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| Number | Title | Issue Date |
| 7351056 | Method and apparatus for introducing materials into a rotary kiln An apparatus for introducing a material into a kiln using low pressure air injection. In a preferred embodiment, that apparatus has a movable vessel that is movable between a collection position and a discharge position. The vessel has an open top and an open base. ... | 04/01/2008 |
| 7066703 | Chuck transport method and system A method and system for transporting a plurality of substrates between a transfer chamber and at least one processing chamber. The system includes a chuck assembly with a plurality of chucks configured to receive wafer substrates, where the chuck assembly is movably... | 06/27/2006 |
| 6234091 | Feed chute apparatus for gravity feeding tires and other materials in to a rotating kiln A feed chute apparatus for injecting fuel into a rotating cement kiln by gravity. The apparatus, which is positioned adjacent to a cement kiln and supported at an angle of inclination sufficient to allow tires or other combustible materials to be gravity ... | 05/22/2001 |
| 6231288 | Conveyor head and lift for feeding tires into a rotating kiln A tire conveyor and lift apparatus for conveying, lifting and orienting fuel tires for injection into a rotating cement kiln by force or by gravity. The apparatus brings tires from a tire source by a variable speed conveyor belt to a gate or alternatively... | 05/15/2001 |
| 6139314 | Rotary hearth furnace Furnace for the treatment of ore on a rotary hearth, including a toroidal chamber, a rotary hearth and drives for the rotary hearth, the hearth being arranged on a supporting frame fitted with guides means and motion-supports; the drives are at least part... | 10/31/2000 |
| 5863197 | Solid flight conveying screw for furnace A fluid cooled conveying screw adapted for rotary hearth furnaces. A plurality of solid alternating single and double flights are affixed to an outer barrel. The single flights are at least partially cladded to withstand the rigors of the furnace. The dou... | 01/26/1999 |
| 5770169 | Rotary drum structure for a sterilizing apparatus The invention relates to a rotary drum structure for a sterilizer. The structure includes: four beams (30, 32, 34, 36) disposed parallel to said axis and defining a rectangular parallelepiped volume; a plurality of spacer elements (52, 54, 56) disposed in... | 06/23/1998 |
| 5749722 | Single charge continuous rotary retort furnace with an accessible door A single charge continuous rotary retort furnace for heat treating machine parts in a sealed atmosphere, including a rotary retort furnace housing having an inlet and outlet end with a feeder assembly at the inlet end that has a plurality of chambers for ... | 05/12/1998 |
| 5549058 | Method and apparatus for charging a bulk material supplemental fuel into a long cement kiln A method and apparatus for feeding a bulk material supplemental fuel through a port formed in a side wall of a rotary vessel of a cement kiln. The apparatus includes a stationary annular plenum surrounding rotary vessel. The plenum is configured to define... | 08/27/1996 |
| 5438766 | Tumbler for loosening entangled cloths A rotating drum tumbler for loosening damp, entangled cloths or sheets is disclosed which includes a frame, a cylindrical drum rotatably supported by the frame for rotation about a horizontal axis thereof and having an opening in each of the opposite ends... | 08/08/1995 |
| 5377603 | Burning of blended waste-derived supplemental fuel for improved manufacture of cement A method is described for environmentally sound usage of combustible hazardous waste in an operating rotary kiln. The method is particularly adapted for disposal of solid hazardous wastes, optionally in the form of a blended waste homogenate, packaged in ... | 01/03/1995 |
| 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 |
| 5226774 | Device for charging combustible solids to rotary kilns An apparatus is provided for charging combustible solids through a port in the wall of a rotating kiln into a heated zone of the kiln. The apparatus includes a port closure comprising inner and outer portions which cooperate to define a passage for closur... | 07/13/1993 |
| 5224433 | Waste fuel delivery to long kilns A method is described for environmentally sound usage of combustible hazardous waste in an operating rotary kiln. The method is particularly adapted for disposal of solid hazardous wastes, optionally in the form of a blended waste homogenate, Packaged in ... | 07/06/1993 |
| 5207176 | Hazardous waste incinerator and control system A hazardous waste incinerator (100) includes a rotary kiln (120) with a helical flight (250) within. The kiln (120) is fed hazardous waste by either a continuous feed system (164) or a positive feed system (162). The kiln (120) is comprised of six retort ... | 05/04/1993 |
| 5078594 | Device for charging combustible solids to rotary kilns An apparatus is provided for charging combustible solids through a port in the wall of a rotating kiln into a heated zone of the kiln. The apparatus includes a port closure comprising inner and outer portions which cooperate to define a passage for closur... | 01/07/1992 |
| 4930965 | Apparatus for charging solid fuel to rotary kilns An apparatus is provided for charging containerized fuel, particularly combustible hazardous waste homogenates, through a wall of a rotating kiln with minimal perturbation of mineral processing conditions. During kiln rotation fuel modules are loaded into... | 06/05/1990 |
| 4674198 | Apparatus for granulating, pelleting, and coating and/or drying fluid materials The apparatus comprises a drum (10) adapted to be driven in rotation about a horizontal axis of rotation (A) and having an at least approximately cylindrical body (12) as well as two steep end walls (14), one at each side of the body (12). The two end wal... | 06/23/1987 |
| 4555182 | Apparatus and method for recycling asphaltic concrete An improved process for recycling asphaltic concrete comprises introducing asphaltic concrete particles at one end of an elongated rotating drum while supplying flame and hot gases of combustion to the drum at the opposite end, and introducing virgin aggr... | 11/26/1985 |
| 4350102 | Combined combustion and melting furnace for solid, pasty and liquid waste materials A rotatable drum is equipped at a front end with a burner for liquid waste materials and at a rear end has a tiltable charging mechanism for solid waste materials and waste materials stored in barrels. The rear end of the drum is sealed by a fixed casing ... | 09/21/1982 |
| 4322196 | Soup retort A cooking retort for soup or the like in which the individual cans are stored in storage rack clusters arranged around a generally horizontal axis. The retort employs a power cylinder to tilt the retort and thus the storage racks to enable inclination of ... | 03/30/1982 |
| 4315712 | Loading method and device for feeding waste-filled containers into a rotary incinerator A loading method and loading device for feeding waste-filled containers into a rotary incinerator, wherein open topped containers are filled with liquid, pasty, or solid waste materials and are fed sequentially using a reciprocating ram via a slide onto a... | 02/16/1982 |
| 4288216 | Calciner with tapered reverse feed spiral A calciner includes a rotatable cylindrical retort which is indirectly heated and has material receiving and material discharging ends. A reverse pitch tapered spiral is affixed internal of the material discharging end with the spiral tapering toward the ... | 09/08/1981 |
| 4288217 | Rotary calciner feed spiral In a calciner having a rotatable cylindrical retort, an improved material feed spiral has a final turn and a 3/4 turn ending immediately adjacent the retort and a next to final turn connected to the final turn and extending outwardly therefrom away from t... | 09/08/1981 |
| 4286946 | Calciner reverse feed discharge spiral A calciner has a rotatable indirectly-heated cylindrical retort with a material receiving end and a material discharge end and a reverse pitch spiral is affixed internal of the cylindrical retort at the material discharge end.... | 09/01/1981 |
| 4273493 | Rotary furnace volumetric feeder with sealed chute A rotary furnace volumetric feeder includes a hopper for receiving work pieces, a feed chute which includes two openings disposed therein, a measuring station and discharge chute. The discharge chute is normally sealed, thereby precluding the outside atmo... | 06/16/1981 |
| 4255389 | Apparatus for rapid machine composting of sewage sludge A device for the rapid machine composting of sewage sludge including a rotary drum and having a feeding device extending longitudinally of the drum for feeding material to be composted into the drum. Air, heat and moisture are supplied to and discharged f... | 03/10/1981 |
| 4243382 | Material distributing means for rotary drum type heat treatment apparatus Rotary drum type heat treatment apparatus having a rotary drum rotatable about a longitudinal axis. The drum has an outlet end and the apparatus includes a cooling section having a movable grate with one end disposed beneath the outlet end of the rotary d... | 01/06/1981 |
| 4191531 | Discharge chute assembly for calcining hearth A discharge chute assembly for a rotary calcining hearth in which a carriage movable radially along tracks carries one or more pairs of opposed rollers receiving a flange extending around the hearth. The carriage supports the chute to cause the chute to f... | 03/04/1980 |
| 4090622 | Rotary retort furnace A rotary retort furnace wherein the retort is supported for rotation at only one end outside of the heated furnace shell such that the retort is cantilevered into the shell. The rotary retort has a charging door mechanism that cooperates with a skip hoist... | 05/23/1978 |
| 4036583 | Rotary furnace for the continuous manufacture of solid alkaline silicates A rotary furnace includes a tubular body rotating slowly with a slight rake, having an opening for charging the materials at its higher end, a burner at its lower end and several rectangular or squared holes for discharging the product in the lower end of... | 07/19/1977 |
| 4010081 | Apparatus for quenching and cooling coke Substantially horizontal rotary drum system for quenching and cooling coke, the drum having an internal helical conveying vane for moving the coke through the drum upon rotation of the drum, the diameter and the length of the drum and the pitch of the hel... | 03/01/1977 |
| 3984920 | Tar sands conditioning drum A rotating drum type muller is described for initial conditioning of mined tar sands by the hot water method for separation of bitumen from the sands wherein ablation of mined tar sand lumps into pulp is effected through the addition of hot water, steam a... | 10/12/1976 |
| 3968572 | Conditioning drum for use in hot water separation of bitumen from mined tar sands A rotating drum type muller is described for initial conditioning of mined tar sands by the hot water method for separation of bitumen from the sands wherein ablation of mined tar sand lumps into pulp is effected through the addition of hot water, steam a... | 07/13/1976 |
| 3943637 | Apparatus for treating particulate material A readily portable apparatus for roasting, drying or otherwise treating grain or other similar particulate material on a continuous fully controlled basis. The material is metered into one end of a revolving drum containing structure for cascading the mat... | 03/16/1976 |
