Aerobic and anoxic dual-purpose wastewater treatment biological expansion bed device and process
A wastewater treatment and expanded bed technology, which is applied in aerobic and anaerobic process treatment, biological treatment devices, biological water/sewage treatment, etc., can solve the problem of reduced effective utilization of reactors, narrow use range of environmental protection facilities, idle rate and High elimination rate and other problems, to achieve the effect of improving biological reaction efficiency, avoiding short circuit of water flow, and solving plugging of packing
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[0047] The present invention will be further described in detail below in conjunction with the drawings.
[0048] It should be emphasized that the following description is only exemplary, and is not intended to limit the scope of the present invention and its application.
[0049] Such as Figure 1-3 As shown, an aerobic and anoxic wastewater treatment biological expanded bed device includes: a feed tank 1, a feed pump 2, a biological expanded bed, an ultrasonic cleaning device, a heating cycle device, a circulating pump 16, and a gas flow meter 21 And the gas automatic control device 22;
[0050] From bottom to top, the biological expanded bed is respectively the supporting layer 4, the packing area 5, the connecting section and the water outlet area 6. The packing area 5 and the water outlet area 6 are connected by the connecting section; the cross-sectional area of the water outlet area 6 is larger than the filler The cross-sectional area of zone 5; a three-phase separator 1...
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