Chemistry: physical processes – Physical processes – Crystallization
Patent
1976-12-23
1978-05-23
Wolk, Morris O.
Chemistry: physical processes
Physical processes
Crystallization
23284, 23288S, 34 10, 34 57A, 110 8F, 110218, 110263, 423DIG16, B01J 844
Patent
active
040908526
ABSTRACT:
A structure is provided for supporting and retaining bed of particulate material, such as a catalyst, in a reactor or the like, so that the material is prevented from falling through the structure when the material is in either a fluidized or agitated condition due to an upward flow of gas through the structure and material or when the material is quiescent. The support and retaining structure also provides a uniformly distributed gas flow through the material supported thereon and includes a first set of elongated, channel-shaped retaining members arranged in parallel, laterally spaced relation with the flanges of the channels extending upwardly and with elongated gaps between the flanges. A second set of elongated, inverted channel-shaped retaining members are also arranged in parallel, laterally spaced relation with their flanges extending downwardly and with elongated gaps between the flanges. The second set of retaining members are positioned above the first set of retaining members in staggered relation so as to overlie the gaps between the first set of retaining members. The flanges of the second set of retaining members overlap the flanges of the first set of retaining members to prevent particulate material from falling through the gaps between the first set of retaining members. Spacers maintain the first and second sets of retaining members in a predetermined position and clips on the second set of retaining members extend downwardly in and toward the ends of the gaps between the first set of retaining members to prevent particulate material from falling through the gaps at the ends thereof.
REFERENCES:
patent: 2614034 (1952-10-01), Brummerstedt
patent: 2715565 (1955-08-01), McKay
patent: 3002805 (1961-10-01), Browning, Jr. et al.
Air Resources, Inc.
Phillips Roger F.
Wolk Morris O.
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