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| Number | Title | Issue Date |
| 4429643 | Apparatus and method for treating sewage sludge Sludge is dried in a dryer and burned in a furnace, the dryer being heated by heat from the furnace using a heat exchanger so that contaminants from furnace hot gas do not pass into the dryer. Gas given off from the dryer is in part mixed with fresh air a... | 02/07/1984 |
| 4429646 | Method and apparatus for burning damp oil-shales of low heating power The oil-shale is burned in a combustion chamber (24) having a chimney, and the method comprises: providing a drying gas by mixing hot gas taken from the combustion chamber via a duct (4) with relatively cool gas taken from the chimney via a duct (5), the ... | 02/07/1984 |
| 4423689 | Method of producing pulverized coal as fuel for pulverized-coal pilot burners A method of producing pulverized coal as fuel for pulverized-coal pilot burners of pulverized-coal annular burners or of systems thereof in a power plant having auxiliary steam generators. The raw coal undergoes or is subjected to a pulverizing-drying, an... | 01/03/1984 |
| 4414905 | Method and equipment for treatment of fuel for fluidized bed combustion The invention relates to the method and equipment for treatment of fuel for fluidized bed combustion, which includes drying, classification and crushing of the fuel. The method for treatment of fuel comprises mixing the fuel with hot ash removed from the ... | 11/15/1983 |
| 4409909 | Process of combustion in a fluidized-bed incinerator An incinerator for combusting sludge or the like is supplied with combustion air which is mixed with 5-40% by weight of a high-humidity, low-oxygen-concentration gas for adjustment of the excess ratio of combustion air and control over burning of nitrogen... | 10/18/1983 |
| 4391205 | Method and apparatus for burning green wood chips Apparatus and method for burning green wood chips in which the hot combustion gases generated by the burning of the chips in a furnace are passed through chips in a storage silo from which the chips are subsequently fed to the furnace. A column of chips o... | 07/05/1983 |
| 4388875 | Evaporating concentrator for sewage sludge An evaporative concentrator for sewage sludge installed between hopper A and drying furnace C; the one set consisting of heating chamber B1 and evaporation chamber B2 having a construction so that the said one set or several sets are... | 06/21/1983 |
| 4387652 | Furnace Pieces of shredded tires are fed into the top of a vertical pyrolyzing furnace in a measured amount using a weighing hopper feed mechanism. Heated gas is introduced through inlet and pyrolyzing the tire pieces on a countercurrent flow principle to produce... | 06/14/1983 |
| 4376343 | Method and apparatus for drying bagasse An outer cylindrical drum has an inner drum concentrically mounted therein in spaced relationship, to form coextensive outer and inner drying chambers that are connected to a common source of hot exhaust gases from a sugar factory boiler. Raw bagasse is f... | 03/15/1983 |
| 4375959 | Waste heat recovery in asphalt mixing plant In an asphalt mixing plant, a portion of the heat used to vaporize water in the process of drying aggregate is recovered by conducting dryer exhaust gases through parallel ducts which extend serially through the aggregate cold feed bins. These parallel du... | 03/08/1983 |
| 4359006 | Method of extracting heat from manure sewage mud and other wet waste by combustion Wet waste (1) is dried in a drier (3) by a blowing through of the flue gas (7) from the combustion of already dried waste and an appropriately amount of auxiliary air, and the heat from the combustion is generated by means of a scrubber (10) also cleaning... | 11/16/1982 |
| 4354825 | Method and apparatus for drying coal A method and apparatus for drying coal in which the coal is dried by a hot gas and then quickly cooled with ambient air to reduce the oxidation rate and in which the air heated in the cooler is supplied to support the combustion that generates the hot gas... | 10/19/1982 |
| 4326470 | Individual bagasse drier The invention objective a Individual Bagasse Drier that realizes a system of utilization of the chimney gases, to decrease the moisture of the bagasse left from the mill in 10 or 15 points, increasing the steam production between 13.5% to 15.45% respectiv... | 04/27/1982 |
| 4314513 | Method and apparatus for the incineration of stalks, especially of straw Stalks of crop material, especially straw, are incinerated by comminuting them to pieces having a length of substantially 8 to 10 cm, pneumatically transporting the stalks to a separator in which the air is separated from the stalks and the stalks are the... | 02/09/1982 |
| 4312320 | Incinerator apparatus and method An apparatus and method are provided for removing deposits from material such as drill pipe by subjecting such material to extremely high temperatures in a flame fired furnace. Heated air passing over the material carries with it the volatized deposits an... | 01/26/1982 |
