CN114031183A - Composite surface flow wetland system - Google Patents
Composite surface flow wetland system Download PDFInfo
- Publication number
- CN114031183A CN114031183A CN202111256445.2A CN202111256445A CN114031183A CN 114031183 A CN114031183 A CN 114031183A CN 202111256445 A CN202111256445 A CN 202111256445A CN 114031183 A CN114031183 A CN 114031183A
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- Prior art keywords
- wetland system
- tank
- surface flow
- flow wetland
- water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
Abstract
The invention discloses a composite surface flow wetland system which comprises a sewage inlet and a surface flow wetland system, wherein the sewage inlet is connected with a preposed tank, the preposed tank is connected with a sedimentation tank through a water pump, the sedimentation tank is connected with an aeration tank, the aeration tank is connected with the surface flow wetland system, and the surface flow wetland system is connected with a standard discharge port. The advanced treatment is carried out on sewage through the combination of three types of cell bodies, the sewage is realized, all levels of sludge treatment units are complete, the investment is saved, the operation cost is low, the wetland system is a composite system, the aeration tank is adopted for timing automatic water lifting and aeration, the dissolved oxygen in the water is enhanced, the effect of aerobic microorganisms in the water is enhanced, COD and ammonia nitrogen are subjected to certain removal effect, and the natural diffusion can be prevented through units such as a deep groove to ensure the field planting effect of planting unit landscape design, the surface flow wetland system effectively improves the water quality purification capacity of the unit surface flow wetland area.
Description
Technical Field
The invention relates to the technical field of wetland systems, in particular to a composite surface flow wetland system.
Background
The artificial wetland is also called constructed wetland, is a constructed and supervised controlled ground similar to a marsh, and is designed and constructed by combining physical, chemical and biological actions and optimization in a natural ecosystem of the wetland, and the sewage is treated by utilizing the coordination relationship action of the three actions. The general artificial wetland system has the following characteristics: (1) the construction and operation cost is low; (2) the maintenance is easy; (3) effective and reliable wastewater treatment can be carried out; (4) impact on hydraulic and pollution loads can be buffered; (5) can produce benefits such as aquatic products, livestock products, paper-making raw materials, building materials, greening, wildlife inhabitation, entertainment and education. The artificial wetland system is an ecological pollution control measure which should be widely popularized.
The sewage in the existing artificial wetland system usually comes from domestic sewage, industrial wastewater and even initial rainwater, the raw water contains suspended matters, the sewage is directly discharged into the wetland unit without pretreatment, the blockage of the wetland unit is easily caused, the inconvenience of cleaning is caused, and the purification efficiency of the wetland is low. Therefore, a composite surface flow wetland system is needed.
Disclosure of Invention
The invention aims to provide a composite surface flow wetland system, which aims to solve the problems that in the prior artificial wetland system, sewage usually comes from domestic sewage, industrial wastewater or even initial rainwater, suspended matters are contained in raw water, the sewage is directly discharged into a wetland unit without pretreatment, the wetland unit is easy to be clogged, the cleaning is inconvenient, and the purification efficiency of the wetland is low.
In order to achieve the purpose, the invention provides the following technical scheme: the composite surface flow wetland system comprises a sewage inlet and a surface flow wetland system, wherein the sewage inlet is connected with a preposed tank, the preposed tank is connected with a sedimentation tank through a water pump, the sedimentation tank is connected with an aeration tank, the aeration tank is connected with the surface flow wetland system, and the surface flow wetland system is connected with a standard discharge port.
Preferably, a filtering grille is arranged in the sewage inlet, the filtering grille can intercept larger particle suspended matters and floating objects in water so as to ensure the normal operation of subsequent treatment facilities, meanwhile, the organic load of subsequent treatment facilities is reduced, the preposed tank carries out primary biochemical treatment on the sewage to decompose organic matters into water and carbon dioxide, the efficiency of removing the organic matters is very high, the preposed tank removes most of the organic matters and then introduces the water into the sedimentation tank through a water pump, the sedimentation tank is used for settling the entering water body and settling the settleable micro-particles, the sedimentation tank is connected with the aeration tank, the aeration tank automatically lifts water and aerates at regular time, enhances the dissolved oxygen of the water body and strengthens the function of aerobic microorganisms in the water body, the system has a certain effect of removing COD and ammonia nitrogen, enters an surface flow wetland system after aeration is finished, and finally, the water body treated by the surface flow wetland system is discharged after reaching the standard.
