CN112661270A - Constructed wetland water distribution system - Google Patents
Constructed wetland water distribution system Download PDFInfo
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- CN112661270A CN112661270A CN202011405895.9A CN202011405895A CN112661270A CN 112661270 A CN112661270 A CN 112661270A CN 202011405895 A CN202011405895 A CN 202011405895A CN 112661270 A CN112661270 A CN 112661270A
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Abstract
The invention discloses an artificial wetland water distribution system, which relates to the technical field of artificial wetland sewage treatment and comprises a soil layer, a packing layer and a supporting layer, wherein the packing layer is positioned between the soil layer and the supporting layer, the soil layer is positioned on the ground surface, and one side of the packing layer is connected with a water collecting tank through a water outlet weir; and a water inlet pipe is arranged above the soil layer and communicated with an ascending perforated water distribution pipe and a descending perforated water distribution pipe. The invention achieves the uniform distribution of pollutants in the matrix by alternately using the ascending perforated water distribution pipe, the descending perforated water distribution pipe and the water distribution vertical pipe, avoids the occurrence of local blockage, and prolongs the service life of the artificial wetland.
Description
Technical Field
The invention relates to the technical field of artificial wetland sewage treatment, in particular to an artificial wetland water distribution system.
Background
With the development of modern industry and cities, the problem of water pollution is more and more emphasized by people, so that the sewage treatment level and the treatment rate must be improved as soon as possible. But the main factors which puzzle the development of the sewage treatment industry in China at present are funds and technology. Especially for small towns and rural areas which lack funds, how to solve domestic sewage is a more concern of people. The artificial wetland treatment technology is receiving increasing attention as a sewage treatment technology with low investment, low operation cost and low management requirements.
The artificial wetland can effectively remove various pollutants in the polluted water body, and has simple operation and management and low construction cost, so the artificial wetland is widely applied to the domestic sewage purification. The existing water distribution mode increases along with the use duration of the wetland, and a plurality of wetlands have the problem of blockage, so that the treatment effect is obviously reduced.
The patent CN102679518A discloses a water distribution system, which is arranged in an energy storage pool and mainly comprises a plurality of overflow type water distributors arranged at the top and the bottom of the pool and a plurality of separating vertical curtains for separating the pool in a small range; a flow equalizing baffle is arranged in the overflow water distributor. The flow equalizing baffle is arranged in the water distributor, so that the water distribution area is increased, the water flow velocity is reduced, and the water flow velocity is more uniform, so that the effect similar to static layering is realized by the pool water according to the water temperature; meanwhile, the water tank is divided into a plurality of small water distribution systems by the separating vertical curtains to form a honeycomb-like structure, so that the transverse interference of the water tank is greatly reduced, and meanwhile, the water in the water tank can be more finely controlled; the scheme reduces the thickness of the thermocline as much as possible, thereby greatly reducing the space requirement of the pool; the thickness of the thermocline can be compressed to 5-10 cm, so that the service efficiency of the energy storage pool is improved, the energy efficiency of an energy storage system is improved, and the effects of energy conservation and environmental protection are achieved. But still has the problem of wetland blockage.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides an artificial wetland water distribution system, which achieves uniform distribution of pollutants in a matrix by alternately using an upstream perforated water distribution pipe, a downstream perforated water distribution pipe and a water distribution vertical pipe, avoids local blockage, prolongs the service life of the artificial wetland, adopts wave flow water distribution, has longer hydraulic retention time, reduces a water distribution dead zone by an upper perforated folded plate and a lower perforated folded plate with different pore diameters, ensures that sewage is circularly treated to achieve better treatment efficiency, and has the advantages of good treatment effect, small occupied area, green ecology and small influence of seasons. To overcome the above technical problems of the related art.
The technical scheme of the invention is realized as follows:
a constructed wetland water distribution system comprises a soil layer, a packing layer and a supporting layer, wherein the packing layer is positioned between the soil layer and the supporting layer, the soil layer is positioned on the ground surface, and one side of the packing layer is connected with a water collecting tank through a water outlet weir;
a water inlet pipe is arranged above the soil layer, the water inlet pipe is communicated with an upstream perforated water distribution pipe and a downstream perforated water distribution pipe, the downstream perforated water distribution pipe is positioned above the soil layer, the upstream perforated water distribution pipe is positioned in the bearing layer, the upstream perforated water distribution pipe and the upstream perforated water distribution pipe are connected with a plurality of groups of water distribution vertical pipes, and a plurality of groups of water distribution holes are horizontally arranged on the upstream perforated water distribution pipe, the downstream perforated water distribution pipe and the water distribution vertical pipes;
the soil texture in situ is equipped with the perforation folded plate of multiunit overhead, overhead perforation folded plate bottom extends to in the filler layer, be equipped with multiunit lower perforation folded plate in the bearing layer, lower perforation folded plate top extends to in the filler layer, overhead perforation folded plate with be equipped with multiunit water distribution hole in the lower perforation folded plate.
