CN203412082U - Initial rainwater abandoning device - Google Patents
Initial rainwater abandoning device Download PDFInfo
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- CN203412082U CN203412082U CN201320545497.6U CN201320545497U CN203412082U CN 203412082 U CN203412082 U CN 203412082U CN 201320545497 U CN201320545497 U CN 201320545497U CN 203412082 U CN203412082 U CN 203412082U
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Abstract
The utility model discloses an initial rainwater abandoning device, which belongs to the field of drainage engineering, particularly relates to a drainage structure for initial rainwater separation, and is suitable for initial rainwater separation of urban rainwater pipelines. The initial rainwater abandoning device has the beneficial effects that a pipeline is smooth, the hydraulic conditions are good, the head loss is small, the impact of water flow on pipe fittings is small, the initial rainwater abandoning device is suitable for various pipe diameters, the initial rainwater separation is adjustable, the working condition switch is reliable and no power is required for driving. The initial rainwater abandoning device is arranged along an urban rainwater pipeline, initial rainwater in a catchment area of the device is separated and discharged into a sewage pipeline and is fed into a sewage treatment plant for treatment, and later rainwater is then discharged into a water body through the rainwater pipeline, so that the non-point source pollution is effectively controlled, and the water quality of the water body is protected.
Description
Technical field
The utility model relates to a kind of early-stage rainwater stream abandoning device, belongs to drainage works field, particularly the drainage structures of early-stage rainwater separation.
Background technology
City rainwater drainage is all generally functional in organized water drainage, and the rainwater on ground drains into storm sewer by runoff gathering, then enters natural water by For Stormwater Drainage System.Due to the rainfall initial stage, rainwater has dissolved the pollution gas such as airborne a large amount of sour gas, vehicle exhaust, plant gas, behind landing ground, again owing to washing away asphalt felt roofing, asphalt concrete road, building site etc., make to contain in early-stage rainwater the pollutants such as a large amount of organic matters, pathogen, heavy metal, grease, suspended solid, therefore, the degree of contamination of early-stage rainwater is higher, has conventionally surpassed the degree of contamination of common municipal sewage.For protection of the environment effectively, must carry out separation to early-stage rainwater, the rainwater at rainfall initial stage is separated and drained into sewage conduct, deliver to Wastewater Treatment Plant and process.Through certain rainfall, the pollutant on ground is through rain drop erosion, and rainfall Final pollution degree significantly reduces, then enters natural water by storm sewer, effectively the water quality of conservation of nature water body.Early-stage rainwater separating treatment is not all carried out in most domestic city at present, but early-stage rainwater and later stage rainwater are together directly entered to natural water, will pollute water body.
Rainwater is a kind of precious resources, and rainwater catchment system is subject to people's attention more and more.Rainwater catchment system be mainly by rainwater storage in reservoir, after suitable processing for landscape water, spray road surface, green area irrigation etc.In rainwater catchment system field, the early-stage rainwater that rainfall is started is given it up, and the way that the rainwater-collecting in later stage is got up is referred to as early-stage rainwater stream abandoning.Prior art arranges early-stage rainwater stream abandoning device before rainwater enters reservoir, early-stage rainwater is separated and is emitted, and later stage rainwater-collecting is stored in reservoir.The separation of existing national standard drawing < < rainwater comprehensive utilization > > 10SS705 early-stage rainwater, by shunting well, Split-flow Control device, complete, according to factors such as rain time, rainfall, adopt motor operated valve to control later stage rainwater and enter reservoir.
The purposes of above-mentioned two kinds of early-stage rainwater separation is different, but relates to equally early-stage rainwater stream abandoning device.The former is that with serious pollution early-stage rainwater is separated and sent into Wastewater Treatment Plant and process; cleaner later stage rainwater enters natural water; it is the angle from environmental protection; the object that reaches Control the Plan Pollution Sources, protection water quality, early-stage rainwater stream abandoning device is to be distributed on storm sewer at a certain distance.The latter is by with serious pollution early-stage rainwater stream abandoning, by later stage rainwater-collecting, to reservoir, is the angle from rainwater utilization, reaches the object that reduces rainwater utilization water treatment operation and processing cost, is arranged in before rainwater utilization reservoir.
Early-stage rainwater stream abandoning device for rainwater catchment system, adopts a complete set of equipment mostly, and caliber is less, and flow is little.As the rainfall regime early-stage rainwater stream abandoning device in national standard drawing < < rainwater comprehensive utilization > > 10SS705; product specification is DN100, DN150, DN200, DN250; can only be for rainwater catchment system, and it is separated not to be suitable for the early-stage rainwater of Control the Plan Pollution Sources, protection water quality.At present, the scheme of early-stage rainwater separation is a lot, and major part is for rainwater catchment system, feasible in the early-stage rainwater stream abandoning device principle that some data is introduced, but pipeline and separation structure are complicated, hydraulics is poor, and head loss is large, in the storm sewer of large flow, adopts, not only affect drainage performance, and easily under the impact of powerful current, damage, some scheme also needs to adopt driven by power, lacks use value being applied to control in the storm sewer engineering that early-stage rainwater pollutes.
