CN203174745U - Vertical rainwater zoned drainage system - Google Patents
Vertical rainwater zoned drainage system Download PDFInfo
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- CN203174745U CN203174745U CN2013201569326U CN201320156932U CN203174745U CN 203174745 U CN203174745 U CN 203174745U CN 2013201569326 U CN2013201569326 U CN 2013201569326U CN 201320156932 U CN201320156932 U CN 201320156932U CN 203174745 U CN203174745 U CN 203174745U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
The utility model discloses a vertical rainwater zoned drainage system, comprising a low elevation greenbelt, a low area rainwater drainage facility and a high area rainwater drainage facility; the low area rainwater drainage facility comprises a municipal rainwater inspection shaft, a road rainwater opening arranged on a curbside and a spread flow rainwater opening arranged on the low elevation greenbelt; the high area rainwater drainage facility comprises an overflow type rainwater opening arranged on the low elevation greenbelt, a water collecting pool and an emergency rainwater drainage pump set, the overflow type rainwater opening is connected with the water collecting pool, the water collecting pool is connected with the emergency rainwater drainage pump set, and the output opening of the emergency rainwater drainage pump set is communicated with an urban flood draining ditch, a gully or a depression; the municipal rainwater inspection shaft is communicated with the spread flow rainwater opening, the road rainwater opening is connected with an overflow communication pipe, and the outlet of the overflow communication pipe is communicated with the low elevation greenbelt. The overflow type rainwater opening is designed in a manner of P being larger than P; and the slow flowing type rainwater opening is designed in a manner of P being less than or equal to P. The vertical rainwater zoned drainage system can prevent potential hazard, effectively prevent the water logging caused by torrential rain, guarantee the personal and property safety, and change the after-disaster passive rescue into pre-disaster active prevention.
Description
Technical field
The utility model belongs to cities and towns low-lying regional heavy rain waterlogging diaster prevention and control technical field, particularly a kind of rainwater vertical division block drainage system.
Background technology
Nearly two year-climates are unusual, and heavy rain takes place frequently, and low-lying location, cities and towns such as underground type building, sunk type square, the road interchange waterlogging such as section that sinks is serious, gently then causes the pedestrian to be obstructed and traffic paralysis, and are heavy then cause personal injury and the heavy losses of property.For relief waterlogging disaster, expend a large amount of manpower financial capacities.With regard to its reason, mainly contain following disappearance and deficiency:
1, the rainwater part in the Code for design of outdoor sewerage engineering biases toward conventional rainfall (P≤P in the design recurrence interval scope
If) get rid of, to heavy rain (P 〉=P
IfGreater than the design recurrence interval) time prevent and treat theory and technical measures are indeterminate.
2, cities and towns are used sclerosis roofing, ground in a large number, and ground rainwater runoff rain peak height, time, (sclerosis roofing, ground referred generally to concrete, cement, bituminous sheaths, and waterproof, coarse number is little, and water flows fast, impermeable on the whole soon.If be non-hard surface, as meadow, sandstone face, at first with rainwater infiltration (ooze down saturated after just surface flow), coarse number is big for it, and water flows slow.So hardened ground is used in urban construction fast development in recent years in a large number, make that the high rainfall of ground rainwater runoff Yu Mine is big, the time is fast, be one of major reason that causes heavy rain formation), the rapid ponding in low lying areas lacks prophylactico-therapeutic measures again, and the waterlogging disaster just is difficult to avoid.
3, the seriousness understanding to heavy rain waterlogging disaster is not enough, to heavy rain diaster prevention and control, all is the passive type transporting that lags behind basically, and the emergency relief lacks the preceding prophylactico-therapeutic measures of heavy rain.
At present realistic situation, how to realize the waterlogging that heavy rain produces is given to prevent and treat in advance, eliminate or reduce the relief afterwards of waterlogging disaster, ensure personal safety as well as the property safety, become urban sewerage and drainage project engineering field problem anxious to be solved.Here the heavy rain of saying is not meteorological upward heavy rain grade classification, and refers to surpass design recurrence interval (P 〉=P
If) amount of precipitation.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of can eliminate waterlogging, discharge the rainwater vertical division block drainage system of ponding fast.
