CN219326661U

CN219326661U - Vertical flow constructed wetland

Info

Publication number: CN219326661U
Application number: CN202320197162.3U
Authority: CN
Inventors: 罗凤禧; 付娆; 刘红茹; 李文强; 宋金红
Original assignee: Henan Livable Environment Construction Co ltd
Current assignee: Henan Livable Environment Construction Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-11
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a vertical flow constructed wetland, belonging to the field of constructed wetlands; a water distribution channel, a composite vertical flow wetland and a drainage channel which are communicated with each other are sequentially arranged along the water flow direction; the composite vertical flow wetland comprises a plurality of wetland tanks arranged along the water flow direction, and two adjacent wetland tanks are communicated through a penetrating pipe; the wall of the penetrating pipe is made of transparent materials, and an ultraviolet light source is arranged on the outer wall of the penetrating pipe. The beneficial effects are that: the penetrating pipe adopts a transparent pipeline, and an ultraviolet light source is arranged on the outer pipe wall, so that ultraviolet irradiation can be carried out on water in the water transmission process, and the water can be sterilized; compared with the prior art, the device has simpler structure, does not occupy redundant land area and does not change the integral structure of the constructed wetland.

Description

Vertical flow constructed wetland

Technical Field

The utility model relates to a vertical flow constructed wetland, and belongs to the field of constructed wetlands.

Background

As a novel ecological sewage treatment technology, the constructed wetland has the advantages of good treatment effect, convenient operation and maintenance management, low engineering capital construction and operation cost, high environmental aesthetic value and the like compared with the traditional sewage treatment method, so the constructed wetland is widely used for treating urban domestic sewage, industrial and agricultural production wastewater and other fields.

In the Chinese patent application No. CN202222367762.8, a plurality of artificial wetland tanks are adopted for carrying out wetland irrigation; however, an insolation tank is arranged between two adjacent wetland tanks; although the effect of sterilizing the water can be achieved; however, the distance between two adjacent wetland pools is increased, so that the whole area of the constructed wetland is increased;

in addition, the artificial wetland tank cannot shield the sunlight of the insolation tank because of the depth of the height of the artificial wetland tank, the best setting mode is the setting mode as shown in the patent, but the drop of the horizontal height between the former wetland tank and the latter wetland tank is larger; therefore, the wetland device has higher requirements on the terrain.

Disclosure of Invention

The utility model aims to provide a vertical flow constructed wetland, which can effectively solve the problem that the constructed wetland has higher terrain requirement for ensuring sufficient oxygen in water.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a water distribution channel, a composite vertical flow wetland and a drainage channel which are communicated with each other are sequentially arranged along the water flow direction; the composite vertical flow wetland comprises a plurality of wetland tanks arranged along the water flow direction, and two adjacent wetland tanks are communicated through a penetrating pipe; the pipe wall of the penetrating pipe is made of transparent materials, and an ultraviolet light source is arranged on the outer pipe wall of the penetrating pipe.

Further: the ultraviolet light source adopts an ultraviolet light lamp band.

Further: a pipeline assembly is arranged in the wetland tank; and the horizontal height of the pipeline assembly in the next wetland tank is lower than that of the pipeline assembly in the previous wetland tank along the water flow direction.

Further: the wetland pool sequentially comprises a first packing layer, a second packing layer, a concrete bottom plate, a concrete cushion layer and a plain soil layer from top to bottom; the first filler layer comprises crushed stone with the particle size of 50mm and volcanic stone with the particle size of 30 percent; the second filler layer comprises crushed stone with the particle size of 80-100mm and volcanic rock with the particle size of 30% mixed; the penetrating pipe penetrates through the second packing layers of the two adjacent wetland tanks.

Further: the pipeline assembly comprises a water guide pipe, a main water distribution pipe communicated with the water guide pipe, and a branch water distribution pipe drilled with the main water distribution pipe; the water guide pipe is communicated with the water distributing channel or the drainage channel.

Further: the drainage canal is connected with sewage treatment equipment through a conduit.

Further: an oxygen pipeline is arranged at the upper end of the second packing layer; the oxygen pipeline comprises an oxygen main pipe positioned in the middle of the wetland pool and a drilling oxygen branch pipe communicated with the oxygen main pipe.

The beneficial effects are as follows:

the penetrating pipe adopts a transparent pipeline, and an ultraviolet light source is arranged on the outer pipe wall, so that ultraviolet irradiation can be carried out on water in the water transmission process, and the water can be sterilized; compared with the prior art, the device has simpler structure, does not occupy redundant land area and does not change the integral structure of the constructed wetland.

Because the water planting is different from the soil planting, gaps in the soil are many, the oxygen content of rhizome parts of plants planted in the soil is generally higher than that of the water planting, the rhizome parts are directly embedded into an artificial wetland planting layer through an oxygen pipeline, and oxygen is continuously provided in a water supply environment by externally connecting an oxygen generator, so that the growth of the water planting plants is facilitated.

Drawings

For ease of illustration, the utility model is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a wetland tank according to the utility model;

FIG. 3 is a piping component diagram of the present utility model;

FIG. 4 is a graph showing the distribution of oxygen lines according to the present utility model;

fig. 5 is an enlarged view at a in fig. 2.

Reference numerals illustrate:

1. a distribution canal; 2. a drainage canal; 3. a wetland pool; 4. a pipeline assembly; 5. a first filler layer; 6. a second filler layer; 7. a water conduit; 8. a water distribution main pipe; 9. drilling and distributing water to branch pipes; 10. an oxygen line; 11. an oxygen main pipe; 12. drilling an oxygen branch pipe; 13. penetrating a pipe; 14. a sewage treatment device; 15. an ultraviolet light lamp strip.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Referring to figures 1-5 for one embodiment of a vertical flow constructed wetland according to the utility model,

a water distribution channel 1, a composite vertical flow wetland and a drainage channel 2 which are communicated with each other are sequentially arranged along the water flow direction; the composite vertical flow wetland comprises a plurality of wetland tanks 3 arranged along the water flow direction, and two adjacent wetland tanks 3 are communicated through a through pipe 13; the wall of the penetrating pipe 13 is made of transparent materials, and an ultraviolet light source is arranged on the outer wall of the penetrating pipe 13.

The purpose of the water to receive the sunlight irradiation is mainly to receive ultraviolet light, and the ultraviolet light is utilized to sterilize and disinfect the water;

aquatic plants are planted in the composite vertical flow wetland in the device. Irrigation water is stored in the water distribution channel 1 and is used for irrigating aquatic plants in the composite vertical flow wetland; the water level of the aquatic plants is limited and is generally 10-30CM higher than that of the rootstocks, and the irrigation water of the aquatic plants needs to flow slowly, so that the water level of irrigation is maintained when the irrigation water flows as soon as the drainage canal 2 is arranged on the composite vertical flow wetland.

The composite vertical flow wetland of the device is composed of two wetland tanks 3, water in a drainage canal 2 flows into the first wetland tank 3 through a pipeline assembly 4, then enters into the second wetland tank 3 through a penetrating pipe 13 in the two wetland tanks 3, and finally flows into the drainage canal 2 from the second wetland tank 3 to finish the irrigation operation of the wetland tank 3.

In the process, a penetrating pipe 13 is arranged between the first wetland tank 3 and the second wetland tank 3, the penetrating pipe 13 penetrates through the tank walls of the two wetland tanks 3 to communicate the two wetland tanks 3, and the penetrating pipe 13 is arranged near the bottom of the wetland tank 3; the water in the first wetland tank 3 enters the second wetland tank through a penetrating pipe 13.

The penetrating pipe 13 adopts a transparent pipeline, and an ultraviolet light source is arranged on the outer pipe wall, so that ultraviolet irradiation can be carried out on water in the water transmission process, and the water can be sterilized; compared with the prior art, the device has simpler structure, does not occupy redundant land area and does not change the integral structure of the constructed wetland.

The ultraviolet light source adopts an ultraviolet light lamp band 15.

Embedding a penetrating pipe 13 between two wetland pools 3 requires reserving pipe diameter space, and setting an ultraviolet light source also requires a light emitting device, which also requires reserving space and is also required to be arranged in a sealing way; the ultraviolet light lamp strip 15 is mainly simple in structure, thin in thickness, small in occupied space and convenient to install.

A pipeline assembly 4 is arranged in the wetland tank 3; and the level of the pipe assembly 4 in the subsequent wetland tank 3 is lower than that of the pipe assembly 4 in the previous wetland tank 3 along the water flow direction.

In the device, pipeline assemblies 4 are arranged in a wetland tank 3, but two adjacent pipeline assemblies 4 have the same structure and different functions; the main function of the pipeline assembly 4 positioned in the first wetland tank 3 is to drain the water in the distribution channel 1 into the first wetland tank 3; the main function of the pipeline assembly 4 positioned in the second wetland tank 3 is to drain the water in the second wetland tank 3 into the drainage channel 2;

the first wetland tank 3 and the second wetland tank 3 are added with the penetrating pipe 13 to form a communicating vessel, the horizontal planes in the two wetland tanks 3 are the same according to the principle of the communicating vessel, but a drainage canal 2 is arranged at one side of the second wetland tank 3, the inlet of the drainage canal 2 and the pipeline assembly 4 in the second wetland tank 3 are lower than the pipeline assembly 4 in the first wetland tank 3 in horizontal height, so that water can be continuously irrigated in the artificial wetland.

According to the principle of a communicating vessel, two wetland tanks 3 in the composite vertical wetland tank in the device can flow water in the first wetland tank 3 into the second wetland tank 3 through a penetrating pipe 13 at the bottom, and then the water is flowed into the second wetland tank 3 to limit the height of the drainage canal 2, so that continuous irrigation of the constructed wetland can be realized; in general, the second wetland tank 3 is only required to be slightly lower than the first wetland tank 3 in level, and the first wetland tank 3 and the second wetland tank 3 are completely level; the arrangement reduces the geographical limit of the plant water planting,

the drainage canal 2 in the device is connected with sewage treatment equipment 14 through a conduit, and the sewage treatment equipment 14 is a sewage treatment plant; of course, the sewage treatment device 14 can be determined according to the area of the composite vertical wetland tank; the water consumption is very high when the area is large, and sewage treated by a sewage treatment plant directly enters the water distribution channel through the guide pipe, so that continuous water consumption can be provided for large-area constructed wetlands; small water filters, filter screens, etc. can be used in small areas.

The wetland pool 3 is sequentially provided with a first packing layer 5, a second packing layer 6, a concrete bottom plate, a concrete cushion layer and a plain soil layer from top to bottom; the first filler layer 5 comprises crushed stone with the particle size of 50mm and volcanic stone with the particle size of 30 percent; the second filler layer 6 comprises crushed stone with the particle size of 80-100mm and volcanic rock with the particle size of 30 percent; the penetrating pipe 13 penetrates through the second filler layers 6 of the two adjacent wetland tanks 3.

The volcanic rock contains abundant trace elements and has unique value in the aspect of water planting. The volcanic rocks are doped in the water culture, so that rich nutrition can be provided for plants; in addition, the volcanic rock can also regulate the acidity and alkalinity of the water environment, adsorb toxic substances and harmful bacteria; the smaller particle size of the crushed stone of the first packing layer 5 is used for facilitating the planting of plants in the wetland tank 3.

The second filler layer 6 is a part close to the bottom of the wetland tank 3; the penetrating pipe 13 is arranged so that water flow fully contacts the volcanic rocks in the first wetland tank 3, then enters the second wetland tank 3 to continuously contact the volcanic rocks, and the volcanic rocks in the composite vertical wetland tank can be fully utilized.

The pipeline assembly 4 comprises a water guide pipe 7, a main water distribution pipe 8 communicated with the water guide pipe 7, and a branch water distribution pipe 9 drilled and communicated with the main water distribution pipe 8; the water guide pipe 7 is communicated with the water distributing channel 1 or the water discharging channel 2.

The number of the pipeline assemblies 4 is two, one of the pipeline assemblies is arranged in the first wetland tank 3 and is communicated with the water distribution channel 1; the other is arranged in the second wetland tank 3 and is communicated with the drainage canal 2.

The wetland tank 3 in the device is a square tank, the water distribution main pipe 8 is arranged at a position close to the tank wall at one side of the wetland tank 3, and the drilled water distribution branch pipes 9 are uniformly arranged at one side of the water distribution main pipe 8 and extend towards the wetland tank 3;

when working, firstly, the water distribution channel 1-the first wetland pool 3 stage; the water in the water distribution channel 1 enters a main water distribution pipe 8 through a water guide pipe 7, the main water distribution pipe 8 distributes the water to each drilling water distribution branch pipe 9, and then the water flows into the wetland tank 3 from small holes in the drilling water distribution branch pipes 9;

then the second wetland pool 3-drainage canal 2 stage; the water in the first wetland tank 3 is continuously conveyed to the second wetland tank 3 from the bottom, the water level of the second wetland tank 3 rises and contacts the drilling water distribution branch pipe 9, the water flows into the drilling water distribution branch pipe 9 from the small hole and then is concentrated in the water distribution main pipe 8, and finally flows into the drainage channel 2 through the water guide pipe 7; irrigation of the finished water is completed; the water level of the whole constructed wetland can be well controlled to be maintained at a certain height, and a stable water planting environment is provided for plants.

An oxygen pipeline 10 is arranged at the upper end of the second packing layer 6; the oxygen pipeline 10 comprises an oxygen main pipe 11 positioned in the middle of the wetland tank 3 and a drilling oxygen branch pipe 12 communicated with the oxygen main pipe 11.

Because the water planting is different from the soil planting, gaps in the soil are many, the oxygen content of rhizome parts of plants planted in the soil is generally higher than that of the water planting, the rhizome parts are directly embedded into an artificial wetland planting layer through an oxygen pipeline 10, and oxygen is provided in an environment of continuously supplying water in an external oxygen generator, so that the growth of the water planting plants is facilitated.

And in the device, the pipeline layout is arranged aiming at the oxygen pipeline 10, so that the balance of the oxygen concentration of the water environment in the wetland pool can be maintained, and the uniform growth of hydroponic plants can be ensured.

The above embodiments are merely illustrative embodiments of the present utility model, but the technical features of the present utility model are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the present utility model are included in the scope of the present utility model.

Claims

1. A vertical flow constructed wetland is characterized in that: a water distribution channel (1), a composite vertical flow wetland and a drainage channel (2) which are communicated with each other are sequentially arranged along the water flow direction; the composite vertical flow wetland comprises a plurality of wetland tanks (3) arranged along the water flow direction, and two adjacent wetland tanks (3) are communicated through a penetrating pipe (13); the pipe wall of the penetrating pipe (13) is made of transparent materials, and an ultraviolet light source is arranged on the outer pipe wall of the penetrating pipe (13).

2. The vertical-flow constructed wetland according to claim 1, wherein: the ultraviolet light source adopts an ultraviolet light lamp band (15).

3. The vertical-flow constructed wetland according to claim 1, wherein: a pipeline assembly (4) is arranged in the wetland tank (3); and the horizontal height of the pipeline assembly (4) in the next wetland tank (3) is lower than the horizontal height of the pipeline assembly (4) in the previous wetland tank (3) along the water flow direction.

4. A vertical flow constructed wetland according to claim 3, wherein: the wetland pool (3) sequentially comprises a first packing layer (5), a second packing layer (6), a concrete bottom plate, a concrete cushion layer and a plain soil layer from top to bottom; the penetrating pipe (13) penetrates through the second filler layers (6) of the two adjacent wetland tanks (3).

5. The vertical-flow constructed wetland according to claim 4, wherein: the pipeline assembly (4) comprises a water guide pipe (7), a main water distribution pipe (8) communicated with the water guide pipe (7), and a branch water distribution pipe (9) drilled with the main water distribution pipe (8); the water guide pipe (7) is communicated with the water distributing channel (1) or the drainage channel (2).

6. The vertical-flow constructed wetland according to claim 5, wherein: the drainage canal (2) is connected with sewage treatment equipment (14) through a conduit.

7. The vertical-flow constructed wetland according to claim 5, wherein: an oxygen pipeline (10) is arranged at the upper end of the second packing layer (6); the oxygen pipeline (10) comprises an oxygen main pipe (11) positioned in the middle of the wetland tank (3) and a drilling oxygen branch pipe (12) communicated with the oxygen main pipe (11).