CN215592736U - Artificial wetland system for eutrophic water treatment - Google Patents
Artificial wetland system for eutrophic water treatment Download PDFInfo
- Publication number
- CN215592736U CN215592736U CN202122406580.2U CN202122406580U CN215592736U CN 215592736 U CN215592736 U CN 215592736U CN 202122406580 U CN202122406580 U CN 202122406580U CN 215592736 U CN215592736 U CN 215592736U
- Authority
- CN
- China
- Prior art keywords
- tank
- treatment tank
- pipeline
- wetland system
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to the technical field of sewage treatment, in particular to an artificial wetland system for eutrophic water treatment, which consists of a sedimentation tank, an anaerobic treatment tank, a buffer tank and an aerobic treatment tank which are sequentially communicated, wherein the bottom of the sedimentation tank is inclined, and the lowest part of the sedimentation tank is provided with a sludge pump; the sedimentation tank is communicated with the anaerobic treatment tank through a first connecting pipe, a first filler is arranged at the bottom of the anaerobic treatment tank, and an artificial floating bed is covered at the top of the anaerobic treatment tank; the anaerobic treatment tank is communicated with the buffer tank through a second pipeline, and a ball float valve is arranged at the water outlet of the second pipeline; the buffer tank is communicated with the aerobic treatment tank through a third pipeline; the aerobic treatment tank is filled with a second filler, the upper part of the aerobic treatment tank is provided with an overflow pipe, and the lower part of the aerobic treatment tank is provided with a drain pipe. The sewage is removed through the absorption, assimilation and dissimilation of anaerobic bacteria and aerobic bacteria, meanwhile, partial pollutants are removed from the water through the harvesting of plants, and the denitrification capability of the wetland system can be effectively improved through the nitrification and denitrification.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an artificial wetland system for treating eutrophic water.
Background
With the development of society, more and more lakes, rivers and reservoirs are discharged with sewage containing a large amount of nitrogen and phosphorus pollutants and initial rainwater, so that a water body gradually becomes a eutrophic water body, the landscape effect of the water body is poor, blue algae outbreak is easily caused, and meanwhile, the survival of aquatic animals and plants in the water body is seriously threatened. The traditional method for purifying eutrophic water body is water diversion and water change, chemical or microbial agent addition, forced oxygen filling of water body by using oxygen filling facilities or equipment, and the like. Wherein, the water diversion and water change measures need to have sufficient and convenient clean water sources as water sources for water change, and meanwhile, the mode has the defects of poor water quality stability, pollution transfer and the like; the problems of large investment, easy repetition of water quality, secondary pollution and the like exist in the adding of chemical or microbial agents.
The artificial wetland is a novel sewage treatment technology developed in the 70 s of the 20 th century, and the technology is gradually and widely applied to the aspects of treating domestic sewage, surface water, non-point source pollution and the like. It mainly utilizes the comprehensive action of wetland plants, microorganisms and soil to remove pollutants in sewage, and has the advantages of simple structure, low treatment cost and the like. The artificial wetland is mainly divided into a surface flow artificial wetland and an undercurrent artificial wetland according to the flow state of the treated sewage. Wherein, the subsurface flow wetland comprises a horizontal subsurface flow constructed wetland and a vertical subsurface flow constructed wetland. Although various types of artificial wetlands have advantages, the various types of artificial wetlands also have some defects, such as the defects of easy breeding of mosquitoes and flies, limited decontamination capability and low nitrification capability of the surface flow artificial wetlands; the horizontal subsurface flow constructed wetland has the defects of easy blockage and poor nitrification capability; the vertical subsurface flow constructed wetland has the defects of easy blockage, high construction cost and complex management and maintenance. If the denitrification capability of the artificial wetland with a single flow state is to be increased, the dissolved oxygen of the artificial wetland needs to be improved, but the energy consumption of aeration equipment is overlarge, so that the advantages of the wetland technology are weakened; if an artificial wetland system combining surface flow, horizontal underflow and oxidation ponds is adopted, the system has a good treatment effect on nitrogen oxide, nitrate nitrogen and nitrogen ions, but the system is easy to generate odor and breed mosquitoes and flies, sludge is not easy to discharge, treat and utilize, and the coordination of surrounding landscapes of a water body is not facilitated.
Disclosure of Invention
Aiming at the problems of various types of artificial wetlands in the prior art, the utility model provides an artificial wetland system for treating eutrophic water.
The artificial wetland system for treating the eutrophic water body is arranged at the edge of the natural water body and is characterized in that the artificial wetland system is formed by sequentially communicating a sedimentation tank, an anaerobic treatment tank, a buffer tank and an aerobic treatment tank, wherein the sedimentation tank is communicated with the natural water body through a water inlet pipeline, and a sewage pump is arranged on the water inlet pipeline; the bottom of the sedimentation tank is inclined, and the lowest part of the sedimentation tank is provided with a sludge pump which is connected with a filter press; the sedimentation tank is communicated with the anaerobic treatment tank through a first connecting pipe, a first filler is arranged at the bottom of the anaerobic treatment tank, and an artificial floating bed is covered at the top of the anaerobic treatment tank; the anaerobic treatment tank is communicated with the buffer tank through a second pipeline, and a ball float valve is arranged at the water outlet of the second pipeline; the buffer tank is communicated with the aerobic treatment tank through a third pipeline, the third pipeline adopts a co-pass pipeline, and the co-pass pipeline is horizontally arranged above the bottom of the aerobic treatment tank; and a second filler is filled in the aerobic treatment tank, an overflow pipe is arranged at the upper part of the aerobic treatment tank, a drain pipe is arranged at the lower part of the aerobic treatment tank, and a gate valve is arranged on the drain pipe.
Specifically, a first connecting pipe between the sedimentation tank and the anaerobic treatment tank adopts a bundling pipe, so that large-volume solid particles are prevented from entering the anaerobic treatment tank through a pipeline to be deposited on the surface layer of the first filler, the contact area of an anaerobic biological film formed in the first filler is reduced, and the dredging interval of the anaerobic treatment tank is prolonged as much as possible; be provided with the gate valve on the cluster pipe, set up the valve well between sedimentation tank and anaerobic treatment pond, the gate valve sets up in the valve well, makes things convenient for the workman to carry out the desilting operation to the cluster pipe, and the valve well can be used to overhaul the gate valve simultaneously.
Furthermore, the bundling pipes are provided with at least two layers, a sludge concentration meter is arranged at the water inlet of each bundling pipe and used for detecting the sludge content in the sedimentation tank, and when the sludge content is lower, the two layers of bundling pipes are simultaneously opened to form horizontal undercurrent; when the sludge content is increased, closing the lower layer bundling pipe, and allowing relatively clear water to pass through the upper layer bundling pipe; and when the sludge content exceeds the standard, all the bundling pipes are closed simultaneously, the sewage pump stops water inflow, and the sludge pump and the filter press start to operate.
Optimally, a chemical agent container is arranged in the sedimentation tank, a flocculating agent is loaded in the chemical agent container, and the flocculating agent is put into the sedimentation tank when necessary to prevent excessive suspended particles from entering a subsequent tank body.
Optimally, an aeration pipeline is connected into the buffer tank and is connected with an air pump, aeration is carried out in the buffer tank if necessary, and a steam-water mixture enters the aerobic treatment tank, so that the operating efficiency of the aerobic treatment tank is improved.
Optimally, the first filler adopts a porcelain ring which is convenient to clean; the second filler adopts gravel, medical stone, volcanic rock or active carbon.
Plant species with good water resistance and developed root systems are planted on the artificial floating bed, and emergent aquatic plants are planted among the filler gaps of the aerobic treatment tank. During operation, sewage flows into a sedimentation tank for sedimentation, supernatant and a small amount of suspended particles after sedimentation enter an anaerobic treatment tank in a multilayer underflow mode, and the sewage is treated by a plant root system and an anaerobic biological membrane in the anaerobic treatment tank and then drained into a buffer tank; when the water level flowing into the buffer tank is highest, a drainage pipeline is opened to drain water, and when the water level is lowest, a second pipeline is opened to replenish water, so that the water level in the aerobic treatment tank is continuously changed, the aerobic treatment tank is fully contacted with air, and the working efficiency of nitrobacteria and denitrifying bacteria is improved.
