F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
34/10
F26B 3/08 (2006.01) F26B 3/10 (2006.01) F26B 7/00 (2006.01) F26B 11/04 (2006.01)
Patent
CA 1152317
DEHYDRATION EQUIPMENT Abstract Of The Disclosure A rotary drying system for particulate mate- rial includes a rotary dryer of the multiple pass drum construction with a horizontal axis of rotation. A furnace is coupled to one end and a horizontally dis- posed centrifugal separator of the scroll type is coupled to the opposite end. A small cyclone separator is coupled to the scroll separator and connected in a closed loop system with the scroll separator for contin- uous recycling air therethrough. The rotary dryer has essentially the largest vertical dimension and therefore the profile of the system is minimized. The rotary dry- er is formed with an inner cylinder of a conical taper with a relatively small inlet end and progressively in- creasing passageway diameter to a large discharge end coupled to an intermediate passageway between the inner cylinder and an intermediate constant diameter cylinder. The intermediate passageway continuously expands in cross-section to a final discharge passageway formed by an outer concentric cylinder. Replaceable wear plate units support one end of the intermediate and inner cylinders for limited relative movement. The passage- ways are proportioned to establish a volumetric distri- bution for optimum drying characteristic and temper- ature drop to prevent product degradation and to produce efficient drying.
355184
Duske Wilfried P.
Frank Lowell C.
Marks & Clerk
Progressive Development Incorporated
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