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Patent Searching and Data


Matches 201 - 250 out of 10,336

Document Document Title
WO/2012/085444A1
Discontinuously charged method for smelting materials that are to be melted in a fuel-heated furnace, in which at least one stage of supplying heat energy involves a conditioning phase during which - the at least one burner operates subs...  
WO/2012/080823A1
Feeding system for a conventional tiltable electric arc furnace, comprising a furnace gantry extension on the side of the shell formed with the off gas opening. Such extension provides the base for an angled shaft connected in a sealed f...  
WO/2012/076921A1
Apparatus for continuously conveying and pre-heating a metal charge (13) inside a container (12) of a melting plant (11), comprising at least a conveyor channel (21), having walls (38, 39) to convey the metal charge (13), and at least a ...  
WO/2012/076920A1
Apparatus for continuously conveying and pre-heating a metal charge (13) inside a container (12) of a melting plant (11), comprising at least a channel (21) for conveying the metal charge (13), at least a hood (17) disposed above the con...  
WO/2012/076917A1
Apparatus for pre-heating and conveying a metal charge (13) to a container (12) of a melting plant (11), comprising at least a conveyor channel (21) along which said metal charge (13) is able to advance so as to be delivered to the conta...  
WO/2012/075980A1
The invention relates to a lance for a furnace crucible system or a metallurgical reaction vessel. The lance is provided with a coating that prevents or at least minimizes the adhesion of molten metal or slag. According to the invention,...  
WO/2012/073711A1
Waste is efficiently pyrolyzed at a low temperature without requiring complicated heat management and without using a large quantity of a supplemental fuel, while reliably avoiding the decomposition temperatures at which dioxins and NOx ...  
WO/2012/074023A1
The first purpose of the present invention is to provide a glass melter that can produce modified molten glass containing a high concentration of additive components in excellent quality, a modification method for glass blank, and a prod...  
WO/2012/074186A1
The present invention relates to a slag discharge door device for an electric furnace, wherein slag is prevented from flowing out via a slag discharge port by making a discharge control door body move up and down to the upper surface of ...  
WO/2012/062254A1
The invention relates to a charging shaft system of an electric arc furnace, comprising an openable closure, a shaft-shaped container, an outlet opening, and at least one suction opening. The invention also relates to a method for fillin...  
WO/2012/055391A1
The invention relates to a scrap-pushing apparatus having a scrap pusher, which is guided in a linear guide, and having a hydraulic drive system, which comprises at least one cylinder/piston unit, wherein the scrap pusher has at least on...  
WO/2012/051977A1
The invention relates to a cooling-water guide for a melting furnace for melting metals, in particular steel, consisting of cooling-water feed lines and cooling-water return lines. The furnace has a furnace vessel that can be tipped by m...  
WO/2012/053291A1
The present invention provides an apparatus for producing molten metallic iron that can separate molten metallic iron from molten slag discharged from a rotary hearth furnace and collect only the molten metallic iron without having to pe...  
WO/2012/041947A1
The invention relates to a lift and pivot device (1) for a cover (11) of a furnace, comprising: a guide housing (2) having a base plate (2a), at least one rotatably mounted slide roller (6, 6'), and a vertical opening (2d); a lift pin (3...  
WO/2012/038488A1
The invention relates to a method for the controlled operation of an industrial oven which is heated in a regenerative manner and which comprises an oven chamber, in particular a melting tank, in particular for glass, having the followin...  
WO/2012/038151A1
In a base part (1) of a plant in the basic materials industry, hot exhaust gases occur during a first phase (P1) of a plant cycle. In a second phase (P2) of the plant cycle, the hot exhaust gases do not occur or only to a considerably re...  
WO/2012/038320A1
The invention relates to a preheating apparatus (1) for steel scrap which is to be charged into a metallurgical melting vessel (8), having a vertical shaft (3), which is surrounded by a housing wall (2) and is used to receive the steel s...  
WO/2012/038906A2
The present invention refers to a heat exchanger (1) for the rapid cooling of flue gas of ironwork plants, comprising a support structure (2) of at least one module (100) which in turn comprises an inlet manifold (3) of the flue gas and ...  
WO/2012/038140A1
