CN207776053U - It is a kind of for sponge urban construction without catch-basin drainage system - Google Patents
It is a kind of for sponge urban construction without catch-basin drainage system Download PDFInfo
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- CN207776053U CN207776053U CN201721858685.9U CN201721858685U CN207776053U CN 207776053 U CN207776053 U CN 207776053U CN 201721858685 U CN201721858685 U CN 201721858685U CN 207776053 U CN207776053 U CN 207776053U
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- gravel
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- grass planting
- urban construction
- drainage system
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 54
- 239000002689 soil Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000000746 purification Methods 0.000 claims abstract description 15
- 239000004746 geotextile Substances 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 241000255925 Diptera Species 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 241000196324 Embryophyta Species 0.000 description 8
- 239000004575 stone Substances 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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Abstract
The utility model provide it is a kind of for sponge urban construction without catch-basin drainage system comprising be sequentially arranged in from the bottom to top in soil layer and ooze drainage blanket, backfill filter layer and ecological purification layer；It includes that comb is oozed in the perforation for being filled with the gravel sewer of gravel and being embedded in gravel sewer to ooze drainage blanket, and the outside of gravel sewer is coated with geotextiles, and perforation oozes comb and is connected to sewerage system；Ecological purification layer includes kind of the grass planting ditch for being implanted with vegetation and the energy dissipating settling pit at the inlet edge of grass planting ditch.When rainwater enters in system, in grass planting ditch, rainwater, which passes through under three dimensional network and planting soil, to be seeped into original plain soil layer and is oozed under continuing for water storage.Gravel sewer can reinforce rain penetration lining, and the mosquito caused by storage time is long is avoided to grow.The utility model is simple in structure, highly practical, and municipal rainwater on road surface is collected, and prevents surface gathered water and reduces municipal ductwork pressure, by reducing the waste of water resource, energy conservation and environmental protection to the collection of rainwater.
Description
Technical field
It is arranged the utility model is related to sponge urban rainwater and stores technical field more particularly to a kind of for sponge urban construction
Without catch-basin drainage system.
Background technology
In town road pumping equipment process of construction traditional at present, the drainage pattern generally taken is in road two
Setting overflow well and catch-basin, rainwater is directly collected and is converged into catch-basin by overflow well in other greenbelt
It is discharged in municipal Storm Sewer Network.Such efficiency of drainage system is relatively low, and rainwater is untreated to be directly discharged to natural water
More serious water pollution can be caused when middle, and such drainage system needs to be laid with largely in the process of construction of early period
Pipe network and overflow well, increase cost and the effect is unsatisfactory.
Utility model content
It is existed in the prior art or potential shortcoming in view of above-mentioned, the utility model, which provides, a kind of being used for sponge city
City build without catch-basin drainage system, have construction cost low, water body purification effect can also preferably reduce city row simultaneously
Discharge pressure when water system rainfall.
To achieve the above object, the utility model provides a kind of drained without catch-basin for sponge urban construction and is
System comprising be sequentially arranged in from the bottom to top in soil layer and ooze drainage blanket, backfill filter layer and ecological purification layer；It is described to ooze draining
Layer includes gravel sewer filled with gravel and comb is oozed in the perforation that is embedded in the gravel sewer, the gravel sewer it is outer
Portion is coated with geotextiles, and the perforation oozes comb and is connected to sewerage system；The ecological purification layer includes that kind is implanted with vegetation
Grass planting ditch and the energy dissipating settling pit at the inlet edge of the grass planting ditch.
The utility model is used for being without further improve of catch-basin drainage system for sponge urban construction, the plant
Careless bank water (flow) direction is in certain slope.
The utility model is used for being without further improve of catch-basin drainage system for sponge urban construction, the plant
The bottom of careless ditch and side slope are embedded with three dimensional network.
