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High-density sedimentation internal circulating integrated sewage treatment equipment

A kind of sewage treatment equipment, high-density technology, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. Problems such as application limitations, to achieve the effect of convenient construction, installation and operation, uniform response, and compact structure

Active Publication Date: 2014-12-03
CHINA WATER RESOURCES PEARL RIVER PLANNING SURVERYING & DESIGNING +1
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Problems solved by technology

[0003] However, the application of the above technologies in the field of small-flow, high-concentration sewage treatment is limited. Due to the small amount of water, the reaction section of the high-efficiency sedimentation tank is prone to alum flower precipitation, and black mud floating phenomenon will occur for a long time
However, the current anaerobic reactors are generally high in height, and it is difficult to adopt them in small-scale sewage treatment systems.

Method used

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  • High-density sedimentation internal circulating integrated sewage treatment equipment

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Embodiment Construction

[0031] The present application is further described in conjunction with the following examples.

[0032] The high-density sedimentation internal circulation integrated sewage treatment equipment of this application, such as figure 1 As shown, it includes high-density floc sedimentation device I, anaerobic reaction device II, aerobic reaction device III and sedimentation device IV arranged in sequence;

[0033] The high-density floc sedimentation device I includes the main body A of the first reaction section and the main body B of the first sedimentation section, the water inlet pipe 1 arranged in the middle of the main body A of the first reaction section, and the fluid in the water inlet pipe 1 enters the guide ring 3 from the bottom The flow ring 3, the agitator 2, the baffle plate 7 used to separate the main body A of the first reaction section and the main body B of the first sedimentation section, and the front sludge hopper 8 located at the bottom of the main body B of ...

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Abstract

The invention discloses high-density sedimentation internal circulating integrated sewage treatment equipment and relates to the field of sewage treatment technology. The sewage treatment equipment comprises a high-density floc settling device, an anaerobic reaction device, an aerobic reaction device and a settling device. according to the sewage treatment equipment, a deflector is arranged in the high-density floc settling device, so as to change the flow state of fluid and avoid generation of floc settling; a jet water distributor is added in the anaerobic reaction device to avoid short flow of sediment water from the high-density floc settling device; under strong impact of jet flow, sludge at the bottom of the anaerobic reaction device is completely mixed with sewage, and no dead angle is generated during a stirring process, so that uniformity of water distribution and complete reaction are guaranteed; the sewage treatment equipment has a remarkable effect in small-scale sewage treatment, and can be applied to treatment of domestic sewage and industrial sewage as well as to nitrogen and phosphorus removal processes; since four devices are designed to be a whole, the structure of the equipment is compact and investment cost and operation cost are reduced.

Description

technical field [0001] The application relates to the technical field of sewage treatment, in particular to high-density sedimentation internal circulation integrated sewage treatment equipment. Background technique [0002] In recent years, with the development of my country's environmental protection industry, sewage treatment technology has also made great progress. Among them, high-efficiency sedimentation tanks and anaerobic reactors have been widely used. High-efficiency sedimentation is a technology that combines ordinary coagulation sedimentation with shallow sedimentation to form high-density floc sedimentation, thereby improving sedimentation efficiency and reducing floor space. Anaerobic reactors are widely used due to their advantages of high load and low energy consumption. [0003] However, the application of the above technologies in the field of small-flow, high-concentration sewage treatment is limited. Due to the small amount of water, the reaction secti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
Inventor 黎忠章万喜
Owner CHINA WATER RESOURCES PEARL RIVER PLANNING SURVERYING & DESIGNING
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