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JP2000180072A |
To provide a plasma melting furnace body for reducing the amount of consumption of a cathode for performing plasma arc discharge.A plasma melting furnace body 10 is provided with a furnace lid part 110 with a cathode 50 for performing pl...
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JP2000180067A |
To obtain an uniform alloy and to add a solid or molten into a molten by holding a molten being inserted additionally into a molten and an additional insertion material of different kind of material movably up and down above a metal cruc...
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JP2000171157A |
To avoid the breakage of an insulating tube which generates a plasma flame by preventing the adhesion of contaminants to the tube during shutdowns.An inductively coupled plasma heating furnace generates high-frequency plasma by introduci...
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JP2000174028A |
To shorten the processing time required for heat treatment without impairing safety.Air in an N2 purge chamber 2 adjacent to a process tube 1 is replaced with N2, to reduce the concentration of oxygen to a specified low value. With a pro...
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JP2000169124A |
To provide a graphitizing electric furnace in which graphitizing zone can be uniformly heated to an elevated temp. by providing the furnace with, only necessary minimum pairs of electrodes.A furnace main body 1 has a carbon powder feedin...
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JP2000164345A |
To provide a melting device efficiently melting a object in a furnace.A flange 17 inserted with a DC plasma torch 16 is fitted to the flange 13 of a cylinder tube 11 forming a high-frequency induction thermal plasma torch. The DC voltage...
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JP2000161867A |
To enhance heating density while reducing leakage field at a position remote from a melting furnace by providing a melting furnace incorporating an AC field generating coil for generating an eddy current and a heater generating heat with...
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JP2000155017A |
To always measure an electrode tip position precisely by finding a phase difference between a measured power source voltage waveform and a vibration waveform measured in a specific position and based on an arc generated in the electrode ...
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JP3049868B2 |
PURPOSE: To prevent the occurrence of an impact at the instant of the re-holding of electrodes or the extracting of a nipple in connecting the electrodes by load- detecting that the weight of the electrodes is supported by an electrode c...
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JP3049201B2 |
To plan a scheduled maintenance of an anode block and an extension of life by uncovering top portions of damaged anode pins, grafting new anode pins onto the damaged pins by locating the pins by means of a grid-like iron flame and fillin...
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JP3045949B2 |
PURPOSE: To obtain a graphite electrode for electric steel manufacturing arc furnace which is of a low cost, has an effect to an oxidation consumption countermeasure, and contributes for reducing the power source unit. CONSTITUTION: As t...
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JP3047056B2 |
PURPOSE: To make the quantity of a fusible fusion metal larger than the volume of a crucible and continuously levitation-fuse high-melting point small metal pieces in particular. CONSTITUTION: A conducting crucible 13 constituted of segm...
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JP3044598B2 |
PURPOSE: To hold the degree of superheat at a temperature suitable for casting by holding a molten metal in a melting crucible in a suitable state. CONSTITUTION: A material 22 charged in a melting crucible 12 is induction heated by a hig...
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JP2000505961A |
A furnace (1) for Rapid Thermal Processing of a wafer (7), characterized in that the wafer (7) is heated by lamps (9), and the heat radiation is reflected by an optical switching device (15,17) which is in the reflecting state during the...
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JP2000130960A |
To improve the durability of a multi contact-pin furnace bottom electrode, and to extend a life by providing a plurality of conductive contact pins that pass through a support substrate, an unshaped or monolithic refractory, and an elect...
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JP2000128517A |
To produce high quality graphite powder with good productivity and good energy efficiency. In this graphitizing electric furnace, carbon powder is graphitized by supplying an electric current on the electrodes oppositely arranged in a fu...
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JP2000121254A |
To provide a structure for fixing a holder for supporting an electric heater to a side wall of a furnace in which the holder for the electric heater can be positively fixed to the side wall of the furnace without being influenced by an a...
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JP3037354B2 |
A furnace for the electrothermal atomisation of samples in atomic absorption spectroscopy comprises a tubular, electrically conducting furnace body (74) and an inner body (76) formed onto the furnace body and held at a distance from the ...
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JP3032454B2 |
To drastically increase the using ratio of combustion energy of a carbonaceous material and the heat efficiency, and also, to prevent the oxidation of an electrode and the increase of iron oxide quantity in slag, at the time of melting i...
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JP3030927B2 |
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JP2000091249A |
To reduce the size of a heating facility and, in addition, the expenses incurred in connection with the heating facility and gas supply, by providing a gas supply means which is provided to at least the wall of a reactor and has a plural...
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JP3027082B2 |
PURPOSE: To facilitate production of a high-frequency power source, to prevent generation of stripe patterns by resonance and to eliminate the potential difference in the progressing direction of a sheet. CONSTITUTION: An induction coil ...
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JP3027287B2 |
PURPOSE: To enable satisfactorily disposing of even such material for melting as material containing unburnt carbon in a large quantity by melting without lowering the capacity of disposal relating to disposal of material for melting suc...