Summary of the invention
The object of the invention is: a kind of early-stage rainwater stream abandoning device is provided, and the early-stage rainwater that is applicable to Control the Plan Pollution Sources, protection water quality is separated.Its beneficial effect is that pipeline is smoothly smooth and easy, and hydraulics is good, and head loss is little, and current are little to the impact of pipe fitting, are applicable to various calibers.Early-stage rainwater fractional dose is adjustable, and operating mode is switched reliable, without driven by power.
The utility model is realized by following technology: described early-stage rainwater stream abandoning device mainly comprises water inlet pipe 1, outlet pipe 2, valve 3, wastewater disposal basin 4, abandoned stream pipe 5, bypass pipe 6, float chamber 7.Valve 3 is between water inlet pipe 1 and outlet pipe 2, and the bottom of valve 3 is wastewater disposal basin 4.While not raining, initial operating mode valve 3 is opened, and rainfall starts early-stage rainwater and enters wastewater disposal basin 4 by valve 3, and wastewater disposal basin 4 communicates with abandoned stream pipe 5, and early-stage rainwater enters sewage conduct by abandoned stream pipe 5.One side of water inlet pipe 1 is provided with bypass pipe 6, bypass pipe 6 communicates with float chamber 7, between bypass pipe 6 and float chamber 7, be provided with and control lock 11, controlling lock 11 is comprised of flashboard 15, lock groove 16, locating hole 17, stop pin 18, flashboard 15 can move up and down in lock groove 16, fixing by locating hole 17 and stop pin 18, flashboard 15 is in order to regulate bypass pipe 6 to flow into the flow of float chamber 7.When early-stage rainwater enters wastewater disposal basin 4, a part of water enters float chamber 7 by bypass pipe 6.In float chamber 7, be provided with float 8, float 8 is connected with rotating shaft 10 by connecting rod 9, rotating shaft 10 is connected with valve 3, and rainfall initial stage float chamber 7 is interior anhydrous, along with the increase of rainfall duration, water level in float chamber 7 constantly rises, float 8 drives rotating shaft 10 to rotate by connecting rod 9, thereby drives valve 3 to close, and rainwater flows directly to outlet pipe 2 from water inlet pipe 1, no longer flow in wastewater disposal basin 4, completed the change working of early-stage rainwater to later stage rainwater.Rotating shaft 10 is provided with adjustable plate 19, has deep-slotted chip breaker 20 on adjustable plate 19, and connecting rod 9 can be adjusted at the position on deep-slotted chip breaker 20 by fixing button 21, for the water level that regulates float 8 to close completely at valve 3.Bottom between wastewater disposal basin 4 and float chamber 7 is provided with spilled water hole 22 UNICOMs, and after rainfall stops, the water of float chamber 7 flows to wastewater disposal basin 4 by spilled water hole 22 at leisure, and float 8 falls thereupon, and valve 3 is opened, and again repeats said process during rainfall.A side spilled water hole 22 at float chamber 7 is outside equipped with screen pack 23, prevents that spilled water hole 22 from stopping up, and at the port of export of a side spilled water hole 22 of wastewater disposal basin 4, is provided with ball valve 26, can control the emptying time of float chamber 7.
It is along the line that the utility model is arranged on storm sewer; arrange at a certain distance one; early-stage rainwater separation in its catchment area is entered to sewage conduct; sending into Wastewater Treatment Plant processes; later stage rainwater enters water body by storm sewer again; Control the Plan Pollution Sources effectively, the water quality of protection water body.
Accompanying drawing explanation
Fig. 1 is the utility model plan view;
Fig. 2 is the utility model early-stage rainwater operating mode longitudinal plan;
Fig. 3 is the utility model early-stage rainwater operating mode drawing in side sectional elevation;
Fig. 4 is the utility model later stage rainwater operating mode longitudinal plan;
Fig. 5 is the utility model later stage rainwater operating mode drawing in side sectional elevation;
Fig. 6 is for controlling lock schematic diagram;
Fig. 7 is that ball float regulates schematic diagram;
Fig. 8 is spilled water hole schematic diagram.
In figure: 1-water inlet pipe, 2-outlet pipe, 3-valve, 4-wastewater disposal basin, 5-abandoned stream pipe, 6-bypass pipe, 7-float chamber, 8-float, 9-connecting rod, 10-rotating shaft, 11-controls lock, 12-well body, 13-inspection hole, 14-workbench, 15-flashboard, 16-lock groove, 17-locating hole, 18-stop pin, 19-adjustable plate, 20-deep-slotted chip breaker, 21-fixing button, 22-spilled water hole, 23-screen pack, 24-screen pack base, 25-screen pack fixed mount, 26-ball valve.
The specific embodiment
The utility model adopts HDPE high-density polyethylene material to make, and outer wall arranges ribs increases integral rigidity, can be made into the pipe fitting of various conventional calibers.Water inlet pipe 1 is consistent with the caliber of outlet pipe 2, at the bottom of the pipe of water inlet pipe 1 and outlet pipe 2, valve 3 is set, the bottom of valve 3 is and wastewater disposal basin 4, wastewater disposal basin 4 connects abandoned stream pipe 5, early-stage rainwater enters sewage conduct by abandoned stream pipe 5, two kinds of specifications of abandoned stream pipe left and right water outlet in 5 minutes, to adapt to the needs of different water outlet directions.One side of water inlet pipe 1 is provided with bypass pipe 6, and bypass pipe 6 communicates with float chamber 7, is provided with and controls lock 11 between bypass pipe 6 and float chamber 7.In float chamber 7, be provided with float 8, float 8 is connected with rotating shaft 10 by connecting rod 9, and rotating shaft 10 is connected with valve 3, and the lifting of float 8 can drive valve 3 to open and close.Float 8 adopts HDPE high-density polyethylene material to make shell, inner filling-foam plastics, and connecting rod 9 and rotating shaft 10 adopt stainless steel material to make.
Pipe fitting is built by laying bricks or stones in well body 12, and well body 12 tops arrange inspection hole 13, workbench 14 are set so that maintenance in well.The utility model mounting plane figure is shown in Fig. 1.
When early-stage rainwater enters wastewater disposal basin 4, part water enters float chamber 7 by bypass pipe 6, increase along with rainfall duration, water level in float chamber 7 constantly rises, float 8 rises thereupon, float 8 drives valve 3 to cut out gradually by connecting rod 9, rotating shaft 10, and rainwater flows directly to outlet pipe 2 from water inlet pipe 1, no longer flows in wastewater disposal basin 4.Water level in float chamber 7 continues to rise, and float 8 is subject to very large power closes valve 3.Be now later stage rainwater operating mode, see Fig. 4, Fig. 5.
The control of early-stage rainwater amount, calculates according to the surface runoff amount of this grade of flow abandoning apparatus catchment area 3～5mm thickness.The control lock 11 being arranged between bypass pipe 6 and float chamber 7 can regulate bypass pipe 6 to flow into the flow of float chamber 7.Control lock 11 and be comprised of flashboard 15, lock groove 16, locating hole 17, stop pin 18, flashboard 15 can move up and down in lock groove 16, fixing by locating hole 17 and stop pin 18.Rotating shaft 10 is provided with adjustable plate 19, has deep-slotted chip breaker 20 on adjustable plate 19, and connecting rod 9 can be adjusted at the position on deep-slotted chip breaker 20 by fixing button 21, for regulating the water level of float 8 when valve 3 is closed completely.Zhe Liangge mechanism can reach the object that regulates early-stage rainwater stream abandoning amount.Control lock schematic diagram and see Fig. 6, ball float regulates schematic diagram to see Fig. 7.
Bottom between wastewater disposal basin 4 and float chamber 7 is provided with spilled water hole 22 UNICOMs, after rainfall stops, the water of float chamber 7 flows to wastewater disposal basin 4 by spilled water hole 22 at leisure, float 8 falls thereupon, valve 3 is opened, side spilled water hole 22 ports of export at wastewater disposal basin 4, are provided with ball valve 26, can control the emptying time of float chamber 7.Regulate ball valve 26 to make approximately 12 hours 3 opening times of valve, be less than twice rainfall interval of open-interval and seldom produce ground pollution, do not carry out early-stage rainwater stream abandoning operating mode.As valve 3, just open soon and also do not open completely, have a small amount of pollution that the time about half a day produces, a small amount of early-stage rainwater is by abandoned stream, and because the water level of float chamber is now also higher, valve 3 will soon be closed.After rainfall stops completely, the water emptying in float chamber 7, restPoses, and again repeats said process during rainfall.A side spilled water hole 22 at float chamber 7 is outside equipped with screen pack 23, prevents that spilled water hole 22 from stopping up, and screen pack 23 is arranged on screen pack base 24, adopts screen pack fixed mount 25 fixing.
In practice, catch-basin and grid are set in the early stage, the silt particle that deposit seed is larger and the larger floating thing of filtration, the maintenance workload of minimizing early-stage rainwater stream abandoning device before rainwater flow-discarding device.
Claims (6)
1. an early-stage rainwater stream abandoning device, mainly comprise water inlet pipe (1), outlet pipe (2), valve (3), wastewater disposal basin (4), abandoned stream pipe (5), bypass pipe (6), float chamber (7), it is characterized in that: described valve (3) is positioned between water inlet pipe (1) and outlet pipe (2), the bottom of valve (3) is wastewater disposal basin (4), and wastewater disposal basin (4) communicates with abandoned stream pipe (5).
2. early-stage rainwater stream abandoning device according to claim 1, it is characterized in that: a side of described water inlet pipe (1) is provided with bypass pipe (6), bypass pipe (6) communicates with float chamber (7), is provided with and controls lock (11) between bypass pipe (6) and float chamber (7).
3. early-stage rainwater stream abandoning device according to claim 1, is characterized in that: in described float chamber (7), be provided with float (8), float (8) is connected with rotating shaft (10) by connecting rod (9), and rotating shaft (10) is connected with valve (3).
4. early-stage rainwater stream abandoning device according to claim 1, it is characterized in that: the bottom between described wastewater disposal basin (4) and float chamber (7) is provided with spilled water hole (22) UNICOM, a side spilled water hole (22) at float chamber (7) is outside equipped with screen pack (23), at the port of export of a side spilled water hole (22) of wastewater disposal basin (4), is provided with ball valve (26).
5. early-stage rainwater stream abandoning device according to claim 2, it is characterized in that: described control lock (11) is comprised of flashboard (15), lock groove (16), locating hole (17), stop pin (18), flashboard (15) can move up and down in lock groove (16), fixing by locating hole (17) and stop pin (18).
6. early-stage rainwater stream abandoning device according to claim 3, it is characterized in that: described rotating shaft (10) is provided with adjustable plate (19), on adjustable plate (19), have deep-slotted chip breaker (20), connecting rod (9) can be adjusted at the position on deep-slotted chip breaker (20) by fixing button (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545497.6U CN203412082U (en) | 2013-09-04 | 2013-09-04 | Initial rainwater abandoning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545497.6U CN203412082U (en) | 2013-09-04 | 2013-09-04 | Initial rainwater abandoning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412082U true CN203412082U (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320545497.6U Expired - Fee Related CN203412082U (en) | 2013-09-04 | 2013-09-04 | Initial rainwater abandoning device |
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| CN (1) | CN203412082U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763037A (en) * | 2015-04-27 | 2015-07-08 | *** | Initial rainwater flow abandoning gutter inlet |
| CN106284589A (en) * | 2016-09-19 | 2017-01-04 | 天津大学 | A kind of early-stage rainwater stream abandoning device automatically controlled |
| CN106400928A (en) * | 2016-11-17 | 2017-02-15 | 泰州晟禾水处理设备制造有限公司 | Initial rainwater abandoning system of rainwater and sewage confluence pipe and use method thereof |
| CN108396850A (en) * | 2018-03-13 | 2018-08-14 | 广东中科华冉智网科技有限公司 | The intelligence that interception ratio is adjustable to prevent excessive rainwater from entering sewage pipe cuts dirty well |
| CN114876034A (en) * | 2022-03-24 | 2022-08-09 | 上海中韩杜科泵业制造有限公司 | Rainwater and sewage diversion intercepting well |
-
2013
- 2013-09-04 CN CN201320545497.6U patent/CN203412082U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763037A (en) * | 2015-04-27 | 2015-07-08 | *** | Initial rainwater flow abandoning gutter inlet |
| CN106284589A (en) * | 2016-09-19 | 2017-01-04 | 天津大学 | A kind of early-stage rainwater stream abandoning device automatically controlled |
| CN106284589B (en) * | 2016-09-19 | 2018-09-11 | 天津大学 | A kind of early-stage rainwater stream abandoning device automatically controlled |
| CN106400928A (en) * | 2016-11-17 | 2017-02-15 | 泰州晟禾水处理设备制造有限公司 | Initial rainwater abandoning system of rainwater and sewage confluence pipe and use method thereof |
| CN106400928B (en) * | 2016-11-17 | 2019-03-05 | 泰州晟禾水处理设备制造有限公司 | A kind of the early-stage rainwater stream abandoning system and its application method of confluence of rainwater and sewage pipe |
| CN108396850A (en) * | 2018-03-13 | 2018-08-14 | 广东中科华冉智网科技有限公司 | The intelligence that interception ratio is adjustable to prevent excessive rainwater from entering sewage pipe cuts dirty well |
| CN114876034A (en) * | 2022-03-24 | 2022-08-09 | 上海中韩杜科泵业制造有限公司 | Rainwater and sewage diversion intercepting well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20160904 |