CN207362980U - Biological detention area overflow weir - Google Patents
Biological detention area overflow weir Download PDFInfo
- Publication number
- CN207362980U CN207362980U CN201721080223.9U CN201721080223U CN207362980U CN 207362980 U CN207362980 U CN 207362980U CN 201721080223 U CN201721080223 U CN 201721080223U CN 207362980 U CN207362980 U CN 207362980U
- Authority
- CN
- China
- Prior art keywords
- overflow
- downflow weir
- level
- overflow well
- permeable geotextiles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004746 geotextile Substances 0.000 claims abstract description 35
- 239000002689 soil Substances 0.000 claims abstract description 21
- 241000353135 Psenopsis anomala Species 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 9
- 241000446313 Lamella Species 0.000 claims description 8
- 230000009545 invasion Effects 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005706 microflora Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Cultivation Of Plants (AREA)
Abstract
The utility model discloses a biological detention band overflow weir, which comprises an overflow weir and an overflow well, wherein the bottom end of the overflow weir is fixedly connected with the top end of the overflow well, the bottom of the overflow well is provided with a biological filter plate, the top of the biological filter plate is fixedly connected with an overflow port of the overflow weir through a rope, one side of the bottom of the overflow well is provided with a flow guide hole, one end of the flow guide hole is provided with a sewer pipe, and the bottom of the flow guide hole is provided with a melon seed layer and a second-stage water-permeable geotextile; the top of the diversion hole is laid with a rubble layer, a first-level permeable geotextile, improved planting soil and a covering layer, and vegetation is planted on the top of the covering layer. The utility model discloses this through making up overflow well and overflow weir, improve drainage efficiency, reduce ponding, set up two 400 g/square meter two cloth one membrane geotechnological cloth simultaneously and can effectively reduce the invasion of peripheral soil to protect the overflow area.
Description
Technical field
Pumping equipment technical field is the utility model is related to, is specially a kind of biological stranded belt downflow weir.
Background technology
Biology is detained facility and refers in the relatively low region of physical features, is stored by plant, soil and microflora and oozes, purifies footpath
Flow the facility of rainwater.Biological stranded belt is a kind of form that biology is detained facility.Runoff rainwater can pass through road in road and square
Kerb gap enters, and kerbstone gap size and number need to be determined according to calculating such as road longitudinal grades.On the outside of facility structure layer and bottom
Portion should set permeable geotextiles, prevent original soil intrusion around.The water storage layer depth that biology is detained facility should be according to resistance to the flooding property of plant
It can be determined with soil moisture monitoring, generally 200 ~ 300mm, soil removal and replacement layer media type and depth should meet that effluent quality will
Ask, should also conform to planting and afforestation management technique requirement.To prevent soil removal and replacement layer medium to be lost in, soil removal and replacement layer bottom
Permeable geotextiles separation layer is generally set, the layer of sand that can also use thickness to be not less than 100mm（Fine sand and coarse sand）Instead of.Gravel layer
Rise drainage, thickness 300mm, in its bottom embedding caliber be 150mm perforated drain pipe, gravel should clean and particle diameter not
Less than the open pore size of perforated pipe.
The structure that downflow weir overflows for liquid on column plate, has the function that to maintain liquid layer on plate and liquid is uniformly overflowed,
Traditional downflow weir is unreasonable due to designing, and flushing effect is poor, therefore we make this improvement, proposes that a kind of biology is detained
Carry potential overflow weir.
Utility model content
To solve the defects of flushing effect existing in the prior art is poor, the utility model provides a kind of biology and is detained carry potential overflow
Weir.
In order to solve the above-mentioned technical problem, the utility model provides following technical solution：
A kind of biological stranded belt downflow weir of the utility model, including downflow weir and overflow well, the bottom of the downflow weir with
The top of overflow well is fixedly connected, and the bottom of the overflow well is equipped with biofiltration plate, passes through at the top of the biofiltration plate
Rope is fixedly connected with the overflow port of downflow weir, and the bottom side of the overflow well is provided with deflector hole, and the one of the deflector hole
End is provided with sewer water pipe, and the bottom of the deflector hole is provided with melon seeds lamella, and the bottom of the melon seeds lamella is provided with two
The permeable geotextiles of level；Metalling is equipped with the top of the deflector hole, the permeable geotechnique of level-one is equipped with the top of the metalling
Cloth, improvement planting soil is equipped with the top of the level-one geotextiles, coating is equipped with the top of the improvement planting soil, described
The top kind of coating is implanted with vegetation, and the junction of the coating and overflow well is provided with cobblestone buffering area.
Further, the thickness of the metalling is 30cm.
Further, the permeable geotextiles of the level-one and the permeable geotextiles of two level are using two cloth, the one film geotechnique of g/ ㎡
Cloth, and the permeable geotextiles of level-one and the permeable geotextiles of two level stretch out cm.
Further, the top of the downflow weir is less than road surface 20cm, and both sides are obliquely installed, and side slope ratio is 1：3.
Further, the cobblestone buffering area is laid using the cobblestone of 3-5cm.
Further, the overflow port width in the middle part of the downflow weir is 50mm.
Compared with prior art, the utility model has the advantages that：This kind biology stranded belt downflow weir, pass through by
Overflow well is combined with downflow weir, and rainwater is imported into overflow well by downflow weir, passes through the biofiltration plate pair in overflow well
Ponding carries out filtration treatment, and the rainwater after filtering can be directly expelled directly out by the sewer water pipe being arranged in deflector hole, be subtracted
Few ponding, while two pieces of two cloth of 400g/ ㎡, one film geotextiles of setting can effectively reduce the intrusion of Soil Surrounding, so as to overflow band
Protected, coating and overflow well joint are provided with cobblestone buffering area, rainwater can substantially reduced vegetation is rushed
Brush, protects the growth of vegetation.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of biological stranded belt downflow weir of the utility model；
Fig. 2 is a kind of top view of biological stranded belt downflow weir of the utility model.
In figure：1st, downflow weir；2nd, overflow well；3rd, biofiltration plate；4th, deflector hole；5th, sewer water pipe；6th, vegetation；7th, cover
Cap rock；8th, planting soil is improved；9th, the permeable geotextiles of level-one；10th, metalling；11st, melon seeds lamella；12nd, the permeable geotextiles of two level；
13rd, Soil Surrounding；14th, cobblestone buffering area.
Embodiment
To make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, below
With reference to embodiment, the utility model is expanded on further.
As shown in Figs. 1-2, including company is fixed in downflow weir 1 and overflow well 2, the bottom of downflow weir 1 with the top of overflow well 2
Connect, the bottom of overflow well 1 is equipped with biofiltration plate 3, and the top of biofiltration plate 3 is consolidated by the overflow port of rope and downflow weir 1
Fixed connection, the bottom side of overflow well 2 are provided with deflector hole 4, and one end of deflector hole 4 is provided with sewer water pipe 5, deflector hole 4
Bottom be provided with melon seeds lamella 11, the bottom of melon seeds lamella 11 is provided with the permeable geotextiles 12 of two level；The top paving of deflector hole 4
Equipped with metalling 10, the top of metalling 10 is equipped with the permeable geotextiles 9 of level-one, and the top of level-one geotextiles 9 is equipped with improvement
Planting soil 8, the top of improvement planting soil 8 are equipped with coating 7, and the top kind of coating 7 is implanted with vegetation 6, coating 7 and overflow
The junction of well 2 is provided with cobblestone buffering area 14.
Wherein, the thickness of metalling 10 is 30cm, improves the stability of facility.
Wherein, the permeable geotextiles 9 of level-one and the permeable geotextiles 12 of two level use two cloth, the one film geotextiles of 400g/ ㎡,
It is saturating by the permeable geotextiles 9 of level-one and two level and the permeable geotextiles 9 of level-one and the permeable geotextiles 12 of two level stretch out 50cm
Water geotextiles 12 can effectively prevent original soil intrusion around.
Wherein, the top of downflow weir 1 is less than road surface 20cm, and both sides are obliquely installed, and side slope ratio is 1：3, less than road surface
Setting facilitates rainwater to penetrate into, and sets slope surface to effectively improve flushing effect.
Wherein, cobblestone buffering area 14 is laid using the cobblestone of 3-5cm, is effectively prevented by cobblestone buffering area 14
Flushing of the rainwater to coating 7, so as to be protected to vegetation 6.
Wherein, the overflow port width at the middle part of downflow weir 1 is 50mm, is conducive to the infiltration of rainwater.
It should be noted that the utility model is a kind of biological stranded belt downflow weir, when specific, stranded belt is carried out first
Build, excavate a hole that can be used for preventing overflow well 2, place overflow well 2, biofiltration plate is placed in overflow well 2,
The center of top of biofiltration plate 3 is connected by rope with being arranged on the downflow weir 1 at the top of overflow well 2, convenient to biofiltration
Plate 3 is regularly replaced, and a deflector hole 4 is opened up in the side of overflow well 2, and sewer water pipe 5 is laid on deflector hole 4
Inside, deflector hole 4 communicates with sewer water pipe 5, and during the rainy day, ponding is flowed into overflow by the spout hole at the middle part of downflow weir 1
In well 2, then entered in the inside of overflow well 2 by biofiltration plate 3 through carrying out filtration treatment by the deflector hole 4 of side
Into sewer water pipe 5, while a part of ponding can pass sequentially through coating 7, improvement planting soil 8, permeable 9 and of geotextiles of level-one
Metalling 10 is penetrated into deflector hole 4, hence into sewer water pipe 5, reduces surface gathered water, in improvement 8 He of planting soil
The permeable geotextiles 9 of level-one and the permeable geotextiles 12 of two level of 11 bottom of melon seeds lamella setting are provided between metalling 10, are adopted
It is made of 400g/ square metres of two cloth, one film geotextiles, can effectively prevent original soil intrusion around；At the same time in coating 7 and overflow
The position that well 2 contacts is provided with cobblestone buffering area 14, by being laid with the cobblestone of some a diameter of 3-5cm, can effectively prevent
Only flushing of the rainwater to coating 7, so as to protect vegetation 6.
The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply illustrate the utility model principle, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed scope is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of biology stranded belt downflow weir, including downflow weir（1）And overflow well（2）, it is characterised in that the downflow weir（1）
Bottom and overflow well（2）Top be fixedly connected, the overflow well（2）Bottom be equipped with biofiltration plate（3）, the biology
Filter plate（3）Top pass through rope and downflow weir（1）Overflow port be fixedly connected, the overflow well（2）Bottom side set
It is equipped with deflector hole（4）, the deflector hole（4）One end be provided with sewer water pipe（5）, the deflector hole（4）Bottom set
There is melon seeds lamella（11）, the melon seeds lamella（11）Bottom be provided with the permeable geotextiles of two level（12）；The deflector hole（4）'s
Top is equipped with metalling（10）, the metalling（10）Top be equipped with the permeable geotextiles of level-one（9）, the level-one is permeable
Geotextiles（9）Top be equipped with improvement planting soil（8）, the improvement planting soil（8）Top be equipped with coating（7）, institute
State coating（7）Top kind be implanted with vegetation（6）, the coating（7）With overflow well（2）Junction be provided with cobblestone and delay
Rush area（14）.
A kind of 2. biological stranded belt downflow weir according to claim 1, it is characterised in that the metalling（10）Thickness
For 30cm.
A kind of 3. biological stranded belt downflow weir according to claim 1, it is characterised in that the permeable geotextiles of level-one
（9）With the permeable geotextiles of two level（12）Use two cloth, the one film geotextiles of 400g/ ㎡, and the permeable geotextiles of level-one（9）With two
The permeable geotextiles of level（12）Stretch out 50cm.
A kind of 4. biological stranded belt downflow weir according to claim 1, it is characterised in that the downflow weir（1）Top
Less than road surface 20cm, and both sides are obliquely installed, and side slope ratio is 1：3.
A kind of 5. biological stranded belt downflow weir according to claim 1, it is characterised in that the cobblestone buffering area（14）
Laid using the cobblestone of 3-5cm.
A kind of 6. biological stranded belt downflow weir according to claim 1, it is characterised in that the downflow weir（1）Middle part
Overflow port width is 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721080223.9U CN207362980U (en) | 2017-08-28 | 2017-08-28 | Biological detention area overflow weir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721080223.9U CN207362980U (en) | 2017-08-28 | 2017-08-28 | Biological detention area overflow weir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207362980U true CN207362980U (en) | 2018-05-15 |
Family
ID=62350678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721080223.9U Expired - Fee Related CN207362980U (en) | 2017-08-28 | 2017-08-28 | Biological detention area overflow weir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207362980U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386045A (en) * | 2018-10-25 | 2019-02-26 | 中冶京诚工程技术有限公司 | Biological detention pond system |
| CN109469181A (en) * | 2018-11-08 | 2019-03-15 | 江苏永通市政园林建设有限公司 | A kind of sponge urban rainwater collection system |
-
2017
- 2017-08-28 CN CN201721080223.9U patent/CN207362980U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386045A (en) * | 2018-10-25 | 2019-02-26 | 中冶京诚工程技术有限公司 | Biological detention pond system |
| CN109386045B (en) * | 2018-10-25 | 2024-02-06 | 中冶京诚工程技术有限公司 | Biological detention pond system |
| CN109469181A (en) * | 2018-11-08 | 2019-03-15 | 江苏永通市政园林建设有限公司 | A kind of sponge urban rainwater collection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20180828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |