Reaction furnace

Details Reaction furnace Reaction furnace

1990-10-31

1992-03-17

Yuen, Henry C.

Heating

Processes of heating or heater operation

Including passing, treating or conveying gas into or through...

432107, 432110, 432112, 432114, F27B 736

Patent

active

050964151

ABSTRACT:
A reaction furnace includes a rotating core within a heated shell, the core and shell defining an active annular zone. An interrupted helical screw carried by the core conveys material from an inlet at one end of the zone to an outlet at the opposite end of the zone. The furnace is operated with the annulus only partially filled. Volatiles rise to a void space at the top of the annulus and are drawn off.

REFERENCES:
patent: 1587727 (1926-06-01), Harty et al.
patent: 2207987 (1940-07-01), Kent et al.
patent: 3787292 (1974-01-01), Keappler
patent: 4043745 (1977-08-01), Unger
patent: 4376343 (1983-03-01), White et al.
patent: 4393603 (1983-07-01), Casperson
patent: 4427376 (1984-01-01), Stnyre et al.
patent: 4504222 (1985-03-01), Christian
patent: 4850861 (1989-07-01), Poroshin et al.

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