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Patent Searching and Data


Matches 1 - 50 out of 5,232

Document Document Title
WO/2017/220726A1
The invention relates to an electric reduction device with an electric reduction furnace (100) for preparing feedstock and with at least one transformer (200) for providing a three-phase supply voltage (R, S, T). In an elongated furnace ...  
WO/2017/209419A1
The present invention provides a novel high-entropy alloy and, specifically, provides a high-entropy alloy comprising a body-centric cubic crystal structure, wherein the body-centric cubic crystal structure comprises, as main elements, A...  
WO/2017/206700A1
A circular electric furnace, and electrode arrangement structure thereof. The electrode arrangement structure of the circular electric furnace comprises: 2n electrodes (11-16) and n single-phase transformers (40) each including two outpu...  
WO/2017/182902A1
The invention relates to an arc smelting system 10 and a method of monitoring, or obtaining an indication of, a length of an electrode of the arc smelting system 10. The system 10 includes at least one electrode; a current measuring arra...  
WO/2017/167859A1
The present invention relates to a self-calcining electrode material for electric arc furnaces, containing one or more carbon components and a binder, wherein the binder is hard bitumen and having a needle penetration at 25°C according ...  
WO/2017/125645A1
The invention relates to a method for operating an electrode equipment assembly (1) of an electric arc furnace (2) and to an electrode equipment assembly (1) of an electric arc furnace (2). The electrode equipment assembly (1) comprises ...  
WO/2017/116978A1
A sealing system (300) for isolating the environment inside a vitrification container from the outside environment comprises a vitrification container with a lid. The lid comprises two or more electrode seal assemblies through which two ...  
WO/2017/093274A1
The invention relates to a self-baking electrode (1) for a smelting/reduction oven and to a method for determining the baking status of such an electrode (1) which has a hollow cylindrical sleeve (10), an electrode paste (20) filled into...  
WO/2017/085330A1
The invention relates to an energy supply device for an electric furnace, in particular a reduction furnace having at least one electrode. In order to guarantee an effective input of power into the electric furnace during an immersion of...  
WO/2017/058764A1
A system for performing treatment of a liquid by ionized gas comprises a laminar flow liquid gas plasma reactor. The plasma reactor includes electrodes, an upper and lower flow spreader, and a housing. The reactor uses gas to form a gas ...  
WO/2017/044178A1
A method for the electrolytic production of pure copper from copper-containing compounds dissolved in a high-temperature bath of molten salts which function as an electrolyte in an electrolytic cell. An electric current is passed between...  
WO/2017/022713A1
[Problem] To reduce the size of an electromagnetic wave heating device that uses steam. [Solution] An electromagnetic wave heating device is provided with: a heating chamber; a planar antenna that is disposed on a first wall surface of t...  
WO/2016/191861A1
It is proposed herein to employ thyristor firing angles as a fast prediction of flicker in power supply for an electric arc furnace. It is further proposed to actively modify operating variables for the electric arc furnace to maintain t...  
WO/2016/120395A1
Continuous, trouble-free operation is achieved by a plasma reactor that comprises the following: a reactor chamber; a reactor housing, which surrounds the reactor chamber and has at least one electrode opening by way of which a rod-shape...  
WO/2016/111704A1
An inline thermal treatment system for thermally treating a continuous product includes a gas supply system configured to supply a first gas flow and a power source configured to supply power. The system includes a plasma torch configure...  
WO/2016/084028A1
A direct current electric arc furnace (1) for metallurgical plant comprises an electrode (3) having a base (4) and a plurality of metal bars (5) fixed to the base (4); each of said metal bars (5) comprises at least a first portion (12) a...  
WO/2016/071391A1
An electric arc furnace (EAF) including a raw material container, a set of electrodes, a set of electrical potential transformers, and a reference signal verification device. The set of electrodes are configured to be controllably extend...  
WO/2016/059248A1
The invention relates to a method of reducing plasticizer migration in hoses and vessels made from PVC. It also relates to a hose or vessel having an inner lumen which has been treated by the method of the invention. It also relates to t...  
WO/2016/050627A1
This invention concerns power supplies suitable for electric arc gas heaters such a plasma torches. It more particularly relates to the dimensioning of the inductor in the switched-mode DC to DC converter used for feeding the torch. The ...  
WO/2016/040244A3
An environmentally friendly (e.g. no acid, base, or cyanide) system and process for large scale extraction of metal ion into aerobic molten salt (or ionic liquid) and the electrodeposition of metal (e.g. copper, gold, silver, etc.) from ...  
WO/2016/008864A1
The invention relates to an electric arc furnace which comprises a safety device (3) and an earthed peripheral device. The invention is characterised in that an earth cable (4) is provided to the peripheral device of said arc furnace (2)...  
WO/2015/190494A1
 Provided is a graphite structure with which it is possible to suppress, to a minimum, adverse effects such as breaking when a join site is subjected to bending stress. For a graphite structure (20A), the distance between an inner peri...  
WO/2015/149980A1
The invention relates to an apparatus and a method for dynamically regulating an electric arc furnace (1) that is electrically connected to a power supply system and that has at least one system phase that is used to apply to a furnace e...  
WO/2015/101714A1
The invention relates to a method and an arrangement for measurement of electrode paste in an electrode column of an electric arc furnace. The electrode column (10) comprises a steel casing (11) surrounding the electrode paste and said e...  
WO/2015/096915A1
The present invention relates to an ignition apparatus and an ignition method for electric arc furnaces, at least two electrodes each generating an arc by means of one phase of an alternating current and one associated phase of an altern...  
