CN219279703U - Rural waterlogging pond water ecological treatment system - Google Patents

Rural waterlogging pond water ecological treatment system Download PDF

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CN219279703U
CN219279703U CN202320869276.8U CN202320869276U CN219279703U CN 219279703 U CN219279703 U CN 219279703U CN 202320869276 U CN202320869276 U CN 202320869276U CN 219279703 U CN219279703 U CN 219279703U
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layer
water
rural
waterlogging
pond
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陈燕玲
黄燕梅
庞冰芳
聂壬婷
陆安馨
梁雪梅
张亚楠
白少元
许丹丹
王慧
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Guilin University of Technology
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Guilin University of Technology
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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Abstract

The utility model discloses a rural waterlogging pond water ecological treatment system, which sequentially comprises the following components: the device comprises four areas, namely a coagulating sedimentation tank, an adsorption tank, an artificial wetland and a clean water tank; the adjacent areas are communicated through water flow channels. The artificial wetland sequentially comprises an aquatic vegetation layer, a gravel layer, a waste material layer and a first cobble layer from top to bottom; a plurality of baffle walls are vertically arranged in the constructed wetland and are used for forming uniform water flow in the constructed wetland bed body. The utility model optimizes the whole structure of the artificial wetland, and utilizes the baffling wall to form repeated and reciprocating baffling for the water in the artificial wetland, thereby ensuring that the water flow can gradually permeate into each layer and improving the purifying effect; by arranging the packing layer below the aquatic vegetation layer, the oxygen-generating action of the plant root system in the packing forms aerobic, anoxic and anaerobic states, so that the degradation of pollutants is promoted; the waste material layer formed by the waste material scraps is adopted, so that the recycling utilization of the solid wastes is realized, and the construction cost of the constructed wetland is reduced.

Description

Rural waterlogging pond water ecological treatment system
Technical Field
The utility model relates to the field of rural sewage treatment, in particular to a rural waterlogging pond water ecological treatment system.
Background
The waterlogging pond is an important component of natural ecology and rural cultural ecology, and along with the construction of modern rural areas, the rainwater and domestic sewage in the rural areas are problematic, so that the deterioration of rural water ecology and water environment is aggravated. The aquatic plants are planted in the artificial wetland mode to remove pollutants in the sewage, so that the purposes of purifying pollution and water storage irrigation are finally achieved, and the sponge of the rural waterlogging pond is promoted. Compared with other artificial wetland ecosystems, the rural waterlogging pond water ecological treatment technology has the characteristics of environmental friendliness, flexible construction and the like, becomes a hotspot for rural sewage treatment, and is gradually and widely applied to removing organic pollutants, nitrogen, phosphorus and other nutritive salts in sewage, and reducing the chromaticity of the sewage.
However, the existing rural waterlogging pond water ecological treatment system requires more materials for constructing the constructed wetland, and has higher cost. And the whole utilization rate of the constructed wetland is not high, and the water treatment effect is poor.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a rural waterlogging pond water ecological treatment system which can reduce the cost of constructing an artificial wetland of the rural waterlogging pond water ecological treatment system and improve the arrangement utilization rate of the artificial wetland.
In order to achieve the above object, the present utility model provides a rural waterlogging pond water ecological treatment system, which sequentially comprises: the device comprises four areas, namely a coagulating sedimentation tank, an adsorption tank, an artificial wetland and a clean water tank; the adjacent areas are communicated through water channels; the coagulating sedimentation Chi Nalian is communicated with a water inlet pipe;
the artificial wetland sequentially comprises an aquatic vegetation layer, a gravel layer, a waste material layer and a first cobble layer from top to bottom; a plurality of baffle walls are vertically arranged in the constructed wetland; the bottom of the baffle wall is fixedly connected with the bottom surface of the constructed wetland, and the top of the baffle wall is flush with the aquatic vegetation layer; and the baffle walls are used for forming the baffle of the water flow in the constructed wetland.
Further optimizing the scheme, in the four areas, adjacent areas of each area are separated by partition walls; the water flow passage is arranged on the partition wall.
Further optimizing the scheme, wherein a plurality of baffle walls are arranged in parallel at equal intervals; one end of the baffle wall is fixedly connected to one partition wall, and the other end of the baffle wall is arranged at intervals with the other partition wall; the two adjacent baffle walls are fixedly connected to the partition walls on the two opposite sides respectively;
according to a further optimization scheme, the water flow channels on two sides of the constructed wetland are respectively arranged at the edge positions of the two opposite sides of the constructed wetland; the two water flow channels are diagonally arranged; the water flow passage for water inflow is communicated with the aquatic vegetation layer; the water flow passage for water outlet is communicated with the first cobble layer.
According to a further optimization scheme, an overflow weir is arranged on the water outlet side of the clean water tank; the overflow weir sequentially comprises a wall layer and a second cobble layer from bottom to top; a plant layer is planted at the top of the second cobble layer; the overall height of the overflow weir is lower than the height of the partition wall.
According to a further optimization scheme, granular activated carbon is distributed in the adsorption tank, and an aerobic aeration device is arranged in the adsorption tank.
Further optimizing scheme, the aspect ratio of the constructed wetland is 2:1-3:1, and the depth is 2.5-3 m.
The utility model discloses the following technical effects:
the utility model optimizes the integral structure of the artificial wetland, utilizes the baffling wall to form repeated and reciprocating baffling for the water in the artificial wetland, ensures that the water flow can gradually permeate into each layer, and has long retention time in the artificial wetland and better purifying effect; through the gravel layer, the waste material layer and the first cobble layer which are arranged below the aquatic vegetation layer, the oxygen-secreting function of the plant root system in the filler forms aerobic, anoxic and anaerobic states, so that the degradation of pollutants is promoted; the waste material layer formed by the waste material scraps can not only utilize the self structure to denitrify and dephosphorize, but also realize the recycling of solid wastes, and reduce the construction cost of the constructed wetland.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are 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 utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view in section of the present utility model;
FIG. 2 is a cut-away top view of the present utility model;
wherein, 1, a water inlet pipe; 2. a coagulating sedimentation tank; 3. an adsorption tank; 4. an artificial wetland; 5. a clean water tank; 6. partition walls; 7. a baffle wall; 8. a gravel layer; 9. a waste material layer; 10. a first cobble layer; 11. a second pebble layer; 12. a plant layer; 13. an aerobic aeration device; 14. a wall layer; 15. an aquatic vegetation layer; 16. and a water flow passage.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-2, the present utility model provides a rural waterlogging pond water ecological treatment system, comprising, in order: four areas of a coagulating sedimentation tank 2, an adsorption tank 3, an artificial wetland 4 and a clean water tank 5; the adjacent areas are communicated through a water flow channel 16; the coagulating sedimentation tank 2 is internally connected with a water inlet pipe 1, and sewage water flows into the system through the water inlet pipe 1.
Specifically, coagulant is used in the coagulating sedimentation tank 2 to purify water, and ferric sulfate is adopted as the coagulant, and the adding amount of the coagulant is 1.0g/L.
In one embodiment of the present utility model, the constructed wetland 4 comprises, from top to bottom, an aquatic vegetation layer 15, a gravel layer 8, a waste layer 9, and a first cobble layer 10; a plurality of baffle walls 7 are also vertically arranged in the constructed wetland 4; the bottom of the baffle wall 7 is fixedly connected with the bottom surface of the constructed wetland 4, and the top of the baffle wall is flush with the aquatic vegetation layer 15; the baffle walls 7 are used for forming the baffle of the water flow in the constructed wetland 4.
It can be appreciated that the constructed wetland 4 transmits oxygen for the water body through the aquatic plants in the aquatic vegetation layer 15, thereby increasing the activity of the water body, and also increasing the land greening area and beautifying the environment; the oxygen-releasing action of plant root system forms aerobic, anoxic and anaerobic states in the filler, promotes the degradation of pollutants, COD and NH + 4 -N, TN, TP are removed. The polluted water is deeply purified through the gravel layer 8, the waste material layer 9 and the first cobble layer 10, and the purified water flows out of the water flow passage 16 into the clean water tank 5. Meanwhile, each layer of the artificial wetland 4 is divided into each baffling area by the baffling wall 7, and people can use the baffling wall 7The water in the constructed wetland 4 forms repeated and reciprocating baffling when flowing to the water outlet end, so that the water flow can be ensured to gradually permeate into each layer, the retention time in the constructed wetland 4 is long, and the purifying effect is better.
Preferably, the waste layer 9 adopts material waste residues such as concrete slag, porcelain slag and the like, so that the self structure can be utilized for denitrification and dephosphorization, the recycling of solid wastes is realized, and the construction cost of the constructed wetland 4 is reduced.
Preferably, the aquatic plants in the vegetation layer are selected from arundo donax, canna and reed, and the combined plant can effectively remove pollutants in water, so that a better purifying effect is achieved.
Specifically, in the constructed wetland 4, the diameter of the gravel layer 8 is 50-80 mm, the thickness of the gravel layer 8 is 200-300 mm, the thickness of the cobble layer is 800-900 mm, and the thickness of the middle waste material layer 9 is 500-600 mm. The plant layer is formed by selecting Arundo donax, canna, reed, and two plants each, planting is performed by taking the group as a unit, the planting distance between every two plants is 150-200 mm, and the planting mode is specific to COD and NH + 4 The removal effect of N, TN and TP is higher, and the purification effect of water is better.
In one embodiment of the utility model, the aspect ratio of the constructed wetland 4 is 2:1-3:1, and the depth is 2.5-3 m.
In one embodiment of the utility model, adjacent areas are separated by partition walls 6; the water flow passage 16 is arranged on the partition wall 6.
In one embodiment of the utility model, a plurality of baffle walls 7 are equidistantly and parallelly arranged; one end of the baffle wall 7 is fixedly connected to one partition wall 6, and the other end of the baffle wall is arranged at intervals with the other partition wall 6; the two adjacent baffle walls 7 are fixedly connected to the partition walls 6 on the two opposite sides respectively;
in one embodiment of the utility model, the water flow channels 16 on two sides of the constructed wetland 4 are respectively arranged at the edge positions of two opposite sides of the constructed wetland 4; the two water flow channels 16 are diagonally arranged; the water flow passage 16 for water inflow is communicated with the aquatic vegetation layer 15; a water flow passage 16 for the effluent communicates with the first pebble layer 10.
Specifically, the baffle wall 7 is arranged close to the water flow channel 16 for water inflow, and the partition wall 6 fixedly connected with one end of the baffle wall is the partition wall 6 provided with the water flow channel 16 for water inflow; the baffle wall 7 is arranged close to the water flow channel 16 for water outlet, and the partition wall 6 fixedly connected with one end of the baffle wall is the partition wall 6 provided with the water flow channel 16 for water outlet; so that the water flow can smoothly flow in the baffling channel formed by the baffling walls 7 without blocking.
In one embodiment of the utility model, the water outlet side of the clean water tank 5 is provided with an overflow weir; the overflow weir comprises a wall layer 14 and a second cobble layer 11 from bottom to top in sequence; the thickness of the second pebble layer 11 is preferably 150 to 200mm. A plant layer 12 is planted on the top of the second cobble layer 11; the overall height of the overflow weir is lower than the height of the partition wall 6.
Preferably, the partition wall 6 and the wall layer 14 are constructed by using pseudo-ginseng gray soil.
It will be appreciated that the water flow is continuously accumulated after entering the clean water basin 5, the water level is gradually increased, and finally flows out through the top of the overflow weir. The plant layer 12 at the top of the overflow weir can assist the seepage water, and the overall height of the overflow weir is lower than the height of the partition wall 6, so that the water flow countercurrent caused by the fact that the water level line of the clean water tank 5 is higher than the height of the top surface of the partition wall 6 can be prevented.
In one embodiment of the utility model, the adsorption tank 3 is internally provided with granular activated carbon and is provided with an aerobic aeration device 13 which can remove COD and NH + 4 -N, TN, TP and reducing the chromaticity of the waterlogging pond water to promote the adsorption effect of the adsorption pond 3.
Preferably, the water retention time of the sewage in the adsorption tank 3 is 1h, and the aeration gas-water ratio is 1:10.
Preferably, the utility model is disposed in a pit formed by digging into the ground. When the artificial wetland system is used, the periphery of the whole system is covered by the land, the heat preservation effect is good, the influence of weather and seasonal factors is small, and a stable microbial community is easy to generate in the artificial wetland 4, so that the decomposition treatment effect of water pollutants is further improved.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (6)

1. An ecological treatment system for rural waterlogging pond water, which is characterized by comprising, in order: four areas of a coagulating sedimentation tank (2), an adsorption tank (3), an artificial wetland (4) and a clean water tank (5); the adjacent areas are communicated through a water flow passage (16); a water inlet pipe (1) is connected in the coagulating sedimentation tank (2);
the artificial wetland (4) comprises an aquatic vegetation layer (15), a gravel layer (8), a waste layer (9) and a first cobble layer (10) from top to bottom in sequence; a plurality of baffle walls (7) are vertically arranged in the constructed wetland (4); the bottom of the baffle wall (7) is fixedly connected with the bottom surface of the constructed wetland (4), and the top of the baffle wall is flush with the aquatic vegetation layer (15); the baffle walls (7) are used for forming the baffle of the water flow in the constructed wetland (4).
2. A rural waterlogging pond water ecological treatment system according to claim 1 wherein adjacent areas are separated by partition walls (6); the water flow passage (16) is arranged on the partition wall (6).
3. The rural waterlogging pond water ecological treatment system according to claim 2, wherein a plurality of baffle walls (7) are equidistantly and parallelly arranged; one end of the baffle wall (7) is fixedly connected to one partition wall (6), and the other end of the baffle wall is arranged at intervals with the other partition wall (6); two adjacent baffle walls (7) are fixedly connected to the partition walls (6) at two opposite sides respectively;
the water flow channels (16) on two sides of the constructed wetland (4) are respectively arranged at the edge positions of two opposite sides of the constructed wetland (4); the two water passing flow passages (16) are diagonally arranged; the water flow passage (16) for water inflow is communicated with the aquatic vegetation layer (15); the water flow passage (16) for water outlet is communicated with the first cobble layer (10).
4. The rural waterlogging pond water ecological treatment system according to claim 2, wherein an overflow weir is arranged on the water outlet side of the clean water pond (5); the overflow weir sequentially comprises a wall layer (14) and a second cobble layer (11) from bottom to top; a plant layer (12) is planted at the top of the second cobble layer (11); the overall height of the overflow weir is lower than the height of the partition wall (6).
5. The rural waterlogging pond water ecological treatment system according to claim 1, wherein granular activated carbon is distributed in the adsorption pond (3), and an aerobic aeration device (13) is arranged in the adsorption pond.
6. The rural waterlogging pond water ecological treatment system according to claim 1, wherein the aspect ratio of the constructed wetland (4) is 2:1-3:1, and the depth is 2.5-3 m.
CN202320869276.8U 2023-04-18 2023-04-18 Rural waterlogging pond water ecological treatment system Active CN219279703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320869276.8U CN219279703U (en) 2023-04-18 2023-04-18 Rural waterlogging pond water ecological treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320869276.8U CN219279703U (en) 2023-04-18 2023-04-18 Rural waterlogging pond water ecological treatment system

Publications (1)

Publication Number Publication Date
CN219279703U true CN219279703U (en) 2023-06-30

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ID=86924339

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Application Number Title Priority Date Filing Date
CN202320869276.8U Active CN219279703U (en) 2023-04-18 2023-04-18 Rural waterlogging pond water ecological treatment system

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CN (1) CN219279703U (en)

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