CN104532940A - Double-layer drainage ditch - Google Patents
Double-layer drainage ditch Download PDFInfo
- Publication number
- CN104532940A CN104532940A CN201410840065.7A CN201410840065A CN104532940A CN 104532940 A CN104532940 A CN 104532940A CN 201410840065 A CN201410840065 A CN 201410840065A CN 104532940 A CN104532940 A CN 104532940A
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- Prior art keywords
- pipe duct
- double
- sewage
- layer
- main body
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
- E03F3/043—Partitioned to allow more than one medium to flow through
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention belongs to the technical field of municipal drainage and relates to a double-layer drainage ditch, in particular to a double-layer drainage ditch based on split flowing of rainwater and sewage. The double-layer drainage ditch comprises a ditch body, a partitioning plate support is arranged in the wrist of the interior of the ditch body and is connected with an elastic partitioning plate through a connecting plate, the elastic partitioning plate partitions a channel inside the ditch body into an upper layer and a lower layer, the upper layer is a rainwater channel, and the lower layer is a sewage channel. A closure hole is formed in the partitioning plate, a closure limiting valve is arranged under the closure hole, and when the amount of sewage on the lower layer is large and cause rise of a sewage surface, a float valve is raised under the action of the buoyancy of the sewage to block the closure hole. A cover plate is arranged at an opening in the upper end of the ditch body, the opening of the ditch body is covered with the cover plate, and a plurality of drainage openings are evenly formed in the cover plate. According to the double-layer drainage ditch, the rainwater channel and the sewage channel can be laid at the same time, initial rainwater can be stopped, and the use purposes of a small size, a variable volume, a small buried depth, a small occupied space, less investment, and convenient overhaul and maintenance can be achieved.
Description
Technical field
The present invention relates to a kind of double-layer drainage pipe duct, the double-layer drainage pipe duct of a kind of rain dirt shunting specifically, belongs to municipal drainage technical field.
Background technology
At present, domestic run-off system mainly contains combined system and segregation system two kinds.Combined system is that segregation system is the drainage pattern collecting, carry sewage and rainwater by different pipe duct system respectively at the drainage pattern of same pipe duct systematic collection, conveying sewage and rainwater.Due to combined flow system exist water yield fluctuation to Sewage Plant influence on system operation, rainy season pollution load of overflow and the problems such as the foul smell that deposits dry season is excessive, therefore code requirement is except arid area, and newly-built drainage system should adopt segregation system and should implement rain dirt shunting transformation to existing combined drainage system.
But, also there are crucial restraining factors: system adopts the dirty two sleeve pipe canal system systems of rain at segregation system, and according to construction and maintenance requirement, two cover systems have certain pitch requirements in plane and vertical face, this just causes separated drainage system to need to take a large amount of municipal underground spaces, lane, street, source transformation difficulty, and system buried depth increases greatly, thus the cost of separate flow system is caused to roll up or effect discount.
Chinese patent CN200910104452 is used for the drainage system of cities and towns and community, and the double-deck manhole based on band retention functions is main body, is made up of double-layer drainage pipe duct, spring controlled structure and the manhole that is provided with intermediate active cover plate of damming.This removable cover is access path, for lower floor escape canal maintenance requirement need arrange manhole and the scale of construction is comparatively large in a large number, need arrange weir of damming affect storm-water system conveyance capacity and manhole inner spring component is easily caused by foreign material windings such as the branch in rainwater, fibers inefficacy of damming.
The upper and lower split-flow, vertical drainage pipe of Chinese patent CN200920106449 rain, sewage, is made up of upper and lower two-layer drainage pipe, the double-layer drainage manhole that arranges dodge gate.This upper and lower two-layer drainage pipe is independent setting, and buried depth is dark and the backfill of duct bottom groove construction requires high, and manhole need arrange in a large number and the scale of construction is larger.
Above-mentioned publication otherwise need arrange that manhole, the scale of construction are comparatively large in a large number, maintenance difficulty and cut-off equipment affect conveyance capacity and easily lost efficacy; Buried depth is dark, construction backfill requires high, and function singleness, the effect of the early-stage rainwater that can not realize damming.And sewer is all airtight pipeline or double-deck channel, repair and maintenance difficulty; Because inflow-rate of water turbine, ventilation and maintenance require that pipe duct size is large.Another tracking road spatial placement is separately needed to collect the inlet for stom water of rainwater on road surface in addition, storm-water system complex structure, overhaul management inconvenience, system buried depth is darker requires corresponding raising to construction working face, so just require that town road needs enough width to implement, be also therefore limited in the segregation system transformation in the region of the width of roadway deficiencies such as the lane, street of drainage system upstream.Above-mentioned deficiency still has the place being worth improving.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, thus a kind of double-layer drainage pipe duct is provided, rain sewage pipe duct coordination can be laid and realizes the early-stage rainwater that dams, reach that the scale of construction is little, variable capacity, buried depth are shallow, it is little to take up room, application target that reduced investment, easy access are safeguarded.
According to technical scheme provided by the invention, double-layer drainage pipe duct comprises pipe duct main body, in pipe duct main body, waist is provided with membrane support, membrane support connects elastic baffle by connector, it is characterized in that: pipe duct main body internal channel is divided into two-layer up and down by elastic baffle, upper strata is rain water channel, and lower floor is sewage routeway; Elastic baffle is provided with cutoff hole, is provided with the limiting valve that dams immediately below cutoff hole, and when lower floor's sewage quantity causes oilysewage surface to rise greatly, float valve is taken up by the buoyancy of sewage and blocks cutoff hole; Pipe duct main body upper end open place is provided with cover plate, and the opening of pipe duct main body covers by cover plate, and cover plate is evenly provided with multiple spilled water hole.
Further, pipe duct main body adopts rectangle, avette or shape of a hoof shape of cross section.
Further, connector adopts bolt or clip.
Further, elastic baffle can adopt rubber, silica gel or elastoplast elastomeric material to make.
Further, the limiting valve that dams adopts float valve.
Further, the shape of cutoff hole can be circular, oval or rectangle.
Compared with the prior art the present invention has the following advantages:
Structure of the present invention is simple, compact, reasonable, rain sewage pipe duct coordination can be laid and realizes the early-stage rainwater that dams, and reaches that the scale of construction is little, variable capacity, buried depth are shallow, it is little to take up room, application target that reduced investment, easy access are safeguarded.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is the present invention's structure chart in a situation of use.
Description of reference numerals: 1-pipe duct main body, 2-membrane support, 3-elastic baffle, 4-sewage routeway, 5-rain water channel, 6-cover plate, 7-dam limiting valve, 8-cutoff hole, 9-spilled water hole.
Detailed description of the invention
Embodiment in is by reference to the accompanying drawings further described by the present invention below:
As shown in Figure 1 and 2, the present invention mainly comprises pipe duct main body 1, and in pipe duct main body 1, waist is provided with membrane support 2, membrane support 2 connects elastic baffle 3 by connector, pipe duct main body 1 internal channel is divided into two-layer up and down by elastic baffle 3, and upper strata is rain water channel 5, for arranging rainwater; Lower floor is sewage routeway 4, for sewer.
Described pipe duct main body 1 adopts rectangle, avette or shape of a hoof shape of cross section, and it can adopt steel concrete, high density polyethylene (HDPE) or resin concrete material to make.
Described connector adopts bolt or clip, and connector facilitates the installation and removal of elastic baffle, is conducive to the maintenance to elastic baffle 3, replacing, and safeguards the desilting of lower floor's sewage routeway.
Described elastic baffle 3 can adopt rubber, silica gel or elastoplast elastomeric material to make.
Elastic baffle 3 is provided with cutoff hole 8, is provided with the limiting valve 7 that dams immediately below cutoff hole 8.The limiting valve 7 that dams adopts float valve, and when lower floor's sewage quantity causes oilysewage surface to rise greatly, float valve is taken up by the buoyancy of sewage and blocks cutoff hole 8, prevents sewage from entering in upper strata rain water channel 5.
