CN216687631U - Multi-stage aeration wetland ecosystem applied to sewage treatment - Google Patents
Multi-stage aeration wetland ecosystem applied to sewage treatment Download PDFInfo
- Publication number
- CN216687631U CN216687631U CN202220118801.8U CN202220118801U CN216687631U CN 216687631 U CN216687631 U CN 216687631U CN 202220118801 U CN202220118801 U CN 202220118801U CN 216687631 U CN216687631 U CN 216687631U
- Authority
- CN
- China
- Prior art keywords
- aeration
- pipe
- artificial wetland
- ditch
- bed body
- 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
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a multistage aeration wetland ecosystem applied to sewage treatment, which belongs to the technical field of sewage treatment and comprises a plurality of aeration ditches and an artificial wetland bed body adjacent to the aeration ditches, wherein the aeration ditches are arranged on one side of the artificial wetland bed body and are connected with aeration components; the aeration ditches and the artificial wetland bed body are connected through a water delivery assembly, and the water delivery assembly is used for injecting water into the aeration ditches and discharging the sewage after aeration into the artificial wetland bed body to form underflow; the plurality of artificial wetland beds are all connected through the water delivery assembly, and the artificial wetland beds are filled with matrix fillers and planted with plants. The aeration component aerates and oxygenizes the sewage in the aeration ditch, the oxygenated sewage enters the artificial wetland bed body through the water delivery component for purification, then enters the other aeration ditch for oxygenation and then enters the next artificial wetland bed body, and aeration, oxygenation and purification are carried out circularly. The utility model improves the dissolved oxygen content of the constructed wetland, strengthens the nitrification and denitrification effect and improves the decontamination and purification capability.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a multi-stage aeration wetland ecosystem applied to sewage treatment.
Background
At present, water pollution is serious in China, the water environment condition is not optimistic, and the water pollution remediation faces huge challenges. The artificial wetland technology realizes the purification of the water body by simulating the natural wetland and using the comprehensive actions of adsorption and filtration of the matrix, absorption, fixation, transformation and metabolism of plants, decomposition, utilization, dissimilation and the like of microorganisms, is a direct treatment and advanced treatment technology for polluted water bodies, and has very wide prospect. The oxygen increasing of the artificial wetland mainly depends on the contact of the upper part of the artificial wetland with air and the oxygen increasing action of plants to provide oxygen so as to promote the metabolism and the decomposition of pollutants of aerobic and anoxic microorganisms attached around the substrate and the root system, and the oxygen increasing effect of the mode is limited, so that the dissolved oxygen in the artificial wetland is insufficient, and the removal efficiency of the artificial wetland is limited to a certain extent.
At present, the method for solving the technical problem is to install aeration equipment at the bottom of the constructed wetland substrate, but the mode easily causes the blockage of equipment such as an aeration pipe or an aeration disc and the like to influence the aeration and oxygenation effects, and is inconvenient to maintain and manage. Therefore, a multistage aeration wetland ecosystem applied to sewage treatment is developed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a multistage aeration wetland ecosystem applied to sewage treatment, which can effectively improve the dissolved oxygen content in the wetland, strengthen the nitrification and denitrification functions of an artificial wetland system and obviously improve the purification and removal effects of pollutants such as COD, nitrogen, phosphorus and the like in the sewage by the wetland system.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a multistage aeration wetland ecosystem applied to sewage treatment comprises a plurality of aeration grooves and an artificial wetland bed body adjacent to the aeration grooves, wherein the aeration grooves are arranged on one side of the artificial wetland bed body and are connected with aeration components for aeration and oxygenation of sewage in the aeration grooves; the aeration ditches and the artificial wetland bed body are connected through water delivery assemblies, and the water delivery assemblies are used for injecting water into the aeration ditches and discharging the aerated sewage into the artificial wetland bed body to form undercurrent; the plurality of artificial wetland bed bodies are connected through the water delivery assembly and are used for enabling sewage to sequentially enter and exit the plurality of artificial wetland bed bodies; and a matrix filler is filled in the artificial wetland bed body, and plants are planted in the matrix filler.
Preferably, the aeration ditch is correspondingly arranged on the left side of the artificial wetland bed body, the liquid level in the aeration ditch is higher than that in the artificial wetland bed body, the artificial wetland bed body and the aeration ditch are formed by enclosing a bottom plate and retaining walls around the bottom plate, the aeration ditch and the adjacent artificial wetland bed body share one retaining wall, a water inlet main pipe of the water delivery assembly is arranged on the retaining wall of the first aeration ditch on the left side, the outlet of the water inlet main pipe faces the aeration ditch, a water outlet main pipe of the water delivery assembly is arranged on the retaining wall of the terminal aeration ditch on the right side, and the inlet of the water outlet main pipe is arranged at the bottom of the aeration ditch; the liquid level height in the bed bodies of the plurality of artificial wetland is reduced from left to right in turn.
Preferably, the water delivery assembly comprises a water inlet main pipe, a water outlet main pipe and a plurality of sets of water inlet and outlet external members, and the plurality of sets of water inlet and outlet external members are arranged at the retaining walls at the two sides of the artificial wetland bed body and are used for delivering the sewage in the left aeration ditch to the matrix filler in the artificial wetland bed body to form undercurrent and delivering the undercurrent to the right aeration ditch of the artificial wetland bed body.
Preferably, the water inlet and outlet kit comprises a water inlet pipe, a water distribution pipe, a water collecting pipe and a water outlet pipe, wherein the water inlet pipe penetrates through the upper part of a retaining wall between the aeration ditch and the artificial wetland bed body, the inlet of the water inlet pipe is arranged below the liquid level in the aeration ditch, the water distribution pipe is connected with the water inlet pipe and is horizontally embedded under the liquid level of the artificial wetland bed body, and the side wall of the water distribution pipe is provided with a plurality of water outlet holes; the utility model discloses a keep-off wall, including the barricade, the barricade is equipped with the inlet opening, the collector pipe level is buried underground in the matrix filler bottom of barricade inboard, the one end and the collector pipe intercommunication of outlet pipe, the other end upwards run through the barricade after bending and extend to the ditch of aerating, be equipped with a plurality of inlet opening on the lateral wall of collector pipe.
Preferably, the aeration subassembly includes aeration machine, intake pipe and aeration pipe, the gas outlet of aeration machine links to each other with the intake pipe, the aeration pipe is laid in the aeration ditch for many, and one-to-one, and many aeration pipes connect in parallel in the intake pipe, the aeration pipe sets up in the bottom of aeration ditch, the aeration pipe is equipped with a plurality of venthole for aeration oxygenation in to the aeration ditch in the sewage.
Preferably, the aeration ditch is rectangular, the aeration pipe is laid along the length direction of the aeration ditch, a plurality of aeration discs with air outlets are arranged on the aeration pipe at intervals, the aeration discs are in threaded connection with the aeration pipe, and an interface matched with the aeration discs is arranged on the aeration pipe.
Preferably, the retaining wall is an M7.5 grouted red brick wall, and the bottom plate is a C15 concrete cushion; the surface of barricade is equipped with the surface course, the surface course adopts M10 cement mortar to wipe one's face and forms.
Preferably, the depth of the matrix filler is 0.4m to 1.6 m; the thickness of C15 concrete cushion is 100mm, the thickness of surface course is 20 mm.
Preferably, the matrix filler is one or a mixture of quartz sand, ceramsite and zeolite with the particle size of 0.2mm-50 mm.
Preferably, the plant is at least one of canna, saxifrage, thalictrum ramosissimum, reed, arundo, cattail and cane shoots.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the aeration assembly is used for aerating and oxygenating the sewage in the aeration ditch, the oxygenated sewage enters the artificial wetland bed bodies through the water delivery assembly, and the plurality of artificial wetland bed bodies are sequentially connected through the water delivery assembly, so that the aerated and oxygenated sewage can enter the artificial wetland bed bodies for purification and then enter another aeration ditch for aeration and oxygenation and then enter the next artificial wetland bed body for circular aeration, oxygenation and purification. The utility model solves the problem of insufficient dissolved oxygen in the sewage of the conventional constructed wetland, strengthens the nitrification and denitrification effect of the constructed wetland system, improves the decontamination and purification capacity of the constructed wetland, has good operability and practicability, and has the advantages of stable operation, convenient management, attractive appearance, practicability and the like. The utility model is especially suitable for treating the domestic sewage in cities and towns and rural areas, the tail water of sewage treatment plants, the industrial wastewater in food processing industry, slaughtering industry and the like.
Drawings
FIG. 1 is a front view of a multi-stage aeration wetland ecosystem for sewage treatment according to an embodiment of the utility model;
FIG. 2 is a top view of the multi-stage aerated wetland ecosystem in an embodiment of the utility model;
in the figure: 1. a water inlet main pipe; 2. an aeration disc; 3. a water distribution pipe; 4. retaining walls; 5. a surface layer; 6. a plant; 7. a constructed wetland bed body; 8. an aeration component, 81 aeration pipes; 81. an air inlet pipe 82 and an aeration pipe; 9. a water collection pipe; 10. a water outlet pipe; 11. an aerator; 12. a base plate; 13. an aeration ditch; 14. a water inlet pipe; 15. and (4) a water outlet main pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The utility model provides a multistage aeration wetland ecosystem applied to sewage treatment, which comprises a plurality of aeration channels 13 and an artificial wetland bed body 7 adjacent to the aeration channels 13, wherein the aeration channels 13 are arranged on one side of the artificial wetland bed body 7, and the aeration channels 13 are connected with aeration components 8 and used for aerating and oxygenating sewage in the aeration channels 13; the aeration ditches 13 and the artificial wetland bed body 7 are connected through a water delivery assembly, and the water delivery assembly is used for injecting water into the aeration ditches 13 and discharging the aerated sewage into the artificial wetland bed body 7 to form underflow; the plurality of artificial wetland bed bodies 7 are connected through a water conveying assembly and are used for enabling sewage to sequentially enter and exit the plurality of artificial wetland bed bodies 7; and a substrate filler is filled in the artificial wetland bed body 7, and plants 6 are planted in the substrate filler. The sewage enters the aeration ditch through the water delivery assembly, fully aerates and aerates, then flows into the artificial wetland bed unit, better realizes metabolism, absorption and decomposition of various microorganisms such as aerobic, anoxic and anaerobic microorganisms, and the like, and in addition, the substrate filler of the artificial wetland is filtered and adsorbed, and plants are absorbed, fixed and transformed, and then flows out of the artificial wetland after continuous multi-stage treatment, thereby strengthening the nitrification and denitrification of the multi-stage aeration wetland ecosystem and obviously improving the sewage purification effect of the artificial wetland.
In one embodiment of the utility model, as shown in fig. 1 and 2, the aeration channel 13 is correspondingly arranged on the left side of the artificial wetland bed 7, the liquid level in the aeration channel 13 is higher than that in the artificial wetland bed 7, both the artificial wetland bed 7 and the aeration channel 13 are formed by enclosing a bottom plate 12 and retaining walls 4 around the bottom plate, the aeration channel 13 and the adjacent artificial wetland bed 7 share one retaining wall 4, the water inlet main pipe 1 of the water delivery assembly is arranged on the retaining wall 4 of the first aeration channel on the left side, the outlet of the water inlet main pipe 1 faces the aeration channel 13, the water outlet main pipe 15 of the water delivery assembly is arranged on the retaining wall 4 of the aeration channel 13 at the tail end on the right side, and the inlet of the water outlet main pipe 15 is arranged at the bottom of the aeration channel 13; the liquid level heights in the plurality of artificial wetland beds 7 are reduced from left to right in turn. By adopting the structure, the sewage can be automatically discharged from the artificial wetland bed body from the leftmost end to the rightmost end from high to low without an external power source. The structure is simple and compact, the design is reasonable, and the manufacture is convenient.
In an embodiment of the utility model, as shown in fig. 1 and 2, the water delivery assembly comprises a water inlet main pipe 1, a water outlet main pipe 15 and a plurality of sets of water inlet and outlet external members, which are arranged at the retaining walls 4 at the two sides of the artificial wetland bed 7 and are used for delivering the sewage in the left aeration channel 13 to the matrix filler in the artificial wetland bed 7 to form a subsurface flow and delivering the subsurface flow to the right aeration channel 13 of the artificial wetland bed 7. The water inlet and outlet kit comprises a water inlet pipe 14, a water distribution pipe 3, a water collecting pipe 9 and a water outlet pipe 10, wherein the water inlet pipe 14 penetrates through the upper part of a retaining wall 4 between an aeration ditch 13 and an artificial wetland bed 7, the inlet of the water inlet pipe 14 is arranged below the liquid level in the aeration ditch 13, the water distribution pipe 3 is connected with the water inlet pipe 14 and is horizontally embedded under the liquid level of the artificial wetland bed 7, and the side wall of the water distribution pipe 3 is provided with a plurality of water outlet holes; the utility model discloses a set of aeration ditch 13, including the barricade 4, the matrix filler bottom of barricade 4 inboard is buried underground to the collector pipe 9 level, the one end and the collector pipe 9 intercommunication of outlet pipe 10, the other end upwards and bend the back and run through barricade 4 and extend to, be equipped with a plurality of inlet opening on the lateral wall of collector pipe 9. The thick solid line arrow in fig. 2 shows the flow direction of sewage, after the sewage enters the aeration channel for aeration and oxygenation, the sewage flows into the matrix filler of the artificial wetland bed body uniformly through the water inlet pipe and the water distribution pipe, the sewage enters from the high position at the left side of the artificial wetland bed body, is purified by the matrix filler and then is collected from the water collecting pipe at the bottom to the water outlet pipe for discharge, so that the sewage can be fully contacted with the matrix filler, and the sewage is ensured to be fully purified.
As a preferable structure, as shown in fig. 2, the aeration assembly includes an aerator 11, an air inlet pipe 81 and aeration pipes 82, an air outlet of the aerator 11 is connected to the air inlet pipe 81, the aeration pipes 82 are multiple and are laid in the aeration ditch 13 in a one-to-one correspondence manner, the multiple aeration pipes 82 are connected in parallel to the air inlet pipe 81, the aeration pipes 82 are arranged at the bottom of the aeration ditch 13, and the aeration pipes 82 are provided with a plurality of air outlets for aerating and oxygenating the sewage in the aeration ditch 13. During the specific preparation, aeration ditch 13 is rectangular shape, and constructed wetland bed body 7 is the rectangle, aeration pipe 82 is laid along aeration ditch 13's length direction, the interval is equipped with a plurality of aeration dish 2 that have the venthole on the aeration pipe 82, aeration dish 2 and 8 threaded connection of aeration pipe, be equipped with on the aeration pipe 8 with aeration dish 2 complex interface. In addition, the aeration pipe can be replaced by a microporous aeration pipe.
In specific implementation, the retaining wall 4 is an M7.5 grouted red brick wall, the bottom plate 12 is a C15 concrete cushion layer, and the thickness of the bottom plate is 100 mm; the surface of barricade 4 is equipped with surface course 5, surface course 5 adopts M10 collector tube cement mortar to plaster and forms, and surface course thickness is 20 mm. In addition, the depth of the matrix filler is 0.4-1.6 m, and the filled matrix filler with various particle sizes is one or a mixture of quartz sand, ceramsite and zeolite with particle sizes of 0.2-50 mm. The stain-resistant wet or terrestrial plant 6 planted in the matrix filler is at least one of canna, saxifrage, thalictrum ramosissimum, reed, bamboo reed, calamus, cattail and cane shoot.
