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Matches 1 - 50 out of 7,640

Document Document Title
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 ...  
WO/2022/117558A1
The present invention relates to a method and a smelting unit (1) for pyrometallurgical smelting of metal-containing raw materials, waste materials and/or secondary raw materials (M) in the presence of an oxidizing, reducing and/or inert...  
WO/2022/117466A1
The invention relates to a method for the recovery of aluminium from aluminium scrap with adhering organic deposits in a multichamber melting furnace (1), at least comprising the following method steps: - batchwise charging of the hearth...  
WO/2022/111873A1
The invention relates to a method for treating molten metals (4) and/or slags in metallurgical baths, comprising the introduction of a process gas into a melt bath, wherein the process gas is accelerated to supersonic speed and is introd...  
WO/2022/102208A1
This melting equipment, for melting metal raw materials by means of an arc formed by passing current through an arc electrode, is provided with: a furnace main body in which the metal raw materials to be melted are charged; a primary pre...  
WO/2022/102177A1
[Problem] To provide a melt mixing system that: makes it possible to suppress generation of oxides during a step for mixing together a first melt obtained by melting a first melt material and a second melt obtained by melting a second me...  
WO/2022/098375A1
A measurement system is provided for predicting a future status of a refractory lining that is lined over an inner surface of an outer wall of a manufacturing vessel and exposed to an operational cycle during which the refractory lining ...  
WO/2022/098221A1
The present method for preparing a lining of a melting furnace includes laying refractory bricks and creating a protective layer in the area that is most exposed to the effect of a melt. To create said protective layer, the following are...  
WO/2022/091147A1
Cooling device suitable to be used in an electric melting furnace (30), or suchlike, in cooperation with the lateral wall of said electric furnace (30) and comprising at least one pair of cooling panels (11a, lib, 12a, 12b) each provided...  
WO/2022/074430A1
A post-combustion lance (1) comprising a plurality of tubes which surround one another and are concentric to a central longitudinal axis of the lance Z, a tip (15) located at one end of the lance (1) and provided with at least a primary ...  
WO/2022/070122A1
The furnace binding and adjustment system 14 comprises a frame 18 externally of walls 16.1 and 16.2 of the furnace 12. There are provided adjustable spring-loaded actuators 22, 24 selectable from a group comprising a) a first actuator 22...  
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/2022/034517A1
An ultrasound system for processing of liquid metal and their alloys, comprising at least one ultrasound transducer (301, 401, 501, 601, 701, 701a, 801a, 801b, 801c, 801d, 801e, 901, 1001) and at least one composite waveguide (302, 402, ...  
WO/2022/029568A1
Treatment apparatus of hot flue gases emitted by an industrial plant, comprising a gas circuit and having a first heat exchange chamber along a first branch and a second heat exchange chambers along a second branch, a temperature measuri...  
WO/2022/028823A1
The present invention relates to a method for simultaneously injecting a fuel gas and an oxygen-rich gas into a unit by means of a burner (1), which comprises: - a primary nozzle (2) for injecting the oxygen-rich gas, which primary nozzl...  
WO/2022/028728A1
Electromagnetic agitation device and control method of electromagnetic agitation device for melting furnace of metallic material, in which the electromagnetic agitation device includes series of elements of generation of the force field ...  
WO/2022/017693A1
The invention relates to a method for producing a steel strip (1), in which method a) a steel melt (2) is first produced by starting material (3) being heated in at least one furnace (4), b) the steel melt (2) is then fed to a casting de...  
WO/2021/250032A1
The present invention relates to blast lances for gas blowing in metallurgical processes, the blast lance comprising a cylindrical lance core and a refractory casing, wherein the said refractory casing comprises n + 1 refractory tubular ...  
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/2021/229468A1
A burner (1) for the firing of ceramic articles (T) which can be installed in an industrial kiln (2) and comprising a mixing body (5), a first tubular discharge element (11), which is configured to be passed through by a fluid (F) flowin...  
WO/2021/222952A1
A collecting pit (11) for receiving molten metal and cooling water has a drainage system made up of granular bulk material, wherein chambers are provided for receiving the molten metal. These chambers have a boundary in the floor region ...  
WO/2021/219952A1
The invention relates to a facility 1 for melting a batch of raw materials, suitable for obtaining glass wool, glass textile yarns and/or flat glass, said facility comprising a melting chamber 2 equipped with at least one submerged burne...  
WO/2021/222505A1
A scrap submergence device for mixing molten metal in a furnace may include an upper structure, a shaft extending down from the upper structure, and an impeller at a lower end of the shaft. The impeller may include a plurality of blades ...  
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/2021/189133A1
Apparatus for converting Spent Pot Lining (SPL) into inert slag, aluminum fluoride and energy includes a plasma arc furnace such that the destruction of SPL occurs therein. The furnace generates an electric arc within the waste, which ar...  
WO/2021/188397A1
Magnetic field components are measured at multiple longitudinal positions and used to calculate estimated longitudinal position and length of a transversely localized electric current segment flowing across a gap between conductive bodie...  
WO/2021/176995A1
This three-phase alternating current arc furnace for melting solid metal raw materials with an arc, said furnace comprising: a furnace body in which a solid metal raw material is charged and which has a cylindrical upper furnace shell an...  
WO/2021/174241A1
A pump system for a metal furnace includes a tank and a magnetic stirrer. The tank includes a tank chamber that is configured to receive a fluid, such as a molten material. The tank is positioned above magnetic stirrer and such that the ...  
WO/2021/161355A1
Electric power supply apparatus for a user device, in particular for steel industry applications, comprising means for connection to an electricity grid (11) for supplying a mains voltage and a mains current, and at least one electric li...  
WO/2021/144637A1
A process and plant for preheating a metal charge (11) fed in continuous to an electric melting furnace (12) through a preheating tunnel (16) provided with side walls, a vault and horizontal conveyor (13), wherein said metal charge (11) ...  
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/2021/130845A1
The present invention includes: a furnace chamber (12) that is formed so as to penetrate from the inlet (12a) to the outlet (12b) of a sintering furnace (10); a roller (13) that conveys an object to be sintered from the inlet (12a) to th...  
WO/2021/131089A1
The present invention is provided with: an electric furnace for melting scrap materials; a post-burning device for causing unburnt components included in an exhaust gas discharged from the electric furnace to be burnt; a cooling device f...  
WO/2021/127544A1
A temperature sensor including a sapphire optical fiber and a nanoporous cladding layer covering at least a portion of the sapphire optical fiber.  
WO/2021/123133A1
The invention relates to a cooling plate (1) for a metallurgical furnace, comprising a cooling plate body (10) having with a front face (11) for facing the inside of the metallurgical furnace, an opposite rear face (12) and at least one ...  
WO/2021/116969A1
The invention relates to a melting furnace (2), in particular an electric arc furnace, for the production of steel or cast iron via melting metal loads (28), in particular of direct reduced iron and/or scrap (28), comprising: a bottom (4...  
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/2021/099598A1
Disclosed is a single-chamber furnace for fuming an evaporable metal or metal compound from a metallurgical charge comprising a bath furnace for containing a molten charge up to a determined level, the furnace being equipped with a non-t...  
WO/2021/095731A1
Provided is a metal melting device (10) with which it is possible to obtain pure molten metal containing few oxides even when a scrap material and a new material are supplied in a mixed or independent manner. The aforementioned problem...  
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/2021/094638A1
The invention relates to an oven (1) comprising a receptacle (2) of refractory material, which comprises two concave pieces (3, 4) connected by the edges (5) thereof using a refractory binder (6), the pieces (3, 4) comprising a recess (7...  
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/2021/068654A1
A furnace hearth temperature monitoring and alarming apparatus for a reverberatory furnace, comprising a furnace body (1) and a housing (3) mounted on the outer side wall of the furnace body (1). A housing side cavity (22) is provided on...  
WO/2021/064055A1
The present invention relates to a method for smelting metal- and metal oxide containing wastes and side streams, such as slags, dust, scales and sludges genereated in stainless steel and ferrochrome manufacturing processes. The invented...  
WO/2021/061469A1
A measurement system is provided for predicting a future status of a refractory lining that is lined over an inner surface of an outer wall of a metallurgical vessel and exposed to a heat during which the refractory lining is exposed to ...  
WO/2021/053701A1
Method for electromagnetic stirring of liquid metal in a continuous charge electric arc furnace (10), in which there are positioned a first electromagnetic field along a first axis of electromagnetic stirring (XI) and a second electromag...  
WO/2021/049125A1
In the present invention, molten iron is produced in an electric furnace at low cost and with high efficiency in terms of energy utilization. Provided is a method of obtaining molten iron m in which, in an electric furnace in which a sha...  
WO/2021/046236A1
One or more embodiments of a burner panel for a metallurgical furnace is described herein. The burner panel has a body having a top surface, a bottom surface, a left surface, a right surface, and a front surface surrounding an interior b...  
WO/2021/028267A1
The invention relates to a method for maintenance of a cooling assembly (1) for a metallurgical furnace, the cooling assembly (1) comprising * a cooling plate (2) disposed inside of a furnace shell (20) of the metallurgical furnace; * a ...  

Matches 1 - 50 out of 7,640