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JP6037943B2 |
To provide a CrO-containing slag treatment method enabling the CrO-containing slag to be treated so as to satisfy soil environmental standard by preventing elution of hexavalent chromium.The CrO-containing slag treatment method comprises...
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JP6036552B2 |
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JP6031818B2 |
To avoid granulation caused by a water granulation treatment or an air granulation treatment, and to prevent powdering without adding a boron compound, when cooling stainless steel slag.In a method for cooling stainless steel slag, the s...
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JP6024551B2 |
To provide a water granulated slag production apparatus which can control so as to change the particle size of the water granulated slag even during operation, and to provide a method for controlling the particle size of the water granul...
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JP6020262B2 |
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JP6015335B2 |
To provide a magnetic separation method that can separate ferromagnetic particles with high concentration, even if using a dry type magnetic separator, when magnetically separating the ferromagnetic particles from powder and granular mat...
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JP6015593B2 |
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JP5998845B2 |
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JP2016528461A |
The present invention relates to a granulation facility (10) for granulating a melt produced in a metallurgical plant. This equipment includes a water injection device (20) that injects granulated water into the flow of the melt (14) to ...
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JP5988682B2 |
To modify electric arc furnace-reducing slag at low cost and in a simple manner.In a method for modifying electric arc furnace-reducing slag produced in a steel-making process of continuously casting molten steel through an oxidizing ref...
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JP5983537B2 |
To provide a method for easily and inexpensively removing a sulfur component from sulfur-containing slag with high efficiency.This treatment method for removing sulfur in slag comprises: preparing a blast furnace smelting water that is b...
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JP5970354B2 |
To provide a reduction treatment device for molten slag capable of increasing treatment efficiency of slag by gradually feeding molten slag containing valuables into a slag treatment furnace from a slag charging furnace.A reduction treat...
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JP5953919B2 |
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JP5949574B2 |
To obtain slag solidified in such a shape as to yield slag aggregate having a proper shape and a proper grain size distribution after crushing at a low cost, without increasing the solidification thickness of slag beyond necessity.Differ...
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JP5949575B2 |
To provide a heat recovery system and a heat recovery method for solidified slag, which can easily recover sensible heat from solidified slag.Different rugged shapes are separately provided to the upper and lower surfaces of solidified s...
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JP5942427B2 |
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JP2016102054A |
To provide a slag granulation water treatment method which prevents adhesion of scale to piping for transferring slag granulation water to reduce the frequency of physical scale removal operation when granulation water used for granulati...
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JP5927274B2 |
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JP2016094630A |
To provide a sintered ore cooling device capable of efficiently cooling the center of a deposition tank while suppressing wear.A sintered ore cooling device 1 comprises: an annular shaft 2 receiving sintered ore 100 from the upper part a...
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JP5920206B2 |
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JP5915711B2 |
To provide a recovery method for iron and phosphorus from steel slag that can effectively and individually utilize the phosphorus and the iron recovered as resources while recovering the phosphorus and the iron from the steel slag at low...
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JP5905010B2 |
A method for manufacturing a reconstituted stone raw material by using a molten slag includes: controlling a temperature of the molten slag at 1400°C -1500°C, and performing a cast-molding process on the molten slag; and maintaining th...
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JP2016047957A |
To achieve the reutilization of a steel by-product to a steel making step by effectively removing sulfur from a sulfur-containing steel by-product.Provided is a method for removing sulfur from a steel by-product where a steel by-product ...
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JP2016044102A |
To securely suppress the elution of fluorine from a steel by-product.In a method for suppressing elution of fluorine, when, from a mixture obtained by mixing an elution suppression agent 2 containing calcium into a steel by-product 1 con...
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JP5892143B2 |
To provide a coagulation slag production apparatus that can produce a coagulation slag in which breaking efficiency and a yield are excellent; a production apparatus of a coarse aggregate for concrete; a coagulation slag production metho...
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JP5884166B2 |
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JP5874671B2 |
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JP5866196B2 |
A bulk material cooling device (5) includes a fine grain separating part (102) and a rear-stage cooling part (103) provided downstream from the fine grain separating part (102). The fine grain separating part (102) is configured to feed ...
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JP5862735B2 |
To provide a method of separating iron manufacture slag capable of efficiently separating the iron manufacture slag into iron content and non-iron content in order to recycle the iron manufacture slag produced in an iron manufacture proc...
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JP2016013952A |
To provide a manufacturing apparatus for crystalline molten slag, the apparatus capable of manufacturing crystalline molten slag excellent in mechanical strength with reduced quality variations, and furthermore requiring a small amount o...
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JP5841502B2 |
To provide a steel slag hydration product with which elution of harmful substances such as fluorine, hexavalent chromium or the like is sufficiently suppressed, and of which the bulging is sufficiently suppressed even after a long period...
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JP5833234B2 |
An apparatus for recovering valuable metals and manufacturing multifunctional aggregate from slag. The apparatus includes a slag reforming processing pot 10 in which molten slag discharged from a converter or an electric furnace is store...
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JP5831365B2 |
To provide the aging treatment method of water granulated slag which, when the water granulated slag is produced from waste molten slag, thoroughly hydrates free CaO mixing in the water granulated slag to convert it into harmless Ca(OH),...
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JP5807848B2 |
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JP5805777B2 |
The present invention relates to an apparatus for atomizing molten slag and recovering valuable metals, and more particularly to an apparatus for atomizing molten slag and recovering valuable metals, which enables molten slag of a blast ...
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JP2015189602A |
To modify steel slag at low costs in a short time, without transfer, as it is at high temperatures.Steel slag in a molten state is kept in high-temperature water of 50°C or higher for a specified time to modify it, and the steel slag of...
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JP2015189643A |
To provide a sorting method for steel slag which sorts lumps of steel slag having a low chromium content from steel slag by a simple method.A sorting method for steel slag includes an apparent density sorting step of sorting lumps of ste...
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JP5799104B2 |
A method for manufacturing a foam material by using a molten slag includes: introducing the molten slag into a pool for preserving heat and modifying, wherein a temperature of the molten slag is maintained at 1400°C -1500°C, and adding...
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JP2015178913A |
To provide a device for recovering heat as high-temperature water from high-temperature slag generated in refining metal.A slag heat recovering device 250 is composed of a charging portion 22 for high-temperature slag 21, a water tank po...
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JP5790055B2 |
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JP2015528791A |
The present invention relates to a water-hard binder composition using quenching steel reduction slag powder and a method for producing the same. More specifically, among the by-products generated during iron smelting at a steel mill, th...
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JP2015155568A |
To provide a retort for magnesium heat reduction capable of discarding only the main body when the main body is deteriorated by heating. Since the main body 2 and the head 4 are detachably fastened, if the main body 2 deteriorates, only ...
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JP5756065B2 |
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JP5751823B2 |
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JP5752364B2 |
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JP2015124095A |
To stably manufacture slug having suppressed elution amount of both of Pb and As in both of the Ministry of Environment Notification No.19 in Heisei 15 (content test) and the Environment Agency Notification No.46 in Heisei 3 (elution amo...
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JP5738735B2 |
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JP5738402B2 |
A grid plate for the transporting and cooling of very hot materials leaving a furnace is provided. The plate includes cavities of rectangular shape, the largest dimension being perpendicular to the direction of advance of the materials. ...
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JP5727778B2 |
To provide an electric furnace oxidized slag of a special steel, in which expansion of recycling applications can be achieved by increasing the absolute dry density of the electric furnace oxidized slag of the special steel which is by-p...
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JP5723536B2 |
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