| 4311103 | Incineration system for sewage sludge The incineration system consists of a sludge dryer, a cyclone separator unit, an incomplete combustion incinerator, a complete combustion incinerator with a heat exchanger, a heat exchanger and so forth and comprises gas circulation passage involving the ... | 01/19/1982 |
| 4292742 | Plant for drying fuel Fuel and additional material are dried prior to entering the combustion chamber of a thermal power plant using drying chambers having fluidized beds. The heat required for drying is extracted from the hot ashes from the power plant by means of an oxygen-p... | 10/06/1981 |
| 4280415 | Method and apparatus for drying and processing moisture-containing solids A method and apparatus for drying and processing moisture-containing solids comprising organic and/or mineral inorganic components, wherein a maximum utilization of energy is attained by providing for an energetic cross-linkage between the drying and subs... | 07/28/1981 |
| 4276835 | method for processing sewage sludge A method for drying sludge which may contain combustible vapors in a manner to positively prevent fires and explosions within the sludge dryer and the associated sludge-drying piping. The method provides for a substantial reduction of the oxygen content o... | 07/07/1981 |
| 4254716 | Method and apparatus for preparing organic waste fuels An integrated fuel preparation and incinerator system and method for utilizing organic solid and semi-solid waste materials as a primary boiler fuel is provided. The organic waste fuel materials are refined to allow for improved combustion efficiency. Com... | 03/10/1981 |
| 4245570 | Sewage sludge disposal apparatus and method of disposal A system for disposing of sewage sludge by treating the sludge in apparatus which processes the sludge through relatively inert gas drying and grinding stages and utilized as much of the dried and ground sludge as is needed to produce heat for maintaining... | 01/20/1981 |
| 4232614 | Process of incineration with predrying of moist feed using hot inert particulates Moist combustible matter is burned in a combustion zone following a drying treatment in which the combustible matter is brought into contact with hot, inert particulates circulated from the combustion zone. The water in the combustible matter is evaporate... | 11/11/1980 |
| 4213407 | Flash drying sludge derived fuel process A process for disposing of sewage sludge resulting from municipal type sewage plants, including the production of dry solid fuel which is used in the flash drying and in the deodorizing system. Supplemental fuels are not required. The system is capable of... | 07/22/1980 |
| 4186668 | System for the pyrolytic combustion of ligneous and other wastes A system for the combustion of moist ligneous and other wastes, such as sawdust and compacted household rubbish in order to generate heat. The system includes a crusher-extractor to divide the waste matter entrained in an air stream to produce a fuel mixt... | 02/05/1980 |
| 4121524 | Method of and apparatus for treating refuse Any bundles in household refuse are broken up and this refuse is then coarsely comminuted with the broken up bundles, only the hard components of the refuse being comminuted with the light components merely being temporarily deformed between a pair of rol... | 10/24/1978 |
| 4121349 | Organic waste drying process A process for drying organic waste, such as sewage sludge, by contacting the organic waste with hot vapors. In the preferred embodiment, adsorption of hydrocarbons vaporized during the drying step is achieved by mixing recycled dried solids into the dryin... | 10/24/1978 |
| 4099336 | Organic waste drying process A process for drying organic waste, such as sewage sludge, by contacting the organic waste with hot vapors wherein the dried material is plasticized and extruded to form compacted granules having good flow characteristics and suitable for application by c... | 07/11/1978 |
| 4098006 | Organic waste dewatering and drying process A process for drying organic waste, such as sewage sludge, by contacting the organic waste with hot vapors. Partial dewatering of the organic waste is achieved by admixture with a recycled portion of dried solids followed by extrusion of the mixture. The ... | 07/04/1978 |
| 4060042 | Incinerator This invention relates to incinerators for the disposal of urban waste. More particularly, it relates to incinerators of the type comprising a rotary furnace of highly heat-resistant steel, having a horizontal axis of rotation and comprising a drying cham... | 11/29/1977 |
| 4030895 | Apparatus for producing combustible gases from carbonaceous materials A reactor for generating combustible fuel gases comprising a chamber, an inclined grate extending from adjacent the top of the chamber to near the bottom and sloping forwardly within the chamber from the top to the bottom, said grate dividing the chamber ... | 06/21/1977 |
| 3985086 | Freezer, vacuum, oven sewage treatment system Raw sewage, garbage, waste, and the like, is ground and supplied to a freezer and vacuum chamber where it is frozen. The water is drawn off by vacuum and waste matter is supplied to an electronic oven where it is reduced to ash. Compressed air and accumul... | 10/12/1976 |
