CN207672720U - A kind of percolation well - Google Patents
A kind of percolation well Download PDFInfo
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- CN207672720U CN207672720U CN201820242905.3U CN201820242905U CN207672720U CN 207672720 U CN207672720 U CN 207672720U CN 201820242905 U CN201820242905 U CN 201820242905U CN 207672720 U CN207672720 U CN 207672720U
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Abstract
A kind of percolation well belongs to environmental construction technical field, it is therefore intended that solves the problems, such as that rainwater discharge existing in the prior art is poor, source emission reduction effect is bad and it is flooded dead local low laying areas flowers occur.A kind of percolation well of the utility model includes：The well body opened up downwards by greenery patches surface；It is arranged in the undermost lower part filter layer of the well body；The middle part filtering adsorption layer being arranged above the lower part filter layer；Top filter frame above middle part filtering adsorption layer is set；Sampling unit in the lower part filter layer is set, the water sample for entering lower part filter layer is collected, the sampling unit is connected to by intake pipe with ground；And it is positioned close to the groundwater monitoring well of the well body position.The percolation well of the utility model is equivalent to rainwater collection pool, adsorbs the harmful substance in rainwater, reaches rainwater purification effect, ensures not cause larger pollution, percolation well to have the function of rapid infiltrated and filtering absorption harmful substance underground water.
Description
Technical field
The utility model belongs to environmental construction technical field, and in particular at a kind of greenery patches applied in Rain Garden
Percolation well.
Background technology
Now, it for the city of many reconstructions of the old city town, during reconstruction of the old city town, needs to carry out Citizens in Old Districts cell
Comprehensive transformation.Because of historical reasons, without rainwater drain facility, the rainwater in cell leans on topography completely for old residential area in old town
It flows into town road Storm Sewer Network nearby.According to part construction requirements, it is green that the greenery patches in cell is transformed into sunk type
Ground, allows the rainwater in cell to be flowed into greenery patches, has not only realized source emission reduction, but also store rainwater for greenery patches.But part is small
The green ground surface soils of Qu Yin are cohesive soil, and infiltration coefficient is small, and excessive rainfall can not permeate the ground, and be drained into city planting ductwork,
" source emission reduction " index is set to substantially reduce.And the rainwater stockpiled is difficult to be seeped into underground, causes the ground at low-lying place in Rain Garden
It is dead by flowers flood.
Utility model content
The purpose of this utility model is that proposing a kind of percolation well, solves rainwater existing in the prior art and discharge poor, source
Head emission reduction effect is bad and the dead problem of local low laying areas flowers flood occurs.
To achieve the above object, a kind of percolation well of the utility model includes：
The well body opened up downwards by greenery patches surface；
It is arranged in the undermost lower part filter layer of the well body；
The middle part filtering adsorption layer being arranged above the lower part filter layer；
Top filter basket above middle part filtering adsorption layer is set；
Sampling unit in the lower part filter layer is set, the water sample for entering lower part filter layer, the sampling are collected
Unit is connected to by intake pipe with ground；
And it is positioned close to the groundwater monitoring well of the well body position.
The well body madial wall is both provided with geotextiles, between well body inner lower filter layer and middle part filtering adsorption layer with
And it is both provided with geotextiles between middle part filtering adsorption layer and top filter basket.
The lower part filter layer is made of the gravel of diameter 30-50.
The sorbing material of the middle part filtering adsorption layer is activated carbon, log charcoal, filter residue, graded gravel or fine sand.
The sorbing material of the middle part filtering adsorption layer is several in activated carbon, log charcoal, filter residue, graded gravel and fine sand
Kind, the different materials in middle part filtering adsorption layer are separated by geotextiles.
The well body bottom is connected to underground sandy gravel stratum.
The top filter basket includes：
Open upper end formula basket, the basket are used as skeleton by stainless steel, and lower face is mesh structure；
It is symmetricly set on two carry hands of the basket upper end；
And the Sign Board on the basket is connected to by connecting rod.
The sampling unit includes：
Frame for water tank；
The stainless steel plate babinet being coated on the outside of the frame for water tank, the babinet are connected to by intake pipe with ground；
It is evenly distributed on multiple water seepage holes of the babinet upper surface.
The frame for water tank is Zinc-coated angle steel, and the intake pipe is vinyl tube.
The groundwater monitoring well spacing is 4m-5m with a distance from percolation well.
The beneficial effects of the utility model are：The percolation well of the utility model is equivalent to rainwater collection pool, and use is permeable
The different media with infiltration, filtering function such as geotextiles package rubble, gravel, cinder, activated carbon are laid in proportion, to ensure
It after rainwater enters the percolation well, quickly permeates the ground, while by the absorption and filtration of cinder, activated carbon etc., adsorbing rain
Harmful substance in water reaches rainwater purification effect, ensures not cause larger pollution, percolation well to have rapid infiltrated underground water
With the function of filtering absorption harmful substance.The rapid osmotic for ensureing rainwater, that is, break the sub-clay layer in greenery patches, rainwater directly passes through
The medium of Thief zone coefficient directly penetrates into underground sandy gravel stratum.The rain penetration rate in greenery patches is set to improve about 1000 times or more (Asias
Clay and sand gravel infiltration coefficient are respectively 6 × 10-8~1 × 10-6 and 1.2 × 10-3~4.1 × 10-3).Ensure rain simultaneously
Water is discharged into underground after filtering, by standard compliant rainwater.Percolation well uses physical filtering method, passes through filtration media material
The programs such as absorption, filtering after, filtered rainwater is discharged into underground present situation sandy gravel stratum.The utility model directly and underground gravel
Layer connection, directly drains, and displacement is met the requirements, and solves rainwater existing in the prior art and discharges poor, source emission reduction effect not
Get well and occur the dead problem of local low laying areas flowers flood.Diafiltration is known by sampling unit and groundwater monitoring unit simultaneously
The water quality of underground water after the filtering situation and mixing underground water of well.
Description of the drawings
Fig. 1 is a kind of percolation well overall structure diagram of the utility model；
Fig. 2 is a kind of percolation well middle and upper part filter basket structural schematic diagram of the utility model；
Fig. 3 is sampling unit structural schematic diagram in a kind of percolation well of the utility model；
Wherein：1, top filter basket, 101, basket, 102, carry hand, 103, Sign Board, 2, middle part filter adsorption layer, 3, under
Portion's filter layer, 4, sampling unit, 401, frame for water tank, 402, babinet, 403, intake pipe, 5, groundwater monitoring well, 6, geotextiles,
7, underground sandy gravel stratum.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
Referring to attached drawing 1, a kind of percolation well of the utility model includes：
The well body opened up downwards by greenery patches surface；
Setting is in the undermost lower part filter layer of the well body 3；
The middle part filtering adsorption layer 2 being arranged above the lower part filter layer 3；
Top filter basket 1 above middle part filtering adsorption layer 2 is set；
Sampling unit 4 in the lower part filter layer 3 is set, the water sample for entering lower part filter layer 3 is collected, it is described to take
Sample unit 4 is connected to by intake pipe 403 with ground；
And it is positioned close to the groundwater monitoring well 5 of the well body position.Groundwater monitoring well 5 beside percolation well away from
From being arranged in 4-5m, depth 12m, diameter 20cm are mainly used for being monitored underground water source, are carried for the diafiltration function of percolation well
For direct detection data.
The well body madial wall is both provided with geotextiles 6, well body inner lower filter layer 3 and middle part filtering adsorption layer 2 it
Between and middle part filtering adsorption layer 2 and top filter basket 1 between be both provided with geotextiles 6.It first will diafiltration in the utility model
Four wall of well is isolated with permeable geotextiles 6, and well surrounding soil is avoided to pour in well.The another permeable geotechnique in one layer of lower berth of first layer cobble basket
Cloth 6, cinder spread one layer of permeable geotextiles 6 under activated carbon, prevent different medium from mixing matter under the impulse force of water, influence infiltration system
Number.Percolation well is integrally wrapped up, has the function that permeable isolation pollutant.
The lower part filter layer 3 is made of the gravel of diameter 30-50, and thickness, which is subject to, reaches present situation sandy gravel stratum, does not have
Suction-operated, but can reach filtering, infiltration effect.
The sorbing material of the middle part filtering adsorption layer 2 is activated carbon, log charcoal, filter residue, graded gravel or fine sand.
The sorbing material of the middle part filtering adsorption layer 2 is in activated carbon, log charcoal, filter residue, graded gravel and fine sand
Several, the different materials in middle part filtering adsorption layer 2 are separated by geotextiles 6.Adsorption layer 2 is filtered at the middle part, is removal rain
The component part of water pollutant is constituted using the material with filtering absorption, and permeable geotextiles 6 one are arranged in filtering adsorption layer lower part
Filter medium in use for some time, when filtering adsorption effect is not achieved, can be cleaned and dried by road, filtering absorbent material
Afterwards, it recharges.