An apparatus for melting and refining impure nonferrous metals, particularly scraps of copper and/or impure copper originating from the processing of minerals comprising a tiltable reverberatory furnace (32) with a furnace body (34) that...  
WO/2012/038906A3
The present invention refers to a heat exchanger (1) for the rapid cooling of flue gas of ironwork plants, comprising a support structure (2) of at least one module (100) which in turn comprises an inlet manifold (3) of the flue gas and ...  
WO/2012/034766A1
The invention relates to a melt metallurgical installation comprising a melting furnace (1) for melting scrap metal (2) and a charging region (3) for the melting furnace (1) which is located above the melting furnace (1). Said installati...  
WO/2012/034586A1
An apparatus (11) for electromagnetic stirring of the steel melt in an electrical arc furnace (10) comprises two electromagnetic stirrer units (12, 13), a current supply (14), and a control unit (15). The two stirrers are mounted on an o...  
WO/2012/035793A1
The purpose of the present invention is to provide a combustion device which does not cause an increase in the NOx generation amount or a degradation in efficiency due to a decrease in flame intensity, even when there is no flexibility i...  
WO/2012/032379A1
A method and relative plant for treating metallurgical slag in order to segregate heavy metals in the slag by including them permanently in a crystal structure of the treated slag, the method comprising the steps of extracting the slag p...  
WO/2012/031973A1
A charging device (4) for a melting furnace (1) of a melt-metallurgical plant has a charging element (5), which can be filled with metal scrap (2) intended for the melting furnace (1) in a stockpiling area (6) of the melt-metallurgical p...  
WO/2012/032421A1
A brush-arc furnace 10 comprises a vessel 12. The vessel defines a chamber 24. The chamber holds a burden 28 comprising a body 30, preferably comprising a ferrochrome alloy, and a layer 32 on the body comprising slag. The layer has an up...  
WO/2012/026798A8
The invention relates to a cooling panel for a casting furnace, which can be rotated in such a way that the two faces of the panel can be positioned facing the casting process and which can be turned over such that either the upper or lo...  
WO/2012/026798A3
The invention relates to a cooling panel for a casting furnace, which can be rotated in such a way that the two faces of the panel can be positioned facing the casting process and which can be turned over such that either the upper or lo...  
WO/2012/023029A1
The present invention refers to a method and to a control and tracking system of the charge of material transported by a continuous supply conveyor (2) of a metallurgical furnace (3), in particular an electric furnace for the production ...  
WO/2012/019913A1
The invention relates to a method for operating a charging material preheater for a smelting oven, to a charging material preheater, and to a smelting furnace system having such a charging material preheater. The charging material prehea...  
WO/2012/017312A1
The present invention refers to a panel (1) cooled with a fluid, for metallurgic furnaces (F), comprising a first chamber (2) having a face (2A) which, in assembly conditions, is destined to face the interior of a metallurgic furnace (F)...  
WO/2012/007105A1
A process for heating a metal feedstock (31) fed in continuous to a smelting furnace (30) through a second horizontal heating section (34) through which hot discharge fumes collected from said furnace (30) pass, said fumes exerting a hea...  
WO/2012/008453A1
Disclosed is a rotary kiln provided with a rotary furnace in which an object to be treated containing a metal is burnt, an electric furnace which is connected to the rotary furnace via a connecting portion and which separates the metal f...  
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...  
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, ...  
WO/2011/147035A3
A heat treatment furnace, also referred to as a multi-chamber furnace, that includes a plurality of treatment chambers, each having heating and cooling dampers and being controllable to adjust a flow rate into the treatment chamber, the ...  
WO/2011/147035A9
A heat treatment furnace, also referred to as a multi-chamber furnace, that includes a plurality of treatment chambers, each having heating and cooling dampers and being controllable to adjust a flow rate into the treatment chamber, the ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2011/117438A3
The invention relates to a furnace for melting inorganic salts, provided with a container (1), at least one inlet area (2) for solid inorganic salts, at least one outlet area (3) for molten inorganic salts, and at least one heat exchange...  
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...  
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...  
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...  

Matches 201 - 250 out of 10,336