Reutilization system for safe irrigation of sewage
A resource-based and safe technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problem of weak concepts of resource utilization and failure to consider how to retain nutrients in sewage, etc. problems, achieve the effect of reducing the demand for dissolved oxygen, reducing energy consumption, and realizing recovery
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[0017] The present invention will be further described below in conjunction with specific embodiments and drawings.
[0018] The combined packing used in the system of the present invention is a Ф150mm×80mm packing, the central rope of the combined packing is a plastic rope, and the surrounding is aldehyde fiber or polyester filament evenly pressed on the double-circle large plastic ring, and the length of the combined packing packing bundle is 0.4 m, the number of packing bundles is 8, and the packing bundles are evenly suspended in the combined packing area; the packing in the packing area is ceramsite with a diameter of 3-6mm.
[0019] Such as Figure 1~2 As shown, the recycling system for safe sewage irrigation of the present invention includes an anaerobic tank 1 and an aerobic biological filter 2, and also includes a connecting pipe 3. The anaerobic tank 1 is sequentially divided into an inlet area 4 and a combined filling area 5 and sedimentation zone 6, the aerobic biologi...
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