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WO/2003/095685A9 |
A scrap charging apparatus for an electric arc furnace uses a skip hoist to supply scrap to a holding bunker having diverging end walls extending between converging side walls. The containment space for the scrap is increased by this wal...
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WO/2011/151256A1 |
A method and an apparatus for measurement of the length of an electrode (14) and for determination of the position of a consumable cross section (17) of the electrode (14) in an electrical oven (10), in which the measurement is carried o...
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WO/2011/149439A1 |
The inventions relate to the electrode industry and, in particular, to methods for producing graphite materials by the calcination of loose carbon materials. In the method, which comprises loading the material into an electrocalcinator, ...
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WO/2011/147869A1 |
The invention relates to a method for operating an arc furnace (200', 210'), to an oscillation measurement device (100) for an arc electrode (220), and to an arrangement (200) for an arc furnace (200', 210'). Using simple means when oper...
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WO/2011/144702A1 |
1. Cooling for a metallurgical vessel, in particular an electric arc furnace. 2.1. The invention relates to cooling for a metallurgical vessel, in particular an electric arc furnace, the components of which can be entirely or partially c...
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WO/2011/135485A1 |
A furnace (1 ) for producing low phosphorous iron is disclosed comprising a shell (2) lined with refractory material (3), a hearth (5), a floor, a roof (22), side walls (8), tap holes, feed ports (10) for raw material and an channel type...
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WO/2011/132669A1 |
A waste heat recovery facility for an arc furnace for steel making is provided with: first exhaust gas passages for discharging exhaust gas from each of a plurality of arc furnaces for steel making (1); waste heat boilers (6) that are in...
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WO/2011/132628A1 |
Disclosed are a method for melting aluminum powder and a melting apparatus capable of melting aluminum powder with a high yield and making it possible to reuse the melted aluminum in a variety of applications. The method for melting alum...
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WO/2011/128170A1 |
The invention relates to an electric arc furnace, to a signal processing device, to a storage medium, to a machine-readable program code, and to a method for determining a time for charging, in particular recharging, an electric arc furn...
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WO/2011/124902A1 |
Conveying apparatus adapted to convey a particulate material from a source to a burner provided at a flash furnace, the apparatus comprising: pneumatic conveying means adapted to convey the particulate material at a relatively high veloc...
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WO/2011/123579A1 |
A plate cooler stave for use in a furnace having a shell wall, comprising: a top portion housing at least one cooling fluid inlet and at least one cooling fluid outlet for the flow of cooling fluid to and from the plate cooler stave from...
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WO/2011/120976A1 |
The invention relates to an ultrasonic nozzle for use in metallurgical installations, in particular for the top blowing of oxygen in a Basic Oxygen Furnace (BOF) or an electric arc furnace (EAF), comprising a convergent portion and a div...
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WO/2011/118365A1 |
Provided is a pusher having a compact structure to conserve space, wherein a driving force necessary to move a pusher main body backward can be increased without increasing the diameter of a cylinder. The pusher is provided with a pusher...
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WO/2011/115919A1 |
A pivoting, liquid cooled slag door for metallurgical furnaces is disclosed. The slag door can pivot from the top using one or more robust mechanisms that enable the door to be moved into and stopped in any position between a closed posi...
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WO/2011/111525A1 |
Disclosed is a method in which oxidation loss can be reduced by directly melting recovered printing plates with new ore so that a molten yield as high as the melting of regenerated metal can be obtained. Specifically disclosed is a melti...
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WO/2011/101191A1 |
The invention relates to an injector cooling block (1) for holding at least one injector (2) for introducing a medium into a metallurgical vessel (3), especially into an electric arc furnace, the injector cooling block (1) being arranged...
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WO/2011/098309A1 |
The invention relates to a metallurgical vessel having a hollow chamber for treating a first liquid metal or for liquefying a metal, said vessel comprising cooled wall plates (1) having a hot side facing the hollow chamber and a cold sid...
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WO/2011/095377A1 |
The invention relates to a device for recording at least one measured value on a furnace (1), in particular an arc furnace, wherein the device comprises at least the following: at least one apparatus (3) for injecting at least one gas in...
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WO/2011/092165A1 |
A charging device for a metallurgical reactor comprises a stationary housing having a lower housing part (104) with an annular rotor (108) therein and an upper housing part (106) having at least one charge material inlet (112; 114) that ...
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WO/2011/089054A1 |
The invention relates to a clay gun machine cannon (10) for metallurgical furnaces having a pressure cylinder (11) for receiving the plugging mass (13) and a compaction ram (14) for pressing the plugging mass (13) out of a mouthpiece (19...
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WO/2011/085843A1 |
The invention relates to a partially gas-cooled oxygen blowing lance (2), the oxygen blowing lance (2) having at least one oxygen line (6) which, at least along the longitudinal extent thereof, is surrounded by a cooling jacket (1), the ...
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WO/2011/086809A1 |
A melt container that holds a melt of a metal and/or a melt of a metal salt therein is provided in which heat dissipation from the melt is slight and melt penetration and breakage or cracking are minimized. The container can not only sat...
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WO/2011/081266A1 |
The present invention relates to a slag discharge door apparatus for an electric furnace. The apparatus comprises: a door member which opens/shuts a slag discharge port of the electric furnace by being operated by a door-operating device...
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WO/2011/073244A1 |
Bottom electrode or anode for continuous direct current arc furnaces, provided with a cooling system which allows to improve the effectiveness of the cooling action of the bottom electrode, made in the shape of bimetallic billet, for the...
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WO/2011/067657A1 |
Device for feeding metal material (35) into a melting plant, in particular into a melting furnace (11) comprising a hearth and at least a lateral aperture, wherein the device comprises feed means (15) to feed the metal material (35) term...
