Self-anchored immersed ecological filter bed and method thereof for purifying micro-polluted surface water in situ
An ecological filter bed, immersion technology, applied in the field of water treatment, can solve the problems of difficult implantation of microorganisms and algae, unsatisfactory water purification effect, and insufficient surface area, and achieves fast construction speed, resistance to hydraulic load impact, and high efficiency. The effect of large surface area
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[0013] refer to figure 1 , figure 2 The filter bed of the present invention includes a three-dimensional rectangular frame 5, parallel ropes 2, contact oxidation fillers 6 and biofilms 4. The parallel ropes 2 are several and are correspondingly arranged on the upper surface and the lower surface of the three-dimensional rectangular frame 5, and the contact oxidation fillers 6 are bound on the upper surface. Between the parallel rope 2 on the surface and the lower surface, the biofilm 4 is attached to the surface of the contact oxidation filler 6; the anchor weight 3 is connected to the bottom of the three-dimensional rectangular frame 5, and is connected by rope; the three-dimensional rectangular frame 5 is made of moso bamboo or low-density materials , which is bound with contact oxidation filler 6, such as elastic filler, soft filler, semi-soft filler or combined filler; its low-density materials include: wood, sealed PVC or UPVC pipes, etc. The self-anchoring submerged ec...
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