C - Chemistry – Metallurgy – 10 – B
Patent
C - Chemistry, Metallurgy
10
B
99/198
C10B 53/02 (2006.01) A23B 4/052 (2006.01) C10B 47/44 (2006.01)
Patent
CA 1109329
ABSTRACT A closed smoke generating apparatus isolated from the atmosphere is provided in which carrier gases are introduced into a smoke collection chamber, mixed with smoke supplied from a separate distillation chamber mounted therebelow. Smoke and carrier gases discharged through an outlet can be supplied directly into an associated closed air food processing system. Wood sawdust or other organic par- ticulate materials are continuously fed into the elongated distillation chamber and are carried by rotating auger. A heat source surrounds the distillation chamber for destructive distillation of the particulate materials without introduction of air into or leakage of air from the distillation chamber. A residue discharge is provided with means to seal the outlet end of the distillation chamber. Smoke ports provide direct communication between the distillation chamber and the smoke collection chamber. Auxiliary heating means can be provided for the smoke ports to reduce deposition of distillation by-products. Further aixiliary heating means can be provided in the collection chamber to minimize deposition of unwanted distillation by-prod- ucts and also to accelerate flow of smoke and carrier gases through the apparatus. The collection chamber can be of varying size or cross-sectional configuration without requiring a change in the construction of the lower distillation chamber. The col- lection chamber has a door providing access to the chamber and the smoke ports for cleaning and maintenance. A layer of insula- tion substantially encloses the distillation chamber, and a separate insulation lay can surround the cmoke collection chamber.
287288
Hewitt Neville S.
West Clarence W.
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