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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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JP4012980B2 |
To provide a movable melting furnace for melting incinerated ash until rendering it detoxified, while moving around the incinerated ash placed at different sites. A melting furnace 5 for giving ash melting to incinerated ash sludge (d), ...
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JP2007529711A |
An apparatus for treating waste includes a vessel and DC and/or AC plasma torches with a variable flame mounted with the vessel. The flames generated by the torches can be adjusted depending on the characteristics of the waste being trea...
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JP3998384B2 |
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JP3997437B2 |
A mounting device for supporting the movable part of a cooling or heating grate, while permitting the movable part to oscillate in the feed direction. The mounting device comprises a plurality of leaf springs connected by transmission me...
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JP3988347B2 |
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JP3982130B2 |
To provide a method of cooling and solidifying molten slag and equipment for it with high operating capacity by which cooled slag can easily be peeled off and thermal energy of the discharged slag can be recovered. In this process where ...
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JP3974808B2 |
A bearing system which is for suspending the swing frame of a conveyor grate in a swinging manner on a support structure. Two elastic spring rods are arranged next to each other in a common plane of swinging. The spring rods have a first...
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JP3970000B2 |
To provide a cooling method for a granulation equipment of molten slag by which the cooling efficiency for the blades of a rotary drum is improved to suppress the wear thereof, so that the frequency of exchanging the blades can be reduce...
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JP3967539B2 |
To provide a cement production process using waste plastics as at least a part of a fuel for a calcination furnace, by which a cement raw material can stably be calcined even when the addition amount of such waste plastics to a fuel stoc...
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JP2007191349A |
To provide a method of precisely adjusting the constituent of water-granulated slag by a simple means. The method of adjusting the constituent of the water-granulated slag comprises: spraying cooling water to molten slag discharged from ...
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JP2007518049A |
The invention relates to a device for cooling bulk materials particularly hot cement clinker, comprising a fixed ventilated cooling grate and moving push elements and having an increased service life. The push elements are embodied in th...
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JP2007161519A |
To provide a civil engineering and building material composed of water-granulated blast furnace slag in which fluorine concentration to be eluted satisfies ≤0.8 mg/L based upon a soil environmental quality standard, and to provide its ...
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JP3927283B2 |
To quickly and surely separate and recovery metallic iron in molten steel slag by pulverizing the molten steel slag produced in steelmaking process after removing coarse grain metallic iron therein and blowing off and removing the fine m...
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JP3927035B2 |
To provide a treatment method for slag which suppresses for a long time the elution of fluorine from a layer bed material produced from steel slag and prevents the condensation of the slag. This method is a stabilizing treatment method f...
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JP3917935B2 |
To provide a comparatively small-sized ash-melting system which can drastically reduce production of greenhouse gas extinguish infectious activity of Bovine Spongiform Encephalopathy (BSE) caused by prion protein in bone meal. The meltin...
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JP2007120844A |
To provide a method of cooling granulation water in an ash melting facility attaining operation at a low running cost because of high cooling efficiency and allowing low-cost installation neither needing a large installation place nor us...
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JP3909478B2 |
To obtain an aged product of coverter slag having an extremely low coefficient of expansion by water immersion of ≤0.5% and stable properties usable for a sub-base of severe quality assurance of product, a material to be embedded in a ...
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JP2007063061A |
To provide a method for aging slag, in which steam passes through the slag smoothly because large gaps are formed between particles of stacked slag; free CaO contained in the vicinity of the center of the stacked slag is easily hydrated;...
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JP3888617B2 |
To quickly raise temperature by improving heating efficiency at heating, and quickly lower temperature by efficiently absorbing residual heat after heating. The heating device has reflecting and heat absorbing plates 18 having a reflecto...
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JP2007045644A |
To convey massive slag while preventing its biting into gaps.The slag conveyor is equipped with a chain 12 installed to circulate and move inside and outside a water tank 7 for carrying out granulated melting furnace slag which is a mixt...
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JP3870132B2 |
To provide a slag granulation plant in the industrial waste melting treatment for reducing costs of equipment and installation, equipment running cost, and maintenance cost by reducing related equipment and piping therefor and setting an...
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JP2007500333A |
The invention relates to a method and an apparatus for cooling a material to be removed from the grate of a fluidized bed furnace. Material at a high temperature is passed from the grate of the fluidized bed furnace into a fluidized bed ...
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JP3866492B2 |
To provide a method for operating a rotary hearth furnace for producing reduced metals capable of preventing or reducing wear of the blade tip of a screw in a discharge apparatus to enable the long term continuous operation and attaining...
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JP3859556B2 |
To secure sufficient compression strength for quick cooling and improved productivity. Constituents are adjusted or a plasma type melting furnace for melting on a base metal is used to set the concentration of Fe2O3 in molten slug to 20-...
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JP3853281B2 |
To provide a granulated slag manufacturing device improving a yield rate of product slag by collecting the granulated molten slag into a rotating cylinder by flying the molten slag by rotating bodies, and improving the workability in mai...
