Exchange column, perforated tray assembly

Details Exchange column, perforated tray assembly Exchange column, perforated tray assembly

2007-09-18

2007-09-18

Bushey, Scott (Department: 1724)

Gas and liquid contact apparatus

Contact devices

Wet baffle

C261S114500

Reexamination Certificate

active

11124046

ABSTRACT:
In, for example, a gas-liquid, liquid/liquid exchange column, perforated tray assemblies are provided which have a plurality of adjacent tray sections with slots adjacent rounded leading edges of the sections, and catches extending along trailing edges which interlock in the slots of an adjacent section. This interlocking avoids the use of bolted joints which cause stagnant areas where sediment accumulation occurs, resulting in reduced gas-liquid and liquid/liquid contact, and the need for the tray sections to be frequently cleaned. Perforated domes may be provided on perforations to reduce stagnant areas.

REFERENCES:
patent: 3233708 (1966-02-01), Glitsch
patent: 4120919 (1978-10-01), McClain
patent: 6068244 (2000-05-01), Burton et al.
patent: 6422539 (2002-07-01), Burton et al.
patent: 6592106 (2003-07-01), Eaton, Jr.
patent: 6629687 (2003-10-01), Gage
patent: 6755943 (2004-06-01), Mizutani et al.
patent: 2003/0019737 (2003-01-01), Matsumoto et al.

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