CN206033382U - Undercurrent constructed wetland structure with training wall - Google Patents
Undercurrent constructed wetland structure with training wall Download PDFInfo
- Publication number
- CN206033382U CN206033382U CN201620930744.8U CN201620930744U CN206033382U CN 206033382 U CN206033382 U CN 206033382U CN 201620930744 U CN201620930744 U CN 201620930744U CN 206033382 U CN206033382 U CN 206033382U
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- China
- Prior art keywords
- training wall
- wet land
- packing layer
- flow artificial
- drowned flow
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses an undercurrent constructed wetland structure with training wall, including the purification treatment district, purification treatment district both sides are equipped with into water district and play pool respectively, just the vegetable layer that the purification treatment district was equipped with including top -down in proper order, well particle diameter packing layer and coarse grain footpath packing layer, wherein the vegetable layer forms through haydite, pearlite and gravel mixture that the diameter is 5~8mm, well particle diameter packing layer is 20~30mm's gravel and adds the air parcel by volume than 1 through the diameter: 1 mix and form, coarse grain footpath packing layer be 30~40mm through the diameter gravel and 30~50mm with the air parcel by volume than 1: 1 mix and form. Compared with the prior art, the utility model discloses the institutional advancement is obvious, has demonstrated oxygen, amaerobic region, does benefit to wetland system and to nitrogen contaminants's degradation, improves the difficulty that meets in constructed wetland's the popularization.
Description
Technical field
The utility model is related to environmental technology field, and in particular to a kind of drowned flow artificial wet land structure with training wall.
Background technology
Artificial swamp refers to the pond or groove for manually building up, and laying antiseep water barrier in bottom fills the base of certain depth
Matter, plants wetland plant, is purified sewage using the synergy such as matrix, plant, the physics of microorganism, chemistry, biology
Technology.Have the advantages that to be easy to set up, be easily managed due to which, low cost, energy consumption is low, be conducive to ecological recovery, in North America
Have been obtained for being widely applied with the ground such as Europe, can be used to process polytype waste water, such as mine wastewater, storm runoff,
Sanitary sewage, Polluted Groundwater, industrial wastewater, widespread pollution from the overuse of fertilizers and pesticides in rural area, aquiculture waste water and percolate etc..Undercurrent people
Work wetland refers to that sewage flows below substrate layer surface, and the biomembrane that stromal surface can be made full use of to grow can be prevented again
Mosquito grows, and reduces peculiar smell, and matrix entrapment effect and abundant root system of plant etc. can extend hydraulic detention time, improve and process energy
Power and treatment effect, are widely studied at present and application wet land treating systems.
In the removal process of nitrogen, despite the absorption of plant, but the nitrification and denitrification of microorganism is remained
Main removal mechanisms at work.Nitrogen in wetland is substantially present with two kinds of forms of organic nitrogen and inorganic nitrogen, and the nitrogen in sewage is most
Remove from wet land system eventually, experienced the circulation change of complexity, the organic nitrogen in sewage is trapped first or precipitates, Ran Hou
Ammonia nitrogen is converted in the presence of the microorganisms such as amonifying bacteria, under conditions of having enough oxygen, nitrobacteria is again by mineralized nitrogen
For nitrate nitrogen, nitrate-nitrogen reduction is become into nitrogen by denitrifying bacterium in the environment of anoxic afterwards, discharged from wet land system, from
And the nitrogen in making sewage is thoroughly removed.Nitrification will be carried out under aerobic conditions, and anti-nitration reaction is in anaerobic
Or carry out under anoxia condition.If the internal structure of drowned flow artificial wet land can be efficiently modified so as to the area of aerobic, anaerobism is presented
Domain, it is beneficial to degraded of the wet land system to nitrogen pollutant, significant for the popularization and application of Artificial Wetland Techniques.
Utility model content
For solving drawbacks described above, the purpose of this utility model is to provide a kind of knot of the drowned flow artificial wet land with training wall
Structure, structure improve obvious, present the region of aerobic, anaerobism, beneficial to degraded of the wet land system to nitrogen pollutant, improve Manual moist
The difficulty run in the popularization of ground technology.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is:A kind of drowned flow artificial with training wall is wet
Ground structure, including purified treatment area, the purified treatment area is respectively provided on two sides with inhalant region and exhalant region, and the purified treatment
Area includes vegetable layer, middle particle diameter packing layer and the coarse grain footpath packing layer being sequentially provided with from top to bottom, and the vegetable layer, middle particle diameter are filled out
The thickness ratio of the bed of material and coarse grain footpath packing layer is 2:4:5, wherein described vegetable layer is haydite, the treasure by a diameter of 5~8mm
Zhu Yan and gravel are mixed, and the middle particle diameter packing layer is to be the gravel and aerated blocks of 20~30mm by volume by diameter
Than 1:1 mixes, and coarse grain footpath packing layer is gravel and 30~50mm aerated blocks by a diameter of 30~40mm by body
Product compares 1:1 mixes;The purified treatment area is respectively equipped with training wall near two bottom sides, and training wall described in two is through institute
State middle particle diameter packing layer local and the coarse grain footpath packing layer whole, and described in two between training wall, the purified treatment area and
Deflector is respectively equipped between the inhalant region, and the deflector lower end is with drowned flow artificial wet land bottom at a distance of 10~20cm;Lean on
The nearly exhalant region bottom is provided with the outlet pipe of the controllable drowned flow artificial wet land water level, the training wall and the undercurrent people
Work wetland water level is at a distance of 10~20cm.
Preferably, the deflector lower end is optimum with drowned flow artificial wet land bottom at a distance of 15cm.
The training wall surface is optimum with the drowned flow artificial wet land water level at a distance of 15cm.
The haydite optimum diameter for constituting the vegetable layer is 6mm.
Constitute the middle gravel of particle diameter packing layer and the optimum diameter of aerated blocks is 25mm.
The gravel optimum diameter for constituting coarse grain footpath packing layer is 35mm, and aerated blocks optimum diameter is 40mm.
The aerated blocks are made using flyash, cement and lime.
The wetland plant planted on the drowned flow artificial wet land is big bur beggar-ticks and rumex dentatus.
The utility model in actual applications, from bottom to top respectively by the coarse grain footpath packing layer for mixing, middle particle diameter filler
Layer and vegetable layer press 5:4:2 thickness ratio is paved, and after paving, plants big bur beggar-ticks and tooth tartaric acid on the hypothallus
Mould, the piggery wastewater after anaerobic digestion enter the purified treatment area by inhalant region, after adsorption cleaning, by exhalant region
The outlet pipe that rear end is provided with is arranged to outside.
The training wall that the utility model is provided with can extend the time of contact of current and root system of plant, be conducive to wetland plant root
System transmission diffusion rate of dissolved oxygen in sewage, to reaching increase oxygen in water, the mesh of pollutant preferably in degrading waste water
's;Pass through training wall, a series of constructions of deflector being provided with the utility model, the deflector being provided with can artificially change current and become
Gesture, can cause aerobic, the anaerobism alternate environment of local, respectively nitrobacteria and denitrifying bacteria to provide in wetland bed body
Oxygen and anaerobic environment, so as to improve the activity of nitrobacteria and denitrifying bacteria, thus correspondingly improve the total nitrogen of system
Clearance.
The aerated blocks that the middle particle diameter packing layer and coarse grain footpath packing layer are used are with flyash as raw material, and flyash
Composition mainly based on inorganic non-metallic material, surface microporous structure is more, with abundant surface area, provides for microorganism
More Absorption Growth points, so as to improve the microorganism bearing capacity of wet land system, abundant microorganism contributes to preferably going
Except the nitrogen phosphorus of sewage;The main component of the aerated blocks is flyash, cement and lime, wherein containing substantial amounts of Al3+、Fe3+、
Ca2+Deng metal ion, easily there is absorption and precipitation reaction with inorganic phosphorous compound soluble in sewage in these metal ions,
Stable compound is formed, be there is to phosphorus good adsorption effect, therefore the utility model can effectively by after anaerobic digestion
Piggery wastewater carries out adsorption cleaning process;The gravel for using is harder, has good supporting role to wet land filler.
Compared with prior art, the utility model simple structure, it is reasonable in design, the interior of drowned flow artificial wet land can be efficiently modified
Portion's structure so as to the region of aerobic, anaerobism is presented, beneficial to degraded of the wet land system to nitrogen pollutant, contributes to artificial swamp skill
The popularization and application of art;Using filler even pore distribution, penetrating power is strong, makes that the water energy into wet land system is enough to be had with matrix
Sufficiently contact surface, improves the sewage purification ability of matrix, has delayed the blocking of wetland, improve the use longevity of wetland
Life.
Description of the drawings
Below according to drawings and Examples, structure and features of the present utility model is further described.
Fig. 1 is structural representation of the present utility model.
In accompanying drawing 1,1. inhalant region, 2. deflector, 3. vegetable layer, 4. in particle diameter packing layer, 5. coarse grain footpath packing layer, 6. leads
Wall is flowed, 9. exhalant region, 10. outlet pipe.
Specific embodiment
Referring to accompanying drawing 1, a kind of embodiment of the present utility model, a kind of knot of the drowned flow artificial wet land with training wall is illustrated
Structure, length and width are separately designed as 1.5m and 0.5m, and including the purified treatment area of 1.3m, the purified treatment area is respectively provided on two sides with
The exhalant region 9 of the inhalant region 1 and 0.1m of 0.1m, and the purified treatment area include being sequentially provided with from top to bottom vegetable layer 3, in
Particle diameter packing layer 4 and coarse grain footpath packing layer 5, the thickness difference of the vegetable layer 3, middle particle diameter packing layer 4 and coarse grain footpath packing layer 5
For 10cm, 20cm and 25cm, wherein the vegetable layer 3 is mixed by the haydite of a diameter of 6mm, perlite and gravel,
The middle particle diameter packing layer 4 is to be the gravel and aerated blocks of 25mm by volume 1 by diameter:1 mixes, the coarse grain
Footpath packing layer 5 is gravel and 40mm aerated blocks by a diameter of 35mm by volume 1:1 mixes;The purified treatment area
High 0.3m is respectively equipped near two bottom sides, the training wall 6 of long 0.3m, training wall 6 described in two is through the middle particle diameter filler
4 local of layer and coarse grain footpath packing layer 5 all, and described in two between training wall 6, the purified treatment area and the inhalant region
Deflector 2 is respectively equipped between 1, and 2 lower end of the deflector is with drowned flow artificial wet land bottom at a distance of 15cm;Near the exhalant region
9 bottoms are provided with the outlet pipe 10 of the controllable drowned flow artificial wet land water level, and the water level of the control of the outlet pipe 10 is set to 0.4m,
The training wall 6 is with the drowned flow artificial wet land water level at a distance of 15cm.
The aerated blocks are made using flyash, cement and lime.
The wetland plant planted on the drowned flow artificial wet land is big bur beggar-ticks and rumex dentatus.
The utility model in actual applications, from bottom to top respectively by the coarse grain footpath packing layer for mixing, middle particle diameter filler
Layer and vegetable layer press 5:4:2 thickness ratio is paved, and after paving, plants big bur beggar-ticks and tooth fruit on described on hypothallus
Garden sorrel, the piggery wastewater after anaerobic digestion enter the purified treatment area by inhalant region, after adsorption cleaning, by water outlet
The outlet pipe that area rear end is provided with is arranged to outside.
After the utility model process, water quality reaches《Livestock and poultry breeding industry pollutant emission standard (GB18596-2001)》
Standard.The breeding wastewater of the matrix treatments anaerobic digestion being related to using the utility model, the COD of water outlet, ammonia nitrogen and total phosphorus
Content's index reaches《Livestock and poultry breeding industry pollutant emission standard (GB18596-2001)》Requirement, the concentration of water outlet total phosphorus reaches
Arrive《Urban wastewater treatment firm pollutant emission standard (GB18918-2002)》The standard of primary standard B.
The utility model simple structure, it is reasonable in design, the internal structure of drowned flow artificial wet land can be efficiently modified so as to present
The region of aerobic, anaerobism, beneficial to degraded of the wet land system to nitrogen pollutant, contributes to the popularization and application of Artificial Wetland Techniques;Adopt
Filler even pore distribution, penetrating power are strong, make that the water energy into wet land system is enough and matrix has sufficient contact surface,
The sewage purification ability of matrix is improve, has delayed the blocking of wetland, improve the service life of wetland.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to the utility model
Restriction, retouching, modification or equivalent that all one of ordinary skill in the art are made as described above belong to this reality
With new protection domain.
Claims (4)
1. a kind of drowned flow artificial wet land structure with training wall, it is characterised in that:Including purified treatment area, the purified treatment
Area is respectively provided on two sides with inhalant region and exhalant region, and the purified treatment area include being sequentially provided with from top to bottom vegetable layer, in
Particle diameter packing layer and coarse grain footpath packing layer, the thickness ratio of the vegetable layer, middle particle diameter packing layer and coarse grain footpath packing layer is 2:4:
5, the purified treatment area is respectively equipped with training wall near two bottom sides, and training wall described in two is through the middle particle diameter packing layer
Local and the coarse grain footpath packing layer whole, and described in two between training wall, between the purified treatment area and the inhalant region
Deflector is respectively equipped with, the deflector lower end is with drowned flow artificial wet land bottom at a distance of 10~20cm;Near the exhalant region bottom
Portion is provided with the outlet pipe of the controllable drowned flow artificial wet land water level, the training wall surface and the drowned flow artificial wet land water level
At a distance of 10~20cm.
2. the drowned flow artificial wet land structure with training wall according to claim 1, it is characterised in that:Under the deflector
End is with drowned flow artificial wet land bottom at a distance of 15cm.
3. the drowned flow artificial wet land structure with training wall according to claim 1, it is characterised in that:The training wall table
Face is with the drowned flow artificial wet land water level at a distance of 15cm.
4. the drowned flow artificial wet land structure with training wall according to claim 1, it is characterised in that:The drowned flow artificial
The wetland plant planted on wetland is big bur beggar-ticks and rumex dentatus.
Priority Applications (1)
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CN201620930744.8U CN206033382U (en) | 2016-08-24 | 2016-08-24 | Undercurrent constructed wetland structure with training wall |
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CN201620930744.8U CN206033382U (en) | 2016-08-24 | 2016-08-24 | Undercurrent constructed wetland structure with training wall |
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CN206033382U true CN206033382U (en) | 2017-03-22 |
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CN201620930744.8U Expired - Fee Related CN206033382U (en) | 2016-08-24 | 2016-08-24 | Undercurrent constructed wetland structure with training wall |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107746113A (en) * | 2017-10-31 | 2018-03-02 | 安徽舜禹水务股份有限公司 | A kind of three-level vertical subsurface flow wetland tail water processing unit |
-
2016
- 2016-08-24 CN CN201620930744.8U patent/CN206033382U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107746113A (en) * | 2017-10-31 | 2018-03-02 | 安徽舜禹水务股份有限公司 | A kind of three-level vertical subsurface flow wetland tail water processing unit |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20170824 |
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CF01 | Termination of patent right due to non-payment of annual fee |