Tubular pressure filter

Details Tubular pressure filter Tubular pressure filter

1986-02-10

1988-02-16

Fisher, Richard V.

Liquid purification or separation

Plural distinct separators

Filters

210346, 210450, 210451, 210486, 55484, B01D 2924, B01D 4624

Patent

active

047253568

ABSTRACT:
A filter apparatus for clarifying liquids or gases includes a tank having a rigid horizontally disposed tube sheet contained therein for supporting a plurality of elongate tube filter elements. Each tube filter has an enlarged hub at one end configured with an exterior annular beveled surface. The tube sheet has apertures through which the tube filters extend and each aperture is configured with an interior annular beveled surface serving to cooperate with the beveled surface of a tube filter and prevent its downward movement within the tank. A gasket is interposed between the beveled surfaces of the tube sheet aperture and tube filter, and pins extend at an angle through the tube sheet into the hub of each filter for securing the filters in compressed engagement with the gaskets. The arrangement of the beveled surfaces and pins is such that the filter tubes remain sealed to the tube sheet regardless of the effects of differing coefficients of thermal expansion as between the filter tubes and tube sheet.

REFERENCES:
patent: 4461707 (1984-07-01), Thayer et al.
patent: 4522661 (1985-11-01), Morgan
patent: 4522669 (1985-11-01), Sekellick
patent: 4522717 (1985-06-01), Brust
patent: 4604201 (1986-08-01), Muller

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