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JP5478340B2 |
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JP5473494B2 |
To obtain a modified article of modified steel-making slag suitable for ocean environmental uses enabling to suppress a pH rise and opacity of sea water by a convenient and low-cost method. In the method for manufacturing a modified stee...
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JP2014062301A |
To provide a reduced iron cooling apparatus and a reduced iron cooling method each capable of homogeneously cooling reduced iron based on a simple structure, needing no slide member from a constitutional standpoint, demanding a housing v...
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JP5467939B2 |
To provide a treatment method which can effectively use steel slag.The method for treating steel slag includes stirring steel slag in an organic acid solution followed by solid-liquid separation to recover a high iron content substance h...
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JP5444883B2 |
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JP5440957B2 |
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JP5440443B2 |
To recycle ladle slag having basicity of ≥2 as a resource for civil engineering works, wherein the ladle slag can be handled without inducing any environmental problems associated with pulverization of the slag, does not adversely affe...
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JP5442340B2 |
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JP5432809B2 |
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JP5434205B2 |
To provide an effective method for reusing a converter slag which contains 5.0 mass% or more by mass concentration of free CaO and is not suitable for being converted to a roadbed material. When producing molten steel by blowing molten p...
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JP5413542B1 |
This device (1) for manufacturing solidified slag has a plurality of metallic molds (5), each having a recess (5a) into which molten slag (3) is poured, and manufactures solidified slag (18) by solidifying the molten slag (3) that has be...
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JP5413742B2 |
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JP5407337B2 |
To provide a processing method for reducing slag, which can render the reducing slag harmless without subjecting the reducing slag to such a special processing as to add a detoxifying agent to the reducing slag or reduce processing effic...
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JP5402383B2 |
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JP2014500213A |
Provided are an ultra-rapid hardening hydraulic binder including reduced slag powder and a method of preparing the same. The reduced slag powder is prepared by rapidly cooling molten electric arc furnace reduced slag, among by-products g...
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JP5381357B2 |
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JP5370707B2 |
Disclosed is a method and apparatus for recovering valuable metals from slag and manufacturing multifunctional aggregate, wherein a reductant is fed into molten slag discharged into a slag pot or a slag reforming pot from a converter or ...
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JP5367648B2 |
To provide a noble metal adsorbent which uses magnetite in slag produced in copper smelting as a raw material, and to provide a method for producing the same.The method for producing the noble metal adsorbent includes providing slag prod...
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JP5357962B2 |
A device for recovering heat of molten slag, having a simple structure and high heat recovery efficiency. The device includes: a fluidized bed (3) formed of a fluidized bed material (32) composed of a crushed solidified slag; a slag pool...
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JP5356699B2 |
To provide a thermally decomposing treatment system capable of suppressing deposition and solidification of plastic in a thermally decomposing device without separately preparing a deposition preventing medium such as sand when subjectin...
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JP2013234111A |
To provide a method for suppressing elution of selenium from steel slag containing sulfur and selenium.A method for suppressing elution of selenium from steel slag includes a selenium elution suppression step in which steel slag containi...
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JP5338095B2 |
To provide a method for cooling slag in which sufficient slag cooling rate to ensure slag quality is obtained, and waste water of refrigerant origin is not produced or the amount of waste water can be extremely reduced. The slag is coole...
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JP5332651B2 |
The invention provides a method for recovering (collecting) iron and phosphorus from steelmaking slag, which includes a first step in which phosphorus-containing steelmaking slag such as dephosphorization slag is reduced using a reducing...
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JP5327184B2 |
To provide a steelmaking slag which is fully carbonated to the interior thereof and usable for civil engineering applications and marine applications for which the slag is pulverized after the stabilization treatment. A gas containing ca...
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JP5326622B2 |
To efficiently solidify and dry reduced slag in a solidifying apparatus for solidifying and drying the reduced slag discharged from a steel making process. The solidifying apparatus 10 includes: a vertical cylindrical treating tank 12 ha...
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JP5321845B2 |
To provide equipment which when steel slag is crushed and sized, efficiently removes and classifies fine powder sticking to a steel slag surface.Wet classification equipment for steel slag includes wet sieves 14, 16 for classifying crush...
