Tobacco drying apparatus

Details Tobacco drying apparatus Tobacco drying apparatus

A - Human Necessities

24

B

A24B 3/04 (2006.01) A24B 3/18 (2006.01) F26B 17/10 (2006.01)

Patent

CA 2317561

A high humidity drying apparatus for cut tobacco is shown. The apparatus has a furnace which heats circulated air within the apparatus. The air is forced through a first arcuate elbow which has a tobacco air inlet located thereon for inserting the cut tobacco into the airstream. The tobacco is then redirected into a vertically extending drying chamber. The air entrained tobacco is then forced through a second arcuate elbow which places the tobacco into a tagential separator for removing the tobacco from the heated air. The separator has dual air exhausts, each leading to a high efficiency cyclone for further removal of the tobacco dust form the circulated air. All of the air is then passed back to the furnace for heating and then recirculated through the drying apparatus.

La présente invention concerne un dispositif de séchage de tabac coupé en milieu fortement humide. Le dispositif comprend un four qui chauffe l'air circulant dans le dispositif. On force l'air à travers un premier coude en forme d'arc qui comprend une entrée par laquelle le tabac coupé est introduit. A la sortie du coude, le tabac débouche dans la chambre de séchage qui s'étend verticalement, puis arrive dans un second coude en forme d'arc en sortie duquel un séparateur tangentiel sépare le tabac de l'air chaud. Le séparateur est équipé de deux sorties d'air, chacune étant reliée à un cyclone de haut rendement pour récupérer plus complètement la poussière de tabac. L'air est renvoyé en totalité au four pour être réchauffé et recirculé à travers le dispositif de séchage.

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