CN111559796A - Uniform water distribution system of subsurface flow constructed wetland - Google Patents
Uniform water distribution system of subsurface flow constructed wetland Download PDFInfo
- Publication number
- CN111559796A CN111559796A CN202010210675.4A CN202010210675A CN111559796A CN 111559796 A CN111559796 A CN 111559796A CN 202010210675 A CN202010210675 A CN 202010210675A CN 111559796 A CN111559796 A CN 111559796A
- Authority
- CN
- China
- Prior art keywords
- water distribution
- pipe
- water
- pipes
- distribution pipe
- 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.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention provides a uniform water distribution system of an undercurrent artificial wetland, which comprises a water distribution pipe, wherein the water distribution pipe is horizontally erected in a wetland filler layer, one end of the water distribution pipe is fixedly connected with a water inlet pipe, the water distribution pipe is provided with a plurality of upper water distribution pipes which are arranged in the vertical direction of the water distribution pipe and a plurality of lower water distribution pipes which are arranged in the horizontal direction of the water distribution pipe, the upper water distribution pipes are arranged in parallel along the axial direction of the water distribution pipe and comprise a water delivery part and a water distribution part, the structure of the upper water distribution pipes is T-shaped, the water delivery part is vertical to the water distribution pipe, the water distribution part is provided with upper water distribution holes, the lower water distribution pipes are arranged in parallel along the axial direction of the water distribution pipe, and the lower water distribution pipes are provided with lower water distribution holes. According to the uniform water distribution system of the subsurface flow constructed wetland, provided by the invention, sewage uniformly enters the fillers above and below the water distribution pipe through the water distribution holes on the upper water distribution pipe and the lower water distribution pipe, the sewage uniformly and fully contacts with the wetland fillers, and the purification capacity of the wetland is improved.
Description
Technical Field
The invention relates to an underflow artificial wetland, in particular to a uniform water distribution system of the underflow artificial wetland.
Background
Constructed Wetlands (CW) are an ecological system for sewage treatment by using the material and energy circulation among substrates (or called fillers, biological carriers), plants and microorganisms. The removal of pollutants is achieved through the synergistic effect of physics, chemistry and biology among all parts.
The artificial wetland is generally divided into two types, including a surface flow artificial wetland and an undercurrent artificial wetland, wherein the surface flow artificial wetland has less application in practical engineering because the artificial wetland has lower load, large floor area, high temperature, easy propagation of mosquitoes and flies, poor sanitary condition, surface icing at low temperature, great reduction of the treatment effect of the system, and incapability of fully utilizing fillers and rich plant roots. The main structure of the subsurface flow constructed wetland is similar to that of the surface flow constructed wetland, but when sewage flows in the substrate, the water surface is lower than the surface layer of the substrate, so that on one hand, the biological membrane on the surface of the substrate, rich plant roots and the interception function of the substrate are fully utilized, and the treatment effect and the treatment capacity are improved; on the other hand, because the water flow always flows on the surface layer of the substrate, the problems of mosquitoes, flies and odor are avoided, and the influence of temperature is reduced to a certain degree.
The existing wetland water distribution device is positioned above the filler, sewage is difficult to uniformly and fully contact with the wetland filler, so that the decontamination capability of the filler cannot be fully utilized, and the purification capability of the wetland is reduced.
Disclosure of Invention
In view of the above, the invention provides an even water distribution system of an undercurrent artificial wetland, which enables sewage to uniformly enter the fillers above and below the water distribution pipe through the water distribution holes on the upper water distribution pipe and the lower water distribution pipe, achieves the effects of uniform water distribution, no short flow and no blockage, and enables the sewage to uniformly contact with the fillers of the wetland, thereby improving the purification capacity of the wetland.
The invention provides a uniform water distribution system of an undercurrent artificial wetland, which comprises a water distribution pipe, wherein the water distribution pipe is horizontally erected in a wetland filler layer, one end of the water distribution pipe is fixedly connected with a water inlet pipe, the water distribution pipe is provided with a plurality of upper water distribution pipes arranged in the vertical direction of the water distribution pipe and a plurality of lower water distribution pipes arranged in the horizontal direction of the water distribution pipe, the upper water distribution pipes are arranged in parallel along the axial direction of the water distribution pipe and comprise a water delivery part and a water distribution part, the upper water distribution pipes are in a T shape, the water delivery part is vertical to the water distribution pipe, the water distribution part is provided with upper water distribution holes, the lower water distribution pipes are arranged in parallel along the axial direction of the water distribution pipe, and the lower water distribution pipes are provided with lower water distribution holes with downward openings.
Furthermore, the upper water distribution pipe and the lower water distribution pipe are arranged at intervals.
Further, the length of the water distribution part is equal to that of the lower water distribution pipe.
Further, the upper water distribution hole is opened upwards.
Further, a plurality of water spraying pipes are arranged on two sides of the water distribution part and are arranged in parallel along the axial direction of the water distribution part.
Furthermore, the pore channel inside the water spray pipe is conical, and the pore channel is of a structure with the diameter gradually reduced from the water distribution part to the end part.
Further, the sprinkler pipe comprises a first sprinkler pipe unit and a second sprinkler pipe unit, the length of the first sprinkler pipe unit is larger than that of the second sprinkler pipe unit, and the first sprinkler pipe unit and the second sprinkler pipe unit are arranged at intervals.
Furthermore, a plurality of water outlet pipes are arranged on two sides of the lower water distribution pipe, and the water outlet pipes are axially arranged in parallel along the lower water distribution pipe.
Furthermore, the end of the water outlet pipe is of an elbow structure, and the bottom of the end is provided with a water outlet.
Furthermore, the wetland packing layer is formed by combining zeolite, volcanic rock, hollow bricks and steel slag.
In the uniform water distribution system of the subsurface flow constructed wetland provided by the invention, 4 fillers of zeolite, volcanic rock, hollow bricks and steel slag are combined to form a composite wetland filler layer, the installation height of a water distribution pipe is used as a boundary, the wetland filler layer above the water distribution pipe is an upper filler layer, and the wetland filler layer below the water distribution pipe is a lower filler layer. The water distribution pipe distributes sewage to the upper water distribution pipes, and a plurality of upper water distribution pipes which are arranged in parallel uniformly distribute water to the upper packing layer through the upper water distribution holes and the water spray pipes on the two sides; the water distribution pipes supply water to the lower water distribution pipes in the horizontal direction, and the lower water distribution pipes arranged in parallel uniformly distribute water to the lower packing layer through the lower water distribution holes and the water outlet pipes on the two sides. The water distribution holes on the upper water distribution pipe and the lower water distribution pipe enable sewage to uniformly enter the fillers above and below the water distribution pipe, the sewage is uniformly and fully contacted with the wetland fillers, and the purification capacity of the wetland is improved. The openings of the upper water distribution holes are upward, so that sewage can enter the wetland packing layer above the upper water distribution pipes, and the wetland packing is utilized to the maximum extent. The upper water distribution pipes and the lower water distribution pipes are arranged on the water distribution pipes at intervals, so that the wetland packing layer in the area between the adjacent upper water distribution pipes and the adjacent lower water distribution pipes is fully utilized.
According to the uniform water distribution system of the subsurface flow constructed wetland, provided by the invention, sewage uniformly enters the fillers above and below the water distribution pipe through the water distribution holes on the upper water distribution pipe and the lower water distribution pipe, so that the effects of uniform water distribution, no short flow and no blockage are achieved, the sewage uniformly and fully contacts with the wetland fillers, and the purification capacity of the wetland is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a uniform water distribution system of an undercurrent artificial wetland provided by the embodiment of the invention;
fig. 2 is a schematic structural diagram of a downward view angle of a water distribution pipe in an uniform water distribution system of an subsurface flow constructed wetland according to an embodiment of the present invention;
fig. 3 is a sectional view of an upper water distribution pipe in an uniform water distribution system of an subsurface flow constructed wetland according to an embodiment of the present invention;
fig. 4 is a structural schematic diagram of a bottom view angle of a lower water distribution pipe in an uniform water distribution system of an subsurface flow constructed wetland according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 4, a uniform water distribution system of an underflow artificial wetland according to an embodiment of the present invention is shown, and includes a water distribution pipe 1, the water distribution pipe 1 is horizontally erected in a wetland packing layer 2, one end of the water distribution pipe 1 is fixedly connected to a water inlet pipe 3, the water distribution pipe 1 is provided with a plurality of upper water distribution pipes 11 arranged in a vertical direction of the water distribution pipe 1 and a plurality of lower water distribution pipes 12 arranged in a horizontal direction of the water distribution pipe 1, the plurality of upper water distribution pipes 11 are arranged in parallel along an axial direction of the water distribution pipe 1, each upper water distribution pipe 11 includes a water delivery part 111 and a water distribution part 112, the upper water distribution pipe 11 is T-shaped, the water delivery part 111 is perpendicular to the water distribution pipe 1, the water distribution part 112 is provided with upper water distribution holes 1121, the plurality of lower water distribution pipes 12 are arranged in parallel along the axial direction of the water distribution pipe 1, and the lower water distribution holes 121 with downward openings are provided on the.
Specifically, referring to fig. 1 to 4, the upper water distribution pipes 11 and the lower water distribution pipes 12 are arranged at intervals.
Specifically, referring to fig. 1 to 4, the water distribution part 112 has a length equal to that of the lower water distribution pipe 12.
Specifically, referring to fig. 1 to 4, the upper water distribution holes 1121 are opened upward.
Specifically, referring to fig. 1 to 4, a plurality of water spray pipes 113 are disposed at both sides of the water distribution part 112, and the plurality of water spray pipes 113 are arranged in parallel along the axial direction of the water distribution part 112.
Specifically, referring to fig. 1 to 4, a plurality of water outlet pipes 122 are disposed on two sides of the lower water distribution pipe 12, and the plurality of water outlet pipes 122 are arranged in parallel along the axial direction of the lower water distribution pipe 12.
Specifically, referring to fig. 1 to 4, the wetland packing layer 2 is composed of zeolite, volcanic rock, hollow brick and steel slag.
In the uniform water distribution system of the subsurface flow constructed wetland provided by the invention, 4 fillers of zeolite, volcanic rock, hollow bricks and steel slag are combined to form a composite wetland filler layer, the installation height of a water distribution pipe is used as a boundary, the wetland filler layer above the water distribution pipe is an upper filler layer, and the wetland filler layer below the water distribution pipe is a lower filler layer. The water distribution pipe distributes sewage to the upper water distribution pipes, and a plurality of upper water distribution pipes which are arranged in parallel uniformly distribute water to the upper packing layer through the upper water distribution holes and the water spray pipes on the two sides; the water distribution pipes supply water to the lower water distribution pipes in the horizontal direction, and the lower water distribution pipes arranged in parallel uniformly distribute water to the lower packing layer through the lower water distribution holes and the water outlet pipes on the two sides. The water distribution holes on the upper water distribution pipe and the lower water distribution pipe enable sewage to uniformly enter the fillers above and below the water distribution pipe, the sewage is uniformly and fully contacted with the wetland fillers, and the purification capacity of the wetland is improved. The openings of the upper water distribution holes are upward, so that sewage can enter the wetland packing layer above the upper water distribution pipes, and the wetland packing is utilized to the maximum extent. The upper water distribution pipes and the lower water distribution pipes are arranged on the water distribution pipes at intervals, so that the wetland packing layer in the area between the adjacent upper water distribution pipes and the adjacent lower water distribution pipes is fully utilized.
According to the uniform water distribution system of the subsurface flow constructed wetland, provided by the invention, sewage uniformly enters the fillers above and below the water distribution pipe through the water distribution holes on the upper water distribution pipe and the lower water distribution pipe, so that the effects of uniform water distribution, no short flow and no blockage are achieved, the sewage uniformly and fully contacts with the wetland fillers, and the purification capacity of the wetland is improved.
Example two:
referring to fig. 1 to 4, a uniform water distribution system of an subsurface flow constructed wetland provided by a second embodiment of the present invention is shown in the drawings, and the present embodiment further makes the following improved technical solutions on the basis of the above embodiments: the channel 1131 inside the water spraying pipe 113 is tapered, and the diameter of the channel 1131 gradually decreases from the water distribution part 112 to the end.
The water spray pipes on the upper water distribution pipe are used for distributing water for the upper packing layer, and the conical pore passages inside the water spray pipes enable the distance of the sewage flowing out of the pore passages to be longer than that of the sewage sprayed out of the common cylindrical pore passages, so that the water distribution area of the upper water distribution pipe is wider, and the water distribution is more uniform.
Example three:
referring to fig. 1 to 4, a uniform water distribution system of an underflow artificial wetland according to a third embodiment of the present invention is shown in the drawings, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiments: the sprinkler 113 includes a first sprinkler unit 1132 and a second sprinkler unit 1133, the first sprinkler unit 1132 has a greater length than the second sprinkler unit 1133, and the first sprinkler unit 1132 and the second sprinkler unit 1133 are spaced apart.
The water spray pipe consists of a first water spray pipe unit and a second water spray pipe unit which are different in length, and thus the upper water distribution hole, the second water spray pipe unit and the first water spray pipe unit sequentially form three-stage water distribution with the upper water distribution pipe close to, in and far away, so that the water distribution of the upper water distribution pipe is more uniform.
Example four:
referring to fig. 1 to 4, a uniform water distribution system of an underflow artificial wetland according to a fourth embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements based on the above-mentioned embodiments: the end 1221 of the water outlet pipe 122 is an elbow structure, and the bottom of the end 1221 is provided with a water outlet.
The water outlet pipe assists the water distribution holes of the lower water distribution pipe to distribute water, the end head of the water outlet pipe is of an elbow structure, and the bottom of the water outlet pipe is provided with a water outlet, so that the water outlet pipe is not easily blocked by the filler.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.
Claims (10)
1. The uniform water distribution system of the subsurface flow constructed wetland is characterized by comprising a water distribution pipe (1), wherein the water distribution pipe (1) is horizontally erected in a wetland packing layer (2), one end of the water distribution pipe (1) is fixedly connected with a water inlet pipe (3), the water distribution pipe (1) is provided with a plurality of upper water distribution pipes (11) which are arranged in the vertical direction of the water distribution pipe (1) and a plurality of lower water distribution pipes (12) which are arranged in the horizontal direction of the water distribution pipe (1), the upper water distribution pipes (11) are arranged in parallel along the axial direction of the water distribution pipe (1), each upper water distribution pipe (11) comprises a water delivery part (111) and a water distribution part (112), the structure of each upper water distribution pipe (11) is T-shaped, the water delivery part (111) is perpendicular to the water distribution pipe (1), each water distribution part (112) is provided with an upper water distribution hole (1121), and the lower water distribution pipes (12) are arranged in parallel along the axial direction of the water distribution pipe (1), the lower water distribution pipe (12) is provided with a lower water distribution hole (121) with a downward opening.
2. The uniform water distribution system of the subsurface flow constructed wetland according to claim 1, characterized in that the upper water distribution pipes (11) and the lower water distribution pipes (12) are arranged at intervals.
3. The uniform water distribution system of the subsurface flow constructed wetland according to claim 1, characterized in that the length of the water distribution part (112) is equal to that of the lower water distribution pipe (12).
4. The uniform water distribution system of the subsurface flow constructed wetland according to claim 1, wherein the upper water distribution holes (1121) are opened upward.
5. The uniform water distribution system of the subsurface flow constructed wetland according to claim 1, characterized in that a plurality of water spray pipes (113) are arranged at two sides of the water distribution part (112), and the plurality of water spray pipes (113) are arranged in parallel along the axial direction of the water distribution part (112).
6. The uniform water distribution system of the subsurface flow constructed wetland according to claim 5, characterized in that the pore canal (1131) inside the water spray pipe (113) is tapered, and the pore canal (1131) has a structure with a diameter gradually decreasing from the water distribution part (112) to the end part.
7. The water distribution uniformity system of the subsurface constructed wetland according to claim 5 or 6, wherein the water spray pipes (113) comprise a first water spray pipe unit (1132) and a second water spray pipe unit (1133), the length of the first water spray pipe unit (1132) is greater than that of the second water spray pipe unit (1133), and the first water spray pipe unit (1132) and the second water spray pipe unit (1133) are arranged at intervals.
8. The uniform water distribution system of the subsurface flow constructed wetland according to claim 1, characterized in that a plurality of water outlet pipes (122) are arranged on two sides of the lower water distribution pipe (12), and the plurality of water outlet pipes (122) are arranged in parallel along the axial direction of the lower water distribution pipe (12).
9. The uniform water distribution system of the subsurface flow constructed wetland according to claim 8, characterized in that the end head (1221) of the water outlet pipe (122) is of an elbow structure, and the bottom of the end head (1221) is provided with a water outlet.
10. The uniform water distribution system of the subsurface flow constructed wetland according to claim 1, characterized in that the wetland packing layer (2) is composed of zeolite, volcanic rock, hollow brick and steel slag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010210675.4A CN111559796A (en) | 2020-03-24 | 2020-03-24 | Uniform water distribution system of subsurface flow constructed wetland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010210675.4A CN111559796A (en) | 2020-03-24 | 2020-03-24 | Uniform water distribution system of subsurface flow constructed wetland |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111559796A true CN111559796A (en) | 2020-08-21 |
Family
ID=72073035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010210675.4A Pending CN111559796A (en) | 2020-03-24 | 2020-03-24 | Uniform water distribution system of subsurface flow constructed wetland |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111559796A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661270A (en) * | 2020-12-02 | 2021-04-16 | 重庆交通大学 | Constructed wetland water distribution system |
-
2020
- 2020-03-24 CN CN202010210675.4A patent/CN111559796A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661270A (en) * | 2020-12-02 | 2021-04-16 | 重庆交通大学 | Constructed wetland water distribution system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103739167B (en) | Rain and sewage dual-purpose landscape type ecological purification system | |
| CN102249431B (en) | Vertical current hydraulic-drop aerating device | |
| CN111559796A (en) | Uniform water distribution system of subsurface flow constructed wetland | |
| CN103570135A (en) | Sewage purifying method and artificial wetland sewage purifying system | |
| CN205953664U (en) | Efficient constructed wetland nitrogen and phosphorus removal device | |
| CN102153234B (en) | Serial drop water composite wetland system for treating non-point pollution | |
| CN212559642U (en) | Uniform water distribution system of subsurface flow constructed wetland | |
| CN107777792B (en) | Inclined bottom plate partial pressure aeration tank | |
| CN203530028U (en) | Artificial wetland sewage purification system | |
| CN109019863B (en) | Artificial wetland system and operation method | |
| CN214880555U (en) | Decentralized peasant household domestic sewage wave-shaped subsurface flow constructed wetland nitrogen and phosphorus removal device | |
| CN107585952B (en) | Sewage treatment device and sewage treatment process thereof | |
| CN108862604A (en) | Netted basalt fibre combined type baffling artificial wet land system | |
| CN205953573U (en) | Water distributor | |
| JP2003033625A (en) | Biological deodorizing method | |
| CN211570396U (en) | Energy-conserving efficient sewage treatment system | |
| CN108726686B (en) | Natural reoxygenation constructed wetland sewage treatment system | |
| CN111559800A (en) | Spraying and oxygen increasing system of subsurface flow constructed wetland | |
| CN110540298A (en) | Utilize constructed wetland system of dredging pipe prevention and cure jam | |
| CN220788249U (en) | Water and gas distribution structure of biological aerated filter | |
| CN214299506U (en) | Fungus-algae symbiotic floating net and artificial wetland water treatment and purification device with same | |
| JP6553433B2 (en) | Dispersing device, upward-flowing reaction device having the same, and operating method thereof | |
| RU2400975C2 (en) | Fish farm water system | |
| CN217398556U (en) | Constructed wetland and water collecting and distributing device thereof | |
| RU2513401C1 (en) | Trickling filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |