CN106630294A - Decontaminating and water-permeable pavement system - Google Patents
Decontaminating and water-permeable pavement system Download PDFInfo
- Publication number
- CN106630294A CN106630294A CN201710010777.XA CN201710010777A CN106630294A CN 106630294 A CN106630294 A CN 106630294A CN 201710010777 A CN201710010777 A CN 201710010777A CN 106630294 A CN106630294 A CN 106630294A
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- Prior art keywords
- water
- bed course
- permeable
- oil suction
- runoff
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 19
- 231100000719 pollutant Toxicity 0.000 claims abstract description 19
- 230000003139 buffering effect Effects 0.000 claims abstract description 6
- 239000002689 soil Substances 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 25
- 229910021536 Zeolite Inorganic materials 0.000 claims description 15
- 238000005202 decontamination Methods 0.000 claims description 15
- 230000003588 decontaminative effect Effects 0.000 claims description 15
- 238000001179 sorption measurement Methods 0.000 claims description 15
- 239000010457 zeolite Substances 0.000 claims description 15
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 14
- 239000011449 brick Substances 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000011380 pervious concrete Substances 0.000 claims description 4
- 230000003204 osmotic effect Effects 0.000 claims description 3
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 abstract description 10
- 238000003912 environmental pollution Methods 0.000 abstract description 6
- 239000012466 permeate Substances 0.000 abstract description 3
- 239000000356 contaminant Substances 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000010410 layer Substances 0.000 description 8
- -1 polypropylene Polymers 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000003673 groundwater Substances 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910001385 heavy metal Inorganic materials 0.000 description 5
- 230000003993 interaction Effects 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 231100000252 nontoxic Toxicity 0.000 description 5
- 230000003000 nontoxic effect Effects 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000001994 activation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention belongs to the technical field of water-permeable pavements and particularly discloses a decontaminating and water-permeable pavement system. The structure of the decontaminating and water-permeable pavement system from top to bottom is as follows separately: a water-permeable layer is used for rapidly permeating and draining rainwater or accumulated water of a pavement and can temporarily store rainwater which is not drained by the water-permeable layer; a leveling layer is a structural layer which is used for carrying out buffering and permeating water, and a leveling, strengthening and reinforcing system structure is arranged on an oil suction cushion layer; the oil suction cushion layer is used for adsorbing and removing oil stains from runoff, so that the oil stains cannot block up water-permeable channels or permeate underground; the oil suction cushion layer can be replaced with a pollutant suction cushion layer, or the oil suction cushion layer and the pollutant suction cushion layer are used in a merged manner, and the oil suction cushion layer is located above the pollutant suction cushion layer; the pollutant suction cushion layer is used for adsorbing and removing oil pollutants from the runoff; a water storage cushion layer is used for storing and diverting runoff rainwater. According to the decontaminating and water-permeable pavement system, the condition that the water-permeable channels are blocked up by the oil stains can be avoided, and the pollutants and particulate matters in permeated runoff can be filtered and purified. The decontaminating and water-permeable pavement system can be used for preventing the oil stains, nitrogen-phosphorus pollutants and various micro contaminants from entering underground and causing severe environmental pollution.
Description
Technical field
The invention belongs to permeable pavement technical field, and in particular to a kind of decontamination permeable pavement system.
Background technology
With the development of urbanization, original natural vegetation is constantly replaced by building and non-permeable hardened ground,
This changes the natural permeable attribute of natural soils vegetation and underlayer, so as to destroy the Nature in gentle original of water follow
Ring.Hardened ground makes rainwater be lost in from ground or be fallen by solar evaporation, has blocked the approach of the direct recharge of groundwater of precipitation；And hold
Easily surface gathered water, reduces the comfortableness and security of road, causes heavy rain season waterlogging to take place frequently.
In order to ensure sustainable development, carry out Application of Urban Rain Water, in recent years permeable pavement system obtains more and more wider
General application.Permeable pavement system, can make full use of rainwater resource, improve the self-purification ability of enviroment, improve the ecological environment, and reduce building
If project region runoff coefficient, reduce effluent stream amount, mitigate Flood Control in Certain Area pressure, realize the Sustainable Exploitation of water resource with
Utilize, realize getting along amiably and peacefully for man and nature.
Permeable pavement system referred to the higher materials application of permeable good, porosity in surface layer, basic unit even soil matrix,
On the premise of the certain road intensity of guarantee and durability, rainwater is smoothly entered inside decking system, faced by having
When water storage capacity basic unit, it is directly lower to penetrate into soil matrix or into paving internal drainage pipe, so as to reaching rainwater reduction underground and disappearing
Except rainwash.
