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JPH0723837B2 |
PURPOSE:To reduce the quantity of electric power used in a subsequent melting stage by effectively preheating starting material without melting and by making the average preheating temp. of the starting material higher. CONSTITUTION:Fuel...
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JPH0721390B2 |
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JPH0718665B2 |
PURPOSE:To obtain the title device, prominent in removing every scope of oil mist, bad small constituent, organic solvent and white smoke and capable of providing a countermeasure for the fire of the bag chamber of a direct inducing dust...
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JPH0755342A |
PURPOSE: To enable oxidation consumption to be restricted at the surface of an electrode by a method wherein there is provided a device in an arc furnace having two furnaces used alternatively for melting and preheating operations so as ...
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JPH0755362A |
PURPOSE: To evenly preheat scrap in a basket while eliminating the need for the interruption of the preheating even during the replacement of basket into which the scrap is held in a method and an apparatus wherein the scrap is preheated...
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JPH077313Y2 |
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JPH079021B2 |
PURPOSE:To utilize effectively exhaust gas for preheating scrap by introducing the gas into a gas combustion tower having air introducing holes and by burning CO while slowly blowing air. CONSTITUTION:Scrap Sc is charged into a furnace 1...
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JPH074478Y2 |
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JPH076748B2 |
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JPH073279Y2 |
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JPH0727489A |
PURPOSE: To improve preheating efficiency of scrap within a transfer device by providing a scrap feeding part at a plurality of places in a transfer direction of a scrap transfer device. CONSTITUTION: High temperature exhaust gas produce...
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JPH075950B2 |
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JPH0719751A |
PURPOSE: To make effective use of dust containing carbon recovered from discharged gas outputted from a metallic scrap melting furnace and sludge containing aluminum produced when metallic aluminum is recovered from dross containing alum...
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JPH0712474A |
PURPOSE: To utilize sensible heat of flue gas considerably by burning smoke gas at a specified temperature or above and heating outer air, guiding hot gas through a basket filled with scrap and mixing high temperature air flowing out fro...
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JPH07803B2 |
PURPOSE:To preheat scraps to a high temp. without emitting a foul odor by burning the unburnt gas in exhaust gas from the operation side furnace shell of a melting furnace in a combustion tube, introducing the resulting exhaust gas into ...
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JPH06103157B2 |
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JPH06103152B2 |
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JPH06100429B2 |
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JPH0646975Y2 |
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JPH06330205A |
PURPOSE: To assure an improvement in melting efficiency and operation safety by heating charging materials in a nonoxidative atmosphere in a heating furnace disposed near an induction melting furnace and charging these materials into the...
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JPH0692872B2 |
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JPH0643676Y2 |
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JPH06313684A |
PURPOSE: To eliminate influences of flicker and harmonic waves to a power network. CONSTITUTION: A generator 12 is driven by a prime mover 11. The generator 12 is so constituted as to obtain an output frequency of about 100-800Hz. An out...
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JPH0678790U |
[Purpose] By providing a shaft at an intermediate position between the upper movable electrodes where the arcs of the plurality of upper movable electrodes are deflected, the raw materials flowing from the shaft into the furnace can be e...
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JPH06307779A |
PURPOSE: To enhance the efficiency in preheating scrap using waste gas from an electric furnace, by a method wherein waste gas from the electric furnace is led to a preheating zone and burned above time scrap fed into the preheating zone...
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JPH06300449A |
PURPOSE: To improve melting efficiency and prevent a furnace wall from being wasted by constructing a DC are furnace such that a scrap stock material is continuously introduced from a portion between upper two electrodes to the center of...
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JPH0684872B2 |
A heat recovery and storage system for use in connection with a melting furnace. In such system, heat from the exhaust gas of a melting furnace is recovered and used to preheat scrap metal and to maintain such preheated scrap metal in it...
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JPH0676237B2 |
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JPH0665951B2 |
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JPH0665950B2 |
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JPH0631305Y2 |
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JPH06229688A |
PURPOSE: To reduce the height of an apparatus to make a trestle low in height and lightweight, and lessen the pressure losses for sucking exhaust gas to allow a suction fan to have a small capacity. CONSTITUTION: A pre-heater has a verti...
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JPH06228668A |
PURPOSE: To simplify an apparatus while continuing steel tapping from a scrap melting furnace as long as possible. CONSTITUTION: A furnace opening part 4 at the top part, an exhaust gas discharging hole 5 at the upper part, an exhaust ga...
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JPH0629678Y2 |
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JPH0660794B2 |
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JPH0660793B2 |
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JPH0660792B2 |
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JPH0658195B2 |
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JPH0658196B2 |
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JPH06212288A |
PURPOSE: To provide a method to suppress oxidation and execute efficient preheating when iron scrap is preheated. CONSTITUTION: Fine iron ore and iron scrap 6 are supplied in a horizontal rotary hearth furnace 1 and heated. Fine iron ore...
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JPH0651883B2 |
PURPOSE:To decrease the electric power to be used in a melt refining station by disposing plural having stations in parallel and extending the heating time for the raw materials in plural arc furnaces in the stage of circulating the raw ...
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JPH0647488B2 |
In a process of thermally treating fine-grained solids, the latter are preheated in a plurality of heat exchange stages by means of exhaust gases flowing in two parallel exhaust gas lines and are subsequently heated only by exhaust gases...
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JPH0646144B2 |
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JPH0646145B2 |
PCT No. PCT/EP90/00335 Sec. 371 Date Oct. 25, 1990 Sec. 102(e) Date Oct. 25, 1990 PCT Filed Feb. 28, 1990 PCT Pub. No. WO90/10086 PCT Pub. Date Sep. 7, 1990.This invention is directed to a smelting plant with shaft-like charging material...
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JPH06159945A |
PURPOSE: To heat and dry two or more workpieces which are the same in heating condition but different in heating period of time, by providing two or more holders to set the workpieces and transfer devices to bring the holders into a heat...
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JPH0639629B2 |
PURPOSE:To decompose malodorous component thermally and to suppress generation of malodorous gas from electric furnace, by preheating scrap in an electric furnace out of operation by burner, and introducing malodorous exhausted gas gener...
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JPH0639631B2 |
PURPOSE:To continuously fractionate and recover >=1 kinds of low melting metals with good thermal efficiency in an inclined furnace which heats waste and fractionates the high and low melting metals by covering the waste which is success...
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JPH0618235Y2 |
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JPH0618221Y2 |
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JPH0631686B2 |
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