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JP2010195663A |
To provide a clinker cooler in which the phenomenon that cement clinker falls therefrom is prevented by reducing the insufficiency of high temperature strength, the progress of sulfide corrosion or the like in the pusher of the clinker c...
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JP4540350B2 |
To provide a method of treating slag containing a chromium oxide for easily treating hexavalent chromium in the slag containing the chromium oxide while preventing the generation of drain containing hydrogen sulfide or sulfur. The slag c...
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JP4510869B2 |
An anticaking agent for an iron and steel slag contains (A) at least one member selected from a phosphonic acid derivative and a salt thereof and (B) at least one member selected from an aliphatic hydroxycarboxylic acid and a salt thereo...
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JP4515214B2 |
To provide a method for treating molten slag capable of efficiently utilizing the slag by efficiently eliminating or detoxifying aluminum contained in the molten slag. Solidified materials 19 are prepared by solidifying by water granulat...
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JP2010138053A |
To provide a method of reducing the fluorine elusion in a slag mixture with the environmental consideration to use the steel making slag which has high fluorine content or fluorine elusion as a paving material or a civil engineering mate...
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JP4483435B2 |
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JP2010095793A |
To provide a method for using a desulfurized slag for secondary-refining molten steel again as desulfurizing slag raw material by removing sulfur content in the desulfurized slag with which as the actual condition, the desulfurized slag ...
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JP4455233B2 |
To provide a pyrolysis apparatus which can exhibit maximum throughput capacity of waste treatment and safely and stably treat pyrolysis residues. This pyrolysis apparatus 1 for pyrolyzing waste is provided with: a pyrolysis furnace 7 for...
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JP4436153B2 |
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JP4434752B2 |
An ash melting system of the present invention includes a slagging combustion furnace ( 10 ) for melting ash into molten slag; and a slag separating apparatus ( 50 ) for bringing the molten slag ( 121 ) discharged from the slagging combu...
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JP4427457B2 |
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JP4427370B2 |
To provide a method for reforming chrome ore melting reduction furnace slag capable of drastically reducing the load of crushing and eliminating the problem of boron elution from the Cr ore melting reduction furnace slag by recycling the...
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JP4421158B2 |
A heat generating part (1) of semiconductor manufacturing equipment is cooled by cooling water. An inner fluid passage (21) having an inlet port (31) of the cooling water on a vertically lower portion thereof is formed so as to surround ...
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JP4418489B2 |
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JP4418490B2 |
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JP2010025492A |
To provide a rotation type cooling device for dry cooling, small and excellent in cooling operation, and allowing maintenance of a severely damaged inlet part to be easily carried out in a short time for increasing operation rate.In the ...
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JP4407440B2 |
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JP4406328B2 |
To provide a granulating method by which the mass per unit volume is controlled without making the surface of slag sharp and crushing the slag into fine particles in the manufacture of fine aggregate for concrete from the granulated blas...
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JP4402760B2 |
The grate speed is controlled dependent on the bed thickness of the material being cooled and the resistance to flow through the bed within an initial zone of the cooler.
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JP4403055B2 |
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JP4388482B2 |
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JP4389833B2 |
To provide a method and equipment for treating cooling water, in each of which when a part of the cooling water of a cooling water circulation system for using cooling water circularly is withdrawn and new cooling water is replenished, t...
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JP4388259B2 |
To provide a method of manufacturing blast furnace slag fine aggregate adapted to JIS standard at a low cost by properly crushing blast furnace water-granulated slag. The method of manufacturing the blast furnace slag fine aggregate is p...
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JP4387659B2 |
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JP2009287887A |
To provide a technique of cooling reduced iron agglomerate, for increasing a feed speed of the reduced iron agglomerate being a cooling reception object compared with a conventional one without increasing a rotational frequency of a drum...
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JP4373965B2 |
A method for processing of copper smelter slag, which reduces elution of arsenic, cadmium, lead and the like from copper smelter slag, is provided. In a process of water-granulating slag in copper smelting, a method for processing of cop...
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JP4367330B2 |
To prevent powdering when solidifying high basicity slag with 1.3 or more CaO/SiO2into spherical particles. Molten slag with 60 mass% or less CaO, 5 mass% or more SiO2, and basicity (CaO/SiO2) of 1.3-6.0 is caused to vertically flow down...
