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JP6030043B2 |
To provide a power supply for a high-voltage pulse sterilizer, suitable for industrial mass production implementation.The power supply includes: a high-frequency oscillator which generates reference high-frequency signals; a rectifier wh...
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JP6002823B1 |
[Subject] By supplying electric power to an electric arc furnace, a device and a method of adjusting fusion electric power of an electric arc furnace efficiently are realized. [Means for Solution] By having at least one electrode 62, and...
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JP5977080B2 |
To provide an apparatus for melting a metal material, which has a relatively simple structure, is capable of readily stirring the metal material and can be downsized, and to provide a method for melting the metal material.An apparatus ha...
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JP5963623B2 |
To provide an arc furnace electrode lifting device for shortening operation time and reducing power costs.An arc furnace electrode lifting device comprises: an arc current setting unit; an electrode migration distance setting unit for se...
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JP5947310B2 |
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JP5920218B2 |
The objective of the present invention is to provide a glass with a high bubble quality having less bubbles. The present invention relates to a method for melting glass material in which glass material particles produced by granulating a...
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JP5912976B2 |
To provide a device for controlling lifting of electrodes of an arc furnace capable of preventing generation of splash.A device 8 for controlling lifting of electrodes of an arc furnace is used for an arc furnace melting a processed obje...
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JP2016015226A |
To provide a breakage electrode extractor capable of taking out of a furnace a breakage electrode made of carbon, the tip side of which is bent carelessly and dropped in the furnace during operation of an arc furnace, safely in a short t...
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JP5824521B2 |
A method and a device for closed-loop control of an electrode gap in a vacuum arc furnace subjects an electrode gap of a melting electrode from the surface of a melt material to closed-loop control as a function of a droplet short-circui...
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JP5808669B2 |
A device (10) for adjusting the locking point of the electrode of a smelting furnace includes a vice (120) for supporting said electrode and supplying it with power. A structure (13) is coupled with the vice (120), supports the electrode...
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JP5777881B2 |
The present invention provides a method of manufacturing a vitreous silica crucible by heating and fusing a silica powder layer in a rotating mold by arc discharge generated by carbon electrodes comprising: a preparation process for dete...
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JP5777880B2 |
The present invention provides a method of manufacturing a vitreous silica crucible including: a silica powder supplying process of supplying a material silica powder into a mold for molding a crucible, to form a silica powder layer, and...
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JP5772320B2 |
To provide an indication lamp control device of an arc furnace capable of lighting an arc indication lamp of an operation panel in sufficient brightness even if a tap voltage is low.The indication lamp control device includes: a furnace ...
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JP5762335B2 |
To provide a dezincing apparatus which can cope with an increase in throughput and can realize uniform heating irrespectively of the properties of a galvanized steel sheet.A dezincing apparatus is provided with: a heating vessel 10 in a ...
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JP2015520477A |
An electrode case used to make a self-firing electrode to be consumed in a reduction arc furnace, and an electrode made from it are described. The electrode case includes an outer sleeve and a plurality of fins. The outer sleeve may be d...
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JP5742400B2 |
To provide an electrode lifting device of an AC arc furnace which is capable of substantially reducing arc stops generated during an operation, shortening the operation time, and reducing a power cost.This electrode lifting device includ...
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JP5735533B2 |
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JP5726103B2 |
To provide a determining apparatus of a melting state in an arc furnace that reliably determines the completion of melting scrap to shift process to the next step without waste of electricity consumption or the like.The apparatus include...
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JP5700506B2 |
To provide arc melting equipment capable of thermally efficiently melting an iron source and controlling the supply of the iron source from a preheating chamber to a melting chamber, and to provide a method of operating a molten metal us...
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JP2015048530A |
To provide a method of heat treatment, e.g. hardening a metal piece surface layer by driving an arc with an AC magnetic field, which magnetic-drives a thin arc stably and enables quick chilling of the metal material piece after the heati...
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JP5683725B2 |
The present invention relates to a method and device for controlling a melting and refining process in an electric arc furnace for melting a metal, wherein the electric arc furnace comprises molten and solid metal and, a slag layer on th...
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JP5656400B2 |
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JP5620030B2 |
Disclosed is a control system for a melting process in an electric arc furnace for melting a metallic material that minimizes desired process properties such as the melting time or the total power consumption of the melting process. The ...
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JP5594972B2 |
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JP5581124B2 |
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JP2014134333A |
To provide a water plasma flame generation method capable of being easily provided as a large-scale versatile heat source.A heating part water plasma flame generation method comprises generating water plasma flame by making water vapor p...
