CN220393450U - Wetland purification curtain wall - Google Patents
Wetland purification curtain wall Download PDFInfo
- Publication number
- CN220393450U CN220393450U CN202321537546.1U CN202321537546U CN220393450U CN 220393450 U CN220393450 U CN 220393450U CN 202321537546 U CN202321537546 U CN 202321537546U CN 220393450 U CN220393450 U CN 220393450U
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- CN
- China
- Prior art keywords
- carrier
- carriers
- curtain wall
- overflow port
- wetland
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- 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.)
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- 238000000746 purification Methods 0.000 title abstract description 8
- 239000000969 carrier Substances 0.000 claims abstract description 27
- 235000015097 nutrients Nutrition 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims abstract description 5
- 241000196324 Embryophyta Species 0.000 claims description 25
- 241000360771 Coreana Species 0.000 claims description 3
- 241000721692 Lythrum Species 0.000 claims description 3
- 241000233948 Typha Species 0.000 claims description 3
- 235000016709 nutrition Nutrition 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000035764 nutrition Effects 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 31
- 239000010865 sewage Substances 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 6
- 244000005700 microbiome Species 0.000 abstract description 3
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 150000003839 salts Chemical class 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- 239000011148 porous material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 240000001592 Amaranthus caudatus Species 0.000 description 2
- 235000009328 Amaranthus caudatus Nutrition 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000255925 Diptera Species 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 244000257727 Allium fistulosum Species 0.000 description 1
- 235000008553 Allium fistulosum Nutrition 0.000 description 1
- 241000383620 Allium mongolicum Species 0.000 description 1
- PDNNQADNLPRFPG-UHFFFAOYSA-N N.[O] Chemical compound N.[O] PDNNQADNLPRFPG-UHFFFAOYSA-N 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002786 root growth Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model provides a wetland purifying curtain wall, which comprises a plurality of carriers, a nutrient matrix and aquatic plants, wherein the carriers are fixed below an overflow port, one side of each carrier is fixed on the inner side of a river bank, and the carriers are detachably connected in a stepped manner; the nutrient substrate is fixed with the carrier, and is used for planting aquatic plants. The inner sides of the river banks are provided with the ladder-shaped carriers, and the adjacent carriers are detachably connected, so that the sewage at the overflow port flows down into the river channel layer by layer through the carriers, and the substrate on the carriers has the functions of fixing plants and microorganism attaching and hanging films and absorbing and adsorbing nutrient salts to assist the plants to grow better, so that the retention time of water flow on the carriers can be prolonged, and the purification treatment effect is improved; the land of the existing river channel is utilized, the land is not limited, and the occupied area is small; meanwhile, the carrier is positioned above the river channel water level, is not influenced by the flow velocity of the river channel water body, and can fully utilize the wetland purifying curtain wall to intercept and purify the overflow port sewage.
Description
Technical Field
The utility model relates to the technical field of overflow port treatment, in particular to a wetland purifying curtain wall for an overflow port with a certain height drop.
Background
In recent years, along with the rapid development of economy and society, population is rapidly increased, a large amount of domestic sewage and industrial wastewater generated in some watercourses are directly discharged without effective treatment, and non-point source pollution caused by factors such as rainwater flushing, agricultural drainage, surface runoff and the like is directly discharged to river channels or water bodies, the pollution load of the non-point source pollution exceeds the water environment bearing capacity of the river, the water environments of some rivers and main tributaries thereof are seriously polluted, the pollutants such as ammonia nitrogen, total phosphorus and the like are seriously out of standard, the water bodies are blackened and odorous, the ecological environment of the water bodies is damaged, and the eutrophication of river water is seriously caused.
At present, aiming at some overflow ports with unorganized emission, the overflow ports can be considered to be connected to the existing sewage pipe network, so that sewage is collected to corresponding sewage plants for centralized treatment; for overflow ports which are not connected with the existing construction pipe network or have high construction cost, finding a sewage blocking and purifying facility for the overflow ports is needed. The prior art patent CN107986577A discloses a river course rain sewage overflow mouth pretreatment systems, including an outside fixing device, this outside fixing device comprises four at least steel pipes that perpendicular to horizontal plane set up, connect through the wire netting between the steel pipe, set gradually bagged soil base layer, gravel filter layer, plain soil layer and emergent aquatic plant by supreme in proper order in the outside fixing device, wire netting inboard periphery is provided with the baffle, wire netting top and gravel filter layer top parallel and level, and then reaches the purpose of carrying out preliminary filtration purification to the overflow sewage that goes into the river.
However, the technical scheme has the following defects: 1. the pretreatment system has the problem of poor dissolved oxygen capacity along with the extension of the operation time, so that the emergent aquatic plants can be influenced to remove organic matters and ammonia oxygen in sewage; 2. the steel pipe, the wire netting, the bagged soil base layer, the gravel filter layer and other structures are arranged, so that a large amount of space is occupied, and meanwhile, in the running process, the blocking phenomenon is easy to occur; 3. the installation and maintenance are complex, and the real-time adjustment is difficult to realize according to the height change of the river water level, so that the application flexibility of facilities is poor.
Disclosure of Invention
In view of the above, the utility model provides a wetland purifying curtain wall, which solves the problems of poor purifying effect and poor application flexibility of an overflow port pretreatment system in the prior art by constructing a detachable ladder-shaped carrier.
The technical scheme of the utility model is realized as follows: the utility model provides a wetland purifying curtain wall, which comprises a plurality of carriers, a nutrition matrix and aquatic plants,
the carriers are fixed below the overflow port, one side of each carrier is fixed on the inner side of the river bank, and a plurality of carriers are detachably connected in a stepped mode;
the nutrient substrate is fixed with the carrier, and is used for planting aquatic plants.
On the basis of the technical scheme, preferably, the distance between the top of the carrier and the overflow port is 1-3 meters.
On the basis of the above technical scheme, preferably, the length and the width of the carrier near one end of the overflow port exceed the overflow port by 0.1-0.3m.
On the basis of the above technical scheme, preferably, the height of each carrier is 60-100cm.
On the basis of the above technical solution, preferably, the carrier is provided with a plurality of planting holes, the planting holes include through holes embedded in the thickness direction and the width direction of the carrier, and the planting holes are used for placing the nutrient medium.
On the basis of the technical scheme, preferably, the aperture areas of the planting holes are equal, and the aperture of the planting hole is 10-15cm.
On the basis of the technical scheme, preferably, the aperture areas of the planting holes are different, and the aperture of the planting hole is 5-25cm.
On the basis of the technical scheme, the thickness of the nutrient substrate is preferably 30-60cm, the nutrient substrate comprises soil, ceramsite and active carbon, and the ratio of the soil to the ceramsite to the active carbon is 2:1:1.
On the basis of the technical scheme, preferably, the aquatic plant variety comprises one or more of typha, iris coreana, lythrum, foxtail, rush and/or allium fistulosum.
On the basis of the above technical solution, preferably, the carrier is made of an oxidation-resistant PE material.
Compared with the prior art, the wetland purifying curtain wall has the following beneficial effects:
(1) The inner sides of the river banks are provided with the ladder-shaped carriers, and the adjacent carriers are detachably connected, so that the sewage at the overflow port flows down into the river channel layer by layer through the carriers, the substrate on the carriers has the functions of fixing plants and microorganism attaching and hanging films, and also has the functions of absorbing and adsorbing nutrient salts to assist plants to grow better, so that the retention time of water flow on the carriers can be prolonged, and the purification treatment effect is improved; the land of the existing river channel is utilized, the land is not limited, and the occupied area is small; meanwhile, the carrier is positioned above the river channel water level, is not influenced by the flow velocity of the river channel water body, and can fully utilize the wetland purifying curtain wall to intercept and purify the overflow port sewage;
(2) The carrier is arranged below the overflow port and forms a height difference of 1-3 meters with the carrier, so that on one hand, the contact area of water flow and air can be increased, and free water fall is utilized to carry out full oxygenation, so that sufficient oxygen is provided for the purification function of aquatic plants on the carrier; meanwhile, plants are planted on the carrier to play a role in landscaping on two sides of the river channel.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side view of a wetland purifying curtain wall according to the present utility model;
FIG. 2 is a cross-sectional view of the wetland purifying curtain wall of the present utility model;
fig. 3 is a front view of the carrier of the present utility model.
Reference numerals
1. River banks; 2. a sewage pipe; 201. an overflow port; 3. a carrier; 301. planting holes; 4. a nutrient substrate; 5. and (5) aquatic plants.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
As shown in fig. 1, the wetland purifying curtain wall comprises a plurality of carriers 3, nutrient matrixes 4 and aquatic plants 5, wherein a sewage pipe 2 is arranged in a river bank, one end of the sewage pipe 2 protruding out of the river bank forms an overflow port 201, the carriers 3 are fixed below the overflow port 201, one side of each carrier is fixed with the inner side of the river bank, and the slope of the existing river channel is utilized, so that the river bank is not limited by the land and occupies a small area; meanwhile, the carrier 3 is positioned above the river channel water level, is not influenced by the flow velocity of the river channel water body, and can fully utilize the wetland purifying curtain wall to intercept and purify the sewage at the overflow port 201. The plurality of carriers 3 are detachably connected in a stepped shape, and the distance between the top of the carriers 3 and the overflow port 201 is 1-3 meters, preferably 1 meter. The carrier 3 is arranged below the overflow port 201 and forms a height difference of 1-3 meters with the carrier, so that sewage is in a rain curtain shape when falling to the carrier 3 through the overflow port 201, and the contact area between the sewage and air is increased through drop oxygenation, so that oxygen in the air is dissolved in the water, or unnecessary gas and volatile substances in the water are discharged into the air; meanwhile, the use of an underwater aerator can be reduced or even avoided, the energy consumption is saved, and the running cost of equipment is saved; in addition, the carrier 3 is positioned above the river channel water level, is not influenced by the flow velocity of the river channel water body, and can fully utilize the wetland purifying curtain wall to intercept and purify the sewage at the overflow port 201.
As a preferred embodiment, the plurality of carriers 3 are detachably connected in a stepped manner, specifically, the length of the carrier 3 at one end close to the overflow port 201 exceeds the overflow port 2010.1-0.3m, the subsequent plurality of carriers 3 are sequentially connected towards the direction close to the river level, the length of each carrier 3 exceeds the length of the previous carrier 3 by 0.1-0.3m until the bottom of the last carrier 3 is abutted against or immersed in the river level, and the top of the last carrier 3 exceeds the river level. Through setting carrier 3 to echelonment, make overflow mouth 201 sewage flow to the river course through carrier 3 layer upon layer, can increase the dwell time of rivers on carrier 3, improve purifying treatment effect, the great impurity of part in the sewage receives carrier 3 aquatic plant 5 resistance effect and is intercepted when passing through carrier 3 simultaneously, and then can reach the purpose of interception impurity. The utility model can ensure that the carrier 3 can completely receive the sewage of the overflow port 201 by limiting the length of the carrier 3 exceeding the overflow port 201, thereby achieving the effect of completely intercepting and purifying the sewage; meanwhile, the carrier 3 is prevented from being too long, the width of water flow in the river channel is reduced, and flood control is further affected.
Further, the adjacent carriers 3 are spliced and fixed through buckles or threads, the spliced carriers 3 are fixed through the keel frame, and one end of the keel frame is fixed at the overflow port 201. Through setting up the connection that can dismantle of a plurality of carrier 3, not only easy to assemble maintains, and the user of facilitating the use is according to the high real-time adjustment wetland curtain of river course height simultaneously, has improved the flexibility and the convenience of wetland purification curtain, avoids making partial wetland curtain submergence in water and can't reach the problem that purifies overflow port 201 sewage because of the water level is too high.
As a preferred embodiment, the carrier 3 is provided with a plurality of planting holes 301, the planting holes 301 comprising through holes embedded in the thickness direction and the length direction of the carrier 3, the planting holes 301 being used for placing the nutrient substrate 4, and the spacing between adjacent planting holes 301 being 5-10cm. In one embodiment, the planting holes 301 are equal in size and are each 10-15cm in diameter. In another embodiment, the planting holes 301 have different pore sizes, and the pore sizes range from 5cm to 25cm, preferably from 5cm, 7cm, 10cm, 15cm, and 20cm, and the planting holes 301 with different pore sizes can be selected according to different plants.
As a preferred embodiment, the thickness of the nutrient substrate 4 is 30-60cm, the nutrient substrate 4 comprises soil, ceramsite and active carbon, and the soil, the ceramsite and the active carbon are mixed according to the proportion of 2:1:1. The particle diameters of the ceramsite and the activated carbon are smaller than 5mm, good penetration space and attachments can be provided for plant root growth by arranging the ceramsite, and certain pores exist between the ceramsite and the activated carbon particles, so that an upper matrix is bulked, caking is not easy to occur, and large resistance to flow of water flow is avoided; the active carbon layer can remove peculiar smell and partial toxic substances in water, so that preliminary filtration of water quality is realized, and the active carbon layer is arranged at the top of the nutrient medium 4 and can be replaced conveniently.
As a preferred embodiment, the aquatic plant 5 is a perennial plant 5 suitable for water quality growth of water system, and mainly comprises plants with high pollution resistance and high pollution control and purification potential, including one or more of typha, iris coreana, lythrum, foxtail, rush and/or allium mongolicum. The plant root system on the wetland purifying curtain wall can adsorb and absorb substances such as nitrogen, phosphorus and the like in water, and can reduce pollutants such as COD, BOD, NH3-N, TP and the like in sewage when the substances are stored in plant cells. Meanwhile, the plant root system on the wetland curtain wall has a huge surface area, provides a good fixation carrier 3 for the growth of microorganisms in water, and plays a role of a biological film.
When in use, sewage is discharged through the overflow port 201, falls onto the carrier 3, is adsorbed and purified layer by the active carbon and the aquatic plants 5 on the carrier 3, and flows into a river channel. The wetland purifying curtain wall has the characteristics of convenience in construction, simplicity in maintenance, high treatment efficiency, small occupied river bank space, no consumption of electric energy, high efficiency and stability in pollutant removal, strong adaptability to impact load, no breeding of mosquitoes and flies near the overflow port 201, no influence on the flood discharge requirement of a river channel during a flood peak, and the like.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a wetland purifies curtain which characterized in that: comprises a plurality of carriers (3), a nutrition matrix (4) and aquatic plants (5),
the carriers (3) are fixed below the overflow port (201), one side of each carrier (3) is fixed on the inner side of the river bank (1), and a plurality of the carriers (3) are detachably connected in a stepped mode;
the nutrient substrate (4) is fixed with the carrier (3), and the nutrient substrate (4) is used for planting aquatic plants (5);
the distance between the top of the carrier (3) and the overflow port (201) is 1-3 meters;
the length and the width of the carrier (3) near one end of the overflow port (201) exceed the overflow port (201) by 0.1-0.3m.
2. The wetland purifying curtain wall of claim 1, wherein: the height of the single carrier (3) is 60-100cm.
3. The wetland purifying curtain wall of claim 1, wherein: the carrier (3) is provided with a plurality of planting holes (301), the planting holes (301) comprise through holes embedded in the thickness direction and the width direction of the carrier (3), and the planting holes (301) are used for placing the nutrient substrate (4).
4. A wetland purifying curtain wall according to claim 3, wherein: the aperture areas of the planting holes (301) are equal, and the aperture of the planting holes (301) is 10-15cm.
5. A wetland purifying curtain wall according to claim 3, wherein: the aperture areas of the planting holes (301) are different, and the aperture of the planting holes (301) is 5-25cm.
6. A wetland purifying curtain wall according to claim 3, wherein: the thickness of the nutritional matrix (4) is 30-60cm.
7. The wetland purifying curtain wall of claim 1, wherein: the aquatic plant (5) is selected from typha, iris coreana, lythrum, folium Linderae, medulla Junci or herba Alii Fistulosi.
8. The wetland purifying curtain wall of claim 1, wherein: the carrier (3) is made of an oxidation-resistant PE material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321537546.1U CN220393450U (en) | 2023-06-16 | 2023-06-16 | Wetland purification curtain wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321537546.1U CN220393450U (en) | 2023-06-16 | 2023-06-16 | Wetland purification curtain wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220393450U true CN220393450U (en) | 2024-01-26 |
Family
ID=89599082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321537546.1U Active CN220393450U (en) | 2023-06-16 | 2023-06-16 | Wetland purification curtain wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220393450U (en) |
-
2023
- 2023-06-16 CN CN202321537546.1U patent/CN220393450U/en active Active
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