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JP4367768B2 |
To provide a combustion method and combustion equipment for efficiently supplying and burning woody biomass fuel to and in a combustion system by restraining crushing motive power. A coal burning boiler system is provided so that the who...
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JP4357716B2 |
To provide a method and an equipment for producing a slag to be advantageously reused by improving the characteristics and the economical values of the slag and metal. The method and the apparatus for treating the molten slag of the wast...
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JP4357981B2 |
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JP4353706B2 |
To provide a method for producing fine-grain well-shaped air-granulated slag by using compact equipment and to provide method for producing air-granulated slag in a high heat recovery efficiency. A gas stream is blown into molten slag L ...
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JP4351547B2 |
The grille plate (ventilating element) contains at least one aperture (1.1) for cooling gas to enter a bath-shaped component (1), and an insert forming a resting surface for the friable material, which can be ventilated from below. The i...
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JP4353490B2 |
To provide a cleaning apparatus for contaminated soil including volatile organic compound which allows the treated soil which is easily handled by subjecting the contaminated soil to cleaning treatment. A rotary kiln 1 for heating which ...
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JP2009227493A |
To modify the properties of slag produced in a refining process or the like so that the slag has properties hardly causing powdering or moisture expansion without forming the slag into a spherical shape like air granulated slag.An oxidiz...
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JP2009227495A |
To granulate slag produced in a refining process to slag which has a relatively irregular shape and is amorphous or low in crystallinity without crushing it with a crusher or the like.Particulate matter is blown toward slag in a molten s...
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JP2009227499A |
To provide an apparatus for cooling molten slag capable of efficiently cooling the molten slag and having excellent durability.The apparatus for cooling molten slag comprises a rotatable horizontal-type cooling drum through the inside of...
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JP2009227496A |
To provide a cooling method in which even a relatively small amount of refrigerant can efficiently cool a molten slag and slag sensible heat can be efficiently recovered via the refrigerant, using a cooling apparatus of a cooling drum ty...
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JP2009228933A |
To provide a cooling treatment method capable of efficiently cooling molten slag with a comparatively small amount of a refrigerant, and efficiently recovering sensible heat of the slag through the refrigerant by using a cooling drum typ...
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JP4330204B2 |
A raw-material heating apparatus in which raw-material supplying pipes and exhaust pipes are disposed in a peripheral portion of a furnace cover, a heating space is formed by the furnace cover, a peripheral wall, and a hearth, a raw mate...
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JP2009204232A |
To provide a device capable of recovering much sensible heat of a fusion blast furnace slag as high temperature gas while preventing refusion of slag particles.In this device for recovering heat from the fusion blast furnace slag compris...
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JP2009204231A |
To provide a device capable of recovering much sensible heat of a fusion blast furnace slag as high temperature gas while preventing refusion of slag particles.In this device for recovering heat from the fusion blast furnace slag compris...
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JP2009204272A |
To provide a pH forecasting method to forecast pH of the seawater increased by Ca2+ eluted from slug when the slug is charged in the seawater and a preparation method of slug based on a pH forecast result so as not to make the seawater c...
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JP4328288B2 |
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JP4328215B2 |
To treat steelmaking slag in high productivity with reduced CO2emission to form a treated product reduced in expansion, weathering, and alkali elution. The method for treating steelmaking slag comprises carbonating steelmaking slag with ...
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JP4318534B2 |
To provide a method for processing fly ash using blast furnace slag by which slag products having a homogeneous composition can be produced as the occurrence of splash is controlled and a large quantity of the fly ash can be injected and...
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JP4321823B2 |
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JP4320917B2 |
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JP4313519B2 |
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JP4310121B2 |
To provide an apparatus for preparing water-granulated slag which crushes slag to round off sharp corners and decrease the amount of needle-like slag and simultaneously classifies slag. The preparation apparatus has a water-granulating c...
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JP2009132546A |
To produce a granular slag having a quality equal to that of a water-granulated slag, and to recover the slag sensible heat at a high temperature.In a method for producing a granular slag by gas-atomizing a molten slag and at the same ti...
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