The utility model is used for being without further improve of catch-basin drainage system for sponge urban construction, the plant
The inlet edge of careless ditch is equipped with kerbstone, and the energy dissipating dirt sand basin is set to the inside of the kerbstone.
Further being improved without catch-basin drainage system for sponge urban construction for the utility model is, described to disappear
Energy settling pit is formed with energy dissipating banquette close to the side of the grass planting ditch.
The utility model is used for being without further improve of catch-basin drainage system for sponge urban construction, the plant
It is equipped with along the spaced multiple tracks overfall of water (flow) direction in careless ditch.
Further being improved without catch-basin drainage system for sponge urban construction for the utility model be, described time
It bankets the bottom of filter layer and the soil layer connects, and join interface and be equipped with filter layer.
The utility model is used for being without further improve of catch-basin drainage system for sponge urban construction, the gravel
Stone sewer is set to inside the soil layer.
The utility model is used for being without further improve of catch-basin drainage system for sponge urban construction, the soil
Layer is rammed earth layer.
The utility model is used for being without further improve of catch-basin drainage system for sponge urban construction, the soil
It is alternate in layer to be equipped with gravel sewer described in multiple tracks.
Involved by the utility model be based on a kind of no catch-basin drainage system designed by sponge urban construction theory,
Make rainwater no longer by catch-basin direct emission, but first pass through the absorption and purification of the vegetation in grass-planting ecological ditch, removes
Pollutant in water, then by the filtering of backfill filter layer and its lower be laid with non-woven fabrics, remove the suspension in water body
Particulate matter finally makes storm seepage into being discharged in the pre-set gravel sewer in backfill filter layer lower part.Rainwater is led to
The utilization for crossing sponge facility, reaching makes it fully be absorbed and be purified with soil by vegetation, while accomplishing the row's of reduction amount of rainfall
The vegetation in the greenbelt of road both sides can be nourished using rainwater, also have the function that utilize the purifying rainwaters such as vegetation and soil.
The burden of original sewerage system can not only be reduced in this way, moreover it is possible to play the water storage and purification in city itself to the greatest extent
Ability.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the showing without catch-basin drainage system for sponge urban construction in specific embodiment of the present invention
It is intended to.
In figure：Vegetation -1, the cross-section of river -2, overfall 3, backfill -4, three dimensional network -5, soil layer -6, filter layer -7, gravel
Comb -9, geotextiles -10, kerbstone -11, energy dissipating settling pit -12 are oozed in sewer -8, perforation.
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by this theorys below by way of specific specific example
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific implementation modes are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.
In order to solve the problems such as urban water-body is seriously polluted, rainwater utilization is low, existing road drainability is insufficient, propose
And with the concept in sponge city.The core concept in sponge city is " ooze, is stagnant, store, is net, use, row " six words, implies that and leads to rainwater
The utilization for crossing sponge facility, reaching makes it fully be absorbed and be purified with soil by vegetation, while accomplishing the row's of reduction amount of rainfall
The vegetation in the greenbelt of road both sides can be nourished using rainwater, also have the function that utilize the purifying rainwaters such as vegetation and soil.
The burden of original sewerage system can not only be reduced in this way, moreover it is possible to play the water storage and purification in city itself to the greatest extent
Ability.
A kind of no catch-basin draining system being based on designed by sponge urban construction theory involved by the utility model
System so that rainwater no longer directly by catch-basin direct emission, but first pass through water plant in ecological grass ditch absorption and
Purification is removed the pollutant in water, then by the filtering of back fill course and its lower be laid with non-woven fabrics, is removed in water body
Suspended particulate substance finally makes storm seepage into being discharged in the pre-set gravel sewer in back fill course lower part.
Therefore, the purpose of this utility model is that：For the drainage system scarce capacity of existing road, city it is whole from
The problem of net energy power is unable to reach environmental requirement, provide it is a kind of using sponge urban construction theory be designed without catch-basin arrange
Water system has construction cost low, and water body purification effect can also preferably reduce draining when sewerage system rainfall simultaneously
Pressure achievees the effect that " ooze, is stagnant, store, is net, use, row " of rainwater, while solving rain disasters, efficiently uses rainwater and provide
Source plays the effect in sponge city.
The utility model is described in further details in the following with reference to the drawings and specific embodiments.
As shown in fig.1, in the present embodiment for sponge urban construction without catch-basin drainage system include mainly by
Under supreme be sequentially arranged in soil layer 6 ooze drainage blanket, backfill filter layer and ecological purification layer.Wherein, it is further to ooze drainage blanket
Include gravel sewer 8 filled with gravel and comb 9, the external cladding of gravel sewer 8 are oozed in the perforation being embedded in gravel sewer 8
There are geotextiles 7, perforation to ooze comb 9 and be connected to sewerage system.Ecological purification layer includes kind of the grass planting ditch for being implanted with vegetation 1 and sets
Energy dissipating settling pit 12 in the edge of the flow inlet of grass planting ditch, grass planting ditch excavation are formed in soil layer 6.Backfill filter layer
It is mainly made of backfill 4, backfills in the bottom of grass planting ditch, can be used as the planting soil of the vegetation 1 in grass planting ditch.
The rainwater entrance of grass planting ditch is connected to the rain water channel under the walkway of ground, and when rainfall occurs, rainwater passes through
Rain water channel under walkway enters grass planting ditch.Grass planting bank water (flow) direction is in certain slope so that rainwater can be in grass planting
It is flowed in ditch.When the force of rain is larger, the water velocity flowed into grass planting ditch can also increase, and too fast water velocity can influence grass planting ditch
In vegetation to the detergent power of water body, therefore in grass planting ditch along water (flow) direction every lateral one of the water blocking of setting of a distance
Weir 3 reaches better clean-up effect to control the speed of flow.In addition to this, it there is provision of at the rain water channel mouth of grass planting ditch
Energy-dissipating installation, prevents rainwater to be concentrically formed erosion, and energy-dissipating installation includes the energy dissipating of the edge of the flow inlet set on grass planting ditch
Settling pit 12 and/or energy dissipating banquette, when energy dissipating settling pit 12 and energy dissipating banquette is arranged simultaneously, it is heavy that energy dissipating banquette is formed in energy dissipating
The side of the close grass planting ditch of sand basin.
When rainwater flows into grass planting ditch, the vegetation planted in ditch can play the effect of purifying water body, but its height is unsuitable
Excessively high, vegetation should highly control and be advisable in 100mm~200mm in ditch, and vegetation excess growth can reduce the cross-section of river of grass planting ditch
2, it can then reduce pollutants removal rate if trimming excess.Embedded three dimensional network 5 is also needed along the bottom of grass planting ditch and side slope simultaneously, is increased
The erosion resistibility for adding grass planting ditch prevents prolonged current scour from leading to soil losses.
Further, it is additionally provided with kerbstone 11 in the inlet edge of grass planting ditch, energy dissipating dirt sand basin 12 is set to kerbstone 11
Inside.
By the above-mentioned means, rainwater will not be expelled directly out but first be saved in grass planting ditch, the vegetation in grass planting ditch is utilized
And the adsorption cleaning ability of soil reduces the pollutant in rainwater.Rainwater after preliminary purification then can be from the backfill under grass planting ditch
It is permeated downwards in native filter layer, backfill filter layer can also play certain filtration at this time.At the bottom of backfill filter layer
Portion is connected with native soil 6, and is equipped with one layer of filter layer 10 in the intersection connected, such as non-woven fabrics, is played main
Filtration is eliminated from the particulate contaminants in the downward permeable rainwater of backfill filter layer.Under backfill filter layer
Fang Ze is provided with several gravel sewers 8, and the outside of gravel sewer 8 is coated by geotextiles 7, prevents from infiltrating through in gravel sewer 8
Rainwater is permeable through furrow bank.It is filled with gravel in gravel sewer 8, while being embedded with one at each 8 center of gravel sewer and wearing
Comb 9 is oozed in hole, and the more clean rainwater penetrated into gravel sewer 8 can then ooze the stream of comb 9 by the perforation in gravel sewer 8
Go out, eventually flow in municipal rainwater official website and discharged.
Native soil 6 in the present embodiment uses rammed earth layer, and compacting degree should reach 93%, and gravel sewer 8 is embedded in
The inside of rammed earth layer, the bottom of backfill filter layer.
As the better embodiment of the present embodiment, grass planting ditch submergence depth is about 0.5m, and grass planting ditch grade of side slope is about
1：3, vegetation selects waterlogging plant in grass planting ditch.The highest cross-section of river of grass planting ditch must be less than both sides kerbstone top surface 50mm.It plants
Overfall 3 in careless ditch is not more than the scape stone of 500mm using grain size, constitutes scape stone overfall.Also, scape stone in grass planting ditch
Overfall need to be embedded at least 150mm in backfill filter layer, and the height of the scape stone overfall in grass planting ditch should not be greater than grass planting ditch
One of scape stone overfall is arranged every 15m in grass planting ditch in the cross-section of river.It is laid at grass planting ditch side slope and 30mm under the backfill of lower part
Three dimensional network is to prevent erosion.The thickness of backfill filter layer is about 600mm.The backfill that backfill filter layer uses should be
The preferable planting soil of air-and water-permeable performance.The grain size of gravel used in gravel sewer is 10mm~50mm.It is used in gravel sewer
Geotextiles specification be 400g/m2.PVC-U pipe of the comb using DN110 is oozed in the perforation used in gravel sewer.In gravel sewer
The position that comb is oozed in perforation is located at non-woven fabrics or less 10cm.Ditch depth is 500mm, furrow width 400mm in gravel sewer.
It is applied to sponge urban construction with reference to it without catch-basin drainage system, is further described in above-described embodiment
When working method：When rainfall occurs, rainwater can flow into grass planting ditch by the rain water channel being arranged in the pavement of road both sides
In, form flow.Before flowing into grass planting ditch, the exit of rain water channel can slow down rainwater flow velocity equipped with energy dissipating settling pit and sink
The impurity of the bulky grains such as silt therein drops.Subsequent rainwater can be flowed along grass planting ditch, to avoid the too fast grass planting ditch that washes away of flow velocity from leading
Soil losses are caused, one of scape stone overfall is set at a certain distance in grass planting ditch to slow down rainwater flow velocity again, as far as possible
Increase flowing time of the rainwater in grass planting ditch, utilizes during this period miscellaneous in the water resistant plant absorption cleaning rainwater in grass planting ditch
Matter and pollutant, and it is made slowly to be permeated downwards by the planting soil layer under grass planting ditch, and finally infiltrate into gravel sewer, lead to
Cross in gravel sewer it is pre-buried ooze perforation and ooze comb drain, the rainwater being discharged at this time is more clean rainwater, and pollutant is less,
Reduce the pollution for environment and water body.
It should be noted that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only coordinating
The bright revealed content of book, so that those skilled in the art understands and reads, being not limited to the utility model can implement
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall disclosed in the utility model
Technology contents obtain and can cover in the range of.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " in
Between " and " one " etc. term, be merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Relativeness is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
The above is only the preferred embodiment of the utility model, is not done in any form to the utility model
Limitation is not limited to the utility model although the utility model has been disclosed with preferred embodiment as above, any to be familiar with
Professional and technical personnel, in the range of not departing from technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (10)
1. it is a kind of for sponge urban construction without catch-basin drainage system, it is characterised in that：Including being sequentially arranged in from the bottom to top
Drainage blanket, backfill filter layer and ecological purification layer are oozed in soil layer；The drainage blanket that oozes includes that the gravel filled with gravel oozes
Comb is oozed in ditch and the perforation being embedded in the gravel sewer, and the outside of the gravel sewer is coated with geotextiles, the perforation
It oozes comb and is connected to sewerage system；The ecological purification layer includes that kind is implanted with the grass planting ditch of vegetation and is set to the grass planting ditch
Inlet edge at energy dissipating settling pit.
2. as described in claim 1 for sponge urban construction without catch-basin drainage system, it is characterised in that：The grass planting
Bank water (flow) direction is in certain slope.
3. as described in claim 1 for sponge urban construction without catch-basin drainage system, it is characterised in that：The grass planting
The bottom of ditch and side slope are embedded with three dimensional network.
4. as described in claim 1 for sponge urban construction without catch-basin drainage system, it is characterised in that：The grass planting
The inlet edge of ditch is equipped with kerbstone, and the energy dissipating dirt sand basin is set to the inside of the kerbstone.
5. as described in claim 1 for sponge urban construction without catch-basin drainage system, it is characterised in that：The energy dissipating
Settling pit is formed with energy dissipating banquette close to the side of the grass planting ditch.
6. as described in claim 1 for sponge urban construction without catch-basin drainage system, it is characterised in that：The grass planting
It is equipped with along the spaced multiple tracks overfall of water (flow) direction in ditch.
7. as described in claim 1 for sponge urban construction without catch-basin drainage system, it is characterised in that：The backfill
The bottom of native filter layer is connected with the soil layer, and is joined interface and be equipped with filter layer.
8. as described in claim 1 for sponge urban construction without catch-basin drainage system, it is characterised in that：The gravel
Sewer is set to inside the soil layer.
9. as described in claim 1 for sponge urban construction without catch-basin drainage system, it is characterised in that：The soil layer
For rammed earth layer.
10. as described in claim 1 for sponge urban construction without catch-basin drainage system, it is characterised in that：The soil
It is alternate in layer to be equipped with gravel sewer described in multiple tracks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721858685.9U CN207776053U (en) | 2017-12-27 | 2017-12-27 | It is a kind of for sponge urban construction without catch-basin drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721858685.9U CN207776053U (en) | 2017-12-27 | 2017-12-27 | It is a kind of for sponge urban construction without catch-basin drainage system |
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| Publication Number | Publication Date |
|---|---|
| CN207776053U true CN207776053U (en) | 2018-08-28 |
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| CN201721858685.9U Expired - Fee Related CN207776053U (en) | 2017-12-27 | 2017-12-27 | It is a kind of for sponge urban construction without catch-basin drainage system |
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Cited By (4)
| 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 |
| CN109964746A (en) * | 2019-04-24 | 2019-07-05 | 石家庄市政设计研究院有限责任公司 | A kind of sponge city sunk type greenery patches structure |
| CN110130455A (en) * | 2019-04-26 | 2019-08-16 | 中国能源建设集团广东省电力设计研究院有限公司 | Discharge structure, plant area's drainage system and draining method of construction |
| CN111945825A (en) * | 2020-08-17 | 2020-11-17 | 甘肃省地质调查院 | Method for exploiting underground water in low-permeability thin aquifer |
-
2017
- 2017-12-27 CN CN201721858685.9U patent/CN207776053U/en not_active Expired - Fee Related
Cited By (5)
| 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 |
| CN109964746A (en) * | 2019-04-24 | 2019-07-05 | 石家庄市政设计研究院有限责任公司 | A kind of sponge city sunk type greenery patches structure |
| CN110130455A (en) * | 2019-04-26 | 2019-08-16 | 中国能源建设集团广东省电力设计研究院有限公司 | Discharge structure, plant area's drainage system and draining method of construction |
| CN111945825A (en) * | 2020-08-17 | 2020-11-17 | 甘肃省地质调查院 | Method for exploiting underground water in low-permeability thin aquifer |
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