According to the constructed wetland system for treating the eutrophic water body, a large amount of pollutants are intercepted by the substrate and the plant root system, organic matters are removed through the absorption, assimilation and dissimilation of anaerobic bacteria and aerobic bacteria, meanwhile, part of pollutants are removed from water through the harvesting of plants, and the denitrification capability of the wetland system can be effectively improved through the nitrification and denitrification.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, the sedimentation tank 1, the anaerobic treatment tank 2, the buffer tank 3, the aerobic treatment tank 4 and the valve well 5.
Detailed Description
Example 1: the artificial wetland system for eutrophic water treatment is arranged at the edge of a natural water body and is characterized in that the artificial wetland system is formed by sequentially communicating a sedimentation tank 1, an anaerobic treatment tank 2, a buffer tank 3 and an aerobic treatment tank 4, wherein the sedimentation tank 1 is communicated with the natural water body through a water inlet pipeline, and a sewage pump is arranged on the water inlet pipeline; the bottom of the sedimentation tank 1 is inclined, and a sludge pump is arranged at the lowest part of the sedimentation tank 1 and is connected with a filter press; the sedimentation tank 1 and the anaerobic treatment tank 2 are communicated through a first connecting pipe, the first connecting pipe adopts two layers of cluster pipes, a gate valve is arranged on each cluster pipe, a valve well 5 is arranged between the sedimentation tank 1 and the anaerobic treatment tank 2, and the gate valve is arranged in the valve well 5. The bottom of the anaerobic treatment tank 2 is provided with a first filler which is a ceramic ring, and the top of the first filler is covered with an artificial floating bed; the anaerobic treatment tank 2 is communicated with the buffer tank 3 through a second pipeline, and a ball float valve is arranged at the water outlet of the second pipeline; the buffer tank 3 is communicated with the aerobic treatment tank 4 through a third pipeline, the third pipeline adopts a co-process pipeline, and the co-process pipeline is horizontally arranged above the bottom of the aerobic treatment tank 4; and a second filler is filled in the aerobic treatment tank 4, the second filler adopts gravel, an overflow pipe is arranged at the upper part of the aerobic treatment tank 4, a drain pipe is arranged at the lower part of the aerobic treatment tank 4, and a gate valve is arranged on the drain pipe. Plant species with good water resistance and developed root systems are planted on the artificial floating bed, and emergent aquatic plants are planted among the filler gaps of the aerobic treatment tank 4. During operation, sewage flows into the sedimentation tank 1 for sedimentation, supernatant liquid and a small amount of suspended particles after sedimentation enter the anaerobic treatment tank 2 in a multilayer undercurrent mode, and water is discharged into the buffer tank 3 after the sewage is treated by a plant root system and an anaerobic biological membrane of the anaerobic treatment tank 2; when the water level flowing into the buffer tank 3 is highest, a drainage pipeline is opened to drain water, and when the water level is lowest, a second pipeline is opened to replenish water, so that the water level in the aerobic treatment tank 4 is continuously changed and is fully contacted with air, and the working efficiency of nitrobacteria and denitrifying bacteria is improved.
Claims (6)
1. The artificial wetland system for eutrophic water treatment is arranged at the edge of a natural water body and is characterized in that the artificial wetland system is formed by sequentially communicating a sedimentation tank (1), an anaerobic treatment tank (2), a buffer tank (3) and an aerobic treatment tank (4), wherein the sedimentation tank (1) is communicated with the natural water body through a water inlet pipeline, and a sewage pump is arranged on the water inlet pipeline; the bottom of the sedimentation tank (1) is inclined, and a sludge pump is arranged at the lowest part of the sedimentation tank (1) and is connected with a filter press; the sedimentation tank (1) is communicated with the anaerobic treatment tank (2) through a first connecting pipe, first fillers are arranged at the bottom of the anaerobic treatment tank (2), and an artificial floating bed is covered at the top of the anaerobic treatment tank; the anaerobic treatment tank (2) is communicated with the buffer tank (3) through a second pipeline, and a ball float valve is arranged at the water outlet of the second pipeline; the buffer tank (3) is communicated with the aerobic treatment tank (4) through a third pipeline, the third pipeline adopts a co-process pipeline, and the co-process pipeline is horizontally arranged above the bottom of the aerobic treatment tank (4); the aerobic treatment tank (4) is filled with a second filler, the upper part of the aerobic treatment tank (4) is provided with an overflow pipe, the lower part of the aerobic treatment tank (4) is provided with a drain pipe, and the drain pipe is provided with a gate valve.
2. The artificial wetland system for eutrophic water treatment according to claim 1, wherein a first connecting pipe between the sedimentation tank (1) and the anaerobic treatment tank (2) is a cluster pipe; the device is characterized in that a gate valve is arranged on the bundling pipe, a valve well (5) is arranged between the sedimentation tank (1) and the anaerobic treatment tank (2), and the gate valve is arranged in the valve well (5).
3. The constructed wetland system for eutrophic water treatment of claim 2, wherein the cluster pipe is provided with at least two layers, and a sludge concentration meter is arranged at the inlet of the cluster pipe.
4. The artificial wetland system for eutrophic water treatment according to claim 1, wherein a chemical agent container is provided in the sedimentation tank (1), and a flocculating agent is loaded in the chemical agent container.
5. The artificial wetland system for eutrophic water treatment according to claim 1, wherein an aeration pipeline is connected into the buffer tank (3), and the aeration pipeline is connected with an air pump.
6. The artificial wetland system for eutrophic water remediation of claim 1 wherein the first filler is a ceramic ring that is easy to clean; the second filler adopts gravel, medical stone, volcanic rock or active carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122406580.2U CN215592736U (en) | 2021-09-30 | 2021-09-30 | Artificial wetland system for eutrophic water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122406580.2U CN215592736U (en) | 2021-09-30 | 2021-09-30 | Artificial wetland system for eutrophic water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215592736U true CN215592736U (en) | 2022-01-21 |
Family
ID=79870644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122406580.2U Active CN215592736U (en) | 2021-09-30 | 2021-09-30 | Artificial wetland system for eutrophic water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215592736U (en) |
-
2021
- 2021-09-30 CN CN202122406580.2U patent/CN215592736U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107935307B (en) | River water purification system for enhancing biological decomposition through cyclic reoxygenation and implementation method | |
| CN104926038B (en) | A kind of biological and ecological composite handling arrangement for rural sewage treatment | |
| CN110240286B (en) | Black and odorous water body treatment method based on biochar immobilized composite microorganism treatment and aeration reoxygenation system thereof | |
| CN104045205B (en) | Low-power-consumption integrated water purifying apparatus and water purifying method | |
| CN105254127B (en) | The micro- aeration composite artificial marsh sewage treatment system of self-cleaning type | |
| CN108128967A (en) | A kind of river water body dystopy comprehensive high-efficiency processing method and system | |
| CN110054351B (en) | Adopt three-dimensional electrolysis and AAO technology to handle purification tank of dispersed sewage | |
| CN108503136A (en) | River regulation system | |
| CN108503035A (en) | A kind of staged composite ecological floating island for micropollutant water processing | |
| CN109384315A (en) | A kind of intensified denitrification and dephosphorization high-load artificial wetland system | |
| CN110668575A (en) | Full-automatic efficient nitrogen and phosphorus removal tidal flow constructed wetland and use method thereof | |
| CN105601043B (en) | A kind of domestic sewage of villages and small towns ecology microkinetic processing system | |
| CN207933136U (en) | A kind of microorganism remediation water body system | |
| CN207435274U (en) | A kind of Heihe road cleaning treatment system | |
| CN110092543A (en) | A kind of algae pool-environmentally friendly processing method of artificial swamp-ecological pond of urban wastewater treatment firm tail water | |
| CN212609832U (en) | Series-connection backflow enhanced denitrification constructed wetland | |
| CN205740688U (en) | A kind of artificial wet land treating system of residents in rural community percolate | |
| CN215592736U (en) | Artificial wetland system for eutrophic water treatment | |
| CN109516639A (en) | A kind of town domestic sewage treatment plant proposes mark modernization system | |
| CN205953640U (en) | Deep sewage purification device of high -efficient low energy consumption | |
| CN201648121U (en) | Horizontal undercurrent artificial wetland | |
| CN210032058U (en) | Landscape pool structure and self-purification system thereof | |
| CN211570383U (en) | Sewage draining port water treatment equipment for urban drainage pipeline | |
| CN211521933U (en) | Riverway treatment system based on riverside pond | |
| CN107162197A (en) | Three rank O/A decentralized type sewages handle integrated apparatus and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |