Automatic back-washing combined filter
A backwashing and filter technology, applied in the direction of filtration separation, filtration circuit, chemical instruments and methods, etc., can solve the problems of filter clogging, insufficient water quality filtration, etc., and achieve high efficiency, fast separation of water and sand, and convenient operation Effect
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[0015] The present invention will be described in detail below with reference to the drawings and embodiments.
[0016] Such as figure 1 , figure 2 As shown, the present invention includes a sand-gravel filter tank 1, a water-sand cyclone 2, a screen filter 3, an impeller agitator 4, and a dust-sand tank 5.
[0017] The sand filter tank 1 of the present invention is supported by the tank support frame 6. A sand inlet 11 is provided on the oblique upper part of the sand filter tank 1, an end cover 12 is provided on the sand inlet 11, and a backwash water outlet 13 is provided on the top of the sand filter tank 1 opposite to the sand inlet 11. An intake and exhaust valve 14 is provided at the center of the top of the sand filter tank 1, and two sides of the intake and exhaust valve 14 are symmetrically provided with lifting lugs 15.
[0018] The water-sand cyclone 2 of the present invention is arranged inside the sand filter tank 1. The water-sand cyclone 2 includes a water-sand cycl...
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