CN1865613B - Hydraulic automatically-controlled initial rainwater drainage device - Google Patents
Hydraulic automatically-controlled initial rainwater drainage device Download PDFInfo
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- CN1865613B CN1865613B CN2006100279566A CN200610027956A CN1865613B CN 1865613 B CN1865613 B CN 1865613B CN 2006100279566 A CN2006100279566 A CN 2006100279566A CN 200610027956 A CN200610027956 A CN 200610027956A CN 1865613 B CN1865613 B CN 1865613B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000007667 floating Methods 0.000 claims description 51
- 238000007599 discharging Methods 0.000 claims description 28
- 238000004458 analytical method Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 description 3
- 230000004807 localization Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The invention relates to a hydraulic self-control initial rain diversion method and device, which is mainly used in environment protection. Wherein, the initial rain enters into the timing water room and main water room synchronously; the timing water room utilizes the hydraulic theory to hydraulically time and utilizes the lifting and falling of two floats and the tension of different lines to release the preset delay automatic discharge to recover to the condition before raining; then enters into next cycle. The invention has simple structure and easy maintenance.
Description
Technical field
A kind of waterpower self-control early-stage rainwater stream abandoning device relates to early rainwater automatic flow abandoning apparatus, belongs to the rainwater catchment system field in municipal drainage or the environmental protection.
Background technology
Abroad rainwater collection and utilization are carried out for many years.The research work of this respect has also been carried out in the city that China's part lack of water is serious, as Beijing, Qingdao etc.Owing to contain a large amount of pollutants in the atmosphere, and also there is all contaminations on the ground of generation rainfall runoff, road, roof etc., therefore according to domestic and international research, contain a large amount of pollutants in the runoff that the rainfall initial stage forms, its condition of water quality is poor, does not often meet the requirement of rainwater catchment system; Perhaps cause the subsequent treatment process complexity, do not meet the requirement that the rainwater treatment process is simple, be convenient to maintenance management.Therefore, when rainwater utilization, generally tend to early-stage rainwater stream abandoning.Early-stage rainwater stream abandoning often relates to drainage tank scale and two problems of the method for operation: one, if the rainwater capture range is wider, the abandoned stream amount can be correspondingly bigger so, and the drainage tank volume is bigger; Two, because the randomness of rainfall, there is certain difficulty in the emptying work of drainage tank, especially in the inconvenient place that arrives of personnel.At present, people such as the Che Wu of Beijing Inst. of Civil Engineering ﹠ Arch study and have invented early-stage rainwater stream abandoning device and method (the shunting rainwater automatic flow abandoning method and apparatus with shunting function, the ZL patent No. 02155637.7), this invention utilizes one only to need abandoned stream early-stage rainwater cumulative volume part even 1/tens diffluence room to solve the capacious problem of drainage tank, this diffluence room has reduced the initial rain water drainage tank scale really, (part is collected in the drainage tank to accomplish to shunt automatically early-stage rainwater, a part directly emits), will be collected in the early-stage rainwater stream abandoning discharging in the drainage tank then.But this invention still relies on manually-operated in the operation of drainage tank, and the indoor artificial emptying of rainwater needs of accumulating of the abandoned stream after each rainfall could be collected as the early-stage rainwater stream abandoning of next rainwater utilization.Therefore in the place that personnel's inconvenience arrives, for example to the rainwater catchment system in speedway gutter, the rainwater catchment system facility etc. that perhaps can't set the personal management still can't carry out early-stage rainwater stream abandoning.
Summary of the invention
The purpose of this invention is to provide a kind of early rainwater automatic flow abandoning method, carry out early-stage rainwater stream abandoning in this way and can carry out, and operational management is with low cost in the place that personnel's inconvenience arrives.
Another object of the present invention is to design a kind of simple and reliable for structure, make and device that the cheap early rainwater automatic flow abandoning of running cost is used.
In order to achieve the above object, the present invention carries out practical application with simple Principles of Hydraulic Machinery, after finishing early-stage rainwater stream abandoning, can collect for next rainwater automatically and carry out the early-stage rainwater stream abandoning preparation, make the heavy early-stage rainwater of pollution that the energy automatic flow abandoning can not directly use in the rainfall, with the direct applied rainwater catchment system of middle and later periods energy.Finish the back by the rainwater in the manual emission emptying flow abandoning apparatus with existing every rainfall, could collect as next rainwater and compare, have the manual work of need not, the advantage that automaticity is high.Concrete technology is as follows:
Comprise the scale of determining with first stage of construction rain water drainage amount and flow abandoning apparatus: according to the analysis of water of many rainfall rainwater and the amount of precipitation statistics of locality, selected early-stage rainwater stream abandoning amount, according to the early-stage rainwater stream abandoning amount, determine the scale of flow abandoning apparatus then, and construct flow abandoning apparatus;
Be characterized in: early-stage rainwater adopts automatic flow abandoning: according to the analysis of rainfall data for many years of locality, blanking time between selected two rainfalls, determine that flow abandoning apparatus is finished and collect and discharge needed total time, and the discharging emptying and the reinstatement process of flow abandoning apparatus be designed to carry out automatically, reach after finishing early-stage rainwater stream abandoning with this, can carry out the purpose that early-stage rainwater stream abandoning is prepared for the collection of next rainwater automatically.
Realize the device of waterpower self-control early-stage rainwater stream abandoning, be characterized in: this device comprises timing collecting chamber and main collecting chamber.A fixed magnet on the top board in the timing collecting chamber, base plate is offered the timing delivery pipe.Timing delivery pipe internal diameter calculates definite by hydraulic principle, the rainwater time of satisfying collection in the emptying timing collecting chamber equals two time intervals between the rainfall.Timing delivery pipe top port is provided with timing discharging cover plate, by timing emission control rope cover plate and the binding of timing floating drum is discharged in timing, and its length equals the distance after magnet is opened fully to timing discharging cover plate.The suction of magnet adds the weight of timing discharging cover plate greater than the timing floating drum, so that the water level in the timing collecting chamber rises to magnet can hold the timing floating drum time, cover plate is discharged in timing open, and realizes the purpose of automatic flow abandoning.Timing collecting chamber bottom also is provided with the control floating drum, and the weight of control floating drum is greater than the suction of magnet to the timing floating drum, and its bottom is connected with timing collecting chamber base plate by the longitudinal spacing rope, and a side is connected with partition wall by the cross spacing rope.Control floating drum top is provided with two ropes, and one is the connection cord that is connected with the timing floating drum, and its length satisfies when the control floating drum falls back to timing collecting chamber base plate can be pulled away from magnet with the timing floating drum.Another root is main emission control rope, main emission control rope is connected by the main discharging cover plate that the pulley and the main delivery pipe port of main collecting chamber base plate are provided with, main discharging cover plate can be opened fully when the satisfied control of its length floating drum falls back to timing collecting chamber base plate, be realized that main collecting chamber discharges purpose automatically.Pulley is installed in the partition wall top between timing collecting chamber and the main collecting chamber.Partition wall is lower than the bottom position after the timing floating drum is sucked by magnet.There is screen cloth timing collecting chamber top, and its aperture is less than the internal diameter of timing delivery pipe.
Advantage of the present invention is:
1. because automatic flow abandoning of the present invention is analysis of water of many rainfall rainwater and the amount of precipitation statistics according to the locality, selected early-stage rainwater stream abandoning amount, the heavy early-stage rainwater of pollution that the rainfall automatic flow abandoning can not directly be used is with the direct applied rainwater catchment system of middle and later periods energy.
2. because automatic flow abandoning of the present invention is according to the blanking time between two rainfalls for many years of locality, determine to finish and collect and discharge needed total time, and with the emptying of flow abandoning apparatus with restore to the original state and be designed to be able to the process of carrying out automatically, therefore the operation of method of the present invention does not rely on manually-operated, after finishing early-stage rainwater stream abandoning, be that next early-stage rainwater stream abandoning is ready automatically.
3. owing to be provided with a magnetite and two floating drums in the timing collecting chamber of device of the present invention, rope by three length settings is connected floating drum with two cover plates in two collecting chambers, and calculate rational delivery pipe internal diameter, and realize clocking capability, make the early-stage rainwater stream abandoning automation.
4. because the timing collecting chamber of device of the present invention top is provided with the screen cloth of a mesh diameter less than timing delivery pipe internal diameter, therefore can guarantee timing delivery pipe operate as normal.
5. because the timing collecting chamber of device of the present invention top is provided with a screen cloth, and extend to above the main collecting chamber, therefore in the automatic flow abandoning process, the graininess pollutant of holding back on the screen cloth of timing collecting chamber top is when the rainfall runoff amount is bigger, can be washed away into main collecting chamber automatically, guarantee this class particulate matter to be got rid of by automatic flow abandoning.
