CN216808497U - Circulation purifies constructed wetland - Google Patents

Circulation purifies constructed wetland Download PDF

Info

Publication number
CN216808497U
CN216808497U CN202123265407.1U CN202123265407U CN216808497U CN 216808497 U CN216808497 U CN 216808497U CN 202123265407 U CN202123265407 U CN 202123265407U CN 216808497 U CN216808497 U CN 216808497U
Authority
CN
China
Prior art keywords
water
pipe
purification
tank
circulation
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
Application number
CN202123265407.1U
Other languages
Chinese (zh)
Inventor
何倩
袁俊峰
卢建晖
付勤
胡锦绣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Dadi Chuangxiang Architectural Landscape Planning And Design Co ltd
Original Assignee
Shenzhen Dadi Chuangxiang Architectural Landscape Planning And Design Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Dadi Chuangxiang Architectural Landscape Planning And Design Co ltd filed Critical Shenzhen Dadi Chuangxiang Architectural Landscape Planning And Design Co ltd
Priority to CN202123265407.1U priority Critical patent/CN216808497U/en
Application granted granted Critical
Publication of CN216808497U publication Critical patent/CN216808497U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to the field of constructed wetland construction, in particular to a circulating purification constructed wetland, which comprises a filtration and purification system, a photovoltaic power supply control system and a water circulation system, wherein the filtration and purification system comprises water ponds and plugboard filtration devices, the plugboard filtration devices are installed among the water ponds, the water ponds are buried under a water body, the tops of the plugboard filtration devices are connected with the photovoltaic power supply control system, the bottoms of the water ponds are connected with the water circulation system, and the photovoltaic power supply control system is electrically connected with the water circulation system. The filtering and purifying system can treat sewage for multiple times, has high treatment efficiency per unit area and strong purifying capacity, and has very high practicability; the photovoltaic power supply control system can fully exert the production potential of resources, prevent the environmental recontamination and play an important role in ecological environment protection; the water circulation system can save water resources and promote virtuous circle of ecological environment.

Description

Circulation purifies constructed wetland
Technical Field
The utility model relates to the field of constructed wetland construction, in particular to a circulating purification constructed wetland.
Background
The artificial wetland is a comprehensive ecological system, which applies the principles of species symbiosis and material cycle regeneration in the ecological system and the coordination principle of structure and function, fully exerts the production potential of resources on the premise of promoting the virtuous cycle of pollutants in wastewater, prevents the re-pollution of the environment and obtains the best benefits of sewage treatment and resource utilization. The constructed wetland surface plant can block particulate matter and other impurity in the sewage by different degrees, and then can play the filtering action, but this kind of purification mode is very limited to the purification effect of water, possesses lower oxygen transmission ability.
The artificial wetland in the prior art is influenced by temperature, seasons and the like, especially flies and mosquitoes are easy to breed in the period of abundant rainfall in summer, the appearance of the artificial wetland is influenced, and odor is often accompanied. Because the complexity of biology and water power increases the understanding of the treatment mechanism, process dynamics and influencing factors of the artificial wetland, the design and operation parameters are not accurate, the effluent water can not meet the design requirements or can not reach the discharge standard due to improper design, and the artificial wetland is converted into a pollution source.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of defects in the prior art, the utility model provides the artificial wetland for circular purification, so that the problem of insufficient purification capacity of the artificial wetland for sewage is solved, and meanwhile, the landscape effect can be improved.
The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a circulation purifies constructed wetland, includes filtration purification system, photovoltaic power supply control system and water circulating system, filtration purification system includes tank and picture peg filter equipment, and picture peg filter equipment installs between the tank, and the tank buries under the water and the top is connected photovoltaic power supply control system, and the bottom of tank is connected with water circulating system, and photovoltaic power supply control system connects water circulating system through the electricity.
Through the technical scheme, the filtering and purifying system can treat sewage for multiple times, and has high treatment efficiency per unit area, strong purification capacity and high practicability; the photovoltaic power supply control system can fully exert the production potential of resources, prevent the re-pollution of the environment and play an important role in the aspect of ecological environment protection; the water circulation system can save water resources and promote virtuous circle of ecological environment.
Further, the tank includes one-level purification pond and second grade purification pond, and at least two-layer planting soil has been laid to one-level purification pond and second grade purification pond bottom, and first layer planting soil is coarse sand and fine soil, and second floor planting soil is medical stone and grit, and still is provided with geotechnological cloth layer between first layer planting soil and the second floor planting soil.
Through above-mentioned technical scheme, set up biological purification pond and can utilize the pollutant of biological decomposition aquatic, energy saving consumes, can also increase ecological benefits and view benefit simultaneously.
Further, be equipped with picture peg filter equipment intercommunication between one-level purification tank and the second grade purification tank, picture peg filter equipment includes removable filter plate and rubber seal strip, and the rubber seal strip winding is in four sides of removable filter plate, and removable filter plate includes three-layer filter layer and the stainless steel mesh of symmetric distribution on the filter layer that superposes in proper order.
Through above-mentioned technical scheme, utilize picture peg filter equipment further to purify the sewage after the prefilter, adopt the multilayer filter layer to strengthen the filter effect for thereby sewage purification quality can be up to standard and recycle.
Furthermore, a permeable concrete layer is laid at the junction of the primary purification tank and the secondary purification tank with the water body, one side of the permeable concrete layer facing the water body is a rough surface, and the top of the permeable concrete layer is connected with a water circulation system.
Through above-mentioned technical scheme, the concrete layer surface that permeates water is coarse, and the fungus membrane can be attached to on it at the in-process of waterfall oxygen, and the fungus membrane can purify quality of water, is favorable to providing oxygen for the growth of plant.
Further, water circulating system divide into extrinsic cycle system and inner cycle system, and extrinsic cycle system includes air pump and air hose, and the air pump is installed on the air hose, and air filter is installed on the top of air hose, and the bottom intercommunication of air hose has the perforation air hose, and the perforation air hose outside evenly is provided with a plurality of bleeder vent, and the perforation air hose is equipped with five at least, and parallel distribution is in the concrete layer that permeates water.
Through above-mentioned technical scheme, the air pump filters the air through air filter at first, then carries five perforation air pipes with the air that purifies, carries out the waterfall oxygen to purification tank and purification tank.
Further, the internal circulation system comprises a water pipe, a water pump and an electromagnetic valve group, the electromagnetic valve group is installed on the water pipe and is at least provided with three parts, and the water pipe is provided with a water inlet pipe, a water outlet pipe and a branch water pipe communicated between the water inlet pipe and the water outlet pipe.
Through the technical scheme, the water pipe exchanges and purifies with the water of the artificial wetland, the water of the artificial wetland is pumped into the primary purification tank by the water pump, the water in the primary purification tank is filtered to the secondary purification tank through the filter plate under the action of gravity, the water in the secondary purification tank vertically flows back to the artificial wetland after being filtered, and the artificial wetland is circularly and repeatedly purified.
Furthermore, one end of the water inlet pipe is connected with a water source, the other end of the water inlet pipe is communicated with the primary purification tank, a water pump and a first electromagnetic valve are installed on the water inlet pipe, and the water pump is located at one end close to the primary purification tank; one end of the water outlet pipe is communicated with the secondary purification tank, the other end of the water outlet pipe is connected to the water body, and a third electromagnetic valve is installed on the water outlet pipe; the branch water pipe is provided with a second electromagnetic valve, one end of the branch water pipe is positioned between the water inlet pipe and the first electromagnetic valve, and the other end of the branch water pipe is positioned between the water outlet pipe and the third electromagnetic valve.
