions projecting at the upper surface side or lower surf...
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WO/2004/073037A2 |
A combination of microwave (16) and convection/radiation heating (18) is employed in a fornace (10) and method for binder removal and sintering of materiale such as ceramic materiale and products, LTCC intervals, solid oxide fuel celle a...
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WO/2004/070301A1 |
A seal structure of a solid feeding screw such as a raw material leveling screw and a product delivery screw installed in a heating furnace (1) capable of lifting the solid feeding screw (3) while assuring the airtightness of the heating...
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WO/2004/070747A1 |
A heat treatment system in which the direction of a magnetic field being generated by a field generating means (20) in a region for heat treating an object is in parallel with the direction of the object being carried into a heat treatme...
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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/2004/067784A1 |
A process for producing sponge iron, which comprises charging an iron oxide powder and a reducing agent powder into a reaction vessel so that these powders are alternately stacked spirally and reducing the iron oxide. In the process, the...
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WO/2004/065871A1 |
The invention relates to an arrangement (1) for opening and closing the taphole (2) of a molten phase (2) tapped out of a metallurgic smelting reactor, said arrangement comprising at lest means for solidifying the molten phase an for mel...
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WO/2004/065640A2 |
The invention relates to a hopper-loading method and installation. The inventive hopper-loading method comprises the following steps consisting in: emptying a lateral curtain of loose material above the hopper; dividing the aforementione...
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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/2004/063397A1 |
The invention relates to a method and a device for the controlled charging of a reactor vessel used in chemical and/or physical methods, especially in metallurgy, with a lumpy feedstock, and the uses thereof. Said device comprises a conv...
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WO/2004/058431A2 |
A method and apparatus for optimizing melting of titanium for processing into ingots or end products. The apparatus provides a main hearth (56), a plurality of optional refining hearths, and a plurality of casting molds (58a, 58b) or dir...
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WO/2004/058433A2 |
Application of amplitude and frequency modulated helically traveling (rotating and axially traveling) electromagnetic fields in metallurgical and chemical technologies and foundry can considerably increase the hydraulic efficiency of MHD...
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WO/2004/056505A1 |
The invention relates to a gas flushing device for metallurgical melting pots, having the following construction: a porous plug is arranged in an upper cylindrical housing at the gas outlet end thereof and in a lower cylindrical housing ...
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WO/2004/057042A1 |
A method for manufacturing molten iron including producing reducing material of mixed hot fine direct reduced iron and calcined additives, the reducing material being produced from multiple fluidized beds; charging the reducing material ...
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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/2004/055460A1 |
A feed screw for the supply of bulk material at elevated temperatures is disclosed, whereby a number of individual screw elements made from ceramic are arranged one behind the other with an angular offset on a driveshaft to form a modula...
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WO/2004/055459A1 |
The feeder of the invention comprises a vibration feeder having a trough formed with a fall hole for feeding an agglomerated product and/or powder into a furnace, and a duct for guiding the agglomerated product and/or powder falling down...
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WO/2004/050224A2 |
A molten metal pump shaft coupling system for use in the coupling or connection of elongated shafts to other components and equipment, and for the disconnection thereof. A coupling (100) with internal discontinuous threads (105) may be c...
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WO/2004/048869A1 |
A material feeding apparatus for a rotary hearth furnace capable of uniformly and dispersedly feeding agglomerated materials, which tends to be pulverized, deformed, or adhered to each other into the rotary hearth furnace by using a flat...
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WO/2004/046391A1 |
The invention relates to a method for cooling blowing lances that, in order to treat liquid metal melts contained in metallurgical vessels, particularly a steel contained in RH vessels and optionally being subjected to a vacuum, and/or i...
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WO/2004/046416A1 |
So as to simplify and improve flexibility of multiple step substrate vacuum processing a loadlock- and processing tower LLPTl comprises a loadlock arrangement LLA as well as a processing arrangement PMA. The loadlock arrangement LLA comm...
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WO/2004/045800A2 |
A modular metalmaking lance having a pre-fabricated 'plug-in' lower sections. The plug-in section is preferably of sufficient length to ensure that the joint between a plug-in section and an upper lance section is not in the area of the ...
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WO/2004/044578A1 |
The invention provides a separating vessel (10) suitable for use in the treatment of a mineral sample wherein a molten slag (11) is separated from a molten collector material (12) comprising a container defining an interior cavity (13) f...
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WO/2004/044511A1 |
The invention relates to a metallurgical melting vessel comprising a fireproof ceramic lining through which a tuyere arrangement (20) for introducing a fluid into a molten metal extends. Said tuyere arrangement comprises the following el...
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WO/2004/042279A1 |
A waste treatment facility (1) characterized by comprising a measuring hopper (2) for respectively measuring the quantities of waste being treated, e.g. general and industrial waste, and solid fuel, e.g. coke or coal, charged into the ho...
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WO/2004/036131A1 |
An electric furnace includes a stationary lower shell having a sloping floor extending downwardly to a tap hole to always maintain a sufficient ferrostatic head three times the tap hole for slag free tapping. The configuration of the ref...
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WO/2004/036120A1 |
A method of suppressing the occurrence of dioxin in an inclined grate furnace (1), comprising the steps of inputting combustibles from the feeder (2) of the inclined grate furnace (1) onto a grate (3), and operating a burned ash removal ...
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WO/2004/033731A1 |
The invention concerns a heat treatment method for metal parts (6) arranged in feed (5) wherein the feed of parts is successively brought into a vertical treatment furnace (1) capable of being opened downwards, said method consisting in:...
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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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WO2003008889A9 |
A method of installing a refractory lining in a coreless or channel electric induction furnace. For installation of a refractory lining in a furnace wall, the method includes the steps of providing a dry refractory material between a lin...
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WO/2004/027097A1 |
A raw material charging method for a bell-less blast furnace has a step of storing coke in at least one furnace-top bunker, a step of storing ore in at least one furnace-top bunker, a step of charging the stored coke while varying the ti...
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WO/2004/025711A2 |
A system and method for processing large area substrates is provided. In one embodiment, a processing system includes a transfer chamber having at least one processing chamber and a substrate staging system coupled thereto. The staging s...
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WO/2004/022219A1 |
The invention relates to a method for carrying out reactions in a fluidised particle layer. At least one further medium is drawn in by the jet pump principle (Venturi Effect) using a gaseous propellant, mixed with the propellant and thus...
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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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