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JP2022189065A |
To provide a DC electric furnace capable of performing flexible arc control at a low equipment cost, and a solid raw material melting method using the same.A DC electric furnace includes at least a pair of DC magnetic field generation de...
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JP7194205B2 |
To easily prevent a rotary hearth from colliding with an inner peripheral side wall and an outer peripheral side wall when the ring-shaped rotary hearth provided between the inner peripheral side wall and the outer peripheral side wall o...
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JP7174467B1 |
The melting furnace of the present invention includes a preheating tower (12) with a preheating chamber (12b) therein, a melting chamber (14), a combustion chamber (16) and a combustion burner (18). An exhaust gas branch pipe (20) that c...
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JP7173649B1 |
An object of the present invention is to eliminate measurement errors due to the outer shape of a union melted down together with a metal pipe, and to accurately measure the length of a carbon electrode. A plurality of metal pipes are ma...
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JP7173658B2 |
The present invention belongs to the technical field of metallurgy, and discloses a horizontal continuous feeding preheating device and an enhanced preheating method therefor. The scheme comprises that two dust removal ports are arranged...
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JP7169282B2 |
An electrically boosted refractory melting vessel including a back wall, a first side wall, a second side wall, a front wall and a bottom wall, the melting vessel comprising a longitudinal center line extending from the back wall to the ...
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JP7167573B2 |
To provide a supply amount controlling method capable of supplying mineral concentrate stably to a mineral concentrate burner of a self fluxing by a transport device.There is provided a method for controlling amount of mineral concentrat...
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JP7161249B1 |
A heating apparatus and an aluminum processing chamber capable of reducing the possibility of electric leakage due to molten aluminum due to aged deterioration are provided. A heating device (100) according to the present invention is a ...
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JP7160787B2 |
To provide a heat treatment furnace, without causing the enlargement of an elevation driving part in a two-stage elevator and the increase of cost, capable of simultaneously mounting an upper workpiece and a lower workpiece on an upper c...
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JP2022146356A |
To provide an electrode seal device having sufficient seal performance while being a simple constitution and, upon the operation of an electric furnace or an LF, capable of suppressing the intrusion of the ambient air from the outside of...
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JP2022146594A |
To provide a repair structure and a repair method for an electric furnace tap hole brick by which a repair material for a tap hole brick is hard to peel.A repair structure 2 comprises: an iron pipe 21 arranged so as to face an inner circ...
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JP2022145163A |
To provide a metal melting furnace capable of efficiently cooling a furnace side wall.A metal melting furnace is used for melting the object to be melted comprising a metal component(s) and comprises: an internal space storing the object...
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JP7144484B2 |
To provide a glass melting furnace and an operation method of glass melting furnace such that thermal compensation is achieved over a wide range for any structure and any size in a furnace to improve productivity and also reduce energy c...
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JP7137226B2 |
Multiple magnetic field sensors are arranged around a current-containing volume at multiple longitudinal and circumferential positions. Each sensor measures multiple magnetic field components and is characterized by one or more calibrati...
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JP7137336B2 |
To provide a flash furnace capable of suppressing effectively a slug loss without enlarging greatly the size of a settler.In a flash furnace for separating, into matte and slug, a high temperature melt generated by reacting a mineral con...
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JP7130909B2 |
A sealed feeder device utilized in an electric arc furnace (1), and a flue gas and temperature control method. The sealed feeder device comprises a sealed feeding chute (5) having an outlet sealedly communicating with a side wall of the ...
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JP2022125858A |
To provide a metal melting device, when a metallic material is melted by an arc discharge from an electrode, capable of estimating the position of the tip of the electrode at high precision from a time in which the melting of the metalli...
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JP7126081B1 |
To ensure a stable supply of a cold iron source to a melting chamber. An electric furnace comprising a preheating chamber, a melting chamber, an extruder provided in the preheating chamber, and a video device for observing the interior o...
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JP7124588B2 |
To provide a method for smelting an oxide ore capable of improving a grade of a resulting metal and efficiently producing a high quality metal.A method for smelting an oxide ore comprises: a mixing step of mixing the oxide ore and a carb...
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JP2022121804A |
To provide a material charge device capable of preventing noises upon material charge and the contamination of a working environment by a simple constitution, an electric furnace device using the same and a material charge method.A mater...
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JP2022114695A |
To provide a method for accurately and efficiently taking out a reduced material produced by reduction treatment from a reduction furnace, and preventing quality deterioration in the obtained metal.A method for smelting a nickel oxide or...
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JP2022114653A |
To provide a technique for manufacturing ferronickel by heating and reducing a mixture containing a nickel oxide ore in a reduction furnace, which can accurately and efficiently charge the mixture into the reduction furnace and take out ...
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JP7112302B2 |
To decrease a temperature of exhaust gas, and reduce a fuel consumption of a melting burner.A melting holding furnace comprises a melting chamber 4 in which a metal material 2 is melted by first heating units 24 and 25 to form a molten m...
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JP7112303B2 |
To decrease a temperature of exhaust gas, and reduce a fuel consumption of a melting burner.A melting holding furnace comprises: a melting chamber 4 in which a charged metal material 2 is melted by first heating units 24 and 25 to form a...
