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JP3176991B2 |
PURPOSE: To safely and surely connect a new electrode by providing a clamp energized by a spring in a case. CONSTITUTION: A connecting device 1 held by an upper clamp device 16 for an electrode A is carried, by a ceiling crane, just abov...
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JP2001158886A |
To provide an apparatus capable of efficiently mass-producing synthetic natural gas as a new energy source from a synthetic gas.This apparatus has such a scheme that a plasma electrode 48 and a neutral electrode 23 are concentrically set...
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JP3175375B2 |
PURPOSE: To prevent an AC arc furnace from being interrupted in its operation by restricting the elevation of an unnecessary electrode even when an overcurrent flows owing to a landslip phenomenon of a scrap. CONSTITUTION: A function gen...
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JP2001155849A |
To provide power for an arc heater that can suppress power capacity and damage and wear of an electrode.The power supply for an arc heater includes a main power supply connected to the arc heater, and a trigger power supply a connecting ...
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JP3170284B2 |
The invention relates to a d.c.-operated furnace installation. Into a metallurgical vessel (10) having a base electrode (35) projects an electrode (34) which is secured to a bearer arm (21) acting as a choke and having a tubular shape, i...
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JP2001506739A |
A novel process and apparatus for the thermal partitioning of heterogeneous feedstock (11) for the production of a metal product, a glass ceramic product and a gaseous product. The process includes the capability for thermal treatment of...
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JP2001139374A |
To provide a heat treatment method for objects to be heated which is capable of heating and heat treating the moldings of carbon powder which are the objects to be heated by utilizing an arc furnace for steel making. Resistance heating e...
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JP2001133167A |
To improve a power factor while keeping productivity by supplying an electrical power of wide range ranging from a high voltage low current to a low voltage high current for the progress of melting in a transformer having a non-voltage t...
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JP2001123124A |
To obtain an electroconductive antioxidative coating material having excellent storage stability, not causing a pinhole on a coating film and excellent antioxidizing effect even at a high temperature of ≥1,000°C. This electroconductiv...
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JP3162081B2 |
PCT No. PCT/EP97/00514 Sec. 371 Date Aug. 7, 1998 Sec. 102(e) Date Aug. 7, 1998 PCT Filed Feb. 5, 1997 PCT Pub. No. WO97/29617 PCT Pub. Date Aug. 14, 1997The present invention relates to an electrode for a metallurgical vessel and to a c...
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JP3158334B2 |
PURPOSE: To reduce the quantity of arc deflection and reduce the partial abrasion of an electrode by electrically connecting cables from a plurality of electrodes on molten metal side to each arc electrode through molten metal so that cu...
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JP2001110593A |
To provide an electrode for a plasma torch having improved cooling efficiency at electrode, and having increased maximum flow amount transportation quantity of the electrode. The electrode for a plasma torch is provided with a main body ...
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JP2001110592A |
To provide an electrode for plasma torch having improved cooling efficiently at the electrode, and having increased maximum flow amount transportation quantity of the electrode. The electrode for a plasma torch is provided with a main bo...
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JP2001110594A |
To provide an electrode for a plasma torch having improved cooling efficiency at the electrode, and having increased maximum flow amount transportation quantity of the electrode. The electrode for a plasma torch is provided with a main b...
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JP2001106505A |
To provide a synthetic gas producing device enabling highly efficiently the mass production of a synthetic gas at a required time in a required quantity using inexpensive water and a carbon material as a novel energy. A synthetic gas con...
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JP2001097721A |
To increase the efficiency of the operation for melting a material having non-electroconductivity in a solid state and having electroconductivity in a molten state. A plasma torch 5 having a cathode 3 and an anode 4 installed in the vici...
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JP3154659B2 |
To generate a difference of electrical conductivity so as to pinch the plasma, and to eliminate the necessity of cooling device so as to simplify the structure of a device by flowing the gas, which is hard to be ionized in comparison wit...
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JP3145802B2 |
PURPOSE: To detect the length of an electrode with a high accuracy during the operation of an arc furnace. CONSTITUTION: The length L3 of an electrode below a clamp 4 is measured immediately after elongating the electrode 3 initially to ...
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JP3135821B2 |
PURPOSE: To suppress the overheating of a nipple and to prevent the breakage of a graphite electrode connection, by applying an electric insulating material on the screw surface of the connection of the graphite electrode and the nipple,...
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JP2001040373A |
To provide a synthetic gas production process, a synthetic gas production apparatus, a power system, and a moving body, all for enabling the mass- production of a synthetic gas, as a new energy, in a required amount at a time when it is ...
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JP2001501770A |
An apparatus for providing three dimensional positioning to the ends of one or more translating elements which are normally restricted to translation along the longitudinal axes of the elements. A cartridge assembly including a cylinder ...
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JP3129714B1 |
[wrap up] [Task] Providing a structure for the bottom electrode of a DC arc furnace that is durable and can reduce the number of times the bottom is replaced. The electrode body of a metal circular rod, the electrode body, which is insta...
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JP2001021270A |
To enable a space saving for a three-phase AC arc electric furnace to be attained and further enable a continuous control of a power supply impedance to be attained at a low cost.This electric furnace is comprised of a furnace transforme...
