CN105040804B - Separated rainwater drainage system tail end floating type filter device - Google Patents
Separated rainwater drainage system tail end floating type filter device Download PDFInfo
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- CN105040804B CN105040804B CN201510401302.4A CN201510401302A CN105040804B CN 105040804 B CN105040804 B CN 105040804B CN 201510401302 A CN201510401302 A CN 201510401302A CN 105040804 B CN105040804 B CN 105040804B
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- 239000002245 particle Substances 0.000 claims abstract description 31
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims description 74
- 239000000706 filtrate Substances 0.000 claims description 27
- 239000006260 foam Substances 0.000 claims description 12
- 229920000426 Microplastic Polymers 0.000 claims description 9
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- 230000000630 rising effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 9
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
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Abstract
The invention discloses a separated rainwater drainage system tail end floating type filter device which comprises a filter chamber with a water inlet and a water outlet. The filter chamber comprises a drainage channel, a suspended matter separation zone and a silt zone, wherein the drainage channel is used for downwards draining water bodies from the water inlet, the suspended matter separation zone comprises a filter channel of up-flow filtered water bodies and a floating filter layer which is filled into the filter channel, an inlet of the filter channel is communicated with the water outlet end of the drainage channel, an outlet of the filter channel is communicated with the water outlet, the floating filter layer comprises suspended particle filter materials and a fastener used for pressing and fixing the suspended particle filter materials, and the silt zone is located below the suspended matter separation zone and used for collecting impurities filtered by the suspended matter separation zone. According to the separated rainwater drainage system tail end floating type filter device, the structure is simple, the cost is lower, the power is not necessary, maintenance is convenient, suspended matter in the water and other pollutants adhered to the suspended matter can be effectively removed, and the floating filter layer is convenient and thorough to clean.
Description
Technical field
The present invention relates to drainage system against rain, filter dress particularly to a kind of separate system rainwater drainage system terminal float formula
Put.
Background technology
Float is one of important pollutant in rainfall runoff, is entrained with substantial amounts of float in city rainfall runoff,
Waste gas that detrital material that it produces essentially from vehicles corrosion, motor vehicles produce, atmosphere dried wet deposition thing, tire and stop
Material that car friction produces and the flue dust that discharges of resident's chimney etc..Float ss in addition to contaminative itself, be also a lot of its
His pollutant (as heavy metal, n, p, oil substances, with virose petroleum hydrocarbon (phc) and polycyclic aromatic hydrocarbon (pahs) etc.) load
The big particle of body, especially specific surface area.In drainage pipeline networks, rainfall runoff, before entering receiving water body, carries out particle
Effective removal to reduce rainwater runoff pollution significant.
In developed country, in order to solve separate system storm-water system early-stage rainwater pollution problem, carry out substantial amounts of initial stage rain
Water pollution control technical research, have developed the early-stage rainwater end-o f-pipe -control device of many forms, such as stormceptor,
Solids stormwater interceptor (ssi), stormfilter etc..These devices not only can effectively remove rainwater
In float, meanwhile, also can remove water float thing and oil slick, become the technical way of rainwater pollution end-of-pipe control.
The cutting mechanisms to float ss for these devices, have based on eddy flow or advection sedimentation principle, have based on filtration
Principle.Wherein cyclone sediment when, due to the unstability of flow of inlet water and flow velocity, hydraulic cyclone effect is difficult to stability contorting, gesture
Sedimentation effect must be affected, the clearance of total suspended matter hardly results in guarantee and improves；And for rectangular sedimentation tank, due to rainwater
The time of staying be determine float precipitation principal element, therefore, flat flow precipitation rainwater end-o f-pipe -control device exist hold
Long-pending larger, higher problem is required to site area, have impact on promotion and application；And float ss based on work principle of filter removes
, then there is filtering layer and easily block in device, filtrate cleaning is difficult, the troublesome problem of later maintenance.
At present, the domestic separate system rainwater drainage system end purifier removing main employing for float ss is also led
To adopt advection sedimentation principle or spiral-flow desilting pond.Such as notification number is that the Chinese patent literature of cn103334484a discloses one
Plant separate system rainwater drainage system end rainwater purification well, described end rainwater purification well carries positioned opposite in the horizontal direction
Water inlet and outlet, the line between water inlet and outlet be reference path, the inside of described end rainwater purification well
Including the Qing Tao area being sequentially communicated by water inlet to outlet, mud-sinking area and float Disengagement zone, described float Disengagement zone leads to
Cross flap assembly and be separated into several passages perpendicular with described reference path, the bottom of passage is to accept entering of mud-sinking area
Mouthful, the top of passage is the outlet communicating with outlet；Described flap assembly includes at least two blocks flaps being arranged parallel to,
In float Disengagement zone, said apparatus overcome in storm-water system early-stage rainwater runoff to receiving water body to the equal vertically-arranged of all flaps
Pollution problem, on the basis of original catch-basin, with shallow pool theory by installing flap assembly additional, promotes the float in rainwater
In the rainwater purification well of end, High-rate sedimentation separates.
