Water processing method and device based on water ecosystem
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An ecosystem and water treatment technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. pollution, etc.
Active Publication Date: 2015-09-30
广州太和水生态科技有限公司
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[0003] At present, the highest discharge standard for various wastewater treatment is the first-class A standard of the pollutant discharge standard for urban sewage treatment plants. The effluent treated by urban sewage plants is still inferior to Class V water quality, and it will still cause eutrophication after being discharged into natural water bodies. pollution problem
In addition, the most widely used activated sludge method and biofilm method inevitably produce surplus sludge, which faces high treatment and disposal costs, and landfill disposal requires land, resulting in waste of land resources
The application of membrane treatment and other technologies in advanced treatment can improve the effluent water quality of urban sewage plants, but its cost and operating cost are high
[0004] At present, there is no sewage treatment method with low cost, low energy consumption and high effluent quality.
Method used
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Embodiment 1
[0044] In this embodiment, a kind of water treatment device based on water ecosystem (such as figure 1 As shown), it includes a grid 10 connected in sequence, a grit chamber 20, an algae reactor 30 with algae, an algae-eating insect reactor 40 with algae-eating insects, a water body advanced treatment device and a disinfection device 80, wherein, The water body advanced treatment device is an ecological water treatment pool 50 with aquatic plants, aquatic animals and microorganisms, wherein,
[0045] The grit chamber 20 is provided with a stirring device 203 (comprising a motor and a propeller); the algae reactor 30 is provided with an artificial lighting system 303, an aeration system 304 and a heating system 305; the algae-eating insect reactor 40 is also provided with There is a heating system 403 .
[0046] A kind of water treatment method based on water ecosystem, adopt above-mentioned water treatment device, comprise following steps (flow chart sees figure 2 ):
[00...
Embodiment 2
[0058] In this embodiment, a kind of water treatment device based on water ecosystem (such as figure 1 Shown), the water body advanced treatment device in the water treatment device described in embodiment 1 is replaced by the insect water separator 60 and the constructed wetland system 70 connected in sequence, and the rest of the devices are the same as in embodiment 1.
[0059] A kind of water treatment method based on water ecosystem (flow chart sees figure 2 ), the sewage comes from the domestic sewage collected by the municipal pipe network, adopts the above-mentioned water treatment device, and the steps are the same as embodiment 1, the difference is:
[0060] The intensity of illumination described in step (2) is 3000LX, and the method for described intermittent aeration is every 6h aeration 10h;
[0061] The outlet water of step (4) enters the insect water separator 60 by the water inlet 601 of the insect water separator through the pipeline, and the algae-eating i...
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Abstract
The invention relates to a water processing method and device based on a water ecosystem. The water processing method comprises the steps that 1. after sewage water is preprocessed by a grid and / or a grit chamber, the sewage water is guided out; 2. effluent water is guided into an algae reactor for reaction; 3. mixed liquid obtained after reaction is guided into an algae-eating worm reactor for reaction; and 4. after algae-eating worms in the mixed liquid obtained after reaction are separated, water is guided into an artificial wetland system, or the mixed liquid obtained after reaction is guided into an ecosystem processing system which comprises aquatic animals, aquatic plants and microorganisms, and after processing, water goes out. According to the water processing method, domestic wastewater or other wastewater can be directly processed into earth surface II-III type water, a natural water body cannot be polluted by direct discharging, the method is a low-cost, high-efficiency and recycling processing method, secondary pollution such as surplus sludge during water processing is avoided, and low carbon and environment protection are achieved.
Description
technical field [0001] The invention relates to water treatment technology, in particular to a water treatment method and a device based on a water ecosystem. Background technique [0002] The main methods of water treatment are physical, chemical and biological methods, and the specific processes include: filtration, coagulation sedimentation, activated sludge method, biofilm method, membrane treatment, advanced oxidation technology, etc., as well as the improvement and combination of various treatment methods application. Among them, the activated sludge method and the biofilm method are widely used in the secondary treatment of sewage treatment, and the membrane treatment and advanced oxidation technology are mainly used in the advanced treatment of water treatment. [0003] At present, the highest discharge standard for various wastewater treatment is the first-class A standard of the pollutant discharge standard for urban sewage treatment plants. The effluent treated b...
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