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JP2000355711A |
To provide an inexpensive method for suppressing the elution of fluorine by which the whole of slag is not solidified by mixing molten slag with one or more kinds among silica, a silica-magnesia series material and a manganese ore as a m...
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JP3119786B2 |
PURPOSE: To surely promote the aging of a steelmaking slag at a low cost by adding a dried silica-base substance and an alkaline soln. to the steelmaking slag and/or a molten iron pretreating slag before aging. CONSTITUTION: Before, whil...
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JP2000351979A |
To provide an easily operable safe process for the gasification treatment of waste material to produce a low-BTU gas or medium-BTU gas useful as a fuel gas for power-generation or industrial use and raw material for chemical industry in ...
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JP2000346337A |
To effectively seal a lower end of a slag discharge duct in a water tank by lengthening a lower end of a sealing duct provided to surround the discharge dust so as to extend down from the lower end of the discharge duct.The rotary kiln s...
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JP2000329478A |
To secure clean molten metal that does not contain any impurities by using a skimming agent that is made of a granular body with a specific particle diameter of expandable volcano eruptions with a silicon oxide content where alkali metal...
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JP2000319047A |
To completely prevent the elution of Cr6+ from the molten slag which contains the chromium oxide generated at the time of refining of stainless steel and has basicity within a specific range and to effectively utilize the slag as roadbed...
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JP3109524B2 |
PCT No. PCT/EP95/04495 Sec. 371 Date Jun. 11, 1996 Sec. 102(e) Date Jun. 11, 1996 PCT Filed Nov. 15, 1995 PCT Pub. No. WO96/16306 PCT Pub. Date May 30, 1996This invention concerns a grate plate arrangement for step grates wherein a plura...
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JP3110198B2 |
PURPOSE: To improve discharge efficiency of steel making slag by loading a slag box housing the stag granulated by water cooling therein on a travelling carrier, carrying the carrier to a chute, inclining the slag box to a slag-receiving...
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JP3107675B2 |
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JP3107934B2 |
PURPOSE: To obtain molten slag of urban garbage incineration ash, which contains an extremely small amount of iron and a desired amt. of Na2O and K2O. CONSTITUTION: A slag discharge port 7 is provided to the wall of the intermediate part...
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JP2000309827A |
To use aluminum ash or waste plastics as a useful auxiliary agent by containing a specifified ratio or higher of the waste plastics or various kinds of plastics as a binder into powdery or granular steelmaking material and solidifying. T...
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JP3107241B2 |
PURPOSE: To lower the viscosity of molten slag and raise its fluidity and make the slag discharge smooth by adding iron oxide to the incineration ash in the disposal of city refuse incineration ash by melting the same. CONSTITUTION: In t...
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JP3103446B2 |
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JP3098386B2 |
PURPOSE: To safely form pollution-free slag at a low cost secondarily useful as an aggregate in a building material by sufficiently melting a treated material because the temperature in a furnace is maintained at a high temperature. CONS...
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JP2000281400A |
To provide a safe and efficient production system by providing a kiln chamber, a burner having a fuel inlet, an oxidizing agent inlet and an outlet and a clinker cooling device and fluid-likely communicating then with each other to impro...
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JP2000274959A |
To facilitate the discharge of dross cake by raising the strength of a slit die which is so arranged as to receive and compress aluminum dross and separate the contained metal. In an object which is so arranged as to accept aluminum dros...
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JP3091161B2 |
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JP3089620B2 |
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JP2000226284A |
To subject molten pig iron to the desulfurization treatment simultaneously with producing a citric soluble potash fertilizer by using desiliconized slag on the molten pig iron. This production process of citric soluble potash fertilizer ...
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JP2000212633A |
To quickly and economically execute desulfurization by adding a slag-reforming agent into converter slag at the steel tapping time and reforming the slag composition having specified ratios or more of Al2O3 and CaF2 and specified ratio r...
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JP2000180073A |
To suppress elution of fluorine at the time of reuse without requiring a long term waiting of natural elution or reduction of fluorite being used as a slag making material by crushing a steel making slag into required size and spraying n...
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JP2000140800A |
To obtain a low or medium calorie gas at a high thermal efficiency through an easy operating manipulation by combining a fluidized layer gasification furnace for gasifying a waste at a low temperature with a melting furnace for gasifying...
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JP2000503377A |
The invention concerns a delivery device comprising a housing (1) into which opens the delivery pipe (2) of a low temperature carbonization drum (3). A residue-delivery shaft (7) emerges from the housing (1) and opens into a conveyor dev...
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JP3021946B2 |
PURPOSE: To improve the pulverization efficiency of a high-temp. steel making-slag by maintaining the pressure of the steam generated at the time of spraying water to the slag in a hermetic container and pulverizing the slag by a hydrati...
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JP2000074575A |
To provide an apparatus for removing oxide scale deposited on a floor of a heating furnace. The apparatus for removing deposited oxide scale in a heating furnace comprises a self-traveling truck 1 having a revolvable base 2, a scale remo...
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JP3018330B2 |
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JP3017532B2 |
PCT No. PCT/SE91/00305 Sec. 371 Date Oct. 20, 1992 Sec. 102(e) Date Oct. 20, 1992 PCT Filed Apr. 29, 1991 PCT Pub. No. WO91/17391 PCT Pub. Date Nov. 14, 1991.A method is provided for cooling of particulate material from a combustion plan...
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JP3014060B2 |
PURPOSE: To exactly detect the wear of a water granulated slag discharge valve. CONSTITUTION: Conductive rubber 7a or conductive core wire is made to exist in the throttling part of cylindrical pinch rubber 2 and a current detecting term...
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JP2000018554A |
To increase a ratio of a particle-like slag to be mixed within a water- granulated slag by cooling the slag by holding a water temperature in a water tank in a specific range, and obtaining the particle-like water-granulated slag. A temp...
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JPH11335718A |
To provide a method for using a magnesia base waste brick for a part of slag-making agent instead of a light burnt dolomite to protect the magnesia base brick for lining a steelmaking refining furnace. A magnesia base waste brick is frac...
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JPH11325446A |
To reduce consumption of thermal energy upon temperature rise in an ash melting furnace and shorten the time required form the temperature rise, and even upon stationary operation restrict thermal energy loss and hence effectively melt a...
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JP2973198B2 |
To manufacture inexpensively a sound insulating material having the optimum sound insulating characteristic and permit the recycling of natural resources, thrown away wastefully conventionally, by a method wherein a useful metal is taken...
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JPH11292578A |
To produce a low heat generating type concrete admixture containing a large amt. of β-C2S for a large-scale structure from a dephosphorized slag in a steel making process which is not effectively used. Silica (SiO2) is added to an isola...
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JP2964074B2 |
To produce a weight material having a high specific weight from a magnetically attracted material by a method wherein part of water-granulated matters obtained by subjecting the magnetically attracted material to a melting process is sep...
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JP2961469B2 |
The invention relates to a grid rod (8) for the construction of a grid, comprising two side webs (12, 14) arranged at a spacing from one another as well as, arranged one behind another between these side webs in the longitudinal directio...
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JPH11269558A |
To stably use a cooling roll for a log time by providing a soft layer which is high in heat conductivity and whose apparent Young's modulus is specified on an outer circumferential surface of the cooling roll to ensure the uniform coolin...
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JPH11248370A |
To cool clinker down to a specific temperature without allowing a grate to suffer from burning damage in a short time. In a cooling device P of a cement clinker, a fixed grate is combined with a movable grate in steps, a group of grates ...
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JPH11246906A |
To provide a protecting method of a lining refractory which forms a slag coating layer on the surface of the lining refractory at the whole necessary position in a mixer car. A lance 4 is inserted from a furnace opening part 3 of a mixer...
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JPH11246243A |
To provide a thermal conversion method and thermal conversion apparatus capable of softly and cost effectively converting residues to a solid and off-gas. In the thermal conversion method for the residues for forming the solid and the of...
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JPH11230535A |
To maintain the normal operation of a mold conveyor by removing an air cooled slag accumulated at a lower position of the mold conveyor. In this molten slag treatment apparatus 1 which comprises a housing 3 connected to a molten slag sho...
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JPH11228193A |
To provide new applications other than applications for reclamation and to inexpensively provide molten iron pretreatment slag at a reduced running cost without requiring a large equipment investment. The molten iron pretreatment slag 2 ...
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JPH11198708A |
To provide a loading vehicle which can clean and remove the thing on a load-carrying platform easily and quickly. When the carried goods 25 is moved by the turning of a boom 12, load-carrying platform 7 is turned downward by the operatio...
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JP2597921Y2 |
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JP2922077B2 |
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JPH11181508A |
To provide a heat recovering equipment with which the constant generating power is obtd., in molten blast furnace slag. In the heat recovering equipment in the molten blast furnace slag which is attached to a device for producing granula...
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JP2916686B2 |
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JPH11118133A |
To crush slug to sizes small enough to be charged into a crusher when the slug is discharged from the ladle. A protrusion 10 for promotion of a crush of slug is formed on an inner surface 71 of a bottom plate 7 of a ladle 6 for slug to r...
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JP2879657B2 |
Cooling hot bulk material (I), esp. cement clinker, comprises gasification of fuel with water vapour, the enthalpy (Q) required for the gasification reaction being supplied by the hot material (I). Also claimed is: (i) a process for the ...
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JPH1182984A |
To enable the slag port of a waste melting furnace, to which damage or clogging are hard to be caused, and its stable operation for long hours, by circulating a refrigerant having the higher cooling ability in a space which is located ou...
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JP2873178B2 |
PURPOSE: To provide a method for aging steel mill slag on an industrial scale to a product applicable as a roadbed material by artificially swelling steel mill slag with steam in a short time, provide an apparatus for the aging method, p...
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