The aeration ditch in fig. 1 and 2 is divided into a first stage aeration ditch, a second stage aeration ditch, a third stage aeration ditch and the like, and can be expanded as required; in the same way, the artificial wetland bed body is divided into a first-stage artificial wetland bed body, a second-stage artificial wetland bed body, a third-stage artificial wetland bed body and the like, and the bed body can be expanded as required. Each stage of aeration ditch and the artificial wetland bed body form an artificial wetland unit, and the multistage artificial wetland units purify sewage in parallel. The specific application process is as follows:
sewage enters the first-stage aeration ditch through the water inlet main pipe, under the aeration and oxygenation effects of the aeration pipes, the oxygen content in the water body is increased, pollutants in the sewage are effectively degraded under the effect of aerobic microorganisms, and under the aerobic condition, nitrification is facilitated to be carried out, so that ammonia nitrogen substances in the sewage are converted into nitrate nitrogen; the sewage treated by the aeration channel aeration enters the artificial wetland bed body unit through the water distribution pipe, and the further removal of pollutants in the sewage can be realized under the comprehensive purification effects of substrate separation, microorganisms and plants on the pollutants. In addition, anaerobic and anoxic zones exist in the space of the substrate filler below the plant root system in the artificial wetland bed body, so that the denitrification can be well supported, nitrate nitrogen is effectively converted into nitrogen to be discharged, and the denitrification effect of the artificial wetland is enhanced. The sewage after the treatment of the first-stage artificial wetland flows into the second-stage aeration ditch and the second-stage artificial wetland bed body unit through the water outlet pipe to be purified again, so that the sewage after continuous multi-stage treatment is fully purified, and the removal effect of the artificial wetland system is greatly improved.
In conclusion, the artificial wetland sewage treatment system has the advantages of simple structure, reasonable design and good sewage purification effect, and by arranging the aeration grooves in the artificial wetland unit, after sewage is fully aerated and aerated through the aeration grooves, ammonia nitrogen substances in the sewage are effectively converted into nitrate nitrogen, and pollutants are primarily degraded; the sewage after primary treatment flows into the artificial wetland bed body again, and is subjected to metabolism, absorption and decomposition of aerobic, anoxic, anaerobic and other types of microorganisms in the artificial wetland bed body in the form of underflow, and the filtration, adsorption and absorption of matrix fillers and the absorption, fixation and transformation of hygrophytes, so that the removal of pollutants in the sewage is effectively promoted; the sewage treated by the artificial wetland system flows into the next stage aeration ditch system and the artificial wetland system, and then flows out after being circularly treated by the multistage aeration subsurface flow artificial wetland of the multistage aeration ditch, so that the nitrification and denitrification effects of the multistage aeration subsurface flow artificial wetland system of the ecological ditch are enhanced, and the purification and removal effects of pollutants such as COD, nitrogen, phosphorus and the like in the sewage by the system are obviously improved. The utility model is convenient to popularize and apply, has the advantages of stable operation, convenient management, attractive appearance, practicability and the like, and can be used for treating industrial wastewater of domestic sewage in cities and towns and rural areas, tail water upgrading of sewage treatment plants, food processing industry, slaughtering industry and the like.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a multistage aeration wetland ecosystem for sewage treatment which characterized in that: the aeration assembly is used for aerating and oxygenating sewage in the aeration channels; the aeration ditches and the artificial wetland bed body are connected through water conveying assemblies, and the water conveying assemblies are used for injecting water into the aeration ditches and discharging the sewage after aeration into the artificial wetland bed body; the plurality of artificial wetland bed bodies are connected through the water delivery assembly and are used for enabling sewage to sequentially enter and exit the plurality of artificial wetland bed bodies; and a matrix filler is filled in the artificial wetland bed body, and plants are planted in the matrix filler.
2. The multistage aerated wetland ecosystem for sewage treatment according to claim 1, wherein: the aeration ditch is correspondingly arranged on the left side of the artificial wetland bed body, the liquid level in the aeration ditch is higher than that in the artificial wetland bed body, the artificial wetland bed body and the aeration ditch are formed by surrounding a bottom plate and retaining walls around the bottom plate, the aeration ditch and an adjacent artificial wetland bed body share one retaining wall, a water inlet main pipe of the water delivery assembly is arranged on the retaining wall of a first aeration ditch on the left side, the outlet of the water inlet main pipe faces the inside of the aeration ditch, a water outlet main pipe of the water delivery assembly is arranged on the retaining wall of a terminal aeration ditch on the right side, and the inlet of the water outlet main pipe is arranged at the bottom of the aeration ditch; the liquid level height in the bed bodies of the plurality of artificial wetland is reduced from left to right in turn.
3. The multi-stage aerated wetland ecosystem for sewage treatment according to claim 2, wherein: the water delivery assembly comprises a water inlet main pipe, a water outlet main pipe and a plurality of sets of water inlet and outlet external members, wherein the plurality of sets of water inlet and outlet external members are arranged at the retaining walls at the two sides of the artificial wetland bed body and are used for conveying sewage in the left side aeration ditch to the matrix filler in the artificial wetland bed body to form undercurrent and conveying the undercurrent to the right side aeration ditch of the artificial wetland bed body.
4. The multi-stage aerated wetland ecosystem for sewage treatment according to claim 3, wherein: the water inlet and outlet external member comprises a water inlet pipe, a water distribution pipe, a water collecting pipe and a water outlet pipe, the water inlet pipe penetrates through the upper part of a retaining wall between the aeration ditch and the artificial wetland bed body, the inlet of the water inlet pipe is arranged below the liquid level in the aeration ditch, the water distribution pipe is connected with the water inlet pipe and is horizontally embedded under the liquid level of the artificial wetland bed body, and the side wall of the water distribution pipe is provided with a plurality of water outlet holes; the utility model discloses a keep-over wall, including the barricade, the barricade is equipped with a plurality of inlet opening, the collector pipe level is buried underground in the matrix filler bottom of barricade inboard, the one end of outlet pipe and collector pipe intercommunication, the other end upwards run through the barricade after bending and extend to the ditch of exposing to the air, be equipped with a plurality of inlet opening on the lateral wall of collector pipe.
5. The multi-stage aerated wetland ecosystem for sewage treatment according to claim 1, wherein: the aeration subassembly includes aeration machine, intake pipe and aeration pipe, the gas outlet of aeration machine links to each other with the intake pipe, the aeration pipe is many, and the one-to-one lays in the aeration ditch, and many aeration pipes connect in parallel in the intake pipe, the aeration pipe sets up in the bottom of aeration ditch, the aeration pipe is equipped with a plurality of venthole for aeration oxygenation in to the sewage in the aeration ditch.
6. The multi-stage aerated wetland ecosystem for sewage treatment according to claim 5, wherein: the aeration ditch is rectangular shape, the aeration pipe is laid along the length direction of aeration ditch, the interval is equipped with a plurality of aeration dishes that have the venthole on the aeration pipe, aeration dish and aeration pipe threaded connection, be equipped with on the aeration pipe with aeration dish complex interface.
7. The multi-stage aerated wetland ecosystem for sewage treatment according to claim 2, wherein: the retaining wall is an M7.5 grouted red brick wall, and the bottom plate is a C15 concrete cushion; the surface of barricade is equipped with the surface course, the surface course adopts M10 cement mortar to wipe one's face and forms.
8. The multi-stage aerated wetland ecosystem for sewage treatment according to claim 7, wherein: the depth of the matrix filler is 0.4m-1.6 m; the thickness of C15 concrete cushion is 100mm, the thickness of surface course is 20 mm.
9. The multi-stage aerated wetland ecosystem for sewage treatment according to claim 8, wherein: the matrix filler is quartz sand, ceramsite or zeolite with the particle size of 0.2mm-50 mm.
10. The multistage aerated wetland ecosystem for sewage treatment according to claim 1, wherein: the plant is at least one of canna, saxifrage, relish flower, reed, giant reed, calamus, cattail and cane shoot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220118801.8U CN216687631U (en) | 2022-01-17 | 2022-01-17 | Multi-stage aeration wetland ecosystem applied to sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220118801.8U CN216687631U (en) | 2022-01-17 | 2022-01-17 | Multi-stage aeration wetland ecosystem applied to sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216687631U true CN216687631U (en) | 2022-06-07 |
Family
ID=81821763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220118801.8U Active CN216687631U (en) | 2022-01-17 | 2022-01-17 | Multi-stage aeration wetland ecosystem applied to sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216687631U (en) |
-
2022
- 2022-01-17 CN CN202220118801.8U patent/CN216687631U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101519266B (en) | High-efficient denitrification and dephosphorization MBR process and device | |
| CN202594913U (en) | Turn back flow type landscape composite artificial wetland sewage treatment system | |
| CN102531187B (en) | Method for treating domestic wastewater with combined laminated vertical flow-horizontal subsurface flow wetland | |
| CN111204927A (en) | Ecological public toilet sewage treatment circulating system and sewage treatment and recycling method | |
| CN1884139A (en) | Vertical current and horizontal current integrated composite artificial wetland treatment method for treating urban sewage | |
| CN111170580A (en) | Sewage purification treatment system | |
| CN216687631U (en) | Multi-stage aeration wetland ecosystem applied to sewage treatment | |
| CN211896515U (en) | Artificial wetland system applied to super-limit purification treatment of low-concentration polluted water body | |
| CN112321097A (en) | High-efficient biological nitrogen and phosphorus removal sewage treatment plant | |
| CN106430857A (en) | Domestic wastewater purifying treatment system with wetland combination of biological membrane, aeration pipe and plant filter frame | |
| CN215712089U (en) | Composite wetland system suitable for non-point source pollution treatment | |
| CN101607775A (en) | Earthworm and ecological filter-denitrification bio-filter combined system is handled organic sewage technology | |
| CN212504215U (en) | Sewage treatment purifier | |
| CN201010564Y (en) | Landscape water body renovating biological treatment device | |
| CN212293198U (en) | Enhanced nitrogen and phosphorus removal constructed wetland system | |
| CN211546258U (en) | Combined sewage treatment equipment | |
| CN104556532A (en) | Artificial wetland purifying system | |
| CN1246233C (en) | Vertical deflector combined Filtration type dephosphorization and nitrogen rejection facility | |
| CN109111040B (en) | Efficient and stable domestic sewage ecological treatment device and operation method | |
| CN209619000U (en) | A kind of high strength domestic sewage processing unit | |
| CN203999265U (en) | The integrated restaurant wastewater treatment device of a kind of alternating current | |
| CN209226781U (en) | A kind of drowned flow artificial wet land device for sewage treatment | |
| CN113200605A (en) | Undercurrent wetland system suitable for low carbon nitrogen ratio sewage purification | |
| CN216687629U (en) | High-efficiency denitrification constructed wetland sewage treatment system | |
| CN201056521Y (en) | Novel quasi good oxygen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 1210/1212, 12 / F, building T6, Feiyang international, the intersection of Xicheng Avenue and Shiji Avenue, Lingui Town, Lingui District, Guilin City, Guangxi Zhuang Autonomous Region, 541000 Patentee after: Hengsheng water environment treatment Co.,Ltd. Address before: Room 1210/1212, 12 / F, building T6, Feiyang international, the intersection of Xicheng Avenue and Shiji Avenue, Lingui Town, Lingui District, Guilin City, Guangxi Zhuang Autonomous Region, 541000 Patentee before: GUANGXI HENGSHENG WATER ENVIRONMENT MANAGEMENT CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |