Apparatuses for fluidizing a filter media plug

Details Apparatuses for fluidizing a filter media plug Apparatuses for fluidizing a filter media plug

1976-06-17

1978-02-21

Spear, Jr., Frank A.

Liquid purification or separation

Particulate material type separator, e.g., ion exchange or...

With rehabilitation means

55390, B01D 2324

Patent

active

040751015

ABSTRACT:
Two vertical flow filters for carrying out various methods for rapidly fluidizing a plug are disclosed.
An apparatus comprises a vertical elongated granular media filter having vertically spaced apart plug-breaking-up jets on one side from top to bottom for ejecting high pressure fluid horizontally at the plug for fluidizing it, one portion at a time, starting either at the top or the bottom of the filter. The second apparatus comprises a horizontal cylindrical elongated granular media filter having vertically spaced apart groups of jets on both sides, the jets of each group being in horizontal rows on two opposite sides whereby each successive horizontal row, including both rows on each horizontal plane through the filter, breaks up its respective portion of the plug, starting either at the bottom and working up or starting at the top and working down.

REFERENCES:
patent: 384539 (1888-06-01), Olphant
patent: 961180 (1910-06-01), Utlley
patent: 2309916 (1943-02-01), Palmer
patent: 2789696 (1957-04-01), Jahnig et al.
patent: 2992986 (1961-07-01), Ingram

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