CN112962389A - Replaceable municipal road rainwater infiltration belt, system and setting method thereof - Google Patents
Replaceable municipal road rainwater infiltration belt, system and setting method thereof Download PDFInfo
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- 230000008595 infiltration Effects 0.000 title claims abstract description 84
- 238000001764 infiltration Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 157
- 238000003860 storage Methods 0.000 claims abstract description 72
- 238000001914 filtration Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims description 96
- 230000035515 penetration Effects 0.000 claims description 31
- 230000000903 blocking effect Effects 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 230000035699 permeability Effects 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 description 8
- 238000011144 upstream manufacturing Methods 0.000 description 8
- 238000003973 irrigation Methods 0.000 description 4
- 230000002262 irrigation Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 101100366940 Mus musculus Stom gene Proteins 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000012937 correction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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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
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
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Abstract
The invention provides a replaceable municipal road rainwater infiltration belt, a replaceable municipal road rainwater infiltration system and a replaceable municipal road rainwater infiltration method, wherein the replaceable municipal road rainwater infiltration belt comprises a rainwater filtration layer, a water storage cavity and a rainwater infiltration layer which are sequentially arranged from top to bottom; the rainwater filter layer is arranged in parallel with the municipal road, and the rainwater filter layer is arranged in the middle of the municipal road or on any one of two sides of the municipal road. The water storage cavity is respectively connected with one or more water inlet pipes of the rainwater embedded pipe, and the downstream of the water storage cavity is respectively connected with one or more water outlet pipes of the rainwater embedded pipe. The municipal road is transversely provided with a certain gradient; rainwater infiltration area is located the banding setting of position of lowest in the horizontal slope of town road. The invention adopts a source and process infiltration system, effectively increases the local underground water quantity, reduces the flow in the rainwater pipe canal, lags the flood peak, reduces the sizes of the pipe canals along the line and at the downstream, can solve the outstanding problems of slow infiltration, easy blockage, difficult maintenance and the like of the conventional infiltration facility, and has stronger practicability.
Description
Technical Field
The invention relates to the field of municipal drainage, in particular to a replaceable municipal road rainwater infiltration belt, a replaceable municipal road rainwater infiltration system and a setting method of the replaceable municipal road rainwater infiltration belt.
Background
With global warming and extreme weather increasing, the rainfall intensity of each place refreshes the history of the place, so that each city can be like a sponge, and the sponge has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like. The urban rainwater storage system can absorb, store, seep and purify water when raining, and release and utilize the stored water when needed, so that rainwater can freely migrate in the urban area.
Rainwater infiltration is one of the important measures for sustainable utilization of urban water resources, and is also an effective method for utilizing rainwater to replenish underground water. Traditional rainwater infiltration facility is when using, and the rainfall erodes flows into point type inlet for stom water behind the ground and collects municipal drainage irrigation canal, and the irrigation canal is thick in order to satisfy the flood peak requirement and build to can be mingled with impurity such as a large amount of silt among the irrigation canal, this kind of drainage irrigation canal generally downstream position need set up rainwater treatment facility and purify, and the rainwater that the rethread was concentrated and is arranged infiltrates the facility slowly and infiltrate the underground. In addition, in the use process of the traditional rainwater infiltration facility, the infiltration structure layer is difficult to backwash after being blocked, the maintenance is inconvenient, and only destructive reconstruction can be carried out on the traditional rainwater infiltration facility when the blockage is serious, so that the manpower, material resources and financial resources are wasted, and the practicability is poor.
Disclosure of Invention
The invention provides a replaceable municipal road rainwater infiltration zone, a replaceable municipal road rainwater infiltration system and a setting method thereof.
The invention provides a replaceable municipal road rainwater infiltration belt, which comprises a rainwater filtration layer, a water storage cavity and a rainwater infiltration layer, wherein the rainwater filtration layer, the water storage cavity and the rainwater infiltration layer are sequentially arranged from top to bottom;
the rainwater filtering layer is arranged in parallel with the municipal road and is arranged in the middle of the municipal road or at any one of two sides of the municipal road;
the rainwater filtering layer and the rainwater permeable layer are prefabricated respectively.
Optionally, in a possible implementation manner of the first aspect, the water storage cavities are respectively connected with one or more water inlet pipes of the rainwater embedded pipes, and the downstream of the water storage cavities are respectively connected with one or more water outlet pipes of the rainwater embedded pipes.
Optionally, in one possible implementation of the first aspect, the town road may have a grade laterally;
rainwater infiltration area is arranged in the position of the lowest position in the transverse slope of the municipal administration road, and is arranged along the longitudinal strip of the municipal administration road.
Optionally, in one possible implementation manner of the first aspect, the rainwater filtration layer comprises a plurality of single filter plates, and the plurality of single filter plates are spliced to form the rainwater filtration layer;
the filter plate is composed of a plurality of layers of filter media, and any two adjacent filter media layers are connected through a permeable blocking medium spacer.
Optionally, in one possible implementation manner of the first aspect, the rainwater permeation layer includes a plurality of single-piece permeation plates, and the plurality of single-piece permeation plates are spliced into the rainwater permeation layer;
the penetration plate is composed of a plurality of penetration medium layers, and any two adjacent penetration medium layers are connected through a permeable blocking medium spacer.
In a second aspect of the invention, there is provided a replaceable town road rainwater penetration system comprising the above-mentioned town road rainwater penetration band, wherein the town road rainwater penetration band is single or multiple and is arranged coaxially.
Optionally, in one possible implementation of the second aspect, the town road comprises a green belt;
a water passing channel is arranged between the green belt and the municipal road rainwater infiltration belt.
In a third aspect of the invention, a replaceable municipal road rainwater infiltration system setting method is provided, which comprises the municipal road rainwater infiltration system, and further comprises the following steps:
acquiring gradient information of the municipal road, and determining the side of the municipal road with the lower gradient;
constructing a trench on one side of the municipal road with a lower gradient to form a plurality of tunnels, and arranging a rainwater penetration layer at the bottom of each tunnel;
arranging a rainwater filtering layer on the surface of the tunnel, so that a water storage cavity is formed between the rainwater permeating layer and the rainwater filtering layer;
and determining the position of the rainwater embedded pipe in the municipal road, and communicating the rainwater embedded pipe with the water storage cavity through one or more water inlet pipes respectively.
Optionally, in a possible implementation manner of the third aspect, the method further includes the following steps:
obtaining the water inflow V of the road rainwater infiltration system, wherein the water inflow V is calculated by the following formula,
wherein T is the duration of a first rainfall, q is the intensity of the rainstorm, Ao is the area of the facility directly bearing the rainfall, A is the service area of the facility, psi is a runoff coefficient, T is the duration of a second rainfall, and 1.25 is a safety factor;
acquiring the permeation quantity Vp of a road rainwater permeation system, wherein the permeation quantity Vp is calculated by the following formula,
Vp＝3600tKJAs
wherein K is the permeability coefficient of the permeable layer, J is the hydraulic slope and As is the effective permeability area;
acquiring the rainwater storage quantity Vs of the road, wherein the rainwater storage quantity Vs is calculated by the following formula,
wherein As is the area of the maximum rainfall capacity which can be temporarily stored on the road pavement under each unit length, and L is the road length;
the water inflow V, the penetration quantity Vp and the water storage quantity Vs have the following corresponding relation,
V＝Vp+Vs。
optionally, in a possible implementation manner of the third aspect, the method further includes:
the water storage cavity is respectively provided with a 1a automatic baffle, a 2a automatic baffle, … … and a na automatic baffle every 100m,
the 1a, 2a, … … and na automatic baffles are respectively provided with a 1a flow liquid level sensor, a 2a flow liquid level sensor, … … and a na flow liquid level sensor at the water storage cavity, and the flow liquid level sensors detect flow information, liquid level information, specific flow or time under the liquid level at a set point;
respectively acquiring 1a flow information, 1a liquid level information and 1a time information detected by the 1a flow liquid level sensor, 2a flow information, 2a liquid level information and 2a time information detected by the 2a flow liquid level sensor, … …, and na flow information, na liquid level information and na time information detected by the na flow liquid level sensor;
a 1b automatic baffle, a 2b automatic baffle, … … and an nb automatic baffle are respectively arranged between the water storage cavity and the one or more water inlet pipes or the water outlet pipes;
the 1b, 2b, … …, nb automatic baffles and the water storage cavity are respectively provided with a 1b flow liquid level sensor, a 2b flow liquid level sensor, … … and an nb flow liquid level sensor, and the flow liquid level sensors detect flow information, liquid level information, specific flow or time under the liquid level of a set point;
respectively acquiring 1b flow information, 1b liquid level information and 1b time information detected by the 1b flow liquid level sensor, 2b flow information, 2b liquid level information and 2b time information detected by the 2b flow liquid level sensor, … …, and nb flow information, nb liquid level information and nb time information detected by the nb flow liquid level sensor;
the 1c flow liquid level sensor, the 2c flow liquid level sensor, the … … and the nc flow liquid level sensor are respectively arranged at the 1b automatic baffle, the 2b automatic baffle, the … …, the nb automatic baffle and the water storage cavity;