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JP3126380B2 |
PCT No. PCT/DE91/00582 Sec. 371 Date Mar. 16, 1992 Sec. 102(e) Date Mar. 16, 1992 PCT Filed Jul. 17, 1991 PCT Pub. No. WO92/02112 PCT Pub. Date Feb. 6, 1992.A direct current arc furnace, includes a graphite cathode; and a container formi...
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JP2001012855A |
To prevent local heating due to a current concentration, to prolong an electrode using period and to facilitate a maintenance by installing a solid electrode made of a composite material obtained by filling a magnesia refractory material...
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JP2001004281A |
To provide a control method upon returning to an ordinary operation by rapidly raising an electrode and decreasing the current of the electrode when the leveling phenomenon of scraps is generated.In a control circuit 8b included in an el...
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JP3121743B2 |
PURPOSE: To make it possible to maintain the generation of plasma on an anode side when starting the operation of a furnace and prevent the temperature at the tip of an electrode of an anode torch from rising higher than that of a cathod...
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JP3116491B2 |
PURPOSE: To eliminate waste of closing power so as to shorten melting time by maintaining a furnace cover temperature and arc voltage in the first functional relation, and lifting an electrode in accordance with this relation so as to pr...
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JP3109139B2 |
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JP2000310414A |
To provide an ash melting furnace which causes a heat loss little even when it is a large-sized one having a high ash melting capacity and which can discharge molten slag of good quality little containing residual harmful substances. In ...
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JP2000514910A |
An arc furnace has a furnace vessel, a furnace inner chamber and at least one electrode (4) that projects into the furnace inner chamber. The furnace is characterised by an electrode receiving chamber (5) accessible from one side of the ...
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JP3105440B2 |
To provide a fixing device to prevent looseness of an electrode joint. A fixing pin 150 is arranged in an electrode joint composed of an upper electrode part 10 and a lower electrode part 20 adjacently connected to each other through a n...
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JP2000297988A |
To provide a water-cooled panel for a furnace cover and a water- cooled cover for an arc furnace, wherein the life of the arc furnace cover is improved and the cover can be provided at a low cost. A panel 1 is so arranged that a pluralit...
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JP3102255B2 |
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JP3102097B2 |
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JP2000294367A |
To prevent cracks from occurring in thread roots of a socket during the use of a graphite electrode, and facilitate the machining therefor. In this connecting structure 1 of a graphite electrode for an electric furnace, a socket 51 is pr...
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JP2000294368A |
To prevent cracks from occurring in thread roots of a socket during the use of a graphite electrode, and facilitate the machining therefor. In this connecting structure 1 of a graphite electrode for an electric furnace, a socket 51 is pr...
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JP2000291921A |
To obtain a slag of a stable glass composition by reducing a supply power to a first melting electrode provided at a position near a slag exhaust port smaller than a supply power to a second melting electrode provided at a remote positio...
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JP3100209B2 |
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JP3096483B2 |
PURPOSE:To enable an unmanned arc processing furnace to be operated, to which an electrode in a specified length can be continuously supplied without replacement works of the electrode. CONSTITUTION:An electrode feed means 200 is provide...
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JP3097291B2 |
PURPOSE:To easily set a new electrode lying down to a connecting device at the time of joining a new electrode to the electrode already installed in an electric furnace. CONSTITUTION:The lower end part 68 of a transmission shaft for rota...
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JP3096488B2 |
PURPOSE:To provide a hexavalent chromium compounds reducing apparatus which heats solids containing hexavalent chromium compounds directly with a plurality of arcs, melts them, and reduced them to make them harmless, and is capable of us...
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JP3095460B2 |
PURPOSE:To prevent DC arcs in a furnace from being made nonuniform by affecting them with the magnetic field generated around feed cables to furnace bottom electrodes of the DC electric furnace. CONSTITUTION:A furnace bottom electrode un...
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JP3094035B2 |
PCT No. PCT/FR91/00215 Sec. 371 Date Nov. 19, 1991 Sec. 102(e) Date Nov. 19, 1991 PCT Filed Mar. 15, 1991 PCT Pub. No. WO91/14912 PCT Pub. Date Oct. 3, 1991.A direct current electric furnace for melting metal raw material, especially scr...
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JP3092284B2 |
PURPOSE:To slowly apply a current limit without cutting an arc of an electrode even when a current regulator is in malfunctioning or the like. CONSTITUTION:In an adder 20, a deviation between a value of a current setter 10 through a swit...
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JP2000257826A |
To provide a plasma treating method and device, which are capable of efficient selective recovering of an element or a compound utilizing the heat current of plasma, simple in the constitution of a facility, easy in the operation, and ca...
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JP2000235996A |
To prevent the occurrence of bonding failures by preventing variations in discharge gap due to bends in wire tails to enable optimum balls to be formed at all times. An apparatus for wire bonding comprises a torch electrode (discharge el...
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JP2000235134A |
To make it possible to exactly swivel an object supported by an inner ring by separating the same from a mount and outer ring with respect to deformation. The object in the device for tilting the object of an optical element, such as a l...
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JP3079699B2 |
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JP3079649B2 |
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