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Nano-aeration coagulation-stirring flocculation device and method for purifying biologically treated sewage

A nano-aeration and biological treatment technology, applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., to shorten the reaction time, improve the dispersion degree, and increase the OH production rate Effect

Inactive Publication Date: 2015-11-25
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Abstract
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  • Claims
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Problems solved by technology

Therefore, the clogging of the filter bed has become a very troublesome problem in sewage treatment.

Method used

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  • Nano-aeration coagulation-stirring flocculation device and method for purifying biologically treated sewage

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Embodiment Construction

[0033] The nano-aeration coagulation-stirring flocculation purification device and method for biological sewage treatment provided by the present invention can efficiently remove pollutants (such as organic matter, microorganisms, inorganic matter and other chemical impurities) in sewage.

[0034] see figure 1 . The nano-aeration coagulation-stirring flocculation purification device for biological sewage treatment provided by the present invention, its main structure includes:

[0035] One side of the nano-aeration coagulation-micro-vortex flocculation device 6 is a water inlet, which is connected to a hydraulic pump 29, and the other side is a water outlet 30 connected to a three-stage recoil screening device 15 through the hydraulic pump 29.

[0036]The bottom of the nano-aeration coagulation-micro-vortex flocculation device 6 is provided with a screw mud feeder 32, and the end of the screw mud feeder 32 is a mud outlet 31; The main reaction zone 1 completes the nano-float...

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Abstract

The invention provides a device for purifying biologically treated sewage through nano aerated coagulation-stirred flocculation. The device mainly comprises a nano aerated coagulation-micro-vortex flocculation device, a three-stage backwashing and screening device and an outlet sump. The invention also discloses a method for treating the sewage by utilizing the device. The device has the effects of optimizing the flocculation efficiency, reducing the reagent consumption, shortening the reaction time, effectively removing pathogenic bacteria and trace organic matters in the sewage and improving the effluent quality and has the removal rate of 100%.

Description

technical field [0001] The invention relates to a nano-aeration coagulation-stirring flocculation purification device for biological treatment of sewage. [0002] The present invention also relates to a method for treating sewage by using the above-mentioned device, and more specifically relates to a method for removing chemical impurities such as organic matter, microorganisms, and inorganic matter in sewage. Background technique [0003] Sewage biological treatment is a general term for treating sewage with biological methods, and it is one of the most widely used methods in modern sewage treatment. Mainly rely on the decomposition of microorganisms to convert the organic matter in the sewage into simple inorganic matter, so that the sewage can be purified. Use the decomposition activities of microorganisms to purify sewage, such as the functions of activated sludge, biological filter, biological turntable, sewage irrigation, and oxidation pond. The sewage biological tre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/08
Inventor 席北斗王雷李英军张列宇黄彩红贾璇李丹李曹乐
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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