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WO/2010/119013A1 |
A cooling plate (10) for a metallurgical furnace comprises a body (12) with a front face (14) and an opposite rear face (16), as well as coolants channel (18) therein; a plurality of lamellar ribs (24) on its front face, two consecutive ...
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WO/2010/115619A1 |
The invention relates to a charging device (1) with which charging material containing bulky parts can be delivered incrementally from a shaft (2) through an outlet opening (11) in the lower region of a shaft wall (4) by means of a slide...
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WO/2010/114525A1 |
In an embodiment, an electrode holder assembly (100) includes a current delivery base (105) having an interface (204) sufficiently designed to distribute an electrical current; a buss plate (200) sufficiently designed to provide the elec...
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WO/2010/113189A1 |
This invention concerns an electric arc furnace (4) comprising a chamber (8) suitable for containing molten steel; a roof (12) suitable for covering the chamber (8) and for containing a mass of scrap steel; electrodes (16) suitable for m...
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WO/2010/108625A1 |
An apparatus for measurinq the position of the electrodes in an electric furnace which envisages an electrode-holder column (10), comprising a lifting group (11), integral with a base structure (12) and carrying an electrode-holder arm (...
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WO/2010/105595A1 |
The invention relates to a metallurgical vessel, especially an electric arc furnace, comprising a closable bottom taphole for the molten metal. At least two taphole openings are provided next to each other and can be closed independently...
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WO/2010/106466A1 |
The present invention relates to a steel production facility (1) and a method of uninterrupted or at least cyclical steelmaking in said facility (1), wherein in case of uninterrupted steelmaking at least the first three of the following ...
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WO/2010/094584A1 |
An arc metallurgic furnace slagging door comprising a lower slag removing-pushing movable panel (16) and a top movable panel (18) which can be opened to carry out remarks and interventions on molten metal, characterized in that: said top...
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WO/2010/094337A1 |
A melting device (1) for aluminium and aluminium alloys which comprises a melting furnace (2) having a melting chamber (3), arranged to keep a volume of aluminium, provided with at least one burner (9) arranged for the purpose of heating...
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WO/2010/088740A1 |
A process and apparatus for direct smelting metalliferous material is disclosed. The invention concentrates injection of solid feed materials comprising metalliferous material and carbonaceous material into a direct smelting vessel durin...
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WO/2010/088972A1 |
The invention relates to a method and to a device for controlling a carbon monoxide output of an electric arc oven, comprising an oven container, an arrangement for determining a height of a foamed slag in at least three zones of the ove...
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WO/2010/072471A1 |
The invention relates, inter alia, to a melting furnace (10). According to the invention, at least one vibration inducer (40, 41, 42) is installed on a furnace vessel (20), at least one sensor (50, 51, 52) is arranged opposite or at anot...
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WO/2010/058172A1 |
A refractory well (16) for melting scrap metal pieces into a molten metal bath, comprises an inlet (18) for introducing metal into said well, the inlet being located so as to cause a circular flow of molten metal in said well, an outlet ...
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WO/2010/052220A1 |
A cooling plate (10) for a metallurgical furnace comprises a body (12) with a front face (14), an opposite rear face (16), four side edges (18, 18', 20, 20') and at least one coolant channel (30) extending from the region of one side edg...
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WO/2010/047004A1 |
In generating steam by utilizing the heat of the waste gas discharged from an arc furnace for steel-making, the object aims to level the generated quantity of steam so as to easily use the steam for power generation. A waste heat boiler ...
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WO/2010/036483A1 |
In a furnace such as a glassmelting furnace, a portion of the combustion products formed by combustion of fuel with gaseous oxidant within the furnace are passed through a recuperative or regenerative heat exchanger system to heat a port...
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WO/2010/033108A1 |
Metallurgical reactors having cooling capability and electrode feed capability are disclosed. The reactors may include a shell having a sidewall and a bottom, where the shell is adapted to contain a molten material. The reactors may incl...
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WO/2010/022473A1 |
A method for producing a ferro-alloy, such as steel, in an electric arc furnace or other suitable metallurgical furnace is disclosed. The method comprises supplying a mixture of (a) a carbon-containing polymer that is capable of acting a...
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WO/2010/017812A1 |
The invention relates to a probe for continuously measuring exhaust gases on vessels for melting metals, in particular on electric furnaces for producing steel, which probe is characterized by a cylindrical body which can be attached by ...
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WO/2010/015243A1 |
The invention relates to a continuous scrap supply into an electric arc furnace (EAF), wherein a channel is provided which is connected at one end to an opening in the wall of the arc furnace and comprises at the other end of said channe...
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WO/2010/007875A1 |
Provided is an exhaust gas processing facility wherein dusts in exhaust gas from a furnace for producing molten metal are separated and collected to thereby enhance utilization of dusts, and control of internal pressure of the furnace fo...
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WO/2009/153075A1 |
The invention relates to an arc furnace (2) having a bay panel (26), a lower vessel (4) having a discharge opening disposed off-center, and a measuring device (20) having a measuring rod (24) attached to a measuring head (22) in an exten...
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WO/2009/142028A1 |
Provided is an inversely inclined full-lining structure of lining bricks, which can prevent the bricks from cracking and dropping so that it can perform a stable operation. The inversely inclined full-lining structure comprises a furnace...
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WO/2009/139488A1 |
A process for reforming high-temperature exhaust gas from a metallurgical furnace which comprises adding a reducing agent to the exhaust gas to reform the gas, wherein the addition of the reducing agent is initiated when the oxygen conce...
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WO/2009/131148A1 |
Disclosed is a process for producing molten metal employing a stationary-type non-tilting electric furnace that includes a raw material charging chute in one end of the furnace in the width direction which provides connection from above ...
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WO/2009/129570A1 |
Disclosed herein are reactors and methods for forming alloys based on titanium-aluminium or alloys based on titanium-aluminium inter-metallic compounds. The reactor comprises a first section having an inlet through which precursor materi...
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WO/2009/126052A1 |
An electric arc-resistance furnace, in particular for manufacturing of concentrated silicon alloys using the method of silicon dioxide and iron oxides reduction with carbon, which has a furnace tank filled with a charge blend and a gas c...
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WO/2009/119843A1 |
Provided is a direct reduction iron making equipment, in which matching between a continuously operated rotary hearth furnace and a batch operated melting furnace is improved and high productivity can be realized. A raw material introduc...
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WO/2009/120858A1 |
The present invention generally relates to an apparatus and method for use in metal melting, refining and/or other processing, such as, for example, steel making in an electric arc furnace (EAF), and more particularly, to improved burner...
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WO/2009/109335A1 |
In an electric arc furnace, in which the electrode lift device (22, 23, 24) and the cover lift device (6) are disposed so that the cover lift (DH) and electrode lift (EH) add up, the weight load of the cover lift device is reduced by the...
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WO/2009/103257A1 |
The invention relates to a method for the oxidation of combustible constituents in the exhaust gas of an arc furnace, wherein oxygen for the oxidation of the combustible constituents in the exhaust gas is injected into the exhaust gas th...
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WO/2009/095457A1 |
Control method for melting a metal charge in a furnace (10) comprising at least a hearth (11) containing the metal charge and a roof. The method provides that the hearth (11) is weighed by means of a plurality of weighing elements (16) d...
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WO/2009/095292A1 |
The invention relates to a method for operating an arc furnace (2) comprising at least one electrode (3a, 3b, 3c). A solid material fed to the arc furnace (1) is melted by means of an arc (1) formed by the at least one electrode (3a, 3b,...
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WO/2009/087142A1 |
Process and apparatus for melting raw material in an electric arc furnace using a flame of variable direction, the apparatus comprising a burner and a lance whereby the lance outlet (31) opening and the burner outlet opening (21) are not...
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WO/2009/087183A1 |
The invention concerns cooling of the refractory lining in a smelting reduction vessel for producing hot metal. The vessel comprises an outer shell and an inner refractory lining for containing a bath of molten metal and a layer of slag ...
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WO/2009/077114A1 |
The invention relates to a device and a method for obtaining metals or metal compounds, particularly from a material comprising the metal or the metal compound, having a housing (2) having a first inlet (5) for feeding in the material, a...
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WO/2009/076945A1 |
The invention relates to a device for extracting metals or metal compounds from a material containing the metal or the metal compound, with a furnace vessel (2), with a first inlet for supplying the material, a first outlet (10) for disc...
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WO/2009/071407A1 |
The invention relates to a cleaning device and a furnace (1), particularly an electric arc furnace, having a tapping channel (2) for discharging liquid metal from the furnace (1), a locking device (4) for opening and closing an opening (...
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WO/2009/071406A1 |
The invention relates to a device for loading a furnace (2), particularly an electric arc furnace, with materials for the production of a metal melt, having at least one feed path (1) along which a first material and at least a second ma...
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WO/2009/073381A1 |
The apparatus system includes a carbothermic reactor and an electrical supply. The reactor includes a plurality of side-entering electrodes and a top-entering electrode. The electrical supply may be operable to supply multiphase current ...
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WO/2009/049777A1 |
The invention relates to an electric furnace (1) with a receiving chamber (2) for molten material (3), wherein at least one electrode (4, 5) protrudes into the receiving chamber (2), and wherein means (6) for introducing dust into the re...
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WO/2009/047624A1 |
A furnace plant including at least one furnace vessel comprising side walls, a bottom and a roof. At least one heater is configured to heat metal in the furnace vessel. A compartment includes sidewalls lined with refractory material. The...
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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...
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WO/2009/038139A1 |
A process for molten-iron production which comprises: charging a solid reduced iron obtained by reducing carbon composite iron oxide briquettes with heating, a carbon material, and a fluxing agent into a melting furnace of the arc heatin...
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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...
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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...
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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...
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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 ...
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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...
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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...
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