Gas and liquid contact apparatus – Contact devices – Wet baffle
Patent
1988-11-04
1989-10-24
Miles, Tim
Gas and liquid contact apparatus
Contact devices
Wet baffle
2611145, B01F 304
Patent
active
048760374
ABSTRACT:
A gas-liquid contact tower of the kind comprising an outer tower shell, a stack of superimposed, substantially flat, horizontal trays spaced vertically apart within the shell so that in use each can carry a thin film of liquid discharged within the tower shell. The horizontal trays are provided with a plurality of flow apertures distributed substantially uniformly over at least part of the surface of the trays. The apertures are suitable to permit in use the thin liquid film on the trays to flow downwardly therethrough from tray to tray and to permit gas to flow upwardly therethrough from tray to tray. The trays are arranged as a plurality of pre-assembled sub-assemblies, each sub-assembly comprising a plurality of tray portions assembled, prior to introduction into the tower shell, to form a sub-stack of vertically spaced apart, substantially superimposed tray portions. At least some of the sub-assemblies are arranged in a side-by-side relationship in the stack. Each sub-assembly comprises a respective spacer band positioned adjacent to the margin of the superimposed tray portions to define with the adjacent tray portions a chamber which is substantially sealed apart from the apertures in the tray portions.
REFERENCES:
patent: 2611596 (1952-09-01), Glitsch
patent: 3233708 (1966-02-01), Glitsch
patent: 3928513 (1975-12-01), Leva
patent: 3997633 (1976-12-01), Leva et al.
patent: 4075298 (1978-02-01), Leva et al.
patent: 4120919 (1978-10-01), McClain
Trans. Inst. Chem. Engineers, vol. 40, No. 2, pp. 104-113, 1962.
Miles Tim
Ruano William J.
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