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JP3339660B2 |
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JP2002307163A |
To provide a method for removing slag intruded into a skull which has been stuck to the inside of a molten steel vessel such as a pan by reducing the melting point of the slag, and an apparatus therefor.Flux at least containing CaO, Al2O...
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JP2002302703A |
To provide a method for producing an alloy strip having a stable quality and a uniform thickness at high producing efficiency without clogging in a discharging hole of the molten alloy, obtained by melting granular metals in a pot.In the...
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JP3330883B2 |
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JP3329683B2 |
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JP2002249817A |
To minimize the quantity of impurities in molten steel by keeping the time optimum for balancing the capturing of the refractory peeled off from a ladle in the molten steel due to drop of the temperature of the molten steel with the floa...
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JP2002239715A |
To prevent the production of the burn-on materials by insufficient cooling of the bottom segment of a spherical ladle and the outside surface of a ladle body and to lessen the erosion and crack of the ladle even if residual molten steel ...
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JP2002219564A |
To remove effectively foreign matter (scum) floating on a molten metal basin part in twin drum type thin strip continuously casting.In twin drum type thin strip continuously casting equipment, the suction and removing method for the scum...
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JP3310337B2 |
PURPOSE: To automatize a set of a strainer by positioning holding mechanism onto a strainer fitting part with shifting mechanism, inserting the strainer into the fitting part and releasing suction of the holding mechanism. CONSTITUTION: ...
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JP2002192334A |
To provide a filter capable of reducing overheated temperature of molten metal and preventing solidification of molten metal during an initial stage of pouring molten metal with regard to the filter effectively filtering impurities lying...
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JP2002178137A |
To provide an aluminum melting and holding furnace with which invasion of foreign matter such as oxide contained in molten aluminum held in a holding chamber into a delivery chamber can be restrained and the cleanli ness of the molten al...
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JP3292272B2 |
To prevent the oxidation of molten steel and to improve the quality of a steel by blowing oxygen in the condition of bringing the tip part of an oxygen introducing pipe into contact with a solidified metal, at the time of starting castin...
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JP2002153960A |
To always position the lower part of a dross holding plate arranged in a ladle, on the inner side from molten metal surface, even in the case of changing the flowing-out quantity of the molten metal per unit time poured into a chute from...
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JP3286154B2 |
To provide an air-blowing method of a casting machine, by which a sleeve and the upper surface of a chip can be dried in good or better condition and casting flash and waste can be removed in good condition, and a device thereof. An air ...
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JP2002144022A |
To provide a tube member for constituting a runner which can efficiently manufacture and can integrally form by inserting a strainer.Since a T type tube member 10 as the tube member for constituting the runner is manufactured by press-fo...
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JP2002514508A |
A ceramic investment mold is disposed in a casting chamber and communicates with a pour cup melt reservoir connected to the mold and having a reservoir volume for holding enough melt to fill the mold. The melt pour cup reservoir is commu...
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JP3282105B2 |
PURPOSE: To improve the quality of a cast slab by blowing inert gas from the bottom part of a tundish and also, coating the molten steel surface with a fusible insulating material, at the time of pouring the molten steel into a tundish f...
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JP2002120058A |
To provide a device for holding the cleanliness of molten metal with which impurity gas mainly constituted of gaseous hydrogen is sufficiently removed, interposition such as slag or oxide is hardly generated, and the molten metal with re...
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JP2002120053A |
To obtain a high quality cast slab having little defect on the surface layer in a continuous casting of molten metal.The molten metal is circulated in the vertical plane to the casting direction with a shifting magnetic field based on an...
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JP2002120061A |
To provide a porous filter for efficiently filtering impurities contained in molten metal essentially consisting of iron, nickel and cobalt in the casting of the molten metal.This porous filter is composed of a sintered body of an amorph...
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JP2002103022A |
To simply observe a state (adhesion state, etc., of oxide) of an inner face of a molten metal passage of a pouring connection block without dismounting/disassembling the pouring connection block and to easily/quickly remove the oxide, et...
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JP2002103025A |
To efficiently and easily recover expensive zircon at a low cost from the die after casting by a lost wax method.In this method for separating zircon from a mold after a lost wax molding, a die after the molding by the lost wax method ma...
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JP3273427B2 |
To provide a replacement method and a device for refractory for the molten metal container capable of finishing a refractory replacement work in a short time without causing a deterioration to the container, and keeping the cost of equip...
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JP2002096157A |
To provide a means that enables further lowering of the rate of inferior products that cannot be realized by the operation of conventional means such as metal mold, casting process, casting conditions, peripheral technology, etc.An audib...
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JP3270784B2 |
PURPOSE: To provide the filter having heat resistance and thermal impact resistance in combination and is made well usable over a long period of time by using a porous sintered compact which consists essentially of mullite and into which...
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JP2002086262A |
To effectively remove foreign matter contained in molten metal and also, to improve a maintenance service of an oxide convection preventive plate provided with a filter member part.The oxide convection preventive plate 3 is formed of a g...
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JP3268717B2 |
PURPOSE: To provide a holding furnace, in which the oxide is removed and further, the flow of molten metal is smooth without damaging the thermal conductivity. CONSTITUTION: In the holding furnace 1, the molten metal received from a rece...
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JP2002079368A |
To provide an apparatus for improving the working efficiency in a fitting/removing work of a cover with a burner used for preheating a ladle and in a tilting work for tilting the ladle to discharge slag in the ladle after receiving molte...
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JP2002073152A |
To provide a system for remotely monitoring the operation of a dust collector.The operation monitor system for dust collector on casting line is provided with a local unit, the local unit accesses a communication network connected theret...
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JP3264238B2 |
To provide a tundish for casting a clean steel, in which particularly, fine inclusion becoming a problem in the casting of a high grade steel, is reduced and the clear steel can efficiently be produced, in a continuous casting executed b...
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JP3265189B2 |
To easily remove tundish slag by lowering the m.p. and the viscosity of the tundish slag without newly providing the equipment and without causing any contamination of molten steel, the deterioration of cleanliness and the erosion of ref...
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JP2002059250A |
To provide a device for pouring molten metal matrix composite material with which the defect of a casting caused by dirts can be eliminated.A molten metal pouring device 23 for injecting the molten metal matrix composite material into a ...
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JP2002047510A |
To provide a ladle refining apparatus in which the flow-in of the atmosphere is prevented and the oxidation is prevented by keeping the ladle at a positive pressure higher than the atmospheric pressure without using a specified vessel an...
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JP2002035901A |
To steadily cast a cast piece with superior cleanliness and without causing clogging of the immersion nozzle.The hot rotating operation of tundish for the continuous casting is carried out through the combined use of at least two kinds o...
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JP2002028773A |
To provide a slag removing method and device therefor in a molten metal vessel with which the development of slags spottedly floating on the molten metal surface and being difficult to remove, is prevented by the simple device so that th...
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JP3251865B2 |
To provide a circulation type molten metal filtering device capable of remarkably improving the performance to remove the inclusion in a compact size, and reducing the temperature variance of each part of the molten metal. The molten met...
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JP2001347364A |
To provide a porous filter for filtering inclusions contained in the molten metal when molding the molten metal mainly consisting of iron, nickel and cobalt.This porous filter for molding the molten metal which is formed of a sintered bo...
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JP2001523578A |
A pouring device for metallurgic vessels, particularly for steel melts, with slide plates which can be adjusted and slid out again one behind the other in a row under a vessel opening and into which filters can be inserted, and with an i...
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JP2001321926A |
To quickly and easily discharge hard slag which floats on molten metal in a ladle and is cooled and hardened, to out side of the ladle.A slag dipping vessel 10 is surrounded with a bottom plate 11, both side plates 12, 12 and a back plat...
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JP2001314829A |
To provide a cleaning truck which is used for cleaning a high- temperature cleaning object, such as a tundish used in casting, and which can efficiently and safely clean.This truck is composed of a truck body 2, a travel device 3 attache...
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JP3227417B2 |
To provide a cleaning method of an upper nozzle in a tundish for continuous casting without bringing about the contamination of oxide in a tundish. The upper nozzle is cleaned by injecting plasma jet using non- oxidizing gas, reducing ga...
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JP3225988B2 |
PURPOSE: To decrease misrun and leakage defects and to improve working environments by sucking gases generated from a shell core and filtering the foreign matter generated from these gases between a communicating hole and suction device....
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JP2001300698A |
To provide a simple apparatus having the function for floating and separating fine inclusions with the swirl flow by generating the horizontal swirl flow into molten metal. (1) In a vessel for holding the molten metal, constituted of a f...
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JP2001300703A |
To provide flux which can restrain the erosion of a refractory even in the case of charging at the initial stage of casting and also, has excellent removability of slag. This flux is added into a tundish for continuous casting and contin...
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JP2001294931A |
To provide a method and a device in which molten metal can be discharged without any slag while evading the molten metal from splashing when the molten metal is tapped off, and the operation can be achieved at low investment and operatio...
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JP2001286998A |
To provide a method for continuously casting steel with which a cast slab excellent in the cleanliness can stably be produced at low production cost. This casting method is applied under a condition of ≥1.5 τp, wherein τp is an oxide...
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JP2001286992A |
To provide a tundish with which a fine oxide in molten steel can be removed and a clean cast slab can be obtained at low equipment cost and operational cost, and to provide a continuous casting method. In a tundish 1 in which a part for ...
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JP2001287018A |
To economically manufacture a brake disk satisfying both of the improvement of wear resistance and the maintenance of heat shock resistance by intensively and dispersively strengthening SiC limited to suitable grain size only on a slidin...
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JP2001286997A |
To provide a method for continuously casting steel with which a cast slab excellent in cleanliness can stably be produced at low production cost. This casting method is applied under a condition of ≥1.5 τp, wherein τp is an oxide flo...
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JP3219410B2 |
PCT No. PCT/SE93/00130 Sec. 371 Date Aug. 2, 1994 Sec. 102(e) Date Aug. 2, 1994 PCT Filed Feb. 18, 1993 PCT Pub. No. WO93/16829 PCT Pub. Date Sep. 2, 1993.Molten metal is pumped from a furnace to a place where it is utilized using a gas-...
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