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| Number | Title | Issue Date |
| 7337860 | Apparatus and process for removing liquids from drill cuttings Drill cuttings associated with drilling fluid are thermally cleaned. The wet cuttings are fed into a vessel chamber having mechanical mixers, such as ribbon blenders, extending lengthwise of the chamber. Direct heating is applied to the chamber contents by introduci... | 03/04/2008 |
| 7261208 | Method and installation for drying sludge Apparatus and method for drying sludge, in particular sewage sludge, by creating a granulate from the dried product. A mixture of a carrier material consisting of recycled sludge which has already been dried and liquid sludge is fed to a dryer 6. The dried pr... | 08/28/2007 |
| 7181864 | Dehydration of body hem flanges As a metal assembly, which defines partially open voids in which liquid accumulates is conveyed through a heat-treating station, the hot air is blown across the open end of the void to produce a zone of low pressure at the surface of the liquid. The reduction in pre... | 02/27/2007 |
| 7100303 | Apparatus and method for the heat treatment of lignocellulosic material There is provided an apparatus and a method for heat treatment of lignocellulosic material. The apparatus comprises a treatment chamber and devices for circulating and recovering gases from the treatment chamber such as to provide a uniform temperature within the ch... | 09/05/2006 |
| 6954994 | Moisture removal mechanism A moisture removal mechanism comprises a drying zone through which product to be dried passes. A fluid circulation path is in fluid communication with the drying zone. A forced fluid feed device directs drying fluid to and from the drying zone, the fluid feed device... | 10/18/2005 |
| 6932210 | Self-cleaning oscillating conveyor for deburring, dedusting and the onward transport of small parts A self-cleaning oscillating conveyor includes a vertical tube and a conveyor channel that is helically wound upwardly around the vertical tube with a corresponding electromagnetic oscillating unit and a casing tube, which surrounds the exterior of the conveyor chann... | 08/23/2005 |
| 6742283 | Wood drying method Method for drying wood in a short period of time by maintaining the concentration of a combustion gas contained in a drying room atmosphere for use in drying the wood to a high value and by maintaining the pressure of the drying room atmosphere to a high value. Wood... | 06/01/2004 |
| 6082375 | Method of processing internal surfaces of a chemical vapor deposition reactor The invention encompasses methods of processing internal surfaces of a chemical vapor deposition reactor. In one implementation, material is deposited over internal surfaces of a chemical vapor deposition reactor while processing semiconductor substrates ... | 07/04/2000 |
| 5966838 | Process and apparatus for drying material with indirectly heated driers and for decontaminating waste gas A process and apparatus for drying material, particularly sludges, with indirectly heated driers includes a system for the thermal decontamination of exhaust air from the drier. Excess exhaust air from the drier loop is fed as secondary air to the heating... | 10/19/1999 |
| 5815945 | Pit membrane-broken wood drying method and apparatus The present invention is intended to artificially break pit membranes in cell membranes of cells constituting wood and then to readily attain dryness of the wood. In view of the fact that one pit or the other pit of pits in the form of a pair is blocked w... | 10/06/1998 |
| 5638609 | Process and apparatus for drying and heating The present invention is directed to drying and heating processes and to an apparatus incorporating a pulse combustion device that can be used in a drying system or in a heating system. In general, the apparatus includes a pulse combustion device for the ... | 06/17/1997 |
| 5551166 | Dryer drum coater having vented outer shell for VOC/NOx reduction A dryer drum coater reduces blue smoke emissions by evacuating the blue smoke from the dryer drum coater independently of the exhaust of combustion products. The blue smoke, produced when heated and dried aggregate is mixed with other asphaltic products s... | 09/03/1996 |
| 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 |
| 5255446 | Method for eliminating pollutants and/or bad-smelling substances from a gaseous flow produced by the drying of a damp substrate A method for eliminating pollutants and/or bad-smelling substances from a gaseous flow produced by the drying of a damp substrate provides for the separation of suspended solids, dehumidification, the heating and recycling of the gaseous flow to a drying ... | 10/26/1993 |
| 5174044 | Control of the concentration of solvents in a dryer The invention relates to a method and apparatus for drying lengths of carrier material which have been printed with ink comprising an evaporable solvent. To maintain the concentration of the solvents evaporating from the printing ink, this concentration h... | 12/29/1992 |
| 4888884 | Method and plant for cleaning dryer exhaust gases during the drying of wood chips, wood fiber of the like A method of cleaning dryer exhaust gases during the drying of wood chips, wood fibers and the like is described in which at least one part of the dryer exhaust gases is filtered at a temperature lying above its dew point. At least one part of the particle... | 12/26/1989 |
| 4878839 | Non-polluting hot gas generating system To provide for energy-efficient non-polluting heat treatment of workpieces (W) which, during heat treatment, emit oxidizable or combustible substances, hot gases are generated in a hot gas generating chamber (2) by a jet burner (5) emitting a flame jet. T... | 11/07/1989 |
| 4683664 | Apparatus for drying metal turnings or scrap Apparatus for the drying of ferrous or non-ferrous turnings or scrap comprises a vertical axis drier (1) in which a drum (2) which encloses a transporter (3) for the turnings in question is mounted transversely. The turnings are heated indirectly via the ... | 08/04/1987 |
| 4411074 | Process and apparatus for thermally drying oil well cuttings The present invention relates to a process and apparatus for drying oil well cuttings. More particularly, the present invention relates to the direct thermal treatment of oil well drill cuttings whereby the cuttings will be freed from any excess liquid an... | 10/25/1983 |
| 4251207 | Process and apparatus for preheating coking coal Coking coal is preheated and dried by passing hot carrier gas into a generally vertical flash drying pipe, then passing comminuted coal into the same pipe, the carrier gas being blown with a flow speed to move the coal upwards in the pipe and passing at a... | 02/17/1981 |
| 4206553 | Method of curing strip coating A method for drying or curing a coating on a strip passing through an oven having a number of oven zones comprises continuously moving such a strip sequentially through the oven zones, in each of which oven gases are continuously circulated about the stri... | 06/10/1980 |
| 4087923 | Method of operating an incinerator The specification discloses and describes a method and means of operating an incinerator whereby the concentration of evaporated solvent or other combustible materials delivered to an incinerator is controlled as a reflection of the temperature of the gas... | 05/09/1978 |
