Wastewater treatment device and wastewater treatment method

A waste water treatment, waste water technology, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of long process, large floor area, high operating cost, etc. Low, easy to operate, save floor space

Pending Publication Date: 2021-11-30
GUANGZHOU MUNICIPAL ENG DESIGN & RES INST CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problems of long process flow, large floor space and high operating cost in the prior art for wastewater treatment and precipitation, the purpose of the present invention is to provide a wastewater treatment device and a wastewater treatment method

Method used

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  • Wastewater treatment device and wastewater treatment method

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Embodiment 1

[0059] Select the biochemical section effluent of a city sewage plant in Guangzhou as the water inflow of the waste water treatment device of the present invention, and the main water quality indicators are as follows: inflow water quantity Q: 1000m 3 / d, COD: 30-50mg / L, BOD 5 : 8-15mg / L, MLSS: 3000-4000mg / L, pH 6.9-7.1, after the wastewater figure 1 The wastewater treatment plant shown.

[0060] (1) Treatment in the advection area: During operation, the effluent from the biochemical section of the urban sewage plant first enters the advection area through the inlet pump, and the advection area flows into the pool body from the inlet channel through the evenly distributed water inflow perforated flower wall, so that the water flow is evenly distributed in the entire pool width The cross section of the cross section, the sludge concentration MLSS entering the advection area is 3000-4000mg / L, the HRT of the sewage in the advection area is 0.3h, and the q surface load is 10.8m ...

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Abstract

The invention discloses a wastewater treatment device and a wastewater treatment method. The wastewater treatment device comprises an advection area, a precipitation area and an air floatation area which are connected in sequence; a movable perforated lattice wall is arranged between the advection area and the precipitation area; and a first fixed perforated lattice wall is arranged between the precipitation area and the air floatation area. The invention also provides the wastewater treatment method by adopting the wastewater treatment device. The wastewater treatment device provided by the invention is integrally designed, compact in structure and convenient to operate, and when the wastewater treatment device is used for treating wastewater, the sludge precipitation speed is high, the precipitation efficiency is high, the cost is low, and the engineering application prospect is wide.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a wastewater treatment device and a wastewater treatment method. Background technique [0002] With the advancement of my country's urbanization process, the continuous expansion of cities, and the gradual increase in water consumption of urban residents, the original urban sewage treatment plants are facing problems such as increased processing load, process upgrades, equipment aging, and overall relocation. With the expansion of urban population, less and less land can be used in urban and rural areas. For urban sewage plants, the treatment requirements for sewage, sludge, and deodorization are constantly increasing. On the existing land, it is necessary to meet the planned long-term treatment capacity and meet the needs of standard upgrading and transformation, resulting in the urban sewage treatment plant occupying an area of Space keeps shrinking. In addition, ...

Claims

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Application Information

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IPC IPC(8): C02F9/02
CPCC02F1/24C02F2001/007
Inventor 尹文选岑玉铭李浩罗凡徐浩
Owner GUANGZHOU MUNICIPAL ENG DESIGN & RES INST CO LTD
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