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JP2001524598A |
A smelting furnace system for smelting metals, especially steel scrap, with a lower furnace vessel, in the bottom of which a tap hole is provided, and with an upper furnace vessel, which can be closed by a cover, in which a central pipe ...
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JP2001523760A |
The invention relates to a device for withdrawing lumpy material, especially lumpy material containing iron oxide and/or sponge iron, from a shaft furnace, especially a direct reduction shaft furnace. The withdrawal device consists of wo...
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JP2001522937A |
The invention relates to a shaft furnace (1), in particular a direct-reduction shaft furnace, having a bed (2) of lumpy material, in particular lumpy material containing iron oxide and/or iron sponge, having worm conveyors (3) which pene...
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JP2001316673A |
To provide a vertical carbonization apparatus which is compact and has a simple structure in which raw materials are continuously charged regardless of the kind such as RDFs (refuse derived fuel) and wood chips and only gasified, carboni...
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JP2001316190A |
To provide a burning method for a product with high efficiency and high quality.The burning method of a porous sintered compact containing carbon component in a raw material, like a product of foundry sand and dust granulation burned pro...
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JP2001316106A |
To provide a regeneration method, in which a granulated activated carbon adsorbing an organic chlorine compound in use at water treatment is regenerated in a regeneration furnace, and which enables to minimize an organic chlorine compoun...
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JP2001311589A |
To reduce or remove dioxins or the like in exhaust gas to a level satisfying regulatory standard value in a melting process using a large amount of iron-based scraps.The copper content of a melt is kept at 0.12 mass % or less by using in...
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JP2001310177A |
To provide a method and a furnace for the melting treatment of waste, reducing treatment cost when directly melting waste.In a melting furnace wherein a waste charging device 2 is provided to the top of a shaft furnace 1 and tuyeres 3, 4...
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JP2001304773A |
To supply a powder and gas from an individual powder-supplying machine to a plurality of ports uniformly and stably when blowing the powder into the container of a refining furnace, a melting furnace, or the like individually or mixedly ...
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JP2001304526A |
To provide a surface melting furnace for a workpiece such as refuse incineration residues wherein the article can be melted automatically, stably, and successively with high efficiency without causing the sharp cost increase of a control...
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JP2001304761A |
To provide a cooling plate having shape stability definitely improved in the technological level throughout the operation condition, and accordingly capable of prolonging its life. The cooling plate is a component of a furnace wall in a ...
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JP3220307B2 |
PURPOSE: To execute the stable operation and to reduce the melting cost by using briquetted coal which is press-formed by adding binder to non-caking coal powder as carbonaceous material, and holding furnace top temp. to a specific temp....
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JP2001289419A |
To solve the problem of increasing facility costs which is ascribable to the necessity of a separate device for preparing oxygen enriched air in a dust melting furnace having only a coke bed, and the problem that dust combustion heat can...
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JP2001289420A |
To solve the problem that the pressure in a furnace is raised when a large amount of air is supplied thereto from a tuyere and thus continuous discharge of residue becomes difficult, which is ascribed to the necessity of maintaining the ...
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JP2001289418A |
To provide a dust melting system which suppresses generation of NOx and dioxins and has less fusion and adhesion of fly ash. A dust treating device is constituted such that dust and coke are fed into a shaft furnace, the dust is combuste...
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JP3218389B2 |
To measure the temperature distribution of the surface to be heated in a highly precise manner, without being subjected to the effects of the irregularities of characteristics between the solid bodies of a thermoelectric couple and a tem...
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JP2001280621A |
To solve the difficulty with the prior art that provided intermittent operation is performed in a melting processing furnace for refuse, cokes on a bottom of the furnace is covered with a solidified cold slag each time the operation is s...
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JP2001271125A |
To provide a method for regenerating lead slag in which regeneration of lead slag can easily be performed even in case of a small amount of lead slag. In a vessel 1 for regenerating lead slag having heat resistance and the components of ...
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JP3213631B2 |
PURPOSE: To control the cooling of the distribution chute by arranging a circuit to cool the rear surface of a chute main body to the distribution chute and connecting it to an annular tank so as to cause a gas to flow to a place desired...
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JP2001262216A |
To develop an iron scrap melting method for producing molten steel at low cost in which the iron scrap is melted and a desired component composition such as carbon content is adjusted to the target value and the molten steel is quickly t...
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JP2001515137A |
A device for producing sponge iron from iron oxide lumps consists of a reduction shaft in which a hot dust laden reducing gas is delivered. The gas is produced in a gas generator by means of partial oxidation of solid carbon carriers and...
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JP3207359B2 |
To provide a waste heat utilizing device for a cupola, which is increased in a temperature efficiency, improved in the durability of the same by eliminating the factors of abrasion and prevented from generating noise and vibration by uti...
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JP3205579B2 |
PURPOSE: To accurately measure the furnace condition in a blast furnace by preventing buckling of a lance caused by inserting reaction at the time of inserting the lance for measuring the furnace condition in the blast furnace into the f...
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JP2001234175A |
To provide a process for operating a vertical self-burning melting oven which inhibits the generation of molten products of carbonization materials and stabilizes the operation over a long period by dropping the temperature within a refi...
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JP2001232457A |
To provide a furnace for the unidirectional solidification of a superalloy which can solve conventional problems.In a casting furnace using a molten metal bath to realize the directional solidification of an article from a molten metal a...
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JP2001226720A |
To provide a metal melting equipment having a vertical type metal melting furnace 1 which is charged with metallic raw materials Mc together with additives S from a charging port 5 in the upper part of a furnace casing 2, is supplied wit...
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JP2001226677A |
To provide a carbonizing apparatus enabling the uniform carbonization of an object to be carbonized such as wood scraps and garbage.Plural troughs 60 are arranged in a cylindrical refractory furnace 10 in plural stages along the directio...
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JP2001221573A |
To provide a method for supplying powdered material into a shaft furnace capable of suppressing generation of clogging phenomenon in the shaft furnace.Upper portion of the powdered material in the shaft furnace 22 is retained in the heat...
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JP3181293B2 |
A water cooled hot air slider plate with a cooling channel, through which a cooling medium flows. A seal extends over the perimeter of the plate, both sides of the plate with the exception of the seal are joining a seal adapted to adjoin...
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JP3174434B2 |
PURPOSE: To facilitate the lining execution of prepared unshaped refractories and to improve the strength and the durability of a lined product by using form-tie to line a water tube wall. CONSTITUTION: The end 11 of a round separator 1 ...
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JP2001153322A |
To reduce fuel such as expensive coke, coal, heavy oil, natural gas and the like.In the method for using carbides produced by the furnace as a temperature-raising gas for a boiler and a steam turbine for power generation, carbides are pr...
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JP2001152217A |
To stabilize the operation of a furnace and to control the slag so as to discharge under good fluidity by controlling the viscosity of slag produced in the furnace in various kinds of melting furnaces.The composition of slag produced in ...
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JP2001152215A |
To reduce the using quantity of fuel, such as expensive coke, coal or heavy oil, natural gas.As the substitutive fuel to the fuel of the coal and petroleum base fuel, such as coke, coal or heavy oil, natural gas, etc., the materials of p...
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JP2001141367A |
To perform the energy conservation of a copper melting shaft furnace and to prevent the oxidation of a copper material by holding non-oxidative property or reducibility in the furnace. The copper melting shaft furnace comprises a molten ...
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JP2001139364A |
To provide a kiln for ceramic art, the overall size of which can be reduced and the required installation space for which is comparatively small and in which a uniform firing effect on the whole article to be fired can be brought about a...
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JP2001140010A |
To provide a treating method of waste material using a cupola, by which the dust developed from the cupola and the cast waste material developed after casting can be recovered as the useful material for the industry and the above dust an...
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JP3151803B2 |
To detect such breakage as fine leakage of fine pin hole, etc., of a tuyere at a high precision in an early time. In the detecting method of breakage of the tuyere 2 by detecting difference between the outputs (differential flow rate) of...
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JP2001082879A |
To miniaturize devices, installed differently, as the material pre- treatment devices for a furnace and permit the efficient utilization of waste heat by a method wherein a charging system on the top of a blast furnace is provided with a...
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JP2001503477A |
A device for discharging or mixing lump materials from a shaft furnace with a hollow body for discharging the reaction materials open at the bottom and/or at least to one side, has screws arranged in a star-shape in the hollow body. Thes...
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JP3144622B2 |
To provide a melting furnace converted from a PS converter to obtain a molten metal for casting by suppressing new facility investment to the minimum limit by using the converter of existing metal material manufacturing facility and agai...
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JP3145119B2 |
A method is disclosed for melting copper without incorporating unwanted oxygen and/or hydrogen into the copper by effectively controlling the burners used to melt the copper within desired fuel/air ratio operating limits by employing a s...
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JP2001059682A |
To simply and effectively obtain high-temperature air in association with feeding a cold air directly to a furnace wall without using a hot air stove by incorporating a metal or ceramic ball, heat pipe or the like in a shaft, a belly or ...
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JP3140799B2 |
PURPOSE: To improve predicting accuracy of temp. dropping and to accurately control steel tapping temp. by using correcting quantities related to a steel receiving time and a ladle empty time, obtaining unevenness of temp. dropping quant...
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JP3140108B2 |
PURPOSE: To make a uniform temperature distribution of steel materials within a furnace by a method wherein a heat transfer at a part supported by a supporting fitting at a lifting or descending support and another heat transfer at a gap...
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JP2001056182A |
To facilitate discharge of a high temperature molten metal and slug and further stabilize furnace conditions and furnace operation by providing a furnace bottom face with an inclination angle. An inclined face structure is constituted by...
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JP2001056183A |
To prevent emission of dust such as fine particles as much as possible by proving a gas extracting column in a lower part of a furnace and separately extracting a gas through the column. Gas extracting columns 24 are installed in a sever...
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JP2001049314A |
To provide a stave cooler, in which the fall-down of a refractory held in notched parts of a metal-made body is restrained and even in the case of falling down, the charged material, such as ore, is filled into the whole notched parts af...
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JP3134085B2 |
PURPOSE: To provide a burner for the forehearth to heat the molten metal flowing in an outflow pipe so as to augment the effect of the heating, relating to a device for continuous fusion in which the bottom of a melting furnace and its f...
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JP2001027482A |
To provide more excellent thermal efficiency and to smoothly melt a copper material from a furnace bottom.A shaft type melt furnace 1 is provided in a position near a bottom part with a number of regenerative burners 2 in a state to appr...
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JP2001026413A |
To provide a shaft kiln for powder treatment capable of preventing the formation of bridge in a raw material feed hopper, the oxidation of powder by remarkably decreasing air among the powder or the like with a simple structure.The tight...
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