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WO/2011/066549A1 |
A jet of gas injected from a lance is fluidically deviated with a gas flowing in either the same or opposite direction as the jet of gas. The gas used to fluidically deviate the jet is the same as or different from the gas in the jet.
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WO/2011/066550A1 |
A jet of gas injected from a lance is fluidically deviated with a gas flowing in either the same or opposite direction as the jet of gas. The gas used to fluidically deviate the jet is the same as or different from the gas in the jet.
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WO/2011/066553A1 |
A jet of gas injected from a lance is fluidically deviated with a gas flowing in either the same or opposite direction as the jet of gas. The gas used to fluidically deviate the jet is the same as or different from the gas in the jet.
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WO/2011/063426A1 |
The invention provides an arc furnace electrode clamp assembly 10. The assembly includes two semi circular clamp segments 12 hingedly connectable along opposed edges to define closable tubular jaws 14 of a clamp. The assembly further inc...
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WO/2011/057947A2 |
The present invention relates to an improved process for producing silicon, preferably solar silicon, using novel high-purity graphite mouldings, especially graphite electrodes, and to an industrial process for production of the novel gr...
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WO/2011/055650A1 |
Disclosed are a method and an apparatus for producing silicon by carbon reduction in an electric arc furnace using a carbon material and a silica material that contains iron, aluminum, calcium and titanium respectively in an amount of 0....
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WO/2011/048878A1 |
Provided is a combustion device for a melting furnace, which can satisfactorily heat an object to be melted and the ceiling of a melting furnace, using the heat of radiation from combustion flame. In a fuel injection nozzle (12) which in...
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WO/2011/043473A1 |
Disclosed is a molten metal producing device capable of effectively preventing formation of scaffolds in metal material briquette layers and capable of reliably removing scaffolds even if scaffolds are formed. A packed-layer forming mate...
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WO/2011/043472A1 |
Disclosed is a production device of which secondary combustion efficiency can be further improved when a molten metal is produced by directly reducing and melting metal material briquette layers in an electric heating furnace. Specifical...
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WO/2011/038495A1 |
An exemplary embodiment of the invention provides a side well for a metal melting furnace. The side well comprises an insulated body having a front wall adapted to form part of an insulated side wall of a metal melting furnace and a top,...
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WO/2011/025648A1 |
An apparatus for melting an electrically conductive metallic material comprises an auxiliary ion plasma electron emitter configured to produce a focused electron field including a cross-sectional profile having a first shape. The apparat...
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WO/2011/024982A1 |
In order to maintain molten metal in an arc furnace in a stable state by detecting a change in the state of an iron source supplied into the arc furnace when the iron source is continuously supplied to the furnace and melted, provided is...
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WO/2011/020127A2 |
The invention provides a DC furnace bottom electrode connector, an electrode, electrode hearth and a DC furnace. The electrode connector includes a circular flat metal plate which is dimensioned to be similar to the circumference of it c...
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WO/2011/018197A1 |
The invention relates to a lance (3) for a smelting vessel system (1) or a metallurgical reaction vessel comprising a coating preventing the adhesion of melted material or slag, characterized in that the coating comprises boron nitride a...
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WO/2011/013726A1 |
Provided is arc melting equipment used for melting an iron source with a high heat efficiency and capable of controlling the supply of the iron source supplied from a preheat chamber to a melting chamber, and also provided is a molten me...
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WO/2011/012595A1 |
The invention relates to a device (1) for tipping a metallurgical melt vessel (50, 55) of an electric arc furnace (101, 101) comprising a tippable furnace platform (2) having an opening (3) for receiving the melt vessel (50, 55), which...
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WO/2011/013151A1 |
Method for producing ferro-chrome alloys comprising a stechiometric charge and slag calculation step, a step of making the plant and the crucible furnace operate at normal regime, steps of casting the metal and the slag, a step of collec...
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WO/2011/012506A1 |
The invention relates to a method for dynamically controlling at least one unit comprising at least one burner disposed on an arc furnace, wherein the at least one burner is connected to at least one infrared radiation detector on a side...
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WO/2011/013594A1 |
Provided is a glass melting furnace for use in an apparatus and process for producing a molten glass by melting batch material particles for glass and cullet pieces, the furnace being capable of maintaining the homogeneity of the molten ...
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WO/2011/003656A1 |
The invention relates to a device for positioning a deflectable material basket at a charging opening of a furnace, to a furnace comprising such a device, to a method for positioning a material basket, and to a method for charging a furn...
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WO/2010/145845A1 |
A movable device for injecting oxygen and other technical materials into an electric arc furnace comprising a housing (16) situated above a portion of a step (13) of a crucible (11) and equipped with a cooling coil (15), an injection lan...
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WO/2010/136403A1 |
In a method for cooling a metallurgical furnace, comprising at least one cooling element through which a cooling medium flows, a cooling medium that contains at least one ionic fluid, and preferably consists thereof, is conducted through...
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WO/2010/133283A1 |
The invention relates to a metallurgical melting and treatment unit, in particular a substantially cylindrical vessel for holding and treating a nonferrous metal bath.
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WO/2010/131742A1 |
Provided is a steel-making process that drastically improves the disadvantages of conventional electric furnaces. The electric furnace steel-making process uses an arc-type electric furnace and comprises steps of: (1) putting scrap iron ...
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WO/2010/128197A1 |
Cooling element (2) for pyrometallurgical reactors and method of manufacturing the element, wherein at least one cooling channel (1) having two ends is provided first. Each end of the cooling channel (1) has connection means (17) for coo...
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