CN208517231U - The Rain Garden of high-efficient denitrification and dephosphorization - Google Patents

The Rain Garden of high-efficient denitrification and dephosphorization Download PDF

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Publication number
CN208517231U
CN208517231U CN201821042655.5U CN201821042655U CN208517231U CN 208517231 U CN208517231 U CN 208517231U CN 201821042655 U CN201821042655 U CN 201821042655U CN 208517231 U CN208517231 U CN 208517231U
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China
Prior art keywords
foundation pit
dosing
ventilation
dephosphorization
overflow pipe
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CN201821042655.5U
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Chinese (zh)
Inventor
顾亚兰
刘雁丽
张志南
庄凯
王春浩
李立波
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Jin Pu Garden Ltd By Share Ltd
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Jin Pu Garden Ltd By Share Ltd
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Priority to CN201821042655.5U priority Critical patent/CN208517231U/en
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Abstract

The utility model belongs to field of environment engineering technology, and in particular to a kind of Rain Garden of high-efficient denitrification and dephosphorization.It includes foundation pit and the reservoir positioned at bottom of foundation ditch;The foundation pit is enclosed by the permeable wall of surrounding and bottom;The top side of the foundation pit is provided with water inlet pipe, and the bottom side of the reservoir is provided with outlet pipe;Soil horizon, zeolite layer, active carbon layer and gravel layer are successively arranged in the foundation pit from top to bottom;Ventilation dosing overflow pipe is provided in the foundation pit, the soil horizon is stretched out in the upper end of the ventilation dosing overflow pipe, and the lower end of the ventilation dosing overflow pipe sequentially passes through the soil horizon, zeolite layer, active carbon layer and gravel layer and stretches in the reservoir.This Rain Garden can effectively remove heavy metal in rainwater, organic matter and nitrogen phosphorus, not limited by seasonal temperature, and small investment, construction is simple, maintenance management is convenient.

Description

The Rain Garden of high-efficient denitrification and dephosphorization
Technical field
The utility model belongs to field of environment engineering technology, and in particular to a kind of Rain Garden of high-efficient denitrification and dephosphorization.
Background technique
With the continuous development of urbanization, being gradually increased for urban surface Permeable stratum area causes biological habitat constantly to subtract Few, self benign cycle approach of rainwater is obstructed, and urban waterlogging disaster takes place frequently, and becomes the major hidden danger for threatening urban safety.Rainwater Garden refers in natural or artificial low-lying region, by the shallow mouth greenery patches of the formation such as shrub, draft and water plant, in conjunction with storage Water, tank collect the rainwater from ground or roof, to reach rainwater purification, an engineering belonging to a category of rainwater management is arranged It applies.
Rain Garden originates from the U.S. in 20th century, and since introducing China, application is relatively broad, and China has been effectively relieved Urban water pressure and Urban Storm Flood control problem.But China also predominantly stays in rainwater for the application study of Rain Garden In the scale in garden, structure and composition, and also need further to study to rainwater purification effect is improved.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide heavy metal in a kind of removal rainwater, have Machine object and nitrogen phosphorus significant effect, do not limited by seasonal temperature, small investment, construction are simple, the convenient Rain Garden of maintenance management.
To realize the above-mentioned technical purpose, the following technical solution is employed for the utility model: the rainwater flower of high-efficient denitrification and dephosphorization Garden, including foundation pit and positioned at the reservoir of bottom of foundation ditch;The foundation pit is enclosed by the permeable wall of surrounding and bottom;It is described The top side of foundation pit is provided with water inlet pipe, and the bottom side of the reservoir is provided with outlet pipe;
Soil horizon, zeolite layer, active carbon layer and gravel layer are successively arranged in the foundation pit from top to bottom;It is set in the foundation pit It is equipped with ventilation dosing overflow pipe, the soil horizon, the ventilation dosing overflow pipe are stretched out in the upper end of the ventilation dosing overflow pipe Lower end sequentially pass through the soil horizon, zeolite layer, active carbon layer and gravel layer and stretch in the reservoir.
The permeable wall is paved by water-permeable brick as a preferred technical solution,.
It is equipped with lid sieve at the upper end tube nozzle of the ventilation dosing overflow pipe as a preferred technical solution, it is withered for intercepting Branch fallen leaves enter overflow pipe.
The ventilation dosing overflow pipe is hollow steel pipe as a preferred technical solution,.
Several holes are offered on the tube wall of the hollow steel pipe as a preferred technical solution, hole adds for ventilating Medicine.
Due to the adoption of the above technical scheme, the utility model has at least following the utility model has the advantages that according to the utility model Rain Garden, rainwater penetrate into reservoir, the rainwater when rainfall is larger by permeable wall after plant and hypothallus filtration, purification The dosing overflow pipe that can directly be ventilated flow to reservoir purification, cuts down rain peak run-off, reservoir rainwater can flow back through permeable wall To top, efficient circulating water purification system is formed, efficiently removes the nitrogen phosphorus in rainwater.Drug energy in ventilation dosing overflow pipe Enough degrading microorganisms enter modified substrate, promote the formation of matrix granule surface recombination biomembrane, enhance the activity of biomembrane, mention Height constructs the microorganism-matrix system with pollutant strengthened purification effect, further strengthens to the detergent power of pollutant The removal effect of water pollutant, the purification system combined by physics, a variety of methods of chemistry, biological respinse, have high efficiency, Low cost, low-maintenance technology, and the advantages that do not limited by seasonal temperature.Rainwater is penetrated into arid season through permeable wall in reservoir Rain Garden is that plant growth supplies water, it can also be used to be irrigated, carwash etc., effectively recycling rainwater resource.Garden top simultaneously Plant can build green landscape and beautify the environment, and small investment, and construction is simple, and management service is convenient.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model It encloses.Wherein:
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim Range.
As shown in Figure 1, the Rain Garden of high-efficient denitrification and dephosphorization, including foundation pit and positioned at the reservoir 4 of bottom of foundation ditch;Institute Foundation pit is stated to be enclosed by the permeable wall 3 of surrounding and bottom;Top side (being left side in the present embodiment) setting of the foundation pit There is water inlet pipe 1, the bottom side (being right side in the present embodiment) of the reservoir 4 is provided with outlet pipe 11;
Soil horizon 7, zeolite layer 8, active carbon layer 9 and gravel layer 10, soil horizon 7 are successively arranged in the foundation pit from top to bottom Serike 6, plant 6 is preferably using the landscape plant of tall shrub mixed planting;Ventilation dosing overflow pipe 2 is provided in the foundation pit, The soil horizon 7 is stretched out in the upper end of the ventilation dosing overflow pipe 2, and the lower end of the ventilation dosing overflow pipe 2 sequentially passes through institute It states soil horizon 7, zeolite layer 8, active carbon layer 9 and gravel layer 10 and stretches in the reservoir 4, the ventilation dosing overflow pipe 2 are used for overflow, while the dosing that can ventilate.
Wherein, the permeable wall 3 is paved by water-permeable brick.
To prevent dry branches and fallen leaves from entering in overflow pipe, preferably it is arranged at the upper end tube nozzle of the ventilation dosing overflow pipe 2 Lid sieve 5.The ventilation dosing overflow pipe 2 preferably uses hollow steel pipe, can open up on the tube wall of the hollow steel pipe several Hole, hole is for dosing of ventilating.
With reference to Fig. 1, rainwater penetrates into reservoir 4 by permeable wall 3 after plant 6 and hypothallus filtration, purification, works as rainfall Rainwater directly can flow to reservoir 4 through ventilation dosing overflow pipe 2 and purify when larger, cut down rain peak run-off, 4 rainwater of reservoir can It is back to top through permeable wall 3, forms efficient circulating water purification system.Drug in ventilation dosing overflow pipe 2 can degrade micro- Biology enters modified substrate, promotes the formation of matrix granule surface recombination biomembrane, enhances the activity of biomembrane, improves to pollution The detergent power of object constructs the microorganism-matrix system with pollutant strengthened purification effect, further strengthens water pollution The removal effect of object, the purification system combined by physics, chemistry, a variety of methods of biological respinse, efficiently removes the nitrogen in rainwater Phosphorus has many advantages, such as high efficiency, low cost, low-maintenance technology, is not limited by seasonal temperature, the removal rate of nitrogen phosphorus reach 95% with On.It is that the growth of plant 6 is supplied water that rainwater, which penetrates into Rain Garden through permeable wall 3 in arid season, in reservoir 4, builds graceful green Landscape simultaneously can be used for irrigation, carwash etc., effectively recycling rainwater resource, and the Rain Garden small investment, construction letter Single, management service is convenient.
This Rain Garden can be implemented in residential quarter, naturally it is also possible to the road roadside more serious used in pollution.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model It encloses.Any those skilled in the art, it is made under the premise of not departing from the conceptions and principles of the utility model to be equal Variation and modification, should belong to the range of the utility model protection.

Claims (5)

1. the Rain Garden of high-efficient denitrification and dephosphorization, including foundation pit and positioned at the reservoir (4) of bottom of foundation ditch;It is characterized by: The foundation pit is enclosed by the permeable wall (3) of surrounding and bottom;The top side of the foundation pit is provided with water inlet pipe (1), institute The bottom side for stating reservoir is provided with outlet pipe (11);
Soil horizon (7), zeolite layer (8), active carbon layer (9) and gravel layer (10) are successively arranged in the foundation pit from top to bottom;Institute It states and is provided with ventilation dosing overflow pipe (2) in foundation pit, the soil horizon is stretched out in the upper end of the ventilation dosing overflow pipe, described logical The lower end of gas dosing overflow pipe sequentially passes through the soil horizon, zeolite layer, active carbon layer and gravel layer and stretches to the water storage In pond.
2. the Rain Garden of high-efficient denitrification and dephosphorization as described in claim 1, it is characterised in that: the permeable wall (3) is by permeable Brick is paved.
3. the Rain Garden of high-efficient denitrification and dephosphorization as claimed in claim 1 or 2, it is characterised in that: the ventilation dosing overflow It manages and is equipped with lid sieve (5) at the upper end tube nozzle of (2).
4. the Rain Garden of high-efficient denitrification and dephosphorization as claimed in claim 3, it is characterised in that: the ventilation dosing overflow pipe It (2) is hollow steel pipe.
5. the Rain Garden of high-efficient denitrification and dephosphorization as claimed in claim 4, it is characterised in that: on the tube wall of the hollow steel pipe Offer several holes.
CN201821042655.5U 2018-07-03 2018-07-03 The Rain Garden of high-efficient denitrification and dephosphorization Active CN208517231U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821042655.5U CN208517231U (en) 2018-07-03 2018-07-03 The Rain Garden of high-efficient denitrification and dephosphorization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821042655.5U CN208517231U (en) 2018-07-03 2018-07-03 The Rain Garden of high-efficient denitrification and dephosphorization

Publications (1)

Publication Number Publication Date
CN208517231U true CN208517231U (en) 2019-02-19

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CN201821042655.5U Active CN208517231U (en) 2018-07-03 2018-07-03 The Rain Garden of high-efficient denitrification and dephosphorization

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112607869A (en) * 2020-12-10 2021-04-06 上海林海生态技术股份有限公司 Plant filter tank and method suitable for ecological toilet flushing water treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112607869A (en) * 2020-12-10 2021-04-06 上海林海生态技术股份有限公司 Plant filter tank and method suitable for ecological toilet flushing water treatment

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