CN102322098B - Rainwater inlet device - Google Patents
Rainwater inlet device Download PDFInfo
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- CN102322098B CN102322098B CN 201110167774 CN201110167774A CN102322098B CN 102322098 B CN102322098 B CN 102322098B CN 201110167774 CN201110167774 CN 201110167774 CN 201110167774 A CN201110167774 A CN 201110167774A CN 102322098 B CN102322098 B CN 102322098B
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- rainwater
- inlet device
- micropore
- filtration
- gutter inlet
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- Sewage (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a rainwater inlet device, which is characterized in that: the back face of a rainwater dandruff comb is connected with a membrane bag body which is made of an elastic nonporous material; the peripheral wall surface of the upper part of the elastic material membrane bag body is provided with a plurality of rows of run-through micropore cuts which are stretched to filter under the action of rainwater inflow gravity; and when the rainwater inflow gravity does not exist, the micropores are reduced to be shrunk and closed to isolate odor by means of elasticity of the micropores. The rainwater inlet device integrates precipitation, filtration and air-tight effect, simultaneously has precipitation, filtration and odor isolation functions, has the advantages of simple structure, low cost, convenience in manufacturing and mounting and easiness in maintenance, can be used for newly constructing a rainwater inlet and can also be used for reconstructing the conventional rainwater inlet.
Description
Technical field
The present invention relates to a kind of gutter inlet device, relate in particular to a kind of simple in structurely, integrate the gutter inlet device of filtration, deodorant function.
Background technology
Inlet for stom water is the entrance that the surface flow rainwater enters Storm Sewer Network.Traditional inlet for stom water, all only be that ground rainwater is directly entered storm sewer, though have at inlet for stom water rain perforaled strainer be set, rain perforaled strainer only is that interception leaf, polybag etc. are than bigger material, rainwater is not carried out mud-water separation and purify, more can't stop the interior foul smell of storm sewer excessive.Town road runoff rainwater is often polluted, studies show that, town road Initial Runoff rainwater pollution is comparatively serious, wherein the degree of contamination such as SS, organic matter is near municipal wastewater, these rainwater directly discharge water body as without any processing, and will cause municipal Storm Sewer Network following problem to occur: the pollutant that, carries in the rainwater flows into network of underground through inlet for stom water, the unprocessed water body that directly enters causes water pollution; Two, pollutant deposits in rainwater inspection well and storm sewer in a large number, has strengthened storm sewer maintenance project amount; Three, the pollutant that is deposited in the storm sewer is hydrolyzed in pipeline, gives an offensive smell and toxic gas, affects resident and pedestrian life.
Chinese patent CN201202174, CN201649282, CN201835375 inlet for stom water filter arranged pan in inlet for stom water rain grate bottom.This only is to consider to only have filtration from interception solid suspension angle, and because the processing filter bores is relatively large, filter effect is general, and can not deodorization.
Chinese patent CN201679082, CN201817906, CN201209273 rainwater well stinking-proof device utilize ponding gravity and lever principle sealing anti-foul door or baffle plate, prevent that gas is excessive in the storm sewer.Chinese patent CN101538892A device for intercepting and deodorizing waste at road gully adopts the be filled with water water seal of curved formula deodorization or self-balancing reprint water seal, foul smell is enclosed in storm-water inlet indoor, reaches to prevent that foul smell is excessive.
Chinese patent CN201031438Y catch-basin Antipollution sealing bag adopts water-tight and air-tight film plastic pocket to form the magnetic sealing and closes outlet, satisfies rainwater and normally discharges, and can prevent behind the rain that gas is excessive.
Above-mentioned patent is only single from dmp filter or deodorization angle are proposed solution, can not complete solution inlet for stom water exist simultaneously needs solution to the surface flow dmp filter and prevent that the catch-basin foul smell is excessive, and problem simple in structure, that practicality is easy to promote.
Chinese patent CN201778383U integrative environmentally-friendly gutter inlet, rain perforaled strainer below forms by deodorization dividing plate, bottom sand deposition hopper, gutter, wall wall and the base plate that lower edge highly is lower than end height in the gutter pipe is set on dirt basket, the gutter one sidewall wall.Interception is than bigger material in advance to utilize the dirt basket, and filtering head carries out unpowered on-line filtration to rainwater, and by sand deposition hopper precipitation silt particle, recycling deodorization dividing plate and sand deposition hopper ponding form the deodorization water seal, prevent that foul smell is excessive from rain perforaled strainer in the pipeline.Although this treating apparatus can realize simultaneously to dmp filter, sand setting and deodorization, this structure inlet for stom water takes up room greatly, and needs finish together when newly-built storm sewer, is unfavorable for the transformation of existing inlet for stom water; And complex structure is unfavorable for repair and maintenance, applies difficulty.
