CN107237389A - A kind of sponge combination system and its rainwater treatment method suitable for old cell - Google Patents
A kind of sponge combination system and its rainwater treatment method suitable for old cell Download PDFInfo
- Publication number
- CN107237389A CN107237389A CN201710648131.4A CN201710648131A CN107237389A CN 107237389 A CN107237389 A CN 107237389A CN 201710648131 A CN201710648131 A CN 201710648131A CN 107237389 A CN107237389 A CN 107237389A
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- China
- Prior art keywords
- rainwater
- drainpipe
- tank
- combination system
- gabion
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Classifications
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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
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/103—Naturals or landscape retention bodies, e.g. ponds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/08—Down pipes; Special clamping means therefor
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/08—Down pipes; Special clamping means therefor
- E04D2013/0873—Rain water reservoirs integrated in down pipes
-
- 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
Abstract
The present invention relates to a kind of sponge combination system and its rainwater treatment method suitable for old cell, including rainwater tank, gabion and Rain Garden, the water inlet of the rainwater tank is connected by rain pipe with cell rain water on roof, the discharge outlet of the rainwater tank is connected by drainage pipeline with the gabion, and the gabion is connected with the Rain Garden；Overflow well is provided with the Rain Garden, the Rain Garden is connected by the overflow well with underground city planting ductwork.The beneficial effects of the invention are as follows：Different rainfall sponge treatment measures are combined as system, can greatly enhance and ability is collected by filtration to rainwater, to sponge combination system modular, are easy to construction, the transformation cycle is short, cost-effective.
Description
Technical field
The present invention relates to sponge urban construction technical field, more particularly to a kind of sponge combination system suitable for old cell
System and its rainwater treatment method.
Background technology
Rainwater is the important step in city water cycle and region water circulation system, to regulation, supplement regional water, is changed
Kind ecological environment plays extremely crucial effect.The Chinese stage for being in High-speed Urbanization at present, with urbanization water
Flat raising and economic fast development, urban rainwater problem just more show especially out.It is mainly shown as：Rainwater runoff pollution is tight
Weight；Urban Flood Waterlogging increased risk；Rainwater resource is largely lost in；Urban ecological environment destroys serious etc..China's municipal drainage
How urban rainwater is directly discharged and simply relied on " rain dirt point by many also only rest on of the planning and designing of system as soon as possible
In the traditional concepts such as stream ", this will can not meet the requirement of Modern Urban Development and ecological environmental protection.Urban rainwater problem is not only
It is the key factor for restricting the national economic development, and is to threaten people's health and the serious problem of society today of the security of the lives and property.
Some particularly current old cell gutter system imperfections, Permeable stratum area ratio is high, road surface easily occurs
Ponding, the problems such as causing cell waterlogging and rainwater runoff pollution.Therefore, existing old cell rainwater regulating pondage system need to be carried out
Upgrading, but existing remodeling method needs to carry out old cell the excavation of large area to build rainwater-collecting tune mostly
Reservoir, can so generate considerable influence, and whole upgrading process construction to former cell ecological environment and cell pattern
Amount is big, cost is high, and the transformation cycle is long.
Due to old subdistrict greening limited area, underground pipe network builds many using confluence of rainwater and sewage system, causes old cell sea
Silk flossization transformation difficulty is big, cost is high, and rainwater is used as a kind of valuable natural resources, it should be reasonably utilized, for old
On the one hand the transformation of cell spongeization more should can mitigate underground pipe network discharge pressure based on the Collection utilization of rainwater,
On the other hand natural resources is also saved.
The content of the invention
The technical problems to be solved by the invention are for existing old cell spongeization transformation progress is slow, construction cost is high
Defect there is provided a kind of sponge combination system and its rainwater treatment method suitable for old cell.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
According to one aspect of the present invention there is provided a kind of sponge combination system suitable for old cell, including rainwater tank,
Gabion and Rain Garden, the water inlet of the rainwater tank are connected by rain pipe with cell rain water on roof, the row of the rainwater tank
The mouth of a river is connected by drainage pipeline with the gabion, and the gabion is connected with the Rain Garden；Set in the Rain Garden
There is overflow well, the Rain Garden is connected by the overflow well with underground city planting ductwork.
The beneficial effects of the invention are as follows：Differentiation processing is carried out to early-stage rainwater and later stage rainwater, delays peak runoff, saves
About rainwater resource；The different rainfall sponge treatment measures such as rainwater tank, gabion and Rain Garden are combined as system, can be increased
Ability is collected by filtration to rainwater by force；In addition to sponge combination system modular, it is easy to construction, the transformation cycle is short, cost-effective,
Solve the problem of old cell spongeization transformation difficulty is big, cost is high, the transformation cycle is long；It regard different sponge measures as entirety
Consider, floor space is few, can also strengthen the filtration, purification efficiency to rainwater, reduce spongeization transformation and old community resident is lived
Influence, solve existing remodeling method because need mostly to old cell carry out large area excavation with build rainwater-collecting tune
Reservoir and the problem of generate considerable influence to former cell ecological environment and cell pattern.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further：The rainwater tank includes demarcation strip and Multistage filtering device, and described Multistage filtering device is arranged on institute
State in rainwater tank, the demarcation strip is vertically set in the rainwater tank and passes through described Multistage filtering device；Described
The bottom of Multistage filtering device is provided with steel wire；Geotextiles are equipped between filter described in adjacent two-stage.
The beneficial effect of above-mentioned further scheme is：Multi-stage filtration purifying treatment is carried out to rainwater, filter efficiency is improved, adopts
Rainwater tank is separated with demarcation strip, extends the rainwater residence time to strengthen filter efficiency.
Further：It is provided with dmp filter net in the upper end of the rainwater tank, the dmp filter net is arranged on described many
The top of level filter；The dmp filter net and the distance range of the rainwater upper end are 40cm to 50cm.
The beneficial effect of above-mentioned further scheme is：Filtering receipts are carried out to the large volume such as the leaf in rainwater, branch rubbish
Collection.
Further：Osculum, the osculum and the distance at the rainwater tank bottom end are provided with the bottom of the demarcation strip
Scope is 5cm to 10cm.
The beneficial effect of above-mentioned further scheme is：Rainwater in demarcation strip side by filtering is drained into demarcation strip
Opposite side.
Further：Upper drainpipe and lower drainpipe are provided with the outside of the rainwater tank, the upper drainpipe is arranged on institute
State between dmp filter net and described Multistage filtering device, the lower drainpipe is arranged on the osculum and the steel wire
Between；Water check valve is provided with drainpipe on described；Pressure valve is provided with the lower drainpipe.
The beneficial effect of above-mentioned further scheme is：By setting upper drainpipe and lower drainpipe, achievable difference is lasted
The processing of rainfall, at rainfall initial stage, rainfall is big, and rainwater discharge from upper drainpipe, can greatly prolong rainwater leading in rainwater tank
The row time, strengthen purification efficiency, in the rainfall later stage, rainfall is reduced, and when rainwater reaches a certain amount of in rainwater tank, pressure valve is automatic
Open, rainwater is discharged from lower drainpipe, by the closing and unlatching to the different valves of rainwater tank, to early-stage rainwater and later stage rainwater
Differentiation processing is carried out, mainly to strengthen the processing to early-stage rainwater.
Further：The vertical distance range on the upper drainpipe and described Multistage filtering device top for 30cm extremely
40cm。
The beneficial effect of above-mentioned further scheme is：When rainfall is big, increase rainwater residence time in rainwater tank, drop
Low cell rainwater treatment pressure.
Further：The lower drainpipe is located at the top of the osculum, and the lower drainpipe hangs down with the osculum
Straight altitude range is 3cm to 5cm.
Further：The upper drainpipe and the lower drainpipe are located at the same side of the demarcation strip.
Further：The Rain Garden be located at ground level below and the Rain Garden and ground level vertical drop
Scope is 10cm to 20cm.