Description of drawings
Fig. 1 is the structural representation of waterpower self-control early-stage rainwater stream abandoning device of the present invention
Fig. 2 is the vacant state diagram of device of the present invention before the rainfall
When Fig. 3 rises to I-I for controlling floating drum in the device of the present invention, two equal closing state figure of cover plate
Fig. 4 is after the timing floating drum is attracted by magnetite, the momentary status figure that timing discharging cover plate is opened
Fig. 5 is a timing collecting chamber drawdown, the emissions status figure that main collecting chamber is fully loaded
Fig. 6 drops to position I-I when following, main collecting chamber emissions status figure for the control floating drum
Number in the figure:
1-rainwater water inlet pipe, 2-can utilize the rainwater collecting pipe, 3-abandoned stream rainwater inlet tube, 4-screen cloth, the 5-fixed pulley, 6-master's emission control rope, 7-timing floating drum, 8-controls floating drum, 9-cross spacing rope, and 10-master discharges cover plate, 11-master's collecting chamber, 12-master's delivery pipe, 13-longitudinal spacing rope, 14-timing delivery pipe, 15-timing discharging cover plate, 16-timing emission control rope, the 17-connection cord, 18-timing collecting chamber, 19-magnet.
The specific embodiment
Early rainwater automatic flow abandoning implementation process of the present invention is:
(1) analysis of water of many rainfall rainwater and the amount of precipitation analysis according to this area comes reasonable selection early-stage rainwater amount (generally representing with mm), long-pending in conjunction with rainwater collection surface in the engineering reality again, determine the early-stage rainwater volume, i.e. early-stage rainwater stream abandoning amount, thus determine whole automatic flow abandoning apparatus scale.
(2) according to the analysis of rainfall data for many years of locality, T blanking time between selected two rainfalls
1, determine that flow abandoning apparatus is finished to collect and discharge needed total time T
2, T
2Should be equal to or slightly less than T
1Emptying and reinstatement process with flow abandoning apparatus is designed to carry out automatically then, reaches after finishing early-stage rainwater stream abandoning with this, can collect for next rainwater automatically and carry out the purpose that early-stage rainwater stream abandoning is prepared.
Early rainwater automatic flow abandoning apparatus of the present invention is:
See also Fig. 1.Device of the present invention is made of timing collecting chamber 18 and main collecting chamber 11.Early-stage rainwater amount V=V according to abandoned stream in a certain the rainfall
1+ V
2, V wherein
1Be timing collecting chamber 18 volumes, V
2Be main collecting chamber 11 volumes.V
1=S * H, S are the cross-sectional areas of timing collecting chamber 18, and H is the available depth of timing collecting chamber 18 when timing begins; Under the situation that V at first determines, with T
2≤ T
1Be controlled condition,, can determine V by choose reasonable S and H
1, determine V at last
2, arrange and the plane deployment scenarios according to elevation again, determine the concrete size of automatic flow abandoning apparatus of the present invention, and according to the selected rope lengths of device physical dimension; According to particulate matter size distribution characteristics in the local rainwater, determine the internal diameter size and the timing collecting chamber 18 top screen clothes 4 aperture size sizes of timing delivery pipe 14; Main delivery pipe 12 calibers of selected main collecting chamber 11 are generally more than 400mm during design.Determine floating drum weight and magnet suction according to the constraints between two floating drum quality and the magnet magnetic force (suction).For preventing that controlling floating drum 8 moves freely, limit and control floating drum 8 with cross spacing rope 9 and longitudinal spacing rope 13 and move within the specific limits.The shell elasticity of demand material protection of timing floating drum 7 prevents that it is breaking away from 19 moments of magnet, and damage is caused in collecting chamber 18 bottoms during impact metre.Each parts of device of the present invention must satisfy intensity and requirement for anticorrosion.
At present, device of the present invention has designed success.Physical model has passed through checking, and is successfully applied in the expressway rainwater catchment system system of PVG.Physical model and actual engineering plane ratio are 1: 10, and ratio is 1: 2 on the short transverse.
Below by this project example design parameter device practical situations of the present invention is described: according to rainfall data and analysis of water for many years, the early-stage rainwater amount in somewhere, PVG is defined as 5mm, and it is 12000m that certain rainwater demonstration project is collected area
2, road surface rainfall runoff coefficient is 0.90, determines that the initial rainwater discharge amount is 54m
3, promptly the dischargeable capacity of this device is 54m
3, to analyze according to local rainwater particle size distribution, the caliber of selected timing delivery pipe 14 is 10mm, and the caliber of main delivery pipe 12 is 400mm, and top screen cloth 4 aperture sizes of timing collecting chamber 18 are 5mm.According to locality rainfall data for many years, the time interval between selected two rainfalls is at 24h, i.e. T
1Be 24h.In conjunction with elevation in the actual engineering and layout, determine that timing collecting chamber 18 available depth H are 1.6m, planar dimension is 5m * 1.1m, and main collecting chamber dischargeable capacity is of a size of 5m * 5.6m * 1.6m, this device early-stage rainwater discharging of Practical Calculation is lasted for 18.5h, i.e. T
2Be 18.5h, satisfy T
2≤ T
1Requirement.The gravity of timing floating drum 7 is 20N, and the gravity of control floating drum 8 is 100N.The automatic discharge function of device is along with water level is differently realized main discharging cover plate 10 and timing discharging cover plate 15 automatic open and close with stressed by two floating drums.
The operation logic of device of the present invention is as follows:
See also Fig. 2, this device is vacant before the rainfall.Be vacant state in timing collecting chamber 18 and the main collecting chamber 11, timing discharging cover plate 15 is closed, and main discharging cover plate 10 is opened, and timing floating drum 7, control floating drum 8 all are on the base plate of timing collecting chamber 18, main emission control rope 6 tensions, other all control rope all is in relaxed state.
See also Fig. 3, after rainfall begins since early-stage rainwater stream abandoning device of the present invention on elevation than rainwater water inlet pipe 1 with can utilize rainwater collecting pipe 2 low, so early-stage rainwater can fill up this device earlier.Before early-stage rainwater enters timing collecting chamber 18 and main collecting chamber 11, by on the screen cloth 4 the big particle material of carrying under one's arms in the early-stage rainwater being held back.Water level raises in the timing collecting chamber 18, and timing floating drum 7 and control floating drum 8 all raise along with water level and rise, and main emission control rope 6 is lax gradually, and main discharging cover plate 10 is closed gradually.After control floating drum 8 rose to critical localisation I-I, main delivery pipe control rope 6 was lax fully, and main discharging cover plate 10 is closed fully, and timing discharging cover plate 15 is in closure state always.
See also Fig. 4, along with the carrying out of rainfall, water level continues to rise in the timing collecting chamber 18.When water level surpassed the partition wall top, rainwater also entered main collecting chamber 11 simultaneously.When timing floating drum 7 has just risen to critical localisation II-II moment, timing floating drum 7 attracts together with magnet 19 under magneticaction.Because timing emission control rope 16 length are fixed, just less than the length of magnet 19 to timing collecting chamber 18 bottoms, so timing discharging cover plate 15 is opened, discharging beginning during timing collecting chamber 18 potamometers, also be that early-stage rainwater is collected end this moment, simultaneously, the runoff that rainfall after this forms can think and not belong to the early-stage rainwater category, can enter can utilize rainwater collecting pipe 2 to be collected to have utilized.
See also Fig. 5, after rainfall stopped, water level began continuous decline in the timing collecting chamber 18, and water level is constant in the main collecting chamber 11, and the position of timing floating drum 7 and control floating drum 8 remains unchanged.
See also Fig. 6, when drawdown in the timing collecting chamber 18 was following to critical localisation I-I, the tension of timing floating drum 7 controlled floating drums 8 and magnet 19 broke away from, and fell back on the base plate of timing collecting chamber 18, and timing discharging cover plate 15 is closed.Control floating drum 8 simultaneously and also descend with the decline of water level, main emission control rope 6 tensions, main discharging cover plate 10 is opened, and rainwater is by abandoned stream (discharging) in the main collecting chamber 11, and timing finishes.Timing collecting chamber 18 and main collecting chamber 11 be all by automatic emptying, returns to the state (see figure 2) before the rainfall, during for next rainfall potamometer, automatic flow abandoning is ready.So circulation has realized the automatic flow abandoning early-stage rainwater.
Claims (1)
1. waterpower self-control early-stage rainwater stream abandoning device, comprise timing collecting chamber (18) and main collecting chamber (11), it is characterized in that: a fixed magnet (19) on the top board in the timing collecting chamber (18), base plate is offered timing delivery pipe (14), timing delivery pipe (14) internal diameter calculates definite by hydraulic principle, satisfy to collect the required time of rainwater in the emptying timing collecting chamber (18) and equal two time intervals between the rainfall; Timing delivery pipe (14) top port is provided with timing discharging cover plate (15), by timing emission control rope (16) cover plate (15) is discharged in timing and link with timing floating drum (7), its length equals the distance after magnet (19) is opened fully to timing discharging cover plate (15); The suction of magnet (19) adds the weight of timing discharging cover plate (15) greater than timing floating drum (7), so that the water level in the timing collecting chamber (18) rises to magnet (19) can hold timing floating drum (7) time, cover plate (15) is discharged in timing open, and realizes automatic flow abandoning; Timing collecting chamber (18) bottom also is provided with control floating drum (8), the weight of control floating drum (8) is greater than the suction of magnet (19) to timing floating drum (7), its bottom is connected with timing collecting chamber (18) base plate by longitudinal spacing rope (13), and a side is connected with partition wall by cross spacing rope (9); Control floating drum (8) top is provided with two ropes, and one is the connection cord (17) that is connected with timing floating drum (7), and its length satisfies when control floating drum (8) falls back to timing collecting chamber (18) base plate can be pulled away from timing floating drum (7) magnet (19); Another root is a main emission control rope (6), main emission control rope (6) is connected by the main discharging cover plate (10) that the pulley (5) and main delivery pipe (12) port of main collecting chamber (11) base plate are provided with, main discharging cover plate (10) can be opened fully when its length satisfied control floating drum (8) falls back to timing collecting chamber (18) base plate, be realized that main collecting chamber (11) discharges purpose automatically; Pulley (5) is installed in the partition wall top between timing collecting chamber (18) and the main collecting chamber (11); Partition wall is lower than the bottom position after timing floating drum (7) is sucked by magnet (19); There is screen cloth (4) timing collecting chamber (18) top, and its aperture is less than the internal diameter of timing delivery pipe (14);
The method that described waterpower self-control early-stage rainwater stream abandoning device adopts comprises: according to the analysis of water of many rainfall rainwater and the amount of precipitation statistics of locality, selected early-stage rainwater stream abandoning amount, according to the early-stage rainwater stream abandoning amount, determine the scale of flow abandoning apparatus then, and construct flow abandoning apparatus; According to the analysis of rainfall data for many years of locality, the blanking time between selected two rainfalls, determine that flow abandoning apparatus is finished to collect and discharge needed total time; Utilize described waterpower self-control early-stage rainwater stream abandoning device to finish the discharging emptying and the reinstatement of flow abandoning apparatus automatically, reach after finishing early-stage rainwater stream abandoning, collect for next rainwater automatically and carry out the purpose that early-stage rainwater stream abandoning is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100279566A CN1865613B (en) | 2006-06-22 | 2006-06-22 | Hydraulic automatically-controlled initial rainwater drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100279566A CN1865613B (en) | 2006-06-22 | 2006-06-22 | Hydraulic automatically-controlled initial rainwater drainage device |
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| Publication Number | Publication Date |
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| CN1865613A CN1865613A (en) | 2006-11-22 |
| CN1865613B true CN1865613B (en) | 2010-10-06 |
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| CN2006100279566A Expired - Fee Related CN1865613B (en) | 2006-06-22 | 2006-06-22 | Hydraulic automatically-controlled initial rainwater drainage device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886408B (en) * | 2010-06-25 | 2012-05-23 | 同济大学 | Horizontal initial rainwater abandonment device |
| CN102220783B (en) * | 2011-04-14 | 2012-10-10 | 中国市政工程中南设计研究总院 | Device and method for controlling urban combined sewerage overflow and rainwater runoff pollution and application thereof |
| CN103866846B (en) * | 2014-02-21 | 2015-06-17 | 武汉圣禹排水系统有限公司 | Primary rainwater separation method |
| CN104074260B (en) * | 2014-07-04 | 2016-02-10 | 北京泰宁科创雨水利用技术股份有限公司 | A kind of rain water drainage system of mouth of pipe Based Intelligent Control |
| CN106894466B (en) * | 2017-01-16 | 2019-05-14 | 同济大学 | A kind of unpowered rainwater part flow arrangement |
| CN108951826B (en) * | 2018-06-27 | 2019-09-17 | 中国地质大学（武汉） | Rainwater storage recycles Water Plaza landscape |
| CN110924469A (en) * | 2019-11-11 | 2020-03-27 | 西安重光明宸检测技术有限公司 | Rainwater collecting device for detection |
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