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JP2009126748A |
To provide a treatment method for slag by which a high-temperature CaO-containing slag can be cooled without producing alkali water, and can be carbonated simultaneously, and also the scattering of dust can be suppressed.The high-tempera...
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JP4273614B2 |
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JP2009114023A |
To provide a method of treating steelmaking slag produced by a molten iron pretreatment or a decarburization treatment, by which iron or valuable metals are recovered from metal oxides, a reaction to reduce f-CaO is prompted and generati...
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JP4267488B2 |
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JP2009109191A |
To provide an air and water conveyor/cooler for hot loose materials such as heavy ashes produced by boilers or ashes and slag produced in various industrial processes of burning and baking.The air and water conveyor/cooler for hot loose ...
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JP4262438B2 |
To provide a method of treating granulated blastfurnace slag which can sufficiently exhibit the effect of preventing hydration reaction and the effect of preventing solidification. Granulated blastfurnace slag is treated by allowing a ca...
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JP4252883B2 |
To provide a new method for producing high carbon ferrochrome air granulated slag. High carbon ferrochrome molten slag comprising 6 mass% or less of Cr2O3, 20-40 mass% of MgO, 20-40 mass% of Al2O3, 25-45 mass% of SiO2, and 1-5 mass% of C...
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JP4227221B2 |
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JP4223953B2 |
The invention relates to a melt launder ( 1, 9, 10 ) comprising a bottom and edged, said melt launder being particularly meant to be used for tapping a molten phase, such as slag, from a smelting furnace, which melt launder is manufactur...
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JP4216160B2 |
To provide an industrial waste treatment plant in which industrial wastes W1, W2 containing metals is introduced into and melted in a rotary kiln type melting furnace 2 and molten metals M can be recovered separately from slag S. The pla...
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JP2008308754A |
To provide a sulfer removal method for a used slag, by which the steelmaking excellent in quality can be performed by reusing the used slag increased in sulfur content as the desulfurizing slug satisfactory in desulfurizing capacity.In t...
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JP2008308398A |
To efficiently cool molten slag having relatively high basicity and viscous property.In the cooling of the molten slag having basicity of 2, the molten slag is supplied between the upper part outer peripheral surfaces of a pair of coolin...
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JP4197909B2 |
The double-walled noble metal duct ( 1 ) for conducting a glass melt has an outer noble metal pipe ( 1 b) and an inner noble metal pipe ( 1 a) extending within the outer pipe, so that an inner space ( 21 ) is formed within the inner pipe...
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JP4194970B2 |
To provide a waste disposal system using a fluidized bed furnace capable of stably thermally reacting wastes in the fluidized bed furnace without requiring crashing as pre-treatment of the wastes supplied to the fluidized bed furnace. Th...
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JP4189326B2 |
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JP4187453B2 |
To provide a potting method of high temperature molten slug for restraining melting damage of a slag pot, facilitating recycling of the potted slag, and restraining reduction in molten slag processing efficiency. A processing method of m...
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JP2008273772A |
To provide a method for manufacturing and a manufacturing apparatus for white blast furnace slag particles by a dry granulation method that does not require a complicated step such as mixing sub source materials.The method for manufactur...
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JP4179122B2 |
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JP2008239453A |
To provide a cooling method of desiliconization slag for effectively suppressing elution of fluorine from a slag product by treating a desiliconization slag containing fluorine at a low cost.When cooling the siliconization slag discharge...
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JP4159932B2 |
To provide a thermal decomposition system smoothly performing residue discharge operation, easy in maintenance, and advantageous to cost. A residue discharge control means 33 fully opens only an upper damper 15 for a prescribed time, whe...
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JP4153782B2 |
To provide a dehydration apparatus for granulated slag slurry which efficiently dehydrates the granulated slag slurry with simple mechanism. The dehydration apparatus for the granulated slag slurry is provided with a rotatable gate valve...
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JP2008202862A |
To provide a leakage dust treating device, which inexpensively treats leakage dust leaking out of a front wall part without requiring much manpower.This leakage dust treating device has a discharge port 16 for downward discharging the le...
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JP4134389B2 |
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JP4133318B2 |
The present invention provides a method of desulfurizing hot metal, which method utilizes desulfurization slag resulting from a KR hot metal desulfurizing treatment as a desulfurizing agent for hot metal again to reduce hot metal desulfu...
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JP4123045B2 |
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JP2008163391A |
To effectively use a lime content in a reducing slag as a slag-making material, by decreasing a sulfur content in the reducing slag.This treatment method includes blowing steam into the reducing slag in a treatment pit in a treatment fac...
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JP4109716B2 |
Grate plate for the push-type grate of a clinker cooler, which has a topside bearing surface exposed to the hot material to be cooled. The grate plate including a rear region having devices for connection to a grate-plate carrier, such t...
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JP4102668B2 |
A method for treating a raw steel plant slag to transform it into a hydraulic binder at least equivalent to a Portland cement clinker, comprises the following steps: oxidizing treatment with input of oxygen, air or a mixture thereof at a...
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JP2008133981A |
To increase the SiO2 concentration of molten slag while simplifying facilities and reducing a treatment cost.This method of manufacturing molten slag wherein pyrolyzed gas and combustion components of pyrolyzed residue produced by pyroly...
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JP4100758B2 |
To provide a low-oxidizing induction hardened article excellent in quality by efficiently making a chamber in a low-oxygen condition with small feeding amount of inert gas to reduce the surface roughness of a hardened surface in a induct...
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JP2008121958A |
To provide a slag solidification system having excellent treating ability in a small space.The slag solidification system for solidifying slag discharged from an electric furnace 2 comprises a tilting device 6 tilting the electric furnac...
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JP2008120607A |
To quickly modify and process steel slag, immediately after generation, to the state which can be used as valuable raw materials while processing in a favorable forms and conditions in environmental aspects.The method for processing stee...
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JP4084530B2 |
To provide a magnetic permeable material which has permeability and shielding properties against radiation and electromagnetic wave and can shield electromagnetic waves and radiation and to which various things can be fixed with magnets....
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JP4083434B2 |
To provide an inhibitor for the dusting of steel making slag which can suppress the dusting of steel making slag with a low boron content. The inhibitor essentially consists of a magnesium-containing compound to be a feed source of magne...
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JP2008094715A |
To provide a method of preventing the elution of a heavy metal such as Pb from the slag discharged from a waste-disposal melting furnace, and an apparatus therefor.The elution of a heavy metal from the slag discharged from the waste-disp...
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JP4077718B2 |
To provide a melt treatment facility in waste melt treatment which refines high-quality molten slag at low facility costs, construction costs and maintenance cost. In the melt treatment facility, one granulation pit 2 is installed for po...
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JP4076854B2 |
To provide a new device for removing a stuck material adhered to the inner wall of a ladle which can be efficiently and safely removed. The device for removing a stuck material adhered to the inner wall of the ladle is provided with a st...
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JP4072425B2 |
To cool water in a water tank located just below a slag discharge part in an ash melting furnace. A cooling water jetting nozzle is fitted into a slag discharge tube. The temperature of water in the slag discharge tube is prevented from ...
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JP4073500B2 |
A cooler for cooling particulate material which has been subjected to heat treatment in an industrial kiln, such as a rotary kiln for manufacturing cement clinker, which cooler comprises an inlet, an outlet, end walls, side walls, a bott...
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JP4073916B2 |
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JP2008068156A |
To provide a method which treats slag obtained by a high-temperature treatment of waste as it is raw to allow a molten lead salt to elute from the slag, and enables a decrease in lead content of the slag in an ash melting furnace.In an e...
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JP4059864B2 |
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JP4045128B2 |
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JP2008025934A |
To provide a method of producing a desiliconized slag rough mineral concentrate which is an inexpensive iron source for obtaining molten iron by being charged with iron ore into a blast-furnace.The method comprises drying a desiliconized...
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JP4027744B2 |
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JP4028036B2 |
The process involves operating an initial section (6) of the conveyor grid at a lower feed speed than that of the neighbouring grid sections (7,8). The transported good is decelerated in parts the slow section of the conveyor grid. After...
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JP4026531B2 |
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JP4022619B2 |
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JP2007320789A |
To provide a device for controlling outflow of molten glass, which can stop outflow of the molten glass regardless the size of the inner diameter of each molten glass outflow pipe or even in a glass melting furnace having a large-sized m...
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JP4017403B2 |
To provide a system for manufacturing sand capable of recovering a useful metal from a crushed slug of waste melting slug maked from a shredder dust and an industrial waste as a material and obtaining a crushed slag suitable for construc...
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