Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent
1980-07-23
1981-05-26
Fisher, Richard V.
Drying and gas or vapor contact with solids
Apparatus
Rotary drums or receptacles
34160, 162290, 162359, 2395533, 239568, D21F 500
Patent
active
042689767
ABSTRACT:
A steam distribution apparatus includes a first header having an inlet for steam and a plurality of discrete outlets for steam arranged along the header. The outlets increase in size with distance from the inlet. A first chamber surrounds the first header to receive steam from the outlets in the first header. There are first, relatively large outlets in the first chamber. The relative positions of the first header and the first chamber ensure that steam leaving the plurality of outlets in the first header impinges on the interior of the chamber and must travel around the chamber to reach the first outlets in the first chamber. A second chamber communicates with the first outlets from the first chamber. There are outlets in the second chamber. A shrouding is positionable above a paper web and communicates with the elongate outlets in said second chamber. The apparatus permits uniform steam flow along the entire length of the distributor.
REFERENCES:
patent: 1914024 (1933-06-01), Kasanof
patent: 2939760 (1960-06-01), Bjarnow et al.
patent: 3097994 (1963-07-01), Dickens et al.
patent: 3531053 (1970-09-01), Miller et al.
patent: 3837789 (1974-09-01), Schindler et al.
patent: 3850792 (1974-11-01), Pennington
patent: 4163688 (1979-08-01), Kankaanpaa
Fisher Richard V.
Zaitlen Richard H.
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