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JP5575126B2 |
The invention relates to a process for manufacturing cement clinker in a plant having a cyclone preheater, a precalcination reactor, a rotary furnace and a clinker cooler. According to the invention, the flue gases produced by the rotary...
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JP5559641B2 |
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JP5552754B2 |
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JP5541406B2 |
Providing a cement production apparatus in which raw material is supplied into a duct with being dispersed uniformly so that heat-exchanging efficiency is improved by even preheating and clogging and the like are prevented, so that stabl...
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JP5439756B2 |
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JP5406630B2 |
To provide a dezincification apparatus which can extremely inexpensively and surely remove zinc, and to provide a dezincification method therefor. This dezincification apparatus includes: an induction heating container 50 which has an in...
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JP2014015338A |
To improve thermal efficiency of a raw material preheater and to reduce electric power consumption by making a cement raw material be efficiently discharged from the raw material preheater.In an apparatus 10 for preheating a cement raw m...
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JP5386865B2 |
PURPOSE: A preheater is provided to prevent heat gar from excessively increase of pressure loss. CONSTITUTION: A preheater comprises: a structure(5) of bridge shape formed at the upper side of fuel filling layer(4); a heat gar input(6) i...
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JP5377808B2 |
To provide an arc furnace equipped with a preheating device, which reduces capacity of a transformer or improves electric power consumption rate by reducing reactance or resistance, and provide a method for stabilizing generation of arc....
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JP5348975B2 |
To provide a metal melting furnace capable of managing a temperature of held molten metal with high accuracy while saving energy. In this metal melting furnace 1 in which a melting chamber 10 and a holding chamber 20 are partitioned by a...
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JP5348902B2 |
To provide an aluminum melting furnace, heat treatment apparatus, and casting system capable of carrying out even heating in a short time and effectively using heat without discharging carbon dioxide. The aluminum casting system 10 is co...
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JP5336530B2 |
To provide a material burning device and a material burning method capable of accurately controlling a material input amount from a preheating furnace to a rotating furnace. A material cut out from a material storage layer 4 is supplied ...
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JP5316731B1 |
To provide a cement production apparatus which can pre-heat uniformly material supplied to cyclones above a duct, improve heat-exchanging efficiency, and perform an operation with low pressure loss and small energy consumption. A cement ...
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JP5316663B2 |
To provide a cement production apparatus in which heat-exchanging efficiency can be improved by even pre-heating by supplying material equally to cyclones above a duct and which can perform an operation with low pressure loss and small e...
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JP2013190148A |
To provide a vertical kiln capable of preventing the drop of a firebrick by rigidly supporting a circulating cylinder body arranged in a furnace body.An upper space serving as a preheating area is formed between a furnace cover 14 where ...
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JP2013531552A |
This invention provides a method for reducing mercury emissions from a cement plant comprising at least a particulate collection device and a preheater tower comprised of one or more preheater cyclones. The method comprises injecting pul...
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JP5251297B2 |
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JP5251296B2 |
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JP5236926B2 |
To provide a method for producing molten steel by which in production of the molten steel using iron-scrap and blast furnace molten iron together, electric power consumption is reduced by efficiently melting the iron-scrap and at the sam...
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JP2013079423A |
To provide a facility and method for producing reduced iron powder which efficiently performs finish reduction processing of crude iron powder such as rough-reduced iron powder and atomized iron powder.The facility for producing reduced ...
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JP5184026B2 |
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JP5145779B2 |
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JP2013028826A |
To provide a method for melting a cold iron source using a composite arc melting furnace, with which electric power consumption can be further reduced in comparison with the conventional method, by stably transmitting thermal energy that...
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JP5139978B2 |
Apparatus for the combustion of gas exiting from an electric arc furnace where the heat of combustion is used for the preheating of scraps entering the furnace wherein the apparatus has an insertion device for introducing comburent subst...
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JP2013002639A |
To provide a partition type reduction method for metallurgy and a facility for the same which is achieved in a purpose for saving energy and conserving a global environment by substantially reducing a time required for a rise and fall of...
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JP2012531526A |
A method is described for heating lightweight metal ingots (1), with the lightweight metal ingots (1) being heated in a furnace (2) by hot burner exhaust gases. In order to provide advantageous heating conditions it is proposed that the ...
