CN207845448U - A kind of road is used to go the rainwater biology delaying basin of removing heavy metals - Google Patents
A kind of road is used to go the rainwater biology delaying basin of removing heavy metals Download PDFInfo
- Publication number
- CN207845448U CN207845448U CN201820095130.1U CN201820095130U CN207845448U CN 207845448 U CN207845448 U CN 207845448U CN 201820095130 U CN201820095130 U CN 201820095130U CN 207845448 U CN207845448 U CN 207845448U
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- China
- Prior art keywords
- heavy metal
- delaying basin
- rainwater
- filter column
- overflow well
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Abstract
The utility model discloses the rainwater biology delaying basins that a kind of road is used to go removing heavy metals, biological delaying basin is arranged in the side of trepanning curb, the junction in biological delaying basin and highway is arranged not higher than the trepanning on trepanning curb, impervious barrier in the top of biological delaying basin；Biological delaying basin includes layer of plants, filter layer, transition zone and drainage blanket successively from top to bottom；Perforated drain pipe is arranged in drainage blanket, and overflow well is arranged in the side of biological delaying basin, lower end and the rain pipe unicom of overflow well, and heavy metal Filter column is arranged in the bottom of overflow well, and positioned at the top of rain pipe；Level height residing for heavy metal Filter column is not higher than drainage blanket, and upper end is connect with perforated drain pipe, and lower end is equipped with drainpipe, and the lumen loading of heavy metal Filter column has the replaceable filter core for adsorbing heavy metal.The utility model has very high removal rate to the heavy metal in rainwater, and can continue the heavy metal in removal rainwater.
Description
Technical field
The utility model belongs to rainwater treatment technical field, and in particular to a kind of road is used to go the rainwater of removing heavy metals
Biological delaying basin.
Background technology
With the continuous improvement of China's expanding economy and living standards of the people, automobile comes into average family, more next
More automobiles drive into highway.Due to the discharge of vehicle exhaust, the leakage of fuel and the abrasion of tire, highway pavement rainwater diameter
The concentration of heavy metal is very big in stream, enters to be seeped into soil and migrates, can serious polluted underground water.How rainfall runoff is preferably removed
In heavy metal, be the problem of we should pay close attention to now.
Biological delaying basin is preferable to the retention effect of heavy metal, and wherein coating plays a major role to the absorption of heavy metal.
However soil filler has certain saturation period, can extend the saturation period of filler by gathering in the method for plant, but have
Studies have shown that soil filler is generally 88%~97% to the delay of heavy metal, and accumulation of the heavy metal in plant only has
0.5%~3.3%, root system is apparently higher than rhizome position to the absorption of heavy metal, so if unit area in biological delaying basin
Plant products are relatively low, then realizing that filler saturation regeneration is just highly difficult.Once soil filler is saturated, will be unable to the weight in rainwater
Metal continues Adsorption.
Utility model content
To solve problems of the prior art, the purpose of the utility model is to provide a kind of roads for going
The rainwater biology delaying basin of removing heavy metals, the utility model has very high removal rate to the heavy metal in rainwater, and can hold
Heavy metal in continuous removal rainwater.
The purpose of this utility model is achieved through the following technical solutions：
A kind of road is used to go the rainwater biology delaying basin of removing heavy metals, including trepanning curb, biological delaying basin, perforation
Drainpipe, overflow well, heavy metal Filter column, impervious barrier and rain pipe, biological delaying basin are arranged in the side of trepanning curb, biology
For level height at the top of delaying basin not higher than the trepanning on trepanning curb, the connection in biological delaying basin and highway is arranged in impervious barrier
Place；Biological delaying basin includes layer of plants, filter layer, transition zone and drainage blanket successively from top to bottom；Perforated drain pipe setting is being arranged
In water layer, overflow well is arranged in the side of biological delaying basin, lower end and the rain pipe unicom of overflow well, the setting of heavy metal Filter column
In the bottom of overflow well；Level height residing for heavy metal Filter column is not higher than drainage blanket, and upper end is connect with perforated drain pipe, lower end
Equipped with drainpipe, the water outlet of drainpipe is located in overflow well, and the lumen loading of heavy metal Filter column has replaceable for inhaling
The filter core of attached heavy metal.
Transition zone and drainage blanket are disposed as side height, the low incline structure in side, and overflow well is arranged in transition zone and row
The lower side of water layer, level height residing for heavy metal Filter column are not higher than the level height of drainage blanket minimum point.
Trepanning curb and overflow well are separately positioned on the opposite both sides of biological delaying basin.
Heavy metal Filter column be the open tubular column with upper bottom, inside be arranged in parallel with from top to bottom several will a huge sum of money
Belong to the partition board that Filter column inner cavity is divided into snakelike cavity.
It is hinged between the upper bottom and the cylinder of heavy metal Filter column lower part of heavy metal Filter column.
It according to mass ratio is 25 that filter core, which is by granular activated carbon and sodium titanate nanofiber,:1 mixing being uniformly mixed
Object.
The filler of filter layer is fine sand；Transition zone filler is coarse sand；Drainage blanket filler is gravel.
Drainpipe is equipped with the check valve prevented in aqueous reflux to heavy metal Filter column.
The beneficial effects of the utility model are as follows：
Rainwater-collecting on highway can be got up to discharge into biological delaying basin by the utility model by trepanning curb, biology
The rainwater being collected into is filtered by delaying basin by layer of plants, filter layer and transition zone, and filtered rainwater enters drainage blanket,
Perforated drain pipe is arranged in drainage blanket, therefore the rainwater in drainage blanket can enter perforation row by the hole on perforated drain pipe
Inside water pipe, the rainwater collected is imported heavy metal Filter column by perforated drain pipe, and rain is fallen in the adsorption filtration of heavy metal Filter column
Heavy metal in water, then the rainwater for removing heavy metal is drained into overflow well, overflow well is by the rainwater being pooled to and through heavy metal
The water of Filter column filtering drains into rain pipe, and the water in overflow well is discharged into municipal storm sewer system by rain pipe；Due to a huge sum of money
Belong to level height residing for Filter column and be not higher than drainage blanket, therefore in the filter process of rainwater, gravity can be fully relied on and flowed
Dynamic and filtering, without using other power, has the characteristics that energy conservation and environmental protection；The replaceable use of the lumen loading of heavy metal Filter column
In the filter core of absorption heavy metal, filter core can be regularly replaced when filter core absorption reaches saturation according to experimental test data so that
The utility model can continue the heavy metal in removal rainwater.
Description of the drawings
Fig. 1 is the plan view for the rainwater biology delaying basin that the utility model road is used to go removing heavy metals.
Fig. 2 is the sectional view for the rainwater biology delaying basin that the utility model road is used to go removing heavy metals.
Fig. 3 is the sectional view of the heavy metal Filter column of Fig. 1.
In figure, 1- trepanning curbs, 2- biology delaying basins, 21- layer of plants, 22- filter layers, 23- transition zones, 24- drainage blankets,
3- overflow wells, 4- heavy metal Filter columns, 41- partition boards, 42- drainpipes, 5- perforated drain pipes, 6- impervious barriers, 7- rain pipes.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.
As shown in FIG. 1 to 3, the road of the utility model is used to go the rainwater biology delaying basin of removing heavy metals, including
Trepanning curb 1, biological delaying basin 2, perforated drain pipe 5, overflow well 3, heavy metal Filter column 4, impervious barrier 6 and rain pipe 7, biology
Delaying basin 2 is arranged in the side of trepanning curb 1, and the top of biological delaying basin 2 is not higher than the trepanning on trepanning curb 1, impervious barrier 6
It is arranged in the junction of biological delaying basin 2 and highway；Biological delaying basin 2 from top to bottom successively include layer of plants 21, filter layer 22,
The filler of transition zone 23 and drainage blanket 24, filter layer 22 is fine sand, and 23 filler of transition zone is coarse sand, and 24 filler of drainage blanket is gravel
Stone；Perforated drain pipe 5 is arranged in drainage blanket 24, and overflow well 3 is arranged in the side of biological delaying basin 2, the lower end of overflow well 3 with
7 unicom of rain pipe, heavy metal Filter column 4 are arranged in the bottom of overflow well 3；Level height is not higher than residing for heavy metal Filter column 4
Drainage blanket 24, upper end are connect with perforated drain pipe 5, and lower end is equipped with drainpipe 42, and the water outlet of drainpipe 42 is located at overflow well 3
Interior, drainpipe 42 is equipped with the check valve prevented in the aqueous reflux to heavy metal Filter column 4 in overflow well, heavy metal Filter column 4
Lumen loading to have the replaceable filter core for adsorbing heavy metal, filter core be to be pressed by granular activated carbon and sodium titanate nanofiber
It is 25 according to mass ratio:1 mixture being uniformly mixed.
Such as Fig. 2, in the utility model, transition zone 23 and drainage blanket 24 are disposed as side height, the low incline structure in side,
The setting of overflow well 3 is in 24 lower side of transition zone 23 and drainage blanket, and level height is not higher than draining residing for heavy metal Filter column 4
The level height of 24 minimum point of layer；Trepanning curb 1 and overflow well 3 are separately positioned on the opposite both sides of biological delaying basin 2, Neng Gouzeng
The trickling distance for adding rainwater, is conducive to the filtration, purification to rainwater, and the setting of trepanning curb 1 is higher in transition zone 23 and drainage blanket 24
Side, overflow well 3 be arranged in 24 lower side of transition zone 23 and drainage blanket, be conducive to rainwater so under gravity
Automatic flowing, additionally it is possible to prevent ponding.
Such as Fig. 3, heavy metal Filter column 4 is the open tubular column with upper bottom, inside be arranged in parallel with from top to bottom it is several
A partition board 41 that 4 inner cavity of heavy metal Filter column is divided into snakelike cavity, can increase the trickling containing heavy metal rainwater in this way
Path can come into full contact with filter core, can achieve the purpose that preferably to filter out heavy metal；The upper bottom of heavy metal Filter column 4 with
It is hinged between the cylinder of 4 lower part of heavy metal Filter column, be conducive to replace filter core in this way, heavy metal Filter column 4 can be made
Persistently remove the heavy metal in rainwater.
The road of the utility model is used to go the rainwater biology delaying basin of removing heavy metals to be carried out to the heavy metal in runoff
The removal strengthened, the sorbing material of use is the mixture of granular activated carbon and sodium titanate nanofiber so that heavy metal mistake
Filter column 4 is up to 99% to the removal rate of heavy metal in rainwater, can prevent the heavy metal of high concentration from entering to be seeped into soil and migrate, dirty
Contaminate underground water；Wherein sodium titanate nanofiber has big specific surface area, the synthetic method being simple and efficient, unique mesoporous stratiform
Structure and excellent ion-exchange performance, are a kind of ideal new adsorbents, and experiment shows granular activated carbon and metatitanic acid
Sodium nanofiber is 25 by weight：1 is mixed, and absorption heavy metal amount is 80 times that same weight only has granular activated carbon,
The metal filtration column is up to 99% to the removal rate of most of heavy metal in rainwater；The utility model, which is provided with, has snakelike inner cavity
Heavy metal Filter column, identical size Filter column carry out heavy metal adsorption when, increase contact of the rainwater with adsorption particle
Time preferably removes removing heavy metals；Meanwhile biological delaying basin is stored rainfall runoff, is permeated, is purified, and reduces to be formed
The risk of waterlogging.
Embodiment
In the present embodiment, the size of biological delaying basin 2 is：It is 5 meters long, it is 3 meters wide；Biological delaying basin 2 is followed successively by from top to bottom
Layer of plants 21, filter layer 22, transition zone 23 and drainage blanket 24；Wherein, 22 filler of filter layer be fine sand, the content of organic matter 3%, outside
Nutrition Soil is mixed, pH is neutrality；23 filler of transition zone is coarse sand；24 filler of drainage blanket is gravel.Perforated drain pipe 5 is placed in drainage blanket
In 24 gravels.Overflow well 3 is arranged in the other side of biological delaying basin 2, and rain pipe 7 is placed in the bottom of overflow well 3.
Heavy metal Filter column 4 is placed in overflow well 3, laterally attached with perforated drain pipe 5, setting in heavy metal Filter column 4
Filter column is divided into four gallery type sorption channels by three parallel partition boards 41, three parallel partition boards 41, filler particles in channel
The weight ratio of the mixture of activated carbon and sodium titanate nanofiber, granular activated carbon and sodium titanate nanofiber is 25：1；Rainwater
Stream flows into overflow well 3 after heavy metal filter column 4 from drainpipe 42, then rain pipe 7 is flowed into from overflow well 3, and then is discharged into city
Political affairs pipe network.It can be opened on heavy metal Filter column 4, when absorption reaches saturation, can manually take out and replace adsorption material therein
Material.
Claims (8)
1. a kind of road is used to go the rainwater biology delaying basin of removing heavy metals, which is characterized in that including trepanning curb (1), life
Object delaying basin (2), perforated drain pipe (5), overflow well (3), heavy metal Filter column (4), impervious barrier (6) and rain pipe (7), biology
The level height that delaying basin (2) is arranged at the top of the side of trepanning curb (1), biological delaying basin (2) is not higher than trepanning curb (1)
On trepanning, impervious barrier (6) be arranged biological delaying basin (2) and highway junction；Biological delaying basin (2) is from top to bottom successively
Including layer of plants (21), filter layer (22), transition zone (23) and drainage blanket (24)；Perforated drain pipe (5) is arranged in drainage blanket
(24) in, overflow well (3) setting is in the side of biological delaying basin (2), lower end and rain pipe (7) unicom of overflow well (3), a huge sum of money
Belong to Filter column (4) to be arranged in the bottom of overflow well (3)；Level height residing for heavy metal Filter column (4) is not higher than drainage blanket (24),
Upper end is connect with perforated drain pipe (5), and lower end is equipped with drainpipe (42), and the water outlet of drainpipe (42) is located in overflow well (3),
The lumen loading of heavy metal Filter column (4) has the replaceable filter core for adsorbing heavy metal.
2. rainwater biology delaying basin according to claim 1, which is characterized in that transition zone (23) and drainage blanket (24) are all provided with
It is set to side height, the low incline structure in side, overflow well (3) is arranged in transition zone (23) and drainage blanket (24) lower side.
3. rainwater biology delaying basin according to claim 1 or 2, which is characterized in that trepanning curb (1) and overflow well (3)
It is separately positioned on the opposite both sides of biological delaying basin (2).
4. rainwater biology delaying basin according to claim 1, which is characterized in that heavy metal Filter column (4) is with upper and lower
The open tubular column at bottom, inside be arranged in parallel with several from top to bottom heavy metal Filter column (4) inner cavity be divided into snakelike cavity
Partition board (41).
5. rainwater biology delaying basin according to claim 4, which is characterized in that the upper bottom of heavy metal Filter column (4) with again
It is hinged between the cylinder of metal filtration column (4) lower part.
6. rainwater biology delaying basin according to claim 1, which is characterized in that filter core is by granular activated carbon and sodium titanate
Nanofiber is 25 according to mass ratio:1 mixture being uniformly mixed.
7. rainwater biology delaying basin according to claim 1, which is characterized in that the filler of filter layer (22) is fine sand；It crosses
It is coarse sand to cross layer (23) filler；Drainage blanket (24) filler is gravel.
8. rainwater biology delaying basin according to claim 1, which is characterized in that drainpipe (42), which is equipped with, prevents aqueous reflux
Check valve into heavy metal Filter column (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820095130.1U CN207845448U (en) | 2018-01-20 | 2018-01-20 | A kind of road is used to go the rainwater biology delaying basin of removing heavy metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820095130.1U CN207845448U (en) | 2018-01-20 | 2018-01-20 | A kind of road is used to go the rainwater biology delaying basin of removing heavy metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207845448U true CN207845448U (en) | 2018-09-11 |
Family
ID=63415578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820095130.1U Expired - Fee Related CN207845448U (en) | 2018-01-20 | 2018-01-20 | A kind of road is used to go the rainwater biology delaying basin of removing heavy metals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207845448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002669A (en) * | 2018-01-20 | 2018-05-08 | 长安大学 | A kind of road is used for the rainwater biology delaying basin for removing removing heavy metals |
-
2018
- 2018-01-20 CN CN201820095130.1U patent/CN207845448U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002669A (en) * | 2018-01-20 | 2018-05-08 | 长安大学 | A kind of road is used for the rainwater biology delaying basin for removing removing heavy metals |
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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: 20180911 Termination date: 20190120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |