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Sewage biochemical treatment device

A biochemical treatment device and sewage technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, sustainable biological treatment, etc., can solve the problems of easy-to-run mud and substandard effluent SS, so as to avoid mud-running problems. Effect

Pending Publication Date: 2020-06-05
恩格拜(武汉)生态科技有限公司
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Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect in the prior art that the clarification area of ​​the sewage treatment tank is easy to run mud and cause the effluent SS to fail to meet the standard, thereby providing a sewage biochemical treatment device

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Embodiment 1

[0039] combine Figure 1-2 , This embodiment relates to a sewage biochemical treatment device, including a sewage tank 1, a barrier 2, a membrane filter assembly 4 and an air lift device 3.

[0040] Among them, the barrier 2 is installed in the sewage tank 1, and the barrier 2 divides the sewage tank 1 into the main aeration area 11, the auxiliary aeration area 12 and the air lift / membrane water outlet area 13, and the sewage water inlet is set in the main In the aeration zone 11, the sewage flows through the main aeration zone 11, the air lift / membrane outlet zone 13, the secondary aeration zone 12, and the main aeration zone 11 in the sewage tank 1, and the sewage forms a flow cycle in the sewage tank 1 , The air lift / membrane water outlet area 13 means that this area has both the function of air lift and water outlet. The membrane filter module 4 is installed in the air lift / membrane water outlet area 13. The membrane filter module 4 is used to separate the muddy water to ...

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Abstract

The invention relates to the technical field of sewage treatment, in particular to a sewage biochemical treatment device, which comprises a sewage tank; a blocking member which is installed in the sewage pool and divides the sewage pool into a main aeration area, a gas stripping / membrane water outlet area and an auxiliary aeration area which are communicated in sequence, wherein a sewage inlet isformed in the main aeration area, and sewage circularly flows in the sewage pool by the sequence of the main aeration area, the gas stripping / membrane water outlet area, the auxiliary aeration area and the main aeration area; a membrane filtration assembly, which is arranged in the gas stripping / membrane water outlet area and used for filtering activated sludge to separate mud from water, and a water outlet of the membrane filtration assembly is a purified water outlet; and a gas stripping device which is arranged in the sewage pool and is used for providing power for the circular flow of thesewage. The biochemical reaction tank is combined with a membrane filtration water outlet technology, so that the problems of large occupied area and easiness in mud leakage of a clarification area are effectively solved.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a sewage biochemical treatment device. Background technique [0002] At present, with the continuous development of the economy, my country's water treatment discharge standards are becoming more and more stringent. The discharge standards in many places require that the water quality can stably meet the surface water category IV or surface category III water standards. However, the existing water treatment process can basically only meet the first-level A discharge standard. If a higher discharge standard is to be achieved, either a high price must be paid, or the water quality cannot continue to meet the standard. [0003] Chinese patent document CN209507895U discloses a biochemical sewage treatment tank, which is divided into a main aeration zone, an air lift zone, a sludge stabilization zone, a clarification unit, an inlet channel and an outlet channel; in the tank, ...

Claims

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Application Information

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IPC IPC(8): C02F3/12
CPCC02F3/1268Y02W10/10
Inventor 李明维克·恩格拜熊丽刘勇
Owner 恩格拜(武汉)生态科技有限公司
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