Although prior art has certain removal effect to float, presence occupation of land is larger, and cost is higher, waterpower
Condition requires more harsh, the larger problem of the loss of flood peak, and the effect that rainwater pollution controls can not meet higher and higher water quality
Require.
Content of the invention
The invention provides a kind of separate system rainwater drainage system terminal float formula defecator, set up floatation type filter layer
Using upward flow filtration rainfall runoff, improve the rejection of float ss of catch-basin pair.
A kind of separate system rainwater drainage system terminal float formula defecator, including the filtration with water inlet and outlet
Cavity, described filter cavity includes:
Drainage channel, downward drain is derived from the water body of water inlet；
Float Disengagement zone, the filtration channel including upward flow filtration water body and be filled in the drift in described filtration channel
Floating filtering layer, the water side of drainage channel described in the inlet communication of described filtration channel, outlet described in outlet, described floating
Filtering layer includes particle filtrate and compression and the securing member of fixing particle filtrate；
Mud-sinking area, below float Disengagement zone, for collecting the impurity being suspended the filtration of thing Disengagement zone.
When the present invention uses, with the generation of rainfall runoff, rainwater flows into filter cavity from water inlet, and flow is less, dirty
Contaminate the import that heavier early-stage rainwater is drained to downwards the filtration channel of float Disengagement zone by drainage channel, in filtration channel
Interior, rainwater is filtered by upward flow filtration method, and that is, rainwater filters in filtration channel from bottom to top, in the mistake of described floating filtering layer
Under filter effect, float is trapped, and rainwater is purified.
The present invention, on the basis of original catch-basin, sets up floating filtering layer and adopts upward flow filtration rainfall runoff, improve rain
The rejection to impurity (mainly float ss) for the well, using particle media filtration, overcomes traditional sand filtration pool surface
Formed mud film, the drawbacks of filtering layer easily blocks, filtrate cleaning is difficult.
Clean particle filtrate for convenience, realize recycling it is preferred that described securing member includes hanging around described
The filtering layer frame of floating particles filtrate, be arranged on filtering layer frame two ends be used for spacing particle filtrate upper support net and under hold
Support net, the distance between described upper support net and lower support net are adjustable.
When in holding, the distance between support net and lower support net are less, particle filtrate is compacted, more closely knit, is used for
Filter, when carrying out floating filtering layer cleaning, the distance between support net and lower support net in increase, due to having density relationship ρSs granule
>ρWater>ρFiltrate, when being cleaned by current, particle filtrate scatters automatically, loosely, and sticks to floating filter in the layer impurity
(mainly float ss granule) then drops under self gravitation effect, easily realizes particle filtrate and float ss granule
Separation, after the completion of cleaning, the distance between support net and lower support net in reduction, again compression particle filtrate so as to
Become closely knit, can proceed to filter.
The distance between support net and lower support net in regulation, can be to adjust upper support net or lower support net or adjust simultaneously
On section, support net and lower support net are it is preferred that described upper support net is movably arranged on filtering layer frame along filtration channel length direction
On.Increase distance by adjusting upper support net, when rinsing particle filtrate, particle filtrate can float up,
In promotion, support rises on the net, and this process not only can make the impurity on particle filtrate be more easy to drop, and improves cleaning performance, and
And do not need in addition to drive the upper support net of regulation, easy to operate.
Adjust for convenience it is preferred that the detachable bullet connecting upper support net and filtering layer frame is crossed by described upper support Netcom
Spring is fixed.When spring connects upper support net and filtering layer frame, tension or the upper support net of compression are fixed, after dismounting spring,
Constraint disappears, and upper support net is along the activity of filtration channel length direction, the distance between support net and lower support net in increase.Described
The spring filtering layer frame that reclines is installed, around upper support selvage along being provided with least three.When described upper support net is fixed, less than water outlet
The bottom of mouth, the upper limit of described upper support net activity is flushed with the bottom of outlet.
Preferably, described particle filtrate adopts foam plastic pellet.Foam plastic pellet low price, easily acquirement, and
Foam plastic pellet is less due to density, can naturally gather and water body upper strata in water, forms natural packing under buoyancy.With
When, granule can be kept relatively stable under upward flow effect, play effective filter effect.