It is as follows that the utility model solves the problems of the technologies described above first technical scheme of taking: a kind of rainwater vertical division block drainage system is characterized in that: comprise that up concave type greenery patches, low district rainwater are got rid of facility and high district rainwater is got rid of facility; Low district rainwater get rid of facility comprise municipal rainwater inspection well, be located at the road limit roads rain inlet, be located at the cross flow formula inlet for stom water in up concave type greenery patches; High district rainwater is got rid of facility and is comprised overflow-type inlet for stom water, collecting-tank and the emergent storm-water drainage pump group that is located at the up concave type greenery patches, the overflow-type inlet for stom water is connected with collecting-tank through pipeline, collecting-tank links to each other with emergent storm-water drainage pump group, and emergent storm-water drainage pump group delivery outlet and city tidal channel or gully or depression communicate; The municipal administration rainwater inspection well is communicated with cross flow formula inlet for stom water (through the rainwater arm), and roads rain inlet is connected with overflow communicating pipe, and the outlet of overflow communicating pipe is communicated with the up concave type greenery patches.
The overflow-type inlet for stom water is according to P＞P
IfDesign; Cross flow formula inlet for stom water is according to P≤P
IfDesign.Wherein: P-actual demand (recurrence interval) amount of precipitation, namely to select according to the importance of design section and to the standard of control waterlogging, the P value is exactly actual demand, and its value is certainly greater than P
IfP
If-design recurrence interval amount of precipitation, i.e. the design recurrence interval that requires according to national regulation.
First technical scheme is applicable to the newly-built drainage system against rain in city.
It is as follows that the utility model solves the problems of the technologies described above second technical scheme of taking: a kind of rainwater vertical division block drainage system, comprise conventional rainwater eliminating facility, and it is characterized in that: the height district rainwater that also comprises general greenery patches is got rid of facility; High district rainwater is got rid of facility and is comprised overflow-type inlet for stom water, collecting-tank and emergent storm-water drainage pump group; The water inlet of overflow-type inlet for stom water is higher than the water inlet of roads rain inlet, the overflow-type inlet for stom water was connected with roads rain inlet through overflow communicating pipe, the overflow-type inlet for stom water is connected with collecting-tank through pipeline, collecting-tank is connected with emergent storm-water drainage pump group, and emergent storm-water drainage pump group delivery outlet and city tidal channel or gully or depression communicate.
Second technical scheme is to get rid of the drainage system against rain that facility combines with the existing conventional rainwater, is adapted to the reconstruction on conventional rainwater eliminating facility basis.These conventional rainwater are got rid of facility and are included municipal rainwater inspection well and the roads rain inlet that is located at the road limit, and municipal rainwater inspection well bottom is provided with municipal rainwater pipe.On existing rainwater removal system basis, in conjunction with the utility model, namely use the novel water discharge technology of rainwater vertical division block, can realize heavy rain is produced the control in advance of waterlogging, eliminate and reduce the relief afterwards of waterlogging disaster, have important preventive and therapeutic effect to ensureing personal safety as well as the property safety etc.
The emergent storm-water drainage pump group of first technical scheme and second technical scheme is provided with water pump automatic starting device and remotely controlling display device.When heavy rain took place, excess surface water surpassed the rainfall thickness of a certain recurrence interval, and stormwater overflow is to collecting-tank, and water pump starts automatically, otherwise stopped transport automatically.Change according to amount of rainfall, separate unit, multiple linkage fortune are stopped automatically, realize Long-distance Control, reach management automation and centralization.
Further, first technical scheme also is connected rainwater utilization pump group with the collecting-tank of second technical scheme.
The utility model is that the thickness of the unit rain amount that produces carries out subregion draining continuously according to the ascending continuous process of rainfall, and inlet for stom water and elevation change and the rainwater pump house of meeting an urgent need is implemented with increasing; So be referred to as " vertical formula subregion draining ".The utility model is with in the storm drain area, the different recurrence intervals on different buildings and ground are calculated rainwater thickness, the overflow elevation of different inlets for stom water is set, (refers to smaller or equal to the design recurrence interval) during light rain that rainwater directly enters the urban rainwater road through the low level inlet for stom water; (refer to greater than the design recurrence interval) during heavy rain that rainwater enters emergency rainwater booster pump chamber through high-order overflowing rain water mouth.So can utilize the drainability of municipal Storm Sewer Network to greatest extent, do not turn round during booster pump chamber light rain, just move when having only heavy rain.The utility model is suitable for urban district, newly-built, the reconstruction and extension project in suburb, and it can take full advantage of the urban rainwater road, and still by former storm-water system operation, the emergency pump house starts when heavy rain in the design recurrence interval, and draining the water away prevents damage caused by waterlogging.The utility model has increased inlet for stom water quantity investment and booster pump chamber compared with the prior art, emergency pump house light rain need not, use during heavy rain, operating cost is little, energy consumption is low.
Reasonability of the present utility model, economy are as described below:
1, heavy rain vertical division block draining meets heavy rain and prevents and treats theory, is existing
HaveImprove on the storm-water system basis and development, can increase amount of rainfall rapidly and get rid of, control heavy rain waterlogging disaster, the construction investment that increases and present heavy rain relief measure, compare as the full-sized car pumping plant, investment is more or less the same, but maximum benefit is that it nips in the bud, and can effectively prevent and treat the waterlogging disaster that heavy rain produces, guarantee personal safety as well as the property safety, the manpower and materials that also can save greatly after a torrential rain brings floods expend, and are with Passive Salvage after the calamity, become the preceding actively control of calamity.
2, the high sound zone system of newly-built rainwater, namely high district rainwater is got rid of facility, and capital equipment is to set up the emergent rainfall pumping station of underground type, it is after heavy rain takes place, and excess surface water surpasses the rainfall thickness of a certain recurrence interval, and stormwater overflow is to collecting-tank, water pump starts automatically, otherwise stops transport automatically.Change according to amount of rainfall, separate unit, multiple linkage fortune are stopped automatically, realize Long-distance Control, reach management automation and centralization.
3, rainwater vertical division block draining, the organic joint of having realized getting rid of with original conventional rainwater facility (low sound zone system) also is extension and the development of low sound zone system, it both had been adapted to newly-built enlarging, alteration work preferably.
4, the construction of high sound zone system is the rainwater comprehensive utilization, and very advantageous conditions is provided, and can take full advantage of pump house and water collecting pool volume, realizes that greening, carwash, road water and spill water supply, save tap water.
Elaborating of the utility model flow process and function:
1, different rainwater recurrence interval, different hour rainfall thickness is just arranged, just realize the subregion eliminating with thickness, be exactly from planar (the low depth of water) gravity current with present rainwater wipe-out mode, develop to vertical formula (the high depth of water) gravity current, form two autonomous systems of low district rainwater stream and high district's rainwater stream, increased rainwater eliminating amount and realized the control of rainwater recurrence interval.
2, the low rainwater stream of distinguishing is the basis in early stage that high district rainwater flows, high district rainwater stream is that the development of low district rainwater current is extended, namely the amount of rainfall smaller or equal to the design rainwater recurrence interval enters the urban rainwater net, amount of rainfall greater than the design recurrence interval enters high district rainwater stream, drain into lake, river, irrigation canals and ditches or establish the rainwater storage pond, the heavy rain ponding of in time getting rid of or regulate and store by the pressurization of emergency bilge pump room.
3, hang down district's rainwater and flow and the high rainwater stream of distinguishing, use the overflow-type inlet for stom water that is located at the roads rain inlet on road limit and is located at the greenery patches; Or in the up concave type greenery patches, establish cross flow formula inlet for stom water and overflow-type inlet for stom water, collect separately rainwater respectively after, enter storm-water system separately.
4, the overflow elevation of overflow-type inlet for stom water, by the required value greater than the design recurrence interval, calculate hour rainfall thickness after, just can determine the high process control of vertical rainwater subregion.Reason is established on the opinion and is said, can a plurality of subregion, but say on actual the use, only divide the requirement of two subregion Jiu Neng Full foots.
5, the high rainwater stream of distinguishing generally still considers that with the gravity flowing full fed distance should not be too far away, generally enters the pump house collecting-tank nearby, pump house mostly is underground type, is the emergent independent drainage system of anti-heavy rain, near the gully Hu Chi can draining into, as do not have this condition, can establish the rainwater storage pond.
(P 〉=P when 6, emergency rainwater pump house is heavy rain
IfGreater than the rainwater rainfall of design recurrence interval), according to collecting-tank water level height automatic start-stop, but change the many cooperatings of separate unit or stoppage in transit with amount of rainfall, implement long-range demonstration and control.
7, emergency rainwater pump house water pump is selected, and displacement is by in the super rainwater recurrence interval scope, and the volume that hour rainfall thickness and catchment area multiply each other is determined; Lift depends on that the outlet opening depth displacement adds along journey and local losses.Water pump Yi2---4Tai, percentage reserve should be carried to more than 50%.
8, cross flow formula inlet for stom water is exactly on the Ordinary Rd inlet for stom water, and the sand setting volume is suitably left in the bottom; The weir crest elevation of overflow-type inlet for stom water can be determined by heavy rain recurrence interval rainwater unit thickness and the difference that designs rainwater recurrence interval unit rainwater thickness.
Description of drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is another kind of embodiment of the present utility model,
Fig. 3 is existing conventional design recurrence interval P≤P
IfThe storm-water system flow chart,
Fig. 4 is the utility model storm-water system flow chart for reconstruction,
Fig. 5 is for newly-built the utility model storm-water system flow chart.
Among the figure: 1-municipal rainwater inspection well, 2-municipal rainwater pipe, 3-roads rain inlet, 4-overflow communicating pipe, 5-rainwater arm, 6-cross flow formula inlet for stom water, 7-overflow-type inlet for stom water, 8-up concave type greenery patches, general greenery patches, 9-collecting-tank,
10-delivery outlet, i.e. storm-water drainage mouth, 11-emergency storm-water drainage pump group, 12-rainwater comprehensive utilization pump group, 13-reserve rainwater interface, 14-high district rainwater pipe.
The specific embodiment
Embodiment 1: as shown in Figure 1: a kind of rainwater vertical division block drainage system comprises that up concave type greenery patches 8, low district rainwater are got rid of facility and high district rainwater is got rid of facility; Low district rainwater get rid of facility comprise municipal rainwater inspection well 1, be located at the road limit roads rain inlet 3, be located at the cross flow formula inlet for stom water 6 in up concave type greenery patches 8; High district rainwater is got rid of facility and is comprised overflow-type inlet for stom water 7, the collecting-tank 9 and emergent storm-water drainage pump group 11 that is located at up concave type greenery patches 8, overflow-type inlet for stom water 7 is connected with collecting-tank 9 by high district rainwater pipe 14, collecting-tank 9 is connected with emergent storm-water drainage pump group 11, and the delivery outlet 10 of emergent storm-water drainage pump group 11 and city tidal channel or gully or depression communicate; Municipal administration rainwater inspection well 1 is communicated with cross flow formula inlet for stom water 6 by rainwater arm 5, and roads rain inlet 1 is connected with overflow communicating pipe 4, and overflow communicating pipes 4 outlet is communicated with up concave type greenery patches 8.Collecting-tank 9 is located at underground with emergent storm-water drainage pump group 11.
The overflow-type inlet for stom water is according to P＞P
IfDesign; Cross flow formula inlet for stom water is according to P≤P
IfDesign, wherein: P-recurrence interval actual demand amount of precipitation, namely select P according to the importance of design section and to the standard of control waterlogging
If-design recurrence interval amount of precipitation, i.e. the design recurrence interval that requires according to national regulation.Municipal administration rainwater inspection well 1 bottom is provided with municipal rainwater pipe 2, and municipal rainwater pipe 2 inserts the urban rainwater net.Collecting-tank 9 also is connected with rainwater comprehensive utilization pump group 12, rainwater comprehensive utilization pump group 12 is provided with reserves rainwater interface 13, after the heavy rain, the water of collecting-tank 9 is by rainwater comprehensive utilization pump group 12 and stay rainwater interface 13, be used for connecing greening, watering and spill road water nozzle, water for fire mouth, rainwater is fully utilized.
Emergent storm-water drainage pump group 11 is provided with water pump automatic starting device and remotely controlling display device; When heavy rain took place, excess surface water surpassed the rainfall thickness of a certain recurrence interval, and stormwater overflow is to collecting-tank, and water pump starts automatically, otherwise stopped transport automatically.Change according to amount of rainfall, separate unit, multiple linkage fortune are stopped automatically, realize Long-distance Control, reach management automation and centralization.
Embodiment 2: as shown in Figure 2: a kind of rainwater vertical division block drainage system, comprise conventional rainwater eliminating facility, and conventional rainwater is got rid of facility and is comprised municipal rainwater inspection well, municipal rainwater pipe 2, roads rain inlet 3 and rainwater arm 5; Rainwater vertical division block drainage system also comprises high district's rainwater eliminating facility; High district rainwater is got rid of facility and is comprised overflow-type inlet for stom water 7, collecting-tank 9 and emergent storm-water drainage pump group 11; The water inlet of overflow-type inlet for stom water 7 is higher than the water inlet of roads rain inlet 1, overflow-type inlet for stom water 7 was connected with roads rain inlet 1 through overflow communicating pipe 4, overflow-type inlet for stom water 7 is connected with collecting-tank 9 by high district rainwater pipe 14, collecting-tank 9 is connected with emergent storm-water drainage pump group 11, and the delivery outlet 10 of emergent storm-water drainage pump group 11 and city tidal channel or gully or depression communicate.Collecting-tank 9 also is connected with rainwater comprehensive utilization pump group 12, and rainwater comprehensive utilization pump group 12 is provided with reserves rainwater interface 13; Emergent storm-water drainage pump group 11 is provided with water pump automatic starting device and remotely controlling display device.
The utility model is that the difference of vertical rainwater subregion drainage system and conventional rainwater eliminating facility is: referring to Fig. 3, the ground rainwater of existing conventional is got rid of, and comprises rain water on roof and ground rainwater.Rain water on roof through roof drain, vertical tube, cause aproll, with ground rainwater, enter greenery patches or road formula inlet for stom water, insert the urban rainwater net through the rainwater pipe.Here claim that this conventional system is the low sound zone system of rainwater, namely conventional rainwater is got rid of facility, is called for short low district flow process.Adopt the vertical rainwater subregion drainage system of the utility model second technical scheme, referring to Fig. 4 when the generation heavy rain (P〉P
If), rainfall intensity strengthens, the amount of rainfall surge, rainfall thickness surpasses design recurrence interval rainfall thickness, and rainwater, flows into and is located at overflow-type inlet for stom water newly-built in the greenery patches through overflow communicating pipe through roads rain inlet, enter newly-built collecting-tank, namely pass through emergent storm-water drainage pump group by emergent rainwater pump house again, pass through emergent rainwater pump house more namely by the storm-water drainage pump group of meeting an urgent need, enter gully or depression or flood control works nearby.This newly-built system is called the high district of rainwater storm-water system, and namely high district's rainwater eliminating facility is called for short high district flow process.Adopt the vertical rainwater subregion drainage system of the utility model first technical scheme, referring to Fig. 5, the rain water on roof of multistory building and ground rainwater flow into roads rain inlet, enter the up concave type greenery patches, (P≤P during conventional rainfall
If), the rainwater in up concave type greenery patches enters low district flow process, namely inserts the Urban Rainwater Pipe Networks system by cross flow formula inlet for stom water, low district's rainwater pipe (municipal inlet for stom water); When heavy rain takes place (P〉P
If), the rainwater in up concave type greenery patches enters high district flow process simultaneously, namely enter the height district rainwater eliminating facility that overflow-type inlet for stom water, collecting-tank and emergent storm-water drainage pump group are formed, just enter overflow-type inlet for stom water, collecting-tank successively, namely pass through emergent storm-water drainage pump group by emergent rainwater pump house again, enter gully or depression or flood control works nearby.
Claims (6)
1. a rainwater vertical division block drainage system is characterized in that: comprise that up concave type greenery patches (8), low district rainwater are got rid of facility and high district rainwater is got rid of facility; Low district rainwater get rid of facility comprise municipal rainwater inspection well (1), be located at the road limit roads rain inlet (3), be located at the cross flow formula inlet for stom water (6) in up concave type greenery patches (8); High district rainwater is got rid of facility and is comprised overflow-type inlet for stom water (7), the collecting-tank (9) and emergent storm-water drainage pump group (11) that is located at up concave type greenery patches (8), overflow-type inlet for stom water (7) is connected with collecting-tank (9) by high district's rainwater pipe (14), collecting-tank (9) is connected with emergent storm-water drainage pump group (11), and the delivery outlet (10) of emergent storm-water drainage pump group (11) and city tidal channel or gully or depression communicate; Municipal administration rainwater inspection well (1) is communicated with cross flow formula inlet for stom water (6) by rainwater arm (5), and roads rain inlet (1) is connected with overflow communicating pipe (4), and overflow communicating pipe (4) outlet is communicated with up concave type greenery patches (8).
