CN216687629U - High-efficiency denitrification constructed wetland sewage treatment system - Google Patents
High-efficiency denitrification constructed wetland sewage treatment system Download PDFInfo
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- CN216687629U CN216687629U CN202220114095.XU CN202220114095U CN216687629U CN 216687629 U CN216687629 U CN 216687629U CN 202220114095 U CN202220114095 U CN 202220114095U CN 216687629 U CN216687629 U CN 216687629U
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- 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
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Abstract
The utility model discloses a high-efficiency denitrification constructed wetland sewage treatment system, which belongs to the technical field of sewage treatment and comprises an constructed wetland bed body, wherein a matrix filler is contained in the constructed wetland bed body, one end of the constructed wetland bed body is provided with a water inlet component, the other end of the constructed wetland bed body is provided with a water outlet component, and an isolation component is arranged in the matrix filler and is used for isolating the matrix filler into a multi-stage wetland and enabling sewage to form underflow in the matrix filler; the aeration component is used for increasing oxygen in the sewage flowing through the matrix filler; the substrate filler is internally planted with hygrophytes. According to the utility model, the substrate filler can be isolated into the multi-stage wetland by vertically arranging the isolation assembly in the substrate filler, so that sewage forms undercurrent in the substrate filler, the aeration assembly is utilized to enrich the oxygen in the sewage flowing through the substrate filler, the aerobic and anaerobic processes of the aerated artificial wetland are enhanced, the denitrification effect of the nitrification and denitrification of the artificial wetland system is obviously enhanced, the efficient removal of pollutants is realized, and the purification capacity of the artificial wetland system is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a high-efficiency denitrification constructed wetland sewage treatment system.
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 is a direct treatment and advanced treatment technology for polluted water by simulating natural wetland, and has very wide prospect. The denitrification effect of the traditional artificial wetland technology is not ideal all the time, and the popularization of the artificial wetland is restricted to a certain extent. Therefore, the utility model provides a high-efficiency denitrification constructed wetland sewage treatment system to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an efficient denitrification constructed wetland sewage treatment system, and aims to solve the technical problem of poor denitrification effect in wetland sewage treatment in the prior art.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
an efficient denitrification constructed wetland sewage treatment system comprises an aeration assembly and an constructed wetland bed body containing a substrate filler, wherein one end of the constructed wetland bed body is provided with a water inlet assembly, the other end of the constructed wetland bed body is provided with a water outlet assembly, and an isolation assembly is vertically arranged in the substrate filler and is used for isolating the substrate filler into a multi-stage wetland and enabling sewage to form underflow in the substrate filler; the aeration component is used for increasing oxygen in the sewage flowing through the matrix filler; the substrate filler is internally planted with hygrophytes.
Preferably, the constructed wetland bed body includes bottom plate and barricade all around, the isolation subassembly includes the division board that a plurality of interval set up side by side, and the crisscross setting of a plurality of division board height, the crisscross distance bottom plate of adjacent division board and matrix filler's liquid level between be equipped with the clearance for make the sewage of matrix filler of flowing through flow through the bottom and the top of adjacent division board in turn.
Preferably, the number of the partition plates is three, the partition plates are sequentially arranged in parallel from left to right as a first-stage partition plate, a second-stage partition plate and a third-stage partition plate, a gap is formed between the bottoms of the first-stage partition plate and the third-stage partition plate and the bottom plate, and the tops of the first-stage partition plate and the third-stage partition plate protrude out of the liquid level of the matrix filler; the top of the second-stage partition plate is lower than the liquid level of the matrix filler, and the bottom of the second-stage partition plate is abutted with the bottom plate; the three isolation plates are used for separating the artificial wetland bed into a first-stage wetland, a second-stage wetland, a third-stage wetland and a fourth-stage wetland.
Preferably, the water inlet assembly comprises a water inlet pipe and a water distribution pipe, the water inlet pipe is erected at the top of the left retaining wall, and the water distribution pipe is communicated with the water inlet pipe and embedded in the matrix filler on the inner side of the retaining wall; and a plurality of water outlet holes are formed in the side wall of the water distribution pipe.
Preferably, the water outlet assembly comprises a water collecting pipe and a water outlet pipe, the water collecting pipe is embedded in the matrix filler on the inner side of the retaining wall, one end of the water outlet pipe is communicated with the water collecting pipe, the other end of the water outlet pipe penetrates through the right retaining wall and extends to the outer side of the retaining wall, and a plurality of water inlet holes are formed in the side wall of the water collecting pipe.
Preferably, the aeration component comprises an aeration machine, an air inlet pipe and a microporous aeration pipe, the aeration machine is connected with the microporous aeration pipe through the air inlet pipe, and the side wall of the microporous aeration pipe is provided with a plurality of air outlets; the two microporous aeration pipes are connected in parallel on the air inlet pipe, one microporous aeration pipe is arranged in the water distribution pipe, and the other microporous aeration pipe is arranged at the top of the second-stage partition plate and below the liquid level of the matrix filler.
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 thickness of the C15 concrete cushion is 100mm, and the thickness of the surface layer is 20 mm; the thickness of the partition board is 25mm, and the distance between the bottoms of the first-stage partition board and the third-stage partition board and the bottom board and the height between the top of the second-stage partition board and the liquid level are both 100 mm.
Preferably, the matrix filler is quartz sand with a particle size of 0.2mm-50 mm.
Preferably, the hygrophyte is at least one of canna, saxifrage, thalictrum ramosissimum, reed, arundo donax, cattail and wild rice stem.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the utility model can isolate the matrix filler into the multi-stage wetland by vertically arranging the isolation component in the matrix filler, can form undercurrent in the matrix filler, utilizes the aeration component to enrich oxygen to the sewage flowing through the matrix filler, strengthens the aerobic and anaerobic processes of the aeration artificial wetland, obviously enhances the denitrification effect of the nitrification and denitrification of the artificial wetland system, thereby realizing the high-efficiency removal of pollutants and greatly improving the purification capacity of the artificial wetland system.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a front view of an efficient denitrification constructed wetland sewage treatment system provided by an embodiment of the utility model;
FIG. 2 is a top view of the artificial wetland bed in FIG. 1;
in the figure: 1. a water inlet pipe; 2. a water distribution pipe; 3. a microporous aeration pipe; 4. retaining walls; 5. a base plate; 6. a separator plate; 7. a matrix filler; 8. a water collection pipe; 9. a water outlet pipe; 10. a hygrophyte; 11. a surface layer; 12. an oxygen aeration machine, 13-an artificial wetland bed body, 14-an air inlet pipe; 71-a first-stage wetland, 72-a second-stage wetland, 73-a third-stage wetland and 74-a fourth-stage wetland.
Detailed Description
The technical solutions in the embodiments of the present invention are 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, the high-efficiency denitrification constructed wetland sewage treatment system provided by the utility model comprises an aeration assembly and an artificial wetland bed body 13 accommodating a substrate filler 7 therein, wherein one end of the artificial wetland bed body 13 is provided with a water inlet assembly, the other end of the artificial wetland bed body is provided with a water outlet assembly, and an isolation assembly is vertically arranged in the substrate filler 7 and is used for isolating the substrate filler 7 into a multi-stage wetland and enabling sewage to form an underflow in the substrate filler 7; the aeration component is used for increasing oxygen in the sewage flowing through the matrix filler 7, so that the aerobic and anaerobic processes of the aeration artificial wetland are enhanced, and the denitrification effect of the nitrification and denitrification of the artificial wetland system is obviously enhanced, thereby realizing the high-efficiency removal of pollutants and greatly improving the purification capacity of the artificial wetland system; the substrate filler 7 is planted with the hygrophytes 10. By adopting the scheme, the nitrogen in the sewage can be removed through three synergistic effects of plant absorption, microorganism accumulation, physical and chemical properties of matrix filler and the like.
In an embodiment of the utility model, as shown in fig. 1, the artificial wetland bed 13 comprises a bottom plate 5 and a retaining wall 4 around the bottom plate, the isolation assembly comprises a plurality of isolation plates 6 arranged in parallel at intervals, the isolation plates 6 are arranged in a staggered manner, and a gap is arranged between the staggered distance of the adjacent isolation plates 6 from the bottom plate 5 and the liquid level of the matrix filler 7, so that sewage flowing through the matrix filler 7 alternately flows through the bottom and the top of the adjacent isolation plates 6. During specific manufacturing, the bottom plate 5 and the retaining wall 4 are both made of waterproof materials, so that sewage can be prevented from overflowing. The division board in this structure adopts baffling formula design, can be in limited artifical wetland bed, and the increase sewage flows through length.
As shown in fig. 1 and 2, in a specific design, three partition plates 6 are provided, and are arranged in parallel as a first-stage partition plate 61, a second-stage partition plate 62 and a third-stage partition plate 63 from left to right, a gap is provided between the bottom of the first-stage partition plate 61 and the bottom of the third-stage partition plate 63 and the bottom plate 5, and the top of the first-stage partition plate 61 and the top of the third-stage partition plate 63 protrude out of the liquid level of the matrix filler 7; the top of the second-stage partition plate 62 is lower than the liquid level of the matrix filler 7, and the bottom of the second-stage partition plate 62 is abutted with the bottom plate 5; the three partition plates 6 are used for dividing the artificial wetland bed 13 into a first stage wetland 71, a second stage wetland 72, a third stage wetland 73 and a fourth stage wetland 74. The baffle plate with baffle plate design is adopted, so that sewage sequentially passes through the bottom of the first-stage partition plate, the top of the second-stage partition plate 62 and the bottom of the third-stage partition plate 63, the sewage flows up and down from left to right, and the path of the sewage in the artificial wetland bed body is prolonged.
In an embodiment of the present invention, as shown in fig. 2, the water inlet assembly includes a water inlet pipe 1 and a water distribution pipe 2, the water inlet pipe 1 is erected on the top of the left retaining wall 4, and the water distribution pipe 2 is communicated with the water inlet pipe 1 and embedded in a matrix filler 7 inside the retaining wall 4; and a plurality of water outlet holes are formed in the side wall of the water distribution pipe 2. In addition, the subassembly that goes out includes collector pipe 8 and outlet pipe 9, collector pipe 8 is buried underground in the matrix filler 7 of 4 insides of barricade, the one end and the collector pipe 8 intercommunication of outlet pipe 9, the other end run through right side barricade 4 and extend to the barricade outside, be equipped with a plurality of inlet opening on collector pipe 8's the lateral wall. By adopting the structure, sewage can uniformly enter the matrix filler, and the sewage flows back to flow through the matrix filler for purification treatment and then flows together to the water outlet pipe through the water collecting pipe to be discharged. The thick solid arrows in the figure indicate the sewage flow direction.
In one embodiment of the present invention, as shown in fig. 1, the aeration assembly includes an oxygen aeration machine 12, an air inlet pipe 14 and a microporous aeration pipe 3, the oxygen aeration machine 12 is connected to the microporous aeration pipe 3 through the air inlet pipe 14, and a plurality of air outlets are arranged on the side wall of the microporous aeration pipe 3; the two microporous aeration pipes 3 are connected in parallel to the air inlet pipe 14, one microporous aeration pipe 3 is arranged in the water distribution pipe 2, and the other microporous aeration pipe 3 is arranged at the top of the second-stage partition plate 62 and below the liquid level of the matrix filler 7. The sewage can be uniformly aerated and aerated into the sewage by the microporous aeration pipes 3 arranged in the water distribution pipes 2 and then enters the matrix filler, and the sewage flows through the first-stage wetland 71 and the second-stage wetland 72, then further aerated and aerated into the sewage by the microporous aeration pipes 3 at the top of the second-stage partition plate 62, then flows through the third-stage wetland 73 and the fourth-stage wetland 74, and finally is discharged out of the system, thereby realizing efficient sewage purification. This structure adopts exquisite trace oxygenation system design, when guaranteeing aeration oxygenation effect, compares with common aeration mode, can save material and space greatly, and power consumption is little, greatly reduced construction cost and operation cost.
During specific construction, the retaining wall 4 is an M7.5 grouted red brick wall, and the bottom plate 5 is a C15 concrete cushion; the surface of barricade 4 is equipped with surface course 11, surface course 11 adopts M10 cement mortar to wipe one's face and forms. The thickness of the C15 concrete cushion is 100mm, and the thickness of the surface layer 11 is 20 mm; the thickness of the isolation plate 6 is 25mm, the distance between the bottoms of the first-stage partition plate 61 and the third-stage partition plate 63 and the bottom plate 5 and the height between the top of the second-stage partition plate and the liquid level are both 100 mm; the matrix filler 7 is quartz sand with the particle size of 0.2mm-50 mm; the pipe diameter of the microporous aeration pipe 3 is 10 mm.
In specific implementation, the hygrophyte 10 is one or more of canna, saxifrage, thalictrum ramosissimum, reed, arum, cattail, cane shoots and the like.
The application process of the utility model is as follows: sewage enters a transverse water distribution pipe 2 through a water inlet pipe 1, is aerated and oxygenated through a microporous aeration pipe 3, is horizontally and uniformly distributed into an artificial wetland bed body 13 through water outlet holes in the water distribution pipe 2, and flows into a second-stage wetland 72 from the lower part of a first-stage partition plate 61 through a first-stage wetland 71 to complete the aerobic-anoxic-anaerobic reaction process; then the sewage passes through the microporous aeration pipe 3 at the top of the second-stage partition plate 62, flows into the third-stage wetland 73 after aeration and oxygenation are carried out again, flows into the fourth-stage wetland 74 from the lower part of the third-stage partition plate 63, carries out aerobic-anoxic-anaerobic reaction again, is collected to the water collecting pipe 8 and is discharged from the water outlet pipe 9, and efficient sewage purification is realized.
In conclusion, the utility model has the advantages of simple and compact structure and good denitrification effect, the baffle plate of the utility model adopts baffle plate type design and ingenious micro oxygen increasing design, thereby prolonging the path of sewage in the matrix filler, strengthening the aerobic and anaerobic processes of the aeration artificial wetland, and obviously enhancing the denitrification effect of the nitrification and denitrification of the artificial wetland system, thereby realizing the high-efficiency removal of pollutants and greatly improving the purification capacity of the artificial wetland system. On the premise of not increasing the occupied area of the artificial wetland bed body, the utility model prolongs the sewage path by the baffle-type designed isolation plate, saves the land and saves the investment; on the other hand, through in the water distribution pipe and the ingenious design of arranging micropore aeration pipe at second baffle top, through exquisite trace oxygenation design, when guaranteeing aeration oxygenation effect, compare with usual aeration mode, save material and space greatly, and power consumption is little, greatly reduced construction cost and operation cost, strengthen the effect of getting rid of nitrogen, sewage purification is effectual.
In the description above, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and thus the present invention is not limited to the specific embodiments disclosed above.
Claims (10)
1. The utility model provides a high-efficient denitrogenation constructed wetland sewage treatment system which characterized in that: the artificial wetland comprises an aeration component and an artificial wetland bed body containing a substrate filler, wherein one end of the artificial wetland bed body is provided with a water inlet component, the other end of the artificial wetland bed body is provided with a water outlet component, and an isolation component is vertically arranged in the substrate filler and is used for isolating the substrate filler into a multi-stage wetland and enabling sewage to form undercurrent in the substrate filler; the aeration component is used for increasing oxygen in the sewage flowing through the matrix filler; the substrate filler is internally planted with hygrophytes.
2. The high-efficiency denitrification constructed wetland sewage treatment system according to claim 1, characterized in that: the constructed wetland bed body includes bottom plate and barricade all around, the isolation subassembly includes the division board that a plurality of interval set up side by side, and the crisscross setting of a plurality of division board height is equipped with the clearance between the crisscross liquid level apart from bottom plate and matrix filler of adjacent division board for make the sewage of matrix filler of flowing through flow through the bottom and the top of adjacent division board in turn.
3. The high-efficiency denitrification constructed wetland sewage treatment system according to claim 2, characterized in that: the three partition plates are sequentially arranged from left to right in parallel as a first-stage partition plate, a second-stage partition plate and a third-stage partition plate, a gap is formed between the bottoms of the first-stage partition plate and the third-stage partition plate and the bottom plate, and the tops of the first-stage partition plate and the third-stage partition plate protrude out of the liquid level of the matrix filler; the top of the second-stage partition plate is lower than the liquid level of the matrix filler, and the bottom of the second-stage partition plate is abutted with the bottom plate; the three isolation plates are used for separating the artificial wetland bed into a first-stage wetland, a second-stage wetland, a third-stage wetland and a fourth-stage wetland.
4. The high-efficiency denitrification constructed wetland sewage treatment system according to claim 3, wherein: the water inlet assembly comprises a water inlet pipe and a water distribution pipe, the water inlet pipe is erected at the top of the left retaining wall, and the water distribution pipe is communicated with the water inlet pipe and embedded in the matrix filler on the inner side of the retaining wall; and a plurality of water outlet holes are formed in the side wall of the water distribution pipe.
5. The high-efficiency denitrification constructed wetland sewage treatment system according to claim 4, wherein: go out the water subassembly and include collector pipe and outlet pipe, the collector pipe is buried underground in the matrix filler of barricade inboard, the one end and the collector pipe intercommunication of outlet pipe, the other end run through the right side barricade and extend to the barricade outside, be equipped with a plurality of inlet opening on the lateral wall of collector pipe.
6. The high-efficiency denitrification constructed wetland sewage treatment system of claim 4, wherein: the aeration component comprises an aeration machine, an air inlet pipe and a microporous aeration pipe, the aeration machine is connected with the microporous aeration pipe through the air inlet pipe, and the side wall of the microporous aeration pipe is provided with a plurality of air outlets; the two microporous aeration pipes are connected in parallel on the air inlet pipe, one microporous aeration pipe is arranged in the water distribution pipe, and the other microporous aeration pipe is arranged at the top of the second-stage partition plate and below the liquid level of the matrix filler.
7. The high-efficiency denitrification constructed wetland sewage treatment system as recited in claim 3, 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 high-efficiency denitrification constructed wetland sewage treatment system according to claim 7, wherein: the thickness of the C15 concrete cushion is 100mm, and the thickness of the surface layer is 20 mm; the thickness of the partition board is 25mm, and the distance between the bottoms of the first-stage partition board and the third-stage partition board and the bottom board and the height between the top of the second-stage partition board and the liquid level are both 100 mm.
9. The high-efficiency denitrification constructed wetland sewage treatment system as recited in claim 1, wherein: the matrix filler is quartz sand with the particle size of 0.2mm-50 mm.
10. The high-efficiency denitrification constructed wetland sewage treatment system according to any one of claims 1 to 9, wherein: the hygrophyte is at least one of canna, saxifrage, religious flower, reed, giant reed, calamus, cattail and cane shoot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220114095.XU CN216687629U (en) | 2022-01-17 | 2022-01-17 | High-efficiency denitrification constructed wetland sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220114095.XU CN216687629U (en) | 2022-01-17 | 2022-01-17 | High-efficiency denitrification constructed wetland sewage treatment system |
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| Publication Number | Publication Date |
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| CN216687629U true CN216687629U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220114095.XU Active CN216687629U (en) | 2022-01-17 | 2022-01-17 | High-efficiency denitrification constructed wetland sewage treatment system |
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| CN (1) | CN216687629U (en) |
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- 2022-01-17 CN CN202220114095.XU patent/CN216687629U/en active Active
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| 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. |
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| CP01 | Change in the name or title of a patent holder | ||
| CB03 | Change of inventor or designer information |
Inventor after: Mo Hu Inventor after: Meng Zhensi Inventor after: Liu Liang Inventor after: Wang Junyi Inventor after: Qin Lanqian Inventor after: Tang Shiyu Inventor before: Mo Hu Inventor before: Meng Zhensi Inventor before: Liu Liang Inventor before: Wang Junyi Inventor before: Qin Lanqian Inventor before: Tang Shiyu |
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| CB03 | Change of inventor or designer information |