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WO/2023/223683A1 |
The objective of the present invention is to accurately measure the length of a carbon electrode by eliminating measuring errors resulting from an external shape of a union that has melted off together with a metal pipe. This carbon elec...
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WO/2023/222423A1 |
A stave protection system for a metallurgical furnace comprises: a stave (100) comprising upper and lower ribs (114) projecting forwardly from a front face (102) of the stave (100) and spaced apart from each other so as to define a trans...
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WO/2023/224496A1 |
A system and method for robotic tapping of rotating furnaces is provided. The present invention attains the above-described objective by a robot that uses a coarse positioning system to align roughly with the tap hole and a fine position...
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WO/2023/218435A1 |
A set of water-cooled panels(10) for electric arc furnaces comprising some pie- shaped panels(20) that cover the ceiling and the walls of an electric arc furnace in a circular arrangement, wherein each panel(20) comprises a set of separa...
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WO/2023/209944A1 |
A melting furnace according to the present invention comprises: a preheating tower (12) having a preheating chamber (12b) installed therein; a melting chamber (14); a combustion chamber (16); and a combustion burner (18). Inside a furnac...
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WO/2023/209427A1 |
A metallurgical furnace 10 comprises a fluid-cooling system 40 for a first part 42 of the furnace below a taphole 16. The fluid-cooling system comprises a conduit 44 that is in heat exchanging relationship with the first part 42. The con...
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WO/2023/187527A1 |
Embodiment of disclosure relates to a system and method for measuring burden profile distribution in a blast furnace. The system comprises a phased array-based radar unit which is configured to perform plurality of scans in interior of a...
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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...
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WO/2023/181088A1 |
Weighing device for charge material fed into an electric arc furnace, which comprises a plurality of supports each comprising an upper plate, a lower plate and a weighing element in contact with and disposed between said two plates, wher...
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WO/2023/173159A1 |
A method and an apparatus for producing direct reduced iron (DRI) move a material comprising iron ore and biomass through a preheat zone (20) and then a reduction zone (30) of a hearth furnace (3) and heat and progressively reduce iron o...
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WO/2023/170721A1 |
Feed apparatus (10) for feeding a metal charge (C) toward a melting furnace (100), wherein the apparatus (10) comprises a conveying channel (11) and a fixed hood (12) which is configured to hermetically close the upper part of the convey...
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WO/2023/170622A1 |
A process for preheating raw material in the production of ferrochrome products. The process includes extracting off-gas produced in a DC arc furnace (12), feeding the extracted off-gas to a hot gas generator (40) and generating hot gas ...
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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...
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WO/2023/163949A1 |
An integrated aluminum melting and holding system is provided. The system includes, in combination, a hearth for receiving and melting a charge of aluminum pieces, a holding chamber for maintaining the elevated temperature for casting, a...
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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...
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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...
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WO/2023/148019A1 |
The present invention relates to the field of metallurgical installations. The invention relates specifically to a transporting system for charging a metallurgical melting vessel, preferably an electric arc furnace, which is moved from a...
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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...
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WO/2023/132948A1 |
A metallurgical vessel structure and method is provided for producing low-impurity Magnesia-Carbon reclaimed aggregate suitable for reuse in the production of high purity Magnesia-Carbon refractory. A metallurgical vessel is assembled wi...
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WO/2023/119802A1 |
Provided is a cathode assembly that makes it possible to simplify the task of connecting a cathode block and a collector bar. A cathode assembly (100) is used in an electrolytic furnace for aluminum smelting and comprises: a carbon catho...
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WO/2023/119772A1 |
The present invention provides an electrode assembly which is capable of simplifying the connection work between an electrode block and a conductive rod. An electrode assembly (10) according to the present invention is used in an electro...
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WO/2023/110375A1 |
The invention relates to a smelting unit for steel production with a tap weight of between 60 t and 350 t and to a method for operating same. By means of a top lance that moves during operation of the smelting unit and the coordinated in...
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WO/2023/105541A1 |
Electric arc furnace (10) usable for melting a metal charge (M) and comprising a container (11) having at least one perimeter wall (20) in which there are an upper aperture (21), a lateral slagging aperture (22) and a lateral feed apertu...
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WO/2023/097536A1 |
A binding system for a metallurgical furnace. The metallurgical furnace includes a furnace shell (10) having a plurality of shell segments (11) which extend vertically and are adjacently spliced to each other in the circumferential direc...
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WO/2023/094545A1 |
A system for measuring a thickness of a cooling plate, said system comprises: a probe holder unit (10) designed to fit inside a coolant channel (18) of the cooling plate (12), the probe holder unit comprising a housing (30) extending alo...
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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...
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WO/2023/067619A1 |
The invention discloses apparatus(100) for production of ferrosilicon or metallurgical grade silicon metal through an environmentally friendly process. The apparatus(100) includes a hearth furnace(101) of cylindrical shape with a bottom(...
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WO/2023/037034A1 |
A cooling element (4) for a furnace (1) comprises a first side (7) configured to be directed towards the inside (3) of the furnace (1), a second side (8) opposite to the first side (7) and configured to be directed away from the inside (...
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WO/2023/036352A1 |
The invention relates to a metallurgical melting furnace comprising a furnace vessel, a waste-gas discharge device which is arranged thereon and is intended for discharging a waste gas stream, and an air-supply opening for supplying air ...
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WO/2023/026854A1 |
Provided is a technology for executing stable processing by extending the furnace refractory life in an electric furnace for heating and melting a raw material containing a valuable metal. The present invention provides an electric fur...
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WO/2023/021078A1 |
The invention relates to an electric arc furnace having a furnace vessel with at least one electrode and a voltage supply connected to the at least one electrode, wherein: the furnace vessel has a lower vessel for receiving a melt and a ...
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WO/2023/016820A1 |
The invention relates to: an apparatus for inductively heating a molten metal (S), said apparatus comprising at least one vessel (8, 27) which is formed from a refractory material and which has an inlet section (9) and an outlet section ...
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WO/2023/282833A1 |
A method for producing a semisolid metal slurry, comprising the steps of providing at least two stirring devices (111,112; 211,212,213), each having a first end (111a,112a; 211a,212a,213a) and an opposite second end (111b,112b; 211b,212b...
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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...
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WO/2022/269551A1 |
The present invention concerns an injector-burner (1) for electric arc furnaces, having an ax i a 1 - s ymme trie extension with respect to a longitudinal axis (X) and defining sequentially from said axis (X) outwards : a central nozzle ...
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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...
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WO/2022/264030A1 |
The present invention relates to improvements to an induction smelting process. It relates to a hybrid combination of plasma over induction for a superefficient continuous smelting process; and real-time monitoring and adjustment of the ...
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WO/2022/261335A1 |
Imaging technology using high energy charged particles can be used to image an object of inspection such as a blast furnace. An example method of imaging a blast furnace includes performing a first moving operation by moving a first part...
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WO/2022/254322A1 |
The invention relates to a device (1) for processing iron oxide-containing and phosphate-containing process materials, in particular waste materials such as sewage sludge, dry sewage sludge, sewage sludge ash, animal meal and/or bone mea...
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WO/2022/243129A1 |
The invention relates to a method for producing steel in an integrated metallurgical plant (1) comprising at least one direct reduction reactor (2) for directly reducing iron ore into sponge iron, at least one electric furnace (3) for me...
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WO/2022/234762A1 |
Provided is a technique for melting a cold iron source using a heat source having reduced CO2 emissions. Provided is an electric furnace in which a burner is arranged so as to face the furnace contents, the burner being equipped with a p...
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WO/2022/211641A1 |
The invention relates to a ferrosilicon vanadium and/or niobium (FeSi V and/or Nb) alloy comprising 15 - 80 wt % Si; 0.5 - 40 wt % V and/or Nb; up to 10 wt % Mo; up to 5 wt % Cr; up to 3 wt % Cu; up to 3 wt % Ni; up to 20 wt % Mg; 0.01 t...
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WO/2022/211640A1 |
The invention relates to a ferrosilicon vanadium and/or niobium (FeSi V and/or Nb) alloy comprising 35 - 75 wt % Si; 3 - 35 wt % V and/or Nb; up to 2 wt % Al; up to 25 wt % Mn; up to 25 wt % Cr; up to 0.15 wt % Ca; up to 0.10 wt % Ti; up...
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WO/2022/204307A1 |
A hearth for a traveling hearth furnace for the production of pig iron grade nuggets, the hearth having a synthetic graphite material in direct contact with the process charge in producing a plurality of metallic iron nodules and slag. T...
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WO/2022/184191A1 |
A device for melting metals, which comprises a back wall (11), a bottom (6), an upper part (1), a supporting vault (2) and a front wall (4), where the back wall, the supporting vault and the upper part represent a casing of the device an...
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WO/2022/180297A1 |
Presented is a metallurgical furnace (1) comprising a hearth (2), a sidewall structure (3), and a surrounding cooling element structure (26) comprising cooling elements (12). Each cooling element (12) have a planar back surface (13). A s...
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WO/2022/172770A1 |
To reliably supply scrap iron into a melting chamber. Provided is a method for manufacturing ingot iron by using an electric furnace comprising a preheating chamber, a melting chamber, an extruder provided for the preheating chamber, a...
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WO/2022/172768A1 |
The purpose of the present invention is to clearly observe the situation in a furnace in which matter subject to heating is heated with a burner. A burner having a multiple tube structure that has: a lens; an imaging device; an inner t...
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WO/2022/172771A1 |
The present invention is for directly and clearly observing the state of a melting chamber of an electric furnace. This video-device-equipped electric furnace comprises: a melting chamber; a preheating chamber; and a video device for o...
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WO/2022/164749A1 |
A refractory ring structure for forming a section of an inner wall or liner of a metallurgical vessel is provided. The refractory ring structure comprises a continuous top surface; a continuous bottom surface; a continuous arcuate inner ...
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