CN106638221A - Permeable paving system and paving method for removing oil stain in runoff rainwater - Google Patents
Permeable paving system and paving method for removing oil stain in runoff rainwater Download PDFInfo
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- CN106638221A CN106638221A CN201710009459.1A CN201710009459A CN106638221A CN 106638221 A CN106638221 A CN 106638221A CN 201710009459 A CN201710009459 A CN 201710009459A CN 106638221 A CN106638221 A CN 106638221A
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- Prior art keywords
- permeable
- microorganism
- layer
- greasy dirt
- water
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- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
-
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to the technical field of permeable paving, and particularly discloses a permeable paving system and a paving method for removing oil stain in runoff rainwater. The permeable paving system structurally comprises a permeable layer, a leveling layer, a microorganism layer, a permeable geotextile layer and a permeable base layer from top to bottom. The permeable layer is used for quickly permeating the rainwater and primarily filtering the rainwater; the leveling layer is used for cushioning and permeating water; the microorganism layer is used for adsorbing and removing the oil stain in runoff, so that permeable channels can be prevented from being blocked by the oil stain, or the oil stain can be prevented from being permeated into underground water; the permeable geotextile layer is used for permeating the permeated water of the system and preventing loss of microorganisms; the permeable base layer is used for isolating natural soil from the permeable paving system and preventing the natural soil from being spread in the microorganism layer. The paving method includes excavating roadbeds; sequentially laying the permeable base layer, the permeable geotextile layer, the microorganism layer, the leveling layer and the permeable layer. The permeable paving system and the paving method have the advantages that the microorganisms can be regularly added into the permeable paving system, so that the content of the microorganisms can be guaranteed; the oil stain in the runoff rainwater can be effectively removed, the permeable paving system and the paving method are low-carbon, green and environmentally friendly and are wide in applicability, and energy can be saved.
Description
Technical field
The invention belongs to permeable pavement technical field, and in particular to the permeable pavement system of greasy dirt in a kind of removal runoff rainwater
System and its method for paving.
Background technology
In Process of Urbanization Construction, the earth's surface of modern city is progressively covered by the hardening of the material water-proof materials such as building and concrete
Lid, defines " the artificial desert " on ecology.Easily means of transportation, lay smooth road and bring in the trip for giving people
While greatly convenience, greatly negative effect is also brought in these fluid-tight road surfaces to the ecological environment in city.Therefore, in city
In city's surface construction, to follow the course of nature, as much as possible make city and mutually coordinate naturally, accomplish hardened ground and ground
" softening " combines, and while city function is met, " softening " for strengthening urban ground is built.
Water permeability is good, and the higher material of porosity is used for water-permeable brick surface layer and basic unit, makes rainwater pass through artificial paving
Ooze under the porous road surface built, allow water directly to permeate the ground so that hard mats formation to have, and rainwater can be made to be reduced into underground water
Ground water circulation is participated in, while soil and air can be allowed to carry out gas exchanges, the artificial making for absorbing pavement noise mats formation ground
Face.Difference of the paving structure according to design load, it is adaptable to house, garden, square, botanical garden, gardens, factory area, parking
The laying on the road surfaces such as field, tree well, greenhouse, pavement and light duty traffic highway, with good society, environment and Ecological Effect
Should, thus the Research Prospects of ecological pavement are wide, not only can improve the ecological environment in city, and urban residence can be significantly improved
With the comfortableness of life.
The greasy dirt for not considering to exist in a large number in pavement runoff but existing porous pavement is mated formation, greasy dirt is by permeable
Subsurface is infiltered into underground water, brings serious problem of environmental pollution.
At present, prior art does not also 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 one kind removes greasy dirt in runoff rainwater
Permeable pavement system, the present invention adopts microbiological treatment greasy dirt, and microorganism is mainly hydrocarbon oxidation bacteria, hydrocarbon degradation bacterium and stone
Oily degradation bacteria, the quasi-microorganism is degraded by the use of petroleum hydrocarbon as carbon assimilation, final permineralization, is changed into harmless inorganic
Thing, so as to avoid the pollution of greasy dirt.The present invention can be removed to the greasy dirt in lower seepage paths stream by microorganism, it is to avoid greasy dirt is blocked up
Plug water-permeable passage, while preventing greasy dirt from causing serious environmental pollution into underground water；Low-carbon energy-saving of the present invention, environmental protection,
Applicability is extensive.
