Partial-immersion rotary disc filter tank used for deep treatment of sewage and reuse of reclaimed water
A rotary disc filter, advanced treatment technology, applied in the direction of filtration separation, separation method, mobile filter element filter, etc., can solve the problems of sewage pollution of the collection tank, limited effective filtration depth, and impact on the effluent quality, etc. The effect of saving civil construction investment cost, saving re-investment, and small hydraulic loss
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Embodiment 1
[0035] Such as Figure 1-3 As shown, the partially submerged fiber rotary filter tank body used for the advanced sewage treatment process and the filtration treatment of reclaimed water includes: inlet channel 1, central tube support pier 7, sewage pool 4, clear water channel 11, and outlet channel 12. According to the flow direction of water, arrange the water inlet channel 1, water inlet weir, filter plate 3, and water outlet channel 12 in sequence;
[0036] The water inlet weir is provided with an electric rotary adjustment weir gate 2, and the water inlet channel is connected to the filter disc, and the surface of the filter disc is covered with a filter cloth made of hydrophilic synthetic fiber; the middle part of the filter disc passes through the center The barrel is connected to the clear water canal 11, a water outlet weir is set between the clear water canal 11 and the water outlet canal 12, and the water outlet electric rotary adjustment weir gate 6 is arranged on t...
Embodiment 2
[0047] Adopt and the device of embodiment 1 system, operating parameter is:
[0048] The filtering operation includes: the sewage enters the sewage pool through the water inlet channel 1, the liquid level is adjusted by the electric rotary weir gate until the turntable is submerged to 70%, the reducer controls the speed of the filter disk to 4r / min to soak the filter cloth; the filtered clean water Collected by the central cylinder and quickly discharged to the clear water channel 11;
[0049] After 2 hours, start the reducer to drive the filter disc to rotate, and start backwashing.
[0050] The backwashing operation includes: the rotation speed of the filter disc during backwashing is 2r / min; the filtered clear water in the filter disc 3 is extracted to flush the filter cloth in reverse. The filtration flux of the filter cloth is restored, and the liquid level in the sewage tank drops. The backwash water discharged by the backwash drain pipe 9 is discharged for other treat...
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