CN210001655U

CN210001655U - kinds of artificial wetland ecosystem

Info

Publication number: CN210001655U
Application number: CN201920294703.8U
Authority: CN
Inventors: 尹燕华; 徐中良; 马琼
Original assignee: Zhongsheng Huaxing International Construction Co Ltd
Current assignee: Zhongsheng Huaxing International Construction Co Ltd
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2020-01-31
Anticipated expiration: 2029-03-07

Abstract

The utility model relates to the technical field of environmental protection, and discloses kinds of constructed wetland ecosystem, including the underdrain, embankment and beach, be equipped with many places sewage pipe on lateral walls of underdrain at the interval, lateral wall intercommunication embankment and the interior sewage of underdrain flow into embankment, embankment includes the main part, the main part is inside hollow and from top to bottom level is provided with the multilayer supporting plate, the supporting plate upper surface is provided with the basin, the tank bottom department of basin is provided with the filtration pore, the filtration pore runs through the supporting plate, the side of main part is the opening, be provided with the filter in the opening and filter and support plate sliding contact, sewage passes through the basin from the filter, and from the filtration pore entering layers of filter down, the embankment bottom is provided with the ponding groove, from the drainage of lower floor filter pore entering in the ponding groove, the beach includes the submerged channel and the activity vegetation that locates above the submerged channel, the submerged channel communicates the ponding groove, and be provided with the sedimentation tank along the rivers direction in the terminal external water circulation system of submerged channel.

Description

kinds of artificial wetland ecosystem

Technical Field

The utility model relates to an environmental protection technical field mainly relates to kinds of constructed wetland ecosystem.

Background

The artificial wet land sewage treating technology is technology for treating sewage and sludge by means of the physical, chemical and biological synergistic effect of soil, artificial medium, plant and microbe in direction flowing process, and its action mechanism includes adsorption, detention, filtering, oxidation reduction, deposition, microbe decomposition, conversion, plant shielding, residue accumulation, transpiration, water and nutrient absorption and the action of various animals to regulate SS (suspended matter), TN (total nitrogen), COD (chemical oxygen demand) and BOD (biochemical oxygen demand).

The artificial wetland is completed by the actions of substrate interception, filtration, adsorption and biodegradation. The traditional constructed wetland has the problems of large water level difference, high load and poor removal rate of ammonia nitrogen and total phosphorus in use. The substrate is an important component of the artificial wetland, provides a growth environment for wetland plants and microorganisms, participates in the physical and chemical process of sewage purification of the artificial wetland, and particularly plays an important role in adsorbing phosphorus causing water eutrophication. Therefore, the method has very important significance in directly determining the dephosphorization efficiency of the treatment system by selecting which material to use as the substrate of the artificial wetland.

After hours of use, the physicochemical process of the substrate participation reaches degrees, the performance of the substrate itself is reduced, and sufficient treatment capacity cannot be ensured, at this time, the substrate needs to be maintained, and the traditional artificial wetland is basically built in a fixed burying way, and the substrate needs to be maintained at a great cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides an kind of constructed wetland ecosystem aims at improving constructed wetland's matrix structure, combines the mode of vertical current and undercurrent to carry out comprehensive treatment to sewage, improves constructed wetland's play water quality of water to improve the maintenance convenience in constructed wetland later stage, reduce the maintenance cost.

In order to realize the above effect, the utility model discloses the technical scheme who adopts does:

A constructed wetland ecosystem, which comprises an underdrain, a dike and a beach, wherein a plurality of sewage pipes are arranged on side walls of the underdrain at intervals, the other side wall of the underdrain is communicated with the upper part of the dike, sewage in the underdrain flows into the dike, the dike comprises a main body, a plurality of layers of supporting plates are arranged in the main body in a hollow manner from top to bottom horizontally, a water passing groove is arranged on the upper surface of each supporting plate, a filtering hole is arranged at the groove position of the water passing groove and penetrates through the supporting plates, an opening is arranged on the side of the main body, a filtering body is arranged in the opening and is in sliding contact with the supporting plates, the sewage penetrates through the filtering body and enters the water passing groove, the filtering body penetrates through the filtering hole and enters layers of the filtering body, a water accumulating groove is arranged at the bottom of the dike, water drained from the filtering hole at the lowest layer enters the water accumulating groove, the beach comprises an underflow groove and vegetation movably arranged above the underflow, the underflow is communicated with the water accumulating groove, a sedimentation tank is arranged in the water flow direction.

The constructed wetland ecosystem disclosed above combines the water treatment modes of vertical flow and subsurface flow, the vertical flow treatment is performed inside the dike dam, the subsurface flow treatment is performed in the beach, SS (suspended matter), TN (total nitrogen), COD (chemical oxygen demand) and BOD (biochemical oxygen demand) in the sewage can be effectively regulated and controlled, especially, the nitrogen and phosphorus content in the sewage is reduced, and the problem of water eutrophication is solved.

, when the filter body is installed and unloaded, the filter body needs to keep a good body, and the installation and unloading procedures are convenient to carry out, so that the filter body disclosed in the technical scheme is optimized and comprises a box body and a filter material arranged in the box body as feasible choices.

Preferably, the box body can adopt a semi-closed box body with an opening at the upper part, and the filter material is directly filled into the box body from the opening, so that the treatment of the filter material is convenient, and the efficiency of absorbing the sewage filtered by the upper layer bearing plate by the filter body can also be improved.

, the multi-layer filter body is used for filtering and adsorbing in the vertical direction, and the filter material from top to bottom can be made of various materials, so that the filter material mentioned in the above technical scheme is optimized, and as feasible choices, the filter material can be made of, but not limited to, soil, activated carbon, gravel, activated alumina, polyaluminium chloride or brown corundum.

, the layered arrangement of the filter material inside the filter body influences the sewage treatment effect, in order to improve the sewage treatment effect of the multilayer filter body, the combined structure of the support plate and the filter body in the technical scheme is optimized, as feasible choices, at least four layers of support plates are arranged in the main body, each layer of support plate is provided with the filter body, the particle size of the filter material adopted by the filter body from top to bottom is gradually reduced, after the arrangement, the impurities with larger particle size are blocked by the filter material positioned at the upper layer, and the particle size of the impurities contained in the sewage permeating from the lower layer is smaller, so the purity is higher.

, providing specific technical schemes based on the structure of the supporting plate and the filter body disclosed by the technical scheme, wherein five layers of supporting plates are arranged in the main body as feasible choices, and filter materials adopted by the four layers of filter bodies from top to bottom sequentially comprise gravel, activated carbon, activated alumina, gravel and soil.

Further , the support plate needs to bear the weight of the corresponding filter, so the stability of the support plate affects the maintenance of the filter, and the structure of the support plate is optimized, and as feasible options, a support structure is arranged between two adjacent support plates.

, after being treated in the vertical direction in the dike dam, the sewage enters the beach through the transfer of the water accumulating tank, is used for the survival of vegetation in the beach, is used for reducing the content of nitrogen and phosphorus elements in water by means of the action of the vegetation, because different plants have different requirements on the elements in water, the structure of the subsurface flow channel disclosed in the technical scheme is optimized as feasible choices, a planting frame is arranged in the subsurface flow channel, the planting frame comprises an algae planting frame arranged in the sedimentation tank and a grass planting frame arranged in the area outside the sedimentation tank, the algae planting frame is used for planting algae plants and is used for absorbing a large amount of nitrogen and phosphorus elements in water, particularly the absorption of the phosphorus elements, and the grass planting frame is used for planting green plants on the ground surface such as turf and the like, and is beneficial to absorbing various harmful gases in water and purifying water bodies.

Preferably, the planting frame and the subsurface flow channel are arranged in a separable mode, so that the planting frame can be conveniently taken out of the subsurface flow channel, plants in the planting frame can be maintained, for example, the plants with good growth vigor are harvested, dead and rotten plants are removed, the purity of the water body is convenient to maintain, and the water body pollution and damage caused by the vegetation of the planting frame are avoided.

, the artificial wetland ecosystem disclosed in the above technical scheme is mainly used for spontaneous treatment of the environment with little artificial participation, so that the labor cost is reduced, the ecosystem for automatically performing water quality treatment needs to be monitored, the sewage treatment capability can be conveniently and timely known, hidden water treatment hazards are avoided, and the treatment capability is ensured.

, the artificial wetland ecosystem occupies a large area, the sewage treatment capacity is large, the treatment steps are also large, the treatment effects required to be achieved in different steps are relatively different, so that the monitoring of the treatment results in multiple steps is the key to know the actual treatment capacity of the ecosystem, the treatment capacity of each link is convenient to know, the water quality monitoring probes disclosed in the technical scheme are optimized as feasible choices, the number of the water quality monitoring probes is larger than , and at least the water passing groove of each layer of bearing plate, the water accumulating groove at the bottom of the embankment and the submerged channel are internally provided with the water quality monitoring probes.

And , the water quality monitoring probe realizes real-time water sample monitoring and signal transmission, and as a feasible scheme, the water quality monitoring probe is a spectrum monitoring probe, and the water quality monitoring probe utilizes the spectrum imaging of different elements in the water sample to analyze, quickly judges the content of various elements in the water sample, and can efficiently detect the purity of the water sample.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses set up the filter body of mobile installation and dismantlement in the main part of embankment, made things convenient for the maintenance and the change in later stage, guaranteed the sewage treatment ability in constructed wetland ecosystem later stage, also reduced the maintenance cost in later stage.

2. The utility model discloses a combine together vertical current sewage treatment and undercurrent sewage treatment, improved sewage treatment's effect for it is better from undercurrent canal exhaust water quality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of the composition structure of the ecosystem.

In the above figures, the meaning of the reference numerals is: 1-a body; 2-underdrain; 3-a sewage pipe; 4-a supporting plate; 401-passing through a water tank; 402-a filter hole; 5-a box body; 6-filtering materials; 7-water accumulation groove; 8-a subsurface flow channel; 9-a sedimentation tank; 10-a grass planting frame; 11-algae cultivation frame.

Detailed Description

The invention will be explained in with reference to the drawings and the embodiments.

Examples

As shown in fig. 1, the embodiment discloses a artificial wetland ecosystem, specifically comprising an underdrain 2, a dike and a beach, wherein side walls of the underdrain 2 are provided with a plurality of sewage pipes 3 at intervals, another side wall of the underdrain 2 is communicated with the upper part of the dike, sewage in the underdrain 2 flows into the dike, the dike comprises a main body 1, a plurality of layers of supporting plates 4 are horizontally arranged from top to bottom in a hollow manner in the main body 1, a water passing tank 401 is arranged on the upper surface of each supporting plate 4, a filtering hole 402 is arranged at the bottom of the water passing tank 401 and penetrates through the supporting plates 4, a filter body is arranged in the opening at the side of the main body 1 and is in sliding contact with the supporting plates 4, the sewage flows into the water passing tank 401 after passing through the filter body, and flows into the filter body at the lower layer from the filtering hole 402, a catchment tank 7 is arranged at the bottom of the dike, water discharged from the lowest layer of the filter body enters the catchment tank 7, the beach comprises an underflow 8 and a movable underflow 8, and a sedimentation water circulation system is arranged outside the submerged flow tank and communicated with a sedimentation tank 8.

In this embodiment, the embankment body 1 is made of a reinforced concrete structure by casting, and the underdrain 2 is located at the top of the embankment body 1.

The constructed wetland ecosystem disclosed above combines the water treatment modes of vertical flow and subsurface flow, the vertical flow treatment is performed inside the dike dam, the subsurface flow treatment is performed in the beach land, SS (suspended solids), TN (total nitrogen), COD (chemical oxygen demand) and BOD (biochemical oxygen demand) in the sewage can be effectively adjusted and controlled, especially the nitrogen and phosphorus content in the sewage is reduced, and the problem of water eutrophication is solved.

The filter body needs to maintain good integrity when being installed and uninstalled, and installation and uninstallation procedures are convenient to perform, so the filter body disclosed in the technical scheme is optimized by adopting feasible options, the filter body comprises a box body 5 and a filter material 6 arranged in the box body 5, and any other filter body structure capable of improving the filter material 6 integrity can be adopted in the embodiment.

In this embodiment, the box body 5 can be a semi-closed box body 5 with an opening at the upper part, and the filter material 6 is directly filled into the box body 5 from the opening, so that the treatment of the filter material 6 is convenient, and the efficiency of absorbing the sewage filtered by the filter body on the upper layer bearing plate 4 can be improved.

The multilayer filter body performs vertical filtering and adsorption, and the filter material 6 can be made of various types of materials from top to bottom, so that the filter material 6 mentioned in the above technical scheme is optimized, and as feasible choices, the filter material 6 can be made of, but not limited to, soil, activated carbon, gravel, activated alumina, polyaluminium chloride or brown corundum.

The layered arrangement of the filter materials 6 in the filter body influences the sewage treatment effect, in order to improve the sewage treatment effect of the multi-layer filter body, the combined structure of the bearing plate 4 and the filter body in the technical scheme is optimized, as feasible choices, at least four layers of bearing plates 4 are arranged in the main body 1, each layer of bearing plate 4 is provided with the filter body, and the particle size of the filter material 6 adopted by the filter body from top to bottom is gradually reduced.

The embodiment provides specific technical solutions on the basis of the structures of the bearing plate 4 and the filter body disclosed by the technical solutions, and as feasible choices, five bearing plates 4 are arranged in the main body 1, and filter materials 6 adopted by the four layers of filter bodies from top to bottom are gravel, activated carbon, activated alumina, gravel and soil in sequence.

The support plates 4 need to bear the weight of the corresponding filter body, so the stability of the support plates 4 affects the maintenance of the filter body, and therefore the structure of the support plates 4 is optimized, and as feasible options, a support structure is arranged between two adjacent support plates 4.

Specifically, the support structure is a support column or a support plate, in this embodiment, the support columns or the support plates are arranged at intervals along the length direction of the embankment, and filter bodies are arranged between every two support columns or support plates.

After being treated in the vertical direction in the dike dam, sewage enters the beach through the transfer of the water accumulating tank 7, is used for vegetation in the beach to live, is used for reducing the content of nitrogen and phosphorus elements in water by means of the action of the vegetation, the structure of the subsurface flow channel 8 disclosed in the technical scheme is optimized as feasible choices due to different requirements of different plants on the elements in the water, a planting frame is arranged in the subsurface flow channel 8 and comprises an algae planting frame 11 arranged in a sedimentation tank 9 and a vegetation planting frame 10 arranged in a region outside the sedimentation tank 9, the algae planting frame 11 is used for planting algae and is used for absorbing a large amount of nitrogen and phosphorus elements in the water, particularly the absorption of the phosphorus elements is obvious, and the vegetation planting frame 10 is used for planting green plants on the ground surface such as turf and the like, and is beneficial to absorbing various harmful gases in the water and purifying the water body.

In this example, the algal plant may be selected from cyanobacteria.

More specifically, planting frame and undercurrent canal 8 are the detachable setting, set up like this and are convenient for take out planting frame from undercurrent canal 8, can maintain the plant in the planting frame, for example reap the good plant of growing vigor, clear away dead rotten plant, are convenient for maintain the purity of water, avoid because the water pollution and the destruction that self vegetation reason leads to.

The artificial wetland ecosystem disclosed by the technical scheme has the advantages that the sewage treatment mode is mainly environment spontaneous treatment, and little manual work is involved, so that the labor cost is reduced, the ecosystem for automatically performing water quality treatment needs to be monitored, the sewage treatment capacity of the ecosystem is convenient to know in time, the hidden danger of water treatment is avoided, and the treatment capacity of the ecosystem is ensured.

The artificial wetland ecosystem has large floor area, a large sewage treatment amount and a large number of treatment steps, and the treatment effects required to be achieved in different steps are relatively different, so that the monitoring of the treatment results in the steps is the key for knowing the actual treatment capacity of the ecosystem, and the treatment capacity of each link is convenient to know, so that the water quality monitoring probes disclosed in the technical scheme are optimized as feasible choices, the number of the water quality monitoring probes is more than , and in the embodiment, the water passing grooves 401 of each layer of the supporting plate 4, the water accumulating grooves 7 at the bottom of the embankment and the diving channels are internally provided with the water quality monitoring probes.

Specifically, real-time water sample monitoring and signal transmission are realized to the water quality monitoring probe, and as a feasible scheme, the water quality monitoring probe is full spectrum water quality monitoring probe, utilizes the spectral imaging of different elements in the water sample and carries out analysis, judges the content of multiple elements in the water sample fast, can detect out the purity of water sample high-efficiently.

The above embodiments are just examples of the present invention, but the present invention is not limited to the above optional embodiments, and the above technical features can be arbitrarily combined to obtain a new technical solution without contradiction, and a person skilled in the art can obtain other various embodiments by mutually arbitrarily combining the above embodiments, and any person can obtain other various embodiments by the teaching of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.

Claims

The artificial wetland ecosystem is characterized by comprising an underdrain (2), a dike and a beach, wherein a plurality of sewage pipes (3) are arranged on side walls of the underdrain (2) at intervals, the other side wall of the underdrain (2) is communicated with the upper part of the dike, sewage in the underdrain (2) flows into the dike, the dike comprises a main body (1), a plurality of layers of supporting plates (4) are horizontally arranged in the main body (1) from top to bottom, a water passing tank (401) is arranged on the upper surface of each supporting plate (4), a filtering hole (402) is formed in the bottom of the water passing tank (401) and penetrates through the supporting plates (4), a filtering body is arranged on the side of the main body (1) and is provided with an opening, the filtering body is in sliding contact with the supporting plates (4), sewage penetrates through the filtering body and enters the water passing tank (401) and enters the filtering body of the lower layer of filtering body from the filtering hole (402), a water accumulating tank (7) is arranged at the bottom of the dike, water entering the filtering body from the lowest layer of the filtering body and enters the water flowing channel (7) and a sedimentation circulation system (8) arranged above the submerged basin and communicated with the bottom of the vegetation flowing tank (8) along the flowing direction of the submerged basin (8).
2. The constructed wetland ecosystem of claim 1, wherein: the filter body comprises a box body (5) and a filter material (6) arranged in the box body (5).
3. The constructed wetland ecosystem of claim 2, wherein: the filter material (6) adopts soil, active carbon, gravel, active alumina, polyaluminium chloride or brown corundum.
4. The constructed wetland ecosystem of claim 3, wherein: the filter is characterized in that at least four layers of bearing plates (4) are arranged in the main body (1), a filter body is arranged on each layer of bearing plate (4), and the particle size of a filter material (6) adopted by the filter body is gradually reduced from top to bottom.
5. The constructed wetland ecosystem of claim 4, wherein: five bearing plates (4) are arranged in the main body (1), and filter materials (6) adopted by the four-layer filtering body from top to bottom are gravel, activated carbon, activated alumina, gravel and soil in sequence.
6. The constructed wetland ecosystem of claim 1, wherein: a supporting structure is arranged between two adjacent bearing plates (4).
7. The constructed wetland ecosystem of claim 1, wherein: a planting frame is arranged in the subsurface flow channel (8), and the planting frame comprises an algae planting frame (11) arranged in the sedimentation tank (9) and a vegetation planting frame (10) arranged in an area outside the sedimentation tank (9).
8. The constructed wetland ecosystem of claim 7, wherein: the water quality monitoring system is arranged in the monitoring chamber, water quality monitoring probes are arranged in the dike dam and the beach, and the water quality monitoring probes are connected with the water quality monitoring system.
9. The ecological system of the constructed wetland according to claim 8, characterized in that the number of the water quality monitoring probes is more than , and water passing grooves (401) of at least each layer of the supporting plate (4), water accumulating grooves (7) at the bottom of the embankment and the diving channel are internally provided with the water quality monitoring probes.
10. The constructed wetland ecosystem of claim 8, wherein: the water quality monitoring probe is a spectrum monitoring probe.