To achieve these goals, the technical solution adopted in the present invention is as follows：
The invention provides a kind of permeable pavement system for removing greasy dirt in runoff rainwater,
Top-down structure includes pervious bed, screed-coat, microbial layer, permeable geotechnological layer of cloth and porous base course；
The pervious bed is used for the rainwater rapid osmotic on road surface to underground, and completes the primary filter of road pavement runoff,
Larger particles are avoided to enter underground；
The screed-coat is leveling, reinforcement and reinforcement system knot under pervious bed for buffering and permeable techonosphere
Structure；
The greasy dirt that the microbial layer is used in Adsorption runoff, prevents greasy dirt from blocking water-permeable passage or permeating the ground
Water；
The permeable geotechnological layer of cloth is used to make the permeable infiltration of permeable pavement system, does not allow microorganism to be lost in；
The porous base course is used to completely cut off original soil and permeable pavement system, does not allow original soil loss to microbial layer.
Further, the seepy material of the pervious bed is water-permeable brick.
Further, the thickness of the water-permeable brick is 40-80mm.
Further, the porosity of the pervious bed is 15%-20%.
Further, the corner of the water-permeable brick is inverted arc shape.
Further, the radius of the inverted arc shape is 4-6mm.
Further, water-permeable brick gap is provided between the water-permeable brick.
Further, the water-permeable brick gap intersection is microorganism passage.
Further, the microorganism passage is used to add microorganism.
Further, the microorganism is microbial inoculum.
Further, the microorganism is added by microorganism syringe.
Further, the microorganism syringe includes handle, the mouth of pipe, connecting rod, hollow tube, piston, injection-tube, injection
Mouth, overhead gage, lower baffle plate；Anterior one end of hollow tube is provided with injection-tube, in hollow tube, is provided with connecting rod, and the one of connecting rod
End is connected with handle, and the other end of connecting rod is connected with piston, and in connecting rod and handle connecting place overhead gage is provided with；After hollow tube
Portion one end end is the mouth of pipe, and injection-tube front portion one end end is injection port；Lower baffle plate, the position of lower baffle plate are provided with outside injection-tube
Put away from injection port.
Further, the lower baffle plate is more than the thickness of the pervious bed and the screed-coat to the distance of the injection port
Sum, while less than the thickness sum of the pervious bed, the screed-coat and the microbial layer.
Further, aperture of the caliber of the injection port less than the microorganism passage.
Further, the microorganism syringe material is PVC material.
Further, the thickness of the microbial layer is 20-30mm.
Further, the material of the microbial layer is made up of microbe carrier and gravel, the microbe carrier and institute
The level for stating gravel is 3 with ratio：2.
Further, the microbe carrier is Biohaydite filter material.
Further, the particle size range of the Biohaydite filter material is 5-10mm.
Further, the particle diameter of the gravel is 10-15mm.
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 15-30mm.
Further, the thickness of the porous base course is 80-120mm.
Further, the material of the porous base course is prototype gradation sandy gravel or non-fine concrete；Material particle size is 5-
8mm。
A kind of permeable pavement method for removing greasy dirt in runoff rainwater, comprises the steps：
Step (1), excavation roadbed：Roadbed is excavated, the earthwork is cleared up, and reaches designed elevation；Check longitudinal gradient, horizontal wall inscription and side
Line, if meet design requirement；Finishing roadbed, the close compacting of levelling stone roller；
Step (2), the laying of porous base course：The prototype gradation sandy gravel of laying or non-fine concrete, and levelling compacting；
Step (3), the laying of permeable geotextiles：Lay permeable geotextiles；
Step (4), the laying of microbial layer：First biological ceramic particle is placed in plastic wire, prefabricated micro- life is then submerged in
In thing bacterium solution, stand, take out, now microorganism is basically completed biofilm；
Permeable gravel is uniformly mixed with the biological ceramic particle after biofilm, is laid in permeable geotextiles, levelling, compacting；
Step (5), the laying of screed-coat：Sand is levelling during screed-coat is adopted；
Step (6), pervious bed laying：Surface layer is water-permeable brick, in laying, water-permeable brick is gently kept flat during laying, uses rubber
Hammer is beaten stable；
Step (7), the addition of microorganism：After laying 60 days first, the microorganism in permeable pavement system is supplemented, using micro-
Bio-inert device adds, and with microorganism syringe microbial inoculum is drawn, and is injected by microorganism passage.
Further, in the step (1), the step (2) and the step (4), the coefficient of compacting is more than 95%.
Further, in the step (2), the thickness of the porous base course is 80-120mm.
Further, in the step (3), the permeable geotextiles are 300g/m2。
Further, in the step (4), the aperture of the plastic wire is less than the particle diameter of the haydite, to avoid haydite
It is lost in.
Further, in the step (4), the time of repose is 20 hours.
Further, in the step (4), the microbial layer thickness is 20-30mm.
Further, in the step (5), the screed-coat thickness is 15-30mm.
Further, in the step (5), the particle diameter 0.3-5mm of the middle sand.
Further, in the step (6), after laying, the corner of the water-permeable brick is not damaged.
Further, in the step (7), the microorganism syringe includes handle, the mouth of pipe, connecting rod, hollow tube, work
Plug, injection-tube, injection port, overhead gage, lower baffle plate；Hollow tube front portion one end is provided with injection-tube, in hollow tube, is provided with connection
Bar, one end of connecting rod is connected with handle, and the other end of connecting rod is connected with piston, is provided with connecting rod and handle connecting place
Baffle plate；Hollow tube rear portion one end end is the mouth of pipe, and injection-tube front portion one end end is injection port；Lower block is provided with outside injection-tube
Plate, lower baffle plate is located away from injection port.
Further, the distance between the lower baffle plate and injection port of the microorganism syringe is more than the pervious bed and described
The thickness sum of screed-coat, while less than the thickness sum of the pervious bed, the screed-coat and the microbial layer.So may be used
To ensure that injection port can be accurately located at microbial layer during injection, while and will not touch geotechnological layer of cloth, it is to avoid syringe is damaged.
Further, aperture of the injection port caliber of the microorganism syringe less than the microorganism passage；It is easy to micro-
Bio-inert adds.
The present invention has compared with prior art advantages below：
(1) the rainwater rapid osmotic on road surface to underground can be completed the primary mistake of road pavement runoff by pervious bed of the present invention
Filter, and avoid some bulky grain things from entering underground.Water-permeable brick can be water-permeable brick species common on the market, water-permeable brick corner 4-
6mm, the water-permeable brick gap intersection of corner location is microorganism passage, can add microorganism.
(2) microbial layer of the present invention effectively eliminates the greasy dirt in lower seepage paths stream by microorganism, and microorganism is mainly hydrocarbon
Class oxidation bacteria, hydrocarbon degradation bacterium and oil degradation bacteria, the quasi-microorganism is degraded by the use of petroleum hydrocarbon as carbon assimilation, final complete
Mineralising, is changed into harmless inorganic matter；Greasy dirt blocking water-permeable passage is avoided, while preventing greasy dirt from causing seriously into underground water
Environmental pollution.
(3) the Biohaydite filter material surface micropore of microbial layer of the present invention enriches, and specific surface area is big, easy to be filmed and biomass
Greatly；Gravel can be well mixed with Biohaydite filter material, can prevent gravel from blocking filtrate again, provide good raw for growth of microorganism
Border.
(4) the permeable geotechnological layer of cloth of the present invention both ensure that the water penetration of permeable pavement system, and the stream of microorganism is prevented again
Lose.
(5) porous base course of the present invention has completely cut off original soil and permeable pavement system, it is to avoid original soil loss to microbial layer, affects
Microorganism deoiling effect.
(6) low-carbon energy-saving of the present invention, environmental protection, applicability is extensive, beneficial to popularity.
Description of the drawings
Fig. 1 schematically illustrates present system structural representation；
Fig. 2 schematically illustrates plane of the present invention and mats formation schematic diagram；
Fig. 3 schematically illustrates microorganism syringe construction schematic diagram.
Reference shown in Fig. 1-Fig. 3 is as follows：1st, pervious bed；2nd, screed-coat；3rd, microbial layer；4th, permeable geotextiles
Layer；5th, porous base course；6th, water-permeable brick gap；7th, microorganism passage；8th, corner；9th, handle；10th, the mouth of pipe；11st, connecting rod；12nd, in
Blank pipe；13rd, piston；14th, injection-tube；15th, injection port；16th, overhead gage；17th, lower baffle plate.
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 permeable pavement system for removing greasy dirt in runoff rainwater of the present invention, as shown in figure 1,
Top-down structure includes pervious bed 1, screed-coat 2, microbial layer 3, permeable geotechnological layer of cloth 4 and porous base course 5；
The pervious bed 1 is used for the rainwater rapid osmotic on road surface to underground, and completes the primary filter of road pavement runoff,
Larger particles are avoided to enter underground；The seepy material of pervious bed 1 is water-permeable brick；
The screed-coat 2 is leveling, reinforcement and reinforcement system under pervious bed 1 for buffering and permeable techonosphere
Structure；
The greasy dirt that the microbial layer 3 is used in Adsorption runoff, prevents greasy dirt from blocking water-permeable passage or penetrating into ground
Lower water；
The permeable geotechnological layer of cloth 4 is used to make the permeable infiltration of permeable pavement system, does not allow microorganism to be lost in；
The porous base course 5 is used to completely cut off original soil and permeable pavement system, does not allow original soil loss to microbial layer 3.
Preferably, the thickness of the water-permeable brick is 40-80mm；The porosity of pervious bed 1 is 15%-20%.
It is further preferred that the corner of the water-permeable brick is inverted arc shape；The radius of the inverted arc shape is 4-6mm.
It is further preferred that being provided with water-permeable brick gap between the water-permeable brick；The water-permeable brick gap intersection is microorganism
Passage；The microorganism passage is used to add microorganism.
It is further preferred that the microorganism is microbial inoculum.
It is further preferred that the microorganism is added by microorganism syringe；The microorganism syringe include handle 9,
The mouth of pipe 10, connecting rod 11, hollow tube 12, piston 13, injection-tube 14, injection port 15, overhead gage 16, lower baffle plate 17 are (such as Fig. 3 institutes
Show)；The anterior one end of hollow tube 12 is provided with injection-tube 14, in hollow tube 12, is provided with connecting rod 11, one end of connecting rod 11 and hand
Handle 9 is connected, and the other end of connecting rod 11 is connected with piston 13, and in connecting rod 11 and the connecting place of handle 9 overhead gage 16 is provided with；It is hollow
The rear portion one end end of pipe 12 is the mouth of pipe 10, and the anterior one end of injection-tube 14 end is injection port 15；Under being provided with outside injection-tube 14
Baffle plate 17, lower baffle plate 17 is located away from injection port 15.
It is further preferred that the lower baffle plate to the injection port distance more than the pervious bed 1 and the screed-coat 2
Thickness sum, while less than the thickness sum of the pervious bed 1, the screed-coat 2 and the microbial layer 3.So can protect
Card injection port position is located at the middle part of microbial layer 3, it is ensured that microorganism point of addition is suitable；Again geotechnological layer of cloth will not be touched simultaneously,
Syringe is avoided to damage.
It is further preferred that aperture of the caliber of the injection port less than the microorganism passage.It is easy to microorganism injection to add
Plus.
It is further preferred that the microorganism syringe material is PVC material.
It is further preferred that the thickness of the microbial layer 3 is 20-30mm.
It is further preferred that the material of the microbial layer 3 is made up of microbe carrier and gravel, the microbe carrier and
The level of the gravel is 3 with ratio：2；The microbe carrier is Biohaydite filter material；The particle diameter model of the Biohaydite filter material
Enclose for 5-10mm；The particle diameter of the gravel is 10-15mm.
It is further preferred that sand in the material employing of the screed-coat 2；The particle diameter of the middle sand is 0.3-5mm；It is described levelling
The thickness of layer 2 is 15-30mm.
It is further preferred that the thickness of the porous base course 5 is 80-120mm.
It is further preferred that the material of the porous base course 5 is prototype gradation sandy gravel or non-fine concrete；Material particle size is
5-8mm。
A kind of permeable pavement method for removing greasy dirt in runoff rainwater, comprises the steps：
Step (1), excavation roadbed：Roadbed is excavated, the earthwork is cleared up, and reaches designed elevation；Check longitudinal gradient, horizontal wall inscription and side
Line, if meet design requirement；Finishing roadbed, the close compacting of levelling stone roller；
Step (2), the laying of porous base course：The prototype gradation sandy gravel of laying or non-fine concrete, and levelling compacting；
Step (3), the laying of permeable geotextiles：Lay permeable geotextiles；
Step (4), the laying of microbial layer：First biological ceramic particle is placed in plastic wire, prefabricated micro- life is then submerged in
In thing bacterium solution, stand, take out, now microorganism is basically completed biofilm；
Permeable gravel is uniformly mixed with the biological ceramic particle after biofilm, is laid in permeable geotextiles, levelling, compacting；
Step (5), the laying of screed-coat：Sand is levelling during screed-coat is adopted；
Step (6), pervious bed laying：Surface layer is water-permeable brick, in laying, water-permeable brick is gently kept flat during laying, uses rubber
Hammer is beaten stable；
Step (7), the addition of microorganism：After laying 60 days first, the microorganism in permeable pavement system is supplemented, using micro-
Bio-inert device adds, and microbial inoculum is drawn with microorganism syringe, by for the corner 8 of the intersection of water-permeable brick gap 6
The microorganism passage 7 of position is injected.As shown in Figure 2.
Preferably, in the step (1), the step (2) and the step (4), the coefficient of compacting is more than 95%.
It is further preferred that in the step (2), the thickness of the porous base course is 80-120mm.
It is further preferred that in the step (3), the permeable geotextiles are 300g/m2。
It is further preferred that in the step (4), the aperture of the plastic wire is less than the particle diameter of the haydite.To avoid pottery
Grain is lost in.The time of repose is 20 hours.The microbial layer thickness is 20-30mm.
It is further preferred that in the step (5), the screed-coat thickness is 15-30mm.The particle diameter 0.3- of the middle sand
5mm。
It is further preferred that in the step (6), after laying, the corner of the water-permeable brick is not damaged.
It is further preferred that in the step (7), the microorganism syringe include handle, the mouth of pipe, connecting rod, hollow tube,
Piston, injection-tube, injection port, overhead gage, lower baffle plate；Hollow tube front portion one end is provided with injection-tube, in hollow tube, is provided with connection
Bar, one end of connecting rod is connected with handle, and the other end of connecting rod is connected with piston, is provided with connecting rod and handle connecting place
Baffle plate；Hollow tube rear portion one end end is the mouth of pipe, and injection-tube front portion one end end is injection port；Lower block is provided with outside injection-tube
Plate, lower baffle plate is located away from injection port.
It is further preferred that in the step (7), the distance between the lower baffle plate and injection port of the microorganism syringe is more than
The thickness sum of the pervious bed and the screed-coat, while being less than the pervious bed, the screed-coat and the microbial layer
Thickness sum.Injection port can be accurately located at microbial layer when so can ensure that injection, while and will not touch geotechnological layer of cloth,
Syringe is avoided to damage.
It is further preferred that aperture of the injection port caliber of the microorganism syringe less than the microorganism passage；It is easy to
Microorganism injection addition.
Embodiment 1, permeable pavement system
The structure of permeable pavement system is divided into from top to bottom permeable brick layer, microbial layer, permeable geotechnological layer of cloth and permeable base
Layer.
1) pervious bed
Pervious bed is made up of water-permeable brick, water-permeable brick thickness be 40-80mm, porosity 15%-20%.Primarily serve the purpose of road
The rainwater rapid osmotic in face completes the primary filter of road pavement runoff to underground, it is to avoid some bulky grain things enter underground.
Water-permeable brick can be water-permeable brick species common on the market, water-permeable brick corner 4-6mm (or inverted arc radius 4-
6mm).The gap of permeable pavement corner location is microorganism passage, for microorganism addition.
2) screed-coat
One screed-coat is set under water-permeable brick, and screed-coat is leveling, the techonosphere of booster action on bed course.The sand using in,
Screed-coat thickness is 15-30mm, and particle diameter is 0.3-5mm.Screed-coat is leveling, the techonosphere of booster action on bed course.
3) microbial layer
The structure of microbial layer is：It is made up of gravel and microbe carrier, thickness 20-30mm.Microbe carrier is biology
Ceramic grain filter, particle size range 5-10mm, filter material surface micropore enriches, and specific surface area is big, easy to be filmed and biomass is big；Grain size of gravel
10-15mm, can be well mixed with Biohaydite filter material, can prevent gravel from blocking filtrate again, provide well for growth of microorganism
Habitat.
4) permeable geotechnological layer of cloth
One permeable geotechnological layer of cloth is set under microbial reaction layer, had both ensured the water penetration of permeable pavement system, can prevent again
Microorganism is lost in.
5) porous base course
Porous base course thickness is 80-120mm, and material can be with prototype gradation sandy gravel, non-fine concrete etc..Material particle size exists
Between 5-8mm, play a part of to completely cut off original soil and permeable pavement structure, it is to avoid original soil loss to microbial reaction layer, affect micro-
Biological oil removing effect.
Embodiment 2, microorganism syringe
1) species of microorganism is mainly hydrocarbon oxidation bacteria, hydrocarbon degradation bacterium and oil degradation bacteria.The quasi-microorganism is utilized
Petroleum hydrocarbon is degraded as carbon assimilation, and final permineralization is changed into harmless inorganic matter, so as to reduce oil pollution.
2) microorganism of addition is the microbial inoculum prepared, the nutriment needed comprising Institute of Micro-biology in bacterium solution.
3) microorganism addition adopts supporting microorganism syringe.The main material of syringe is PVC.
Microorganism syringe include handle, the mouth of pipe, connecting rod, hollow tube, piston, injection-tube, injection port, overhead gage, under
Baffle plate；Hollow tube front portion one end is provided with injection-tube, in hollow tube, is provided with connecting rod, and one end of connecting rod is connected with handle, even
The other end of extension bar is connected with piston, and in connecting rod and handle connecting place overhead gage is provided with；Hollow tube rear portion one end end is pipe
Mouthful, injection-tube front portion one end end is injection port；It is provided with lower baffle plate outside injection-tube, lower baffle plate is located away from injection port.
Wherein, lower baffle plate is more than pervious bed and screed-coat thickness sum to the distance of injection port, while less than pervious bed, looking for
The thickness sum of flat bed and microbial reaction layer.So can ensure that injection port position is located at microbial layer middle part, it is ensured that micro- life
Thing point of addition is suitable；Geotechnological layer of cloth will not be touched again simultaneously, it is to avoid syringe is damaged.
Wherein, the caliber of injection port is easy to microorganism injection addition less than the aperture of microorganism passage.
Embodiment 3, permeable pavement method
1st, each layer construction of permeable pavement
1) excavation of roadbed：According to the requirement of design, roadbed is excavated, and clears up the earthwork, and reaches designed elevation；Check vertical
Slope, horizontal wall inscription and sideline, if meet design requirement；Finishing roadbed, levelling grinding compacting, compacting factor is up to more than 95%.
2) laying of porous base course：Laying 80-120mm thick prototype gradation sandy gravel, non-fine concrete, and levelling pressure
Real, compacting factor is up to more than 95%.
3) laying of permeable geotextiles：Laying 300g/m2Permeable geotextiles.
4) laying of microbial reaction layer：First by biological ceramic particle be placed in plastic wire (plastic wire aperture be less than haydite particle diameter,
Haydite is avoided to be lost in) in, in being then submerged in prefabricated microbial inoculum, took out after 20 hours, now microorganism is substantially complete
Into biofilm.
Permeable gravel is uniformly mixed with the biological ceramic particle after biofilm, in geotextiles lay 20-30mm it is thick and levelling,
Compacting.
5) laying of screed-coat：Sand in screed-coat use, 15-30mm is thick, and middle sand requires that there is certain level to match somebody with somebody, i.e. particle diameter
The graded sand of 0.3-5mm is levelling.
6) pervious bed laying：Surface layer is water-permeable brick, in laying, should lay water-permeable brick according to layout, should during laying
Gently keep flat, beaten with rubber hammer and stablized, but the corner of brick must not be damaged.
2nd, microorganism addition (i.e. the use of microorganism syringe)
After mating formation first 60 days, the microorganism in permeable pavement system is required supplementation with, added using microorganism syringe：With
Syringe draws microbial inoculum, is injected by microorganism passage.Distance between syringe lower baffle plate and injection port is more than
Pervious bed and screed-coat thickness sum, while being less than pervious bed, screed-coat and microbial layer thickness sum, the setting can ensure that
Injection port can be accurately located at microbial layer during injection, while and will not touch geotechnological layer of cloth, it is to avoid syringe is damaged.
In the above embodiment of the present invention, pervious bed can complete the face diameter that satisfies the need by the rainwater rapid osmotic on road surface to underground
The primary filter of stream, and avoid some bulky grain things from entering underground.Water-permeable brick can be water-permeable brick species common on the market, thoroughly
Water brick corner 4-6mm, the water-permeable brick gap intersection of corner location is microorganism passage, can add microorganism.Microbial layer
Greasy dirt in lower seepage paths stream is effectively eliminated by microorganism, microorganism is mainly hydrocarbon oxidation bacteria, hydrocarbon degradation bacterium and oil
Degradation bacteria, the quasi-microorganism is degraded by the use of petroleum hydrocarbon as carbon assimilation, and final permineralization is changed into harmless inorganic matter；
Greasy dirt blocking water-permeable passage is avoided, while preventing greasy dirt from causing serious environmental pollution into underground water.The life of microbial layer
Thing ceramic grain filter surface micropore enriches, and specific surface area is big, easy to be filmed and biomass is big；Gravel can mix with Biohaydite filter material
Uniformly, can prevent gravel from blocking filtrate again, for growth of microorganism good habitat is provided.Permeable geotechnological layer of cloth both ensure that permeable paving
The water penetration of dress system, prevents the loss of microorganism again.Porous base course has completely cut off original soil and permeable pavement system, it is to avoid original soil
Loss affects microorganism deoiling effect to microbial layer.Low-carbon energy-saving of the present invention, environmental protection, applicability is extensive, beneficial to universal
Promote.
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 (16)
1. it is a kind of remove runoff rainwater in greasy dirt permeable pavement system, it is characterised in that
Top-down structure includes pervious bed (1), screed-coat (2), microbial layer (3), permeable geotechnological layer of cloth (4) and permeable base
Layer (5)；
The pervious bed (1), to underground, and completes the primary filter of road pavement runoff for by the rainwater rapid osmotic on road surface, keeps away
Exempt from larger particles and enter underground；
The screed-coat (2) is leveling, reinforcement and reinforcement system under pervious bed (1) for buffering and permeable techonosphere
Structure；
The microbial layer (3) prevents greasy dirt from blocking water-permeable passage or permeating the ground for the greasy dirt in Adsorption runoff
Water；
The permeable geotechnological layer of cloth (4) does not allow microorganism to be lost in for making the permeable infiltration of permeable pavement system；
The porous base course (5) does not allow original soil loss to microbial layer (3) for completely cutting off original soil and permeable pavement system.
2. it is according to claim 1 remove runoff rainwater in greasy dirt permeable pavement system, it is characterised in that it is described permeable
The seepy material of layer (1) is water-permeable brick.
3. it is according to claim 2 remove runoff rainwater in greasy dirt permeable pavement system, it is characterised in that it is described permeable
The thickness of brick is 40-80mm；The corner (8) of the water-permeable brick is inverted arc shape；The radius of the inverted arc shape is 4-6mm.
4. it is according to claim 2 remove runoff rainwater in greasy dirt permeable pavement system, it is characterised in that it is described permeable
Water-permeable brick gap (6) is provided between brick；Water-permeable brick gap (6) intersection is microorganism passage (7)；The microorganism passage
(7) for adding microorganism；The microorganism is microbial inoculum；The microbial inoculum is added by microorganism syringe.
5. it is according to claim 4 remove runoff rainwater in greasy dirt permeable pavement system, it is characterised in that micro- life
Thing syringe includes handle (9), the mouth of pipe (10), connecting rod (11), hollow tube (12), piston (13), injection-tube (14), injection port
(15), overhead gage (16), lower baffle plate (17)；Anterior one end of hollow tube (12) is provided with injection-tube (14)；In hollow tube (12),
Connecting rod (11) is provided with, one end of connecting rod (11) is connected with handle (9), the other end and piston (13) phase of connecting rod (11)
Even, it is provided with overhead gage (16) in connecting rod (11) and handle (9) connecting place；Hollow tube (12) rear portion one end end is the mouth of pipe
(10), injection-tube (14) front portion one end end is injection port (15)；Lower baffle plate (17), lower baffle plate are provided with outside injection-tube (14)
(17) be located away from injection port (15).
6. it is according to claim 5 remove runoff rainwater in greasy dirt permeable pavement system, it is characterised in that the lower block
Plate (17) to the distance of the injection port (15) is more than the thickness of the pervious bed (1) and the thickness sum of the screed-coat (2),
Simultaneously less than the thickness sum of the pervious bed (1), the screed-coat (2) and the microbial layer (3).
7. it is according to claim 5 remove runoff rainwater in greasy dirt permeable pavement system, it is characterised in that the injection
Aperture of the caliber of mouth (15) less than the microorganism passage (7).
8. it is according to claim 1 remove runoff rainwater in greasy dirt permeable pavement system, it is characterised in that micro- life
The material of nitride layer (3) is made up of microbe carrier and gravel, and the level of the microbe carrier and the gravel is 3 with ratio：2.
9. it is according to claim 8 remove runoff rainwater in greasy dirt permeable pavement system, it is characterised in that micro- life
Thing carrier is Biohaydite filter material, and the particle size range of the Biohaydite filter material is 5-10mm；The particle diameter of the gravel is 10-
15mm。
10. it is according to claim 1 remove runoff rainwater in greasy dirt permeable pavement system, it is characterised in that it is described to look for
Sand in the material employing of flat bed (2)；The particle diameter of the middle sand is 0.3-5mm.
The 11. permeable pavement systems for removing greasy dirt in runoff rainwater according to claim 1, it is characterised in that described to look for
The thickness of flat bed (2) is 15-30mm；The thickness of the microbial layer (3) is 20-30mm；The thickness of the porous base course (5) is
80-120mm。
The 12. permeable pavement systems for removing greasy dirt in runoff rainwater according to claim 1, it is characterised in that described
The material of water-base (5) is prototype gradation sandy gravel or non-fine concrete；Material particle size is 5-8mm.
A kind of 13. permeable pavement methods for removing greasy dirt in runoff rainwater, comprise the steps：
Step (1), excavation roadbed：Roadbed is excavated, the earthwork is cleared up, and reaches designed elevation；Longitudinal gradient, horizontal wall inscription and sideline are checked, is
It is no to meet design requirement；Finishing roadbed, the close compacting of levelling stone roller；
Step (2), the laying of porous base course：The prototype gradation sandy gravel of laying or non-fine concrete, and levelling compacting；
Step (3), the laying of permeable geotextiles：Lay permeable geotextiles；
Step (4), the laying of microbial layer：First biological ceramic particle is placed in plastic wire, prefabricated microbial bacteria is then submerged in
In liquid, stand, take out, now microorganism is basically completed biofilm；
Permeable gravel is uniformly mixed with the biological ceramic particle after biofilm, is laid in permeable geotextiles, levelling, compacting；
Step (5), the laying of screed-coat：Sand is levelling during screed-coat is adopted；
Step (6), pervious bed laying：Surface layer is water-permeable brick, in laying, water-permeable brick is gently kept flat during laying, is hammered into shape with rubber hammer
Beat stable；
Step (7), the addition of microorganism：After laying 60 days first, the microorganism in permeable pavement system is supplemented, using microorganism
Syringe adds, and with microorganism syringe microbial inoculum is drawn, and is injected by microorganism passage.
The 14. permeable pavement systems for removing greasy dirt in runoff rainwater according to claim 13, it is characterised in that
In the step (1), the step (2) and the step (4), the coefficient of compacting is more than 95%；
In the step (3), the permeable geotextiles are 300g/m2；
In the step (4), the time of repose is 20 hours；
In the step (4), the aperture of the plastic wire is less than the particle diameter of the biological ceramic particle.
The 15. permeable pavement systems for removing greasy dirt in runoff rainwater according to claim 13, it is characterised in that the step
Suddenly in (7), the microorganism syringe includes handle, the mouth of pipe, connecting rod, hollow tube, piston, injection-tube, injection port, upper gear
Plate, lower baffle plate；Anterior one end of hollow tube is provided with injection-tube, in hollow tube, is provided with connecting rod, one end of connecting rod and handle
It is connected, the other end of connecting rod is connected with piston, in connecting rod and handle connecting place overhead gage is provided with；Hollow tube rear portion one end end
Tail is the mouth of pipe, and injection-tube front portion one end end is injection port；It is provided with lower baffle plate outside injection-tube, lower baffle plate is located away from note
Loophole；Distance between the lower baffle plate and injection port of the microorganism syringe is more than the thickness sum of pervious bed and screed-coat, together
When less than pervious bed, screed-coat and microbial layer thickness sum.
The 16. permeable pavement systems for removing greasy dirt in runoff rainwater according to claim 13, it is characterised in that the step
Suddenly in (7), the injection port caliber of the microorganism syringe is less than the aperture of the microorganism passage.
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| CN201710009459.1A CN106638221A (en) | 2017-01-06 | 2017-01-06 | Permeable paving system and paving method for removing oil stain in runoff rainwater |
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| CN111423246A (en) * | 2020-05-27 | 2020-07-17 | 山东科技大学 | Preparation method of ecological porous concrete for oily sewage treatment |
| CN111535110A (en) * | 2020-04-27 | 2020-08-14 | 台州市市政基础设施开发集团有限公司 | Road and construction 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 |
| CN113106803A (en) * | 2021-04-13 | 2021-07-13 | 中国建筑设计研究院有限公司 | Water-permeable pavement combined pavement structure and pavement method |
| CN113502706A (en) * | 2021-04-21 | 2021-10-15 | 同济大学 | Permeation paving structure for enhancing denitrification effect by biochar |
| CN114277639A (en) * | 2022-01-26 | 2022-04-05 | 交通运输部科学研究院 | Water-gas communication type low-influence development paving structure |
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Effective date of registration: 20180918 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 |