CN215756669U

CN215756669U - Black and odorous riverway water body prosthetic devices

Info

Publication number: CN215756669U
Application number: CN202121258751.5U
Authority: CN
Inventors: 彭惠靖; 曹小芳; 张猛; 曹瑞林; 江成; 李泽兵
Original assignee: Jiangsu Lianyanggang Environmental Protection Technology Co ltd
Current assignee: Jiangsu Lianyanggang Environmental Protection Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-02-08
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a black and odorous river water body restoration device which is arranged along the water flow direction of an urban river water body and comprises an anoxic biofilm reactor, an aerobic biofilm reactor, a water surface fountain, a combined ecological floating bed and submersible pumps, wherein the anoxic biofilm reactor and the aerobic biofilm reactor are arranged on two sides of a river bank water body and are arranged alternately, and the submersible pumps are sunk into the water body and are respectively connected with the anoxic biofilm reactor and the aerobic biofilm reactor; the water surface fountain and the combined ecological floating bed are arranged in the middle of the river channel and are arranged alternately. The device comprises a bank-side biofilm reactor, an ecological floating bed reactor in water and a water body aeration part, which complement and cooperate with each other, and the restoration effect is fast; and the ecological landscape has good effect and low operation cost, and solves the problems in the background technology.

Description

Black and odorous riverway water body prosthetic devices

Technical Field

The utility model relates to the technical field of riverway water body restoration, in particular to a black and odorous riverway water body restoration device.

Background

The periphery of the urban river water body is generally an important place for urban residents to play leisure, entertain, prevent flood, prevent waterlogging, resist drought and the like, and is a peaceful place for urban civilization. Due to comprehensive reasons such as point source pollution, non-point source pollution, cross-basin pollution and the like, the problems of odor, blackening, overgrowth of algae and the like of the water body of the urban river are common in China, bad negative benefits are generated for urban residents, urban landscapes and urban images, and the ecological environment of the water body and the self-purification process of the water body are damaged.

The urban river water body restoration method comprises the following steps: biological-ecological restoration methods such as in-situ restoration and ex-situ restoration of the water body; chemical restoration methods such as adding a deodorant, a herbicide, a coagulant and the like, and physical restoration methods such as sediment dredging, deep layer (shallow layer) aeration and the like. Because the urban river water body pollution is characterized by complex property, complexity and the like, a better effect is difficult to obtain on the black and odorous water body of the urban river by using a single restoration method, and in order to accelerate the restoration effect of the urban river water body, a combined process is adopted to become a method which is currently and generally adopted. The rapid repair combined process for the black and odorous water body realizes the rapid repair process for the black and odorous water body in the urban river by utilizing the mutual coordination among the repair actions of various processes.

The utility model combines a physical repair method and a biological-ecological repair method, and the basic idea is to utilize the physical repair method combining deep aeration and fountain aeration, the physical repair method is favorable for improving the dissolved oxygen and exchange effect in the water body, improving the microbial habitat in the river water body, activating the aerobic microbe proliferation and releasing volatile organic pollutants in the water body. The bio-ecological restoration method includes ex-situ and in-situ restoration methods, wherein the ex-situ restoration method is: a biofilm oxidation method; the in-situ repair method comprises the following steps: a combined ecological floating bed restoration method.

The biomembrane oxidation method is to utilize the surface of a biological carrier to adsorb and grow a large amount of biomembranes, the biomembranes carry out metabolism to remove pollutants, the biomembranes are composed of microorganisms, extracellular substances and pollutants, and different pollutant conversion and removal processes are completed in different habitats. In the process, biological carriers with different characteristics are selected, and a macromolecular synthetic filler is used for proliferating an aerobic biomembrane in an aerobic habitat, wherein the aerobic biomembrane mainly completes the oxidation and nitration processes of organic matters; the bamboo filament filler is used for proliferating the denitrification biomembrane to carry out the biological denitrification process in the anaerobic habitat, and the bamboo filament filler can release a certain amount of organic acid for biological denitrification utilization to strengthen the biological denitrification process.

