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An ecological treatment device for river sewage

An ecological treatment and sewage technology, applied in water/sewage treatment, biological water/sewage treatment, degassed water/sewage treatment, etc., can solve problems such as water ecosystem damage, achieve increased contact area, long service life, Strong redox effect

Active Publication Date: 2021-11-26
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a river sewage ecological treatment device to solve the problem of water ecological system being destroyed

Method used

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  • An ecological treatment device for river sewage
  • An ecological treatment device for river sewage
  • An ecological treatment device for river sewage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] See attached Figure 1-3 Shown, a kind of river sewage ecological treatment device comprises:

[0030]The sedimentation section 1, the sedimentation section 1 includes a sedimentation container 11, the sedimentation container 11 is in the shape of a square tube, the top of one side of the sedimentation container 11 is provided with a first water inlet 12, and the top of the other side of the sedimentation container 11 is provided with a first water outlet 17 , the interior of the settling container 11 is provided with an isolation plate 13, and the sedimentation area 18 is directly below the isolation plate 13. The bottoms on both sides of the isolation plate 13 are fixedly connected with fixed rods 14, and the two ends of the fixed rods 14 are fixed to each other. A settling frame 15 is connected, and the settling frame 15 is positioned at the bottom of the inner wall of the settling container 1, and the side wall of the separating plate 13 close to the first water out...

Embodiment 2

[0042] See attached figure 1 As shown, a river sewage ecological treatment device, when carrying out sewage treatment, the water body flows in from the first water inlet 12, after a period of sedimentation in the sedimentation container 11, the sedimentation frame 15 in the sedimentation area 18 carries out sedimentation Collected, the settled water passes upwards through the auxiliary sedimentation component 16, and enters the air flotation section 2 through the first water outlet 17 and the second water inlet 29. After entering the air flotation section 2, it is first exhausted by the stirring blade 22 , the water body overflows the baffle plate 28 to dissolve the air through the air-dissolving pump, and the water body after the air dissolution is completed enters the overflow area 211, and then enters the diversion area 212 through the overflow guide plate 24. After the water body flows into the diversion area 212, it first Flow into the deflector 26 inside, then the clean ...

Embodiment 3

[0044] In this example, in order to verify the effect of this device on river sewage treatment, a comparative analysis of the main pollutant content in a certain river before and after using this device was carried out. The selected river section was about 20m wide and the water depth was about 2m. During the test, it was sunny , and the samples were taken at the same time, at the same place, at the same water depth of 1m, and the water temperature was similar.

[0045] Taking the untreated water body on Day 1 as the reference group, the relative content of organic matter in the water body (COD), the sum of each form of N in the water body (TN), the sum of each form of P in the water body (TP), and the content of ammonia nitrogen (NH3-N ), the test data are shown in Table ①, refer to the attached Figure 10 The analysis of the broken line graph shows that under the same test conditions, the content of pollution sources at the same time, at the same place, and in the same depth...

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Abstract

The invention discloses an ecological treatment device for river sewage. The ecological treatment device is sequentially provided with a precipitation section, an air floatation section, a photocatalytic reaction section and a plant ecological restoration section in the water flow direction. The precipitation section comprises a precipitation container in a square barrel shape, a water inlet is formed in the top of one side face of the precipitation container, a first water outlet is formed in the top of the other side face of the precipitation container, a separation plate is clamped in the precipitation container, a precipitation area is arranged under the separation plate, fixing rods are fixedly connected to the bottoms of the two sides of the separation plate; a sedimentation frame is fixedly connected between the separated ends of the two fixing rods and located at the bottom of the inner wall of the sedimentation container, and an auxiliary sedimentation assembly is fixedly connected to the side face of the isolation plate and the inner side wall of the sedimentation container. Through combined application of a physical precipitation method, a chemical precipitation method and a plant ecological restoration method, the functions of water quality optimization of a polluted water body, ecological system balance restoration and the like are achieved, and the device plays an important role in restoration of a water ecological system filled with sewage.

Description

technical field [0001] The invention relates to the technical field of water purification, in particular to an ecological treatment device for river sewage. Background technique [0002] The descriptions in this section merely provide background information related to the disclosure in this application and may not constitute prior art. [0003] With the industrialization of the industrial chain in today's society and the continuous and rapid advancement of the urbanization of people's residences, the problems of resource shortage, environmental degradation and ecological environment imbalance are becoming more and more serious, which is threatening to the sustainable development of human beings and the economy and society. Ecosystem restoration devices are urgently needed. Due to the continuous increase of the population in today's society, the discharge of industrial wastewater and domestic sewage is also increasing. A large amount of sewage without effective treatment or ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/30
CPCC02F9/00C02F1/52C02F1/20C02F1/24C02F3/32C02F1/725C02F1/74C02F2001/007C02F2101/30C02F2103/007
Inventor 尤炬炬薛彬
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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