A high-speed turbulent flow bioreactor and sewage treatment system

Abstract

The invention provides a high-speed turbulent flow bioreactor and a sewage treatment system. The reactor includes anoxic reaction pool, aerobic reaction pool, jet pool, high-speed turbulence device, built-in ultrafiltration membrane and backwashing device. The sewage in the anoxic reaction pool can flow into the jet pool through the overflow weir I, and the water in the jet pool The sewage enters the aerobic reaction tank through the action of the pump and high-speed turbulence. The ultrafiltration membrane is installed in the aerobic reaction tank. The sewage in the aerobic reaction tank can flow into the anoxic reaction tank and the jet flow through the overflow weir II and overflow weir III respectively. pool, the sewage in the aerobic reaction pool is pumped out through the ultrafiltration membrane through the action of the pump, and the backwashing device is connected with the outlet of the ultrafiltration membrane. Compared with the prior art, the present invention ensures high biochemical degradation efficiency by setting high-speed turbulators and built-in ultrafiltration membranes in the aerobic reaction tank, and does not need to set up secondary sedimentation tanks and The independent sludge return system can also ensure the high water quality requirements of the effluent, which can reduce energy consumption and operating costs.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a high-speed turbulent flow bioreactor and a sewage treatment system. Background technique [0002] The activated sludge method is a treatment method that uses activated sludge as the main body and uses aerobic bacteria to decompose organic substances in water. Activated sludge is a visible flocculent composed of a variety of viable microbial groups in wastewater. The main organisms are aerobic microorganisms and other protozoa, which are used to adsorb organic substances such as phenol and cyanide in wastewater, and then oxidize them. Decomposition, the organic matter is finally converted into water and carbon dioxide. [0003] The activated sludge method is the most widely used method to treat industrial wastewater at this stage, which can remove dissolved organic substances and colloidal biodegradable organic substances from wastewater, as well as suspended substance...

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to provide a high-speed turbulent flow bioreactor to solve the technical problem that the existing A / O process needs to be equipped with a secondary settling tank and an independent sludge return system, and the energy consumption is high, resulting in high operating costs.

[0012] Another object of the present invention is to provide a sewage treatment system comprising the above-mentioned high-speed turbulent flow bioreactor, so as to solve the problem that the existing A / O process needs to be provided with a secondary settling tank and an independent sludge return system, and the energy consumption is relatively high, thereby Technical issues leading to higher operating costs

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