Preferably, the sedimentation tank is connected with the sludge compression tank through a pipeline, the sludge compression tank compresses the sludge, and a plate pressing machine is arranged beside the sludge compression tank and used for pressing the compressed sludge.
Preferably, the surface flow wetland system comprises a water inlet pipe, wherein a deep groove is formed in the right side of the water inlet pipe, a shallow flow pool is arranged on the right side of the deep groove, a shallow flow packing layer is arranged below the shallow flow pool, aquatic plants are arranged in the shallow flow pool, a gravel layer is arranged on the right side of the shallow flow pool, a shallow channel is arranged on the right side of the gravel layer, and emergent aquatic plants are arranged on the right side of the shallow channel.
Preferably, the emergent aquatic plant comprises one or any combination of reed, zizania latifolia, cattail and cold-resistant water lily.
Preferably, a soil layer is arranged in the sedimentation layer, a substrate layer is arranged below the soil layer, and a pebble layer is arranged below the substrate layer.
Preferably, the bottom of the shallow flow pool is provided with anti-seepage geotextile, and the side walls and the bottoms of the deep groove and the shallow channel are provided with anti-seepage geotextile.
Preferably, the aquatic plant comprises one or any combination of hydrilla verticillata, hornwort, potamogeton crispus, sowthistle tasselflower herb and curly pondweed.
Compared with the prior art, the invention has the beneficial effects that: the composite surface flow wetland system adopts a preposed tank, a sedimentation tank and an aeration tank, and combines the three tank bodies, the sewage is pre-treated, the complete matching of all levels of sewage and sludge treatment units is realized, the investment is saved, the operating cost is low, so that the wetland system is a composite system, the aeration tank is adopted to automatically lift water and aerate at regular time, simultaneously the dissolved oxygen of the water body is enhanced, the function of aerobic microorganisms of the water body is strengthened, has a certain effect of removing COD and ammonia nitrogen, and the deep ditch and the shallow ditch not only bear the functions of water delivery and water distribution, but also plant aquatic plants on the side slope or the bottom of the deep ditch and the shallow ditch, the ecological environment-friendly wetland purification system can be most effectively utilized, the effective utilization area of the whole wetland purification system is enhanced, the land utilization rate is improved, and the natural diffusion can be prevented by units such as a deep groove, the planting effect of the landscape design of the planting units can be ensured, and the water quality purification capacity of the unit surface flow wetland area is effectively improved by the surface flow wetland system.
Drawings
FIG. 1 is a flow chart of the overall structure of the system of the present invention;
fig. 2 is a structure diagram of the surface wetland system of the invention.
In the figure: 1. a surface flow wetland system; 2. deep trench; 3. a shallow flow pool; 4. an aquatic plant; 5. a shallow flow packing layer; 6. a gravel layer; 7. shallow trench; 8. emerging plants; 9. and (4) a water inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides an embodiment: a composite surface flow wetland system 1 comprises a sewage inlet and a surface flow wetland system 1, wherein the sewage inlet is connected with a preposed tank, the preposed tank is connected with a sedimentation tank through a water pump, the sedimentation tank is connected with an aeration tank, the aeration tank is connected with the surface flow wetland system 1, and the surface flow wetland system 1 is connected with a standard discharge port.
Furthermore, a filtering grille is arranged in the sewage inlet and can intercept larger particle suspended matters and floating objects in the water so as to ensure the normal operation of subsequent treatment facilities, meanwhile, the organic load of subsequent treatment facilities is reduced, the preposed tank carries out primary biochemical treatment on the sewage to decompose organic matters into water and carbon dioxide, the efficiency of removing the organic matters is very high, the preposed tank removes most of the organic matters and then introduces the water into the sedimentation tank through a water pump, the sedimentation tank carries out sedimentation on the entering water body, sedimentation can settle micro particles, the sedimentation tank is connected with the aeration tank, the aeration tank carries out timing automatic water lifting and aeration, simultaneously enhances the dissolved oxygen of the water body and strengthens the action of aerobic microorganisms of the water body, the method has a certain effect of removing COD and ammonia nitrogen, enters the surface flow wetland system 1 after aeration is finished, and finally, the water body treated by the surface flow wetland system 1 is discharged after reaching the standard.
Further, the sedimentation tank is connected with the sludge compression tank through a pipeline, the sludge compression tank compresses sludge, a plate pressing machine is arranged beside the sludge compression tank and is used for pressing the compressed sludge, and the sludge finished by the plate pressing machine is recycled.
Further, surface flow wetland system 1 include inlet tube 9, the inlet tube 9 right side is provided with deep groove 2, 2 right sides in deep groove are provided with shallow pond 3, shallow pond 3 below is provided with shallow packing layer 5, is provided with aquatic plant 4 in the shallow pond 3, shallow pond 3 right sides is provided with gravel layer 6, gravel layer 6 right side is provided with shallow canal 7, shallow canal 7 right side is provided with emergent aquatic plant 8.
Further, the emergent aquatic plant 8 comprises one or any combination of reed, zizania latifolia, cattail and cold-resistant water lily.
Further, a soil layer is arranged in the sedimentation layer, a substrate layer is arranged below the soil layer, a pebble layer is arranged below the substrate layer, and the substrate layer is mainly used for accommodating water body permeation.
Furthermore, the bottom of the shallow flow pool 3 is provided with anti-seepage geotextile, and the side walls and the bottoms of the deep groove 2 and the shallow channel 7 are provided with anti-seepage geotextile.
Further, the aquatic plant 4 comprises one or any combination of hydrilla verticillata, goldfish algae, potamogeton crispus, sowthistle tasselflower herb and curly pondweed.
The composite surface flow wetland system 1 of the embodiment of the invention adopts the preposed tank, the sedimentation tank and the aeration tank, and performs preposed composite treatment on sewage through the combination of three tank bodies, so that each level of treatment units of the sewage and the sludge are complete, the investment is saved, the operation cost is low, the wetland system is a composite system, the aeration tank is adopted to automatically lift water and aerate at regular time, simultaneously, the dissolved oxygen of the water body is enhanced, the effect of aerobic microorganisms of the water body is enhanced, a certain removing effect on COD and ammonia nitrogen is realized, the deep groove 2 and the shallow groove 7 are used for water conveying and water distribution, the aquatic plant 4 planted on the side slope or the bottom of the deep groove is most effectively utilized when being suitable for the living environment, the effective utilization area of the whole wetland purification system is enhanced, the land utilization rate is improved, and the natural diffusion can be prevented through the units such as the deep groove 2 and the like to ensure the planting effect designed by the landscape unit, the surface flow wetland system 1 effectively improves the water quality purification capacity of the unit surface flow wetland area.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, improvements and the like can be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a compound surface current wetland system, includes sewage inlet port and surface current wetland system (1), its characterized in that: the sewage inlet is connected with the preposed tank, the preposed tank is connected with the sedimentation tank through a water pump, the sedimentation tank is connected with the aeration tank, the aeration tank is connected with the surface flow wetland system (1), and the surface flow wetland system (1) is connected with the standard-reaching discharge port.
2. The composite surface flow wetland system of claim 1, which is characterized in that: a filtering grille is arranged in the sewage inlet and can intercept larger particle suspended matters and floating objects in the water so as to ensure the normal operation of subsequent treatment facilities, meanwhile, the organic load of subsequent treatment facilities is reduced, the preposed tank carries out primary biochemical treatment on the sewage to decompose organic matters into water and carbon dioxide, the efficiency of removing the organic matters is very high, the preposed tank removes most of the organic matters and then introduces the water into the sedimentation tank through a water pump, the sedimentation tank is used for settling the entering water body and settling the settleable micro-particles, the sedimentation tank is connected with the aeration tank, the aeration tank can automatically lift water and aerate at regular time, enhance the dissolved oxygen of the water body and strengthen the function of aerobic microorganisms in the water body, the device has a certain effect of removing COD and ammonia nitrogen, enters the surface flow wetland system (1) after aeration is finished, and finally, the water body treated by the surface flow wetland system (1) is discharged after reaching the standard.
3. The composite surface flow wetland system of claim 2, which is characterized in that: the sedimentation tank is connected with the sludge compression tank through a pipeline, the sludge compression tank compresses sludge, and a plate pressing machine is arranged beside the sludge compression tank and used for pressing the compressed sludge.
4. The composite surface flow wetland system of claim 3, which is characterized in that: the surface flow wetland system (1) comprises a water inlet pipe (9), wherein a deep groove (2) is arranged on the right side of the water inlet pipe (9), a shallow flow pool (3) is arranged on the right side of the deep groove (2), a shallow flow packing layer (5) is arranged below the shallow flow pool (3), aquatic plants (4) are arranged in the shallow flow pool (3), a gravel layer (6) is arranged on the right side of the shallow flow pool (3), a shallow channel (7) is arranged on the right side of the gravel layer (6), and emergent aquatic plants (8) are arranged on the right side of the shallow channel (7).
5. The composite surface flow wetland system of claim 4, which is characterized in that: the emergent aquatic plant (8) comprises one or any combination of reed, zizania latifolia, cattail and cold-resistant water lily.
6. The composite surface flow wetland system of claim 5, which is characterized in that: the soil layer is arranged in the sedimentation layer, the matrix layer is arranged below the soil layer, and the pebble layer is arranged below the basal stone layer.
7. The composite surface flow wetland system of claim 6, which is characterized in that: the bottom of the shallow flow pool (3) is provided with anti-seepage geotextile, and the side walls and the bottoms of the deep groove (2) and the shallow channel (7) are provided with anti-seepage geotextile.
8. The composite surface flow wetland system of claim 7, which is characterized in that: the aquatic plant (4) comprises one or any combination of hydrilla verticillata, goldfish algae, potamogeton crispus, sowthistle tasselflower herb and curly pondweed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111256445.2A CN114031183A (en) | 2021-10-27 | 2021-10-27 | Composite surface flow wetland system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111256445.2A CN114031183A (en) | 2021-10-27 | 2021-10-27 | Composite surface flow wetland system |
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| Publication Number | Publication Date |
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| CN114031183A true CN114031183A (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111256445.2A Withdrawn CN114031183A (en) | 2021-10-27 | 2021-10-27 | Composite surface flow wetland system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2942757B1 (en) * | 1998-04-28 | 1999-08-30 | 建設省土木研究所長 | Water purification method using wetland |
| CN101585581A (en) * | 2008-05-20 | 2009-11-25 | 海斯博特（北京）科技有限公司 | Combined type artificial wetland sewage treatment system |
| CN201762212U (en) * | 2010-07-27 | 2011-03-16 | 北京特兰斯福生态环境科技发展有限公司 | Wastewater disposal system for artificial wetlands |
| CN103043800A (en) * | 2012-12-28 | 2013-04-17 | 上海勘测设计研究院 | Composite surface flow wetland system |
| CN203033831U (en) * | 2012-12-28 | 2013-07-03 | 上海勘测设计研究院 | Compound type surface flow wetland system |
| CN203065308U (en) * | 2013-01-29 | 2013-07-17 | 云南睿锦环保科技有限公司 | Wetland sewage treatment system |
| CN111056700A (en) * | 2019-12-05 | 2020-04-24 | 上海市建工设计研究总院有限公司 | Novel composite wetland system for repairing micro-polluted water body |
| CN212127909U (en) * | 2020-04-19 | 2020-12-11 | 郑州亿众环境科技有限公司 | Artificial wetland deep purification system for treating industrial wastewater |
-
2021
- 2021-10-27 CN CN202111256445.2A patent/CN114031183A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2942757B1 (en) * | 1998-04-28 | 1999-08-30 | 建設省土木研究所長 | Water purification method using wetland |
| CN101585581A (en) * | 2008-05-20 | 2009-11-25 | 海斯博特（北京）科技有限公司 | Combined type artificial wetland sewage treatment system |
| CN201762212U (en) * | 2010-07-27 | 2011-03-16 | 北京特兰斯福生态环境科技发展有限公司 | Wastewater disposal system for artificial wetlands |
| CN103043800A (en) * | 2012-12-28 | 2013-04-17 | 上海勘测设计研究院 | Composite surface flow wetland system |
| CN203033831U (en) * | 2012-12-28 | 2013-07-03 | 上海勘测设计研究院 | Compound type surface flow wetland system |
| CN203065308U (en) * | 2013-01-29 | 2013-07-17 | 云南睿锦环保科技有限公司 | Wetland sewage treatment system |
| CN111056700A (en) * | 2019-12-05 | 2020-04-24 | 上海市建工设计研究总院有限公司 | Novel composite wetland system for repairing micro-polluted water body |
| CN212127909U (en) * | 2020-04-19 | 2020-12-11 | 郑州亿众环境科技有限公司 | Artificial wetland deep purification system for treating industrial wastewater |
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Application publication date: 20220211 |