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JP54110972 |
PURPOSE: Dried material is distributedly charged into a floating type heat exchanger, thereby adjusting the temperature of introduced exhaust gas from the heat exchanger into the dryer to a selected temperature, whereby the resultant eff...
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JP54049998 |
PURPOSE: To provide an energy-conservative no-pollution type quick lime producing apparatus with low NOx and low SOx which can be run continuously over a long term by combining a suspension preheater equipped with a fluidized bed calcina...
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JP54046174 |
PURPOSE: To provide a calcining furnace described in the titled which makes it possible to control the quantity of calcined products without decrease in combustion efficiency, by constituting it so as to make it possible to control the q...
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JP54039966 |
PURPOSE: To treat incinerated ash so that secondary environmental pollution due to inorganic components may not happen, organic components and metallic components in said ash, by adding said ash into iron melted in a reduced atmosphere. ...
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JP54026962 |
PURPOSE: To prevent formation of the fracture of grate chain so as to make safe operation possible, by arranging plural thermometers laterally and longitudinally just under a grate, and by adjusting the length of sprocket shaft correspon...
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JP54002297 |
PURPOSE: To obtain hemihydrate gypsum of high quality by calcining dihydrate gypsum in a gas stream in an inverted conical reactor at a uniform temp. for s sufficient retention time and separating powder from hot gas by filtration in a c...
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JP53142375 |
PURPOSE: To prevent scale formation in a rotary kiln by constituting the feeder at solid-charging side of a water-cooled jacket, by extending solid-introducing line of specific length to the inside of the rotary kiln, by cooling the line...
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JP53130276 |
PURPOSE: To decompose a cyanic cpd. surely through one operation by heating a muddy mixt. of a sludge contg. cyanic cpd. with pulverized or granulated coal, or by heating activated carbon contg. cyanic cpd., at a temp. not lower than a s...
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JP53115664 |
PURPOSE: To provide a method for burning pellets, comprising, in an itom are pellet burning device constituted by drying, preheating, burning and cooling zones, circulatively using waste gas to utilize contained heat and oxygen, thereby ...
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JP53112282 |
PURPOSE: To prevent mixing of adsorbent in the upper and lower direction and also, to increase the surface of heat transmission and moreover, to atain the prevention of scattering and uniformity of stirring, by providing the heat transmi...
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JP53089880 |
PURPOSE: To increase calcining ratio of raw material remarkably before it is fed to a rotary kiln without loosing advantage of heat exchanger type furnace by installing a calcining furnace between a cylindrical heat exchanger and a roast...
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JP53088658 |
PURPOSE: To yield product of excellent quality by feeding raw material preheated in one or more cyclones to a fluized bed calcining furnace from the lowast cyclone, the furnace where the raw material is calcined, then it is separated fro...
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JP53064667 |
PURPOSE: To enable to take out simply the molten substance and, furthermore, to enable to use the crusible repeatedly, by melting the mixture of the sludge of heavy metals, glass powder and a reducing agent in the crucible of which the i...
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JP53053575 |
PURPOSE: To reduce quantity of waste gas to be treated by preventing abnormal overheating with continual coexistance of solid and liquid phases, without formation of combustion gas by melting arsenic sulfide sludge with a heater arranged...
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JP53048078 |
PURPOSE: To provide an apparatus described in the title which melts material, which is heated to high temperature to be half melted, in the molten material by inserting heating electrodes into a furnace downward and diagonally from a hal...
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JP53030983 |
PURPOSE: To save heat quantity, to obtain molten metal, and to recover thermally decomposed gas produced through incomplete combustion by melting incombustible material remained after combustion of solid waste by the introduction of oxyg...
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JP53015263 |
PURPOSE: To carry out economically the recovery of valuable substance, by giving rise to the self-combustion of the finely powdered carbonaceous substance while forming the combustion zone of the finely powdered carbonaceous substance st...
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JP53008365 |
PURPOSE: To carry out the stable roasting with a cheap cost of equipment and moreover with a small heat consumption, by circulating a part of the raw material with the sequence of the dryer, the separator of dried raw material and the su...
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JP52148475 |
PURPOSE: To make ash exhausted from an incinerator harmless and to make the treatment of the residue easy by supplying the ash to a heat resistant box covered with metal, and by irradiating the ash while falling with high frequency waves.
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JP52142668 |
PURPOSE: To prevent fine particle clinker from running into cooler, to prevent cooling retardation on the grate, and to decrease wear of the grate caused by the fine clinker, by setting a throttle at the connection of a rotary kiln to th...
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JP52131971 |
PURPOSE: To pervent sticky waste from lumping and to make the waste harmless smoothly and efficiently by the previous addition of finely granulated sintered material and/or sludge to the sticky waste before the waste is sintered, molten,...
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JP52110276 |
PURPOSE: To prevent pulverizing of pellets and coating on furnace wall with materials by feeding strong pellets of product calcined just before stopping operation of a rotary kiln.
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JP52102883 |
PURPOSE: To prevent the formation of dam ring and to intend to carry out the stable operation and the quality improvement, by calcining powdered pellet with 2W20 wt.% of coke, having the specific property, in rotary kiln.
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JP52097368 |
PURPOSE: To separate and reuse sodium nitrate and sodium nitrite by heating salt sludge containing sodium nitrate and sodium nitrite and filtering it in molten state.
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JP52093671 |
PURPOSE: To uniformly dry and calcine the wet powdered and granular materials with good quality, by separating and disintegrating the coarse and granular part, having a size more than a fixed size, being its drying and calcining imperfec...
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JP52091799 |
PURPOSE: To improve combustion efficiency by calcining wetted powdery gypsum in two steps so as to make the apparatus small and to inexpensively produce calcined gypsum with stable quality.
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JP52090470 |
PURPOSE: To obtain carbon black of high quality from waste tires et cetra by thermal-cracking a rapidly organic materials by a kneader and extracting the generated cracked gas whereby the deterioration in quality of crude coal is minimized.
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JP52086278 |
PURPOSE: In incineration treatment process for melting and sintering wastes at the final stage of the process, to feed air for combustion in 2 steps and to reduce second step air feed to 20 - 34% of the total air feed in order to inhibit...
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JP52073176 |
PURPOSE: To remove oil contained in mill scale, etc. economically and efficiently without requiring exhaust gas treatment, etc. by heating the scale with inert gas without burning.
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JP52068081 |
PURPOSE: To make fluffy asbestos fiber smooth by heat treatmen tof asbestoscont. waste materials at a specific range of temperature, thereby escaping from danger of lung cancer and to collect reusable asbestors.
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JP52068067 |
PURPOSE: To demonstrate the crushing effect of calcined material and to accelerate the degree of complete combustion with high heat transfer effect, by dividing calcining kiln, used for calcination of liquid such as shihg level radioacti...
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JP52068066 |
PURPOSE: To carry out calcining with high efficiency by setting up a high wind velocity zone at the lower part of the dense suspension layer, on occasion of calcining raw material of cement or alumina and heating the pulverulent and gran...
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JP52025448 |
PURPOSE: To provide a method of making stable sludge composed of heavy metal hydroxides and oxides which hardly dissolve out heavy metals and permitting land-fill with them or other ways of use.
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JP52013475 |
PURPOSE: To provide a fine powder heating apparatus of high heat efficiency and small pressure loss.
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JP52012674 |
PURPOSE: Energy is effectively used by driving a turbine generator with the reaction gas emitted from a scrubbing apparatus while controlling the furnace top pressure with a reaction gas scrubbing apparatus.
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JP51138580 |
PURPOSE: The apparatus is so arranged that burned products of different thicknesses can be selectively installed to the bearing sections and further the distance between the bottom of ahe burned product and the heat source is always kept...
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JP51138078 |
PURPOSE: To obtain easilya baked product from a sludge which is compact, strong and convenient for reutilization by preventing foaming and fusing of the sludge.
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