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Sewage treatment system and treatment method thereof

A sewage treatment system and sewage technology, applied in the sewage treatment system and its treatment field, can solve the problems of unsatisfactory effect, large floor area, large amount of sludge, etc., and achieve high-quality and stable effluent quality, small floor space, The effect of low yield

Pending Publication Date: 2022-03-15
张家港市清泉水处理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The first technical problem to be solved by the present invention is to provide a sewage treatment system, which solves the problems of large floor area, large amount of sludge, high cost and unsatisfactory sewage treatment effect

Method used

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  • Sewage treatment system and treatment method thereof

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Experimental program
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Effect test

Embodiment Construction

[0029] The present invention will be described in further detail below through specific examples.

[0030] like figure 1 As shown, a sewage treatment system includes a regulating tank 1, a biochemical treatment tank 2, an aeration system, a sludge blending tank 3, an ordinary backwash tank 4, a first enhanced acid backwash tank 5 and a second enhanced alkali backwash Tank 6, a plurality of MBR membrane devices 7 are arranged in the biochemical treatment tank 2, the aeration system is arranged at the bottom of the biochemical treatment tank 2, and the outlet of the regulating tank 1 communicates with the entrance of the biochemical treatment tank 2 There is a sewage inlet pipeline 11, a sludge discharge pipeline 12 is connected between the downstream of the biochemical treatment tank 2 and the entrance of the sludge adjustment tank 3, and the sludge discharge pipeline 12 communicates with the upstream of the biochemical treatment tank 2 There is a sludge return pipeline 17, th...

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Abstract

The invention discloses a sewage treatment system and a treatment method thereof, the treatment system comprises an adjusting tank, a biochemical treatment tank, an aeration system, a sludge blending tank, a common backwashing tank, a first enhanced acid backwashing tank and a second enhanced alkali backwashing tank, the biochemical treatment tank is internally provided with a plurality of MBR membrane devices; the sewage treatment method comprises the following steps: according to the trend of sewage, the sewage in the regulating tank enters the MBR membrane devices in the biochemical treatment tank for treatment, one part of the treated sewage is discharged, the other part of the treated sewage enters the ordinary backwashing tank, and the MBR membrane devices are communicated with the MBR membrane devices in the biochemical treatment tank. In the sewage treatment process, the aeration system is always kept in an aeration state, and the treatment system and the treatment method thereof are small in occupied area, high and stable in effluent quality, low in residual sludge yield and low in cost.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a sewage treatment system and a treatment method thereof. Background technique [0002] In the traditional sewage treatment, there are the following problems: 1) the sewage treatment system often needs to use the primary settling tank, the secondary settling tank, and the tertiary settling tank, which occupy a large area and greatly increase the cost of sewage treatment; 2) sewage The treatment requires the use of drugs for precipitation to complete the sewage treatment. On the one hand, the cost of purchasing drugs is high, and on the other hand, drugs are likely to cause secondary pollution; 3) The sludge output is high, and it takes a lot of time and energy to treat the sludge Do further treatment; 4) The effect of traditional sewage treatment is not ideal, and the treated wastewater is difficult to continue to use, resulting in a waste of water resources. Contents of the inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/12B08B9/093B08B9/08
CPCC02F3/1268C02F1/008B08B9/093B08B9/08C02F2303/16C02F2303/14C02F2301/028Y02W10/10
Inventor 许耀锋吴平王家辉
Owner 张家港市清泉水处理有限公司
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