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Vertical subsurface flow constructed wetland sewage purification device and method

A vertical submerged flow, constructed wetland technology, applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc. To reduce the cost and cost, avoid secondary pollution, and improve the quality of sewage

Inactive Publication Date: 2014-12-10
席北斗
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the traditional underground infiltration system has some disadvantages, such as low hydraulic load, large footprint, easy to block and short service life, etc., which limits its popularization and use

Method used

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  • Vertical subsurface flow constructed wetland sewage purification device and method

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Embodiment Construction

[0026] The vertical underflow constructed wetland sewage purification device and method of the present invention can efficiently remove organic matter, nitrogen, phosphorus and other pollutants in sewage.

[0027] The vertical underflow constructed wetland sewage purification device provided by the present invention is as figure 1 As shown, its main structure includes:

[0028] The vortex air flotation device 4 is mainly divided into three parts: the aeration area 23, the slag scraping area 26, and the water outlet area 8 of the vortex air flotation device. The aeration area 23 is provided with a nano aeration head 24 connected to a nano aerator 25 , constitute the vortex concave aerator by nanometer aeration head 24, nanometer aerator 25, impeller 3 and motor 1, the air intake of nanometer aeration head is O 2, used to generate nano-bubbles to enhance the air flotation effect. The impeller 3 and the motor 1 are fixed on the upper end of the vortex concave air flotation devi...

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Abstract

The invention discloses a vertical subsurface flow constructed wetland sewage purification device which is mainly composed of a cavitation air flotation device, a biological rotating disc-biological filter composite device, a vertical subsurface flow constructed wetland and a cyclone sand removal device. The invention also discloses a method for treating phosphorus-containing organic wastewater by utilizing the vertical subsurface flow constructed wetland sewage purification device. According to the invention, residual ammonia nitrogen and other polluted substances in the sewage can be efficiently removed, the quality of the sewage is improved, and secondary pollution in the treatment process is avoided. Meanwhile, a power-free transfer technology is adopted, a sewage treatment method is expanded by virtue of a mechanical method, and the construction cost and expense of advanced sewage treatment can be greatly reduced.

Description

technical field [0001] The invention relates to a process for removing pollutants such as organic matter, nitrogen and phosphorus in sewage, and in particular to a sewage purification device for a vertical underflow artificial wetland. [0002] The invention also relates to a method for treating phosphorus-containing organic wastewater by using the above-mentioned device. Background technique [0003] A / O is the abbreviation of Anoxic / Oxic. It uses anaerobic hydrolysis technology as the pretreatment of aerobic biological treatment. Its advantage is that in addition to degrading organic pollutants, it also has a certain denitrification and phosphorus removal function. . The A / O biological phosphorus removal process is a sewage biological treatment system composed of anaerobic and aerobic two-part reactions. After the sewage enters the anaerobic zone, the phosphorus accumulating bacteria in the reactor absorb a large amount of BOD in the sewage during this process, and relea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
Inventor 席北斗王雷李英军
Owner 席北斗
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