Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 3,848

Document Document Title
WO/2023/231927A1
The present application relates to the technical field of solar photovoltaics, and discloses an electrode device, a heater power supply structure, and a furnace bottom structure of a single crystal furnace, aiming to provide the technica...  
WO/2023/217443A1
The present application relates to a copper contact jaw (1) for an electrical smelting unit, which can be attached to an electrode carrying arm (2) of the smelting unit and via which an electrode of the smelting unit can be electrically ...  
WO/2023/214070A1
The invention relates to a hydrogen plasma smelting reduction furnace (1) for reducing a metal oxide, more particularly for reducing iron oxide, comprising: - a reaction chamber (2), - a counter electrode disposed in the reaction chamber...  
WO/2023/185696A1
Provided in the present application is a specially-shaped graphite electrode column for reducing power consumption. The specially-shaped graphite electrode column comprises a first electrode column; a second electrode column; and a speci...  
WO/2023/192654A1
Magnetic field components measured around and along a remelting furnace and other measured furnace parameters are used to estimate concentricity of the electrode within the crucible of the furnace, to estimate a distribution of drip shor...  
WO/2023/166223A1
The present invention discloses a furnace power supply apparatus for the supply of an electric arc furnace or a submerged arc-resistance furnace with electric energy, - wherein the furnace power supply apparatus is connectable to a three...  
WO/2023/156246A1
A furnace vessel (1) of an arc furnace is loaded with metal (2) in a solid state of matter. Afterward, an energy supply device (3) of the arc furnace draws electrical energy from a supply network (4) and feeds the drawn electrical energy...  
WO/2023/157034A1
The invention concerns a method to supply electric power to furnaces (100) for melting and/or heating metal materials (M), which provides the supply of a mains voltage (Ur) and a mains cunent (Ir), both having a predefined mains frequenc...  
WO/2023/147931A1
Metal (2) situated in a furnace vessel (1) of an electric arc furnace is melted during a melting phase. Based on electrical desired values (X*) of electrical energy that is to be supplied to the electrodes (6), a control device (9) of th...  
WO/2023/141528A1
Systems and methods are provided for feeding an electrode into a container using an electrode feeder system. A fixed gripper is coupled to a support frame at or near a fixed base plate. A moveable gripper is positioned at or near a lower...  
WO/2023/139287A1
The present invention is directed to a carbon precursor material characterized by a flashpoint above 290°C and a softening point between 110 and 300°C Mettler and comprising petroleum- derived pitch product derived from a petroleum-bas...  
WO/2023/079737A1
This arc furnace equipment comprises an arc furnace, a camera, and an information-processing device. The arc furnace causes scrap to melt using heat generated by an arc discharge between the scrap and an electrode. The camera captures an...  
WO/2023/278390A1
An emergency cooling-water vacuum system and associated method for a pressurized water cooled furnace having an emergency shut off preventing pressurized cooling fluid from moving to the cooling components in the furnace, said system inc...  
WO/2022/241486A9
This invention relates to furnace electrode clamping device comprising: an array of opposed clamping-elements, which abut each other to form a collar, the clamping-elements being movable selectively between a clamped position, in which a...  
WO/2022/268511A1
A control device (9) of an electric arc furnace controls, in a melting phase and subsequently in a flat bath phase, an energy supply device (3) with first control values (A1), such that said energy supply device supplies electrical energ...  
WO/2022/232398A1
A control system includes a vision system including an imaging device and a VAR monitoring system configured to determine a power adjustment phase of the VAR process based on the images from the vision system and a process parameter. The...  
WO/2022/207936A1
The present invention is directed to a pitch product comprising petroleum-derived distillation residue and a coal tar-derived distillation residue, said pitch product characterized by a concentration of at least 84% asphaltenes (SARA). F...  
WO/2022/208563A1
An electric power supply apparatus (10) for a direct current user device (11) comprises electric power supply means (12) supplying a mains voltage and a mains current and a static power converter (15) to transform a direct electric volta...  
WO/2022/195930A1
A graphite electrode comprises a pole having a internally threaded socket in an end thereof and a externally threaded nipple that can be fastened to the socket. The value obtained by subtracting the effective diameter of the small diamet...  
WO/2022/187638A1
Described are graphite-containing electrodes comprising zirconium-based coatings, which slow the loss of material from the electrodes when used at high temperatures, for example when used in arc furnaces between 1000 and 2000 °C. The zi...  
WO/2022/175092A1
The present invention relates to a machine for three-dimensional measurement of graphite electrodes and a method for performing a very precise three-dimensional measurement of the huge cylindrical or nearly cylindrical parts that make up...  
WO/2022/168134A1
Melting plant (10) comprising an electric furnace (12), provided with one or more electrodes (13) and chemical substances introduction means (15), and a management apparatus (11) comprising a decoupling unit (14) disposed between an elec...  
WO/2022/064280A1
In order to extend the service life of electrode in the slag hole, a single copper electrode has been used in this invention. The special design of this part in resistance to thermal stresses makes it safe as a protective part against te...  
WO/2022/053647A1
What is described is a process for producing synthesis gas from CO2, which can save power in the production of synthetic hydrocarbons. This is achieved by a process for producing synthesis gas that has the following steps: Splitting a hy...  
WO/2022/038426A1
An electrode casing segment 10.1 comprises an elongate tubular sidewall 12 having a first end 16 and a second end 18. A plurality of elongate fins 14.1 to 14.n extend from the sidewall inwardly and between the first end and the second en...  
WO/2022/038172A1
The invention relates to carbon-free electrodes for metallurgy, for example for iron, steel, aluminium, copper or silicon metallurgy, in aggregates for the preparation of metallic melts or for the treatment of metallic melts and/or slags...  
WO/2022/037167A1
An integrated air conditioner and a machine room heat dissipation system. The integrated air conditioner comprises a chassis (1), and a first fan set (2), an evaporator (3), a second fan set (4), a condenser (5), and a refrigerant circul...  
WO/2022/038238A1
The invention relates to carbon-free electrodes for steel metallurgy, for example in electric arc furnaces or ladle furnaces on the basis of metal or metals and oxide or oxides or just metal in combination, in this case disclosed with wa...  
WO/2022/038644A1
Some embodiments described here concern an industrial plant (20) for treating materials, wherein the plant (20) comprises one or more lines (22, 23) for treating materials and one or more user devices (24, 25, 26, 27) and a system (10) f...  
WO/2021/234596A1
A power supply system (1) for an arc furnace (6), suitable for converting the voltage of a three-phase (R, S, T) electric power network (3) into power supply voltage for an arc furnace (6), comprises an indirect AC/AC converter (2) havin...  
WO/2021/204579A1
A direct current plasma arc furnace (1) for melting and/or treating a material by production of electric arcs and providing a molten product, the furnace (1) comprising; a tank (10) comprising: a crucible (12) delimiting a chamber (11) c...  
WO/2021/198334A1
The present invention relates to a method (100) and a system (1) for compensating for electrode (2) burn-off in an arc furnace (3). At least a part of the electrode (2) held in a first retaining position (H1) by a retaining device (4) is...  
WO/2021/145799A1
The invention relates to the field of plasma thermal and plasma chemical treatment of materials and concerns a once-through steam generator for a plasma system. The present once-through steam generator comprises an inlet for the supply t...  
WO/2021/130791A1
Some embodiments described here concern a method for melting metal material (M) in an electric arc furnace (11), which comprises a step of loading solid metal material (M) into the electric furnace (11), a step of powering the electric f...  
WO/2021/130244A1
The present invention relates to a device, an installation, and a method for regulating the electric current in an electric arc furnace; particularly the invention relates to a regulator device which regulates the current circulating thr...  
WO/2021/115573A1
The invention relates to an electric arc furnace (10) comprising a furnace vessel (17), three electrodes (14, 15, 16) disposed in the furnace vessel (17), a transformer (11) connected to the three electrodes (14, 15, 16), and a power con...  
WO/2021/111484A1
Embodiments described here concern a plant for melting and/or heating metal material (M) comprising a furnace (11), electrical energy feed means (13) and an electric power apparatus (12) connected between the feed means (13) and the furn...  
WO/2021/105808A1
The invention provides for a DC brush-arc furnace comprising a vessel 12 and first and second electrodes 16, 18. A first DC power supply 20 supplies power to the electrodes. A first conductor 26 extends parallel to the first electrode, s...  
WO/2021/097500A1
The invention provides a method for predicting a length of each of a plurality of electrodes in a submerged arc furnace and for making an adjustment to the length of an electrode based on the length as predicted, which method includes th...  
WO/2021/084566A1
Converter device configured to convert direct voltage and current into alternating voltage and current to be supplied to a load (L). The converter device comprises a bank (11) of capacitors (12), a plurality of power semiconductors (13),...  
WO/2021/078614A1
The present invention relates to a method for producing hydrogen, which method is characterized in that: in a first stage, hydrocarbons are decomposed into solid carbon and a hydrogen-containing gaseous product mixture; the hydrogen-cont...  
WO/2021/061040A1
The disclosure relates to a method (300) for controlling and monitoring an active power filter device, comprising the steps of: measuring (301) current and previous states of current and voltage signals across at least a part of a power ...  
WO/2021/045173A1
Provided is a self-baking electrode which can be used as an electrode in an electric furnace used to produce low-carbon ferro-chromium. The self-baking electrode (10) is formed by filling a cylindrical case (11) with an electrode paste (...  
WO/2021/012969A1
The present invention relates to the technical field of electric arc heating and, specifically, relates to an electric arc heating method and an apparatus, for use in heating a substrate formed by compressing and/or sintering a powder. T...  
WO/2020/259900A1
A power supply system (12) for an electric arc furnace (10) comprises an AC input (20) connectable to an electrical grid (22) and an AC output (24) for supplying at least one power electrode (14) of the arc furnace (10). The power supply...  
WO/2020/259907A1
A power supply system (12) for an electric arc furnace (10) comprises an AC input (20) connectable to an electrical grid (22) and an AC output (24) for supplying at least one power electrode (14) of the arc furnace (10); a resonant circu...  
WO/2020/229408A1
The invention relates to an electrode-feed device feeding electrodes to a plasma torch installation, comprising an element (3) for securing an active electrode (6), able to move in translation along a longitudinal axis of the active elec...  
WO/2020/183093A1
The present invention relates to a self-baking electrode (1) for an electric arc furnace (9) comprising a shell (2) and a central column (3) comprising a series of elongate flexible carbonaceous elements (4). The invention also relates t...  
WO/2020/113336A1
A method and system for stabilizing electrical power for arc furnaces and their power supplies. The method comprises causing a load to absorb power in response to determining a loss of arc event of an arc furnace electrode. After the ele...  
WO/2020/081155A1
A method for forming a protective antioxidative barrier on the furnace electrodes using a chemically altered cooling liquid containing an antioxidant additive. This method can be applied to electrodes used in electric arc furnaces and la...  

Matches 1 - 50 out of 3,848