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JP2012180560A |
To provide a technique for manufacturing molten steel with which the high utilizing efficiency of energy and also, the decrease in manufacturing cost can be obtained.The arc-melting furnace is composed of an arc-melting chamber and a sha...
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JP2012154542A |
To provide a dry-distillation pyrolysis device in which a treatment object to be pyrolyzed into dry-distilled gas can be dry-distilled while a vessel storing the treatment object is heated in a shorter time than in the conventional syste...
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JP2012137204A |
To provide an ingot melting apparatus using exhaust heat, which is constituted of a built-in automated supply unit supplying intermittently a preheated ingot, by reusing exhaust heat energy, to preheat air for auxiliary combustion, and a...
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JP4980593B2 |
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JP2012088027A |
To provide a low-cost and efficient melting furnace for a medium-size business which can modify an upper part of the material supply tower of a currently possessed metal melting furnace and effectively use waste heat energy.In the existi...
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JP4883833B2 |
A vessel which produces metal from a feed material by direct smelting is disclosed. The vessel contains a molten bath having a metal layer (15) and a slag layer (16) on the metal layer and a gas continuous space (31) above the slag layer...
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JP4828211B2 |
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JP4814387B1 |
To further improve thermal efficiency and reduce fuel intensity as compared with the prior art, and to significantly reduce carbon dioxide emissions, a method for melting a metal ingot and a metal ingot used in this method. To provide. A...
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JP4801732B2 |
A method for preheating iron agglomerate by a hot gas stream having the following steps: supplying the iron agglomerate in an iron agglomerate bed; heating the gas to the preheating temperature in a heat exchanger; and passing the hot ga...
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JP4790124B2 |
A process and an apparatus for producing metals from a metalliferous feed material are disclosed. The process includes the steps of partially reducing and at least partially melting a metalliferous feed material in a pre-reduction/meltin...
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JP2011526351A |
The device according to the invention for performing chemical and/or physical reactions between a solid material and a gas, in particular for preheating, cooling and/or calcining fine-grained materials substantially comprises at least on...
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JP4785839B2 |
An apparatus for reducing a metalliferous material in a fluidized bed includes a vessel for containing the fluidized bed, a mechanism for supplying the metalliferous material, a solid carbonaceous material, an oxygen-containing gas, and ...
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JP4776541B2 |
A heat-treatment apparatus having a combustion chamber (13), an apparatus main body (10) provided with said combustion chamber (13), a combustion burner (20) for supplying a heating gas to said combustion chamber (13), a flue for dischar...
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JP4751132B2 |
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JP4747285B2 |
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JP4724546B2 |
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JP4678449B1 |
To generate CO generated in a cement facility by effectively utilizing a heat source in the cement manufacturing facility.2CO that enables gas to be separated and recovered at a high concentration2Provided are a method for recovering gas...
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JP2011069606A |
To maintain a stable state of molten metal in an arc furnace by detecting a change of state of an iron source supplied into the furnace when continuously supplying the iron source into the arc furnace and melting it.The arc melting facil...
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JP2011033217A |
To stop supply of an iron source to a melting chamber in a temperature rising period while smoothly supplying the iron source to the melting chamber in a melting period, in arc melting equipment.In this arc melting equipment 1 including ...
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JP2011026672A |
To make it possible to hardly produce smoke caused by the burning of organic matters and also to prevent the quality of molten metal from being affected by imperfect combustion when a used lithographic printing plate is melted as a recyc...
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JP4599991B2 |
To provide a method and an apparatus for manufacturing iron oxide from a pickling waste liquid of steel by spray roasting method. Iron oxide is manufactured by the spray roasting method carried out by blowing a combustion gas containing ...
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JP2010216743A |
To provide a manufacturing device and a manufacturing method for molten materials, excellent in suppression of emission of carbon dioxide and heat efficiency.This manufacturing device 1 and the like for molten materials has a burner 3 fo...
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JP4542501B2 |
To obtain both of compactness and high heat-conductive efficiency of a preheating apparatus by orderly and closely charging a large quantity of mainly press-formed scraps on the furnace hearth in a rotary hearth furnace. The preheating a...
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JP4539417B2 |
To provide a disposal method and a disposal device for stably supplying combustible waste to a calcining furnace for cement production to carry out mass disposal. In this disposal method of combustible waste, disposal of combustible wast...
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