The pollutant on the ground such as construction site, road, factory would generally be taken away in road and garden rainfall runoff, causes rainwater
In contain many greasy dirts, and can there is certain nitrogen and phosphorus pollution thing in rainfall runoff.Current permeable pavement system is only for road
The seepage problem in face, is only to arrange pervious bed to be permeated, it is impossible to which the pollutants such as the greasy dirt in runoff, nitrogen phosphorus are removed,
If runoff is directly infiltered into underground by existing permeable pavement, greasy dirt and nitrogen phosphorus, serious problem of environmental pollution is caused.It is existing
There is technology also not efficiently solve method.
The content of the invention
It is an object of the invention to overcome weak point of the prior art, there is provided a kind of decontamination permeable pavement system,
The present invention can adsorb to the greasy dirt in lower seepage paths stream, it is to avoid greasy dirt blocks water-permeable passage, while preventing greasy dirt from entering ground
Under cause serious environmental pollution.The present invention can carry out filtration, purification to the particulate matter in lower seepage paths stream, and under effectively adsorbing
The pollutants such as the nitrogen phosphorus in seepage paths stream, it is to avoid it is polluted into underground.And, the present invention can promote rainfall runoff to discharge
To soil, so as to playing a part of to avoid road table ponding, adjusting road table temperature and humidity, recharging groundwater point.
To achieve these goals, the technical solution adopted in the present invention is as follows：
The invention provides a kind of decontamination permeable pavement system,
Top-down structure includes pervious bed, screed-coat, schmutzdecke and water storage bed course；
The pervious bed is used for rapid osmotic and drains rainwater on road surface or ponding, and it is undischarged temporarily to store pervious bed
Rainwater；
The screed-coat is leveling, reinforcement and reinforcement system knot on schmutzdecke for buffering and permeable techonosphere
Structure；
The pollution that the schmutzdecke is used in Adsorption runoff；
The water storage bed course is used for storage and water conservancy diversion runoff rainwater；
Wherein, the schmutzdecke includes oil suction bed course and/or soil pick-up bed course；
When the schmutzdecke includes oil suction bed course and soil pick-up bed course, the oil suction bed course is in the top of the soil pick-up bed course；
The greasy dirt that the oil suction bed course is used in Adsorption runoff, prevents greasy dirt from blocking water-permeable passage or penetrating into ground
Under；
The pollutant that the soil pick-up bed course is used in Adsorption runoff；And adsorb the micropollutants in water.
Further, the seepy material of the pervious bed is adopted in water-permeable cement concrete, water-permeable brick or lawn brick extremely
Few one kind.
Further, the porosity of the pervious bed is more than 20%.
Further, the thickness of the pervious bed is 30-60mm.
Further, sand during the material of the screed-coat is adopted.
Further, the particle diameter of the middle sand is 0.3-5mm.
Further, the thickness of the screed-coat is 20-30mm.
Further, the thickness of the oil suction bed course is 30-40mm.
Further, the material of the oil suction bed course is made up of pervious concrete or gravel, is set in the centre of oil suction bed course
There is oil suction rug.
Further, the oil suction rug is layer 2-3.
Further, the thickness of the oil suction rug is 2-3mm.
Further, the soil pick-up cushion thickness is 50-80mm.
Further, the material of the soil pick-up bed course is active zeolite and gravel according to 1:1 volume ratio uniformly mixes.
Further, the average grain diameter of the active zeolite and the gravel is 10-20mm.
Further, soil pick-up bed course absorption for nitrogen and phosphorus pollutantses；The micropollutants are comprising heavy metal and are harmful to
Organic matter.
Further, the thickness of the water storage bed course is 40-60mm.
Further, the material of the water storage bed course is cobble.
Further, the average grain diameter of the cobble is 20-30mm.
The present invention the course of work be：
When road surface rain or garden have ponding, penetrated into first by pervious bed, pervious bed enough is oozed by its
Thoroughly ability, drains as early as possible into the rainwater on road surface, meanwhile, with storage capacity, can temporarily store undischarged rainwater.Its
Secondary, into screed-coat, screed-coat is the techonosphere that leveling, booster action are played on following bed course, with buffering, permeable function.
Then, into oil suction bed course, the greasy dirt that this layer can be effectively in Adsorption runoff prevents its blocking water-permeable passage, it is to avoid greasy dirt
Permeate the ground and bring further pollution.Oil suction rug in the middle of oil suction bed course be a class by made by inertia polypropylene melt-blown fiber and
Make after non-woven fabrics is specially treated, material itself has the not hydrophilic characteristic of oleophylic, coordinate superfine fibre to form millions of holes, energy
The greasy dirt of about ten times of itself total amount is absorbed rapidly, and the material non-toxic is harmless, ecological, environmental protective.Below, into soil pick-up bed course, inhale
Dirty bed course is by the active zeolite and gravel through activation process according to 1:1 volume ratio composition, the zeolite after activation has more preferable
Adsorptivity and ion exchangeable, the pollutant such as nitrogen phosphorus that can be effectively in Adsorption runoff, meanwhile, to the huge sum of money being harmful in water
The materials such as category, organic matter also have certain absorption exchange interaction, are conducive to removing the various micropollutants in runoff.The present invention
In order to remove impurities in water, two distinct types of removal of impurities bed course is respectively provided with, the pollutant such as greasy dirt and nitrogen phosphorus can be entered
Go Adsorption, filterability improvement has been carried out to the water quality in runoff, solve the problem of environmental pollution that runoff water causes.Most
Afterwards, into water storage bed course, water storage bed course adopts thickness and constitutes for the cobble of 40-60mm；The layer can be stored effectively and water conservancy diversion runoff
Rainwater.
Wherein, active zeolite (activated zeolite) is the natural zeolite of activated PROCESS FOR TREATMENT, and active zeolite can
The pollutants such as the nitrogen phosphorus effectively in Adsorption runoff, meanwhile, the materials such as heavy metal, organic matter harmful in water are also had and is inhaled
Attached exchange interaction, is conducive to removing the various micropollutants in runoff.Active zeolite has more preferable adsorptivity and ion exchange
Property；Turbidity, colourity, the peculiar smell that can not only be gone in eliminating water, and the heavy metal to being harmful in water, such as：Chromium, cadmium, nickel, zinc, mercury, iron
Ion and organic matter：The materials such as phenol, BHC, DDT, three nitrogen, ammonia nitrogen, phosphate anion have absorption exchange interaction, also have
Beneficial to various micropollutants in eliminating water are gone, go removing ferro in water, fluorine effect more notable, and water-leach liquor is nontoxic.
The present invention has compared with prior art advantages below：
(1) present invention can adsorb to the greasy dirt in lower seepage paths stream, it is to avoid greasy dirt blocks water-permeable passage, while preventing
Greasy dirt causes serious environmental pollution into underground.
(2) present invention can effectively adsorb the pollutants such as the nitrogen phosphorus in lower seepage paths stream；Meanwhile, to the huge sum of money being harmful in water
The materials such as category, organic matter also have absorption exchange interaction, be conducive to remove runoff in various micropollutants, go removing ferro in water,
Fluorine effect is more notable, and water-leach liquor is nontoxic；It is avoided to pollute into underground.
(3) present invention can also carry out filtration, purification to the particulate matter in lower seepage paths stream.
(4) present invention can be used alone oil suction bed course or soil pick-up bed course, it is also possible to which merging is used, when in use can root
Factually situation is selected；The pollutants such as greasy dirt and nitrogen phosphorus in lower seepage paths stream is removed respectively or all remove.
(5) present invention can promote rainfall runoff to be emitted into soil, avoid road table ponding, adjust road table temperature so as to play
With humidity, the effect of recharging groundwater point.
(6) present invention have water storage function, can recharge of groundwater, safeguard the ecological balance of underground water and soil.
Description of the drawings
Fig. 1 schematically illustrates present system structural representation；
Reference shown in Fig. 1 is as follows：1st, pervious bed；2nd, screed-coat；3rd, oil suction bed course；4th, soil pick-up bed course；5th, store up
Water subfill；6th, oil suction rug.
Specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples, but technical scheme include but
It is not limited to the content of following embodiments.
A kind of decontamination permeable pavement system of the present invention, as shown in figure 1,
Top-down structure includes pervious bed 1, screed-coat 2, schmutzdecke and water storage bed course 5；
The pervious bed 1 is used to rapid osmotic and drain rainwater on road surface or ponding, and can temporarily store pervious bed 1 and do not discharge
Rainwater；The material of pervious bed 1 is using the one kind in water-permeable cement concrete, water-permeable brick or lawn brick；
The screed-coat 2 is leveling, reinforcement and reinforcement system knot on schmutzdecke for buffering and permeable techonosphere
Structure；
The pollution that the schmutzdecke is used in Adsorption runoff；
The water storage bed course 5 is used for storage and water conservancy diversion runoff rainwater；Water storage bed course 5 is the cobble of thickness 40-60mm；
Wherein, the schmutzdecke includes oil suction bed course 3 and/or soil pick-up bed course 4；
When the schmutzdecke includes oil suction bed course 3 and soil pick-up bed course 4, the oil suction bed course 3 is upper the soil pick-up bed course 4
Side；
The greasy dirt that the oil suction bed course 3 is used in Adsorption runoff, prevents greasy dirt from blocking water-permeable passage or penetrating into ground
Under；The material of oil suction bed course 3 is made up of pervious concrete or gravel, and in the centre of oil suction bed course 3 layer 2-3 oil suction rug 6 is provided with；
The pollutant that the soil pick-up bed course 4 is used in Adsorption runoff；And adsorb the micropollutants in water；Soil pick-up bed course
4 material is active zeolite and gravel according to 1:1 volume ratio uniformly mixes.
Preferably, the porosity of the pervious bed 1 is more than 20%；The thickness of pervious bed 1 is 30-60mm.
It is further preferred that sand in the material employing of the screed-coat 2；The particle diameter of middle sand is 0.3-5mm.
It is further preferred that the thickness of the screed-coat 2 is 20-30mm.
It is further preferred that the thickness of the oil suction bed course 3 is 30-40mm.
It is further preferred that the thickness of the oil suction rug 6 is 2-3mm.
It is further preferred that the thickness of soil pick-up bed course 4 is 50-80mm.
It is further preferred that the average grain diameter of the active zeolite and the gravel is 10-20mm.
It is further preferred that the soil pick-up bed course 4 absorption for nitrogen and phosphorus pollutantses；The micropollutants are comprising heavy metal and have
Harmful organic matter.
It is further preferred that the average grain diameter of the cobble is 20-30mm.
Embodiment
Its top-down structure of the invention is respectively pervious bed, screed-coat, oil suction bed course, soil pick-up bed course, water storage bed course：
1st, pervious bed
Can be using seepy materials such as water-permeable cement concrete, water-permeable brick, lawn bricks.Porosity is not preferably less than 20%, thickness
For 30-60mm.
This layer by its enough penetrating power, drain as early as possible into the rainwater in pavement structure, meanwhile, with certain
Storage capacity temporarily store undischarged rainwater.
2nd, screed-coat
The sand using in, screed-coat thickness is 20-30mm, and particle diameter is 0.3-5mm.Screed-coat is leveling, reinforcement on bed course
The techonosphere of effect, with buffering, permeable function.
3rd, oil suction bed course
The cushion thickness is 30-40mm, is made up of pervious concrete, gravel etc..The thick oil suctions of 2-3mm are added in this layer
Blanket layer 2-3, greasy dirt that can be effectively in Adsorption runoff prevents its blocking water-permeable passage, it is to avoid greasy dirt permeate the ground bring into
One step pollutes.
Wherein, oil suction rug is that a class is made after fiber and non-woven fabrics are specially treated by made by inertia polypropylene melt-blown,
Material itself has the not hydrophilic characteristic of oleophylic, coordinates superfine fibre to form millions of holes, can rapidly absorb itself total amount about ten
Greasy dirt again, and the material non-toxic is harmless, ecological, environmental protective.
4th, soil pick-up bed course
Using the zeolite of average grain diameter 10-20mm and the gravel of average grain diameter 10-20mm according to 1:The mixing of 1 volume ratio is equal
Even, thickness is 50-80mm.Using the natural zeolite activated through various special process, it has more preferable adsorptivity and ion
Exchangeability.
Active zeolite can be effectively in Adsorption runoff the pollutant such as nitrogen phosphorus, meanwhile, to be harmful in water heavy metal, have
The materials such as machine thing also have certain absorption exchange interaction, be conducive to remove runoff in various micropollutants, go removing ferro in water,
Fluorine effect is more notable, and water-leach liquor is nontoxic.
5th, water storage bed course
Using the cobble of average grain diameter 20-30mm, thickness is 40-60mm.The layer can be stored effectively and water conservancy diversion runoff rainwater.
The above embodiment of the present invention can adsorb to the greasy dirt in lower seepage paths stream, it is to avoid greasy dirt blocks water-permeable passage,
Prevent greasy dirt from causing serious environmental pollution into underground simultaneously.Nitrogen phosphorus in lower seepage paths stream etc. can also effectively be adsorbed to pollute
Thing, it is to avoid it is polluted into underground.The present invention has carried out filtration, purification to the particulate matter in lower seepage paths stream, can promote rain
Water runoff is emitted into soil, so as to playing a part of to avoid road table ponding, adjusting road table temperature and humidity, recharging groundwater point.
The present invention have water storage function, can recharge of groundwater, safeguard the ecological balance of underground water and soil.
For the ordinary skill in the art, specific embodiment is simply exemplarily described to the present invention,
Specific implementation of the present invention is not limited by aforesaid way.The present invention can have various modifications and variations, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of decontamination permeable pavement system, it is characterised in that
Top-down structure includes pervious bed (1), screed-coat (2), schmutzdecke and water storage bed course (5)；
The pervious bed (1) is not discharged for rapid osmotic and draining rainwater on road surface or ponding, and can temporarily store pervious bed (1)
Rainwater；
The screed-coat (2) is leveling, reinforcement and reinforcement system knot on schmutzdecke for buffering and permeable techonosphere
Structure；
The pollution that the schmutzdecke is used in Adsorption runoff；
The water storage bed course (5) for storage and water conservancy diversion runoff rainwater；
Wherein, the schmutzdecke includes oil suction bed course (3) and/or soil pick-up bed course (4)；
When the schmutzdecke includes oil suction bed course (3) and soil pick-up bed course (4), the oil suction bed course (3) is in the soil pick-up bed course (4)
Top；
The oil suction bed course (3) prevents greasy dirt from blocking water-permeable passage or permeating the ground for the greasy dirt in Adsorption runoff；
The soil pick-up bed course (4) is for the pollutant in Adsorption runoff；And adsorb the micropollutants in water.
2. decontamination permeable pavement system according to claim 1, it is characterised in that the seepy material of the pervious bed (1)
Using at least one in water-permeable cement concrete, water-permeable brick or lawn brick.
3. decontamination permeable pavement system according to claim 2, it is characterised in that the porosity of the pervious bed (1) is big
In 20%.
4. decontamination permeable pavement system according to claim 1, it is characterised in that the thickness of the pervious bed (1) is 30-
60mm；The thickness of the screed-coat (2) is 20-30mm；The thickness of the oil suction bed course (3) is 30-40mm；The soil pick-up bed course
(4) thickness is 50-80mm；The thickness of the water storage bed course (5) is 40-60mm.
5. decontamination permeable pavement system according to claim 1, it is characterised in that the material of the screed-coat (2) is adopted
Middle sand；The particle diameter of the middle sand is 0.3-5mm.
6. decontamination permeable pavement system according to claim 1, it is characterised in that the material of the oil suction bed course (3) by
Pervious concrete or gravel are constituted, and in the centre of oil suction bed course (3) oil suction rug (6) is provided with.
7. decontamination permeable pavement system according to claim 6, it is characterised in that the oil suction rug (6) is layer 2-3.
8. decontamination permeable pavement system according to claim 6, it is characterised in that the thickness of the oil suction rug (6) is 2-
3mm。
9. decontamination permeable pavement system according to claim 1, it is characterised in that the material of the soil pick-up bed course (4) is
Active zeolite and gravel are according to 1:1 volume ratio uniformly mixes；The average grain diameter of the active zeolite and the gravel is 10-
20mm。
10. decontamination permeable pavement system according to claim 1, it is characterised in that the material of the water storage bed course (5) is
Cobble；The average grain diameter of the cobble is 20-30mm.
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| CN111170692A (en) * | 2020-01-03 | 2020-05-19 | 北京林业大学 | Multilayer composite water permeable brick and preparation method thereof |
| CN111574157A (en) * | 2020-05-27 | 2020-08-25 | 山东科技大学 | Preparation method of water-permeable and oil-resistant concrete |
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Effective date of registration: 20180926 Address after: 523007 10 building, 1 building, extension center, Dongcheng cultural center, Dongyuan Road, Dongcheng Street, Dongguan, Guangdong. Applicant after: LINGNAN ECOLOGICAL CULTURE TRAVEL Co.,Ltd. Address before: 100124 Chaoyang District, Beijing, will be the two floor, 2035 room, 5 building, No. 5, Taiwan calendar. Applicant before: Lingnan Xinke Ecological Technology Research Institute (Beijing) Co.,Ltd. |
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Application publication date: 20170510 |