CN105888037A - Rainwater drop discarding water collecting device - Google Patents
Rainwater drop discarding water collecting device Download PDFInfo
- Publication number
- CN105888037A CN105888037A CN201610209123.5A CN201610209123A CN105888037A CN 105888037 A CN105888037 A CN 105888037A CN 201610209123 A CN201610209123 A CN 201610209123A CN 105888037 A CN105888037 A CN 105888037A
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- Prior art keywords
- rainwater
- inlet pipe
- water inlet
- outlet pipe
- pipe
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- 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
-
- 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 invention discloses a rainwater drop discarding water collecting device. The rainwater drop discarding water collecting device comprises a well chamber, a rainwater inlet pipe, a discarding pipe, a water outlet pipe and a weir plate; the rainwater inlet pipe and the water outlet pipe are oppositely mounted on the inner wall of the well chamber; the rainwater inlet pipe is positioned at the upper part of the inner wall of the well chamber; the water outlet pipe is positioned at the lower part of the inner wall of the well chamber; the weir plate is vertically arranged on the bottom surface of the well chamber between the rainwater inlet pipe and the water outlet pipe; the height of the weir plate is lower than the elevation of the bottom of the rainwater inlet pipe and is higher than the elevation of the top of the water outlet pipe; a front-end in-built iron block baffle penetrates through a concave opening of the weir plate, and the two sides of the front-end in-built iron block baffle are clamped in bayonets; the side, close to the water outlet pipe, of the front-end in-built iron block baffle is connected with two floating balls; a magnet attraction device is mounted on a well wall below the rainwater inlet pipe. The rainwater drop discarding water collecting device has the following advantages: rainwater in an initial stage is completely separated from the rainwater in a medium stage and a late stage; two rounds of rains at a relatively short time interval are not discarded; continuous collection is realized; a water source can be stored, and an underground water level is retained, and rainwater can be fully utilized.
Description
Technical field
The present invention relates to a kind of rain water collecting system, be specifically related to a kind of rainwater drop abandoned stream captation.
Background technology
Preferably rainwater shunting well meets following condition:
1. entering the rainwater of shunting well within a period of time at rainfall initial stage, water quality is poor, directly flows out shunting well from outlet pipe, does not enter collection conduit, i.e. shunting well and should have the initial Split-flow function of rainwater；
2. in a rainfall, a certain amount of water quality preferably rainwater-collecting is got up, flow into tank, i.e. shunting well by collection conduit and should have the diverter function of rainwater；
3. after pond stores completely, water level reaches certain absolute altitude, and shunting well enters overflow situation, and overflow water is discharged from outlet pipe, i.e. shunting well should have the discharge function of overflow water；
4. outlet pipe should have receiving early-stage rainwater and overflowing rain water double effects, and the draining of early-stage rainwater should not have special technology requirement to the flowing line in region, and otherwise, the cost of layout of flowing line will be greatly improved；
5. the current caused because of shunting well should be avoided to change and need to set up new rainwater inspection well, and construction cost and difficulty are higher；
6. shunting well can conveniently realize conversion automatically in the working condition of rainfall；
7. in rainfall, it should have adequate measures to avoid downstream line mud to block；
8. middle and later periods rainwater catchment system rate still has much room for improvement.
Chinese patent literature CN 103422566 A discloses a kind of multi-functional shunting well on December 4th, 2013, the well body Y-shaped dividing plate of sealing is divided into inhalant region, gathering ground and exhalant region by it, each subregion correspondence is provided with water inlet pipe, collector pipe and outlet pipe, this second partition height is less than the first dividing plate, the 3rd dividing plate and the borehole wall, has sewage mouth with contact position, shaft bottom below the first dividing plate.This patent achieves the functions such as initial Split-flow, shunting, overflow water discharge, desilting, is not required to arrange rainwater inspection well, and the drainage pipeline setting to region does not has particular/special requirement.
This patent is disadvantageous in that: 1, early-stage rainwater is completely separated with intermediary and later stages rainwater, is unfavorable for the subsequent treatment of early-stage rainwater；2, two rainwater that interval time is shorter are still implemented abandoned stream, it is impossible to collect rainwater continuously；3, it is not considered as water conservation, keeps the mode of level of ground water to improve rainwater catchment system rate, and alleviate urban flooding accident.
Summary of the invention
For technical problem present in prior art, the technical problem to be solved is just to provide a kind of rainwater drop abandoned stream captation, and it is capable of early-stage rainwater and is kept completely separate with intermediary and later stages rainwater；Two the rainwater not abandoned streams shorter to interval time, it is achieved collect continuously, and energy water conservation, holding level of ground water, it is possible to make full use of rainwater, the pressure that drains off floodwaters of Urban Rainwater Pipe Networks when alleviating heavy rain, reduces the generation of waterlogging.
The technical problem to be solved is realized by such technical scheme, it includes well room, rainwater water inlet pipe, abandoned stream pipe, outlet pipe and weir plate, rainwater water inlet pipe and outlet pipe are relatively arranged in well chamber interior walls, rainwater water inlet pipe is positioned at well chamber interior walls top, outlet pipe is positioned at well chamber interior walls bottom, vertically setting up weir plate on bottom surface, well room between rainwater water inlet pipe and outlet pipe, weir plate height is less than rainwater water inlet pipe elevation of bottom, higher than outlet pipe elevation of top；
It is provided with abandoned stream pipe in well chamber interior walls orthogonal with rainwater water inlet pipe bottom the well room of the rainwater water inlet pipe side separated by weir plate；In the middle part of weir plate, top has the recess of level, recess both sides to have bayonet socket, and front end built-in iron block baffle plate is stuck in bayonet socket through the recess of weir plate, dual-side, the going up connection by outlet pipe and have two ball floats of front end built-in iron block baffle plate；Equipped with attraction device on the borehole wall that iron block baffle plate built-in with front end is relative below rainwater water inlet pipe；
Bottom surface, well room is sequentially provided with permeable surface layer, permeable structure floor, sand bedding course, graded sand and stone blinding layer from top to bottom and penetrates into soil layer.
The operation principle of the present invention is: the rainfall initial stage, and the parabola shaped jet that rainwater water inlet pipe flows out is intercepted by weir plate, flows out from abandoned stream pipe, increase along with rainfall run-off, parabola jet crosses weir plate, and water level slowly rises, and rainwater is collected utilization after outlet pipe flows out.Ball float rises, and front end built-in iron block baffle plate is risen on the oblique upper of water inlet pipe by ball float buoyancy and the pressure of the buckle of weir plate, promotes top and the attraction device adhesive of front end built-in iron block baffle plate, and the water inlet of abandoned stream pipe is closed.
Along with the minimizing of rainfall, in well room residual amount under the force of ball float and the suction of attraction device, abandoned stream water inlet tube mouth is still closed, and later stage rainwater drains in outlet pipe by the concave surface of front end built-in iron block baffle plate, and later stage rainwater is collected utilization.Stopping along with rainfall, the water level of well room slowly declines, surplus water penetrates into permeable structure floor, sand bedding course, graded sand and stone blinding layer by permeable surface layer bottom well room, finally penetrate into soil layer, the suction of attraction device is not enough to overcome the gravity of front end built-in iron block baffle plate, front end built-in iron block baffle plate to drop in situ.
So, present invention have the advantage that: achieve early-stage rainwater and be kept completely separate with intermediary and later stages rainwater, two the rain not abandoned streams shorter to interval time, it is achieved collect continuously, and energy water conservation, holding level of ground water, it is possible to make full use of rainwater.
Accompanying drawing explanation
The accompanying drawing of the present invention is described as follows:
Fig. 1 is the top view of the present invention；
Fig. 2 is the sectional view of 1-1 in Fig. 1；
Fig. 3 is the right side cross-sectional view of 2-2 in Fig. 1；
Fig. 4 is the cut away left side view of 2-2 in Fig. 1；
Fig. 5 is the mark figure of jet parabola parameter；
Fig. 6 is the force analysis figure of front end built-in iron block baffle plate；
Fig. 7 is the force analysis figure of the critical condition of front end built-in iron block baffle plate.
In figure: 1. rainwater water inlet pipe；2. abandoned stream pipe；3. outlet pipe；4. attraction device；5. weir plate；6. the borehole wall；7. the built-in iron block in front end baffle plate；8. ball float；9. permeable surface layer bottom；10. permeable structure layer；11. sand bedding courses；12. graded sand and stone blinding layers；13. soil layers；14. cat ladders；15. well rooms；16. chutes；17. grids.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention includes well room 15, rainwater water inlet pipe 1, abandoned stream pipe 2, outlet pipe 3 and weir plate 5, rainwater water inlet pipe 1 and outlet pipe 3 are relatively arranged on the inwall of well room 15, rainwater water inlet pipe 1 is positioned at well chamber interior walls top, outlet pipe 3 is positioned at well chamber interior walls bottom, vertically setting up weir plate 5 on bottom surface, well room 15 between rainwater water inlet pipe 1 and outlet pipe 3, weir plate 5 height is less than rainwater water inlet pipe 1 elevation of bottom, higher than outlet pipe 3 elevation of top；
It is provided with abandoned stream pipe 2 in well chamber interior walls orthogonal with rainwater water inlet pipe 1 bottom the well room of rainwater water inlet pipe 1 side separated by weir plate 5；In the middle part of weir plate 5, top has the recess of level, recess both sides to have bayonet socket, and front end built-in iron block baffle plate 7 is stuck in bayonet socket through the recess of weir plate 5, dual-side, the going up connection by outlet pipe 3 and have two ball floats 8 of front end built-in iron block baffle plate 7；Equipped with attraction device 4 on the borehole wall 6 that iron block baffle plate 7 built-in with front end is relative below rainwater water inlet pipe 1；
Bottom surface, well room is sequentially provided with permeable surface layer 9, permeable structure floor 10, sand bedding course 11, graded sand and stone blinding layer 12 from top to bottom and penetrates into soil layer 13.
Leave a fixed gap between above-mentioned front end built-in iron block baffle plate 7 and the bayonet socket of weir plate 5, reduce the friction in sliding process；Front end built-in iron block baffle plate 7 central part is arc groove, and groove is identical with 1/3 arc length of rainwater water inlet pipe 1, it is ensured that current in a groove between flow.Equipped with the rubber ring of buffering on attraction device 4.
As shown in Figure 3 and Figure 4, the delivery port of rainwater water inlet pipe 1 and the water inlet of outlet pipe 3 are provided with grid 17, to intercept bulk pollutant, and periodically enter well room 15 from cat ladder 14 and clear up, it is simple to collect clean rainwater.As shown in figures 1 and 3, arranging chute 16 bottom well room 15, chute 16 both sides have certain gradient, and it is contraction mouth that chute flows to one end of outlet pipe 3, prevents dead water region.In well room 15, the level interval at the center of two cat ladders 14 is 350mm, and vertical spacing is 300mm.
The elevation of bottom of outlet pipe 3 is more than the absolute altitude of permeable surface layer 9, and when rising to attraction device 4 equal to built-in iron block baffle plate 7 top, front end, the absolute altitude residing for ball float 8 bottom.
Depending on weir plate 5 and the horizontal range of rainwater water inlet pipe 1 and the height of weir plate are according to the caliber of rainwater water inlet pipe and the gradient；When rainwater water inlet pipe caliber determines, according to the different gradients and season (for different rainfall patterns), can suitably adjust the height of weir plate 5, it is ensured that early stage rain water drainage amount.But weir plate 5 is adjustable, and minimum aspect ratio outlet pipe 3 pipe is risen.The connecting rod that ball float 8 iron block built-in with front end baffle plate 7 connects is retractable, coordinates the regulation height of weir plate 5.
The horizontal range of weir plate 5 and rainwater water inlet pipe 1 and the high computational of weir plate 5, as shown in Figure 5:
Jet parabola external curve equation: X=0.36v2/3+0.6y4/7
Jet parabola inner curve equation: X=0.18v4/7+0.7y3/4
Flow velocity (m/s) in v rainwater water inlet pipe in formula；
The abscissa (m) of any point on X jet parabola；
The ordinate (m) of any point on y jet parabola；
Mathematical expressions recognition: rainwater water inlet pipe diameter D≤3m, rainwater water inlet pipe gradient i < 0.025, flow velocity v=0.3～3m/s, rainwater water inlet pipe is less than 0.35m by flow depth during maximum early-stage rainwater stream abandoning amount, inner curve ordinate is 0.15m, and the ordinate of external curve is less than 1.5m.
Embodiment
As a example by shaba District, Chongqing, its Rain Intensity Formula Based
In formula, q represents design storm intensity (L/s ha), and t represents rainfall duration (min), and P represents Designed recurrence period (year).Empirically, the rain pipe that common buildings density is big, landform is relatively steep, inlet for stom water is arranged in being distributed closeer area and block, preferably use less ground inlet time t1Value, desirable t1=5～8min, the design takes t1=8min, rainwater fashionable colors in pipeIn formula, L represents that rainwater pipe range, v represent rainwater flow velocity.Rule of thumb t2Take 5min, then t=t1+t2=13min, the frequency met when 2 years calculates storm intensity q=287.58 (L/s ha), and during non-avaible, the rainfall runoff thickness of roofing top initial Split-flow uses 2～3mm, and ground abandoned stream uses 2～5mm.According to the situation of Shapingba District, Chongqing City, rule of thumb take ψ=0.8；If catchment area F=1ha, then the design flow of storm drain of rainwater water inlet pipe is that (in formula, ψ represents that runoff coefficient, q represent design storm intensity (L/s ha) to Q=ψ qF=230.06L/s, and F represents catchment area (hm2), rainwater water inlet pipe uses HDPE, and the coefficient of roughness is 0.009, calculates according to rainwater water inlet pipe flowing full:
Rainwater water inlet pipe caliber DN1=400mm, the rainwater design current velocity v=1.83m/s of rainwater water inlet pipe, rainwater water inlet pipe design grade i=5.849 ‰.
Abandoned stream rainwater takes initial stage 10min, abandoned stream amount Q '=230.06 × 10/13=176.97L/s.Abandoned stream pipe 2 uses HDPE, and the coefficient of roughness is 0.009, calculates according to abandoned stream rain pipe flowing full: abandoned stream pipe caliber DN2=350mm, abandoned stream pipe rainwater design current velocity v=1.84m/s, abandoned stream pipe design grade i=7.055 ‰.
Due to early-stage rainwater amount the not up to peak value of abandoned stream pipe abandoned stream, so for the sake of security, the caliber of outlet pipe 3=rainwater water inlet pipe 1 caliber=400mm.The relative size calculating water pipe is as follows:
Water inlet pipe pipe top mark height H0=± 0.000m, absolute altitude H at the bottom of water inlet pipe pipe1=-0.400m.Take distance L of water inlet pipe outlet and outer tube wall5=100mm, water inlet pipe outlet and horizontal range L of weir plate6=400mm, according to jet formula X=0.18v4/7+0.7y3/ ,Calculate the ordinate y=123mm of jet curve, then weir plate elevation of top H in water inlet pipe2=-0.523m, it is ensured that middle and later periods rainwater presses flowing full and safety, outlet pipe elevation of top H3=-0.723m, then outlet pipe elevation of bottom H4=-1.123m.
It is 20 ° of inclination angles that the front end built-in iron block baffle plate 7 of ball-cock assembly is placed with level, security consideration, and a length of (400+50+50)/cos20 °=532.08mm takes 540mm, and thickness takes 30mm.Ball float lifting height is 400 × sin20 °=136.80mm, approximates 137mm.Then the permeable surface layer absolute altitude bottom well room 15 is H5=-1.260m, absolute altitude H at the bottom of the pipe of abandoned stream pipe6Control between-1.26m～-1.123m.By y=0.000-(-1.260)=1.260m band incident flow formula X=0.36v2/3+0.6y4/7Obtain X=1.223m.Take safe distance 300mm, so length L of well room4=100+1223+300=1623mm takes 1700mm.Then weir plate is to distance L of the outlet pipe borehole wall3=1700-50-350-50-50=1200mm, well room width E3=50+150+400+150+50=800mm.Well room upper dimension water inlet pipe is to horizontal range L1=700mm of well head, horizontal range L2=400mm of outlet pipe to well head.The material that front end built-in iron block baffle plate 7 baffle plate uses is HDPE plastic, obtains ρ=0.941～0.965g/cm according to data3, take 0.950g/cm3.Approximate calculation obtains built-in iron block baffle plate 7 plastic quality m1=0.950 × 54 × 3, front end × 45=6925.5g, and iron block quality takes m2=7.8 × 45 × 2 × 2=1404g, and ball float uses PP polypropylene material, and weight is ignored.Front end built-in iron block baffle plate 7 and ball float gross weight are m=8329.5g, take m=8500g.