The combined ecological floating bed repairing method is to hang certain polymer stuffing to raise ecological repairing effect. The aquatic plant root system in the combined ecological floating bed forms root system microorganisms for metabolism, the assimilation and absorption of the aquatic plant enhances the pollutant purification effect, meanwhile, a large amount of biomembranes are easily formed on the surface of the polymer synthetic filler, and the metabolism of the biomembranes is an important component of the combined ecological floating bed restoration method.

Disclosure of Invention

The utility model aims to provide a black and odorous riverway water body restoration device, which comprises a bank biofilm reactor, an ecological floating bed reactor in water and a water body aeration part, wherein the three parts supplement and cooperate with each other, and the restoration effect is quick; and the ecological landscape has good effect and low operation cost, and solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a black and odorous riverway water body remediation device is arranged along the water flow direction of urban riverway water bodies and comprises an anoxic biofilm reactor, an aerobic biofilm reactor, a water surface fountain, a combined ecological floating bed and submersible pumps, wherein the anoxic biofilm reactor and the aerobic biofilm reactor are arranged on two sides of a riverbank water body and are arranged alternately, and the submersible pumps are sunk into the water body and are respectively connected with the anoxic biofilm reactor and the aerobic biofilm reactor; the water surface fountain and the combined ecological floating bed are arranged in the middle of the river channel and are arranged alternately.

Preferably, the black and odorous riverway water body remediation device further comprises a fan, and the fan is connected with the aerobic biofilm reactor and supplies oxygen to the aerobic biofilm reactor.

Preferably, an artificially synthesized polymer carrier is adopted as a filler in the aerobic biofilm reactor.

Preferably, 40-50% of bamboo filament filler in volume ratio is put into the anoxic biofilm reactor, and denitrifying bacteria flora are adsorbed and grown on the surface of the bamboo filament filler.

Compared with the prior art, the utility model has the following beneficial effects: the device comprises a bank-side biofilm reactor, an ecological floating bed reactor in water and a water body aeration part, which complement and cooperate with each other, and the restoration effect is fast; and the ecological landscape has good effect and low operation cost, and solves the problems in the background technology.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic view of the communication between the anoxic biofilm reactor and the submersible pump according to the present invention;

FIG. 3 is a schematic view of the communication between the oxygen biofilm reactor of the present invention and a submersible pump and a blower.

In the figure: 1. a water surface fountain; 2. a combined ecological floating bed; 3. a fan; 4. a submersible pump; 5. an anoxic biofilm reactor; 6. an aerobic biofilm reactor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The black and odorous riverway water body remediation device shown in fig. 1 is arranged along the water flow direction of the urban riverway water body according to the characteristics of the urban riverway water body water quality, the organic matter purification mechanism and the biological denitrification mechanism, and specifically, the black and odorous riverway water body remediation device comprises an anoxic biofilm reactor 5 and an aerobic biofilm reactor 6, the anoxic biofilm reactor 5 and the aerobic biofilm reactor 6 are respectively arranged on two sides of the riverbank water body and are arranged alternately, so that the black and odorous riverway water body remediation device can be regarded as an A/O/A/O … … process, and the denitrification effect is remarkable.

Referring to fig. 2, in order to improve the anoxic biofilm reactor, 40-50% by volume of bamboo filament filler is added into the anoxic biofilm reactor 5, denitrifying bacteria flora is adsorbed and grown on the surface of the bamboo filament filler, the bamboo filament filler is used as a biofilm carrier, the anoxic biofilm reactor 5 is divided into a plurality of units, microbial colonies with different characteristics are formed in each unit, and when polluted river water flows in from one end, the polluted river water flows forwards in the anoxic biofilm reactor in a baffling manner, and the polluted river water and the bamboo filament filler are repeatedly contacted to generate synergistic purification. Organic matters and bamboo filament decomposition products in the black and odorous water body are used as a denitrification carbon source in the anoxic biofilm reactor 5, so that the aims of saving the carbon source and improving the denitrification effect are fulfilled.

