Hydraulic discharge system

Details Hydraulic discharge system Hydraulic discharge system

1982-07-19

1984-01-31

Cintins, Ivars C.

Liquid purification or separation

Plural chambers with movement of granules therebetween

210268, B01D 2316

Patent

active

044288360

ABSTRACT:
An hydraulic system for the discharge of a bed of granular material supported on a screen (3), for example a sand filter, comprises an upright cylindrical vessel (1) with a horizontal plate (2) at the lower end of the vessel to support the bed of granular material. The support plate carries screens (3) to allow the passage of water and to block the passage of bed material. The vessel is provided with entry and discharge ports (8 and 10) and a ring of fluidizing jets (13) is located a short distance above the support plate (2). A discharge pipe (11) rises through the bed. The bed of material can be discharged hydraulically from the vessel through the discharge pipe (11) without any mechanical items requiring maintenance within the vessel (1).

REFERENCES:
patent: 3575294 (1971-04-01), Hirowatari et al.

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