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JPH1072615A |
To provide a refining method of molten metal refined in a converter or an arc electric furnace, etc., by utilizing arc-heating with graphite electrodes in a ladle at outside of the furnace, and an apparatus therefor. When heat-refining t...
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JPH1062077A |
To equalize the quantity of fusing damage of a hot spot refractory material by simultaneously adjusting phase currents of three phase based on a correction factor obtained by calculation from the equivalent circuit of an arc furnace. In ...
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JP2719938B2 |
PURPOSE: To maintain the satisfactory mechanical electrical contact condition between a metal rod body and a conductive plug by screwing a stud bolt into a portion of a metal rod body projecting from a furnace and bolting the surface of ...
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JPH1050474A |
To provide an apparatus which has a significantly slight weight with an intermediate current phase, as compared with triangular arrangement and carries electric power from a furnace transformer to electrodes of a three-phase are furnace ...
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JPH1047863A |
To separate only unnecessary metal without deteriorating working atmosphere and increase a recycle rate without changing the alloy constituent of the metals to be recovered by a low-cost and simple method wherein high-frequency electroma...
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JPH1041059A |
To provide a heat generator and a thermal treatment furnace of which maintenance can be easily carried out, by which the thermal treatment temperature for an object to be heat treated can be made even, and which can carry out thermal tre...
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JPH1038475A |
To prevent an electrode from being oxidized even under high temperature by covering a movable electrode and the surface of incineration ash in a manner of enclosing them with an electrode cover and feeding an inert gas into the covered s...
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JP2562275Y2 |
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JP2707718B2 |
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JP2561297Y2 |
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JPH1026475A |
To provide the structure of a furnace body for an electric furnace, which is capable of preventing the float of shaped refractory brick for lining without losing heat energy in the furnace. At least a side wall 24 in the furnace cell 25 ...
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JPH1025168A |
To obtain a ramming material for an induction furnace, capable of safely operating by solving peeling off of a sintered layer on the furnace wall in a high power rapid melting and large-sized high frequency induction furnace in recent ye...
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JPH1027687A |
To prevent the occurrence of abnormal arc if material to be treated contains a great amount of low-melting-point metal by providing a cover with heat resistance and electric insulation on the outer periphery of a plasma torch. A current ...
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JPH1026477A |
To prevent the deterioration of refractories around a groove unit due to excessive heating and the shortening of the life of a groove type induction furnace due to the stagnation of the flow of molten metal in a heating unit or the groov...
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JP2702744B2 |
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JP2704395B2 |
To reduce the electrode original unit of a graphite electrode at the time of refining by blowing a cooling liquid/water continuously to the peripheral surface of the graphite electrode to be used in a steel making process or a melting an...
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JP2703181B2 |
PURPOSE: To provide effective and efficient apparatus and method which enables melting and/or processing of raw materials while accomplishing the recycling, combustion and/or vitrifying incineration of waste material. CONSTITUTION: A spa...
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JPH1022095A |
To provide an ignition controller that provides high reliability by optimizing the igniting position of a torch, and enabling preheating of a subject for heating using a pilot arc. In a migrating plasma heating device, a nozzle 2 serving...
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JP2701418B2 |
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JP2701421B2 |
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JP2701420B2 |
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JP2697546B2 |
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JP2696019B2 |
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JPH102682A |
To provide an electric furnace capable of being easily installed and having a furnace wall structure capable of securely fixing a stud and easily correcting a location of the stud. This electric furnace has a large number of blocks 1, wh...
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JP2694590B2 |
PURPOSE: To provide a diagmostic method in the active condition in a furnace core and an activating method in the furnace core. CONSTITUTION: At the time of stopping the blasting in a blast furnace, by using a lance inserted into the fur...
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JP2694589B2 |
PURPOSE: To provide a diagnostic method of the filling condition in a furnace core and an activating method in the furnace core. CONSTITUTION: At the time of stopping the blasting in a blast furnace, by using a lance inserted into the fu...
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JP2692367B2 |
An apparatus for heating molten metal including a ladle provided with a refractory heat insulating material and first core members arranged in pairs and attached to the outside of the ladle. A tray capable of mounting said ladle carries ...
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JP2558169Y2 |
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JPH09318269A |
To automatically, simply and safely carry out an adjusting operation by providing a means for detecting the position of a grip device and that the lower end of an electrode comes into contact with a pedestal, operating an electrode eleva...
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JP2689542B2 |
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JP2686028B2 |
PURPOSE: To improve the efficiency of energy by maintaining the uniformity of heat transfer caused by arcs, by a method wherein the amounts and phases of electric currents caused to flow into a plurality of lower electrodes are controlle...
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JP2683771B2 |
PURPOSE:To rapidly carry out operations such as heating up, melting, heating up to a casting temp., and casting of a material so that electric power consumption is saved by disposing a low-frequency induction heater and high-frequency in...
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JPH09303969A |
To reconstruct a furnace in a short time by supporting the upper part of a crucible made of a fireproof material with a prescribed shape which is mounted on the fireproof material of a furnace bottom by an upper part holding fireproof bl...
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JPH09296986A |
To prevent molten metal from leaking even if an electrode pin is damaged by fusion by composing a stamp layer of a lower layer made of magnesia material at a current collector side and an upper layer made of a magnesia carbon material at...
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JP2553902Y2 |
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JP2671746B2 |
PURPOSE: To diagnose and analyse the accurate conditions of a furnace based on information on operation of an induction heating apparatus and take proper measures based on the results of the diagnosis and analysis. CONSTITUTION: In an in...
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JP2665855B2 |
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JP2665856B2 |
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JPH09271932A |
To produce a die cast product with excellent yield by providing a hollow contact part of a ceramic ladle to store and carry the molten metal with the molten metal to control the breakage by the thermal fatigue and to improve the heat ins...
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JPH09273873A |
To make it possible to easily change a magnetic field in the direction and the intensity in a magnetic field generator. This magnetic field generator is used for an electromagnetic agitator to electromagnetically stir up and mix a molten...
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JPH09260052A |
To provide an electrode support device which can fasten and loosen an electrode and can support the electrode in a condition of being put in a desired vertical position by the constitution that an attracting tool and an operation means a...
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JP2655588B2 |
The invention relates to an anode which has a wear behaviour which is approximately uniform locally and can be matched in simple form to various embodiments of DC arc furnaces. In this case, a plurality of contact plates are arranged sym...
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JP2548551Y2 |
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JP2657067B2 |
The invention is directed to a seal assembly for sealing an electrode movable vertically through an opening in the roof of an electrode furnace. The seal assembly comprises a lower assembly including an annular base adapted for sealing e...
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JP2656424B2 |
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JPH09229571A |
To enable a length of an electrode held by a holder to be easily and safely adjusted by a method wherein the holder is loosened and lifted up under a state in which the electrode is received with a receiving block and then the holder is ...
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JP2649295B2 |
PURPOSE: To enhance thermal efficiency by supporting uprightly a heat generation section capable of heating treated articles internally and a hollow cylinder type resistor heat generation section with pipe-shaped refractories and install...
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JP2650670B2 |
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JP2650478B2 |
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JPH09227924A |
To provide a ferrous scrap melting method excellent in heat efficiency at the time of obtaining molten iron by melting the ferrous scrap with an electric furnace. In the method for obtaining the molten iron by using the electric furnace ...
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