CN201924399U - Round surface early-stage rainwater treatment system - Google Patents

Round surface early-stage rainwater treatment system Download PDF

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Publication number
CN201924399U
CN201924399U CN201120018613XU CN201120018613U CN201924399U CN 201924399 U CN201924399 U CN 201924399U CN 201120018613X U CN201120018613X U CN 201120018613XU CN 201120018613 U CN201120018613 U CN 201120018613U CN 201924399 U CN201924399 U CN 201924399U
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CN
China
Prior art keywords
road
rainwater
early
artificial swamp
tile work
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Expired - Fee Related
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CN201120018613XU
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Chinese (zh)
Inventor
孙金龙
夏明军
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HEFEI BINHU NEW DISTRICT CONSTRUCTION INVESTMENT CO Ltd
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HEFEI BINHU NEW DISTRICT CONSTRUCTION INVESTMENT CO Ltd
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Priority to CN201120018613XU priority Critical patent/CN201924399U/en
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Publication of CN201924399U publication Critical patent/CN201924399U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

The utility model relates to the technical field of rainwater treatment, in particular to the rainwater treatment of urban roads. The round surface early-stage rainwater treatment system comprises a rainwater collecting unit arranged on a lane and/or a sidewalk of an urban road, and an artificial wetland arranged on the outer side of the lane or the sidewalk along the urban road; the rainwater collecting unit conveys water to the artificial wetland by a water conveying unit; and the round surface early-stage rainwater treatment system can make contributions to urban road construction and ecological environment construction.

Description

Road surface early-stage rainwater treatment system
Technical field
The utility model relates to the rainwater processing technology field, especially about the rainwater Collecting and dealing of urban road.
Background technology
At present, water treatment problems has been crucial problem in the environmental protection field.Water treatment generally comprises sewerage treatment and early-stage rainwater is handled, and with regard to the scheme of handling, adopts bioanalysis to handle the preferred version of should saying so.Recent two decades comes, and people begin to pay close attention to and study the problem that wetland is handled water.
Name is called the Chinese patent literature of " eutrophication river, Lake Water Body and initial rainwater composite artificial wet land treating system " (publication number CN1935700A), its programme element is handled eutrophication river, Lake Water Body and early-stage rainwater by artificial swamp exactly, this scheme comprises two intake tunnels, one connects the early-stage rainwater gathering system, another connects eutrophication river, Lake Water Body, the document also discloses that the relevant programme of relevant artificial swamp, simultaneously the formation scheme of artificial swamp has also been carried out suitable explanation.The document obviously only limits to solve the handling problem of eutrophication river, Lake Water Body and early-stage rainwater, and the unexposed technical scheme how enforcement is collected to early-stage rainwater, simultaneously artificial swamp is built in the river, the loke shore limit, do not relate to the collection and the handling problem of relevant town rain.
Name is called the Chinese patent literature of " Lakesides early-stage rainwater collection, shunting and ecological purification integrated system " (publication number CN1635227A), put down in writing following technical scheme, in the rainwater intercepting drain, lay the rainwater harvesting pipe, in being connected to rainwater shunting well one side water inlet pipe, be communicated with through a series of pipeline and rainfall regulative pool again, the bottom of rainfall regulative pool is laid pipeline and is connected in the artificial swamp inlet well, enter first~level Four artificial swamp successively by the artificial swamp inlet well again and carry out the rainwater processing, the water body after will handling then drains into the lake.This shows that the disclosed technical scheme of this documents mainly comprises two aspects, the first is implemented rainwater to collect; It two is exactly a formation of improving artificial swamp.
By the disclosed technical scheme of above-mentioned document as can be known, prior art does not all relate to the collection and the handling problem of relevant town rain, does not especially relate to the problem of the collection of town road construction and early-stage rainwater, processing aspect.
Certainly also there is a small amount of document to disclose the technical scheme of aspects such as the utilization of relevant road surface rainwater and processing: the patent documentation that is called " the recycling device of road surface rainwater " (publication number CN201517235U), " rainwater New Process for Treatment-road biological treatment " (publication number CN101531423A) as name, the former mainly is the utilization that solves rainwater, and the latter then is that the mode of having arranged the biofilter material layer between pavior brick and soil horizon is handled rainwater.
Equally, these above-mentioned two schemes do not relate to the problem that town road construction and early-stage rainwater are collected, handled equally.
Simultaneously, after testing, the index of the early-stage rainwater of road environment is as shown in the table:
Commuter zone The commercial area The residential district Remarks
COD 400 500 600 10 minutes
NH3-N 2 2.5 4.5 10 minutes
SS 500 600 800 10 minutes
TP 3.5 4.0 5.0 15 minutes
Each index such as COD reached maximum value when the data that provide in the last table were meant 10 minutes, and wherein the TP index reaches maximum value 15 minutes the time.This shows that the pollutant component in the above-mentioned early-stage rainwater had both constituted the pollution to water body, also can be considered the active ingredient that plant is had certain nutrition.In the prior art, unexposed above-mentioned pollutant component is implemented the good scheme of handling, the effective measures that above-mentioned rainwater composition is rationally utilized in addition are not provided yet.
Summary of the invention
The utility model purpose just provides a kind of road surface early-stage rainwater treatment system of taking into account town road construction and improvement of the ecological environment.
For achieving the above object, the utility model has adopted following technical scheme: a kind of road surface early-stage rainwater treatment system, it is characterized in that: the rainwater collector unit is set on the runway of town road and/or the sidewalk, postpone artificial swamp are set in the runway or the outside, sidewalk, the rainwater collector unit is communicated to artificial swamp through the water delivery unit with early-stage rainwater.
As shown from the above technical solution, when building, town road can directly utilize on-the-spot environment rationally to utilize the earthwork, with the runway planned to build and/sidewalk suitably raises, and the earthwork of raising can obtain nearby, runway and/side on sidewalk takes advantage of a situation and builds up shallow pond nearby, in shallow pond, plant water plants such as pasture and water, reed and constitute artificial swamp, by the rainwater collector unit rainwater is collected and is transported to artificial swamp again and carry out purified treatment.The utility model is not only applicable to newly-built road; be applicable to the reorganization and expansion town road simultaneously; the utility model integrates road construction, rainwater collection and treatment and environmental ecology construction, make overall plans; reduced the pollution of early-stage rainwater effectively; protected water body environment; in addition; artificial swamp can play the water yield of regulating and storing to alleviate the effect of municipal ductwork pressure; artificial swamp directly is attached to the road both sides simultaneously; both beautify environment, also can to greatest extent rainwater have been stayed the locality, helped alleviating urban heat island effect.
Description of drawings
Fig. 1 is a plane of the present utility model schematic top plan view;
Fig. 2,3 is respectively the 1st, 2 embodiment cross-sectional view of the present utility model;
Fig. 4,5 is respectively the local enlarged diagram of the sidewalk part among Fig. 2,3;
Fig. 6 is an I part partial enlarged drawing among Fig. 1;
Fig. 7 is the A-A sectional drawing behind the removal pipeline 40 among Fig. 3.
The specific embodiment
Figure 1 shows that road surface early-stage rainwater treatment system, wherein is runway 10, greenbelt 50, sidewalk 20 and artificial swamp 30 from left to right.
On the runway 10 of town road and/or the sidewalk 20 the rainwater collector unit being set, postpones artificial swamp 30 is set in the runway or the outside, sidewalk, and the rainwater collector unit is communicated to artificial swamp 30 through the water delivery unit with rainwater.The technical scheme that adopts the utility model to provide both had been applicable to newly-built road, also be applicable to road reconstruction, be about to the road both sides and excavate shallow pond, institute's earth excavation can be directly as the earthwork of runway 10 and sidewalk 20 and greenbelt 50, a large amount of earthwork transportations be can save like this, great amount of manpower, financial resources and material resources saved.Again artificial swamp is arranged in the ditch pond of being excavated, the road pavement rainwater is implemented to handle nearby.
Consider the characteristic of road surface early-stage rainwater, be that rainwater has dissolved dusty gas such as airborne a large amount of sour gas, vehicle exhaust, plant gas, behind the rainwater landing ground, wash away roofing, bituminous concrete road, slaughterhouse, vegetable market etc. again, make and contain pollutants such as large amount of organic, pathogen, heavy metal, grease, suspension in the early-stage rainwater, studies show that the main pollution of pavement runoff early-stage rainwater is SS, is COD and heavy metals such as Pb, Zn secondly.Therefore, the plant of structure artificial swamp can be selected reed, Arundo donax, aquatic canna, power flower, Lythrum salicaria etc. again for use, and the fragrant camphor tree of auxiliary plantation, weeping willow etc. can also suitably be adjusted according to local geography and weather conditions.
For convenience of description, the utility model is that example describes with the standard town road that comprises runway, sidewalk and greenbelt.
Below in conjunction with the rainwater collection in Fig. 1,2,3 description line tracks 10 and the technical scheme of artificial swamp 30.
The rainwater collector unit of described runway 10 comprises rainwater receipts well 11, rainwater receipts well 11 is positioned at the edge of runway 10 and arranges at interval along the link length direction, spacing distance is generally 40m, and rainwater receives that the water delivery unit via the pipeline formation is communicated with between well 11 and the artificial swamp 30.
Described artificial swamp 30 is along the length direction on runway 10 and sidewalk 20 layout that postpones, longitudinal gradient is arranged longitudinal gradient size and direction setting with road longitudinal gradient and rainwater master, artificial swamp 30 is to be connected mutually by the wetland unit that integral body is ditch pond shape to constitute, and overflow weir 31 is set between the adjacent wetland unit.
For the road that road side stone 12 is set, preferred version is described rainwater to be received well 11 arrange near the road side stone 12 at runway 10 edges, rainwater is received between well 11 and the artificial swamp 30 has pipeline 40 to be communicated with, pipeline 40 can select the UPVC pipe to get final product, pipeline 40 1 ends that constitute the water delivery unit are connected rainwater and receive the bottom of well 11 near the place, shaft bottom, consider that exactly pipeline 40 1 ends are connected rainwater and receive the bottom of well 11 near the shaft bottom and a little more than the shaft bottom, can avoid mud to stop up the mouth of pipe like this, the other end is connected in the ditch pond of artificial swamp 30, and this end of receiving artificial swamp 30 also should be considered the water surface a little more than artificial swamp 30.Under the prerequisite that satisfies the sidewalk foundation depth, reduce rainwater as far as possible and receive the degree of depth of well 11, suitably the lengthening rainwater is received the length of well 11 along the road length direction, reduce the depth of burying of pipeline 41, thereby reduce the degree of depth of artificial swamp 30, make artificial swamp 30 be the more shallow shallow water shape of water.
The wetland unit of described formation artificial swamp 30 is corresponding with rainwater receipts well 11 distance at interval along the length of road direction, each rainwater is received between well 11 and the wetland unit connecting pipeline 40 is set, pipeline 40 is connected to the upstream of corresponding wetland unit, so just can guarantee that the rainwater that enters corresponding wetland unit can obtain in time in this unit, handle fully and purify, in addition, the wetland unit of downstream links to each other with municipal Storm Sewer Network, as shown in Figure 1, the tail end of the wetland unit of downstream is provided with overflow well 32, overflow well 32 enters municipal Storm Sewer Network through piping 42, can guarantee so in time to enter rivers by municipal Storm Sewer Network through the rainwater of effectively handling and purifying, can reduce the possibility that waterlogging takes place, give the rivers lake body supply water yield simultaneously.
Rainwater collector unit about sidewalk 20 has two kinds of embodiment preferred, below specifies.
Embodiment 1
Shown in Fig. 2,4, the rainwater collector unit on described sidewalk 20 comprises tile work road surface 21, and the width on tile work road surface 21 is small angle inclination, and the 21 lower outsides, tile work road surface are positioned at side slope one side in the ditch pond of artificial swamp 30.It in the present embodiment low-angle ramped shaped of tile work road surface 21 being arranged to flare, the principle of utilizing the slope to return water in time is transported to rainwater in the artificial swamp 30 of sidewalk 20 sides, this structure not only simply but also direct, the structure that hinder walking are not set again simultaneously, have guaranteed the smooth of 20 road surfaces, sidewalk.The rainwater at greenbelt 50 a places part is oozed the confession plant absorbing naturally down, and rainfall can be along slope current to sidewalk one side and roadway one side when big.
Consider the direct water of crossing of pavement surface, the preferred version that the utility model is done is that big ground tile paving is selected on described tile work road surface 21 for use, and 21 belows, tile work road surface are followed successively by deck 23, plain soil layer.
Scheme is that the angle of inclination of the width on described tile work road surface 21 is 2% more specifically, the overall leveling that the selection of this gradient had not only guaranteed the road surface simultaneously but also can not influence pedestrian's normal walking, the deck 23 of tile work road surface below 21 can be according to local geology state reasonable disposition.
Embodiment 2
Shown in Fig. 3,5, the rainwater collector unit on described sidewalk 20 comprises tile work road surface 21, tile work road surface 21 selects for use ecological permeable brick to lay, 21 belows, tile work road surface are followed successively by permeable tack coat a and graded broken stone layer 22 from top to bottom, graded broken stone layer 22 links to each other with an end of pipeline 41, and the other end of pipeline 41 is communicated with artificial swamp 30.Because of permeable brick surface material is expensive, can arrange at interval with the road longitudinal gradient, can establish 1 meter or 3 meters water brick surface layers in per 10 meters sidewalks, can be determined on a case-by-case basis, be the charge for remittance place but must be located at minimum point.
The scheme that pipeline 41 is communicated with artificial swamp 30 has two kinds, and the first is directly received artificial swamp 30 by pipeline 41, and it two is pipeline 41 to be received rainwater receive behind the well 11 and to receive the pipeline 40 that well 11 connected by rainwater and be transported to artificial swamp 30.Below second kind of scheme elaborated.
The width on described tile work road surface 21 is small angle inclination, 21 lower inboards, tile work road surface are positioned at runway 10 1 sides, described graded broken stone layer 22 is provided with french drain 221 near the bottom of runway 10 1 sides, french drain 221 cross sections are funnel-form, one end of pipeline 41 is positioned at french drain 221, can guarantee effectively like this that rainfall is big and part water that have little time down to ooze to soil can in time be drained, because receiving well 11 with rainwater, the other end of pipeline 41 is communicated with, rainwater just can be transported to artificial swamp 30 via pipeline 40, at french drain 221 and rainwater receipts well 11 pipeline 41 is set, its pipe range is shorter, in fact is exactly the basic width of greenbelt 50, and it is remarkable to save tubing.
Under the situation that has little time to ooze down at soil matrix top layer rainwater, in order to ensure the infiltration effect, the ponding unit is selected following scheme for use: the angle of inclination of the width on described tile work road surface 21 is 2%, a higher side is positioned at artificial swamp 30 1 sides, 21 belows, tile work road surface are followed successively by permeable bonding leveling layer a, graded broken stone layer 22 from top to bottom to the plain soil layer of compacting, be convenient to like this rainwater quick drainage to french drain 221 places, receive well 11 by pipeline 41 ejectments to rainwater more simultaneously, be transported to artificial swamp 30 by pipeline 40 again and implement purified treatment.
Embodiment 3
Take all factors into consideration based on economy and rainwater collection efficiency many-side, select for use small size to lay permeable brick and large tracts of land is laid general big floor tile, concrete scheme is exactly: described tile work road surface 21 selects for use ecological permeable brick to lay section 21A and the big alternate layout of ground tile paving section 21B, permeable brick is laid the laying length of the section 21A weak point of comparing with the laying length of ground tile paving section 21B greatly, permeable brick is laid between the big ground tile paving section 21B that section 21A is adjacent with little slope or mima type microrelief transition, as shown in Figure 6.
Such scheme essence is exactly to adopt the big ground tile paving of price general charged than long one section, lay the permeable brick of a bit of distance then, both laying lengths are than the ratio that generally can select 1: 10, not only save the expense while but also guaranteed collection rainwater effect, usually can consider that the permeable brick of laying 1 meter length then lays 10 meters long general big floor tile, concrete condition according to site contour, can select suitable length than and permeable brick lay the gradient between the big ground tile paving section 21B that section 21A is adjacent, guarantee that like this rainwater is effectively collected at a permeable brick laying section 21A place along the mima type microrelief gradient, lay at permeable brick and the rainwater that pipeline will ooze down to be set under the section 21A to drain into artificial swamp 30 places rapidly, amount of rainfall is bigger, the rainwater that has little time down to ooze to soil is drained into artificial swamp 30 rapidly under the drainage of the mima type microrelief gradient, as Fig. 3 and shown in Figure 7.
Need to prove that the rainwater on the greenbelt 50 wishes that generally it oozes to replenish the need of plant growing under suitable naturally, rainwater has little time down more greatly to ooze, and is then drained by runway 10 and 20 places, sidewalk.Specific to the rainwater collection and treatment on different roads sidewalk, can adopt above single or combination measure according to its section and field condition, method and principle repeat no more.

Claims (12)

1. road surface early-stage rainwater treatment system, it is characterized in that: on the runway of town road (10) and/or sidewalk (20) the rainwater collector unit is set, postpone artificial swamp (30) be set in runway (10) or sidewalk (20) outside, the rainwater collector unit is communicated to rainwater through the water delivery unit artificial swamp (30).
2. road surface according to claim 1 early-stage rainwater treatment system, it is characterized in that: the rainwater collector unit of described runway (10) comprises rainwater receipts well (11), rainwater is received wells (11) and is positioned at the edge of runway (10) and arranges at interval along the link length direction, and rainwater receives that the water delivery unit via the pipeline formation is communicated with between wells (11) and the artificial swamp (30).
3. road surface according to claim 1 early-stage rainwater treatment system, it is characterized in that: the rainwater collector unit of described sidewalk (10) comprises tile work road surface (21), the width on tile work road surface (21) is small angle inclination, and the lower outside, tile work road surface (21) is positioned at artificial swamp (30) one sides.
4. road surface according to claim 1 early-stage rainwater treatment system, it is characterized in that: the rainwater collector unit of described sidewalk (10) comprises tile work road surface (21), tile work road surface (21) selects for use ecological permeable brick to lay, below, tile work road surface (21) is followed successively by graded broken stone layer (22) and soil matrix layer from top to bottom, graded broken stone layer (22) links to each other with an end of pipeline (41), and the other end of pipeline (41) is communicated with artificial swamp (30).
5. according to claim 1 or 2 or 3 or 4 described road surface early-stage rainwater treatment systems, it is characterized in that: described artificial swamp (30) is along the length direction of runway (10) and/or sidewalk (20) layout that postpones, artificial swamp (30) is to be shallow pond shape wetland unit by integral body to connect mutually and constitute, and overflow weir (31) is set between the adjacent wetland unit.
6. road surface according to claim 1 and 2 early-stage rainwater treatment system, it is characterized in that: described rainwater is received well (11) and is arranged near the road side stone (12) at runway (10) edge, rainwater is received between wells (11) and the artificial swamp (30) has pipeline (40) to be communicated with, pipeline (40) one ends that constitute the water delivery unit are connected the place, close shaft bottom, bottom that rainwater is received well (11), and the other end is connected in the artificial swamp (30).
7. road surface according to claim 3 early-stage rainwater treatment system is characterized in that: big ground tile paving is selected on described tile work road surface (21) for use, and tile work road surface (21) below is followed successively by deck (23), plain soil layer.
8. road surface according to claim 4 early-stage rainwater treatment system, it is characterized in that: the width on described tile work road surface (21) is small angle inclination, lower inboard, tile work road surface (21) is positioned at runway (10) one sides, described graded broken stone layer (22) is provided with french drain (221) near the bottom of runway (10) one sides, french drain (221) cross section is funnel-form, one end of pipeline (41) is positioned at french drain (221), and the other end is received well (11) with rainwater and is communicated with.
9. according to claim 3 or 7 described road surface early-stage rainwater treatment systems, it is characterized in that: the angle of inclination of the width on described tile work road surface (21) is 2%, and tile work road surface (21) below is followed successively by deck (23), plain soil layer from top to bottom.
10. according to claim 4 or 8 described road surface early-stage rainwater treatment systems, it is characterized in that: the angle of inclination of the width on described tile work road surface (21) is 2%, and tile work road surface (21) below is followed successively by permeable bonding leveling layer a, graded broken stone layer (22), plain soil layer from top to bottom.
11. road surface according to claim 5 early-stage rainwater treatment system, it is characterized in that: the wetland unit of described formation artificial swamp (30) is corresponding with rainwater receipts wells (11) distance at interval along the length of road direction, each rainwater is received between well (11) and the wetland unit connecting pipeline (40) is set, pipeline (40) is connected to the upstream of corresponding wetland unit, and the wetland unit of downstream links to each other with municipal Storm Sewer Network.
12. road surface according to claim 5 early-stage rainwater treatment system, it is characterized in that: described tile work road surface (21) selects for use ecological permeable brick to lay section (21A) and the big alternate layout of ground tile paving section (21B), the laying length that permeable brick is laid section (21A) weak point of comparing with the laying length of big ground tile paving section (21B), permeable brick are laid between the big ground tile paving section (21B) that section (21A) be adjacent with little slope or mima type microrelief transition.
CN201120018613XU 2011-01-20 2011-01-20 Round surface early-stage rainwater treatment system Expired - Fee Related CN201924399U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102080395A (en) * 2011-01-20 2011-06-01 合肥市滨湖新区建设投资有限公司 Road surface initial-rainwater treatment system
CN105174484A (en) * 2015-10-30 2015-12-23 武汉中科水生环境工程股份有限公司 Invisible ecological filter tank system and method for collecting and reusing initial rainwater

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102080395A (en) * 2011-01-20 2011-06-01 合肥市滨湖新区建设投资有限公司 Road surface initial-rainwater treatment system
CN105174484A (en) * 2015-10-30 2015-12-23 武汉中科水生环境工程股份有限公司 Invisible ecological filter tank system and method for collecting and reusing initial rainwater
CN105174484B (en) * 2015-10-30 2017-08-08 武汉中科水生环境工程股份有限公司 The stealthy ecological filter tank system and method for reuse are collected for early-stage rainwater

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Granted publication date: 20110810

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