respectively acquiring 1c flow information, 1c liquid level information and 1c time information detected by the 1c flow liquid level sensor, 2c flow information, 2c liquid level information and 2c time information detected by the 2c flow liquid level sensor, … …, and nc flow information, nc liquid level information and nc time information detected by the nc flow liquid level sensor;
obtaining an optimal decision scheme for the 1a automatic baffle based on a plurality of indexes of the inflow V, the penetration Vp, the water storage quantity Vs, the 1a flow information, the 1a liquid level information, the 1a time information, the 2a flow information, the 2a liquid level information, the 2a time information, … …, the na flow information, the na liquid level information, the na time information, the 1b flow information, the 1b liquid level information, the 1b time information, the 2b flow information, the 2b liquid level information, the 2b time information, … …, the nb flow information, the nb liquid level information, the nb time information, the 1c flow information, the 1c liquid level information, the 1c time information, the 2c flow information, the 2c liquid level information, … …, the nc flow information, the nc liquid level information and the nc time information, The 2a automatic baffle … …, the na automatic baffle, the 1b automatic baffle, the 2b automatic baffle … … and the nb automatic baffle are controlled;
wherein the step of obtaining a decision scheme comprises:
rainfall condition set omega2M rainfall conditions and a rainfall condition set omega2And m rainfall conditions corresponding to the rainfall conditions are combined into omega2＝(e1，e2，…，em)，eiRepresents one of the rainfall cases, i ═ (1, 2, …, m); determining a decision corresponding to the ith rainfall condition from a database system, and establishing a decision matrix Aij：
Wherein, aijIs the corresponding decision of the ith rainfall situation under the dimension j;
respectively calculating the sum C of decision scores of all rainfall conditions i under the dimension j according to the following formulajJ ═ (1, 2, …, p); the formula is:
determination of all CjMaximum value of CxMixing C withxThe corresponding decision is the optimal decision of the rainfall condition i.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a side view of a rain-permeable belt;
FIG. 2 is a cross-sectional view of a rain water penetration strip;
FIG. 3 is a plan view of a rain water penetration strip;
FIG. 4 is a schematic view of a first embodiment of a replaceable town road storm water infiltration system;
FIG. 5 is a schematic view of a second embodiment of a replaceable town road storm water infiltration system;
FIG. 6 is a schematic view of a third embodiment of a replaceable town road storm water infiltration system;
FIG. 7 is a schematic view of a fourth embodiment of a replaceable town road storm water infiltration system;
FIG. 8 is a schematic view of a first embodiment of a method of providing a replaceable town road storm water infiltration system.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
It should be understood that, in various embodiments of the present invention, the sequence numbers of the processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the internal logic of the processes, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
It should be understood that in the present application, "comprising" and "having" and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that, in the present invention, "a plurality" means two or more. "and/or" is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "comprises A, B and C" and "comprises A, B, C" means that all three of A, B, C comprise, "comprises A, B or C" means that one of A, B, C comprises, "comprises A, B and/or C" means that any 1 or any 2 or 3 of A, B, C comprises.
It should be understood that in the present invention, "B corresponding to a", "a corresponds to B", or "B corresponds to a" means that B is associated with a, and B can be determined from a. Determining B from a does not mean determining B from a alone, but may be determined from a and/or other information. And the matching of A and B means that the similarity of A and B is greater than or equal to a preset threshold value.
As used herein, "if" may be interpreted as "at … …" or "when … …" or "in response to a determination" or "in response to a detection", depending on the context.
The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
The embodiment of the invention provides a replaceable municipal road rainwater infiltration belt, which comprises a rainwater filtration layer, a water storage cavity and a rainwater infiltration layer, wherein the rainwater filtration layer, the water storage cavity and the rainwater infiltration layer are sequentially arranged from top to bottom as shown in figures 1, 2 and 3;
the rainwater filter layer is arranged in a mode of being parallel to the municipal road in a strip mode, the rainwater filter layer is located in the middle of the municipal road or in any one of two sides of the municipal road, the rainwater filter layer and the rainwater permeation layer are respectively prefabricated, and the rainwater filter layer and the rainwater permeation layer are installed, maintained and/or replaced quickly on site. Through above structure, when the rainy condition appears, the rainwater carries out first filtration through rainwater filter layer flow, makes great particulate matter in the rainwater filtered the filter layer surface and/or in the middle of, and the rainwater after being filtered flows to the retaining cavity in the regulation hold and/or flow, and the rainwater that is located the retaining cavity can filter once more and permeate to the underground through the rainwater permeable formation. Through above mode, can carry out the canal storage to the rainwater to source rainwater infiltration underground through face formula, multizone, multiple spot etc. increases local groundwater water storage capacity.
Wherein, the water storage cavity is respectively connected with one and/or a plurality of rainwater embedded pipes. The water storage cavity can be connected with one and/or a plurality of corresponding water inlet pipes and/or water outlet pipes, if the amount of rainwater is too large locally, when the water storage cavity contains all rainwater, water can be fed and/or drained through one and/or a plurality of water inlet pipes and/or water outlet pipes, so that the rainwater in the water storage cavity flows into the position of the rainwater pre-buried pipe for drainage. The rainwater infiltration area can accept the pre-buried tub of rainwater of interior rainwater of landmass along the line and insert, and this rainwater of connecing should get into impurity through the inside filtration in landmass, for example D1 inlet tube, D2 inlet tube, … … …, Dn inlet tube, D1+1 outlet pipe, D2+2 outlet pipe, … … …, Dn + n outlet pipe. Wherein, the distance between the bottom of the rainwater inlet/outlet pipe and the upper surface of the filter layer is at least 0.15 m.
In one embodiment, the town road may have a grade laterally; the rainwater filter layer is located the position of lowest department in the town road slope, along the vertical banded setting of town road. Crossroad slope i of road traffic lane and non-motor vehicle lanej(%), sidewalk transverse slope if(%). The rainwater infiltration zone should satisfy the maximum load requirement under the concrete environment, guarantee to satisfy the ability of overflowing of flood peak after buffer along the line, infiltration, avoid appearing the condition of overflow.
In one embodiment, the rain water filter layer comprises a plurality of single filter plates, which are spliced into the rain water filter layer. The rainwater filter plate comprises a plurality of layers of filter media, and any two adjacent filter media layers are connected through a permeable blocking medium spacer. The rainwater filtering layer is formed by splicing single filtering plates, the length, the width and the height of each filtering plate are L, W, B respectively, each filtering plate is formed by accumulating n layers of filtering media, n is preferably 3 and can be selected according to local requirements, each layer of filtering media is separated by a permeable blocking medium spacer, the filtering layer needs to meet the relevant load requirements of roads, measures for preventing rolling of motor vehicles and bicycles are taken, and the filtering layer has the requirement of bearing rain and snow on the ground or accidental loads. Wherein, the flow area S of the single rainwater filter plate is W.L.
In one embodiment, the rainwater penetration layer comprises a plurality of monolithic penetration plates that are spliced into the rainwater penetration layer. The rainwater infiltration plate is composed of a plurality of infiltration medium layers, and any two adjacent infiltration medium layers are connected through a permeable medium blocking spacer. The rainwater permeable layer is formed by splicing single permeable plates, the length, the width and the height of each single permeable plate are L1, W1 and A respectively, each single permeable plate is formed by accumulating n layers of permeable media, n is preferably 3, and can also be selected according to local requirements, each layer of filtering media is separated by a permeable blocking medium spacer, and the permeable area S1 of each single permeable plate is W1. L1.
According to the technical scheme provided by the invention, a rainwater infiltration facility belt is arranged along the whole line of a road, rainfall is collected to a water infiltration canal through a filtering layer and/or a water inlet pipe along the road, the filtered rainwater is infiltrated in the water infiltration canal along the side flow, the filtering layer and the water infiltration layer module are prefabricated and produced on a large scale in a factory, and are quickly and mechanically assembled, laid and/or replaced and/or maintained on site, the system adopts a source and process infiltration system, so that the local underground water quantity is effectively increased, the flow in the rainwater canal is reduced, the flood peak is lagged, the sizes of the canal along the line and the downstream canal are reduced, and the outstanding problems that the conventional infiltration facility is slow in infiltration, easy to block and difficult to
Embodiments of the present invention also provide a replaceable town road rain infiltration system, as shown in fig. 4, 5, 6 and 7, comprising the above-described town road rain infiltration belt, which may be single or multiple and arranged coaxially.
Wherein, the town road includes the greenbelt. A water passing channel is arranged between the green belt and the municipal road rainwater infiltration belt. Through set up water channel at the greenbelt every certain distance, make things convenient for rainwater to purify infiltration facility area to the rainwater on, and then gather the rainwater of greenbelt department overflow department.
In this embodiment, the road width B, the width of the green belt, the width of the non-motor vehicle lane, the width of the sidewalk, the road length L, and the number of the lanes are determined according to the traffic volume and the related upper level plan. The height hy of the road kerbstone, and the cached filtered water amount are the volume enclosed by the upper surface of the filter layer and the upper surface of the road kerbstone.
As shown in fig. 4, the first embodiment of the rainwater infiltration belt is arranged, the road is a bidirectional road, and 1 rainwater infiltration belt is arranged in the middle of the bidirectional road. Each one-way road surface comprises a sidewalk, a green belt, a non-motor vehicle lane, a motor vehicle lane and a rainwater penetration belt which are sequentially arranged from a red line of a road to a central line of the road. In the present embodiment, the slope in the cross section of the road is toward the lowest point of the center of the road.
As shown in fig. 5, in the second embodiment of the rainwater infiltration belt, the road is a bidirectional road, and the rainwater infiltration belts are arranged on both sides of the bidirectional road. Each one-way pavement comprises a sidewalk, a green belt, a rainwater infiltration belt, a non-motor vehicle lane, a motor vehicle lane and a central separation belt which are sequentially arranged from a red line of the road to a central line of the road. In the present embodiment, the slope in the cross section of the road is toward the lowest point on both sides of the road.
As shown in fig. 6, in the third embodiment of the rainwater penetration zone, the road is a bidirectional road, and the rainwater penetration zones are arranged on both sides of the bidirectional road. Each one-way road surface comprises a sidewalk, a rainwater infiltration zone, a non-motor vehicle lane, a green belt, a motor vehicle lane and a central separation zone which are sequentially arranged from a red line of the road to a central line of the road. In the present embodiment, the slope in the cross section of the road is toward the lowest point on both sides of the road.
As shown in fig. 7, the rainwater infiltration belt is provided in the fourth embodiment, the road is a bidirectional road, and the rainwater infiltration belts are provided on both sides of the bidirectional road. Each one-way road surface comprises a sidewalk, a rainwater infiltration zone, a non-motor vehicle lane, a green belt, a motor vehicle lane and a central greening separation zone which are sequentially arranged from a red line of the road to a central line of the road. In the present embodiment, the slope in the cross section of the road is toward the lowest point on both sides of the road.
An embodiment of the invention also provides a replaceable municipal road rainwater infiltration system setting method, as shown in fig. 8, comprising the municipal road rainwater infiltration system, and further comprising the following steps:
and step S10, acquiring the lateral gradient information of the municipal road, and determining the lower side of the municipal road lateral gradient.
In step S10, for example, to prepare that a road needs to be laid, the method for setting the rainwater infiltration system of the town road may be determined according to the setting of the horizontal gradient of the road, and if the gradient of the middle of the town road is low, the rainwater infiltration belt is set in the middle of the town road, and if the gradients of the two sides of the town road are low, the rainwater infiltration belts are set on the two sides of the town road respectively.
And S20, constructing the excavation groove on the lower side of the municipal road with the lower gradient to form a plurality of tunnels, and arranging a rainwater permeable layer at the bottom of each tunnel. The rainwater permeable layer is prefabricated in a factory for large-scale production, and is quickly and mechanically assembled, paved or replaced on site.
And step S30, arranging a rainwater filtering layer on the surface of the tunnel, so that a water storage cavity is formed between the rainwater permeation layer and the rainwater filtering layer. Wherein the rainwater filtering layer is prefabricated and produced on a large scale in a factory and is quickly and mechanically assembled, laid or replaced on site.
And S40, determining the position of the rainwater embedded pipe in the municipal road, and communicating the rainwater embedded pipe with the water storage cavity through the first water inlet pipe and the second water inlet pipe respectively. Through communicating with the pre-buried pipe of rainwater for the excessive water in the rainwater infiltration area can be through the pre-buried discharge of rainwater, avoids appearing the condition of overflow.
In one embodiment, the method further comprises the following steps:
obtaining the water inflow V of the road rainwater infiltration system, wherein the water inflow V is calculated by the following formula,
wherein T is the duration of a first rainfall, q is the intensity of the rainstorm, Ao is the area of the facility directly bearing the rainfall, A is the service area of the facility, psi is a runoff coefficient, and T is the duration of a second rainfall;
after the correction, the formula is as follows,
acquiring the permeation quantity Vp of a road rainwater permeation system, wherein the permeation quantity Vp is calculated by the following formula,
Vp＝3600tKJAs
wherein K is the permeability coefficient of the permeable layer, J is the hydraulic gradient, and As is the effective permeation area.
According to the existing 'outdoor drainage design specification' that no water is accumulated in at least one lane before and after rainfall, the rainwater storage quantity Vs of the road is obtained according to the road section arrangement form and is calculated by the following formula,
wherein As is the area of the maximum rainfall capacity which can be temporarily stored on the road pavement under each unit length, and L is the road length.
The water inflow V, the penetration quantity Vp and the water storage quantity Vs have the following corresponding relation,
V＝Vp+Vs
in one embodiment, specific parameters such as the width of the filter layer, the width of the permeable layer, the height of the water storage cavity and the like in the embodiment can be determined through calculation of the correlation among the specific water inflow V, the specific permeation quantity Vp and the specific water storage quantity Vs.
In one embodiment, a first automatic baffle and a second automatic baffle are respectively arranged between the water storage cavity and the first water inlet pipe or the water outlet pipe and between the water storage cavity and the second water inlet pipe or the water outlet pipe. And a third automatic baffle is arranged in the water storage cavity between the first water inlet pipe or the water outlet pipe and the second water inlet pipe. Can separate retaining cavity and first inlet tube or outlet pipe and second inlet tube or outlet pipe through first automatic baffle and the automatic baffle of second, can control the retaining cavity rivers flow state in through the automatic baffle of third. When the first water inlet pipe or the water outlet pipe and/or the second water inlet pipe or the water outlet pipe are required to discharge and/or flow into the water body of the water storage cavity, the first automatic baffle and the second automatic baffle are controlled to be opened and/or closed.
And the water storage cavity can also play the effect of reposition of redundant personnel to the water in first inlet tube or outlet pipe and second inlet tube or the outlet pipe, avoids the rainwater great and the condition of overflow to appear in other areas.
The first water inlet pipe or the water outlet pipe, the second water inlet pipe or the water outlet pipe and the water storage cavity are respectively provided with a first flow liquid level sensor, a second flow liquid level sensor and a third flow liquid level sensor.
Respectively acquiring first flow liquid level time information detected by the first flow liquid level sensor, second flow liquid level time information detected by the second flow liquid level sensor and third flow liquid level time information detected by the third flow liquid level sensor, and controlling the first automatic baffle, the second automatic baffle and the third automatic baffle based on an optimal decision scheme obtained by several indexes in the water inflow V, the permeation volume Vp, the water storage volume Vs, the first flow liquid level time information, the second flow liquid level time information and the third flow liquid level time information. The index may be rainfall, rainfall time, etc. The decision scheme may be the following case:
1. opening the first automatic baffle, the second automatic baffle and the third automatic baffle to enable the water storage cavity to be communicated with the first water inlet and outlet pipe and the second water inlet and outlet pipe respectively, and the water storage cavity is communicated with the upstream and downstream;
2. opening the first automatic baffle, opening the second automatic baffle and closing the third automatic baffle to ensure that the water storage cavity is respectively communicated with the first water inlet and outlet pipe and the second water inlet and outlet pipe, and the upstream and downstream of the water storage cavity are not communicated;
3. closing the first automatic baffle, the second automatic baffle and the third automatic baffle to ensure that the water storage cavity is not communicated with the first water inlet pipe and the second water inlet pipe and the upstream and downstream of the water storage cavity are not communicated;
4. closing the first automatic baffle, closing the second automatic baffle and opening the third automatic baffle to ensure that the water storage cavity is not communicated with the first water inlet pipe and the second water inlet pipe and the water storage cavity is communicated with the upstream and the downstream;
5. opening the first automatic baffle, closing the second automatic baffle and opening the third automatic baffle to ensure that the water storage cavity is communicated with the first water inlet pipe and is not communicated with the second water inlet pipe, and the upstream and downstream of the water storage cavity are communicated;
6. opening the first automatic baffle, closing the second automatic baffle and closing the third automatic baffle to ensure that the water storage cavity is communicated with the first water inlet pipe and is not communicated with the second water inlet pipe, and the upstream and downstream of the water storage cavity are not communicated;
7. and closing the first automatic baffle, opening the second automatic baffle and closing the third automatic baffle to ensure that the water storage cavity is not communicated with the first water inlet pipe and the second water inlet pipe and the upstream and downstream of the water storage cavity are not communicated.
8. And closing the first automatic baffle, opening the second automatic baffle and opening the third automatic baffle to ensure that the water storage cavity is not communicated with the first water inlet pipe and is communicated with the second water inlet pipe, and the upstream and downstream of the water storage cavity are communicated.
In the step of obtaining the decision scheme, the method further comprises:
rainfall condition set omega2M rainfall conditions and a rainfall condition set omega2And m rainfall conditions corresponding to the rainfall conditions are combined into omega2＝(e1，e2，…，em)，eiRepresents one of the rainfall cases, i ═ (1, 2, …, m); determining a decision corresponding to the ith rainfall condition from a database system, and establishing a decision matrix Aij：
Wherein, aijIs the corresponding decision of the ith rainfall situation under the dimension j;
respectively calculating the sum C of decision scores of all rainfall conditions i under the dimension j according to the following formulajJ ═ (1, 2, …, p); this formulaComprises the following steps:
determination of all CjMaximum value of CxMixing C withxThe corresponding decision is the optimal decision of the rainfall condition i. The baffle plates are controlled to work according to an optimal decision scheme, so that the water storage and the water discharge of each water inlet pipe are controlled, and water is stored through the water storage cavity on the premise of ensuring that overflow cannot occur. The invention adopts a source and process infiltration system, effectively increases the local underground water quantity, reduces the flow in the rainwater pipe canal, lags the flood peak, reduces the sizes of the pipe canals along the line and at the downstream, can solve the outstanding problems of slow infiltration, easy blockage, difficult maintenance and the like of the conventional infiltration facility, and has stronger practicability.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A replaceable municipal road rainwater infiltration belt is characterized by comprising a rainwater filtration layer, a water storage cavity and a rainwater infiltration layer which are sequentially arranged from top to bottom;
the rainwater infiltration belt is arranged in parallel with the municipal road and is arranged in the middle of the municipal road or at any one of two sides of the municipal road;
the rainwater filtering layer and the rainwater permeable layer are prefabricated respectively.
2. The town road rainwater penetration belt according to claim 1,
the water storage cavity is respectively connected with one or more water inlet pipes of the rainwater embedded pipe, and the downstream of the water storage cavity is respectively connected with one or more water outlet pipes of the rainwater embedded pipe.
3. The town road rainwater penetration belt according to claim 1,
the municipal road is transversely provided with a certain gradient;
the rainwater infiltration belt is arranged at the lowest position in the transverse gradient of the municipal road and is arranged in a belt shape along the longitudinal direction of the municipal road;
the rainwater infiltration belt meets the requirement of maximum rainwater flow load under the design environment.
4. The town road rainwater penetration belt according to claim 1,
the rainwater filtering layer comprises a plurality of single filtering plates which are spliced to form the rainwater filtering layer;
the filter plate is composed of a plurality of layers of filter media, and any two adjacent filter media layers are connected through a permeable blocking medium spacer.
5. The town road rainwater penetration belt according to claim 1,
the rainwater permeation layer comprises a plurality of single permeation plates which are spliced into the rainwater permeation layer;
the penetration plate is composed of a plurality of penetration medium layers, and any two adjacent penetration medium layers are connected through a permeable blocking medium spacer.
6. A replaceable municipal road rainwater penetration system comprising the municipal road rainwater penetration strip according to any one of claims 1 to 5, wherein said municipal road rainwater penetration strip is single or plural and is coaxially disposed.
7. A method of providing a replaceable town road rainwater infiltration system including the town road rainwater infiltration system of claim 6, further comprising the steps of:
acquiring gradient information of the municipal road, and determining the side of the municipal road with the lower gradient;
constructing a trench on one side of the municipal road with a lower gradient to form a plurality of tunnels, and arranging a rainwater penetration layer at the bottom of each tunnel;
arranging a rainwater filtering layer on the surface of the tunnel, so that a water storage cavity is formed between the rainwater permeating layer and the rainwater filtering layer;
and determining the position of the rainwater embedded pipe in the municipal road, and communicating the rainwater embedded pipe with the water storage cavity through one or more water inlet pipes respectively.
8. The method of setting up a town road rainwater infiltration system according to claim 7,
further comprising the steps of:
obtaining the water inflow V of the road rainwater infiltration system, wherein the water inflow V is calculated by the following formula,
wherein T is the duration of a first rainfall, q is the intensity of the rainstorm, Ao is the area of the facility directly bearing the rainfall, A is the service area of the facility, psi is a runoff coefficient, T is the duration of a second rainfall, and 1.25 is a safety factor;
acquiring the permeation quantity Vp of a road rainwater permeation system, wherein the permeation quantity Vp is calculated by the following formula,
Vp＝3 600tKJAs
wherein K is the permeability coefficient of the permeable layer, J is the hydraulic slope and As is the effective permeability area;
acquiring the rainwater storage quantity Vs of the road, wherein the rainwater storage quantity Vs is calculated by the following formula,
wherein As is the area of the maximum rainfall capacity which can be temporarily stored on the road pavement under each unit length, and L is the road length;
the water inflow V, the penetration quantity Vp and the water storage quantity Vs have the following corresponding relation,
V＝Vp+Vs。
9. the method of setting up a town road rainwater infiltration system according to claim 8,
the method further comprises the following steps: the water storage cavity is respectively provided with a 1a automatic baffle, a 2a automatic baffle, … … and a na automatic baffle every 100 m;
the 1a, 2a, … … and na automatic baffles are respectively provided with a 1a flow liquid level sensor, a 2a flow liquid level sensor, … … and a na flow liquid level sensor at the water storage cavity, and the flow liquid level sensors detect flow information, liquid level information, specific flow or time under the liquid level at a set point;
respectively acquiring 1a flow information, 1a liquid level information and 1a time information detected by the 1a flow liquid level sensor, 2a flow information, 2a liquid level information and 2a time information detected by the 2a flow liquid level sensor, … …, and na flow information, na liquid level information and na time information detected by the na flow liquid level sensor;
a 1b automatic baffle, a 2b automatic baffle, … … and an nb automatic baffle are respectively arranged between the water storage cavity and the one or more water inlet pipes or the water outlet pipes;
the 1b, 2b, … …, nb automatic baffles and the water storage cavity are respectively provided with a 1b flow liquid level sensor, a 2b flow liquid level sensor, … … and an nb flow liquid level sensor, and the flow liquid level sensors detect flow information, liquid level information, specific flow or time under the liquid level of a set point;
respectively acquiring 1b flow information, 1b liquid level information and 1b time information detected by the 1b flow liquid level sensor, 2b flow information, 2b liquid level information and 2b time information detected by the 2b flow liquid level sensor, … …, and nb flow information, nb liquid level information and nb time information detected by the nb flow liquid level sensor;
the 1c flow liquid level sensor, the 2c flow liquid level sensor, the … … and the nc flow liquid level sensor are respectively arranged at the 1b automatic baffle, the 2b automatic baffle, the … …, the nb automatic baffle and the water storage cavity;
respectively acquiring 1c flow information, 1c liquid level information and 1c time information detected by the 1c flow liquid level sensor, 2c flow information, 2c liquid level information and 2c time information detected by the 2c flow liquid level sensor, … …, and nc flow information, nc liquid level information and nc time information detected by the nc flow liquid level sensor;
obtaining an optimal decision scheme for the 1a automatic baffle based on a plurality of indexes of the inflow V, the penetration Vp, the water storage quantity Vs, the 1a flow information, the 1a liquid level information, the 1a time information, the 2a flow information, the 2a liquid level information, the 2a time information, … …, the na flow information, the na liquid level information, the na time information, the 1b flow information, the 1b liquid level information, the 1b time information, the 2b flow information, the 2b liquid level information, the 2b time information, … …, the nb flow information, the nb liquid level information, the nb time information, the 1c flow information, the 1c liquid level information, the 1c time information, the 2c flow information, the 2c liquid level information, … …, the nc flow information, the nc liquid level information and the nc time information, The 2a automatic baffle … …, the na automatic baffle, the 1b automatic baffle, the 2b automatic baffle … … and the nb automatic baffle are controlled;
wherein the step of obtaining a decision scheme comprises:
rainfall condition set omega2M rainfall conditions and a rainfall condition set omega2And a method of producing the sameCorresponding m rainfall conditions are combined into omega2＝(e1，e2，…，em)，eiRepresents one of the rainfall cases, i ═ (1, 2, …, m); determining a decision corresponding to the ith rainfall condition from a database system, and establishing a decision matrix Aij：
Wherein, aijIs the corresponding decision of the ith rainfall situation under the dimension j;
respectively calculating the sum C of decision scores of all rainfall conditions i under the dimension j according to the following formulajJ ═ (1, 2, …, p); the formula is:
determination of all CjMaximum value of CxMixing C withxThe corresponding decision is the optimal decision of the rainfall condition i.
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| JPH08199504A (en) * | 1995-01-24 | 1996-08-06 | Eesukon Kogyo Kk | Side ditch |
| CN106245487A (en) * | 2016-08-15 | 2016-12-21 | 东南大学 | The urban road sponge engineering system of combining road maintenance and construction method thereof |
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