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Artificial wetland sewage treatment method and system

A technology of sewage treatment system and artificial wetland, which is applied in the field of water treatment, can solve the problems of large occupied area, and achieve the effects of low operating cost, simple process flow, and convenient operation and management

Inactive Publication Date: 2010-12-15
北京清水生态环境工程股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although this method has greatly improved compared with the previous method, it still occupies a large area.

Method used

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  • Artificial wetland sewage treatment method and system
  • Artificial wetland sewage treatment method and system
  • Artificial wetland sewage treatment method and system

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Embodiment Construction

[0052] In order to further explain the technical means and effects adopted by the present invention to achieve the intended purpose of the invention, the specific implementation methods, steps, The structure, characteristics and functions are described in detail.

[0053] see figure 1 Shown is a schematic diagram of a preferred embodiment of the constructed wetland sewage treatment system of the present invention. The constructed wetland sewage treatment system in a preferred embodiment of the present invention includes a grid regulating pond 1, a series biochemical pond 2, a water inlet valve well 3, a vertical flow constructed wetland 4 and a water regulating well 5.

[0054] see figure 2Shown is a schematic diagram of the grid pool of the present invention. The above-mentioned grid tank 1 includes a grid oil isolation chamber 6 and a regulating tank 9 . The grating oil isolation chamber 6 is a pool structure, one side is the water inlet side, and the other side is the ...

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Abstract

The invention relates to an artificial wetland sewage treatment method and system. The system of the invention comprises a bar screen adjusting tank, a series biochemical tank and a vertical-flow artificial wetland which are communicated in sequence, wherein the bar screen adjusting tank is used to filter the suspended matter and isolate the oil slick; the series biochemical tank contains at least one aeration tank and sedimentation tank in series; the vertical-flow artificial wetland contains mixed medium and plant roots. The artificial wetland sewage treatment method comprises the steps of pretreatment, aeration-sedimentation treatment and vertical-flow artificial wetland treatment. The system of the invention can better remove organic matter, inorganic matter, ammonia nitrogen, nitrogen, phosphorus and other pollutants in sewage; and the system has small floor space, high treatment efficiency and low operating cost and also has landscape effect.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a sewage treatment method and system for constructed wetlands. Background technique [0002] Existing constructed wetland sewage treatment technologies include compound vertical flow constructed wetland oxygenation system and submerged flow constructed wetland automatic oxygenation system. The main purpose of these technologies is to solve the problem of low dissolved oxygen content in constructed wetlands and at the same time strengthen the ammonia nitrogen in sewage. removal rate. [0003] The subsurface flow wetland sewage treatment process has the disadvantages of insufficient aerobic oxygen and incomplete ammonia nitrogen treatment, which may easily cause the effluent of the subsurface flow wetland to smell. [0004] The existing form of water distribution in vertical flow artificial wetlands is uniform distribution from the surface of the wetland to the bottom of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F3/12C02F3/32C02F1/52
CPCY02W10/10
Inventor 李跃起薛慧
Owner 北京清水生态环境工程股份有限公司
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