The shape of described cutoff hole 8 can be circular, oval or rectangle, and the early-stage rainwater amount that perforate spacing and size are dammed as required is determined.
Pipe duct main body 1 upper end open place is provided with cover plate 6, and the opening of pipe duct main body 1 covers by cover plate 6.Described cover plate 6 is evenly provided with multiple spilled water hole 9, and rainwater is flowed in pipe duct main body 1 by spilled water hole 9.
Operating principle of the present invention is: pipe duct body portion is divided into bilevel sewage routeway and rain water channel by elastic baffle.Sewage is got rid of by lower floor's sewage routeway, and rainwater is got rid of by upper strata rain water channel.Cover plate above pipe duct main body arranges spilled water hole, and when raining, rainwater enters rain water channel through spilled water hole, and a small amount of with serious pollution early-stage rainwater enters sewage routeway by the cutoff hole on the elastic baffle bottom rain water channel.Along with the continuation of rainfall, the rainwater entering rain water channel increases, the rainwater that retains entering lower floor's sewage routeway increases, lower floor's sewage routeway water surface curve rises, the limiting valve that dams be arranged on below elastic baffle rises and blocks cutoff hole under the effect of buoyancy, stopping is dammed, rain water channel and sewage routeway completely isolated, form two covers separately independently separated drainage system.Along with rainfall constantly increases, the amount of rainfall entering rain water channel increases gradually, and elastic baffle is sagging gradually under ever-increasing rainwater Action of Gravity Field, thus constantly increases rain water channel flow section, strengthens rain water channel conveyance capacity, can get rid of rainwater on road surface fast.Rainfall terminates rear elastic baffle and resets, System recover.When needing maintenance, open cover plate and elastic baffle, desilting maintenance can be carried out to levels rain water channel and sewage routeway.
Claims (6)
1. a double-layer drainage pipe duct, comprise pipe duct main body (1), pipe duct main body (1) interior waist is provided with membrane support (2), membrane support (2) connects elastic baffle (3) by connector, it is characterized in that: pipe duct main body (1) internal channel is divided into two-layer up and down by elastic baffle (3), upper strata is rain water channel (5), and lower floor is sewage routeway (4); Elastic baffle (3) is provided with cutoff hole (8), is provided with the limiting valve that dams (7) immediately below cutoff hole (8), and when lower floor's sewage quantity causes oilysewage surface to rise greatly, float valve is taken up by the buoyancy of sewage and blocks cutoff hole (8); Pipe duct main body (1) upper end open place is provided with cover plate (6), and the opening of pipe duct main body (1) covers by cover plate (6), cover plate (6) is evenly provided with multiple spilled water hole (9).
2. double-layer drainage pipe duct as claimed in claim 1, is characterized in that: described pipe duct main body (1) adopts rectangle, avette or shape of a hoof shape of cross section.
3. double-layer drainage pipe duct as claimed in claim 1, is characterized in that: described connector adopts bolt or clip.
4. double-layer drainage pipe duct as claimed in claim 1, is characterized in that: described elastic baffle (3) can adopt rubber, silica gel or elastoplast elastomeric material to make.
5. double-layer drainage pipe duct as claimed in claim 1, is characterized in that: described in the limiting valve (7) that dams adopt float valve.
6. double-layer drainage pipe duct as claimed in claim 1, is characterized in that: the shape of described cutoff hole (8) can be circular, oval or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840065.7A CN104532940B (en) | 2014-12-30 | 2014-12-30 | Double-layer drainage pipe duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840065.7A CN104532940B (en) | 2014-12-30 | 2014-12-30 | Double-layer drainage pipe duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104532940A true CN104532940A (en) | 2015-04-22 |
| CN104532940B CN104532940B (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410840065.7A Active CN104532940B (en) | 2014-12-30 | 2014-12-30 | Double-layer drainage pipe duct |
Country Status (1)
| Country | Link |
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| CN (1) | CN104532940B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638513A (en) * | 2016-12-29 | 2017-05-10 | 成都人和瑞祥信息工程有限公司 | Assembled leakage-proof bottom plate of upper ditch of overlapped type ditch |
| CN107197820A (en) * | 2017-05-28 | 2017-09-26 | 邹进彬 | Steer ration method |
| CN111305347A (en) * | 2020-02-29 | 2020-06-19 | 广东君兆建设集团有限公司 | Municipal works distribution of rain and sewage system |
| CN113356334A (en) * | 2021-06-21 | 2021-09-07 | 上海市城市建设设计研究总院（集团）有限公司 | Inspection well adopting Y-shaped inner grid rain and sewage hydration pipe |
| CN114264792A (en) * | 2021-12-23 | 2022-04-01 | 中国矿业大学 | Water inrush and sand bursting water sand migration simulation test device and test method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009157107A1 (en) * | 2008-06-25 | 2009-12-30 | Oda Shuhei | Water flow branching device, water flow branching method and sewage system |
| CN201377118Y (en) * | 2009-03-25 | 2010-01-06 | 段昌和 | Vertical double-layer drainage pipeline for rainwater and sewage up-down diversion |
| CN201459901U (en) * | 2009-07-27 | 2010-05-12 | 重庆大学 | Collinear bypass type double-layer drainage pipe duct |
| CN102531282A (en) * | 2011-12-28 | 2012-07-04 | 华北水利水电学院 | Device and method for quality-based rainwater collection, treatment and utilization |
| KR101215995B1 (en) * | 2010-12-29 | 2012-12-27 | 박정규 | Drain system for rainwater and polluted water |
| CN202755441U (en) * | 2012-07-20 | 2013-02-27 | 无锡市政设计研究院有限公司 | Rainwater drainage ditch |
| CN203684376U (en) * | 2013-11-06 | 2014-07-02 | 梁育雄 | Open channel and buried culvert mixing type drainage ditch |
| CN204385855U (en) * | 2014-12-30 | 2015-06-10 | 沈晓铃 | Double-layer drainage pipe duct |
-
2014
- 2014-12-30 CN CN201410840065.7A patent/CN104532940B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009157107A1 (en) * | 2008-06-25 | 2009-12-30 | Oda Shuhei | Water flow branching device, water flow branching method and sewage system |
| CN201377118Y (en) * | 2009-03-25 | 2010-01-06 | 段昌和 | Vertical double-layer drainage pipeline for rainwater and sewage up-down diversion |
| CN201459901U (en) * | 2009-07-27 | 2010-05-12 | 重庆大学 | Collinear bypass type double-layer drainage pipe duct |
| KR101215995B1 (en) * | 2010-12-29 | 2012-12-27 | 박정규 | Drain system for rainwater and polluted water |
| CN102531282A (en) * | 2011-12-28 | 2012-07-04 | 华北水利水电学院 | Device and method for quality-based rainwater collection, treatment and utilization |
| CN202755441U (en) * | 2012-07-20 | 2013-02-27 | 无锡市政设计研究院有限公司 | Rainwater drainage ditch |
| CN203684376U (en) * | 2013-11-06 | 2014-07-02 | 梁育雄 | Open channel and buried culvert mixing type drainage ditch |
| CN204385855U (en) * | 2014-12-30 | 2015-06-10 | 沈晓铃 | Double-layer drainage pipe duct |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638513A (en) * | 2016-12-29 | 2017-05-10 | 成都人和瑞祥信息工程有限公司 | Assembled leakage-proof bottom plate of upper ditch of overlapped type ditch |
| CN107197820A (en) * | 2017-05-28 | 2017-09-26 | 邹进彬 | Steer ration method |
| CN111305347A (en) * | 2020-02-29 | 2020-06-19 | 广东君兆建设集团有限公司 | Municipal works distribution of rain and sewage system |
| CN113356334A (en) * | 2021-06-21 | 2021-09-07 | 上海市城市建设设计研究总院（集团）有限公司 | Inspection well adopting Y-shaped inner grid rain and sewage hydration pipe |
| CN114264792A (en) * | 2021-12-23 | 2022-04-01 | 中国矿业大学 | Water inrush and sand bursting water sand migration simulation test device and test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104532940B (en) | 2016-04-27 |
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