Furthermore, a master control gate valve is arranged in the water inlet pipe, and flow valves are respectively arranged in the uplink perforated water distribution pipe and the downlink perforated water distribution pipe.
Furthermore, the upstream perforated water distribution pipe and the downstream perforated water distribution pipe are at least two groups, the diameter of the water distribution hole on the upstream perforated water distribution pipe is from large to small, and the upstream perforated water distribution pipe and the downstream perforated water distribution pipe are arranged in parallel.
Furthermore, the water distribution vertical pipes are at least three groups, the diameters of the water distribution holes of the middle group of water distribution vertical pipes are equal, and the diameters of the water distribution holes of the two sides of the water distribution vertical pipes are vertically arranged from small to large.
Furthermore, the diameters of the water distribution holes of the upper perforated folded plate are vertically arranged from small to large, and the diameters of the water distribution holes of the lower perforated folded plate are vertically arranged from large to small.
Further, the upper perforated flaps and the lower perforated flaps are staggered.
The invention has the beneficial effects that:
the invention achieves the uniform distribution of pollutants in the matrix by alternately using the ascending perforated water distribution pipe, the descending perforated water distribution pipe and the water distribution vertical pipe, avoids the occurrence of local blockage, and prolongs the service life of the artificial wetland.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an artificial wetland water distribution system according to an embodiment of the invention;
fig. 2 is a schematic view A-A of fig. 1 of an artificial wetland water distribution system according to an embodiment of the invention;
fig. 3 is a schematic diagram B-B of fig. 1 of an artificial wetland water distribution system according to an embodiment of the invention;
fig. 4 is a schematic view of fig. 1C-C of a constructed wetland water distribution system according to an embodiment of the invention;
fig. 5 is a schematic view of an upper perforated folded plate of an artificial wetland water distribution system according to an embodiment of the invention;
fig. 6 is a schematic view of the lower perforated folded plate of the constructed wetland water distribution system according to the embodiment of the invention.
In the figure:
1. a layer of earthen material; 2. a filler layer; 3. a support layer; 4. an effluent weir; 5. a water collecting tank; 6. a water inlet pipe; 7. a water distribution pipe with downward perforation; 8. an ascending perforated water distribution pipe; 9. a water distribution vertical pipe; 10. a perforated folded plate is arranged; 11. a perforated folded plate is arranged below; 12. a gate valve; 13. an ascending water distribution gate valve; 14. a descending water distribution gate valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
According to the embodiment of the invention, the water distribution system of the artificial wetland is provided.
As shown in fig. 1-6, the artificial wetland water distribution system according to the embodiment of the invention comprises an earthen layer 1, a filler layer 2 and a supporting layer 3, wherein the filler layer 2 is positioned between the earthen layer 1 and the supporting layer 3, the earthen layer 1 is positioned on the ground, and the artificial wetland water distribution system is characterized in that one side of the filler layer 2 is connected with a water collecting tank 5 through a water outlet weir 4;
a water inlet pipe 6 is arranged above the soil layer 1, the water inlet pipe 6 is communicated with a downlink perforated water distribution pipe 7 and an uplink perforated water distribution pipe 8, the downlink perforated water distribution pipe 7 is positioned above the soil layer 1, the uplink perforated water distribution pipe 8 is positioned in the supporting layer 3, the downlink perforated water distribution pipe 7 is connected with a plurality of groups of water distribution vertical pipes 9, and a plurality of groups of water distribution holes are arranged on the downlink perforated water distribution pipe 7, the uplink perforated water distribution pipe 8 and the water distribution vertical pipes 9;
the soil layer 1 is internally provided with a plurality of groups of upper perforated folded plates 10, the bottom ends of the upper perforated folded plates 10 extend into the packing layer 2, a plurality of groups of lower perforated folded plates 11 are arranged in the bearing layer 3, the top ends of the lower perforated folded plates 11 extend into the packing layer 2, and a plurality of groups of water distribution holes are arranged in the upper perforated folded plates 10 and the lower perforated folded plates 11.
Wherein, be equipped with total gate valve in the inlet tube 6, just be equipped with the flow valve respectively in perforation water distributor 7 down with the perforation water distributor 8 goes upward.
The water distribution holes on the descending perforated water distribution pipe 7 are from large to small, and the ascending perforated water distribution pipe 7 and the ascending perforated water distribution pipe 8 are arranged in parallel.
The water distribution vertical pipes 9 are at least three groups, the diameters of the water distribution holes of the middle group of water distribution vertical pipes 9 are equal, and the diameters of the water distribution holes of the two sides of the water distribution vertical pipes 9 are vertically arranged from small to large.
The diameters of the water distribution holes of the upper perforated folded plate 10 are vertically arranged from small to large, and the diameters of the water distribution holes of the lower perforated folded plate 11 are vertically arranged from large to small.
Wherein the upper perforated flaps 10 and the lower perforated flaps 11 are staggered.
By means of the scheme, pollutants are uniformly distributed in the matrix through the downward perforated water distribution pipe 7, the upward perforated water distribution pipe 8 and the water distribution vertical pipe 9 in an alternate mode, local blockage is avoided, the service life of the constructed wetland is prolonged, wave flow water distribution is adopted, the hydraulic retention time is longer, the dead zone of water distribution is reduced through the upper perforated folded plate 10 and the lower perforated folded plate 11 which are different in pore size, sewage is circularly treated to achieve better treatment efficiency, and the artificial wetland sewage treatment device has the advantages of being good in treatment effect, small in occupied area, green and ecological, and small in influence of seasons.
In addition, after the water distribution treatment of the sewage through the water inlet pipe 6 is completed, the water flows out of the water outlet weir 4 and enters the water collecting tank 5. The upward wave flow water distribution: and opening the master control gate valve 12 and the ascending gate valve 13, closing the descending gate valve 14, and enabling the sewage to enter the water distribution section through the ascending perforated water distribution pipe 8 and form wave flow through the lower perforated folded plate 11 and the upper perforated folded plate 10. The upward wave flow water distribution: and opening the master control gate valve 12 and the descending gate valve 14, closing the ascending gate valve 13, and enabling the sewage to enter the water distribution section through the descending perforated water distribution pipe 7 and form wave flow through the water distribution vertical pipe 9, the upper perforated folded plate 10 and the lower perforated folded plate 11.
Specifically, a bidirectional artificial wetland water distribution mode can be used simultaneously, so that sewage is circularly treated to achieve better treatment efficiency, the artificial wetland can be alternately used to achieve uniform distribution of pollutants in a matrix by bidirectional wave flow water distribution, the occurrence of local blockage is avoided, the service life of the artificial wetland is prolonged, an alternate aerobic-anoxic-anaerobic environment is provided for the ecological filter tank, the removal of organic matters in the sewage is facilitated, and the removal effect of nitrogen and phosphorus is enhanced.
In conclusion, by means of the technical scheme of the invention, pollutants are uniformly distributed in a matrix by alternately using the downward perforated water distribution pipes 7 and the upward perforated water distribution pipes 8, the occurrence of local blockage is avoided, the service life of the artificial wetland is prolonged, the bidirectional wave flow water distribution is adopted, the hydraulic retention time is longer, the water distribution dead zone is reduced by the upper perforated folded plate 10 and the lower perforated folded plate 11 with different pore diameters, the sewage is circularly treated to achieve better treatment efficiency, the invention has the advantages of good treatment effect, small occupied area, green ecology, small influence by seasons, longer wave flow type water inlet hydraulic retention time, higher relative hydraulic efficiency and larger advantage of the bidirectional wave flow water distribution on the sewage treatment of the artificial wetland.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A constructed wetland water distribution system comprises a soil layer (1), a packing layer (2) and a bearing layer (3), wherein the packing layer (2) is positioned between the soil layer (1) and the bearing layer (3), and the soil layer (1) is positioned on the ground surface, and is characterized in that one side of the packing layer (2) is connected with a water collecting tank (5) through a water outlet weir (4);
and a water inlet pipe (6), a gate valve (12), an ascending water distribution gate valve (13) and a descending water distribution gate valve (14) are arranged above the soil layer (1). The water inlet pipe (6) is communicated with a downward perforated water distribution pipe (7) and an upward perforated water distribution pipe (8), the downward perforated water distribution pipe (7) is positioned above the soil layer (1), the upward perforated water distribution pipe (8) is positioned in the bearing layer (3), the downward perforated water distribution pipe (7) is connected with a plurality of groups of water distribution vertical pipes (9), and the upward perforated water distribution pipe (7), the upward perforated water distribution pipe (8) and the water distribution vertical pipes (9) are respectively provided with a plurality of groups of water distribution holes;
be equipped with multiunit overhead perforation folded plate (10) in soil layer (1), overhead perforation folded plate (10) bottom extends to in packing layer (2), be equipped with multiunit lower perforation folded plate (11) in bearing layer (3), lower perforation folded plate (11) top extends to in packing layer (2), overhead perforation folded plate (10) with be equipped with multiunit water distribution hole in lower perforation folded plate (11).
