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Patent Searching and Data


Matches 201 - 250 out of 9,888

Document Document Title
WO/2010/108625A8
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 (...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
WO/2010/022703A3
The invention relates to a method for controlling the foamed slag in a stainless melt in an electric arc furnace. According to the invention, the height of the slag in the electric arc furnace is thermographically detected continuously ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
WO/2009/120858A8
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...  
WO/2009/109335A8
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...  
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...  
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...  
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...  
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,...  
WO/2009/095293A3
The invention relates to a method for determining the size and shape value (M) for a solid material (S), in particular scrap metal, in an arc furnace (1). An electrode flow fed to an electrode (3a, 3b, 3c) for forming an arc furnace (L) ...  
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...  
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 ...  
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...  
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...  
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...  
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 (...  
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 ...  
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...  
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...  
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...  
WO/2009/038849A3
An improved staged combustion method useful with oxy-fuel combustion and in a furnace which contains a charge, wherein substoichiometric combustion and low velocity injection of fuel and primary and secondary oxidant are carried out in a...  
WO/2009/037649A3
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...  
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...  
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...  
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...  
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...  
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 ...  

Matches 201 - 250 out of 9,888