Foam plasticss ball size need to determine according to the target removing particle and the loss of flood peak, if float mesh
Mark clearance is higher, then preferably use (1～3mm) the foam plastic pellet compared with small particle, but the loss of flood peak then can be larger, also can fit simultaneously
When increase foam plasticss ball filtering material height, on the contrary then contrary.
The filling degree of compaction of foam plastic pellet is preferably based on the natural pushing under buoyancy, it is to avoid excess accumulation impact is moulded
Pellet extrudes, and is deformed the impact with mechanical strength.Meanwhile, filtering layer upper and lower support net can be suitably larger than baton round filter filtering layer height
Degree, is easy to the trapped substance cleaning of foam beads filter material layer.
In order that rainwater can efficiently be discharged it is preferred that described water inlet and outlet are positioned opposite, and it is located at same water
In plane.It is too low that water inlet is arranged, current cannot normally be discharged, too high, can cause greater impact to device, above-mentioned arrangement
Make rainwater in smaller radial stream, can effectively be filtered.
In order to prevent defecator blocking it is preferred that described drainage channel separates described filter cavity by downflow weir is formed,
It is the overfall of connection outlet above described downflow weir.During heavy rain, increase with rainfall, rainfall runoff is gradually increased, pollution
Concentration is gradually lowered, and now safety drain becomes the major function of system, and under this operating mode, in storm-water system, the water yield increases, water
Position rises, and the flow of super design load is immediately discharged to outlet by overfall it is ensured that not overflowing and waterlogging in upstream.
Preferably, the weir crest of described downflow weir is slightly above rising of water inlet.The weir crest of downflow weir highly can be according to upper
Trip draining safety requirements determines.
In order to extend filter layer as much as possible, improve filter effect it is preferred that the weir bottom of described downflow weir and floating filtering layer
Bottom surface flush.
Preferably, described mud-sinking area extends to the Qing Tao area formed below of described drainage channel, the bottom surface of described mud-sinking area
Downward-sloping towards Qing Tao area direction.Impurity after being separated by filtration can deposit in mud-sinking area, and because gravity is piled up to Qing Tao area,
Can be drawn clearly by the timing in Qing Tao area, by pollutant discharge system, thus realizing the control of Rainwater Initial pollution.
Beneficial effects of the present invention:
(1) present configuration is simple, and cost is relatively low, and without power, maintenance is convenient；
(2) present invention can effectively remove the float in eliminating water and other pollutant adhering to thereon, especially initial stage rill
Suspended material during amount；
(3) when the present invention uses, water body upward flow filtration overcomes traditional filtering apparatus surface well by floating filtering layer
Easily form mud film, filtering layer easily blocks, filtrate cleans the drawbacks of bother, floating filtering layer is easy to clean and thorough.
Brief description
Fig. 1 is the cross section structure diagram of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the perspective view of the floating filtering layer of the present invention.
Fig. 4 is the schematic diagram of the particle filtrate compacting of the floating filtering layer of the present invention.
Fig. 5 is the schematic diagram of the particle filtrate floating of the floating filtering layer of the present invention.
In figure, 1. Qing Tao area, 2. mud-sinking area, 3. float Disengagement zone, 4. overflow area, 5. floating filtering layer, 6. downflow weir, 7.
Water inlet pipe, 8. outlet pipe, 9. drainage channel.
Specific embodiment
As shown in Figures 1 to 3, the separate system rainwater drainage system terminal float formula defecator of the present embodiment include carrying into
The mouth of a river and the filter cavity of outlet, water inlet pipe 7 connects to water inlet, and outlet pipe 8 connects outlet, water inlet pipe 7 and outlet pipe 8
Horizontally disposed, water inlet and outlet positioned opposite and be located at same level.
Filter cavity includes: drainage channel 9, Qing Tao area 1, mud-sinking area 2, float Disengagement zone 3, overflow area 4, floating filtering layer
5 and downflow weir 6.Downflow weir 6 cut-off filter cavity forms drainage channel 9.The lower section of drainage channel 9 is Qing Tao area 1, Qing Tao area 1
Connection mud-sinking area 2, mud-sinking area 2 is located at below floating filtering layer 5, and downflow weir 6 top is overflow area 4 (overfall), downflow weir 6 weir crest
Installed height mark according to flow of inlet water, depending on upstream drainage safety requirements, for ensureing that device goes out flowing water matter, preferably slightly above water inlet pipe pipe
Top mark height (i.e. water inlet is risen).
Float Disengagement zone 3 includes vertically arranged filtration channel and is filled in floating filtering layer 5 in filtration channel, hangs
Float Disengagement zone 3 adopts upward flow filtration rainwater, retains impurity therein (mainly float ss).Mud-sinking area 2 is located at device
Bottom, mud-sinking area 2 bottom surface is downward-sloping to Qing Tao area 1 direction, is easy to the concentration deposition of the impurity of retention and draws clearly.
Floating filtering layer 5 is covered with the horizontal cross-section of whole float Disengagement zone 3, and the thickness of floating filtering layer 5 is then according to various flows
Target float ss clearance under amount, loss of flood peak limit value are designed.
Floating filtering layer 5 includes the foam plastic pellet 51 of filling uniform particle sizes as filtrate, the hole of the upper and lower support net of filtering layer
Footpath is slightly less than particle diameter of filter medium, and support net is nylon wire, is used for catching foam plastic pellet.Foam plastic pellet 51 surrounding is the firm of rectangle
Property frame 52, be connected with spring 54 between upper support net 53 and rigid border, in the present embodiment, spring 54 is provided with 4, solid respectively
It is scheduled on four foots of the rigid border 52 of rectangle, upper support net can be controlled along rigid border (rigid border and mistake by spring
Filter passage has identical length direction) move up and down, thus changing the distance between upper and lower support net, change floating filtering layer 5
Height.
No during rainfall, when carrying out filtrate cleaning, open spring, that is, release the constraint to upper support net for the spring, upper and lower hold
Support net spacing increases, and filtrate floats, and becomes loose, as shown in figure 4, the particulate matter of the interior retention of floating filtering layer 5 simultaneously is made in gravity
With under be precipitated to mud-sinking area 2, after the completion of cleaning, spring is pushed back, that is, re-forms constraint, as shown in figure 5, upper and lower support net
Spacing reduce, the filtering material particle of the internal filling of floating filtering layer 5 is compacted, thus recovering closely knit, having filter effect, being unlikely to
Upper to current scour under upper and lower support interlayer float.
When the generation of rainfall runoff, rainwater direction of arrow flowing along along Fig. 1, flow is less, the early-stage rainwater of heavy contamination
Flow into the present embodiment from water inlet pipe 7, under the stop of downflow weir 6, float Disengagement zone 3 is flowed downwardly into by drainage channel 9.
Water flows through mud-sinking area 2 top and flows into float Disengagement zone 3, and goes out stream, the impurity in rainwater by upward flow via floating filtering layer 5
(mainly float ss) is because of the internal adhesive attraction and between filtering material particle of floating filtering layer 5, and floats blocking of filtering layer 5 lower surface
Cut effect and be trapped, rainwater is purified.
And increase with rainfall, rainfall runoff is gradually increased, and pollution concentration is gradually lowered, and now safety drain becomes and is
The main major function of system.Under this operating mode, in storm-water system, the water yield increases, and water level rises, and the flow exceeding design load is through overflowing
The direct overflow in overflow area 4 of stream weir 6 top, and outlet pipe 8 is immediately discharged to by floating filtering layer 5 top surface, more direct by outlet pipe 8
Discharge is not it is ensured that overflow and waterlogging in upstream.
Claims (9)
1. a kind of separate system rainwater drainage system terminal float formula defecator, including the filter chamber with water inlet and outlet
Body is it is characterised in that described filter cavity includes:
Drainage channel, downward drain is derived from the water body of water inlet；
Float Disengagement zone, the filtration channel including upward flow filtration water body and the floating being filled in described filtration channel are filtered
Layer, the import of described filtration channel connects with the water side of described drainage channel, the outlet of described filtration channel and described water outlet
Mouth connection, described floating filtering layer includes particle filtrate and compression and the securing member of fixing particle filtrate；
Mud-sinking area, below float Disengagement zone, for collecting the impurity being suspended the filtration of thing Disengagement zone；
Described securing member includes the filtering layer frame around described particle filtrate, and the two ends being arranged on filtering layer frame are for spacing
The upper support net of particle filtrate and lower support net, the distance between described upper support net and lower support net are adjustable.
2. separate system rainwater drainage system terminal float formula defecator as claimed in claim 1 is it is characterised in that on described
Support net is movably arranged on filtering layer frame along filtration channel length direction.
3. separate system rainwater drainage system terminal float formula defecator as claimed in claim 2 is it is characterised in that on described
The upper support net of connection is crossed by support Netcom and the detachable spring of filtering layer frame is fixed.
4. the separate system rainwater drainage system terminal float formula defecator as described in claims 1 to 3 any claim, its
It is characterised by, described particle filtrate adopts foam plastic pellet.