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JP7109921B2 |
To provide a heater tube that can efficiently transmit thermal energy of combustion gas to molten metal by making the convection time of combustion gas in a heater tube longer than that in the past.The heater tube 100 is immersed in the ...
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JP7107336B2 |
To provide a method for melting a cold iron source in an electric furnace and manufacturing a molten iron which manufactures a molten iron in an electric power consumption rate lower than a conventional method without using a special fac...
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JP7107337B2 |
To provide a method for melting a cold iron source in an electric furnace and manufacturing a molten iron which manufactures a molten iron in an electric power consumption rate lower than a conventional method without using a special fac...
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JP7106537B2 |
There is provided a control system for a furnace. The control system comprises a thermal imaging camera and a control unit. The thermal imaging camera is configured to receive thermal radiation from a plurality of positions in a furnace ...
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JP7102084B2 |
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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JP2022531149A |
The present invention relates to a device for welding cylindrical sections of a casing. The device comprises a clamp ring configured to surround and attach a section of the casing, as well as a robot with a weld gun and at least one join...
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JP7095470B2 |
To manufacture a titanium ingot or titanium alloy ingot having a LDI reduced up to a level required for, for example, an airplane material.Molten metal 51 including the melt of a titanium containing raw material 50 is refined using a hea...
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JP2022077731A |
To provide a melting facility capable of pre-heating a metal raw material at high efficiency even using a horizontal pre-heating tunnel easy in installation by modifying an existing melting furnace.A melting facility 10 for melting a met...
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JP7069049B2 |
An arc furnace bottom construction for maintaining the outer surface temperature of the bottom construction essentially at least on the lower part of the arc furnace essentially close to the temperature surrounding the arc furnace. The b...
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JP7062989B2 |
To provide a heating furnace which can heat a metal material in different temperature regions and can achieve uniformity of a high heat state even in a low temperature region, and a method for heating a metal material.A heating furnace 1...
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JP7060506B2 |
The efficiency and output of glass furnace operation employing thermochemical regeneration is improved by controlling operation conditions over the feeding zone to reduce the difference between the temperature at the furnace crown within...
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JP7056963B2 |
Methods of manufacturing a current collector assembly may include iteratively solving a model on a computer. The model may utilize received inputs including a variable number and arrangement of conductive elements to determine as an outp...
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JP7046922B2 |
A molten metal scrap submergence system comprising a furnace and a vortexing scrap submergence well. The vortexing scrap submergence well includes a diverter suspended above the well and oriented for immersion in a bath of molten metal c...
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JP7042850B2 |
An enclosure of a steel-making furnace system, comprising a support structure comprising a frame that defines an interior, a supply line for supplying a cooling liquid from a reservoir, a return line fluidly coupled to the supply line an...
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JP7040859B2 |
To provide a slag discharge hole structure allowing stable discharge of molten slag even when viscosity of the molten slag varies due to operation conditions or the like, and a slag discharge method.A slag discharge hole structure 2 of t...
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JP7037419B2 |
To provide a metal refining furnace having a constitution capable of expanding the retaining volume of molten metal in a furnace without changing the size of the outline in a furnace body, and an operation method in which the ensuring of...
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JP7035687B2 |
To provide a manufacturing method of reduced iron capable of enhancing metallization efficiency by suppressing reoxidation of the reduced iron obtained by a rotary hearth furnace, and a rotary hearth furnace used therefor.There are provi...
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JP7035688B2 |
To provide a manufacturing method of reduced iron capable of manufacturing the reduced iron using a rotary hearth furnace with excellent cost property and good efficiency, and a rotary hearth furnace.There are provided a manufacturing me...
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JP7035885B2 |
To provide a titanium ingot or a titanium alloy ingot of excellent quality with less LDI (Low Density Inclusion).A manufacturing method of a titanium alloy ingot 52 includes: a raw material supply process of supplying a raw material 50; ...
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JP2022518300A |
The lift plug for lifting the graphite electrode includes a body and an insert coupled to one end of the body, the insert being configured to fit into the graphite electrode to secure the lift plug to the graphite electrode. The lift plu...
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JP7026693B2 |
A furnace assembly (1) for a metal-making process, comprising: an electric arc furnace (3) configured for flat bath operation and having a bottom (3a), and an electromagnetic stirrer (5) configured to be arranged underneath the bottom (3...
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JP7025720B2 |
Provided is a manufacturing method for a glass article, including: a glass melting step of continuously melting glass raw materials (Gr) in a glass melting furnace (1) by heating (electric heating) through application of a current with a...
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JP2022030284A |
To provide a hearth capable of suppressing the generation of cracks in the outer surface of a molten metal pouring port in the operation of an electron beam type melting furnace.A hearth 100 in an electron beam type melting furnace compr...
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JP7022816B2 |
The present invention relates to an aluminum melting furnace comprising: a heating chamber having a heating unit for heating molten aluminum; and a melting chamber having a raw material supply unit for putting aluminum scrap into the mol...
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JP7011862B1 |
To provide a molten metal mixing system for producing a homogeneous molten metal containing no oxide (or a small amount of oxide mixed). A first melting device 10 for manufacturing a first molten metal, a second melting device 1 for manu...
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JP7006807B2 |
Molten iron is produced in an electric furnace with high energy utilization efficiency at a low cost. In an electric furnace in which a shaft-type preheating chamber 2 is provided on and continuously with a melting chamber 1 and used to ...
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