Urban sewage treatment system and treatment method thereof

Abstract

The invention discloses an urban sewage treatment system, which comprises a filtering chamber, an aeration chamber, a flocculation chamber, a precipitation chamber and a sterilization chamber in sequential arrangement from left to right, wherein a flow guide plate is arranged in the filtering chamber; a filtering screen layer is arranged above the flow guide plate in an inclined way; an adsorptionrod is arranged above the filtering screen layer in an inclined way; an aeration device is arranged in the aeration chamber; a grille bar and a wave-shaped baffle plate are arranged in the precipitation chamber; a water distribution disc is arranged in the sterilization chamber. A sewage treatment method comprises the following steps of (1) sewage filtering treatment; (2) sewage aeration treatment; (3) sewage flocculation treatment; (4) sewage precipitation treatment; (5) sewage sterilization treatment; (6) regular maintenance. The treatment system has the advantages that the occupied area issmall; the cost is low; the practical operation and use are convenient; multiplex treatment is performed on the sewage, so that the treated water quality is high; the water body is clearer; the long-time, healthy, stable and efficient operation of the urban sewage treatment system can be ensured.

Description

technical field [0001] The invention relates to an urban sewage treatment system and a treatment method thereof. Background technique [0002] my country is a water-scarce country, saving water resources, mitigating urban water shortages, reducing residents' water expenses, and improving residents' quality of life are problems that need to be solved urgently. Urban domestic sewage is less affected by natural conditions such as climate and seasons, so it is a water resource with relatively stable water quality. If urban sewage can be effectively treated and used for industrial water, agricultural irrigation water, municipal greening landscape water, etc. miscellaneous water. You can save a lot of water. It is a systematic project that benefits the country and the people. [0003] The current sewage treatment methods and devices mainly adopt the ultrafiltration sewage treatment process. The methods and devices are relatively simple and cannot meet the COD, ammonia nitrogen ...

AI Technical Summary

Problems solved by technology

[0003] The current sewage treatment methods and devices mainly adopt the ultrafiltration sewage treatment process. The methods and devices are relatively simple and cannot meet the COD, ammonia nitrogen content and turbidity index requirements of the reuse water. The use range of the reuse water is small, which is not conducive to popularization.

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