5. the separate system rainwater drainage system terminal float formula defecator as described in claims 1 to 3 any claim, its
It is characterised by, described water inlet and outlet are positioned opposite, and be located in same level.
6. the separate system rainwater drainage system terminal float formula defecator as described in claims 1 to 3 any claim, its
It is characterised by, described drainage channel separates described filter cavity by downflow weir and formed, be connection outlet above described downflow weir
Overfall.
7. separate system rainwater drainage system terminal float formula defecator as claimed in claim 6 is it is characterised in that described overflow
The weir crest on stream weir is slightly above rising of water inlet.
8. separate system rainwater drainage system terminal float formula defecator as claimed in claim 6 is it is characterised in that described overflow
The weir bottom on stream weir is flushed with the bottom surface of floating filtering layer.
9. the separate system rainwater drainage system terminal float formula defecator as described in claims 1 to 3 any claim, its
It is characterised by, described mud-sinking area extends to the Qing Tao area formed below of described drainage channel, the bottom surface of described mud-sinking area is towards drawing clearly
Area direction is downward-sloping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401302.4A CN105040804B (en) | 2015-07-07 | 2015-07-07 | Separated rainwater drainage system tail end floating type filter device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401302.4A CN105040804B (en) | 2015-07-07 | 2015-07-07 | Separated rainwater drainage system tail end floating type filter device |
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| CN105040804A CN105040804A (en) | 2015-11-11 |
| CN105040804B true CN105040804B (en) | 2017-01-25 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430686A (en) * | 2016-11-30 | 2017-02-22 | 中冶华天工程技术有限公司 | Rain sewage disposal system |
| CN107055798B (en) * | 2017-04-24 | 2020-10-27 | 浙江中景市政园林建设有限公司 | Town road drainage system |
| CN107524222B (en) * | 2017-09-08 | 2019-06-14 | 北京建筑大学 | With abandoned stream, cut dirty and automatic cleaning function rain inlet structure |
| CN110847332B (en) * | 2019-11-05 | 2020-08-18 | 交通运输部科学研究院 | Highway bridge floor runoff purifies emergency system |
| CN111608137A (en) * | 2020-04-30 | 2020-09-01 | 吕定根 | Waterproof construction method for hydraulic engineering |
| CN111847536A (en) * | 2020-06-28 | 2020-10-30 | 南京信息工程大学 | Distributed initial rain purification system and preparation method of purification filler |
| CN113073794A (en) * | 2021-03-25 | 2021-07-06 | 江苏银中建设有限公司 | Green environment-friendly building curtain wall structure |
| CN113893608B (en) * | 2021-10-14 | 2022-08-12 | 中机国际工程设计研究院有限责任公司 | Suspension quick filter device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3323399A (en) * | 1998-04-20 | 1999-11-08 | Ecosol Pty Ltd | Rapid storm water filtration |
| CN201286292Y (en) * | 2008-10-30 | 2009-08-12 | 吉林大学 | Water treatment device of aquariums |
| CN201372242Y (en) * | 2008-11-07 | 2009-12-30 | 杜恒峰 | Waste disposal plant for catering |
| CN201485363U (en) * | 2009-08-14 | 2010-05-26 | 杜恒峰 | Sewage treatment device for restaurants |
| CN103334485A (en) * | 2013-07-05 | 2013-10-02 | 浙江大学 | Suspended matter separating well for separate system rainwater drainage system |
| CN103334484A (en) * | 2013-07-05 | 2013-10-02 | 浙江大学 | Tail end rainwater purifying well for separate system rainwater drainage system |
-
2015
- 2015-07-07 CN CN201510401302.4A patent/CN105040804B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3323399A (en) * | 1998-04-20 | 1999-11-08 | Ecosol Pty Ltd | Rapid storm water filtration |
| CN201286292Y (en) * | 2008-10-30 | 2009-08-12 | 吉林大学 | Water treatment device of aquariums |
| CN201372242Y (en) * | 2008-11-07 | 2009-12-30 | 杜恒峰 | Waste disposal plant for catering |
| CN201485363U (en) * | 2009-08-14 | 2010-05-26 | 杜恒峰 | Sewage treatment device for restaurants |
| CN103334485A (en) * | 2013-07-05 | 2013-10-02 | 浙江大学 | Suspended matter separating well for separate system rainwater drainage system |
| CN103334484A (en) * | 2013-07-05 | 2013-10-02 | 浙江大学 | Tail end rainwater purifying well for separate system rainwater drainage system |
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| Publication number | Publication date |
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| CN105040804A (en) | 2015-11-11 |
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