Dyanainic friction coefficient μ=0.08 of polypropylene material～0.12, takes 0.10.
As shown in Figure 6, the force analysis of front end built-in iron block baffle plate 7, rainfall starts to become the big moment and meets following condition,
To x-axis: F sin α=G sin α+f
To y-axis: F cos α=N+G cos α
F=μ N
In formula, F represents the buoyancy suffered by two ball floats, and G represents front end built-in iron block baffle plate and the gravity of ball float, and f represents the weir plate kinetic force of friction to baffle plate, and N represents the weir plate elastic force to baffle plate, and α represents the inclination angle of baffle plate and horizontal direction, and μ represents the coefficient of kinetic friction.
Calculate the buoyancy F=83.65N of two ball floats, take 85N.Only need to ensure two ball float submergences when being 140mm suffered maximum buoyancy slightly larger than equal to 85N.
When will stop as it is shown in fig. 7, later stage rainfall is diminished, the force analysis of the critical condition of front end built-in iron block baffle plate 7:
To x-axis: Fc+f=G sin α
To y-axis: N=G cos α
F=μ N
In formula, Fc represents the magnet arrangement gravitation to baffle plate, and G represents front end built-in iron block baffle plate and the gravity of ball float, and f represents the weir plate kinetic force of friction to baffle plate, and N represents the weir plate elastic force to baffle plate, and α represents the inclination angle of baffle plate and horizontal direction, and μ represents the coefficient of kinetic friction.
Calculate the magnet arrangement gravitation Fc=20.66N to baffle plate, take 20N.The gravitation of selected magnet is equal to 20N.
The permeable surface thickness of well room 15 takes 100mm, and permeable structure layer takes 150mm, sand bedding course 100mm, and graded sand and stone blinding layer takes 200mm.It is 1.200 × 0.75 × 0.137=0.123m that pit shaft fixes water-holding quantity3(Conservative estimation).The design infiltration time is 12 hours, then ensure that infiltration coefficient is slightly over equal to 3.17 × 10-4cm/s.
Present invention have the advantage that: 1, be applicable to Mountainous City or the bigger area of the gradient, it, while playing early-stage rainwater and the effect of intermediary and later stages rainwater shunting, also acts the effect of energy dissipating；2, improve clean rainwater-collecting rate, overcome prior art and can not collect the drawback of later stage rainwater；3, the machine automatization achieving rainwater shunting controls, and is not required to additional source of energy.4, when rainfall is excessive, still there is overflow capability, carry out overflow from the top of weir plate, the shortcoming that when changing conventional catch-basin overflow, water quality is poor, but the rainwater that the infiltration middle and later periods is clean, environmentally friendly protection, effective recharge groundwater position.5. utilize the reduction oozing rear WIH position under middle and later periods rainwater to the front end built-in iron block baffle plate controlling on abandoned stream pipe,, there is not the situation of initial stage dirtier rainwater in two rain that interval time is shorter, the present invention remains closed mode, not abandoned stream can be reached, the purpose collected continuously.Meet the design concept in sponge city.
Claims (4)
1. a rainwater drop abandoned stream captation, include well room (15), rainwater water inlet pipe (1), abandoned stream pipe (2), outlet pipe (3) and weir plate (5), it is characterized in that: rainwater water inlet pipe (1) and outlet pipe (3) are relatively arranged on well room (15) inwall, rainwater water inlet pipe (1) is positioned at well chamber interior walls top, outlet pipe (3) is positioned at well chamber interior walls bottom, weir plate (5) is vertically set up on well room (15) bottom surface between rainwater water inlet pipe (1) and outlet pipe (3), weir plate (5) height is less than rainwater water inlet pipe (1) elevation of bottom, higher than outlet pipe (3) elevation of top；
It is provided with abandoned stream pipe (2) in well chamber interior walls orthogonal with rainwater water inlet pipe (1) bottom the well room of rainwater water inlet pipe (1) side separated by weir plate (5)；There is the recess of level on top, weir plate (5) middle part, there is bayonet socket on recess both sides, front end built-in iron block baffle plate (7) is stuck in bayonet socket through the recess of weir plate (5), dual-side, and there are two ball floats (8) front end built-in iron block baffle plate (7) by connection on outlet pipe (3)；Equipped with attraction device (4) on the borehole wall (6) that rainwater water inlet pipe (1) lower section iron block baffle plate built-in with front end is relative；
Well room (15) bottom surface is sequentially provided with permeable surface layer (9), permeable structure floor (10), sand bedding course (11), graded sand and stone blinding layer (12) from top to bottom and penetrates into soil layer (13).
Rainwater the most according to claim 1 drop abandoned stream captation, is characterized in that: leave space between the bayonet socket of front end built-in iron block baffle plate (7) and weir plate (5), front end built-in iron block baffle plate (7) central part is arc groove.
Rainwater the most according to claim 2 drop abandoned stream captation, is characterized in that: the delivery port of rainwater water inlet pipe (1) and the water inlet of outlet pipe (3) are provided with grid (17).
Rainwater the most according to claim 3 drop abandoned stream captation, is characterized in that: well room (15) bottom arranges chute (16), and chute (16) both sides have the gradient, and it is contraction mouth that chute flows to one end of outlet pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209123.5A CN105888037A (en) | 2016-04-06 | 2016-04-06 | Rainwater drop discarding water collecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209123.5A CN105888037A (en) | 2016-04-06 | 2016-04-06 | Rainwater drop discarding water collecting device |
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| CN105888037A true CN105888037A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610209123.5A Pending CN105888037A (en) | 2016-04-06 | 2016-04-06 | Rainwater drop discarding water collecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152052A (en) * | 2017-06-13 | 2017-09-12 | 山东女子学院 | Gardens rain collector |
| CN107642017A (en) * | 2017-09-17 | 2018-01-30 | 刘庆芳 | A kind of rain return-seepage device for water collecting access way |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH692156A5 (en) * | 1997-08-13 | 2002-02-28 | Werner Nill | Immersion wall arrangement for rain captation basins and high water discharge installations comprises cross-beam installable on overflow edge of overflow wall |
| CA2124327C (en) * | 1992-09-25 | 2005-02-15 | Louis Gresa | Sewage water installation with an incorporated screening unit |
| CN103590484A (en) * | 2013-11-20 | 2014-02-19 | 重庆大学 | Automatic hydraulic control leaping weir initial rainwater catch basin and flow closure method |
| CN104264772A (en) * | 2014-10-23 | 2015-01-07 | 郭家龙 | Initial rainwater discarding device of rainwater gathering system |
| CN204570904U (en) * | 2015-05-04 | 2015-08-19 | 刘建华 | Turnover plate type sewage intercepting chamber |
-
2016
- 2016-04-06 CN CN201610209123.5A patent/CN105888037A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2124327C (en) * | 1992-09-25 | 2005-02-15 | Louis Gresa | Sewage water installation with an incorporated screening unit |
| CH692156A5 (en) * | 1997-08-13 | 2002-02-28 | Werner Nill | Immersion wall arrangement for rain captation basins and high water discharge installations comprises cross-beam installable on overflow edge of overflow wall |
| CN103590484A (en) * | 2013-11-20 | 2014-02-19 | 重庆大学 | Automatic hydraulic control leaping weir initial rainwater catch basin and flow closure method |
| CN104264772A (en) * | 2014-10-23 | 2015-01-07 | 郭家龙 | Initial rainwater discarding device of rainwater gathering system |
| CN204570904U (en) * | 2015-05-04 | 2015-08-19 | 刘建华 | Turnover plate type sewage intercepting chamber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152052A (en) * | 2017-06-13 | 2017-09-12 | 山东女子学院 | Gardens rain collector |
| CN107642017A (en) * | 2017-09-17 | 2018-01-30 | 刘庆芳 | A kind of rain return-seepage device for water collecting access way |
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Application publication date: 20160824 |