2. a kind of rainwater vertical division block drainage system as claimed in claim 1, it is characterized in that: overflow-type inlet for stom water (7) is according to P＞P
IfDesign; Cross flow formula inlet for stom water (6) is according to P≤P
IfDesign, wherein: P-actual demand recurrence interval amount of precipitation, select according to the importance of design section and to the standard of control waterlogging; P
If-design recurrence interval amount of precipitation is according to the design recurrence interval of national regulation requirement.
3. a rainwater vertical division block drainage system comprises conventional rainwater eliminating facility, it is characterized in that: also comprise high district's rainwater eliminating facility; High district rainwater is got rid of facility and is comprised overflow-type inlet for stom water (7), collecting-tank (9) and emergent storm-water drainage pump group (11); The water inlet of overflow-type inlet for stom water (7) is higher than the water inlet of roads rain inlet (1), overflow-type inlet for stom water (7) was connected with roads rain inlet (1) through overflow communicating pipe (4), overflow-type inlet for stom water (7) is connected with collecting-tank (9) by high district's rainwater pipe (14), collecting-tank (9) is connected with emergent storm-water drainage pump group (11), and the delivery outlet (10) of emergent storm-water drainage pump group (11) and city tidal channel or gully or depression communicate.
4. as claim 1,2 or 3 described a kind of rainwater vertical division block drainage systems, it is characterized in that: collecting-tank (9) is connected with rainwater comprehensive utilization pump group (12), and rainwater comprehensive utilization pump group (12) is provided with reserves rainwater interface (13).
5. a kind of rainwater vertical division block drainage system as claimed in claim 4 is characterized in that: emergent storm-water drainage pump group (11) is provided with water pump automatic starting device and remotely controlling display device.
6. a kind of rainwater vertical division block drainage system as claimed in claim 5 is characterized in that: collecting-tank (9) is located at underground with emergent storm-water drainage pump group (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201569326U CN203174745U (en) | 2013-04-01 | 2013-04-01 | Vertical rainwater zoned drainage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201569326U CN203174745U (en) | 2013-04-01 | 2013-04-01 | Vertical rainwater zoned drainage system |
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| CN203174745U true CN203174745U (en) | 2013-09-04 |
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ID=49071469
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| CN2013201569326U Withdrawn - After Issue CN203174745U (en) | 2013-04-01 | 2013-04-01 | Vertical rainwater zoned drainage system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184761A (en) * | 2013-04-01 | 2013-07-03 | 中国市政工程西北设计研究院有限公司 | Vertical rainwater zoning drainage system |
| CN103526798A (en) * | 2013-10-30 | 2014-01-22 | 无锡市安捷脚手架有限公司 | Rainwater collecting system |
| CN104863083A (en) * | 2015-06-11 | 2015-08-26 | 江西师范大学 | Method for cohesive water storage and drainage in garden |
| CN113047343A (en) * | 2021-03-25 | 2021-06-29 | 苏州市水城市政园林工程有限公司 | Multilayer modular inspection well and road synchronous construction method |
-
2013
- 2013-04-01 CN CN2013201569326U patent/CN203174745U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184761A (en) * | 2013-04-01 | 2013-07-03 | 中国市政工程西北设计研究院有限公司 | Vertical rainwater zoning drainage system |
| CN103526798A (en) * | 2013-10-30 | 2014-01-22 | 无锡市安捷脚手架有限公司 | Rainwater collecting system |
| CN104863083A (en) * | 2015-06-11 | 2015-08-26 | 江西师范大学 | Method for cohesive water storage and drainage in garden |
| CN113047343A (en) * | 2021-03-25 | 2021-06-29 | 苏州市水城市政园林工程有限公司 | Multilayer modular inspection well and road synchronous construction method |
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Granted publication date: 20130904 Effective date of abandoning: 20150408 |
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