CN217418325U - Multi-medium aeration vertical subsurface flow constructed wetland - Google Patents
Multi-medium aeration vertical subsurface flow constructed wetland Download PDFInfo
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- CN217418325U CN217418325U CN202220700754.8U CN202220700754U CN217418325U CN 217418325 U CN217418325 U CN 217418325U CN 202220700754 U CN202220700754 U CN 202220700754U CN 217418325 U CN217418325 U CN 217418325U
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- Prior art keywords
- purification layer
- aeration
- layer
- soil
- filler
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- 238000005273 aeration Methods 0.000 title claims abstract description 42
- 238000000746 purification Methods 0.000 claims abstract description 49
- 239000002689 soil Substances 0.000 claims abstract description 47
- 239000000945 filler Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000004576 sand Substances 0.000 claims abstract description 9
- 239000011178 precast concrete Substances 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 229910021536 Zeolite Inorganic materials 0.000 claims description 9
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000010457 zeolite Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 13
- 231100000719 pollutant Toxicity 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000008187 granular material Substances 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract 2
- 238000005728 strengthening Methods 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Treatment Of Biological Wastes In General (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The utility model discloses a perpendicular undercurrent constructed wetland of multi-medium aeration, include: integration equipment shell, soil purification layer, aeration water distribution district, filler purification layer, large granule filler bearing layer, integration equipment shell for strengthening precast concrete halfcylinder cell type structure, soil purification layer top-down has planting soil and fine sand, plants the wetland plant on the planting soil, soil purification layer lower extreme is equipped with thin grid plate, aeration water distribution district top-down is equipped with the perforation aeration pipe and advances water distributor, large granule filler bearing layer is terminal to have the water collection drain pipe, soil purification layer is for dismantling the modular unit, and its shell comprises the steelframe, and side and bottom are wrapped up by the wire net, and the perforation aeration pipe is evenly arranged at the constructed wetland unit of complete equipment. The utility model discloses the during operation further reduces pollutant concentration, and the play water is discharge to reach standard or the retrieval and utilization is irrigated, prevents the system blockage, can hang the module of dismantling on getting soil purification layer, carries out the system maintenance.
Description
Technical Field
The utility model relates to a sewage treatment station tail water treatment technical field specifically is a perpendicular undercurrent constructed wetland of multimedium aeration.
Background
In recent years, artificial wetlands are widely used in rural domestic sewage treatment projects, a formed substrate-plant-microorganism ecosystem can absorb, convert and degrade pollutants in water to achieve the purpose of purifying water, and compared with other sewage treatment processes, the artificial wetlands also have multiple ecological service functions, can absorb carbon dioxide, block sand dust, reduce noise and beautify the environment. However, most of the existing artificial wetlands have the defects of easy blockage, complex maintenance, insufficient dissolved oxygen during operation in winter, low pollutant removal efficiency and the like, so that the problems of the artificial wetlands in practical application are continuous.
Therefore, we propose a multi-medium aeration vertical subsurface flow constructed wetland so as to solve the problems proposed in the above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a perpendicular undercurrent constructed wetland of many media aeration to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a multi-medium aeration vertical subsurface flow constructed wetland comprises: the device comprises an integrated device shell, a soil purification layer, an aeration water distribution area, a filler purification layer and a large-particle filler bearing layer, wherein the integrated device shell is of a reinforced precast concrete semi-cylinder groove structure, the soil purification layer is provided with planting soil and fine sand from top to bottom, and wetland plants are planted on the planting soil;
the lower end of the soil purification layer is provided with a fine grid plate, and the aeration water distribution area is provided with a perforated aeration pipe and a water inlet and distribution pipe from top to bottom;
the tail end of the large-particle filler bearing layer is provided with a water collecting and draining pipe;
the soil purification layer is detachable module units, a shell of the soil purification layer is composed of a steel frame, the side face and the bottom of the soil purification layer are wrapped by a steel wire mesh, two groups of lifting handles are symmetrically arranged on the steel frame, and two lifting handles are arranged in each group.
The perforated aeration pipes are uniformly arranged in the artificial wetland units of the whole set of equipment.
Preferably, the filler purification layer has a zeolite and iron filings matrix from top to bottom.
Preferably, the large-particle filler bearing layer is provided with coarse gravel and cobbles from top to bottom.
Preferably, the particle size and height of the filler are respectively: 300mm in height of planting soil, 8-15mm in diameter of fine sand, 100mm in height, 15-20mm in diameter of zeolite, 200mm in height of scrap iron, 25-35mm in diameter of coarse gravel, 100mm in height, 40-60mm in diameter of cobblestone, and 340mm in height.
Preferably, the filler particle size in the soil purification layer, the filler purification layer and the large-particle filler bearing layer is gradually increased from top to bottom.
Preferably, two rows of holes are formed in the perforated aeration pipe, the two rows of holes are staggered by half a hole pitch relatively, the included angle from the two rows of holes to the center of the water pipe is ninety degrees, and the hole diameter is phi 5 mm.
Compared with the prior art, the beneficial effects of the utility model are that: the device comprises an integrated device shell, a soil purification layer, an aeration water distribution area, a filler purification layer and a large-particle filler bearing layer, and solves the problems of easy blockage, complex maintenance, insufficient dissolved oxygen during operation in winter and low pollutant removal efficiency;
1. the utility model discloses during operation, sewage after biochemical treatment unit handles flows into equipment water distributor that intakes, and the wetland plant roots natural purification effect through soil purification layer removes partial pollutant, flows into filler purification layer again, can get rid of pollutants such as suspended solid, nitrogen, phosphorus through zeolite and iron fillings layer, further reduces pollutant concentration, and the rivers after the processing discharge into the drain pipe that catchments through large granule filler bearing layer, and the effluent is up to standard to discharge or retrieval and utilization are irrigated;
2. be equipped with the perforation aeration pipe in the system and carry out intermittent type aeration, can be for plant roots oxygen suppliment, when improving the pollutant and get rid of efficiency, prevent the system block up, if take place the jam condition (mostly take place at thin packing layer promptly soil purification layer) or pipeline trouble in the later stage operation, can hang and get the module dismantled on soil purification layer, carry out the system and overhaul and maintain.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a detachable modular unit according to the present invention;
fig. 3 is a schematic diagram of the transverse cross-section structure of the present invention;
fig. 4 is a schematic longitudinal cross-sectional structure of the present invention;
FIG. 5 is a plan view of the perforated aeration pipe of the present invention;
fig. 6 is a schematic view of a partial structure of the perforated aeration pipe of the present invention.
In the figure: 1. an integrated equipment housing; 2. cobblestones; 3. coarse gravel; 4. scrap iron; 5. a zeolite; 6. an aeration water distribution area; 7. a fine grid plate; 8. fine sand; 9. planting soil; 10. a water inlet and distribution pipe; 11. perforating an aeration pipe; 12. a water collecting and draining pipe; 13. wetland plants; 14. a detachable module unit; 15. a steel frame; 16. steel wire mesh; 17. and (5) hoisting a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a multi-medium aeration vertical subsurface flow constructed wetland comprises: the integrated equipment comprises an integrated equipment shell 1, a soil purification layer, an aeration water distribution area 6, a filler purification layer and a large-particle filler bearing layer, wherein the integrated equipment shell 1 is of a reinforced precast concrete semi-cylindrical groove structure, the soil purification layer is provided with planting soil 9 and fine sand 8 from top to bottom, and wetland plants 13 are planted on the planting soil 9;
the lower end of the soil purification layer is provided with a fine grid plate 7, and the aeration water distribution area 6 is provided with a perforated aeration pipe 11 and a water inlet and distribution pipe 10 from top to bottom;
the filler purification layer is provided with a zeolite 5 and scrap iron 4 matrix from top to bottom;
the large-particle filler bearing layer is provided with coarse gravels 3 and cobblestones 2 from top to bottom;
the particle size and height of the filler are respectively: the height of the planting soil 9 is 300mm, the diameter of the fine sand is 8 mm to 15mm, the height is 100mm, the diameter of the zeolite is 5mm to 20mm, the height is 200mm, the height of the scrap iron is 4 mm, the diameter of the coarse gravel is 3 mm to 35mm, the height is 100mm, the diameter of the cobblestone is 2 mm to 60mm, and the height is 340 mm;
the particle sizes of fillers in the soil purification layer, the filler purification layer and the large-particle filler bearing layer are gradually increased from top to bottom;
the tail end of the large-particle filler bearing layer is provided with a water collecting and draining pipe 12;
the soil purification layer is a detachable module unit 14, the shell of the soil purification layer is composed of a steel frame 15, the side surface and the bottom of the soil purification layer are wrapped by a steel wire mesh 16, two groups of lifting handles 17 are symmetrically arranged on the steel frame 15, and two lifting handles 17 are arranged in each group;
the detachable module unit 14 is convenient for installation in the early stage, is convenient for maintenance and replacement after blockage in the later stage, and is also beneficial to the maintenance of the perforated aeration pipe 11 and the water inlet and distribution pipe 10 at the lower end of the soil layer.
The perforation aeration pipe 11 is evenly arranged in the constructed wetland unit of the whole set of equipment, and two rows of holes are opened on every perforation aeration pipe 11, and two rows of holes stagger half pitch-row relatively, and the included angle from two rows of holes to the center of the water pipe is ninety degrees, and the hole aperture is phi 5mm, ensures that the aeration is even, and aeration system can ventilate the oxygen suppliment for the soil purification layer, improves the removal effect of plant to the pollutant.
The utility model discloses during operation, sewage after the biochemical treatment unit handles flows into equipment water distributor 10 that intakes, gets rid of some pollutants through the wetland plant 13 root system natural purification effect on soil purification layer, flows into filler purification layer again, can get rid of pollutants such as suspended solid, nitrogen, phosphorus through zeolite 5 and iron fillings 4 layer, further reduces pollutant concentration, and the rivers after the processing are discharged into water collecting and draining pipe 12 through large granule filler bearing layer, and the effluent is up to standard to discharge or retrieval and utilization are irrigated;
be equipped with perforation aeration pipe 11 in the system and carry out intermittent type aeration, can be for the plant roots oxygen suppliment, when improving pollutant removal efficiency, prevent the system blockage, if take place the jam condition (mostly take place at thin packing layer promptly soil purification layer) or pipeline trouble in the later stage operation, can hang and get the removable module 14 on soil purification layer, carry out the system and overhaul and maintain.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A multi-medium aeration vertical subsurface flow constructed wetland is characterized in that: the method comprises the following steps: the integrated equipment comprises an integrated equipment shell, a soil purification layer, an aeration water distribution area, a filler purification layer and a large-particle filler bearing layer, wherein the integrated equipment shell is of a reinforced precast concrete semi-cylinder groove-shaped structure, the soil purification layer is provided with planting soil and fine sand from top to bottom, and wetland plants are planted on the planting soil;
the lower end of the soil purification layer is provided with a fine grid plate, and the aeration water distribution area is provided with a perforated aeration pipe and a water inlet and distribution pipe from top to bottom;
the tail end of the large-particle filler bearing layer is provided with a water collecting and draining pipe;
the soil purification layer is a detachable module unit, the shell of the soil purification layer is composed of a steel frame, the side surface and the bottom of the soil purification layer are wrapped by a steel wire mesh, two groups of lifting handles are symmetrically arranged on the steel frame, two lifting handles are arranged in each group,
the perforated aeration pipes are uniformly arranged in the artificial wetland unit of the whole set of equipment.
2. The multi-medium aerated vertical subsurface flow constructed wetland according to claim 1, wherein the filler purification layer comprises zeolite and iron filings as substrates from top to bottom.
3. The multi-medium aerated vertical subsurface flow constructed wetland according to claim 1, wherein the large-particle filler supporting layer is provided with coarse gravel and cobblestones from top to bottom.
4. The multi-medium aerated vertical subsurface flow constructed wetland according to claim 1, 2 or 3, wherein the particle size and height of the filler are respectively as follows: 300mm in height of planting soil, 8-15mm in diameter of fine sand, 100mm in height, 15-20mm in diameter of zeolite, 200mm in height of scrap iron, 25-35mm in diameter of coarse gravel, 100mm in height, 40-60mm in diameter of cobblestone, and 340mm in height.
5. The multi-media aeration vertical subsurface flow constructed wetland according to claim 1, wherein the particle size of the filler in the soil purification layer, the filler purification layer and the large-particle filler support layer is gradually increased from top to bottom.
6. The multi-medium aeration vertical subsurface flow constructed wetland according to claim 1, wherein the perforated aeration pipe is provided with two rows of holes, the two rows of holes are staggered with respect to each other by half of the pitch, the included angle between the two rows of holes and the center of the water pipe is ninety degrees, and the hole diameter is phi 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220700754.8U CN217418325U (en) | 2022-03-29 | 2022-03-29 | Multi-medium aeration vertical subsurface flow constructed wetland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220700754.8U CN217418325U (en) | 2022-03-29 | 2022-03-29 | Multi-medium aeration vertical subsurface flow constructed wetland |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217418325U true CN217418325U (en) | 2022-09-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220700754.8U Expired - Fee Related CN217418325U (en) | 2022-03-29 | 2022-03-29 | Multi-medium aeration vertical subsurface flow constructed wetland |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217418325U (en) |
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2022
- 2022-03-29 CN CN202220700754.8U patent/CN217418325U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220913 |