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| Number | Title | Issue Date |
| 6823607 | Plant for the drying and treatment of pourable mineral material A plant for the drying and treatment of a pourable mineral material. The plant includes a combustion apparatus, introducing smoke gases into a rotary-driven rotary drum for cocurrently with the pourable mineral material. The rotary drum is inclined in the conveying ... | 11/30/2004 |
| 6199299 | Feeding of comminuted fibrous material to a pulping process In a chisel-type convergence for a chip bin in a wood chip pulping process and system, an improvement in uniformity of discharge of the chips from a chips bin or the like is provided. The bin includes a conventional hollow substantially right circular cyl... | 03/13/2001 |
| 6138377 | Apparatus and process for cooling and de-steaming calcined stucco The present invention is an apparatus and process for cooling and de-steaming hot calcined stucco used in the production of gypsum boards or bagged plaster. The apparatus is a fluid bed stucco cooler and comprises a cooler housing having a plenum with two... | 10/31/2000 |
| 6128828 | Drying machine A drying machine includes a hot air blower, a housing divided horizontally into plural long chambers having an open upper side, a closed bottom and two longitudinal sides bored with through holes, a screw conveyor respectively positioned in each long cham... | 10/10/2000 |
| 6061925 | Rotary type heat treatment device, and temperature control method for the device An object of the invention is to provide a rotary type heat treatment device wherein, when a material to be sintered is continuously and stably sintered in a container, the material in the container is stably detected for a long period of time, and a temp... | 05/16/2000 |
| 6052917 | Vacuum rotary dryer A vacuum rotary dryer capable of charging solids into a rotary drum and discharging the solids from the rotary drum without any manual operation contacting solids with the hands is provided. A rotary drum (23) is mounted thereon with a gas flow pipe (46) ... | 04/25/2000 |
| 5522158 | Dryer drum coater having recirculation chamber for VOC/NOX reduction A dryer drum coater has an internal recirculation cylinder for promoting the recirculation of combustion products so as to entrain and incinerate blue smoke formed when heated and dried virgin aggregate is mixed with other asphaltic products such as RAP a... | 06/04/1996 |
| 5283961 | Tramp removal system An apparatus for collecting foreign materials such as rocks and tramp iron from material fed to a rotary dryer, wherein the material is dropped into the dryer at an intake end for tumbling within the dryer in a stream of drying gas flowing axially through... | 02/08/1994 |
| 4753019 | Apparatus for drying and heating material in a rotary kiln An apparatus for drying and heating lime sludge in a rotary kiln by means of regenerative heat transfer. The apparatus is preferably formed of round or rounded rods which extend parallel to the longitudinal axis. The rods are disposed in the kiln in an an... | 06/28/1988 |
| 4742622 | Flighting for horizontal dryers An improved flighting for dryers is the subject of the present invention. An elongated drying drum is disposed for rotation about its longitudinal axis. The inner surface of the drum is provided with a plurality of material distributing vanes in circumfer... | 05/10/1988 |
| 4730400 | Drum reactor for manufacturing fertilizers and other raw materials by aerobic fermentation Drum reactor (10) for aerobic fermentation has a frame (12) with which a height adjusting device (14). The drum reactor is provided with a rotary drum (11) having air pipes (20) extending longitudinally along its outer shell. The air pipes (20) are subjec... | 03/15/1988 |
| 4649655 | Drilling mud dehydration system Apparatus for dehydrating slurries such as water based drilling fluids heavily laden with drill cuttings and other earth solids comprising a rotating drum which is heated by combustion of a fuel air mixture to generate relatively large quantities of combu... | 03/17/1987 |
| 4628614 | Flighting for horizontal dryers An improved flighting for dryers is the subject of the present invention. An elongated drying drum is disposed for rotation about its longitudinal axis. The inner surface of the drum is provided with a plurality of material distributing vanes in circumfer... | 12/16/1986 |
| 4606283 | System for extracting contaminants and hydrocarbons from cuttings waste in oil well drilling A system wherein the contaminated cuttings are fed into the system for eventual incineration. The principal apparatus of the system comprises a plurality, preferably three, of horizontally disposed cylindrical drying chambers mounted onto a skid for recei... | 08/19/1986 |
| 4507876 | End seal for rotary treating drum Apparatus for preventing the escape of volatile treating agents into ambient air from a rotary treating drum used in treatment of particulate solids such as tobacco is disclosed. The apparatus comprises a flange on each end of the drum against which a was... | 04/02/1985 |
| 4477984 | Multi purpose three pass drum dryer A multi purpose three pass drum dryer comprised of two independent and intermeshed systems utilizing an air circulation flowing contrary to the progression of the material through the dryer.... | 10/23/1984 |
| 4393603 | Dryer thermal efficiency The thermal efficiency of a dryer is improved by affixing to the shell of the dryer that contains the material to be dried projections which contact a heating medium surrounding the shell of the dryer and protrude into the interior of the shell. Heat is t... | 07/19/1983 |
| 4053365 | Rotary calciner A modified rotary kiln suitable for calcining normally solid carbonaceous material, having adapted thereto at one end a firing crown and means for admitting combustible gases or liquids and air; a feeding means for such solid carbonaceous material to be c... | 10/11/1977 |
