By-pass and synchronized blow system and method for rotary vacuu

Details By-pass and synchronized blow system and method for rotary vacuu By-pass and synchronized blow system and method for rotary vacuu

1975-11-21

1977-06-28

Lutter, Frank W.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210108, 210130, 210278, 210333R, 210393, 210408, 210411, 210416R, 210425, B01D 2324

Patent

active

040324427

ABSTRACT:
A method and system for use with rotary vacuum filters having a plurality of circumferentially spaced filter segments, for selectively applying blower air to the filter segments at predetermined rotational positions at which relatively unrestricted openings to the valve ports are provided to thereby blow the filter segments, and for bypassing the stream of blower air to the atmosphere when the filter segments are not blown. The apparatus for practicing the invention may also include a blow-back trap for trapping excessive amounts of residual blow-back filtrate during blowing of the filter segments.

REFERENCES:
patent: 2352304 (1944-06-01), Young
patent: 2624364 (1953-01-01), Detlefsen
patent: 2720315 (1955-10-01), Peterson
patent: 2851161 (1958-09-01), Dahlstrom et al.
patent: 3015397 (1962-01-01), Schwartz
patent: 3253712 (1966-05-01), Posgate
patent: 3397784 (1968-08-01), Carr
patent: 3409134 (1968-11-01), Wallace et al.
patent: 3459275 (1969-08-01), Prillwitz et al.
patent: 3485378 (1969-12-01), Regel
patent: 3513981 (1970-05-01), Mendelow

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