Chinese patent CN101538892 device for intercepting and deodorizing waste at road gully, at the indoor grid type framework solid waste blocking apparatus that arranges of storm-water inlet, solid waste blocking apparatus below arranges the be filled with water water seal of curved formula deodorization or the water seal of self-balancing turnover panel.It only is that not only grid type framework aperture is larger with filtering grid and the simple combination of water-sealing stinking-proof, and filtering accuracy is poor, still has more silt particle access gully, and complex structure, and maintenance is large, and is not suitable for equally the transformation of existing inlet for stom water.
Above-mentioned publication is simple in structure, and function singleness can satisfy the complex structure that runoff is entered dmp filter and deodorization simultaneously, structure are made height, and can only be for newly-built, and not only filtering accuracy is not high, and be difficult to the simple transformation that is used for existing inlet for stom water, thereby be difficult to penetration and promotion.
Above-mentioned deficiency still has is worth improved place.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provides a kind of simple in structure, integrates filtration, deodorant function, is fit to gutter inlet device newly-built and the reconstruction inlet for stom water.
The object of the invention realizes, the main improvement is to utilize rain perforaled strainer to do coarse filtration, be connected with the film bag that elastomeric material is made at its back side, elastic material membrane bag top peripheral wall surfaces has the perforation micropore, micropore opens and plays filtration under inflow rainwater Action of Gravity Field, and rain stops flowing into gravity without rainwater and reduces micropore according to the closed sealing gland that forms of elastic shrinkage, prevents that foul smell is excessive in the catch-basin, thereby overcome the deficiencies in the prior art, realize the object of the invention.Specifically, gutter inlet device of the present invention, comprise rain perforaled strainer, it is characterized in that the rain perforaled strainer back side is connected with the film bag that the elastic non-porous material is made, said elastic material membrane bag top peripheral wall surfaces has some rows and connects the micropore otch, under rainwater inflow Action of Gravity Field, open filtration, flow into gravity without rainwater and reduce micropore according to the closed trapping of self elastic shrinkage.
Gutter inlet device of the present invention, filter, the deodorization operating principle: the surface flow rainwater is through rain perforaled strainer, in the runoff rainwater than bigger material such as leaf, plastics etc. are blocked, the coarse filtration rainwater flows into the elastic material membrane bag, the memory action of bag has the precipitation function, make in the rainwater heavy impurity such as the larger silt particle of some proportions be deposited in the filtration membrane bag bottom, along with the gradually increase of collecting rainwater, water weight increases in the film bag, the rainwater deadweight stretches the distortion of elastic membrane bag, cause the upper cut-out perforate to open, water level is higher than filter bores, and rainwater is filtered, and the pollutant that does not precipitate in the water greater than filter bores is intercepted in the bag, enter For Stormwater Drainage System through the rainwater that filters, thereby reach the simple precipitation to rainwater, filtration, purification.Rain stops that the water yield does not increase in the film bag, and the elastic membrane bag is according to elastic recovery, so that the filtering micropore closure is opened on top, reaches the trapping effect, and foul smell in catch-basin and the pipeline is intercepted in inlet for stom water, prevents the excessive effect of foul smell thereby play the isolation foul smell.Regularly or irregularly dig rain perforaled strainer depending on rainfall, will be deposited in that silt particle shifts out in the film bag, make filtration membrane bag obtain emptying regeneration.
Among the present invention.
Rain perforaled strainer back side junctional membrane bag is because rain perforaled strainer can be dug, so its connection can be to be fixedly connected with, wherein a kind of more preferably assembling connects, for example on rain perforaled strainer north draw-in groove is set, the film bag inserts in the draw-in groove, is conducive to maintenance, the replacing of filtration membrane bag.
Film bag top peripheral wall surfaces connects micropore, a kind of cross sections that preferably adopts, and more preferably horizontal angular cut structure, these two kinds of opening types more are conducive to improve closed trapping performance.Connect micropore perforate aperture, a kind of stinging is to adopt to set by ascending order levels from low to high to put, for example otch is the 1-4mm gradient configuration, because precipitate and separate effect, the top rainwater cleanliness factor that rises will be higher than lower rain, so the top filter bores can be suitably larger, and the top macropore also is conducive to the filtration of large amount of rainfall.
Connect filtering micropore at film bag top position of opening, decide on film bag material elasticity, principle is when being filled with water when a certain amount of, and its gravity must make micropore can open the formation filtering function, and this equilbrium position is filtration perforate extreme lower position.Connect micropore in film bag top the number of openings, especially the perforate height is decided on local inlet for stom water inflow, and principle is after the perforation micropore is all opened, and film bag filtration ability is not less than the maximum inflow-rate of water turbine of design of gully.
Said micropore is closed according to elastic recovery, is a kind of image explanation, is not one to be decided to be very complete closed, and especially angular cut also has preferably trapping effect even have slightly to open.
Said elastomeric material, so long as can stretch under heavy (drawing) power effect, the pore-free material that the external force disappearance can be replied all can be used, and for example can be rubber, silica gel and elastoplast; Also can be synthetic rubber, such as butadiene-styrene rubber, isoprene rubber, nitrile rubber, EP rubbers etc.; Can also be artificial elastomeric material, gluing woven cloth for example.
Gutter inlet device of the present invention, with respect to prior art, make bag owing to connecting the elastic non-porous material in the rain perforaled strainer back side (below), and have in the top peripheral wall surfaces and to connect the micropore otch, under rainwater inflow weightening finish, the otch micropore is opened and form filtration, rain stops continuing to flow into the otch micropore without rainwater and recovers closed according to elasticity, stop foul smell excessive, thereby precipitation and effective filtration, purification to entering rainwater have been played, improved and entered storm sewer rainwater cleanliness factor, avoided polluted-water and increase pipeline maintenance work amount; Utilize on the other hand film bag elastic shrinkage, make and open the micropore closure and prevent that foul smell is excessive in the storm sewer, play the choke effect.Gutter inlet device of the present invention, not only integrate precipitation, filtration, trapping, have simultaneously precipitation, filtration, every the foul smell function, and simple in structure, with low cost, fabrication and installation are convenient, safeguard simple, both can be used for newly-built inlet for stom water, also can be used for existing inlet for stom water transformation, had widely promotion and application prospect.
Below in conjunction with an exemplary embodiment; essence of the present invention is further understood in exemplary illustration and help; but the embodiment detail only is for the present invention is described; do not represent the present invention and conceive lower whole technical scheme; therefore should not be construed as the total technical scheme of the present invention is limited; some are In the view of the technician; the unsubstantiality that does not depart from the present invention's design increases and/or change; for example simple the change or replacement of technical characterictic to have same or similar technique effect all belongs to protection domain of the present invention.
Description of drawings
Fig. 1 is gutter inlet device structural representation of the present invention.
Fig. 2 is Fig. 1 I section structure for amplifying (filtration condition) schematic diagram.
Fig. 3 is Fig. 1 I section structure for amplifying (the non-filtration condition of trapping) schematic diagram.
The specific embodiment
Embodiment: referring to accompanying drawing, gutter inlet device of the present invention comprises the uncovered non-porous film bag 1 that is long tubular, and film bag 1 uncovered shape and rain perforaled strainer 2 shapes adapt, around the upper end outer rim of stretching out 3 is arranged, film bag 1 can be placed be assembling on the angle steel of rain perforaled strainer 2 interior reservations to connect.1 end of film bag and bottom 5 are sealed, the die-cut horizontal angular cut 4 that has thickness to connect of top week sidewall, the otch aperture is from low to high by ascending, press 1-4mm order grating, after bag gathers certain rainwater, its weight is filtration condition so that otch opens, and rain stops rear closed according to elastic shrinkage without rainwater continuation injection otch 4, plays the trapping effect.Described uncovered non-porous film bag is by elastomeric material, and for example rubber, silica gel, elastoplast or gluing woven cloth are made.
The course of work: surface rain enters filter membrane bag 1 through rain perforaled strainer 2, collection is tackled in being filtered by rain perforaled strainer 2 than bigger material such as leaf etc. in the rainwater, after the coarse filtration rainwater enters the filter membrane bag, the heavy impurities such as silt particle that some proportions are larger in the water are precipitated separation, gradually increase along with rainwater, water level exceeds and descends row's treatment hole 4 most, the rainwater deadweight makes the deformation of elasticity filtration membrane bag, make filter membrane treatment hole 4 open-shaped attitudes, pollutant greater than the filter bores width in the rainwater is stopped in filter membrane bag 1, enter inlet for stom water through the rainwater that filters and enter For Stormwater Drainage System, thereby reach rainwater is precipitated, filtration, purification.Rain stops flowing into without rainwater, elasticity filter membrane convergent force is greater than rainwater gravity, filter membrane dependence self elastic shrinkage makes treatment hole 4 sealings of opening, and the gas barrier that filter bag is outer prevents that foul smell is excessive filtration membrane bag external (being enclosed in the inlet for stom water) thereby reach.After the rain periodic cleaning of pollutant in the filter membrane bag.
