CN203559482U - Hydraulic automatic control leaping weir initial rainwater intercepting well - Google Patents
Hydraulic automatic control leaping weir initial rainwater intercepting well Download PDFInfo
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- CN203559482U CN203559482U CN201320734481.XU CN201320734481U CN203559482U CN 203559482 U CN203559482 U CN 203559482U CN 201320734481 U CN201320734481 U CN 201320734481U CN 203559482 U CN203559482 U CN 203559482U
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- weir
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Abstract
The utility model discloses a hydraulic automatic control leaping weir initial rainwater intercepting well which is applicable to the improvement of a separate system rainwater pipeline. The intercepting well comprises a well body, a flow inlet pipe, an intercepting pipe, a hydraulic automatic control weir, four limiting blocks, a floating bowl, a fan-shaped flow-blocking side plate, a small leakage flow hole, a division wall, an overflowing pipe, a man hole, a pedal, a weir plate shaft and the like. During construction of the intercepting well, the flow of the flow inlet pipe is increased along with increase of rainfall when it rains; when the flow of the flow inlet pipe is increased to a certain degree, a jet flow outer curve gets over the automatic control weir, the wire plate of the automatic control weir is opened under the action of the buoyancy action of the floating bowl, and the water flow of the flow inlet pipe is completely abandoned until the water yield of the flow inlet pipe is almost zero; the floating bowl descends due to the leakage flow action of the leakage flow hole, the weir plate is reset, and cleaner rainwater produced in the later period enters receiving water. The intercepting well is completely controlled hydraulically, no other control device is needed, and the intercepting well is stable in operation, easy to maintain and convenient to manage.
Description
Technical field
The utility model relates to rain-water drainage treatment technology, especially relates to a kind ofly can holding back early-stage rainwater and the complete technology of holding back of abandoned stream later stage rainwater.
Background technology
Due to the development of human civilization, people increase gradually to the attention degree of environment, also there is deep variation in urban sewerage and drainage system, combined sewer systems is towards shutoff type combined flow system and separate flow system development, and separate flow system rainwater discharges water body completely nearby.But the mankind's production, life are discharged in the middle of environment a large amount of pollutants, by rain drop erosion, entered receiving water body, caused the severe contamination of environment, if rainwater is all collected and is entered Sewage Plant processing, will cause huge impact to the stable operation of Sewage Plant, also can cause the serious waste of Sewage Plant scale drought period.Early-stage rainwater drip washing atmosphere, and wash away the pollutant of underlying surface, make to contain in early-stage rainwater runoff the pollutants such as a large amount of organic matters, pathogen, grease, suspended solid, therefore the degree of contamination of early-stage rainwater is higher, in rainfall runoff, pollute often the most serious part, and later stage rainwater is cleaner, enters water body and can not cause serious pollution.If therefore early-stage rainwater runoff is held back, entering Sewage Plant and process and discharge, is a kind of method preferably.Traditional weir formula or groove weir formula catchpit are due to the effect on weir, can hinder the smooth discharge of current in rain pipe, slot type, groove weir formula, weir formula and jump over weir formula catchpit and all exist clean rainwater of later stage can not realize the problems such as abandoned stream (also to deposit the unsettled problem of the amount of damming for first 3 kinds, during big yield, the actual amount of damming can increase considerably).In addition, traditional electronic control weir plate lifting realizes dams and to have operation stable not for flow abandoning apparatus, complicated structure, the shortcoming such as difficult in maintenance.
For example once disclosed a kind of early-stage rainwater stream abandoning device of China's patent No. 200910191015.X, it mainly consists of chamber, shunting overflow weir, shunting diversion chamber, time delay automatic-discharging mechanism etc. after charge for remittance chamber, abandoned stream partition, abandoned stream water service pipe, water flow control mechanism, abandoned stream cup, abandoned stream.Although this device can be realized early-stage rainwater stream abandoning, but apparatus structure complexity, cost costliness, because can causing early stage part early-stage rainwater to remain in the inside and then be mingled in clean rainwater of later stage, the existence in time delay control room discharges simultaneously, the arranging of gutter can cause having all the time the clean rainwater in-line arrangement water pipe of part and enter into the outer discharge pipe of early-stage rainwater, therefore exist separating effect poor, separate halfway defect.
Utility model content
For above-mentioned the deficiencies in the prior art, the technical problems to be solved in the utility model is: how to provide a kind of simple in structure, be convenient to implement, with low cost and can realize automatic separation good separating effect hydraulic automatism control jump over weir primary rainwater closure well.
In order to solve the problems of the technologies described above, in the utility model, adopted following technical scheme:
A kind of hydraulic automatism control jump over weir primary rainwater closure well, comprise well body, be positioned at influent stream pipe and the outflow tube of well body sidewall, its feature is, described well body bottom is also provided with the automatic control weir that influent stream pipe and outflow tube are separated, automatically control weir along being vertically installed in influent stream pipe front lower place, automatically on the borehole wall of control bottom, weir, be provided with intercepting sewer with influent stream pipe homonymy, in the middle of top, described automatic control weir, just influent stream pipe position is provided with to breach, on breach, away from influent stream pipe one side, the weir plate mating with breach is installed, weir plate lower end is rotatably connected to breach soffit by rotating shaft, the side that deviates from influent stream pipe on weir plate is also fixedly connected with a floating drum by a connecting rod bending downwards, floating drum is positioned at one by the ponding space of automatically controlling weir and compartment wall and surrounding, described compartment wall is lower than the discharge orifice of automatically controlling height of weir degree and bottom and have level and be communicated to the well intracoelomic cavity space of outflow tube direction, described outflow tube is positioned at well intracoelomic cavity space bottom position.
The catchpit of this programme can be used in primary rainwater closure makes it from intercepting sewer, flow out, and the later stage, clean rainwater all flowed out by outflow tube, and the automatic control that has realized rainwater separates.Simultaneously its structure is only comprised of simple structures such as overflow weir, weir plate, compartment wall and floating drums, has simple in structurely, is convenient to implement feature with low cost.
As optimization, on upper notch two side, described automatic control weir, near influent stream pipe direction position, be also respectively provided with a protruding stream limited block that connects, connect stream limited block and remain for support limit weir plate the water receiving state that upper end tilts to influent stream pipe direction; On upper notch two side, described automatic control weir, near outflow tube direction position, be also respectively provided with a protruding reset limited block, the spacing closure state remaining straight up when connecing stream limited block and resetting for weir plate.
After optimizing like this, for unlatching and the reset of weir plate provide fulcrum, be conducive to the accurate switching of weir plate, and avoid the destruction of water impact to weir plate.
As optimization, weir plate both sides are along being respectively fixedly connected with away from the direction of influent stream pipe the fan-shaped baffle side plate that a top is arc-shaped side.Can prevent that like this waterpower is again back in cut-off groove from weir plate.
As optimization, the cylindrical shell of floating drum is placed in the side of weir plate, has avoided the impact failure of current.
When the utility model is used, the early-stage rainwater that need to dam is from influent stream pipe enters well intracoelomic cavity, because the water yield is less, directly drop into influent stream pipe and automatically control in the well body cavity between weir and flow to Wastewater Treatment Plant through intercepting sewer and process, after early-stage rainwater has flowed the influent stream pipe water yield become large after parabola range far away and then cross automatic control weir and weir plate enters in the ponding space between automatic control weir and compartment wall, in ponding space, water level goes up and drives floating drum floating, and then drive weir plate upper end is open mode toward influent stream pipe direction rotation, weir plate is abutted against stream limited block and keeps that angle of inclination is stable makes later stage rainwater flow in the ponding space between automatic control weir and compartment wall by weir plate after opening, allow clean rainwater of later stage all by outflow tube, arrange outward.When rain stops or is reduced to after the drizzle that is not suitable for direct outer row, the ponding in ponding space is discharged by the discharge orifice of compartment wall below, makes floating drum increase drive weir plate work period that resetted.
In the utility model, the flow of the water inlet pipe of described catchpit increases along with the increase of rainfall, and when increasing to a certain degree, jet external curve is crossed automatic control weir, automatically control weir due to float buoyancy effect, weir plate is opened, and the current of influent stream pipe are completely by abandoned stream, until the influent stream pipe water yield is almost nil, due to the earial drainage effect of discharge orifice, floating drum declines, and weir plate resets, and has realized cleaner rainwater of later stage and has entered receiving water body.Described catchpit adopts waterpower control completely, without other control appliances, stable, safeguards simply convenient management.
In the utility model, influent stream pipe current are crossed after weir plate, the region ponding in the middle of weir plate and compartment wall, and weir plate is opened towards the direction rotation of influent stream pipe under the backwater effect of float buoyancy, and current are completely by abandoned stream.When the state of weir plate in opening completely, the jet inner curve of influent stream pipe also can surmount weir crest, so can realize the later stage, does not dam completely.The utility model has been realized waterpower control completely, and device is simple, convenient management.What the weir plate of the utility model setting was realized is to rotarily open, and rotates flexibly.In the utility model, in catchpit well body, be provided with compartment wall, in the middle of body of wall, near bottom, earial drainage aperture be set, for condition has been created in the effect of floating drum.In the utility model, on weir plate both sides, be provided with 4 limited blocks, for unlatching and the reset of weir plate provide fulcrum, be conducive to the accurate switching of weir plate, and avoid the destruction of water impact to weir plate.In the utility model, weir plate is about influent stream pipe vertical section symmetry, and both sides width is preferably and exceedes internal diameter of the pipeline 5-10 centimetre, and both sides install baffle side plate additional, have avoided current to get back in cut-off groove from weir plate.