Through above-mentioned technical scheme, when quality of water does not reach standard, filter purification with sewage through the inner loop, utilize the water pipe, the cooperation between battery valves and the filter is handled sewage, just outwards begins the extrinsic cycle when according with the quality of water requirement.
Furthermore, the photovoltaic power supply control system comprises a solar photovoltaic panel, a controller and a water quality monitoring device, wherein the solar photovoltaic panel and the water quality monitoring device are connected with the controller, and the controller is respectively communicated with the water pump, the air pump and the electromagnetic valve group through electric connection.
Through the technical scheme, the sewage purification circulating device is adjusted and controlled by the controller, and meanwhile, the solar photovoltaic panel is adopted to fully utilize solar energy for power generation, so that power is provided for the controller, the waste of scarce resources is reduced, and the concept of energy conservation and environmental protection is met.
In conclusion, the beneficial effects of the utility model are as follows:
(1) the utility model can process sewage for many times, has high processing efficiency per unit area, less land resource occupation and strong purification capability and has very high practicability.
(2) The utility model can give full play to the production potential of resources, prevent the re-pollution of the environment, play an important role in the aspect of ecological environment protection and promote the virtuous cycle of the ecological environment.
(3) The utility model has remarkable ecological benefit and landscape benefit, wide adaptability and high practical value.
Drawings
FIG. 1 is a schematic structural diagram of the constructed wetland circulation purification of the embodiment;
FIG. 2 is a sectional view of the constructed wetland circulation purification A-A of the present embodiment;
FIG. 3 is a schematic view of the middle part of the external circulation device of the water circulation system of this embodiment;
FIG. 4 is a partial enlarged view of the insert plate filter device of the present embodiment;
fig. 5 is a schematic structural diagram of the photovoltaic power supply control system according to the embodiment.
In the figure: 11. a primary purification tank; 12. a secondary purification tank; 13. a pervious concrete layer; 14. a first layer of planting soil; 15. a second layer of planting soil; 16. a geotextile layer; 2. an inserting plate filtering device; 21. the filter plate can be replaced; 22. a stainless steel mesh; 23. filtering in a first layer; 24. filtering the second layer; 25. filtering in the third layer; 26. a rubber seal strip; 31. a solar photovoltaic panel; 32. a controller; 33. a water quality monitoring device; 41. a water inlet pipe; 42. a water outlet pipe; 43. a branched water pipe; 44. a water pump; 45. a first solenoid valve; 46. a second solenoid valve; 47. a third electromagnetic valve; 51. an air pump; 52. an air filtration device; 53. an air tube; 54. a perforated air tube.
Detailed Description
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following description taken in conjunction with the accompanying drawings.
It is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like as used herein, are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and therefore should not be considered limiting of the present invention. "plurality" means two or more unless otherwise specified.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Referring to fig. 1 to 3, in the present embodiment, a circulation purification artificial wetland comprises a filtration purification system, a photovoltaic power supply control system and a water circulation system, wherein the filtration purification system comprises a water storage tank and an insertion plate filter device 2, the insertion plate filter device 2 is installed between the water storage tank, the water storage tank is buried under a water body, the top of the water storage tank is connected with the photovoltaic power supply control system, the bottom of the water storage tank is connected with the water circulation system, and the photovoltaic power supply control system is connected with the water circulation system through an electric connection.
Specifically, the filtration and purification system of the utility model is provided with a primary purification tank 11 and a secondary purification tank 12 at the edge of the wetland, and is provided with a photovoltaic power supply control system and a water circulation system, wherein two circulation modes can be realized in the water circulation system through a water pump 44 and a valve bank: inner loop and extrinsic cycle, the inner loop is used for the quality of water to purify, the extrinsic cycle is used for exchanging the purification with constructed wetland's water, still is equipped with air pump 51 and pipeline, through perforation air pipe 54 to one-level purification tank 11 and second grade purification tank 12 waterfall oxygen, be equipped with removable filter plate 21 in the middle of one-level purification tank 11 and second grade purification tank 12, can filter quality of water, one-level purification tank 11 and second grade purification tank 12 are equipped with aquatic plant and plant the layer, can carry out ecological treatment to quality of water. The air pump 51, the water pump 44 and the valve set are controlled by the controller 32 to generate power through a solar photovoltaic power supply control system, and the energy-saving and environment-friendly concept is met.
In this embodiment, the tank includes one-level purification pond 11 and second grade purification pond 12, and at least two-layer planting soil has been laid to one-level purification pond 11 and second grade purification pond 12 bottom, and first layer planting soil 14 is coarse sand and fine soil, and second layer planting soil 15 is medical stone and grit, and still is provided with geotechnological cloth layer 16 between first layer planting soil 14 and the second layer planting soil 15.
Specifically, two layers of planting soil are paved at the bottoms of the first-stage purification tank 11 and the second-stage purification tank 12: coarse sand and fine soil are paved on the first layer of planting soil 14, substances with larger particles can be filtered, medical stones and gravels are paved on the second layer of planting soil 15, impurities in water can be adsorbed, an earthwork cloth layer 16 is paved between the two layers of planting soil, and water filtered by the first layer of planting soil 14 can permeate into the second layer of planting soil 15 through the earthwork cloth layer 16 to be filtered again. And submerged plants with water purification function such as green algae can be cultivated in the primary purification tank 11, organic matters such as nitrobenzene, chlorophenol and bisphenol a can be degraded, emergent aquatic plants can be planted in the secondary purification tank 12, the emergent aquatic plants have oxygen transportation, release and diffusion effects, oxygen in the air is transported to roots, and then the oxygen is diffused through the roots of the plants, so that nitrification and denitrification reactions are facilitated, and the excessive accumulation effect of microorganisms on phosphorus is achieved, and the effect of removing nitrogen and phosphorus is achieved.
In this embodiment, an insert plate filtering device 2 is arranged between the primary purification tank 11 and the secondary purification tank 12 for communication, the insert plate filtering device 2 includes a replaceable filter plate 21 and rubber sealing strips 26, the rubber sealing strips 26 are wound around four sides of the replaceable filter plate 21, and the replaceable filter plate 21 includes three layers of filter layers which are sequentially stacked and stainless steel nets 22 which are symmetrically distributed on the filter layers.
Specifically, a water pump 44 is installed below the primary purification tank 11 and the secondary purification tank 12, a first electromagnetic valve 45 and a third electromagnetic valve 47 are opened, the water pump 44 pumps water of the artificial wetland into the primary purification tank 11, an inserting plate filtering device 2 is arranged between the primary purification tank 11 and the secondary purification tank 12, the inserting plate filtering device 2 is composed of a replaceable filter plate 21 and a rubber sealing strip 26, the replaceable filter plate is composed of a stainless steel net 22 and three filter layers, a geotechnical cloth layer 16 and coarse sand are used for the first layer filtering 23, zeolite is used for the second layer filtering 24, and activated carbon and a geotechnical cloth layer 16 are used for the third layer filtering 25. The geotextile layer 16 and the coarse sand have the functions of filtering larger impurities and microorganisms in water and performing primary filtration, the zeolite structures are connected together like a scaffold by molecules, a plurality of cavities are formed in the middle, a plurality of water molecules exist in the cavities, water can be discharged when high temperature is met, the crystal structure in the zeolite cannot be damaged, and the water or the other materials can be absorbed again. Therefore, zeolite is commonly used as an adsorbent and a desiccant, and in this embodiment, zeolite is used to adsorb impurities in water to further purify water source, and activated carbon has a similar function to zeolite, and the surface of activated carbon is located with a large number of pores to adsorb impurities in water, which is a material commonly used to purify water source. In the embodiment, the stainless steel net 22 is further adopted, and the stainless steel net 22 can block part of impurities on one hand, and can corrode in water to generate rust on the other hand, so that the water body is polluted.
Referring to fig. 4, in the present embodiment, the water circulation system is divided into an external circulation system and an internal circulation system, the external circulation system includes an air pump 51 and an air pipe 53, the air pump 51 is installed on the air pipe 53, an air filtering device 52 is installed on the top end of the air pipe 53, the bottom end of the air pipe 53 is communicated with a perforated air pipe 54, a plurality of air vents are uniformly arranged on the outer side of the perforated air pipe 54, at least five perforated air pipes 54 are arranged, and the perforated air pipes are distributed in the pervious concrete layer 13 in parallel.
Specifically, a pervious concrete layer 13 is laid at the junction of the primary purification tank 11 and the secondary purification tank 12 and the water body, an air pump 51 connected with an air pipe 53 is installed above the pervious concrete layer 13, air entering the air pump 51 is firstly filtered by an air filtering device 52, the purified air is conveyed to five perforated air pipes 54, and the primary purification tank 11 and the secondary purification tank 12 are subjected to oxygen cascade. Because of the concrete layer 13 that permeates water is crude in surface, the in-process fungus membrane of waterfall oxygen can adhere to on it, and the fungus membrane can purify water quality, is favorable to vegetation, has the space in the concrete layer 13 structure that permeates water simultaneously, just so can carry oxygen in the pond, provides oxygen for the plant of bottom to provide a good living environment for biological purification.
Referring to fig. 5, in the present embodiment, the photovoltaic power supply control system includes a solar photovoltaic panel 31, a controller 32 and a water quality monitoring device 33, the solar photovoltaic panel 31 and the water quality monitoring device 33 are connected to the controller 32, and the controller 32 is respectively communicated with the water pump 44, the air pump 51 and the electromagnetic valve set through electrical connection.
Specifically, a solar photovoltaic power supply control system is adopted for supplying power, and the polycrystalline silicon solar photovoltaic panel 31 is used for storing energy and converting the energy into power, so that energy is provided for the water pump 44, the air pump 51, the water quality monitoring device 33 and the electromagnetic valve bank, the consumption of resources is reduced, green clean energy is used, and the environment-friendly concept is achieved. And meanwhile, when the water quality monitoring device 33 monitors that the water quality of the artificial wetland meets the requirement, the water circulation system starts to circulate externally to exchange and purify the water with the water of the artificial wetland, the first electromagnetic valve 45 and the third electromagnetic valve 47 are opened, the second electromagnetic valve 46 is closed, the water of the artificial wetland is pumped into the primary purification tank 11 by using the water pump 44, the water in the primary purification tank 11 is filtered to the secondary purification tank 12 through the filter plate under the action of gravity, the water in the secondary purification tank 12 vertically flows back to the artificial wetland through the filtering, and the circulation is repeated in this way to purify the artificial wetland. When the water quality monitoring device 33 monitors that the water quality of the artificial wetland is polluted, internal circulation is started, the first electromagnetic valve 45 and the third electromagnetic valve 47 are closed, the second electromagnetic valve 46 is opened, water circularly flows between the primary purification tank 11 and the secondary purification tank 12, and the external circulation mode is started when the water quality purified by the internal circulation reaches the standard when the water quality monitoring device 33 monitors the water quality.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and any insubstantial changes and modifications made by those skilled in the art based on the present invention are within the scope of the present invention.

Claims (8)

1. The utility model provides a circulation purifies constructed wetland, includes filtration clean system, photovoltaic power supply control system and water circulating system, its characterized in that: filtration purification system includes tank and picture peg filter equipment (2), and picture peg filter equipment (2) are installed between the tank, and the tank buries under the water and the top is connected photovoltaic power supply control system, and the bottom of tank is connected with water circulating system, and photovoltaic power supply control system connects water circulating system through the electricity.
2. The circulation purification artificial wetland according to claim 1, characterized in that: the water storage tank comprises a primary purification tank (11) and a secondary purification tank (12), at least two layers of planting soil are paved at the bottoms of the primary purification tank (11) and the secondary purification tank (12), and a geotextile layer (16) is arranged between the first layer planting soil (14) and the second layer planting soil (15).
3. The circulation purification artificial wetland according to claim 2, wherein: be equipped with picture peg filter equipment (2) intercommunication between one-level purification pond (11) and second grade purification pond (12), picture peg filter equipment (2) are including removable filter plate (21) and rubber seal strip (26), and rubber seal strip (26) winding is in four sides of removable filter plate (21), and removable filter plate (21) are including three-layer filter layer and the stainless steel net (22) of symmetric distribution on the filter layer that superposes in proper order.
4. The circulation purification artificial wetland according to claim 3, wherein: a pervious concrete layer (13) is laid at the junction of the primary purification tank (11) and the secondary purification tank (12) and the water body, one side of the pervious concrete layer (13) facing the water body is a rough surface, and the top of the pervious concrete layer (13) is connected with a water circulation system.
5. The circulation purification artificial wetland according to claim 4, wherein: the water circulation system is divided into an outer circulation system and an inner circulation system, the outer circulation system comprises an air pump (51) and an air pipe (53), the air pump (51) is installed on the air pipe (53), an air filtering device (52) is installed on the top end of the air pipe (53), the bottom end of the air pipe (53) is communicated with a perforated air pipe (54), a plurality of air holes are uniformly formed in the outer side of the perforated air pipe (54), at least five perforated air pipes (54) are arranged, and the perforated air pipes are distributed in the pervious concrete layer (13) in parallel.
6. The circulation purification artificial wetland according to claim 5, wherein: the internal circulation system is including water pipe, water pump (44) and electromagnetism valves, and the electromagnetism valves is installed on the water pipe and is provided with threely at least, and the water pipe is provided with inlet tube (41) and outlet pipe (42) and communicates branch water pipe (43) between inlet tube (41) and outlet pipe (42).
7. The circulation purification artificial wetland according to claim 6, wherein: one end of the water inlet pipe (41) is connected with a water source, the other end of the water inlet pipe is communicated with the primary purification tank (11), a water pump and a first electromagnetic valve (45) are installed on the water inlet pipe (41), and the water pump (44) is located at one end close to the primary purification tank (11); one end of the water outlet pipe (42) is communicated with the secondary purification tank (12), the other end of the water outlet pipe is connected with a water body, and a third electromagnetic valve (47) is arranged on the water outlet pipe (42); the branch water pipe (43) is provided with a second electromagnetic valve (46), one end of the branch water pipe (43) is positioned between the water inlet pipe (41) and the first electromagnetic valve (45), and the other end of the branch water pipe is positioned between the water outlet pipe (42) and the third electromagnetic valve (47).
8. The circulation purification artificial wetland according to claim 1, characterized in that: the photovoltaic power supply control system comprises a solar photovoltaic panel (31), a controller (32) and a water quality monitoring device (33), wherein the solar photovoltaic panel (31) and the water quality monitoring device (33) are connected with the controller (32), and the controller (32) is respectively communicated with a water pump (44), an air pump (51) and an electromagnetic valve group through electric connection.
CN202123265407.1U 2021-12-23 2021-12-23 Circulation purifies constructed wetland Active CN216808497U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123265407.1U CN216808497U (en) 2021-12-23 2021-12-23 Circulation purifies constructed wetland

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123265407.1U CN216808497U (en) 2021-12-23 2021-12-23 Circulation purifies constructed wetland

Publications (1)

Publication Number Publication Date
CN216808497U true CN216808497U (en) 2022-06-24

Family

ID=82056549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123265407.1U Active CN216808497U (en) 2021-12-23 2021-12-23 Circulation purifies constructed wetland

Country Status (1)

Country Link
CN (1) CN216808497U (en)

Similar Documents

Publication Publication Date Title
CN102491594B (en) Multifunctional stereo comprehensive treatment and recycling system for urban sewage
CN108503136B (en) River channel treatment system
CN201942568U (en) Biochemical membrane automatic aeration vertical subsurface flow constructed wetland sewage treatment device
CN105800771B (en) Biological filter wall system
CN112939381A (en) Multi-efficiency combined biological filter
CN107364973B (en) Sewage treatment system, application thereof and sewage treatment method
CN108862846A (en) A kind of method of urban rainwater management and processing
CN108793609A (en) The method of urban rainwater management and processing
CN205892991U (en) Biological ecology water treatment facilities
CN209872675U (en) Rural small-size domestic sewage is collected, is handled, retrieval and utilization integration system
CN209853937U (en) High-load nitrogen and phosphorus removal constructed wetland sewage purification system
CN216808497U (en) Circulation purifies constructed wetland
CN215049509U (en) Multi-efficiency combined biological filter
CN215886703U (en) Single household type device suitable for rural domestic sewage treatment
CN206395931U (en) A kind of horizontal flow artificial wetland matrix structure system
CN108439598A (en) Integrated sewage treating apparatus
CN112723664B (en) Biological and ecological combined sewage treatment system and sewage treatment method
CN211644786U (en) Biochemical wetland ecological purification system for new rural domestic sewage
CN212982578U (en) Integrated villages and towns sewage treatment system
CN214327275U (en) Modularized vertical-flow constructed wetland sewage plant tail water treatment device
CN210595462U (en) Double-chamber artificial rapid infiltration sewage purification system
CN210313934U (en) Distributed sewage treatment system of constructed wetland
CN211170301U (en) Ground-type domestic sewage treatment system
CN113998845A (en) Water body ecological restoration system
CN206219400U (en) A kind of water body purification system based on oyster shell carbon fiber artificial swamp

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant