Solar energy constructed wetland system

A constructed wetland system and a technology for constructed wetlands, which are applied in the field of sewage treatment, can solve the problems of limited microbial action, long hydraulic retention time, and clogging of filter materials, and achieve the effect of improving sewage treatment efficiency, small footprint, and strengthening effect.

Active Publication Date: 2014-10-15
NORTHWEST INST OF ECO-ENVIRONMENT & RESOURCES CAS
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Problems solved by technology

[0004] Compared with other traditional sewage treatment processes, the constructed wetland has a longer hydraulic retention time in the sewage treatment process. The organic matter, nitrogen, phosphorus and other harmful substances in the sewage of the constructed wetland are mainly removed by the adsorption of the filter material, and the gaps

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Embodiment

[0034]In a preferred embodiment, the constructed wetland pool body is 1.5m long, 1.2m wide, and 1.2m high; The distance from the bottom of the pool is 5cm, and the top of the gravel layer is 1cm~1.5cm of gravel; the artificial mixed matrix layer is 8mm~10mm thick, the thickness of the artificial mixed matrix layer is 30cm, the particle size of the sandstone is 3mm~7mm, and the thickness of the sandstone layer is 20cm , the thickness of the sandy soil layer is 10cm, and cattails are planted on the sandy soil layer; two layers of immobilized microbial plates are installed on the upper and lower sides of the immobilized microbial layer, and each layer is installed with 4 pieces. The size of each immobilized microbial plate: length × width × height: 45cm × 25cm ×6cm, the aeration device is installed on the upper end of the artificial matrix mixed layer at the lower end of the immobilized microbial plate, and the aeration branch pipe adopts microporous aeration; the water intake is ...

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Abstract

The invention discloses a solar energy constructed wetland system. The system comprises a constructed wetland pond, a water inlet pipeline, an aerating device, a water outlet unit, immobilized microbe plates and a solar panel, wherein the constructed wetland pond comprises five layers from top to bottom, namely, a sand soil layer, a sand and rock layer, an immobilized microbe layer, an artificial mixed substrate layer and a gravel layer in sequence; the water inlet pipeline consisting of a water inlet pipe and a water distribution branch pipe is arranged on the gravel layer; the immobilized microbe plates are mounted on the immobilized microbe layer; the aerating device is mounted on the lower sides of the immobilized microbe plates; a steel mesh is arranged between the immobilized microbe layer and the sand and rock layer; the water outlet unit consists of a water outlet hole, a water collecting tank and a water collecting tank drainage pipe; the constructed wetland pond is constructed through adopting a steel-concrete structure; a thermal insulation layer is arranged at the inner part of the pool body of the constructed wetland pond. The system provided by the invention has the advantage that through combining a microbic method and the constructed wetland organically, the constructed wetland sewage treatment efficiency is improved effectively.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a solar artificial wetland system. Background technique [0002] Constructed wetland is a new type of sewage treatment process developed in the 1970s. It utilizes the triple synergy of physics, chemistry and biology in the natural system to purify sewage. Constructed wetland sewage treatment technology has the advantages of good treatment effect, high nitrogen and phosphorus removal rate, convenient operation and maintenance, low engineering infrastructure and operation costs, so it is widely used in domestic sewage treatment, industrial sewage treatment, mining and oil exploration, agricultural sites source and non-point source pollution and water eutrophication. [0003] The traditional activated sludge method is widely used in sewage treatment, mainly because activated sludge contains a large number of active microorganisms, which can quickly and effectively remove organic mat...

Claims

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Application Information

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IPC IPC(8): C02F3/32C02F3/34
CPCY02W10/37
Inventor 谢众
Owner NORTHWEST INST OF ECO-ENVIRONMENT & RESOURCES CAS
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