In the utility model, the rotation of weir plate has realized two effects, and the one, reduced the distance of weir and influent stream pipe, the 2nd, reduced the height of crest of weir, two kinds of effects, are all conducive to current and jump over weir plate, realize abandoned stream.
The catchpit that the utility model adopts is simple in structure, and function implementation procedure is simple, has overcome the problem that traditional vertical-lifting weir plate easily breaks down
In the utility model, earial drainage aperture is preferably arranged on the position near bottom in the middle of compartment wall, its bore by using compartment wall height as acting head and later stage minimum controlling flux calculate, due to the impact of current, aperture is difficult to blocked simultaneously.
In sum; the utility model can enter Sewage Plant by polluting more serious primary rainwater closure in rainfall runoff, and cleaner rainwater of later stage is realized complete abandoned stream, has effectively reduced building size and the environmental protection of Sewage Plant; and operation Non-energy-consumption, safeguards simple.Meanwhile, there is catchpit simple in structure, be convenient to implement the advantage of with low cost and good separating effect.
Accompanying drawing explanation
Fig. 1 is the floor map of the utility model catchpit.
Fig. 2 is B-B cross-sectional view in Fig. 1.
Fig. 3 is C-C cross-sectional view in Fig. 1.
Fig. 4 is A-A cross-sectional view in Fig. 1.
Fig. 5 is the little water yield situation of A-A cross-sectional view in Fig. 1.
Fig. 6 is water yield situation in early stage of A-A cross-sectional view in Fig. 1.
Fig. 7 is the flow of controlling, the situation before floating drum effect of namely needing compared with big yield the early stage of A-A cross-sectional view in Fig. 1.
Fig. 8 be in Fig. 1 A-A cross-sectional view compared with big yield, the situation after floating drum effect.
Fig. 9 is that later stage of A-A cross-sectional view in Fig. 1 is compared with low discharge situation.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, structure of the present utility model is described in further detail.
During concrete enforcement, as shown in Fig. 1-Fig. 9, a kind of hydraulic automatism control jump over weir primary rainwater closure well, comprise well body, the influent stream pipe 1 and the outflow tube 9(that are positioned at well body sidewall are bleed off pipe), described well body bottom is also provided with the automatic control weir that influent stream pipe 1 and outflow tube 9 are separated, automatically control weir along being vertically installed in influent stream pipe 1 front lower place, automatically on the borehole wall of control bottom, weir, be provided with intercepting sewer 2 with influent stream pipe homonymy, in the middle of top, described automatic control weir, just influent stream pipe position is provided with to breach, on breach, away from influent stream pipe one side, the weir plate 3 mating with breach is installed, weir plate 3 lower ends are rotatably connected to breach soffit by rotating shaft 13, the side that deviates from influent stream pipe 1 on weir plate 3 is also fixedly connected with a floating drum 5 by a connecting rod bending downwards, floating drum 5 is positioned at one by the ponding space of automatically controlling weir and compartment wall 8 and surrounding, described compartment wall 8 is lower than the discharge orifice 7 of automatically controlling height of weir degree and bottom and have level and be communicated to the well intracoelomic cavity space of outflow tube 9 directions, described outflow tube 9 is positioned at well intracoelomic cavity space bottom position.On upper notch two side, described automatic control weir, near influent stream pipe direction position, be also respectively provided with protruding connecing and flow limited block 4, connect stream limited block 4 and remain for support limit weir plate 3 the water receiving state that upper end tilts to influent stream pipe direction; On upper notch two side, described automatic control weir, near outflow tube direction position, be also respectively provided with a protruding reset limited block 12, the spacing closure state remaining straight up when connecing stream limited block 12 and resetting for weir plate 3.Weir plate both sides are along being respectively fixedly connected with away from the direction of influent stream pipe the fan-shaped baffle side plate 6 that a top is arc-shaped side.Number in the figure 10 is manhole, and label 11 is step, to facilitate on personnel, goes into the well.
When this catchpit is used, make the early-stage rainwater that need to dam from influent stream pipe enters well intracoelomic cavity, because the water yield is less, directly drop into influent stream pipe and automatically control in the well body cavity between weir and flow to Wastewater Treatment Plant through intercepting sewer and process, after early-stage rainwater has flowed the influent stream pipe water yield become large after parabola range far away and then cross automatic control weir and weir plate enters in the ponding space between automatic control weir and compartment wall, in ponding space, water level goes up and drives floating drum floating, and then drive weir plate upper end is open mode toward influent stream pipe direction rotation, weir plate is abutted against stream limited block and keeps that angle of inclination is stable makes later stage rainwater flow in the ponding space between automatic control weir and compartment wall by weir plate after opening, allow clean rainwater of later stage all by outflow tube, arrange outward.
Specifically, after catchment occurs, underlying surface rainwater collects in the storm sewer system that enters segregation system, by pipeline, be delivered to catchpit place, according to the variation of the water yield, when the water yield is larger, weir plate is realized and is automatically opened abandoned stream, rainfall finishes after rear and the disappearance of bore stream, and weir plate resets, and enters the holding state of next catchment.
As Fig. 5 and Fig. 6, the flow of influent stream pipe is less than the flow that need to dam, and jet external curve is within weir plate dams scope, and weir plate can be in vertical state, and the water yield enters intercepting sewer completely, is delivered in downstream factory or storage pond.
As shown in Figure 7, the flow of influent stream pipe is larger, jet curved portion has been crossed weir plate top, fall the middle region of weir plate and compartment wall, because discharge orifice vent flow is less than the flow entering, the region ponding in the middle of weir plate and compartment wall, water level rises, promote floating drum and act on weir plate, weir plate is opened (as Fig. 8), and the flow of influent stream pipe is all crossed weir plate abandoned stream.Because the weir plate after opening can make jet inner curve cross weir plate, so as long as there is flow (as Fig. 9) in the later stage, floating drum will generation effect, weir plate will be in opening, and exercising result is the whole overflows of cleaner rainwater of later stage.
After the runoff of a rainfall generation stops, discharge orifice can slowly release the water of weir plate and compartment wall mid portion, and floating drum declines, and weir plate is got back to state shown in Fig. 4 along with floating drum resets, and a work period is complete, enters the holding state of next cycle.
Claims (3)
1. a hydraulic automatism control jumps over weir primary rainwater closure well, comprise well body, be positioned at influent stream pipe and the outflow tube of well body sidewall, it is characterized in that, described well body bottom is also provided with the automatic control weir that influent stream pipe and outflow tube are separated, automatically control weir along being vertically installed in influent stream pipe front lower place, automatically on the borehole wall of control bottom, weir, be provided with intercepting sewer with influent stream pipe homonymy, in the middle of top, described automatic control weir, just influent stream pipe position is provided with to breach, on breach, away from influent stream pipe one side, the weir plate mating with breach is installed, weir plate lower end is rotatably connected to breach soffit by rotating shaft, the side that deviates from influent stream pipe on weir plate is also fixedly connected with a floating drum by a connecting rod bending downwards, floating drum is positioned at one by the ponding space of automatically controlling weir and compartment wall and surrounding, described compartment wall is lower than the discharge orifice of automatically controlling height of weir degree and bottom and have level and be communicated to the well intracoelomic cavity space of outflow tube direction, described outflow tube is positioned at well intracoelomic cavity space bottom position.
2. hydraulic automatism control as claimed in claim 1 jumps over weir primary rainwater closure well, it is characterized in that, on upper notch two side, described automatic control weir, near influent stream pipe direction position, be also respectively provided with a protruding stream limited block that connects, connect stream limited block and remain for support limit weir plate the water receiving state that upper end tilts to influent stream pipe direction; On upper notch two side, described automatic control weir, near outflow tube direction position, be also respectively provided with a protruding reset limited block, the spacing closure state remaining straight up when connecing stream limited block and resetting for weir plate.
Hydraulic automatism control as claimed in claim 1 or 2 jump over weir primary rainwater closure well, it is characterized in that, weir plate both sides are along being respectively fixedly connected with away from the direction of influent stream pipe the fan-shaped baffle side plate that a top is arc-shaped side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320734481.XU CN203559482U (en) | 2013-11-20 | 2013-11-20 | Hydraulic automatic control leaping weir initial rainwater intercepting well |
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| CN201320734481.XU CN203559482U (en) | 2013-11-20 | 2013-11-20 | Hydraulic automatic control leaping weir initial rainwater intercepting well |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104746637A (en) * | 2015-04-02 | 2015-07-01 | 武汉圣禹排水系统有限公司 | Inflow-height-adjustable pontoon type upstream control check gate |
| CN108625469A (en) * | 2018-06-01 | 2018-10-09 | 北京建筑大学 | A kind of rainwater flow-discarding device |
-
2013
- 2013-11-20 CN CN201320734481.XU patent/CN203559482U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103590484B (en) * | 2013-11-20 | 2015-01-21 | 重庆大学 | Automatic hydraulic control leaping weir initial rainwater catch basin and flow closure method |
| CN104746637A (en) * | 2015-04-02 | 2015-07-01 | 武汉圣禹排水系统有限公司 | Inflow-height-adjustable pontoon type upstream control check gate |
| CN108625469A (en) * | 2018-06-01 | 2018-10-09 | 北京建筑大学 | A kind of rainwater flow-discarding device |
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| 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 |
Granted publication date: 20140423 Termination date: 20151120 |
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| EXPY | Termination of patent right or utility model |