WO/2015/079024A1
The invention relates to a device (1) and a method for adjusting an electrode (2) of a metallurgical furnace. The device (1) concerned comprises an upper, first clamping ring (4) and a lower, second clamping ring (6), wherein the clampin...  
WO/2015/071312A1
This tool has an attachment head (22) holder (70) extending along a longitudinal axis (B-B'); - a mould bottom (72) carried by the holder (70), the mould bottom (72) defining an axial through-orifice for the attachment head (22); - an en...  
WO/2015/062956A1
The invention relates to a method for operating an electric arc furnace (10), which comprises at least one electrode (18), which is made of graphite and which has a passage opening (32), wherein in the method an arc (20) is generated bet...  
WO/2015/062968A1
The invention relates to a method for operating an electric arc furnace (10) comprising at least one electrode (18) having a through-opening (32), wherein in said method an electric arc (20) is generated between the at least one electrod...  
WO/2015/048827A3
A method of detecting an open arc in a DC plasma arc furnace which is based on detecting a linear decrease in the log of the magnitude of the frequency spectrum of the voltage between the anode and cathode.  
WO/2015/048827A8
A method of detecting an open arc in a DC plasma arc furnace which is based on detecting a linear decrease in the log of the magnitude of the frequency spectrum of the voltage between the anode and cathode.  
WO/2015/028706A1
The invention relates to a pressure ring assembly for contact shoes in an electrode system of an electric arc furnace provided with at least one electrode column assembly. The electrode column assembly comprises a contact shoe ring forme...  
WO/2015/028709A1
The invention relates to an arrangement for sealing a bellows cylinder in a pressure block of a pressure ring assembly of an electrode system (1) of an electric arc furnace (6). The bellows cylinder (60) is located in a cavity (61) forme...  
WO/2015/024822A1
The present invention relates to a carbon-containing nipple having at least one nipple thread, in particular for carbon-containing electrodes, comprising at least one inlet (also called first inlet) in the at least one nipple thread, whi...  
WO/2015/000745A1
The invention relates to an electric arc furnace (2) and to a method for operating an electric arc furnace (2) comprising at least one electrode (4a, 4b, 4c) for generating an electric arc (6a, 6b, 6c), in which the desired value of the ...  
WO/2015/001180A1
An electrode slipping device comprises an upper holder (3) and a lower holder, both holders (3) containing one or more clamping shoes (5) and one or more clamping cylinders (6) in co-operation with the clamping shoes (5).The clamping sho...  
WO/2015/001179A1
A method and a system for monitoring clamping pressure exerted by a clamping cylinder to an electrode in an electrode slipping device which comprises an upper annular holderringand a lower annular holderring, each comprising at least one...  
WO/2014/190433A1
A heat treatment apparatus for heat treating an interior surface of a longitudinally extending cavity of a target structure has a processing head which comprises a longitudinally extending central support member and distal and proximal e...  
WO/2014/177129A3
The invention relates to a universal joint suspension system for a re-melting furnace, said system being used to hold the electrode rod (3) mounting comprising the consumable electrode (4) cardanically in relation to the furnace body, th...  
WO/2014/139402A1
Disclosed is a method for heating oil shale subsurface in-situ. The method may used to obtain shale oil and fuel gas from an underground oil shale layer in-situ, and may used to obtain fuel gas from underground coal bed in-situ. The meth...  
WO/2014/141217A1
The method for adjusting the impedance of one or more phases of a secondary circuit of an electric furnace, in order to limit the unbalance between the phases themselves comprises the transformer (31), a variable impedance secondary circ...  
WO/2014/131069A1
The invention relates to a holding device for a heating element and to a heater having at least one such holding device, wherein the holding device (2) is produced from a refractory metal or from an alloy on a refractory metal basis and ...  
WO/2014/126575A9
The present invention relates generally to compositions for use in biological and chemical separations, as well as other applications. More specifically, the present invention relates to hybrid felts fabricated from electrospun nanofiber...  
WO/2014/118147A1
A contact plate intended to be brought into contact with the wall of an electrode of an electro-metallurgical furnace, comprising an internal channel having an inlet and at least one outlet which can be linked respectively to an external...  
WO/2014/096543A1
A sealing device (1) for sealing an annular gap (21, 22, 23) in connection with structures of a pyrometallurgical furnace (3) to isolate an inner atmosphere of the furnace from the atmosphere residing outside the furnace, for preventing ...  
WO/2014/096540A1
A method and sealing arrangement (22) for sealing of gaps (1) in a contact shoe ring (2). The sealing arrangement (22) comprises a refractory fabric (12) which is folded to a substantially U-form shape having a first branch portion (13) ...  
WO/2014/091414A3
Systems and methods for high pressure plasma discharge, wherein a system comprises at least one electrode which is fragmented into pieces and arranged to form a fragmented electrode system; at least one dielectric material placed between...  
WO/2014/063176A1
The invention relates to a glass-melting electrode (2) with a cooling device and a cooling device for a glass-melting electrode, the glass-melting electrode (2) having an electrode body (4, 6) with a blind hole (8), and the cooling devic...  
WO/2014/060256A1
The invention relates to a device and a method for the process-based power control of an electric arc furnace (10). Several types of sensors (15, 16, 17) detect current operational parameters of the electric arc furnace (10) in accordanc...  
WO/2014/060262A1
The invention relates to a device and method for controlling an electric arc furnace (10) in the initial phase of a melting process. A sensor (16) for measuring the actual current and a sensor (15) for measuring the actual flowing curren...  

Matches 1 - 50 out of 5,232