CN207958057U - Rain processing system - Google Patents

Rain processing system Download PDF

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Publication number
CN207958057U
CN207958057U CN201721636984.8U CN201721636984U CN207958057U CN 207958057 U CN207958057 U CN 207958057U CN 201721636984 U CN201721636984 U CN 201721636984U CN 207958057 U CN207958057 U CN 207958057U
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China
Prior art keywords
rainwater
rain
pond
layer
gravel
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CN201721636984.8U
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Inventor
王子钊
蒲文鹏
吴秀伟
阮燕霞
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Guangda Sponge City Development (zhenjiang) Co Ltd
Guangda Water Science And Technology Development (nanjing) Co Ltd
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Guangda Sponge City Development (zhenjiang) Co Ltd
Guangda Water Science And Technology Development (nanjing) Co Ltd
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Abstract

The utility model provides a kind of rain processing system, including storage pond, the first module for rainwater in processing region and the second module for rainwater outside processing region;First module includes ecology tree pond and Rain Garden, and the ecology tree pond and the Rain Garden are connect with the storage pond;Second module includes flowing to Storm Sewer Network, rainfall pumping station, filter tank elevator pump and filter tank connected in sequence along rainwater, and the filter tank is connect with the storage pond.The rain processing system handles rainwater, rainwater is set to reach the water quality that greening is used mixedly, " ooze, is stagnant, store, is net, use, row " aggregate measures in integrated use sponge city in theory, rainwater is turned waste into wealth, it realizes the comprehensive utilization of rainwater, while can dramatically alleviate the waterlogging problem of water catchment area.

Description

Rain processing system
Technical field
The utility model belongs to municipal works technical field, is to be related to a kind of rain processing system more specifically.
Background technology
With the development of wastewater treatment in China, China's point-source pollution situation has been effectively controlled.China is to rainwater at present The intensification of recycling understanding and gradually highlighting for urban waterlogging problem, the theory of sponge urban construction is come into being.Now, rain Water runoff pollution of area source has become the primary pollution source of Urban Water Environment.For rainwater runoff pollution processing main method be: In the place of usefully condition, certain transformation is carried out to plot, is built the facilities such as Rain Garden, ecology tree pond, storage pond, is adopted With the method that underlying surface is transformed into gravel layer, to rainfall runoff carry out certain time storage and it is a small amount of under ooze, to mitigate rain The pollution or waterlogging pressure that water runoff zones are come.
But Rain Garden, ecology tree pond, grass planting ditch etc. belong to original position treatment facility, handle rainfall runoff ability It is limited, can only treatment facility one's respective area rainwater, the rainfall runoff of entire water catchment area can not be handled.To dirty caused by rainfall runoff Dye and waterlogging problem improve limited.Storage pond belongs to regional treatment facility, but itself does not have the ability of purifying rainwater, is storing up During depositing rainwater, the pollutant that rainwater carries can be precipitated to storage pond bottom so that the rain of storage pond drained storage every time It is required for rinsing after water, causes the energy and the wasting of resources.Therefore, the prior art has much room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of rain processing systems, cannot be effective to solve existing equipment or system Pollution and waterlogging caused by rainfall runoff are solved, so that purifying rainwater runoff inefficiency, technical problem of high cost.
To achieve the above object, the technical solution adopted in the utility model is:
A kind of rain processing system, including storage pond, for rainwater in processing region the first module and be used for treatment region Second module of overseas rainwater;
First module includes ecology tree pond and Rain Garden, the ecology tree pond and the Rain Garden with it is described Storage pond connects;
Second module includes flowing to Storm Sewer Network, rainfall pumping station, filter tank elevator pump and filter connected in sequence along rainwater Pond, the filter tank are connect with the storage pond.
Further, ecology tree pond includes the pond body being set under the first road surface, the bottom end opening of the pond body, institute It states and is equipped in pond body for the natural soil portion of plant tree and the circular portion of soil naturally and is sequentially arranged along gravity direction First medium soil layer, the first gravel layer, the second gravel layer and third gravel layer;First gravel layer, second gravel layer It is sequentially increased with the grain size of gravel in the third gravel layer, the first of collection and purification rainwater is equipped in the third gravel layer and is worn Hole blind pipe, the portion of soil naturally are equipped with bark coating, and the top surface of the bark coating is less than and the ecology tree pond phase The first adjacent road surface, the first perforation blind pipe are connected with the storage pond.