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JP3853280B2 |
To provide a method and equipment for producing a granular slag restraining an expansion collapse and improving the product quality of the granular slag regardless of the throughput of melt slag. In this method, fed melt slag 11 is colli...
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JP2006315907A |
To provide a blast furnace slag aggregate using coal ash, which does not require a large space for cooling slag as in conventional methods, has few pores and is capable of suppressing and preventing occurrence of caking during storage.Th...
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JP3848619B2 |
To develop a novel molten slag cooling method replaced for a molten slag cooling method using water-granulated trough. This molten slag cooling device for a gasification melting system includes a chute through which the molten slag disch...
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JP3847107B2 |
To obtain a slug conveyor attached to a fusion furnace in which even a large mass of slug can be discharged automatically to the outside of a system upon dropping and operation of the fusion furnace, and the like, can be sustained while ...
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JP2006306696A |
To provide a raw material for a siliceous fertilizer which has excellent solubility under a neutral environment and can obtain a siliceous fertilizer less in lime content inexpensively.The raw material for the siliceous fertilizer is sla...
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JP3842658B2 |
To sieve the copper slag having an effective grain size of approximately 1500-3500 μm in a case of using the copper slag as a sand blasting material. This classifying method of the copper slag uses a jumping screen or a special sieving ...
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JP3839331B2 |
To provide a method for disposing of steel making slag with efficient workability, and economically providing slag powder with a target grain diameter. This method comprises: a first step of putting molten slag with a basicity of over 1....
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JP2006290713A |
To provide a waste slag particle group hardly consolidated into a large massive material even when being charged and left as it is in a sea area, eluted in water at pH<9 and free from adversely affecting water system environment and ecol...
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JP3838966B2 |
To close a molten material outlet formed in the bottom of a crucible without causing the movement of the crucible due to knock-up and the change of its attitude. This closing device A having a plug closing tool 20 in a molten material ou...
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JP2006273692A |
To provide a hydrated hardened body containing a reinforcing bar excellent in salt damage resistance capable of being used as a structural member with a long term durability even in the ocean having a severe salt damage environment witho...
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JP2006272213A |
To provide a heavy metal elution prevention method and apparatus for preventing elution of a heavy metal such as Pb from slag discharged out of a waste-melting furnace.Fine particles containing a heavy metal sticking to slag discharged o...
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JP3831594B2 |
To obtain slag, wide in the use range of effective utilization, without enlarging the whole device, in a slag cooling device employed upon cooling treatment of molten slag tapped out of a melting furnace for effecting the melting treatme...
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JP3828895B2 |
To stably treat steel slag such as converter slag, preliminary treated slag or secondary refining slag generated at an ironwork or the like. In a stabilization treatment method of the steel slag, a gas containing gaseous carbon dioxide a...
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JP3828897B2 |
To stably treat steel making slag such as converter slag, preliminary treatment slag or secondary refining slag produced in a steel making plant. The subject method for the stabilization treatment of the steel making slag is characterize...
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JP3830164B2 |
A bed (6; 78) of particulate material, which is supported by a gas distribution bottom (9; 75), is located utilizing a treatment gas, which via ducts (19; 35; 77) is conducted in sectionalized manner to and directed up through the gas di...
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JP3827114B2 |
To provide a method and a device for treating the slag to be generated from a refining furnace in which the equipment cost is relatively inexpensive by arranging a shallow rapid-cooling vessel which receives the slag discharged from an e...
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JP3827916B2 |
To prevent occurrence of a problem of operation stop in treatment equipment by surely detecting discharge failure of molten slag from a melting furnace. An indicator 12 indicates a temperature of cooling water 3, which changes consequent...
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JP3817698B2 |
To provide an anti-solidifying agent for granulated blast furnace slag, which exhibits excellent anti-solidifying effect for a long period of time. The anti-solidifying agent for granulated blast furnace slag contains a polymer containin...
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JP3810522B2 |
To extremely raise removal ratio for contaminant such as phosphate ions, ammonium ions, a BOD component and coliform bacilli by using granular material or pulverized material of slag oxide, which is obtained in an electric furnace at a l...
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JP2006207972A |
To provide a rotary cooler capable of shortening cooling time of granular ash separated from metal slag.The rotary cooler is provided with a pipe body 21 turnably supported on a base 25, a driving device 22 turning the pipe body 21 aroun...
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JP3807491B2 |
To provide a device which is conveyed by a fork lift in safety in a factory of a blast furnace steel manufacturer and the like, receives the melt including a large amount of impurity floating up after stirring and thermally refining the ...
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JP2006199530A |
To provide a method of treating molten slag which has excellent productivity and effective profitability and by which the production of gaseous hydrogen in the mortar or the concrete by the reaction of metal aluminum in the molten slag w...
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JP2006183874A |
To provide a heat treating apparatus capable of performing heat treatment of higher quality by obtaining higher cooling speed, and to provide a method of manufacturing heat treated parts.This heat treating apparatus 1 has a heating means...
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JP3794905B2 |
To provide equipment for slag conveyance of water-spray cooling type in which molten slag discharged from a melting furnace can be sufficiently cooled. The equipment for slag conveyance is provided with the slag conveyor 5 provided with ...
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