The beneficial effect of above-mentioned further scheme is：The rainwater of accumulation in gabion is taken advantage of a situation and automatically flow into rainwater flower
Garden, further enhances the purification filtering effect to rainwater.
According to another aspect of the present invention, there is provided a kind of rainwater treatment of the sponge combination system suitable for old cell
Method, comprises the following steps：
Step 1: at rainfall initial stage, closing presure valve opens water check valve, and cell rain water on roof enters after rain pipe
Rainwater tank, from top to bottom successively perpendicular through Multistage filtering device, then passes through osculum into the opposite side of demarcation strip, then by
Under it is supreme successively perpendicular through after Multistage filtering device by upper drainpipe discharge；
, then can be with Step 2: when the rainwater that the rainwater discharged by upper drainpipe enters in gabion, gabion reaches a certain amount of
The mode of overflow enters Rain Garden；
Step 3: when the rainwater in Rain Garden reaches a certain amount of, then city planting ductwork can be entered in the way of overflow；
Step 4: in the rainfall later stage, rainfall is reduced, and closes water check valve, when the rainwater in rainwater tank reaches a certain amount of,
Automatically turned in pressure valve, rainwater is directly discharged by lower drainpipe；
Step 5: the rainwater repeating said steps two and the step 3 discharged by lower drainpipe.
The beneficial effects of the invention are as follows：By controlling being turned on or off for water check valve and pressure valve, to early-stage rainwater and
Later stage rainwater carries out differentiation processing, mainly to strengthen the processing to early-stage rainwater, and the rain to different rainfall durations can be achieved
Water carries out filtration, purification processing, delays peak runoff, saves rainwater resource, then rainwater enters back into gabion and Rain Garden enters one
Step strengthens catharsis, and this increases rain-water accumulating storage also for extension rainwater thetravel times, and later stage rainwater is very clean, therefore choosing
Selecting to be stored in rainwater tank is easy to later life to use.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of rainwater tank of the present invention；
Fig. 3 is the sectional view of rainwater tank of the present invention；
Fig. 4 is the structural representation of gabion of the present invention；
In accompanying drawing, the component names representated by each label are as follows：
1st, cell roofing, 2, rain pipe, 3, rainwater tank, 31, demarcation strip, 311, osculum, 32, dmp filter net, 33, only
Water valve, 34, upper drainpipe, 35, lower drainpipe, 36, pressure valve, 37, filter, 371, sandstone filter layer, 372, cobble mistake
Filtering layer, 373, geotextiles, 374, steel wire, 4, gabion, 41, gabion units, 411, wire basket, 412, filter layer, 5, rainwater flower
Garden, 51, overflow well, 52, overfall.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As depicted in figs. 1 and 2, a kind of sponge combination system suitable for old cell, it includes rainwater tank 3, the and of gabion 4
Rain Garden 5, the water inlet of the rainwater tank 3 is connected by rain pipe 2 with the rainwater of cell roofing 1, the draining of the rainwater tank 3
Mouth is connected by drainage pipeline with the gabion 4, and the gabion 4 is connected with the Rain Garden 5.
The Rain Garden 5 is located at below ground level and the vertical drop scope of the Rain Garden 5 and ground level is
10cm to 20cm.
Overflow well 51 is provided with the Rain Garden 5, the top of the overflow well 51 is higher by 50 lis of the Rain Garden
Five centimetres of meter Zhi Shi；The Rain Garden 5 is connected by the overflow well 51 with underground city planting ductwork.The Rain Garden 5 exists
Overfall 52 is provided with close to the side of the gabion 4, the gabion 4 is connected by the overfall 52 with the Rain Garden 5.
Plant in the Rain Garden 5 be implanted with it is drought-enduring, resistance to flood, the plant that sight is high, such as canna, tawny daylily, cattail and reed, spot
Ye Mang, the golden-rimmed plant such as the tuber of dwarf lilyturf and pink reineckea herb, can need to plant one or more therein according to community scenery.
As shown in Figures 2 and 3, the rainwater tank 3 includes demarcation strip 31 and Multistage filtering device 37, described multistage filtering
Device 37 is arranged in the rainwater tank 3, and the demarcation strip 31 is vertically set in the rainwater tank 3 and through described many
Level filter 37；Steel wire 374 is provided with the bottom of described Multistage filtering device 37；In filter described in adjacent two-stage
Geotextiles 373 are equipped between 37.
Be provided with osculum 311 in the bottom of the demarcation strip 31, the osculum 311 and the bottom of rainwater tank 3 away from
It is 5cm to 10cm from scope；The pore diameter range of the osculum 311 is 8cm to 10cm.
Dmp filter net 32 is provided with the upper end of the rainwater tank 3, the dmp filter net 32 is arranged on described multistage
The top of filter 37；The dmp filter net 32 and the distance range on the top of rainwater tank 3 are 40cm to 50cm.
Upper drainpipe 34 and lower drainpipe 35 are provided with the outside of the rainwater tank 3, the upper drainpipe 34 is arranged on institute
Dmp filter net 32 is stated between described Multistage filtering device 37, the lower drainpipe 35 be arranged on the osculum 311 with
Between the steel wire 374；Water check valve 33 is provided with drainpipe 34 on described；Pressure valve is provided with the lower drainpipe 35
36。
The upper drainpipe 34 and the lower drainpipe 35 are located at the same side of the demarcation strip 31；The upper drainpipe 34
Pipe diameter size scope with the lower drainpipe 35 is 10cm to 15cm；The upper drainpipe 34 is filled with described multistage filtering
The vertical distance range for putting 37 tops is 30cm to 40cm；The lower drainpipe 35 is located at the top of the osculum 311, described
The vertical span of lower drainpipe 35 and the osculum 311 is 3cm to 5cm.
The multistage filter 37 includes sandstone filter layer 371, cobble filter layer 372, and the sandstone filter layer 371 is set
Put in the top of the cobble filter layer 372, provided with soil between the sandstone filter layer 371 and the cobble filter layer 372
Work cloth 373；The steel wire 374 is arranged on the bottom of the cobble filter layer 372.
The thickness range of the sandstone filter layer 371 is the particle diameter of sandstone in 20cm to 25cm, the sandstone filter layer 371
Scope is 0.5mm to 3mm；The thickness range of the cobble filter layer 372 be 20cm to 30cm, in the cobble filter layer 372
The particle size range of cobble is 5mm to 10mm.
As shown in figure 4, the gabion 4 includes multiple gabion units 41, each gabion units 41 include wire basket
411 and filter layer 412, the filter layer 412 is arranged on the bottom of the wire basket 411.Ovum is provided with the filter layer 412
Stone filters particle, and the particle size range of the cobble filtering particle is 15mm to 20mm.
A kind of rainwater treatment method of sponge combination system suitable for old cell, comprises the following steps：
Step 1: at rainfall initial stage, closing presure valve 36 opens water check valve 33, and the rainwater of cell roofing 1 passes through rain pipe 2
Enter rainwater tank 3 afterwards, from top to bottom then enter demarcation strip by osculum 311 perpendicular through Multistage filtering device 37 successively
31 opposite side, then from the bottom to top successively perpendicular through being discharged after Multistage filtering device 37 by upper drainpipe 34；
Step 2: when the rainwater that the rainwater discharged by upper drainpipe 34 enters in gabion 4, gabion 4 reaches a certain amount of, then
Rain Garden 5 can be entered in the way of overflow；
Step 3: when the rainwater in Rain Garden 5 reaches a certain amount of, then city planting ductwork can be entered in the way of overflow；
Step 4: in the rainfall later stage, rainfall is reduced, close water check valve 33, when the rainwater in rainwater tank 3 reach it is a certain amount of
When, automatically turn in pressure valve 36, rainwater is directly discharged by lower drainpipe 35；
Step 5: the rainwater repeating said steps two and the step 3 discharged by lower drainpipe 35.
Embodiment：At rainfall initial stage, the pressure valve 36 of the bottom of rainwater tank 3 is closed in selection, opens the top of rainwater tank 3
Water check valve 33, the rainwater of cell roofing 1 after rain pipe 2 enter rainwater tank 3, from top to bottom successively perpendicular through sandstone filter
Layer 371, geotextiles 373, cobble filter layer 372 and steel wire 374, then by the osculum 311 of the bottom of demarcation strip 31, enter
The opposite side of demarcation strip 31, then from the bottom to top successively perpendicular through steel wire 374, cobble filter layer 372, geotextiles 373 and sand
Discharged after stone filter layer 371 by upper drainpipe 34；In the rainfall later stage, water check valve 33 is closed in selection, when what is accumulated in rainwater tank 3
When rainwater reaches a certain amount of, pressure valve 36 can be automatically turned on, and rainwater is directly discharged by lower drainpipe 35.
The rainwater discharged by upper drainpipe 34 or lower drainpipe 35 enters gabion 4, when the rainwater in gabion 4 is stacked into
When a certain amount of, rainwater enters Rain Garden 5 from overfall 52 automatically, provides irrigation moisture for the plant in Rain Garden 5, works as rain
During hypervolia in spray garden 5, pass through overflow well 51 by the rainwater of filtration, purification and flow into city planting ductwork.
By the water check valve 33 to rainwater tank 3 and the closing and unlatching of pressure valve 36, to early-stage rainwater (very dirty) and later stage
Rainwater is (very clean) to carry out differentiation processing, mainly to strengthen the processing to early-stage rainwater, using demarcation strip 31 by rainwater tank 3
Separate, it is therefore an objective to extend rainwater thetravel times entered back into strengthen filter efficiency, then gabion 4 and Rain Garden 5 further plus
Strong catharsis (this is also for extension rainwater thetravel times, increase rain-water accumulating storage), later stage rainwater is very clean, therefore selection is deposited
Storage is easy to later life to use in rainwater tank 3.
Above-described embodiment is only that the present invention is further illustrated, is not construed as limiting the invention.The appearance of rainwater tank 3
The size of long-pending, upper drainpipe 34 and the lower caliber of drainpipe 35, the threshold value of pressure valve 36 can according to cell roof area, rainfall and
Runoff peak value control efficiency etc. is designed and calculated determination, and the big I of gabion units 41 is adjusted according to gutter size.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of sponge combination system suitable for old cell, it is characterised in that：Including rainwater tank (3), gabion (4) and rainwater
Garden (5), the water inlet of the rainwater tank (3) is connected by rain pipe (2) with cell roofing (1) rainwater, the rainwater tank (3)
Discharge outlet connected by drainage pipeline with the gabion (4), the gabion (4) connects with the Rain Garden (5)；Described
Overflow well (51) is provided with Rain Garden (5), the Rain Garden (5) is connected by the overflow well (51) and underground city planting ductwork
It is logical.
2. a kind of sponge combination system suitable for old cell according to claim 1, it is characterised in that：The rainwater tank
(3) demarcation strip (31) and Multistage filtering device (37) are included, described Multistage filtering device (37) is arranged on the rainwater tank (3)
Interior, the demarcation strip (31) is vertically set in the rainwater tank (3) and passes through described Multistage filtering device (37)；Institute
The bottom for the Multistage filtering device (37) stated is provided with steel wire (374)；It is all provided between filter (37) described in adjacent two-stage
There are geotextiles (373).
3. a kind of sponge combination system suitable for old cell according to claim 2, it is characterised in that：In the rainwater
The upper end of tank (3) is provided with dmp filter net (32), and the dmp filter net (32) is arranged on described Multistage filtering device (37)
Top；The distance range on the dmp filter net (32) and rainwater tank (3) top is 40cm to 50cm.
4. a kind of sponge combination system suitable for old cell according to claim 2, it is characterised in that：Separate described
The bottom of plate (31) is provided with osculum (311), and the distance range of the osculum (311) and rainwater tank (3) bottom is 5cm
To 10cm.
5. a kind of sponge combination system suitable for old cell according to claim 4, it is characterised in that：In the rainwater
The outside of tank (3) is provided with upper drainpipe (34) and lower drainpipe (35), and the upper drainpipe (34) is arranged on the dmp filter
Between net (32) and described Multistage filtering device (37), the lower drainpipe (35) is arranged on the osculum (311) and institute
State between steel wire (374)；Water check valve (33) is provided with drainpipe (34) on described；It is provided with the lower drainpipe (35)
Pressure valve (36).
6. a kind of sponge combination system suitable for old cell according to claim 5, it is characterised in that：The upper draining
The vertical distance range for managing (34) and described Multistage filtering device (37) top is 30cm to 40cm.
7. a kind of sponge combination system suitable for old cell according to claim 5, it is characterised in that：The lower draining
Manage the top that (35) are located at the osculum (311), the lower drainpipe (35) and the vertical height model of the osculum (311)
Enclose for 3cm to 5cm.
8. a kind of sponge combination system suitable for old cell according to claim 5, it is characterised in that：The upper draining
Manage (34) and the lower drainpipe (35) is located at the same side of the demarcation strip (31).
9. a kind of sponge combination system suitable for old cell according to claim 1, it is characterised in that：The rainwater flower
Garden (5) is located at below ground level and the vertical drop scope of the Rain Garden (5) and ground level is 10cm to 20cm.
10. according to a kind of rainwater treatment side of any sponge combination system suitable for old cell of claim 1 to 9
Method, it is characterised in that comprise the following steps：
Step 1: at rainfall initial stage, closing presure valve (36) opens water check valve (33), and cell roofing (1) rainwater passes through rain pipe
(2) enter rainwater tank (3) afterwards, from top to bottom then enter successively perpendicular through Multistage filtering device (37) by osculum (311)
Enter the opposite side of demarcation strip (31), then from the bottom to top successively perpendicular through after Multistage filtering device (37) by upper drainpipe (34)
Discharge；
Step 2: when the rainwater that the rainwater discharged by upper drainpipe (34) enters in gabion (4), gabion (4) reaches a certain amount of,
Rain Garden (5) can then be entered in the way of overflow；
Step 3: when the rainwater in Rain Garden (5) reaches a certain amount of, then city planting ductwork can be entered in the way of overflow；
Step 4: in the rainfall later stage, rainfall is reduced, close water check valve (33), when the rainwater in rainwater tank (3) reach it is a certain amount of
When, automatically turn in pressure valve (36), rainwater directly passes through lower drainpipe (35) and discharged；
Step 5: the rainwater repeating said steps two and the step 3 discharged by lower drainpipe (35).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648131.4A CN107237389B (en) | 2017-08-01 | 2017-08-01 | Sponge combination system suitable for old community and rainwater treatment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648131.4A CN107237389B (en) | 2017-08-01 | 2017-08-01 | Sponge combination system suitable for old community and rainwater treatment method thereof |
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| CN107237389B CN107237389B (en) | 2022-09-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635488A (en) * | 2022-03-24 | 2022-06-17 | 江苏科技大学 | Combined system suitable for sponge transformation of old community and rainwater treatment method |
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| CN205205999U (en) * | 2015-11-23 | 2016-05-04 | 深圳市深港产学研环保工程技术股份有限公司 | Regulation and clean system of rainwater |
| CN105714911A (en) * | 2016-02-03 | 2016-06-29 | 济南轨道交通集团有限公司 | Low-influence region rainwater treatment and utilization system and region rainwater treatment method |
| CN105926755A (en) * | 2016-04-25 | 2016-09-07 | 北京东方雨汇节水环保科技有限公司 | Rainwater split-flow sewage interception well |
| CN106567504A (en) * | 2016-10-28 | 2017-04-19 | 华北水利水电大学 | Building roof rainwater classified collecting-and-treating system and rainwater collecting-and-treating method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635488A (en) * | 2022-03-24 | 2022-06-17 | 江苏科技大学 | Combined system suitable for sponge transformation of old community and rainwater treatment method |
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