A low-concentration organic sewage treatment system

Abstract

The invention discloses a low-concentration organic wastewater treatment system, which comprises an anoxic pool, an aerobic pool, a packing separation pool, a sand filter and an equipment room connected in sequence. It is connected with the water supply inlet pipe; the anoxic pool is connected with the aerobic pool through the overflow port A; the aerobic pool is provided with an aeration area, and the aerobic pool is covered with porous biological fillers, and the biological fillers are attached with Microbes; the filler separation tank is located outside the outlet of the aerobic tank, and is separated from the aerobic tank by a scum baffle, and there is a gap between the scum baffle and the bottom of the filler separation tank. The beneficial effect of the present invention is: the anoxic pool, the aerobic pool, the filler separation pool and the sand filter are integrated, the biofilm technology and the dynamic sand filter technology are combined, and the PLC control system is used to control the whole sewage treatment process , This kind of sewage treatment configuration has strong impact resistance, ensures the quality of effluent water, reduces operating costs, and can treat various low-concentration organic wastewater.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a low-concentration organic sewage treatment system. Background technique [0002] Small town sewage, hospital sewage, farmhouse sewage, tourist area sewage and other sewage usually have the characteristics of small water volume, large fluctuations in water quality and quantity, remote location, and low economic and cultural level. one of the problems. [0003] At present, for the above-mentioned types of sewage, the treatment process of domestic sewage treatment plants in large and medium-sized cities is usually followed, such as A 2 / O process, oxidation ditch process, SBR process, etc. These processes are simply transplanted to small water volume and low concentration decentralized sewage treatment projects. On the one hand, it is difficult for urban sewage treatment devices to play their due role. On the other hand, On the one hand, the construction cost is high, th...

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Problems solved by technology

[0003] At present, for the above-mentioned types of sewage, the treatment process of domestic sewage treatment plants in large and medium-sized cities is usually followed, such as A 2 / O process, oxidation ditch process, SBR process, etc. These processes are simply transplanted to small water volume and low concentration decentralized sewage treatment projects. On the one hand, it is difficult for urban sewage treatment devices to play their due role. On the other hand, On the one hand, the construction cost is high, the operation cost is high, and the operation management requirements are high

In recent years, China has developed rapidly in the direction of integrated MBR (membrane bioreactor) in recent years. MBR effluent water quality is good, but it has high investment costs, high operating costs, easy membrane fouling, difficult cleaning, and operational management requirements. Very high disadvantages, the promotion and application are greatly restricted

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