Drying and gas or vapor contact with solids – Apparatus – Gravity flow type
Patent
1985-09-27
1987-05-19
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
Gravity flow type
34174, 422191, 422216, F26B 1714
Patent
active
046656324
ABSTRACT:
Apparatus for uniformly distributing a fluid such as a vapor or gas upwardly through a cylindrical bed of a particulate contact material such as a catalyst, without interfering with the catalyst flow, includes an annular chamber which is closed at its top and which surrounds the cylindrical bed. The annular chamber receives fluid near its top and distributes it evenly at its bottom where it passes the fluid downwardly into a region which contains catalyst particles which have descended from the cylindrical bed, said region being defined at its top by the catalyst at the bottom of the aforesaid cylindrical bed and the open bottom end of the annular chamber, at its bottom by the bottom of a vessel containing the apparatus, and at its sides by the sides of the vessel. The distance between the bottom of the cylindrical bed and the bottom of the vessel is preferably at least equal to the radius of the cylindrical bed.
REFERENCES:
patent: 2703936 (1955-03-01), Hut
patent: 3652231 (1972-03-01), Greenwood et al.
patent: 4567022 (1986-01-01), Greenwood
patent: 4567940 (1986-02-01), Klaren
Cordovano Richard J.
McBride Thomas K.
Schwartz Larry I.
Spears Jr. John F.
UOP Inc.
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