2. The constructed wetland water distribution system according to claim 1, characterized in that a master control gate valve is arranged in the water inlet pipe (6), and flow valves are respectively arranged in the downgoing perforated water distribution pipe (7) and the upgoing perforated water distribution pipe (8).
3. The constructed wetland water distribution system according to claim 1, wherein the number of the downstream perforated water distribution pipes (7) and the upstream perforated water distribution pipes (8) is at least two, the diameters of the water distribution holes of the downstream perforated water distribution pipes (7) and the upstream perforated water distribution pipes (8) are reduced from large to small, and the upstream perforated water distribution pipes (7) and the downstream perforated water distribution pipes (8) are arranged in parallel.
4. The constructed wetland water distribution system according to claim 3, wherein the number of the water distribution vertical pipes (9) is at least three, the diameters of the water distribution holes of the middle group of the water distribution vertical pipes (9) are equal, and the diameters of the water distribution holes of the water distribution vertical pipes (9) on the two sides are vertically arranged from small to large.
5. The constructed wetland water distribution system according to claim 1, characterized in that the diameters of the water distribution holes of the upper perforated folded plate (10) are vertically arranged from small to large, and the diameters of the water distribution holes of the lower perforated folded plate (11) are vertically arranged from large to small.
6. The constructed wetland water distribution system of claim 5, characterized in that the upper perforated folded plate (10) and the lower perforated folded plate (11) are arranged in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011405895.9A CN112661270A (en) | 2020-12-02 | 2020-12-02 | Constructed wetland water distribution system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011405895.9A CN112661270A (en) | 2020-12-02 | 2020-12-02 | Constructed wetland water distribution system |
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| CN112661270A true CN112661270A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011405895.9A Pending CN112661270A (en) | 2020-12-02 | 2020-12-02 | Constructed wetland water distribution system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477415A (en) * | 2022-02-17 | 2022-05-13 | 西安建筑科技大学 | Process for synchronously removing ammonia nitrogen, iron and manganese in water by catalytic oxidation of bidirectional flow water inflow |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201842739U (en) * | 2010-11-12 | 2011-05-25 | 青岛理工大学 | Efficient water distribution and collection pipe network system for sewage land treatment process |
| CN103864216A (en) * | 2014-02-26 | 2014-06-18 | 天津大学 | Wavy subsurface-flow constructed wetland landscape water body treatment system and method |
| CN205472967U (en) * | 2016-03-30 | 2016-08-17 | 武汉紫光能控科技有限公司 | Constructed wetland sewage treatment system of intaking in turn from top to bottom |
| CN111559796A (en) * | 2020-03-24 | 2020-08-21 | 苏州金螳螂园林绿化景观有限公司 | Uniform water distribution system of subsurface flow constructed wetland |
-
2020
- 2020-12-02 CN CN202011405895.9A patent/CN112661270A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201842739U (en) * | 2010-11-12 | 2011-05-25 | 青岛理工大学 | Efficient water distribution and collection pipe network system for sewage land treatment process |
| CN103864216A (en) * | 2014-02-26 | 2014-06-18 | 天津大学 | Wavy subsurface-flow constructed wetland landscape water body treatment system and method |
| CN205472967U (en) * | 2016-03-30 | 2016-08-17 | 武汉紫光能控科技有限公司 | Constructed wetland sewage treatment system of intaking in turn from top to bottom |
| CN111559796A (en) * | 2020-03-24 | 2020-08-21 | 苏州金螳螂园林绿化景观有限公司 | Uniform water distribution system of subsurface flow constructed wetland |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477415A (en) * | 2022-02-17 | 2022-05-13 | 西安建筑科技大学 | Process for synchronously removing ammonia nitrogen, iron and manganese in water by catalytic oxidation of bidirectional flow water inflow |
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Application publication date: 20210416 |