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JP3025354B2 |
PURPOSE: To heat metallic blocks with high-frequency induction while fluidizing blocks in low power consumption. CONSTITUTION: A metal-made cylindrical body 11 forming plural slits 16 radiately extending along a radial direction and sett...
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JP2603842Y2 |
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JP2000074574A |
To suppress product unit requirement without lowering quality of a metal material such as billet or the like by directly heating the metal material to a temperature as high as possible by a combustion gas of a burner furnace without prod...
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JP2000074568A |
To facilitate vacuum degassing effect of a molten metal by increasing agitation force of a molten metal by lowering operation frequency of an induction coil while a treatment for removing impurities is carried out. A matter to be melted ...
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JP2000077180A |
To stabilize operation of a three-phase alternating current electric furnace, by eliminating frequent interruption of the operation by a vacuum breaker actuated by disturbance caused by the fall of fused materials or the like. In this th...
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JP2000074353A |
To provide an ash processing melting furnace and its operation method in which maintenance work for removal of melts fixedly deposited on a lower electrode is eliminated, with good slag quality and with the low running cost. There are pr...
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JP3017166B2 |
An induction furnace apparatus and method for reducing the magnetic field produced by the operation of the furnace. The induction furnace (10) includes a refractory vessel (12), an induction coil (14) and an outer shell (16) having a lay...
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JP3015806B2 |
The resistive elements are made up of strips of carbon/carbon composite material that are interconnected by connection pieces that are likewise made of carbon/carbon composite material and that serve both for making electrical connection...
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JP2000065333A |
To provide an ash melting furnace apparatus in which it has a very simple structure at a low cost and has a less occupation area as a furnace, and it can realize higher melting processing efficiency per unit time. There are provided an u...
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JP2000061957A |
To completely eliminate remnant of a low melting point metal, which forms the low melting point metal core in the hollow part of a plastic molding, onto the inner wall surface of the hollow part of the plastic molding. The low melting po...
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JP2000061955A |
To realize the efficient liquation of a low melting point metal core in the hollow part of a plastic molding, and completely eliminate remnant of a metal, from which the low melting point metal core is made, onto the inner wall surface o...
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JP2000055567A |
To provide a device neither requiring any electrical conductive layer nor electrical conductor. An induction heating device in stalled within a vacuum container 6 for performing an induction heating of material 3 to be heated by energizi...
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JP2000039118A |
To achieve intentionally easier withdrawal of a CO gas generated from a granule layer during the reduction melting by enabling charging of a granular material during the operation as well to realize submerged arc electric melting which a...
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JP2000036371A |
To prevent early degradation and diffusion of the oxygen in a core part so as to restrict oxidization by including a ceramic resistance heating part including the sintered mixture of silicon carbide grains, dopant grains and mineral grai...
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JP2000026158A |
To obtain a material having a low coefft. of thermal expansion and suitable for a heat generating support by mixing a mineral powder contg. a specified amt. of Li2O, a clay contg. a specified amt. of Al2O3 and a low viscosity refractory ...
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JP3002356B2 |
PURPOSE:To align a new electrode and a working electrode reliably in a short time in a simple structure by remote control without requiring a complicated tilting driving device and a high-degree control system or a position detecting sys...
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JP3002769B2 |
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JP3001193B2 |
To suppress LF electrode consumption and prevent possible steam explosion. After a ladle is transported from the position under a carbon electrode 15 on completion of metal refining, a cooling water receiving member 24 is positioned unde...
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JP3001164B2 |
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JP2000018527A |
To prevent the leakage of gas and permit the specifying of a factor for the pressure fluctuation of gas. A plasma melting furnace is constituted of a plasma electrode 2, provided in the upper part of a furnace main body so as to penetrat...
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JP3000080B1 |
[wrap up] [Task] The conventional water-cooled electrode for vacuum has a drawback that the electrical insulation of the water-cooled pipe with respect to the vacuum furnace having the feeding electrode main body of the resistance heatin...
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JP3000053B2 |
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JP3000028B2 |
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JP2998445B2 |
PURPOSE: To perform rapid connection and disconnection between terminal pairs without making direct contact with a terminal by a method wherein a clamp device to clamp together the terminal on the coil side of a cable and a coil terminal...
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JP2000500269A |
During a heating process in a three-phase, electric furnace, power can be controlled by dividing the heating process into intervals and then controlling the average power generated during each of these intervals, and by individually cont...
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JP2994475B2 |
The metallurgical vessel, such as a direct-current arc furnace, comprises a metal housing (1) lined on its inside with refractory material (2), at least one electrode (3) passing through the bottom of the vessel and connected to a termin...
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JPH11351762A |
To prolong lifetime of an electrode by dispersing a part of current flowing through the pin of a furnace bottom electrode to an electrode block thereby reducing heat generation rate of the electrode pin. The furnace bottom electrode comp...
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