Apparatus comprising a tube bundle mounted in a shell and underg

Details Apparatus comprising a tube bundle mounted in a shell and underg Apparatus comprising a tube bundle mounted in a shell and underg

1991-08-06

1992-09-08

Dawson, Robert A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Membrane secured with adhesive of specified composition

21032179, 2103218, 21032189, 2103232, 210354, 210450, B01D 6300

Patent

active

051455803

ABSTRACT:
The invention relates to an apparatus which comprises a plurality of tubes made of a first material, which tubes are mounted inside a cylindrical body or shell made of a second material, which second material undergoes differential thermal expansion in relation to the first material of the tubes. The tubes are rigidly secured by their ends to two end members, at least one of which is a floating member due to the fact that it is connected to the shell by means of a flexible ring gasket. The flexible ring-type gasket has inner and outer edges which are clamped to the floating member and to the shell, respectively. The inventive apparatus is useful, for example, in the ultra filtration separation of fine catalyst particles which are in suspension in a hydrocarbon feedstock which feedstock comes from a catalytic cracking unit.

REFERENCES:
patent: 2042564 (1936-06-01), Sweetland
patent: 3977967 (1976-08-01), Trulson et al.
patent: 4277338 (1981-07-01), Hoagland
patent: 4316802 (1982-02-01), Howell
patent: 4461707 (1984-07-01), Thayer et al.
patent: 4640774 (1987-02-01), Garcera et al.
patent: 5074989 (1991-12-01), Sigaud et al.

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