CN105386514B - Rainwater particulate filter arrangement - Google Patents

Rainwater particulate filter arrangement Download PDF

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Publication number
CN105386514B
CN105386514B CN201510887353.2A CN201510887353A CN105386514B CN 105386514 B CN105386514 B CN 105386514B CN 201510887353 A CN201510887353 A CN 201510887353A CN 105386514 B CN105386514 B CN 105386514B
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China
Prior art keywords
well
barricade
overflow
rainwater
porous disc
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CN201510887353.2A
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CN105386514A (en
Inventor
李习洪
周超
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WUHAN MEIHUA YUSHUI ENVIRONMENT CO., LTD.
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Wuhan Meihua Yushui Environment Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates

Abstract

The invention discloses a kind of rainwater particulate filter arrangement, water inlet pipe and outlet pipe including well body and well body front and back end, it is characterized in that, also include the barricade in well body and the scum silica frost barricade after barricade, the barricade from well body bottom up extend to upper end flush in or less than with water inlet pipe lower surface, the scum silica frost barricade extends to lower end less than barricade upper end from well body top down, when the water outlet pipe part at the scum silica frost barricade rear is provided with low discharge by when dmp filter, big flow by the water permeable device of stormwater overflow.The present invention is handled the floating object and particulate matter in rainwater by way of gravitational settling and porous disc infiltration intercept combination, simply efficiently.

Description

Rainwater particulate filter arrangement
Technical field
The present invention relates to rainwater preconditioning technique field, in particular to a kind of rainwater particulate filter arrangement.
Background technology
With the fast development of urbanization, the non-point pollution as caused by rainfall runoff is increasingly becoming urban water-body pollutant Important sources.Pollutant in city rainfall runoff is mainly derived from wet deposition and city caused by precipitation elution atmosphere pollution The leaching of city's impermeable surface pollutant washes away, and the latter accounts for more than the 90% of rainwater runoff pollution thing total amount.Particulate matter is city The main carriers of city's impermeable surface pollutant, such as:Atmospheric sedimentation, vehicle exhaust, tire wear, Snow Agent, construction site On the particulate matter such as deposit, solid refuse and percolate contain a large amount of pollutants (COD, nutrients, organic matter, heavy metal, Pathogen etc.), finally it will all be migrated under rainwater elution, souring into receiving water body, and its ecological environment is produced tight Endanger again.
Particulate matter in rainfall runoff also results in the rise of receiving water body turbidity, it is generally recognized that particulate matter is composing environment water The potential component of body water quality deterioration.In addition, particulate matter enters meeting after urban drainage pipeline system under rainfall runoff souring Deposition is produced in pipeline, pipeline sediment pollution and effectiveness factors are formed.
Therefore, rainwater drops to ground and forms runoff, can be containing particle and floating objects such as substantial amounts of silts, if not to rainwater In particulate matter and suspension carry out intercept process be just exhausted directly to natural water, natural water will be polluted, at present To the disposal options of the most use strainer filtering of rainwater, rainwater is subjected to simple filtering and pre-processed, but this strainer filtering The problem of mode can bring a lot:As filter screen is only capable of filtering coarse granule and floating object, smaller is acted on to fine grained;Use for a long time Filter screen can be blocked afterwards, hinder the discharge of rainwater to cause the waterlogging in city, and the pollutant of accumulation preservation can discharge into city again Water body, the water environment to city constitutes a serious threat.
The content of the invention
Present invention aim to solve above-mentioned background technology it is not enough there is provided it is a kind of can be by the silt in rainwater and drift The rainwater particulate filter arrangement that float is handled, and can guarantee that rainwater is discharged under big flow rainwater, it is to avoid cause waterlogging.
The technical scheme is that:A kind of rainwater particulate filter arrangement, includes the water inlet pipe of well body and well body front and back end And outlet pipe, it is characterised in that also including the scum silica frost barricade after the barricade and barricade in well body, the barricade from well body bottom to On extend to upper end and flush in or less than water inlet pipe lower surface, the scum silica frost barricade extends to lower end from well body top down and is less than Barricade upper end, when the water outlet pipe part at the scum silica frost barricade rear is provided with low discharge by when dmp filter, big flow by stormwater overflow Water permeable device.
It is preferred that, institute's water permeable device includes overflow wall and the porous disc at overflow wall rear, and the overflow wall is vacantly arranged at Between well body top and bottom, the porous disc surrounding fits to form the overflow area of upper opening with overflow wall and well body, described Porous disc upper surface is less than or flushed in outlet pipe lower surface.
It is preferred that, the overflow wall upper end is flushed in or higher than water inlet pipe upper surface.
Further, the well body both lateral sides are provided with porous disc supporting plate, and the porous disc is located at porous disc supporting plate On.
Further, overflow wall lower end is flushed in or higher than porous disc supporting plate lower surface.
It is preferred that, the barricade, scum silica frost barricade and overflow wall laterally set along well body and are connected with well body both lateral sides.
It is preferred that, multiple openable well lids are provided with the top of the well body.
It is preferred that, the well lid is three, is separately positioned between barricade front, scum silica frost barricade and water permeable device and saturating Above water installations.
Beneficial effects of the present invention are:
1. the floating object in rainwater and particulate matter are carried out by way of gravitational settling and porous disc infiltration intercept combination Processing;Enter the pretreatment before the pretreatment before the main pipe of city or storm sewer are discharged to natural water suitable for rainwater.
2. rainwater removes most of particle and floating object through barricade and scum silica frost barricade during low discharge, then is oozed from porous disc bottom Go out thoroughly, the particle in rainwater is gathered in well body bottom in the presence of gravitational settling.
3. rainwater flow to overflow area after scum silica frost barricade from overflow wall during big flow, from outlet pipe discharge, remain to effectively block Floating object is cut, while the safety of rainfall flood passage can be ensured, it is to avoid cause waterlogging.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention
Fig. 2 is A-A sectional views in Fig. 1
Wherein:1. the overflow area 9. of 7. porous disc of well body 2. water inlet pipe, 3. outlet pipe, 4. barricade, 5. scum silica frost barricade, 6. overflow wall 8. The well lid of porous disc supporting plate 10..
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1-2, the present invention is located at the water inlet pipe 2 and outlet pipe 3 of the front and back end of well body 1 including well body 1 and respectively, also Scum silica frost barricade 5 including the barricade 4 in well body 1 and the rear of barricade 4, barricade 4 extends to upper end from the bottom up of well body 1 and flushed in Or less than with the lower surface of water inlet pipe 2, scum silica frost barricade 5 extends to lower end less than the upper end of barricade 4 from the top down of well body 1, barricade 4, Scum silica frost barricade 5 laterally sets along well body 1 and is connected with the both lateral sides of well body 1.It is provided with the outlet pipe 3 at the rear of scum silica frost barricade 5 During low discharge by when dmp filter, big flow by the water permeable device of stormwater overflow.Front and back end is left and right end in Fig. 2 in the present invention, Both lateral sides are upper and lower sides in Fig. 2.
The usual height of outlet pipe 3 is high to be less than or flushing in water inlet pipe 2 and outlet pipe 3 in the height of water inlet pipe 2, the present embodiment Degree is identical, and barricade 4 extends to upper end from the bottom up of well body 1 and flushes in the lower surface of water inlet pipe 2, is set above under water inlet pipe 2 Rainwater can be caused to enter in the space that barricade 4 is formed with its front well body during surface, liquid level rises above the lower surface of water inlet pipe 2 When be directly opposite outflow from water inlet pipe 2;Scum silica frost barricade 5 extends to lower end less than the upper end of barricade 4, scum silica frost from the top down of well body 1 Sufficient space is still left with the bottom of well body 1 and is passed through for big flow rainwater in the lower end of barricade 5.
Water permeable device includes overflow wall 6 and the porous disc 7 at overflow wall rear, and overflow wall 6 is vacantly located at the top of well body 1 and bottom Between portion, overflow wall 6 laterally sets along well body 1 and is connected with the both lateral sides of well body 1, and porous disc 7 is the level that water-permeable brick is combined into Direction integral slab, the surrounding of porous disc 7 fits to form the overflow area 8 of upper opening with overflow wall 6 and the both lateral sides of well body 1, rear end, The upper surface of porous disc 7 is less than or flushed in the upper surface of porous disc 7 in the lower surface of outlet pipe 3, the present embodiment and flushes under outlet pipe 3 Surface, the mouth of pipe of outlet pipe 3 is connected at the rear of overflow area 8 with overflow area 8.The upper end of overflow wall 6 is flushed in or higher than the upper table of water inlet pipe 2 The upper end of overflow wall 6 is higher than the upper surface of water inlet pipe 2 in face, the present embodiment, but still retains sufficient space for big stream between the top of well body 1 Amount rainwater passes through.
The both lateral sides of well body 1 are provided with the porous disc supporting plate 9 of horizontal direction, and porous disc 7 is located in porous disc supporting plate 9. The lower end of overflow wall 6 is flushed in or higher than the lower surface of porous disc supporting plate 9, and the lower end of overflow wall 6 flushes in porous disc in the present embodiment The lower surface of supporting plate 9.The top of well body 1 is not limited to 3 provided with 3 openable well lids 10, be separately positioned on the front of barricade 4, The top of between scum silica frost barricade 5 and overflow wall 6 and overflow area 8, is easy to the cleaning of well body bottom sludge, floating object and water-permeable brick.
The present invention operation principle be:
Rainfall initial stage, rainfall is smaller, and rainwater enters storm sewer by surface runoff, then enters well by water inlet pipe 2 In body 1, rainwater is introduced into the space that barricade 4 is enclosed with its front well body 1, and rainwater endoparticle is blocked in hair by barricade 4 Raw gravitational settling, gets rid of 50-60% particle, and rainwater is overflowed across to be gone out above barricade from the bottom overflow of scum silica frost barricade 5, due to floating Slag barricade 5 extends to lower end from the top down of well body 1 and is intercepted at before scum silica frost barricade 5 less than the upper end of barricade 4, therefore floating object Face.Rainwater is permeated by pressure from the bottom up of porous disc 7, so as to flow out outlet pipe 3, is made while the filtering particle of porous disc 7 It is gathered in well body bottom in the presence of gravitational settling.
When rainfall intensity change is big, due to the limited flow that porous disc 7 is discharged, the water level inside device will rise, rain Water goes out under the obstruction of scum silica frost barricade 5 from the bottom overflow of scum silica frost barricade 5, and floating object has been blocked in before scum silica frost barricade 5, When water level is higher than 6 top of overflow wall, rainwater just goes out to reach in overflow area 8 from the overflow of overflow wall 6, is directly arranged from outlet pipe 3 Go out.
Apparatus of the present invention need periodic maintenance, when needing to safeguard, can open well lid 10, it is possible to well body bottom Deposition, floating object and water-permeable brick carry out cleaning maintenance.

Claims (6)

1. a kind of rainwater particulate filter arrangement, includes the water inlet pipe (2) and outlet pipe (3) of well body (1) and well body front and back end, it is special Levy and be, in addition to barricade (4) and the scum silica frost barricade (5) at barricade rear in well body (1), the barricade (4) is from well body (1) bottom Portion extends upwardly to upper end and flushed in or less than water inlet pipe (2) lower surface, and the scum silica frost barricade (5) is from well body (1) top down Lower end is extended to less than barricade (4) upper end, by rainwater when outlet pipe (3) place at scum silica frost barricade (5) rear is provided with low discharge By the water permeable device of stormwater overflow when filtering, big flow;
Institute's water permeable device includes overflow wall (6) and the porous disc (7) at overflow wall rear, and the overflow wall (6) is vacantly arranged at well Between body (1) top and bottom, porous disc (7) surrounding is fitted and connected to form upper opening with overflow wall (6) and well body (1) Overflow area (8), porous disc (7) upper surface is less than or flushed in outlet pipe (3) lower surface;Porous disc (7) is water-permeable brick The horizontal direction integral slab being combined into;Well body (1) both lateral sides are provided with porous disc supporting plate (9), and the porous disc (7) is located at In porous disc supporting plate (9).
2. rainwater particulate filter arrangement as claimed in claim 1, it is characterised in that overflow wall (6) upper end flush in or Higher than water inlet pipe (2) upper surface.
3. rainwater particulate filter arrangement as claimed in claim 1, it is characterised in that overflow wall (6) lower end flushes in or is higher than Porous disc supporting plate (9) lower surface.
4. rainwater particulate filter arrangement as claimed in claim 1, it is characterised in that the barricade (4), scum silica frost barricade (5) and Overflow wall (6) laterally sets along well body (1) and is connected with well body (1) both lateral sides.
5. rainwater particulate filter arrangement as claimed in claim 1, it is characterised in that at the top of the well body (1) provided with it is multiple can The well lid (10) of unlatching.
6. rainwater particulate filter arrangement as claimed in claim 5, it is characterised in that the well lid (10) is three, is set respectively Put in barricade (4) front, scum silica frost barricade (5) between water permeable device and above water permeable device.
CN201510887353.2A 2015-12-03 2015-12-03 Rainwater particulate filter arrangement Active CN105386514B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510887353.2A CN105386514B (en) 2015-12-03 2015-12-03 Rainwater particulate filter arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510887353.2A CN105386514B (en) 2015-12-03 2015-12-03 Rainwater particulate filter arrangement

Publications (2)

Publication Number Publication Date
CN105386514A CN105386514A (en) 2016-03-09
CN105386514B true CN105386514B (en) 2017-09-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510887353.2A Active CN105386514B (en) 2015-12-03 2015-12-03 Rainwater particulate filter arrangement

Country Status (1)

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CN (1) CN105386514B (en)

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Publication number Publication date
CN105386514A (en) 2016-03-09

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Effective date of registration: 20160420

Address after: 430057 No. 189, North Road, Wuhan economic and Technological Development Zone, Hubei

Applicant after: WUHAN MEIHUA YUSHUI ENVIRONMENT CO., LTD.

Address before: 430056 Hubei city of Wuhan province Wuhan economic and Technological Development Zone Science and Technology Industrial Park Yang Dun

Applicant before: WUHAN SHENGYU DRAINAGE SYSTEMS CO., LTD.

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