Liquid purification or separation – Structural installation – Geographic
Patent
1986-11-26
1988-05-17
Spear, Frank
Liquid purification or separation
Structural installation
Geographic
210277, 210460, B01D 3502
Patent
active
047448970
ABSTRACT:
An apparatus for clearing the deposition formed on the bottom of a pond comprises a filter device for filtering the deposition, a suction water tube provided in the filter device with a plurality of suction pipes radially connected to one end thereof and capable of swiveling along with the suction water tube, and a plurality of pipings to connect the water suction tube to the filter device. There are suction inlets formed on the suction pipes for aspirating the pond water which is then fed into the filter device through the pipings and filtered therein. There is also provided a driving mechanism for actuating the water suction tube together with those suction pipes connected thereto to slowly swivel in the water of the pond. The water in the culturing pond will be cleaned from time to time so as to provide a good water quality for the culturing of the fishes in the pond.
REFERENCES:
patent: 1506652 (1924-08-01), Maker
patent: 3493116 (1970-02-01), Edmiston
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