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Device and method for treating sewage by using biological rotating disc

A biological turntable, sewage technology, applied in sustainable biological treatment, chemical instruments and methods, aerobic process treatment and other directions, can solve the problems of low treatment efficiency, high energy consumption, easy detachment of biofilm, etc., to achieve good treatment effect, The effect of increasing the specific surface area and increasing the OH generation rate

Inactive Publication Date: 2014-11-19
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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AI Technical Summary

Problems solved by technology

The discs of biological turntables used at home and abroad have the disadvantages of easy biofilm shedding, low processing efficiency, and high energy consumption.

Method used

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  • Device and method for treating sewage by using biological rotating disc

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Embodiment Construction

[0030] see figure 1 . The device for the advanced treatment of biological turntable effluent provided by the present invention, its main structure includes:

[0031] The bottom of the nano-aeration ablation device 4 is provided with a mud discharge outlet, and a nano-aeration disc 23 is arranged inside and above the mud discharge outlet to connect with the nano-aerator 12 . A temperature controller 1 is installed in the nano-aeration ablation device 4, and the temperature controller 1 is connected to and controls the temperature-sensing head 3 and the heating belt 2 arranged inside. The bubbles in the nano-aeration ablation device 4 are evenly mixed into the sewage, and the sewage is subjected to nano-aeration treatment under the condition of high temperature (50-90°C) nano-aeration, and the intake air of the nano-aeration and ablation device 4 is O 3 , A large number of hydroxyl radicals are obtained through nano-aeration, which plays a strong oxidation role. Under the eff...

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Abstract

The invention discloses a device for treating sewage by using a biological rotating disc. The device mainly comprises four parts, namely a centrifugal machine, the biological rotating disc, a turbulent flow nano aeration recoil screening pool and a nano aeration ablation device. The invention also discloses a method for treating the sewage by utilizing the device. The device has the advantages of simple structure, safety in operation, good treatment effect, convenience in maintenance and management, low operating cost and the like, is particularly suitable for small-water-volume low-concentration wastewater treatment, is obvious in effect of dispersed and contaminated high-load-fluctuation water, does not cause membrane drop and is obvious in sterilization and disinfection effects, and the removal rate can exceed 96 percent aiming at the condition that trace pollutants are difficultly treated.

Description

technical field [0001] The invention relates to a device for advanced treatment of effluent from a biological turntable. [0002] The invention also relates to a method for advanced treatment of sewage by using the above-mentioned device. Background technique [0003] The biological turntable process is a kind of biofilm sewage biological treatment technology, which is the artificial enhancement of sewage irrigation and land treatment. Growth and breeding, the formation of film-like biological sludge - biofilm. After primary treatment in the sedimentation tank, the sewage is in contact with the biofilm, and the microorganisms on the biofilm absorb the organic pollutants in the sewage as nutrients to purify the sewage. In the pneumatic biological turntable, the dissolved oxygen required for microbial metabolism is supplied through the aeration tube located on the lower side of the biological turntable. The gold turning surface is covered with an air cover, and the compress...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F3/08
CPCY02W10/10
Inventor 席北斗王雷李英军张列宇李鸣晓何小松李丹李曹乐
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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