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Reaction pool of waste water biological treatment

A technology for biological sewage treatment and reaction tank, which can be used in sustainable biological treatment, biological water/sewage treatment, water/sludge/sewage treatment, etc., and can solve problems such as unbalanced oxygen supply.

Inactive Publication Date: 2004-02-11
SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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Problems solved by technology

[0007] The purpose of the present invention is to provide a sewage biological treatment reaction tank that can operate alternately and evenly with blast aeration, so as to solve the problem of unbalanced oxygen supply caused by the difference in water level and the change of pollutant concentration in each grid aeration tank in the traditional reaction tank, and realize Reasonable arrangement of the entire aeration system and the purpose of being economical and effective

Method used

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  • Reaction pool of waste water biological treatment
  • Reaction pool of waste water biological treatment
  • Reaction pool of waste water biological treatment

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] The present invention mainly includes a reaction pool, an aeration diffusion device 1 and a stirring device 2 arranged in the pool, and is characterized in that: the reaction pool is divided into three unit pools 3, and pipes are connected between the three unit pools, and each unit The pools 3 are equipped with an aeration diffusion device 1 and a stirring device 2 , and the unit pools on both sides are provided with a water inlet and outlet 4 , a water outlet weir 5 and a sludge discharge outlet 6 .

[0018] In accompanying drawings 1 and 2, S represents precipitation, DN represents anaerobic, anoxic, t represents time series, N represents aerobic nitrification, T represents residence time (h).

[0019] The present invention combines the characteristics of sewage biological treatment process with alternating operation and uniform blast aeration...

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Abstract

The reaction pool for biological waste water treatment includes three pool units communicated via pipe, each pool unit is provided with aeration diffuser and stirrer, and the pool units in two ends has water inlet, water outlet, water draining weir and sludge draining outlet. Based on the features of biological waste water treatment combining alternate running and homogeneously blowing and aeration, the arranged heights of the aeration diffusers are regulated to balance the oxygen supply and realize the reasonable arrangement of the whole aeration system.

Description

Technical field: [0001] The invention belongs to the technical field of sewage treatment involved in civil engineering and environmental protection engineering, and in particular relates to a sewage biological treatment reaction pool which operates alternately and uniformly blows and aerates in a sewage treatment plant. Background technique: [0002] At present, the sewage biological treatment reaction tank is involved in the design and operation of the sewage treatment plant. The sewage degrades the pollutants in the sewage through various functions of the activated sludge in the biological reaction tank, and is discharged after reaching the discharge standard. [0003] The activated sludge system in the prior art is mainly composed of a reaction tank, an aeration system, a sludge return system, and an excess sludge discharge system. Among them, the reaction tank is a place where activated sludge composed of various microorganisms is fully mixed with organic pollutants in s...

Claims

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Application Information

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IPC IPC(8): C02F3/02C02F3/12C02F3/20
CPCY02W10/10
Inventor 张辰胡维杰
Owner SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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