Landscape ecological type expressway small and micro wetland

Abstract

The utility model provides a landscape ecological type expressway small and micro wetland which comprises a downstream pool and an upstream pool, each of the descending pond and the ascending pond comprises a tamped plain soil layer, and a fine sand leveling layer, coarse pebbles, coarse gravels and melon seed slice gravels which are sequentially arranged on the tamped plain soil layer from bottom to top, a wool-added waterproof film is arranged between the fine sand leveling layer and the coarse pebbles, and aquatic plants are planted at the tops of the descending pond and the ascending pond; according to the landscape composite constructed wetland sewage treatment system disclosed by the utility model, sewage treatment and landscape greening are combined, a wetland landscape and a landscape water body are built while sewage is treated, and sewage recycling is realized by combining with greening irrigation of a service area, so that the landscape quality of the service area is greatly improved, and the quality of the service area is improved; the staying time of drivers and passengers in a service area is prolonged, the fatigue driving probability of the drivers is reduced, and the method has positive significance in guaranteeing the highway driving safety.

Description

TECHNICAL FIELD

[0001] The utility model relates to a small micro wetland, especially to a landscape ecological highway small micro wetland, belongs to highway afforestation technical field. BACKGROUND

[0002] Highway refers to the highway for high-speed driving, and the highway has different provisions in different countries and regions, different times and different scientific research and academic fields, and the highway slope protection can be divided into two categories, namely engineering protection and plant protection, and the engineering protection is mostly rigid protection composed of steel bars and cement, and the plant protection is flexible protection, and the technical principle of slope ecological protection plant configuration is to adopt water and soil conservation as the main part, and has ecological landscape effect, in addition, the slope protection considers the gradual recovery of the whole vegetation, and the ecological mode configuration is mainly carried out by taking forest and grass plants as the main part, is beneficial to soil and slope protection, prevents water and soil loss, improves the highway slope landscape and driving effect, and is beneficial to driving safety, and the highway is a sewage discharge source, and the highway service area is generally far away from the city, and there is no matching sewage treatment system nearby, if the sewage is discharged without treatment, then the surrounding environment will be adversely affected, even causes disputes, affects the normal operation of the service area, and leads to the following problems of highway greening: how to establish an efficient sewage treatment system with limited land area, eliminate the influence of service area sewage on the surrounding environment, how to combine the function structure of artificial wetland with the landscape, improve the landscape quality of service area, and enrich the landscape level of service area, how to realize wastewater recycling, solve the water shortage of service area, how to solve the daily management problem of service area artificial wetland, ensure the stable and efficient operation of the wetland, and realize the economic value of the wetland plants while maintaining the wetland landscape.

[0003] Because the highway is a closed system, the highway service area becomes an important place for passengers to rest during the journey, and the highway service area generally has public toilets, shopping malls, restaurants, parking (car washing) fields, repair stations and gas stations, which is a sewage discharge source of the highway, and the highway service area is generally far away from the city, and there is no matching sewage treatment system nearby, if the sewage is discharged without treatment, then the surrounding environment will be adversely affected, even causes disputes, affects the normal operation of the service area, and leads to the following problems of highway greening: how to establish an efficient sewage treatment system with limited land area, eliminate the influence of service area sewage on the surrounding environment, how to combine the function structure of artificial wetland with the landscape, improve the landscape quality of service area, and enrich the landscape level of service area, how to realize wastewater recycling, solve the water shortage of service area, how to solve the daily management problem of service area artificial wetland, ensure the stable and efficient operation of the wetland, and realize the economic value of the wetland plants while maintaining the wetland landscape.

[0004] To solve the above technical problems, a landscape ecological highway small micro wetland is provided. Utility model content

[0005] Therefore, the utility model provides a landscape ecological highway small micro wetland to solve or alleviate the technical problems in the prior art, and at least provides a beneficial choice.

[0006] The technical scheme of the utility model is as follows: a landscape ecological highway small micro wetland, comprising a plurality of groups of downlink pools and uplink pools arranged adjacently.

[0007] The downflow pool and the upflow pool each comprise a rammed earth layer and a fine sand leveling layer, a coarse gravel, a coarse broken stone and a melon slice broken stone which are sequentially arranged from bottom to top, a waterproof membrane is arranged between the fine sand leveling layer and the coarse gravel, and aquatic plants are planted on the top of the downflow pool and the upflow pool.

[0008] The downflow pool occupies a larger space than the upflow pool, the water distribution direction of the downflow pool is downward, and the water distribution direction of the upflow pool is upward.

[0009] Further preferably, perforated water distribution pipes are arranged in the downflow pool and the upflow pool.

[0010] Further preferably, exhaust pipes are arranged in the downflow pool at equal intervals, and the bottom of the exhaust pipes is poured with concrete.

[0011] Further preferably, PVC pipes are arranged on the top of the upflow pool at equal intervals, and the PVC pipes are communicated with the perforated water distribution pipes.

[0012] Further preferably, the melon slice broken stone has a thickness of 250mm-300mm and a diameter of 10mm-20mm.

[0013] Further preferably, the coarse broken stone has a thickness of 200mm-250mm and a diameter of 30mm-50mm, and the coarse gravel has a thickness of 150mm-200mm and a diameter of 80mm-100mm.

[0014] Further preferably, the waterproof membrane has a thickness of 1.5mm-2mm, and the fine sand leveling layer has a thickness of 8mm-10mm.

[0015] The above technical scheme has the following advantages.

[0016] Firstly, the landscape composite artificial wetland sewage treatment system combines sewage treatment and landscape greening, creates a wetland landscape and a landscape water body while treating sewage, realizes sewage recycling through combination with service area greening irrigation, greatly improves the service area landscape quality, improves the service area quality, increases the stay time of drivers and passengers in the service area, reduces the probability of fatigue driving of drivers, and has a positive significance for ensuring the safety of highway driving.

[0017] Secondly, the artificial wetland has the characteristics of large buffer capacity, good treatment effect, simple process, low investment and low operation cost, and is very suitable for sewage treatment of highways and management offices with conditions.

[0018] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a structural diagram of the present invention;

[0021] Figure 2 This is a longitudinal elevation view of the exhaust pipe of the downstream pool in this utility model;

[0022] Figure 3 This is a longitudinal section view of the downstream pool in this utility model;

[0023] Figure 4 This is a cross-sectional view of the upstream pool in this utility model;

[0024] Figure 5 This is a longitudinal section view of the upward-flowing pool in this utility model.

[0025] Attached reference numerals: 10. Downstream pool; 20. Upstream pool; 11. Compacted subsoil layer; 12. Fine sand leveling layer; 13. Textured waterproof membrane; 14. Rough-surfaced pebbles; 15. Rough-surfaced crushed stone; 16. Pebble-like crushed stone; 17. Aquatic plants; 18. Vent pipe; 19. Concrete; 21. Perforated water distribution pipe; 22. PVC pipe. Detailed Implementation

[0026] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0027] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0028] like Figures 1-5As shown, the utility model embodiment provides a kind of landscape ecological highway small micro-wetland, into five units, every two units is a group, each group is divided into uplink pool 20 and downlink pool 10, last pool is landscape clean water pool, connect greening irrigation system, the area of each pool can be flexibly used according to the change of field topography, but the total area of uplink pool 20 is equal to the total area of downlink pool 10.

[0029] Downlink pool 10 and uplink pool 20 all include rammed soil layer 11 and rammed soil layer 11 from bottom to top sequentially arranged fine sand leveling layer 12, coarse surface pebble 14, coarse surface broken stone 15 and melon seed piece broken stone 16, fine sand leveling layer 12 and coarse surface pebble 14 between being equipped with add wool waterproof membrane 13, the top of downlink pool 10 and uplink pool 20 is planted with aquatic plant 17, and the inside of downlink pool 10 and uplink pool 20 is embedded with perforated water distribution pipe 21, and the inside of downlink pool 10 is embedded with equidistant distribution exhaust pipe 18, and the bottom of exhaust pipe 18 is poured with concrete 19, and the top of uplink pool 20 is equipped with PVC pipe 22.

[0030] In one embodiment, before sewage enters wetland, sedimentation oxidation pond treatment process is used, and sedimentation, air release and preliminary sewage treatment process are completed by special function structure sedimentation tank, to reduce pollutant concentration.

[0031] In one embodiment, aquatic plant 17 is water onion, vetiver, calla, canna, wild rice shoot, reed, yellow calla.

[0032] In one embodiment, melon seed piece broken stone 16 is laid with thickness of 300mm, melon seed piece broken stone 16 is 20mm in diameter, coarse surface broken stone 15 is laid with thickness of 250mm, coarse surface broken stone 15 is 50mm in diameter, coarse surface pebble 14 is laid with thickness of 200mm, coarse surface pebble 14 is 100mm in diameter, add wool waterproof membrane 13 is 2mm in thickness, and fine sand leveling layer 12 is 10mm in thickness.

[0033] The utility model discloses a sewage treatment system, which comprises a sewage inlet, a sewage outlet, a water pump, a pipeline, a downlink pool and an uplink pool.

[0034] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited to this. Any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A landscape ecological expressway small and micro wetland, characterized in that: The application relates to a water purification device, which comprises a plurality of groups of adjacent downflow pools (10) and upflow pools (20); The downflow pool (10) and the upflow pool (20) each comprise a rammed earth layer (11), a fine sand leveling layer (12), a coarse gravel (14), a coarse broken stone (15) and a melon slice broken stone (16) arranged in sequence from bottom to top, a waterproof membrane (13) is arranged between the fine sand leveling layer (12) and the coarse gravel (14), and aquatic plants (17) are planted on the top of the downflow pool (10) and the upflow pool (20). The downflow pool (10) occupies a larger space than the upflow pool (20), the water distribution direction of the downflow pool (10) is downward, and the water distribution direction of the upflow pool (20) is upward.

2. The landscape ecological expressway small and micro wetland according to claim 1, characterized in that: Perforated water distribution pipes (21) are arranged in the downflow pool (10) and the upflow pool (20).

3. The landscape ecological expressway small and micro wetland according to claim 1, characterized in that: Air exhaust pipes (18) are arranged in the downflow pool (10) at equal intervals, and the bottom of the air exhaust pipe (18) is poured with concrete (19).

4. The landscape ecological expressway small and micro wetland according to claim 2, characterized in that: PVC pipes (22) are arranged on the top of the upflow pool (20) at equal intervals, and the PVC pipes (22) are communicated with the perforated water distribution pipes (21).

5. The landscape ecological expressway small and micro wetland according to claim 1, characterized in that: The melon slice broken stone (16) has a thickness of 250mm-300mm, and a diameter of 10mm-20mm.

6. The landscape ecological expressway small and micro wetland according to claim 1, characterized in that: The coarse broken stone (15) has a thickness of 200mm-250mm, a diameter of 30mm-50mm, the coarse gravel (14) has a thickness of 150mm-200mm, and a diameter of 80mm-100mm.

7. The landscape ecological expressway small and micro wetland according to claim 1, characterized in that: The waterproof membrane (13) has a thickness of 1.5mm-2mm, and the fine sand leveling layer (12) has a thickness of 8mm-10mm.

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