Further, the portion of soil naturally is in reversed round bench shaped.
Further, first road surface is equipped with the permeable pavement layer for retaining suspended matter in the rain, the first via Face has the 4th gravel layer, and the second perforation blind pipe for collecting filtering rainwater is provided in the 4th gravel layer, and described the Two perforation blind pipes are connected with the storage pond.
Further, the distance on the top surface of the bark coating to first road surface is 150mm-250mm.
Further, the Rain Garden includes overflow well and around the overflow well and along gravity direction successively cloth Second medium soil layer, the 5th gravel layer, the 6th gravel layer and the 7th gravel layer set, the 5th gravel layer, the 6th gravel Grain size of gravel in rock layers and the 7th gravel layer is sequentially increased, and is equipped in the 7th gravel layer and is used for collection and purification rainwater Third perforate blind pipe, third perforation blind pipe is connected with the storage pond;The top of the second medium soil layer is equipped with For the concave surface of serike and water storage, the horizontal plane of the well head of the overflow well be located at adjacent second road surface with it is described recessed Between the minimum point horizontal plane in face, and the bottom end of the overflow well is equipped with overflow pipe.
Further, it is provided with road tooth between the Rain Garden and second road surface.
Further, the horizontal plane of the well head is less than the second road surface 8cm-12cm, and the horizontal plane of the well head Higher than the minimum point horizontal plane 12cm-18cm of the concave surface.
Further, the well head for stating overflow well is equipped with decorative well lid.
Further, second mould filter tank in the block replaces with super magnetic separating apparatus.
The utility model provides rain processing system, handles rainwater classification, for the rainfall in a water catchment area, Divided into region rainwater outside rainwater and region, rainwater is with the first module (including ecology tree pond and Rain Garden) in region It is handled, rainwater the second module (including Storm Sewer Network connected in sequence, rainfall pumping station, filter tank elevator pump and filter outside region Pond) it is handled, rainwater is sorted out and carries out specific aim processing, meanwhile, it introduces in sanitary sewage disposal for intensive treatment Filter tank technology makes the rainwater treatment capability improving of system.The rain processing system handles rainwater, and rainwater is made to reach greening The water quality used mixedly, " ooze, is stagnant, storing, net, use, row " aggregate measures in integrated use sponge city in theory, by rainwater change give up into Treasured realizes the comprehensive utilization of rainwater, while can dramatically alleviate the waterlogging problem of water catchment area;It is applicable in city public Garden, larger area public lawn, there is cell, school of certain land used condition etc. or other to have the rainwater of suitable criteria range comprehensive It closes processing and utilizes.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram for the storm-water system that the utility model embodiment provides;
Fig. 2 is the ecology tree pond cross-sectional view in the storm-water system that the utility model embodiment provides;
Fig. 3 is the Rain Garden cross-sectional view in the storm-water system that the utility model embodiment provides;
Fig. 4 is the first grass planting ditch cross-sectional view in the storm-water system that the utility model embodiment provides;
Wherein, each reference numeral in figure:
The first modules of 1-;The second modules of 2-;3- storage ponds;4- storage pond elevator pumps;5- greenbelts;The Landscape Regions 6-;7- sprays Spring;11- ecology trees pond;12- Rain Gardens;The careless planting ditches of 13- first;21- Storm Sewer Networks;22- rainfall pumping stations;The filter tanks 23- are promoted Pump;The filter tanks 24-;The careless planting ditches of 25- second;
111- pond bodies;The soil portions naturally 112-;1121 trees;113- first medium soil layers;The first gravel layers of 114-;115- Two gravel layers;116- third gravel layers;The perforation blind pipes of 117- first;118- bark coatings;The first road surfaces 119-, 1191- are saturating Water pave-load layer;The 4th gravel layers of 1110-;The perforation blind pipes of 1111- second;
121- overflow wells;1211- well heads;1212- overflow pipes;122 second medium soil layers;1221- concave surfaces;123- Five gravel layers;The 6th gravel layers of 124-;The 7th gravel layers of 125-;126- thirds perforation blind pipe;The second road surfaces 127-;The roads 128- Tooth;129- hollow out well lids.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed System, is merely for convenience of describing the present invention and simplifying the description, does not indicate or imply the indicated device or element is necessary With specific orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, Term " first ", " second " etc. are used for description purposes only, and are not understood to indicate or imply relative importance or implicit finger The quantity of bright indicated technical characteristic." first " is defined as a result, the feature of " second " can explicitly or implicitly include One or more this feature.
Also referring to Fig. 1-Fig. 4, the rain processing system now provided the utility model embodiment is described in detail, The rain processing system includes storage pond 3, for the first module 1 of rainwater in processing region and for rainwater outside processing region Second module 2;First module 1 includes ecology tree pond 11 and Rain Garden 12, ecology tree pond 11 and Rain Garden 12 with regulate and store Pond 3 connects;Second module 2 includes flowing to Storm Sewer Network 21 connected in sequence, rainfall pumping station 22,23 and of filter tank elevator pump along rainwater Filter tank 24, filter tank 24 are connect with storage pond 3.
The utility model provides rain processing system, handles rainwater classification, for the rainfall in a water catchment area, Divided into region rainwater outside rainwater and region, rainwater with the first module 1 (including spend by ecology tree pond 11 and rainwater in region Garden 12) it is handled, rainwater the second module 2 (including Storm Sewer Network connected in sequence 21, rainfall pumping station 22, filter tank outside region Elevator pump 23 and filter tank 24) it is handled, rainwater is sorted out and carries out specific aim processing, meanwhile, it introduces in sanitary sewage disposal For the filter tank technology of intensive treatment, make the rainwater treatment capability improving of system.The rain processing system handles rainwater, Rainwater is set to reach the water quality used mixedly of greening, " ooze, is stagnant, storing, net, use, row " synthesis in integrated use sponge city in theory is arranged It applies, rainwater is turned waste into wealth, realize the comprehensive utilization of rainwater, while can dramatically alleviate the waterlogging problem of water catchment area;It can Suitable for park in city, the public lawn of larger area, there are cell, school of certain land used condition etc. or other to have suitable item The rainwater integrated treatment and utilization in part region.
Specifically, in rainfall, in region rainwater by gravity flow, into ecology tree pond 11, Rain Garden 12, etc. it is in situ at Facility is managed, rainwater is collected after the filtration of in-situ treatment facility by perforation blind pipe, into storage pond 3.Rainwater outside region It is collected by the Storm Sewer Network 21 built and enters rainfall pumping station 22, initial rainwater is promoted to filter tank 24 by filter tank elevator pump 23 It is handled, the rainwater handled through filtering ponds 24, for a part by gravity from managing, gravity flow enters storage pond 3, supplements rainwater in situ The deficiency of reuse amount is arranged outside remaining treated rainwater.Monitoring water level equipment is set in storage pond 3, and when regulating and storing, pool water level reaches To after predetermined water level, that is, the solenoid valve controlled on the gravity pipe behind filter tank 24 is closed, and is no longer intake into storage pond 3.With The progress of rainfall, the processing capacity in filter tank 24 is gradually saturated, and the water quality of later stage rainwater is relatively preferable at this time, is reaching filter tank After 24 processing limits, 23 termination of pumping of filter tank elevator pump, rainwater is drained flooded fields by rainfall pumping station 22.
Specifically, the rainwater being stored in storage pond 3 pumps out use as desired by storage pond elevator pump 4, such as logical The pouring of greenbelt 5 and the water system moisturizing to Landscape Region 6 can be carried out by crossing after storage pond elevator pump 4 is promoted, the water system end in Landscape Region 6 End, setting overflow port (figure does not mark), is more than the water of setting water level, by being arranged outside overflow.There is higher landscape need for some The case where, 7 facility of fountain can be increased on ground, fountain 7 is because that may contact human body, using tap water as water source, by spray The water that spring 7 sprays collects reuse to the water system of Landscape Region 6.
Further, as a kind of specific implementation mode of rain processing system provided by the utility model, the second module 2 In filter tank 24 replace with super magnetic separating apparatus or potassium permanganate composites, the two is attained by the same effect in filter tank 24.
Further, as a kind of specific implementation mode of rain processing system provided by the utility model, such as Fig. 2 should Ecological tree pond 11 includes the pond body 111 being set under the first road surface 119, and the bottom end opening of pond body 111, pond body 111 is interior to be equipped with use First Jie being sequentially arranged in the natural soil portion 112 of plant tree 1121 and around nature soil portion 112 and along gravity direction Matter soil layer 113, the first gravel layer 114, the second gravel layer 115 and third gravel layer 116;First gravel layer 114, the second gravel Grain size of gravel in layer 115 and third gravel layer 116 is sequentially increased, and is equipped in third gravel layer 116 and is used for collection and purification rainwater The first perforation blind pipe 117, naturally soil portion 112 be equipped with bark coating 118, described in the top surface of bark coating 118 is less than First road surface 119, the first perforation blind pipe 117 are connected with storage pond 24.In the ecology tree pond 11:Natural soil in pond body 111 Portion 112 is used for plant tree 1121, and the bark coating 118 in soil portion 112 reduces moisture transpiration naturally, keeps soil permeability Trample caused by (respiration) and soil are exposed is hardened, is more advantageous to the growth of trees 1121 in this way;And around nature soil portion 112 medium soil layer 113, the first gravel layer 114, the second gravel layer 115, the third gravel layers 116 being sequentially arranged can purify ground The rainfall runoff oozed under table, the rainwater after final purification is collected by the first perforation blind pipe 117 to be used for follow-up equipment;Cause This, the ecology tree pond 11 integrate rainwater storage, under blend purification multifunctional, effective purifying rainwater runoff prevents soil stream It loses, makes full use of water resource.Pond body 111 is preferably in cylindrical shape or rectangular shape, and pond body 111 can be made of concrete Cylinder or cuboid, the bodily form selected according to actual landform.
Further, in the ecology tree pond 11:Naturally soil portion 112 is in for rounding bench-type shape.When because of arboreal growth, trees The upper end of root is coarseer, and lower end root is more and more thinner, in order to make full use of the space in ecology tree pond, naturally soil portion 112 In for rounding bench-type shape, can not only having kept the soil needed for trees ' root in this way, but can lower section be laid with more gravels and Medium soil, with preferably purifying rainwater, it is preferable that the gradient of the cross section in the natural soil portion 112 of the rounding bench-type is 1:2.Together When, the preferably various large-scale arbors of trees 1121.
Further, in the ecology tree pond 11:The thickness of first medium soil layer 113 is 550mm-650mm.Medium soil is one The larger non-natural soil of kind sandy soil accounting, soil is high naturally for rainwater infiltration speed ratio, but the content of organic matter and fertility are less than nature Soil.Medium soil layer in the thickness range is set around soil portion 112 naturally, is more advantageous to the rainwater infiltration of trees ' root, preferably The thickness of 600mm, rainwater infiltration best results.
Further, in the ecology tree pond 11:The distance on the top surface of bark coating 118 to the first road surface 119 is 150mm-250mm;Bark coating 118 mainly makes ecology tree pond can be with water storage, less than the first road surface less than the first road surface In the range of 150mm-250mm, the rainwater in ecology tree pond can be purified effectively, reach a cyclic process;And most preferably, bark When the top surface of coating 118 is less than the first road surface 200mm, rainwater purification efficiency is best.Further, bark coating 118 Thickness be 45mm-55mm, preferably 50mm, to oozing property under rainwater and the comprehensive of soil permeability is kept to make in the thickness range With best.
Because the grain size of gravel in the first gravel layer 114, the second gravel layer 115 and third gravel layer 116 is sequentially increased, so The thickness of first gravel layer 114 is that the grain size of gravel in the gravel layer 114 of 45mm-55mm, preferably 50mm, first is 2mm-10mm. The thickness of second gravel layer 115 is that the grain size of gravel in the gravel layer 115 of 45mm-55mm, preferably 50mm, second is 13mm-25mm. The thickness of third gravel layer 116 is 240mm-260mm, and the grain size of gravel in third gravel layer 116 is 50mm-75mm.First gravel Grain size of gravel minimum in rock layers 114 plays buffering to medium soil when such rainwater flows down and makees closer to the medium soil grain size on upper layer With three layers of gravel layer are in the preferred thickness and particle size range, you can effectively prevent the loss of medium soil, and can make under rainwater It oozes and is purified.
Further, the first road surface 119 is equipped with permeable pavement layer 1191, and the first road surface 119 has the 4th gravel layer 1110, and the second perforation blind pipe 1111 for collecting filtering rainwater is provided in the 4th gravel layer 1110.Rainwater is in permeable pavement layer Infitration process in 1191 so that suspended matter is filtered and is retained, to rainwater carry out it is pretreated simultaneously, also infiltration fed ground Lower water increases rain penetration, the flow velocity for lowering storm runoff, flow, extends the residence time, extenuates discharge pressure in this way.Second The rainwater that perforation blind pipe 1111 is collected can be used for follow-up equipment use;Meanwhile the 4th gravel layer 1110 thickness and grain size selection As third gravel layer 116, thickness 240mm-260mm, grain size of gravel 50mm-75mm.
Further, as a kind of specific implementation mode of rain processing system provided by the utility model, such as Fig. 3 should Rain Garden 12 includes overflow well 121 and the second medium soil layer for surrounding overflow well 121 and being sequentially arranged along gravity direction 122, the 5th gravel layer 123, the 6th gravel layer 124 and the 7th gravel layer 125, the 5th gravel layer 123, the 6th gravel layer 124, Grain size of gravel in 7th gravel layer 125 is sequentially increased, and is equipped in the 7th gravel layer 125 and is worn for the third of collection and purification rainwater Hole blind pipe 126;The top of second medium soil layer 122 is equipped with the concave surface 1221 for serike and water storage, overflow well 121 Well head 1211 horizontal plane between adjacent second road surface 129 and the minimum point horizontal plane of concave surface 1221, and overflow well 121 bottom end is equipped with overflow pipe 1212.In the Rain Garden 12, the surface of medium soil layer 122 therein is used for serike, is One concave surface 1221 occurs can be used for accumulation rainwater when rainfall runoff in this way, and the level of the well head 1211 of overflow well 121 Face between adjacent second road surface 129 and the minimum point horizontal plane of concave surface 1221, such rainwater accumulation to well head 1211 with It when upper water level, can flow into overflow well 121, and by the overflow pipe 1212 of 121 bottom end of overflow well, rainwater is discharged in time; Meanwhile second medium soil layer 122, the 5th gravel layer 123, the 6th gravel layer 124 being sequentially arranged around 121 surrounding of overflow well With the 7th gravel layer 125, the rainwater not flowed into overflow well in concave surface 1221 can further be oozed down, purified treatment, most Purified rainwater perforates the collection of blind pipe 126 for follow-up equipment use by third eventually.Therefore, the Rain Garden 12, not only Can effective purifying rainwater, while can effectively solve the waterlogging generated when heavy rain, it is highly effective to alleviating rainfall runoff.Preferably, Overflow well 121 is in cylindrical shape or rectangular shape, and further, overflow well 121 is mixed mud well, i.e., overflow well 121 can To be cylinder or cuboid made of concrete, the bodily form is selected according to actual landform.The well of overflow well 121 Mouth 1211 is equipped with hollow out well lid 129.The hollow out well lid 129 is decorative well lid, can prevent rubbish in rainwater etc. from slightly making Object enters in overflow well 121.
Specifically, which is that traditional flower bed or greenery patches are transformed, completely by primitive nature therein soil It changes and fills out as medium soil, lower graveling, centre wears overflow well 121.Wherein, concave surface 1221 facilitate collection and save rainwater, The stronger eciophyte of adaptability of choosing seeds on concave surface 1221 is as greening.In LID (low influence utility strategies) facility, rainwater The ability of garden treatment rainwater is stronger, and under porous pavement connected to it, perforation blind pipe can not be re-layed according to concrete condition. Most of all, rainwater pours in down a chimney to the second road surface 127 when overflow well 121 is arranged to prevent heavy rain in Rain Garden, therefore overflow The horizontal plane of the well head 1211 of well 121 is flowed not above the second road surface 127, does not otherwise have overflow effect;But if setting mark It is high too low, then it cannot give full play to pondage capacity of the Rain Garden to rainwater.Further, the well head 1211 of overflow well 121 is low In the second road surface 8cm-12cm, and the well head 1211 of overflow well 121 is higher than the minimum point horizontal plane 12cm- of concave surface 1221 18cm.In this way, in the range, effectively rainwater can be discharged by overflow well, while playing pondage capacity.
Further, it is provided with road tooth 128 between the Rain Garden 12 and the second road surface 127.Preferably, use is open Road tooth facilitates rainwater to flow into rainwater.In the Rain Garden 12, the thickness of second medium soil layer 122 is 550mm-650mm.It is situated between Matter soil is a kind of non-natural soil that sandy soil accounting is larger, and soil is high naturally for rainwater infiltration speed ratio, but the content of organic matter and fertility It is native less than naturally.Medium soil layer in the thickness range is set around overflow well 121, is more advantageous to the rain accumulated in Rain Garden It oozes under water, preferably the thickness of 600mm, rainwater infiltration best results.
Further, in the Rain Garden 12, because in the 5th gravel layer 123, the 6th gravel layer 124, the 7th gravel layer 125 Grain size of gravel be sequentially increased, so the thickness of the 5th gravel layer 123 be 45mm-55mm, preferably 50mm, the 5th gravel layer 123 In grain size of gravel be 2mm-10mm.The thickness of 6th gravel layer 124 is 45mm-55mm, preferably 50mm, the 6th gravel layer 124 In grain size of gravel be 13mm-25mm.The thickness of 7th gravel layer 125 is 240mm-260mm, the gravel in the 7th gravel layer 125 Stone grain diameter is 50mm-75mm.Grain size of gravel minimum in 5th gravel layer 123 is closer to the medium soil grain size on upper layer, such rain Medium soil is worked as a buffer when underwater stream, three layers of gravel layer are in the preferred thickness and particle size range, you can effectively prevent The loss of medium soil, and rainwater infiltration can be made to be purified.
Further, as a kind of specific implementation mode of rain processing system provided by the utility model, ecology tree pond 11 and Rain Garden 12 pass through the first careless planting ditch 13 and connect.Grass planting ditch major function be at two detach rainwater treatment facility it Between connect, play the role of transmitting rainwater, because the major function of grass planting ditch is not rainwater purification and runoff rate buffering, therefore not With carrying out medium soil and change to fill out, under also not embedded perforation blind pipe collect rainwater, grass planting ditch will take into account more park green land landscape Function, the roads Bu She tooth are separated with peripheral path, and gradient is set as curve gentle slope.Because of the rainwater conflux face of grass planting ditch general service Product is bigger than other facilities in situ, and bottom of slope to grade elevation must have certain depth, to ensure that rainwater is transmitting in the case of normal precipitation Ground will not be overflowed in the process, and grass planting trench depth and grass planting ditch service area, local characteristics of rainfall, landform etc. are related.It is setting Timing is according to local rainfall formula and rainwater control targe, in conjunction with the comprehensive determination such as grass planting ditch arrangement trend and the gradient.This implementation The depth of the first grass planting ditch 13 is 30cm in example.When ecology tree pond 11 and Rain Garden 12 are connected by the first careless planting ditch 13 When, first medium soil layer 113 and second medium soil layer 122 can be linked to be one layer, similarly, the 5th gravel layer of the first gravel layer 114 123 can be linked to be one layer, and the second gravel layer 115 and the 6th gravel layer 124 can be linked to be one layer, third gravel layer 116 and the 7th gravel Layer 125 is linked to be one layer.It is further preferred that filter tank 24 can be connect by the second careless planting ditch 25 with storage pond 3, effect and first Careless planting ditch 13 is identical.
An area in certain city is 2.9km2The rainwater park for having built about 6 hectares of area of water catchment area uses this The rain processing system of utility model carries out rainwater integrated treatment utilization.In this example, Rain Garden and grass planting ditch amount to face Product 2165m2, permeable pavement 3839m2, regulate and store tankage 500m3, filter tank treating capacity 25000m3/ d, rainfall pumping station drainability 8m3/s.By the engineering construction, run-off is cut in 44% in the water catchment area;The pollutants index such as TSS, COD ammonia nitrogen and TP Reduction rate is respectively 62%, 56%, 52%, 49%, realizes rainwater runoff pollution and waterlogging control in water catchment area.The park Interior landscape water, greening, which are poured, spills the rainwater that uses that treated with water, realizes the comprehensive utilization of rainwater.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims (10)

1. a kind of rain processing system, which is characterized in that the first module and use including storage pond, for rainwater in processing region In the second module of rainwater outside processing region;
First module includes ecology tree pond and Rain Garden, and the ecology tree pond and the Rain Garden are regulated and stored with described Pond connects;
Second module includes flowing to Storm Sewer Network, rainfall pumping station, filter tank elevator pump and filter tank connected in sequence, institute along rainwater Filter tank is stated to connect with the storage pond.
2. rain processing system as described in claim 1, which is characterized in that it is described ecology tree pond include be set to the first road surface it Under pond body, the bottom end opening of the pond body is equipped with the natural soil portion for plant tree in the pond body and described in surrounding Naturally soil portion and the first medium soil layer, the first gravel layer, the second gravel layer and the third gravel that are sequentially arranged along gravity direction Layer;Grain size of gravel in first gravel layer, second gravel layer and the third gravel layer is sequentially increased, the third The first perforation blind pipe equipped with collection and purification rainwater in gravel layer, the portion of soil naturally is equipped with bark coating, the bark The top surface of coating is less than first road surface, and the first perforation blind pipe is connected with the storage pond.
3. rain processing system as claimed in claim 2, it is characterised in that:Naturally the soil portion is in reversed round bench shaped.
4. rain processing system as claimed in claim 2, it is characterised in that:First road surface is equipped with for retaining in the rain The permeable pavement layer of suspended matter, first road surface has the 4th gravel layer, and is provided with collection in the 4th gravel layer The second perforation blind pipe of rainwater is filtered, the second perforation blind pipe is connected with the storage pond.
5. rain processing system as claimed in claim 2, it is characterised in that:The top surface of the bark coating is to described first The distance on road surface is 150mm-250mm.
6. rain processing system as described in claim 1, which is characterized in that the Rain Garden includes overflow well and surround The overflow well and second medium soil layer, the 5th gravel layer, the 6th gravel layer and the 7th gravel being sequentially arranged along gravity direction Layer, the grain size of gravel in the 5th gravel layer, the 6th gravel layer and the 7th gravel layer is sequentially increased, and the described 7th The third perforation blind pipe for collection and purification rainwater is equipped in gravel layer, the third perforation blind pipe is connected with the storage pond It is logical;The top of the second medium soil layer is equipped with the concave surface for serike and water storage, the water of the well head of the overflow well Plane is between adjacent second road surface and the minimum point horizontal plane of the concave surface, and the bottom end of the overflow well is equipped with overflow Pipe.
7. rain processing system as claimed in claim 6, it is characterised in that:Between the Rain Garden and second road surface It is provided with road tooth.
8. rain processing system as claimed in claim 6, it is characterised in that:The horizontal plane of the well head is less than second tunnel Face 8cm-12cm, and the horizontal plane of the well head is higher than the minimum point horizontal plane 12cm-18cm of the concave surface.
9. rain processing system as claimed in claim 6, it is characterised in that:The well head of the overflow well is equipped with hollow out well Lid.
10. such as claim 1-9 any one of them rain processing systems, which is characterized in that second mould is in the block described Filter tank replaces with super magnetic separating apparatus or potassium permanganate composites.
CN201721636984.8U 2017-11-29 2017-11-29 Rain processing system Active CN207958057U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109380090A (en) * 2018-11-13 2019-02-26 上海十方生态园林股份有限公司 A kind of eco-species plant hole rain recycling system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109380090A (en) * 2018-11-13 2019-02-26 上海十方生态园林股份有限公司 A kind of eco-species plant hole rain recycling system

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