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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...
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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...
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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...
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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...
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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 ...
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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...
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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) ...
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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...
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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...
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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...
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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.
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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),...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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WO/2021/015210A1 |
[Problem] To provide a metal raw material melting device which can be easily incorporated into a holding furnace, can be used safely, and can melt a metal raw material quickly and efficiently. [Solution] A metal raw material melting devi...
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WO/2021/005566A1 |
A process for producing metal aluminum, and optionally other metals, starting from aluminum compounds containing oxygen and possibly other metals, by means of a chemical reduction reaction of the aluminum carried out in a reaction chambe...
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WO/2021/006968A1 |
A sealing assembly for installation sealing between upper and lower hearths of a reflow oven, the sealing assembly comprising a sealing strip and a mounting seat, the mounting seat being disposed at the bottom of the sealing strip. The m...
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WO/2020/255475A1 |
This electrolytic smelting furnace is provided with: a plurality of electrolytic furnaces aligned vertically; connecting pipes that extend vertically and allow the bottom surface of an upper electrolytic furnace to communicate with a low...
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WO/2020/255468A1 |
This electrolytic smelting system (100) is provided with: an electrolytic smelting furnace (1) having a furnace body (10) in which a molten ore (Wm) is introduced, a negative electrode substrate (11) provided on the bottom part (10B) ins...
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WO/2020/255465A1 |
The present invention comprises: a furnace into which iron ore is introduced; a furnace floor electrode provided on the furnace floor inside the furnace; and a plurality of upper electrodes that are provided above the furnace floor elect...
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WO/2020/251491A2 |
This invention is related to direct current furnace systems employed in production of iron & steel, low carbon ferro chrome, high carbon ferro chrome, ferro manganese, pig iron, ferrosilicon, silicium metal, other ferro alloys and non-fe...
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WO/2020/243812A1 |
A consumable electrode vacuum arc furnace and, more particularly, a direct current consumable electrode vacuum arc furnace is provided, wherein no water cooling is needed to cool down typically neither the electrodes, nor any other parts...
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WO/2020/235579A1 |
Provided is a melting furnace that minimizes oxidation of molten material and with which it is possible to improve the quality of a molten material. As shown in fig. 3, this melting furnace 1 is provided with: a melting part 2 to which a...
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WO/2020/212688A1 |
A system for melting materials during the production of a glass or ceramic material is disclosed. A method for melting materials during the production o fa glass or ceramic material is also disclosed. The system comprises a melt tank hav...
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WO/2020/211689A1 |
Disclosed is a smelting method and smelting device for processing an iron-based polymetallic mineral using a short process. The smelting system used in the smelting method includes a bath smelting device. A dividing wall (30) is provided...
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WO/2020/182404A1 |
The invention relates to an apparatus (5) for cooling and/or cleaning a process gas leaving a converter (2), having at least one evaporation cooling unit (8) and at least one waste heat boiler (10) downstream thereof in the direction of ...
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WO/2020/182328A1 |
The invention relates to a metallurgic furnace, in particular a metallurgic furnace for receiving a molten metal.
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WO/2020/170849A1 |
This method for predicting operating results is a method for predicting operating results for an industrial process from a plurality of operating conditions of an industrial process. The method includes: a model selection step in which, ...
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WO/2020/163889A1 |
The invention relates to a melting furnace (1) and a method for melting and/or controlling the temperature of metal melt (3). The melting furnace (1) according to the invention comprises a furnace housing (4) having a foundation (5) and ...
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WO/2020/120771A1 |
A method for protecting an inner wall (12) of a shaft furnace, the method comprising the steps of: providing at least one injection device (28) through the inner wall (12) of the shaft furnace, the injection device (28) being configured ...
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WO/2020/118308A1 |
Embodiments include a manifold for a desulfurization lance in the manufacture of steel, the manifold including a body extending from a first end to a second end, the first end including an inlet adapted to fluidly connect with a carrier ...
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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...
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WO/2020/109941A1 |
This invention relates to a lining and cooling arrangement for a metallurgical furnace. The arrangement includes a layer of refractory bricks located adjacent a furnace shell of the furnace, the layer of refractory bricks having a hot si...
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WO/2020/104903A1 |
A method of operation for a slag door component cooling system includes coupling a cooling element with a component of a slag door of a metallurgical furnace. The method additionally includes generating a flow of at least one of gas or m...
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WO/2020/099910A1 |
The invention proposes a furnace (1 ) for the production of ferrochromium alloys, including: a base (10), and side walls (11) defining an internal basin (12), a base surface (10a) inside the basin (12), an external lateral surface (11a),...
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WO/2020/101359A1 |
The present invention relates to a molten material treatment method and a molten material treatment apparatus used therefor, the molten material treatment method comprising the steps of: charging a receptacle, which has an open top part,...
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WO/2020/096157A1 |
The present invention relates to a device for controlling the end position of an oxygen lance in an electric furnace and, specifically, comprises: an oxygen lance; a lance driving part vertically driven so that the end of the oxygen lanc...
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WO/2020/091975A1 |
An apparatus is disclosed for a spray-cooled roof of a tilting metallurgical furnace having a drain pump. The spray-cooled roof has a hollow metal roof section. The hollow metal roof section has an outer metal covering member, an inner m...
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