Ecological sewage treatment system and method

A technology of sewage treatment system and biochemical treatment pool, applied in biological water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problems of large environmental impact and high operation and maintenance costs, and achieve Fewer power equipment, reduce secondary pollution, increase the effect of landscape effect

Pending Publication Date: 2019-08-02
THUNIP CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an ecological sewage treatment system and method to solve the problems in the prior art that the sewage treatment method has a large impact on the environment and high operation and maintenance costs

Method used

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  • Ecological sewage treatment system and method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The first embodiment of the present invention provides an ecological sewage treatment system, which includes a pretreatment system 1, a biochemical treatment tank 2 and a post-treatment tank 3; the pretreatment system 1 is sequentially provided with a grid area and a sand settling area 11, starting from the biochemical treatment tank The bottom of 2 is provided with a sludge area 21 and a microbial treatment area in turn. The microbial treatment area is provided with a comprehensive treatment device 5, the water inlet pipe 4 is set between the sludge area 21 and the microbial treatment area, and the post-treatment tank 3 is set in the comprehensive Processing device 5 downstream.

[0029] The ecological sewage treatment system provided by the present invention can effectively remove the organic matter in the sewage by setting up a pretreatment system 1, a biochemical treatment tank 2 and a post-treatment tank 3, and setting a microbial treatment zone and a comprehensive tre...

Embodiment 2

[0053] Such as image 3 As shown, the second embodiment of the present invention provides a sewage treatment method, including the ecological sewage treatment system as in the first embodiment;

[0054] The sewage treatment method includes the following steps:

[0055] S01, the sewage is passed into the pretreatment system 1, and the sewage flows into the biochemical treatment tank 2 after passing through the grid area and the grit area 11;

[0056] S02, the sewage flows into the post-treatment tank 3 after being degraded by the microbial treatment zone in the biochemical treatment tank 2;

[0057] S03, the sewage is treated by the post-treatment tank 3, and if it reaches the standard, it will be discharged or recycled.

[0058] The sewage treatment method provided in the second embodiment of the present invention, by using the ecological sewage treatment system in the first embodiment, can well purify the sewage and ensure the sewage treatment effect. At the same time, using this met...

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Abstract

The invention provides an ecological sewage treatment system and method. The ecological sewage treatment system comprises a pre-treatment system, a biochemical treatment tank and an aftertreatment tank; a grille area and a sand setting area are sequentially arranged in the pre-treatment system, a sludge area and a microbiological treatment area are arranged upwards from the bottom of the biochemical treatment tank in sequence, a comprehensive treatment device is arranged in the microbiological treatment area, a water inlet pipe is arranged between the sludge area and the microbiological treatment area, and the aftertreatment tank is arranged at the downstream part of the biochemical treatment tank. According to the ecological sewage treatment system, the pre-treatment system, the biochemical treatment tank and the aftertreatment tank are arranged, and the comprehensive treatment device is arranged in the biochemical treatment tank, so that pollutants such as COD, ammonia nitrogen, total nitrogen and the like in the sewage can be effectively removed. The sludge area and the anaerobic area are arranged at the bottom of the biochemical treatment tank, and therefore, the overall biochemical treatment area can be ensured to be free of peculiar smell and secondary pollution to the environment is reduced.

Description

Technical field [0001] The invention relates to the field of sewage treatment, in particular to an ecological sewage treatment system and method. Background technique [0002] The sewage treatment plant treats the sewage collected by the urban water inlet pipe network through a series of physical, chemical, and biochemical processes into environmentally acceptable water quality to reduce pollution to the natural environment. At present, nearly 5,000 sewage treatment plants have been built nationwide, mainly using two sewage treatment methods. [0003] One is to use traditional water treatment technology to form a concrete pool, which not only has poor aesthetics, but also always emits an unpleasant odor during operation. It has a negative impact on the surrounding living environment. One is the underground type. The sewage treatment plant is set up as an underground type, without occupying ground resources, and a park is built on the surface, which improves the environmental qual...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F101/30
CPCC02F9/00C02F1/001C02F2001/007C02F3/30C02F2101/30C02F3/32
Inventor 刘滢陈云李星文
Owner THUNIP CORP LTD
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