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| Number | Title | Issue Date |
| 7194824 | Clothes drying apparatus A clothes drying apparatus in which lifters arranged on an inner peripheral surface of a rotating drum, while extending axially along the rotating drum, have an improved structure to achieve an enhancement in drying performance. The clothes drying apparatus includes... | 03/27/2007 |
| 6971189 | Variable volume clothes dryer The invention is a clothes dryer featuring an interior working volume that is adjustable to suit the size of the load and type of article(s) to be dried. Since the volume is adjusted to fit the load, only the necessary volume is heated. For large loads or bulky arti... | 12/06/2005 |
| 6450804 | Compact continuous charging apparatus An improved method and apparatus for charging, preheating and refining steel. The charging apparatus has a skirted charging section for introducing charge materials, a dynamic gas seal adjacent the charging section and a preheater, the preheater for prehe... | 09/17/2002 |
| 6050203 | Method for use of solid waste as fuel for cement manufacture A method and apparatus is described for environmentally sound usage of combustible hazardous waste as supplemental fuel in operating rotary cement kilns. The apparatus comprises an open port in the rotary vessel at a point where during cement kiln operati... | 04/18/2000 |
| 5989018 | Lime sludge feed arrangement A method and apparatus for supplying lime sludge to a rotary kiln guides the flow of the lime sludge into the kiln, and the flow of flue gases out of the kiln, in distinct paths so that contact between the lime sludge entering the kiln and flue gases exit... | 11/23/1999 |
| 5944960 | Carbonizing furnace The carbonizing furnace of the present invention is capable of effectively making a large amount of carbides and reducing manufacturing cost and maintenance cost. The carbonizing furnace includes a furnace proper being formed into a cylindrical shape, the... | 08/31/1999 |
| 5904904 | Treatment of contaminated particulate material by low-temperature thermal desorption with indirect heating Contaminants are removed from particulate material in an inclined, rotating drum which has an inlet for contaminated material at its upper end, an outlet at its upper end for vaporized contaminants, an inlet for air that is located between the upper end a... | 05/18/1999 |
| 5558432 | Drum mixer having a combined heating/mixing zone with aggregate entry at both ends A drum mixer having a combined heating-mixing zone which receives aggregate from both ends. The drum mixer includes a rotatable drum having an inlet end and a discharge end. Within the drum, a drying zone extends from the inlet end to a combustion zone an... | 09/24/1996 |
| 5523060 | Apparatus for retorting material An apparatus is disclosed for the separation and extraction of a waste material into a solid, a liquid, and a gas phase utilizing a rotating drum that is sealed from the atmosphere. The exterior of the drum is heated and the waste material flows through t... | 06/04/1996 |
| 5364182 | Counter-flow asphalt plant with multi-stage combustion zone overlapping the mixing zone A drum mixer is provided with a rotatable cylinder in which aggregates, reclaimed asphalt pavement and liquid asphalt are mixed to produce an asphaltic composition. The drum cylinder includes a first region, in which virgin aggregate is heated and dried b... | 11/15/1994 |
| 5338188 | Radiant heat rotary volatilizer An apparatus and method for remediating soils and other materials contaminated with organic compounds comprising dual volatilizing zones and radiant heat. The material is treated in the volatilizing zones to substantially volatilize the organic compounds ... | 08/16/1994 |
| 5257586 | Method and apparatus for feeding to a rotary device An apparatus for delivering material to the interior of a kiln to be burned therein which includes a feeding mechanism which rotates with the kiln within a stationary transfer means or drum, means for delivering material to be burned to the interior of th... | 11/02/1993 |
| 5090813 | Dual drum recycle asphalt drying and mixing method and apparatus An asphalt drum drying and mixing plant capable of using recycled pavement aggregate material includes two interacting drums, each being heated to different temperatures. A first drum is a parallel flow drying and mixing drum. The recycled material is int... | 02/25/1992 |
| 5073107 | Apparatus for making green briquettes for forming Si, SiC or ferrosilicon A process and apparatus for the preparation of green briquettes for the production of silicon or silicon carbide or ferrosilicon in electric pit furnaces, quartz sand, a carbon carrier and a bituminous binder being mixed together, the mixture being shaped... | 12/17/1991 |
| 4941822 | Apparatus for heat treating contaminated particulate material An apparatus for heat treating contaminated particulate material and more particularly, an apparatus for reclaiming foundry sand. The apparatus includes a heated, inclined rotary drum and an auger projects into the upstream end of the drum and serves to f... | 07/17/1990 |
| 4925389 | Method and apparatus for treating waste containing organic contaminants A system including a method and apparatus for treating waste containing organic contaminants which includes a direct fired, countercurrent, rotary kiln providing a soaking zone having an oxidizing atmosphere through which the materials being treated are p... | 05/15/1990 |
| 4859177 | Apparatus for incinerating combustible material A rotary kiln device for incinerating combustible materials such as municipal and commercial waste materials. The kiln is a co-current gas-material flow apparatus. The kiln is divided by means of a dam into a drying zone and a combustible zone. Waste mate... | 08/22/1989 |
| 4748921 | Method for removing flammable hazardous liquid waste from soils A method of removing hazardous flammable hydrocarbons from soils comprises introducing the contaminated soil into a rotatable drum open at only one end, introducing flame and hot gases of combustion in the drum while rotating it to substantially expose th... | 06/07/1988 |
| 4746290 | Method and apparatus for treating waste containing organic contaminants A system including a method and apparatus for treating waste containing organic contaminants which includes a direct fired, countercurrent, rotary kiln providing a soaking zone having an oxidizing atmosphere through which the materials being treated are p... | 05/24/1988 |
| 4734166 | Furnace for the selective incineration or carbonization of waste materials A furnace for the selective incineration or carbonization, by a process of distillation to remove its volatile components, of waste materials, the furnace consisting of an elongated, slightly inclined, rotatable cylindrical kiln, waste material being intr... | 03/29/1988 |
| 4508503 | Intake assembly for rotary drums The present invention deals with a chute for a kiln intake housing of a rotary tubular kiln or the like, the chute having a lining composed of a refractory material and a double-walled, inwardly facing collar disposed at the lower end thereof, the collar ... | 04/02/1985 |
| 4373909 | Gas injecting kiln shell nozzle with particle entry barriers A port assembly for delivering fluid through a shell of a rotary kiln is disclosed with structures for screening and excluding particulate matter from the port during operation of the kiln. The port assembly comprises a cylindrical nozzle defining a nozzl... | 02/15/1983 |
| 4373908 | Kiln shell nozzle with annular fluid delivery A port assembly for delivering fluid through a shell of a horizontal rotating reactor, such as a rotary kiln, is disclosed for purging from the port particulate material which enters port piping when no fluid is passing through the port. The port assembly... | 02/15/1983 |
| 4209292 | Fluid storage and distribution arrangement mounted on rotary reactor An arrangement for storing and distributing a fluid on board a rotary reactor such as a rotary kiln. The application discloses a rotary reduction kiln for reducing a metallic oxide such as iron oxide to a lower state of oxidation. A liquid hydrocarbon is ... | 06/24/1980 |
| 4208181 | Liquid metering and distribution arrangement for rotary reactor Flow control valves are mounted with corresponding axial rows of nozzles about the periphery of a rotary kiln. A metering cylinder is mounted on the kiln and rotates therewith. A piston member is moveable in the metering cylinder in alternately opposite d... | 06/17/1980 |
| 4148601 | Flexible cam system for actuating mechanisms mounted on a revolving assembly A flexible cam system characterized by the use of flexible guide tracks provided with balance weights attached thereto. The guide tracks are connected to a supporting frame through regulating drive mechanisms provided therefor and mounted on opposite side... | 04/10/1979 |
| 4092098 | Method and apparatus for improved in situ combustion of pyrolysis gases in a kiln Temperature control is often a problem in direct-fired rotary kilns for the pyrolysis of carbonaceous materials wherein at least part of the thermal energy for pyrolysis is obtained by in situ combustion of the pyrolysis gases. The present process and app... | 05/30/1978 |
| 4070149 | Controllable distribution system for rotary kiln Apparatus for controlling the delivery of fuel and air to a rotary reduction kiln wherein both the fuel and air flow through the same fluid distribution nozzle. Separate fuel and air valves control the flow through the nozzles. Two separate means are prov... | 01/24/1978 |
| 4038025 | Kilns A rotating kiln having two rotating cylindrical chambers, these chambers having colinear axes which slope below the horizontal from the upper or loading end of the first chamber. The material to be processed into lightweight aggregate is introduced to the... | 07/26/1977 |
| 3955917 | Kilns A rotating kiln having two rotating cylindrical chambers, these chambers having colinear axes which slope below the horizontal from the upper or loading end of the first chamber. The material to be processed into light-weight aggregate is introduced to th... | 05/11/1976 |
