Pneumatic conveying tobacco drying apparatus
US4494556A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1982 |
| Grant date | Jan 22, 1985 |
| Priority date | — |
| Expiry date | Jun 24, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B17/107
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for drying tobacco includes a heater for heating a drying and conveying gas to a predetermined temperature sufficient to dry the tobacco to a predetermined moisture content, a tobacco-gas separator device of the short residence type located downstream of the heater, a first duct establishing gas flow communication between the hot gas outlet from the heater and the entrance to the tobacco-gas separator device, and a tobacco feed device located substantially at the entrance to the separator device for introducing tobacco to be dried into the duct at the entrance to the separator device. In addition, an apparatus of the class described wherein the tobacco to be dried and the drying gas are separately introduced into the separator device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.