Referring to fig. 3, the aerobic biofilm reactor 6 uses an aerobic microenvironment to convert organic matter into carbon dioxide and some intermediates, and ammonia nitrogen into nitrate and nitrite. In the aerobic biomembrane reactor 6, a high molecular artificial synthesis carrier is used as a filler, a large amount of nitrifying bacteria and heterotrophic bacteria are proliferated by utilizing the huge specific surface area of the surface of the filler, and in order to improve the oxidation effect of organic matters and ammonia nitrogen, the aerobic biomembrane reactor 6 is divided into a multi-stage baffle plate structure, so that the nitrifying bacteria and the heterotrophic bacteria respectively occupy the ecological niches with respective advantages, and a good purification effect is realized. In order to improve the growth of the aerobic biofilm, the black and odorous riverway water body remediation device further comprises a fan 3, wherein the fan 3 is connected with the aerobic biofilm reactor 6 and supplies oxygen to the aerobic biofilm reactor 6 so as to complete organic matter oxidation and ammonia nitrogen nitrification.

Referring to fig. 2 and 3, the black and odorous riverway water body remediation device further comprises a submersible pump 4, wherein the submersible pump 4 is submerged in the water body and is respectively connected with an anoxic biofilm reactor 5 and an aerobic biofilm reactor 6, so that the water body circulation and treatment speed is increased.

Referring to fig. 1, the black and odorous riverway water body restoration device further comprises water surface fountains 1 and combined ecological floating beds 2, wherein the water surface fountains 1 and the combined ecological floating beds 2 are arranged in the middle of the riverway and are arranged alternately.

Referring to fig. 1, the combined ecological floating bed 2 is formed by artificially synthesizing a filler from plants above the water surface, floating bodies above the water surface, plant roots below the water surface and polymers, and removing pollutants by using the assimilation and absorption of aquatic plants and the oxidation of microbial films on the surfaces of the roots and the filler, and has the functions of landscaping and cooperative purification.

Referring to fig. 1, in order to improve the oxygenation effect and the stirring effect of the water body and increase the mass transfer capacity, a water surface fountain 1 is arranged between the ecological floating beds to improve the convection of the water body, and the water surface fountain 1 can have a good landscaping effect and reduce dead angles in the water body.

The working principle is as follows: the black and odorous riverway water body restoration device comprises a biofilm reactor on the bank side, an ecological floating bed reactor in water and a water body aeration part,

the biomembrane reactor part comprises an anoxic biomembrane reactor 5 and an aerobic biomembrane reactor 6, the anoxic biomembrane reactor 5 uses organic matters and bamboo filament decomposition products in black and odorous water as carbon sources to achieve the purposes of saving the carbon sources and improving the denitrification effect, the aerobic biomembrane reactor 6 finishes the oxidation of the organic matters and the nitrification of ammonia nitrogen,

the ecological floating bed reactor part comprises a water surface fountain 1 and a combined ecological floating bed 2, the water surface fountain 1 improves water body convection and landscaping, and the combined ecological floating bed 2 realizes removal of pollutants by utilizing anabolic absorption of aquatic plants and oxidation of microbial films on the surfaces of root systems and fillers;

the water body aeration part is a fan 3, the fan 3 is connected with an aerobic biofilm reactor 6 to supply oxygen for the aerobic biofilm reactor 6 so as to better complete organic matter oxidation and ammonia nitrogen nitration.

Claims

1. The utility model provides a black and odorous river course water prosthetic devices lays along city river course water rivers direction, its characterized in that: the black and odorous riverway water body restoration device comprises an anoxic biofilm reactor (5), an aerobic biofilm reactor (6), a water surface fountain (1), a combined ecological floating bed (2) and submersible pumps (4), wherein the anoxic biofilm reactor (5) and the aerobic biofilm reactor (6) are arranged on two sides of a riverbank water body and are arranged alternately, and the submersible pumps (4) sink into the water body and are respectively connected with the anoxic biofilm reactor (5) and the aerobic biofilm reactor (6); the water surface fountain (1) and the combined ecological floating bed (2) are arranged in the middle of the river channel at intervals.

2. The black and odorous riverway water body remediation device of claim 1, wherein: the black and odorous riverway water body remediation device further comprises a fan (3), wherein the fan (3) is connected with the aerobic biofilm reactor (6) to supply oxygen for the aerobic biofilm reactor (6).

3. The black and odorous riverway water body remediation device of claim 1, wherein: the aerobic biomembrane reactor (6) adopts an artificially synthesized macromolecular carrier as a filler.