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Multi-effect combined mud-water separation system

A mud-water separation and mixed liquid technology, which is applied in water/sludge/sewage treatment, water/sewage treatment, water/sewage multi-stage treatment, etc., can solve the problem of large area occupied by sedimentation tanks and reduce the area occupied , Good effluent quality and reduced floor space

Pending Publication Date: 2018-12-14
利得环境科技(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a multi-effect combined mud-water separation system to solve the technical problem that the sedimentation tank of the sewage treatment system occupies a large area in the prior art

Method used

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  • Multi-effect combined mud-water separation system
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  • Multi-effect combined mud-water separation system

Examples

Experimental program
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Effect test

Embodiment 1

[0036] In the optional scheme of this embodiment, such as figure 1 , figure 2 As shown, a multi-effect combined mud-water separation system provided in this embodiment includes a settling tank 100 in and out of the circle and a magnetically loaded coagulation combined clarification system 200;

[0037] The week-in and week-out sedimentation tank 100 is connected to the magnetic loading coagulation combined clarification system 200 through pipelines;

[0038] The sedimentation tank 100, which enters and exits the week, is a peripheral water inlet and peripheral water outlet auxiliary flow sedimentation tank, which is used for the pre-sedimentation and separation of sludge and water from the sludge mixture, and can separate the mud and water from the mixture of biochemical tanks. The shape of the sedimentation tank is circular;

[0039] The supernatant discharged from the sedimentation tank 100 in and out of the week enters the subsequent magnetic loading coagulation combined ...

Embodiment 2

[0067] In an alternative solution of this embodiment, different from Embodiment 1, the sedimentation tank has a rectangular shape.

Embodiment 3

[0069] In the optional scheme of this embodiment, different from Embodiment 1 or Embodiment 2, the design surface hydraulic load value of the sedimentation tank 100 entering and exiting the circle is 3m 3 / m 2 / h, the area occupied by the sedimentation tank 100 entering and exiting the week and the area occupied by the magnetic loading coagulation combined clarification system 200 are also reduced.

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Abstract

The invention discloses a multi-effect combined mud-water separation system. The system comprises a sedimentation tank with circumferential feeding and circumferential discharging functions and a magnetic loading coagulation combined clarification system. The sedimentation tank with circumferential feeding and circumferential discharging functions is connected to the magnetic loading coagulation combined clarification system through a pipe. The sedimentation tank is an auxiliary flowing-type sedimentation tank realizing circumferential feeding and discharging of water, is used for sludge-waterpre-precipitation separation of a sludge mixed liquid, can realize sludge-water separation of a mixed liquid in a biochemical pool and has a circular structure. The supernatant discharged from the sedimentation tank is fed into the magnetic loading coagulation combined clarification system, and the sludge is returned to the biochemical pool to maintain the sludge concentration in the biochemicalpool. The multi-effect combined mud-water separation system further reduces the covering area of the sedimentation tank by increasing the design surface hydraulic load of the sedimentation tank. SS inthe product water is further removed through the magnetic loading coagulation combined clarification system so that the sludge-water separation requirements are satisfied and the covering area of thesedimentation tank is reduced. The system has a high integrated degree so that the covering area is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a multi-effect combined mud-water separation system. Background technique [0002] In the sewage treatment system with biochemical reaction as the main body, the sedimentation tank is one of the important units to complete the mud-water separation of the mixed liquid in the biochemical tank, so that the activated sludge participating in the biochemical reaction is precipitated and returned to the upstream biochemical reaction unit, so that the separation The final supernatant is discharged out of the treatment system after reaching the discharge standard. [0003] As an important unit of mud-water separation, the sedimentation tank plays a vital role in the SS (suspended solids) index of the clarified supernatant. [0004] Sedimentation tank has an important design index - surface load (also known as "hydraulic load"), that is, the amount of water treated per unit area ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/12
CPCC02F9/00C02F2001/007C02F1/488C02F1/52
Inventor 郑辉
Owner 利得环境科技(北京)有限公司
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