Drying and gas or vapor contact with solids – Process – With fluid current conveying or suspension of treated material
Patent
1992-12-21
1994-08-02
Gromada, Denise
Drying and gas or vapor contact with solids
Process
With fluid current conveying or suspension of treated material
34600, F26B 310
Patent
active
053333926
ABSTRACT:
An apparatus known per se for the thermal treatment of a mixture of solids and gases, comprising a vessel having an axially symmetrical interior, which vessel has in the lower part and in the upper part in each case at least one tangentially arranged opening, in the interior of the vessel at least one annular baffle tightly sealing to the vessel wall being arranged between the two openings, and the lower part of the vessel having a smaller diameter, is operated or is designed so that in the lower part a high radial velocity and short residence time prevail and in the upper part a low radial velocity and long residence time prevail.
REFERENCES:
patent: 2100907 (1937-11-01), McGehee et al.
patent: 2363281 (1944-11-01), Arnold
patent: 2368699 (1945-02-01), Arnold
patent: 2924887 (1960-02-01), Marshall, Jr.
patent: 3518778 (1970-07-01), Gresch
patent: 3740865 (1973-06-01), Laguilharre
patent: 4089119 (1978-05-01), Heinze
patent: 5042169 (1991-08-01), Vero
Gromada Denise
Hoechst Aktiengesellschaft
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