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JP5555921B2 |
To provide a method for operating an electric furnace with which an effective operation can be applied by adjusting a fluidity of slag with a simpler method than the conventional one.In the method for operating the electric furnace 10 en...
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JP5556802B2 |
A ceramic electrode for a gliding electric arc system. The ceramic electrode includes a ceramic fin defining a spine, a heel, and a tip. A discharge edge of the ceramic fin defines a diverging profile approximately from the heel of the c...
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JP5535775B2 |
To provide a power input control method for an arc furnace for steel manufacture which can adequately determine input electric energy required for one charge based on the mass balance and the heat balance between substances entering the ...
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JP5535328B2 |
A connection piece for connecting graphite electrodes contains at least one region made of graphite and at least one region made of carbon-fiber-reinforced carbon. The graphite contains less than 10 mass-% of fibers and the carbon-fiber-...
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JP5530819B2 |
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JP5521116B2 |
The method involves attaching a radar transmitting/receiving device (22) to a waveguide (20) by a transverse waveguide connecting device (21), where the waveguide is arranged at an electrode (14) and extends in an erosion direction (19) ...
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JP5520940B2 |
A sealing device is arranged around a rod electrode extending vertically through an aperture made in the ceiling of an arc furnace and being vertically movable inside the furnace to prevent the access of gases from the furnace through th...
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JP5475143B2 |
Bottom electrode or anode for continuous direct current arc furnaces, provided with a cooling system which allows to improve the effectiveness of the cooling action of the bottom electrode, made in the shape of bimetallic billet, for the...
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JP5468784B2 |
A substrate heating apparatus having a conductive heater which heats a substrate includes a filament arranged in the conductive heater and connected to a filament power supply to generate thermoelectrons, and an acceleration power supply...
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JP5408417B2 |
To provide a method for operating an electric furnace for smelting a ferro-nickel, in which a refractory in the electric furnace can be protected while the heat-loading onto the furnace body is kept constant and the coating-thickness is ...
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JP5406645B2 |
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JP5408614B2 |
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JP5388872B2 |
A carbon electrode grinding apparatus for shaping a front end of an arc discharge carbon electrode is provided with front end grinding blades configured to grind a front end surface of the carbon electrode, lateral surface grinding blade...
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JP5344423B2 |
A method of manufacturing a carbon electrode for melting an obj ect to be melted by arc discharge, includes: a rubbing step of rubbing the surface of the carbon electrode before power is supplied with a rubbing material of the same type ...
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JP5343421B2 |
To provide an electrode lifting/lowering device of an arc furnace for steel making capable of changing over a dead zone width to a proper value according to a status of the furnace, and improving efficiency in furnace operation and the a...
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JP5322358B2 |
The aim of the invention is to provide an economical and homogenous thermal treatment for substrate. To this end, the inventive device and method for thermally treating substrates, especially semiconductor wafers, comprise at least one h...
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JP3186554U |
A graphite electrode exhibits oxidation resistance by modifying the outer radial surface characteristics. The outer radial surface may be modified by providing a textured portion which improves water flow while minimizing water absorbtio...
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JP5309175B2 |
To provide a compact plasma torch device which can improve a life of the device by facilitating adjustment of a plasma jet and suppressing wear of an electrode part.The plasma torch device includes a device body part 10 including a first...
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JP5282120B2 |
A nanopowder synthesis system having an autofuser device which obviates the need for external power switches, and which accommodates repeated discharges (of the order of 107) between ablating electrodes of precursor material at a high re...
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JP5277832B2 |
To provide a method of manufacturing a laminated body by which a metal oxide film excellent in thickness precision is formed and a pattern-shaped metal oxide film is easily formed. The method of manufacturing the laminated body includes:...
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JP5253774B2 |
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JP2013521625A |
The invention relates to an electrode support arm system for metallurgical furnaces, having an electrode arm (1) having an electrode support arm head (13) implemented as an electrode support device at the front part thereof, designed as ...
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JP2013091063A |
To provide an apparatus for synthesizing nanopowder.The apparatus includes: a reaction chamber having a gaseous atmosphere and a pair of ablative electrodes with at least one of which being a precursor material for producing nanopowder; ...
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JP5186764B2 |
A flash light emitting device that irradiates flash light to a work piece, comprises a first flash light discharge lamp and a second flash light discharge lamp. In the flash light emitting device, a time width of a second flash light dis...
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