Contact towers with leak-proof support of improved plate subasse

Gas and liquid contact apparatus – Contact devices – Wet baffle


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52246, B01D 322




A gas-liquid contact tower comprises a tower shell and a plurality of superimposed generally horizontal contact plates mounted in vertically spaced relation within the tower shell, with the plates being grouped into at least one subassembly thereof. A supporting and sealing arrangement is provided for removably supporting said plate subassembly within the tower shell and for preventing any of the contact liquid from bypassing the plate subassembly. The supporting and sealing arrangement includes a first annular component permanently secured and sealed to adjacent inner surfaces of the tower shell, and a second annular component joined circumferentially to the plate subassembly and sealed detachably and circumferentially to the first supporting and sealing component. An annular gasket arrangement is inserted generally between the first and second components of the supporting and sealing arrangement and is circumferentially loaded by a loading arrangement mounted on at least one of the components. Other features of the invention include novel arrangements for draining liquid accumulating on the supporting and sealing arrangement, for shielding the supporting and sealing arrangement against the accumulation of liquid and for leveling the plate subassembly or for aligning the same with the supporting and sealing arrangement after the subassembly is placed within the tower.
A contact plate subassembly for use in a contact tower comprises a top contact plate and a bottom contact plate, together with a number of intermediate contact plates. A plurality of spacing and sealing rings alternate with the plates. The top or bottom contact plate of the subassembly has a peripheral extension or flange for mounting purposes, and a stabilizing ring is secured to the mounting extension. Alternatively a flanged baffle can be joined to the plate subassembly for mounting purposes.

patent: 1749266 (1930-03-01), Sontag
patent: 2341091 (1944-02-01), Glitsch
patent: 2582826 (1952-01-01), Glitsch
patent: 2611457 (1952-09-01), Glitsch
patent: 2860860 (1958-11-01), Wilson
patent: 3367638 (1968-02-01), Leva
patent: 3446489 (1969-05-01), Leva


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