To those skilled in the art; under this patent design and specific embodiment enlightenment; some distortion that can directly derive or associate from this patent disclosure and general knowledge; those of ordinary skills will recognize also can adopt additive method; or the substituting of known technology commonly used in the prior art; and the equivalence of feature changes or modification; mutual various combination between feature; for example the filtration membrane bag shape changes; the perforate pattern is adjusted, the change of elastomeric material, etc. unsubstantiality change; can be employed equally; can both realize this patent representation function and effect, launch for example no longer one by one to describe in detail, all belong to this patent protection domain.
Claims (6)
1. gutter inlet device, comprise rain perforaled strainer, it is characterized in that the rain perforaled strainer back side is connected with the film bag that the elastic non-porous material is made, said elastic material membrane bag top peripheral wall surfaces has some rows and connects the micropore otch, under rainwater inflow Action of Gravity Field, open filtration, flow into gravity without rainwater and reduce micropore according to the closed trapping of self elastic shrinkage.
2. described gutter inlet device according to claim 1 is characterized in that film bag and rain perforaled strainer are that assembling is connected.
3. described gutter inlet device according to claim 1 is characterized in that it is cross sections that film bag top peripheral wall surfaces connects the micropore otch.
4. described gutter inlet device according to claim 3 is characterized in that cross sections is angular cut.
5. according to claim 1 or 3 described gutter inlet devices, it is characterized in that the otch aperture is from low to high by ascending order grating.
6. described gutter inlet device according to claim 5 is characterized in that otch is the 1-4mm gradient configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110167774 CN102322098B (en) | 2011-06-21 | 2011-06-21 | Rainwater inlet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110167774 CN102322098B (en) | 2011-06-21 | 2011-06-21 | Rainwater inlet device |
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| Publication Number | Publication Date |
|---|---|
| CN102322098A CN102322098A (en) | 2012-01-18 |
| CN102322098B true CN102322098B (en) | 2013-09-18 |
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| CN 201110167774 Active CN102322098B (en) | 2011-06-21 | 2011-06-21 | Rainwater inlet device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110063A (en) * | 2014-06-30 | 2014-10-22 | 武汉圣禹排水系统有限公司 | Rainwater opening with water filtering bag |
| CN109972722B (en) * | 2019-03-22 | 2023-12-22 | 安徽亚井雨水利用科技有限公司 | Dirty formula environmental protection inlet for stom water cuts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201485960U (en) * | 2009-07-22 | 2010-05-26 | 深圳市天坤科技有限公司 | Urban sewer check valve and urban sewer mouth |
| CN201649274U (en) * | 2010-04-16 | 2010-11-24 | 付文生 | Self mucosa automatic closed non-odor and non plug floor drain |
| CN201649282U (en) * | 2010-03-31 | 2010-11-24 | 申军波 | Gully filter device |
| CN202208967U (en) * | 2011-06-21 | 2012-05-02 | 无锡市政设计研究院有限公司 | Gully device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08135005A (en) * | 1994-11-15 | 1996-05-28 | Fujita Corp | Drain pit |
| JP4011980B2 (en) * | 2002-06-10 | 2007-11-21 | ランデス株式会社 | Flexible joint type block |
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2011
- 2011-06-21 CN CN 201110167774 patent/CN102322098B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201485960U (en) * | 2009-07-22 | 2010-05-26 | 深圳市天坤科技有限公司 | Urban sewer check valve and urban sewer mouth |
| CN201649282U (en) * | 2010-03-31 | 2010-11-24 | 申军波 | Gully filter device |
| CN201649274U (en) * | 2010-04-16 | 2010-11-24 | 付文生 | Self mucosa automatic closed non-odor and non plug floor drain |
| CN202208967U (en) * | 2011-06-21 | 2012-05-02 | 无锡市政设计研究院有限公司 | Gully device |
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Address after: 214072 West floor, Lianchuang building, 901-2 yinxiu Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: Huaxin Design Group Co.,Ltd. Country or region after: China Address before: No. 901, Yinxiu Road, Wuxi City, Jiangsu Province, 214072 Patentee before: WUXI MUNICIPAL DESIGN INSTITUTE Co.,Ltd. Country or region before: China |
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