Device for the collection of water in a granular material bed fi

Details Device for the collection of water in a granular material bed fi Device for the collection of water in a granular material bed fi

1986-04-18

1988-05-24

Cintins, Ivars

Liquid purification or separation

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

With rehabilitation means

210293, B01D 2310

Patent

active

047464313

ABSTRACT:
A device for the collection of water from a granular material bed filter includes means for injecting water and air through the filtration bed as well as an outer chute provided with a weir for the discharge of water, characterized in that it is made of a storage capacity placed between the filter and the discharge chute and defined by a vertical perforated wall such as a grid situated in vertical alignment with the filter vertical wall, and a plane slanting inwardly to the inside of the filter, said slanting plane connecting the weir for the discharge of the water via the chute to the filter wall situated below the vertical perforated wall such as the grid.

REFERENCES:
patent: 3313420 (1967-04-01), Hirsch
patent: 3600305 (1971-08-01), Edgerton
patent: 4322299 (1982-03-01), Scholten et al.
patent: 4338202 (1982-07-01), Louboutin
patent: 4478726 (1984-10-01), Moore
patent: 4604197 (1986-08-01), Louboutin et al.

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