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JP5319964B2 |
The present invention is to provide an air supply apparatus used for cooling hot grain/lump material such as sintered ore, a pellet and hot clinker, the air supply apparatus, and a cooling facility for hot grain/lump material provided wi...
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JP5309740B2 |
To restrain production of CO gas caused by the reaction of carbon in granulated iron, to improve strength of slag after melting and refining processing, to reduce unit consumption of fuel in melting and refining processing and to increas...
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JP5303977B2 |
Disclosed is a method for aging steel slag or the like efficiently in a short time at a low cost. A method of processing slag comprises a step (A) for spraying water to high-temperature slag such as steel slag, and a step (B) for aging t...
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JP5286880B2 |
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JP5281315B2 |
To provide a slag solidification determining device, a slag solidification determining program and its method capable of automatically determining a proper ignition time period of a melting burner without affected by flame and combustion...
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JP5267097B2 |
To provide a method for manufacturing reduced-iron and an apparatus for cooling the reduced-iron pellet capable of achieving low facility cost by cooling the pellet reduced in a rotary hearth type reducing furnace at comparatively short ...
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JP2013144292A |
To provide a method capable of suitably reducing hexavalent chromium even for a substance containing powdered chromium oxide which is small in grain size.In the method, a substance containing reductive sulfur is mixed with a substance co...
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JP2013139596A |
To provide a method and system for efficiently recovering heat from molten slag generated in a blast furnace.The molten slag M generated in the blast furnace is fed into a mold 11 to cast a plate-like solidified slag S. The solidified sl...
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JP2013133954A |
To equalize inclinations of factors that affect a cooling performance, even if the factors are varied in a direction perpendicular to a transportation direction.A bulk material cooling device 4 includes multiple rows of movable floors 20...
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JP2013527881A |
A compressing element, devices for using such a compressing element and methods of use are provided, in which the compressing element has: a upper surface provided with an inlet and an outlet; a lower surface; an at least partially hollo...
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JP5229690B2 |
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JP5229688B2 |
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JP5215168B2 |
A Method for the recovery of the secondary metallurgy (LF) slag from a plant for the production of steel, the method comprising a cooling step of the slag, by means of the passage of air and/or other gas, a breakdown step, a step of extr...
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JP5205262B2 |
The invention provides a process for conversion of basic oxygen furnace slag into construction materials like hydraulic binder in masonry blocks, flat sheets, bricks and tiles and also as a blend in cement manufacture or as in mortar for...
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JP5200442B2 |
To provide a steelmaking method capable of controlling the generating quantity of reducing slag by using slag-making material wherein the reducing slag is treated, in steelmaking. The reducing slag 1 generated in the reduction refining i...
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JP5191861B2 |
To stably produce slag for a cement raw material having low chromium concentration and favorably having high hydration reactivity from steelmaking slag. A reducing material is added to the steelmaking slag containing a chromium oxide, ha...
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JP5171493B2 |
To provide a technology for producing a solidified body of steel-making slag, whereby elusion of fluorine from the slag-solidified body composed mainly of fluorine-containing steel-making slag is suppressed, producing the slag-solidified...
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JP5163004B2 |
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JP5157557B2 |
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 oxidi...
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JP5154405B2 |
Granulating slag comprises allowing finer slag sand to settle by sedimentation in a settling basin (5) and feeding the deposited finer slag sand directly to a dewatering region of a screw conveyor (4a) of a further settling basin (4c). A...
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JP5144937B2 |
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JP2013028520A |
To extract sulfur from sulfur-containing slag in a short time without carrying out high temperature treatment, to separate and remove sulfur from hot metal desulfurization slag, and to recycle the slag thereof.At least one kind of slag s...
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JP2013029251A |
To provide a radiation type cooling device and a method for manufacturing reduced iron which fundamentally has no need of the periodic replacement work of parts.A radiation type cooling device 100 is characterized by being provided in a ...
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JP5135552B2 |
To provide a method for producing steel slag for water area sinking, which method facilitates the application of steel slag with a high sulfur content and with a conventionally difficult application, into water area by rapidly curtailing...
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