The well body bottom is connected to underground sandy gravel stratum 7.
Referring to attached drawing 2,1 thickness 20cm of the top filter basket, using 2 groups of 1*1m filter baskets, covering 30cm thickness Φ 40-
60mm gravels reach primary filter purpose, and filter basket is hidden in gravel, are convenient for changing filtering adsorption layer, the top filtering
Basket 1 includes：
Open upper end formula basket 101, the basket 101 are used as skeleton by stainless steel, and lower face is mesh structure；
It is symmetricly set on two carry hands 102 of 101 upper end of the basket；
And the Sign Board 103 on the basket 101 is connected to by connecting rod.
Referring to attached drawing 3, the sampling unit 4 includes：
Frame for water tank 401；
It is coated on the stainless steel plate babinet 402 in 401 outside of the frame for water tank, the babinet 402 passes through 403 He of intake pipe
Ground is connected to；
It is evenly distributed on multiple water seepage holes of 402 upper surface of the babinet.
The frame for water tank 401 is Zinc-coated angle steel, and the intake pipe 403 is vinyl tube.
The babinet 402 long 1m, wide 1m, high 0.5m, stainless steel 304 plate welding fabrication, top surface are designed with water seepage hole, can incite somebody to action
In filtered rainwater-collecting to water tank, water sample is taken out by chemical examination monitoring by intake pipe 403, detects the practical diafiltration of percolation well
Effect and object ability of depolluting.
Used in the utility model filtering absorption etc. material selection criterias be respectively：
1, activated carbon, grain size 8mm.Absorbent charcoal material is that have prodigious ratio by the amorphous carbon obtained by working process
Surface area, in liquid inorganic or organic substance and colloidal solid etc. have good adsorption capacity.Activated carbon is by containing charcoal
Based on substance make raw material, through high temperature carbonization and activation hydrophobic adsorbent obtained.Activated carbon contains a large amount of micropores, has huge
Big incomparable surface area, can be effectively removed coloration, stink, can remove most organic pollutants and certain inorganic matters in water,
Including certain toxic heavy metals.
2, log charcoal, monolithic size 50-100mm.Charcoal is that timber or wood material pass through imperfect combustion, or every
It is pyrolyzed under conditions of exhausted air, the remaining dark brown of institute or black porosu solid fuel.Charcoal be to maintain timber originally construction and
The impure amorphous carbon of residual tar in hole.With absorption and filtration.
3, clinker, grain size 20-40mm.Cinder, one kind of industrial solid wastes, thermal power plant, industry and civil boiler
And the waste residue of miscellaneous equipment fire coal discharge, also known as clinker.Main component is silica, aluminium oxide, iron oxide, calcium oxide, oxygen
Change magnesium etc..Since clinker is porosity alkaline matter, so it, which can be used for waste water treatment system, makees filtering material, it to be used for waste water
Oil removing, in terms of the pretreatments such as solid impurity.
4, graded gravel, grain size Φ 30-50mm, grain size Φ 40-60mm.Graded gravel is by grade ovum of all sizes
The mixture of stone composition.It is usually assembled at the stone grain of several grades of different sizes by prescreening, grain size difference generates
Different infiltration coefficients, therefore can have the function that dmp filter.
5, fine sand, grain size are more than the particle of 0.075mm, are more than full weight 85%.Fineness modulus is 2.2-1.6, average grain diameter
For 0.35-0.25mm.Fine sand grain size is smaller, compact texture is generated after compacting, gap is smaller, reaches the work of intercepting pollution for rainwater
With.
6, geotextiles 6, chopped fiber needle-punched geotextiles 6 are non-woven and industrial cloth one kind.It is to use fibre number for 6-
12 denier, the terylene crimped staple that length is 54-64mm is raw material.By the shredding of nonwoven production equipment, comb, in a jumble
Cloth-like is made in the flow of (staple fiber is interweaved together), lapping (normalization is tangled fixed), the production technologies such as needle thorn.It is special
Property：The excellent performances such as product has acid and alkali-resistance, corrosion-resistant, ageing-resistant, intensity is high, dimensionally stable, filterability are good.Main function is
The enhancing of engineering isolation, anti-filter, drains, is widely used in the fields such as water conservancy, highway, railway.
The percolation well design parameter of the utility model is：
Geometric dimension.Bucket type designs, long 3.1m suitable for reading；Upper mouth width 1.5m, go to the bottom long 3m, lower bottom width 1.3m, depth
2.95m.Volume 12.6m3.According to《Jilin Province's sponge urban construction fire protection technology》The hydrology index provided calculates：
Plane perpendicular infiltrating area：3 × 1.3m=3.9m2；
Bottom surface infiltration coefficient：2.6×10-3m/s；
Seep water efficiency for bottom surface：3.9 × 2.6 × 10-3=36.5m3/h；
Side infiltrating area：(3.1+3) × 2.95/2 × 2+ (1.5+1.3) × 2.95/2 × 2=26.3m2；
Side infiltration coefficient：1×10-6m/s；
Seep water efficiency for side：26.3/2 × 1 × 10-6=0.05m3/h；
Percolation well synthesis infiltration efficiency：36.55m3/h。
Claims (10)
1. a kind of percolation well, including：
The well body opened up downwards by greenery patches surface；
It is characterized in that, further including：
It is arranged in the undermost lower part filter layer (3) of the well body；
The middle part filtering adsorption layer (2) being arranged above the lower part filter layer (3)；
Top filter basket (1) above middle part filtering adsorption layer (2) is set；
Sampling unit (4) in the lower part filter layer (3) is set, the water sample for entering lower part filter layer (3) is collected, it is described
Sampling unit (4) is connected to by intake pipe (403) with ground；
And it is positioned close to the groundwater monitoring well (5) of the well body position.
2. a kind of percolation well according to claim 1, which is characterized in that the well body madial wall is both provided with geotextiles
(6), adsorption layer (2) and top mistake are filtered between well body inner lower filter layer (3) and middle part filtering adsorption layer (2) and middle part
It is both provided with geotextiles (6) between filter basket (1).
3. a kind of percolation well according to claim 1, which is characterized in that the lower part filter layer (3) is by diameter 30-50's
Gravel is constituted.
4. a kind of percolation well according to claim 1, which is characterized in that the adsorption material of the middle part filtering adsorption layer (2)
Material is activated carbon, log charcoal, filter residue, graded gravel or fine sand.
5. a kind of percolation well according to claim 1, which is characterized in that the adsorption material of the middle part filtering adsorption layer (2)
Material is several in activated carbon, log charcoal, filter residue, graded gravel and fine sand, and it is logical that the different materials in adsorption layer (2) are filtered at middle part
Cross geotextiles (6) separation.
6. a kind of percolation well according to claim 1, which is characterized in that the well body bottom and underground sandy gravel stratum (7) are even
It is logical.
7. a kind of percolation well according to any one of claim 1-6, which is characterized in that the top filter basket (1)
Including：
Open upper end formula basket (101), the basket (101) are used as skeleton by stainless steel, and lower face is mesh structure；
It is symmetricly set on two carry hands (102) of the basket (101) upper end；
And the Sign Board (103) on the basket (101) is connected to by connecting rod.
8. a kind of percolation well according to any one of claim 1-6, which is characterized in that sampling unit (4) packet
It includes：
Frame for water tank (401)；
The stainless steel plate babinet (402) being coated on the outside of the frame for water tank (401), the babinet (402) pass through intake pipe
(403) it is connected to ground；
It is evenly distributed on multiple water seepage holes of the babinet (402) upper surface.
9. a kind of percolation well according to claim 8, which is characterized in that the frame for water tank (401) is Zinc-coated angle steel, institute
It is vinyl tube to state intake pipe (403).
10. a kind of percolation well according to any one of claim 1-6, which is characterized in that the groundwater monitoring well
(5) it is 4m-5m apart from the distance of percolation well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820242905.3U CN207672720U (en) | 2018-02-10 | 2018-02-10 | A kind of percolation well |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820242905.3U CN207672720U (en) | 2018-02-10 | 2018-02-10 | A kind of percolation well |
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| CN207672720U true CN207672720U (en) | 2018-07-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574270A (en) * | 2018-12-14 | 2019-04-05 | 博大绿泽生态建设集团有限公司 | A method of utilizing active carbon and slag processing rainwater |
-
2018
- 2018-02-10 CN CN201820242905.3U patent/CN207672720U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574270A (en) * | 2018-12-14 | 2019-04-05 | 博大绿泽生态建设集团有限公司 | A method of utilizing active carbon and slag processing rainwater |
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