CN203821558U - Back-flowing-proof decompression well - Google Patents
Back-flowing-proof decompression well Download PDFInfo
- Publication number
- CN203821558U CN203821558U CN201420061406.6U CN201420061406U CN203821558U CN 203821558 U CN203821558 U CN 203821558U CN 201420061406 U CN201420061406 U CN 201420061406U CN 203821558 U CN203821558 U CN 203821558U
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- China
- Prior art keywords
- well
- reverse
- valve plate
- flowing
- pressure release
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000006837 decompression Effects 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000010865 sewage Substances 0.000 abstract description 12
- 238000010276 construction Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model provides a back-flowing-proof decompression well which comprises a well wall and a well cover. A back-flowing-proof water outlet is arranged in the well wall, and a back-flowing-proof water outlet is arranged at the water outlet tail end of a pressure water drainage pipe in the well wall. A shaft of the back-flowing-proof water outlet is connected with one end of a valve plate, the other end of the valve plate is sequentially connected with a valve arm and a floater, and one side of the valve plate is supported through a support baffle fixed on the well wall. The decompression well has the advantage of preventing rainwater and sewage in a municipal drainage pipeline from flowing back into underground building space through the decompression well. The back-flowing-proof decompression well can be used for decompression when sewage in an underground building project is discharged to the outdoor through mechanical lifting and can prevent rainwater and sewage in an outdoor pipeline from flowing back into the underground building through the decompression well of the kind and a water drainage house-outside pipeline. The well can prevent the rainwater and the sewage in the well from flowing back into the underground building. The well is a novel device for preventing outdoor rainwater and sewage from flowing back into the underground building project and meanwhile can ensure that the sewage in the underground building project can be discharged normally.
Description
Technical field
The utility model relates to a kind of reverse-filling pressure release well, particularly a kind of complete reverse-filling pressure release well.
Background technology
In recent years a lot of city underground engineerings of China, as basement, subway station, underground garage etc. are located, because of the heavy rain phenomenon of intaking, though most, in the very first time, water is discharged, but also to us, sound the alarm, prevent that in advance rain, backing up of sewage from entering the important research content that underground construction becomes underground construction.In addition, affected by Rainfall Disaster, for promoting the anti-disaster ability of underground civil defense engineering under extreme meteorological condition, the measure of the concrete refinement reverse-filling of expert advice, as one of important content of person approving's preventing engineering drawing.Below all need to research and develop a kind of novel reverse-filling pressure release well for the outer draining of underground construction.
Conventional pressure release well only has decompression function, do not possess reverse-filling function, when the raising of downstream line water level or heavy rain downstream line in period drainability deficiency, can cause rain, sewage in well to flow backwards into underground construction, cause underground construction floods, even cause serious economy, personal casualty loss.And the backward flowing preventing devices such as existing duckbill valve, non retern valve, or reverse-filling effect is undesirable, or valve easily blocks and hang dirt and cause line clogging, its draining and reverse-filling function are difficult to get both.
Summary of the invention
For structural deficiency in prior art, the purpose of this utility model is to provide a kind of reverse-filling pressure release well, makes common pressure release well possess reverse-filling function.Be applicable to prevent mechanical lifting draining in the urban underground construction engineering of outdoor rain, backing up of sewage pressure release and with being connected of downstream gravity drainage pipeline.
For achieving the above object, the technical solution adopted in the utility model is to provide a kind of reverse-filling pressure release well, and this reverse-filling pressure release well includes the borehole wall, well lid, wherein: in the borehole wall, be provided with reverse-filling delivery port.Set up defences and pour in down a chimney delivery port in the water outlet end of the pressured drain in the described borehole wall.The structure of described reverse-filling delivery port comprises that ball float, valve arm, valve plate, axle, supporting baffle are provided with axle in described water outlet end, axle connects one end of valve plate, the other end of valve plate is connection valve arm and ball float successively, and a side of valve plate supports by the supporting baffle being fixed on the borehole wall.
Effect of the present utility model is to use this reverse-filling pressure release well to integrate pressure release draining, reverse-filling two functions, prevents that in municipal drainage pipeline, rain, sewage pour in down a chimney into space, underground building by pressure release well.This reverse-filling pressure release well can be used for underground structrue engineering, as the dirty waste water in subway station, underground garage, civilian construction basement is drained into when outdoor pressure release and prevented that rain in yard piping, sewage from flowing backwards into underground building by this type of pressure release well and drainage pipe road by mechanical lifting.At ordinary times, the dirty waste water with pressure by mechanical lifting in underground structrue engineering can reduce pressure by this reverse-filling pressure release well, after decompression, utilize gravity to drain into outdoor drainage pipe network, and heavy rain season or downstream line are stopped up while causing the interior water level of this pressure release well to raise, can prevent that in well, rain, sewage blow back in underground building.Can guarantee that the dirty waste water in underground structrue engineering normally discharges simultaneously.
Accompanying drawing explanation
Fig. 1 is reverse-filling pressure release well construction overall schematic of the present utility model;
Fig. 2 is valve plate of the present utility model and valve arm 45 degree lateral views;
Fig. 3 is the normal hull-borne schematic diagram of the utility model;
Fig. 4 is the utility model reverse-filling view.
In figure:
1, ball float 2, valve arm 3, valve plate 4, axle 5, supporting baffle 6, water outlet end 7, pressured drain 8, outlet pipe 9, the borehole wall 10, well lid
The specific embodiment
By reference to the accompanying drawings the structure of reverse-filling pressure release well of the present utility model is illustrated.
Reverse-filling delivery port of the present utility model is located at the water outlet end of underground structrue engineering pressured drain, and in pressure release well, the valve arm of reverse-filling delivery port is at ordinary times in level, valve plate is in vertical state, the two joins, and valve plate is connected with drainage pipe end by axle, can sway.The supporting baffle that supports valve plate, makes valve plate keep at ordinary times vertical state.Tapping pipe end cross section becomes the angle of-40 ° with horizontal plane, to guarantee in well that the water surface flushes valve plate will flow backwards time and can close in time with the end in tapping pipe, prevent from pouring in down a chimney.Water outlet side is outlet pipe.
As shown in Fig. 1-Fig. 4, reverse-filling pressure release well of the present utility model, this reverse-filling pressure release well includes the borehole wall 9, well lid 10, is provided with reverse-filling delivery port in the borehole wall 9.Water outlet end 6 places of the pressured drain 7 in the described borehole wall 9 set up defences and pour in down a chimney delivery port.The structure of described reverse-filling delivery port comprises ball float 1, valve arm 2, valve plate 3, axle 4, supporting baffle 5, at described water outlet end, 6 places are provided with axle 4, axle 4 connects one end of valve plate 3, the other end of valve plate 3 is connection valve arm 2 and ball float 1 successively, and a side of valve plate 3 supports by the supporting baffle 5 being fixed on the borehole wall 9.
Water outlet end 6 cross sections of described pressured drain 7 become the angle of-40 ° with horizontal plane.Described valve arm 2 is in 90 ° with valve plate 3, and valve arm 2 is for being horizontally disposed with simultaneously, and the length of valve arm 2 is slightly longer than the diameter of valve plate 3.
Reverse-filling delivery port of the present utility model is positioned at that pressure release well is inner, and water outlet end 6 cross sections of pressured drain 7 become the angle of-40 ° with horizontal plane, is convenient to valve plate and the mouth of pipe is closed preferably, prevents from pouring in down a chimney.In water outlet end 6 one sides of pressured drain 7, axle 4 is set valve plate 3 is connected with end, ball float 1 is connected with valve plate 3 by valve arm 2, is convenient to control valve plate 3 switchings, and valve plate 3 and the borehole wall 9 directly arrange supporting baffle 5, to control the slewing area of valve plate 3.Outlet pipe 8 is positioned at the trip of pressure release down-hole, for gravity drainage.Whole reverse-filling delivery port is arranged on the end of pressured drain 7, and pressure release well is inner, and pressure release well is comprised of the borehole wall 9 and well lid 10.
For guarantee this device normally draining can prevent from again pouring in down a chimney, the height of water outlet end 6 and outlet pipe 8 should be reasonable in design, ball float 1 height of living in while making normal draining can not drive valve plate 3 to close water outlet end 6, and water level in the level of tail water is outlet pipe 8 will approach while soon pouring in down a chimney at the bottom of the pipe of pressure water pipe 7, should guarantee that ball float 1 drives valve plate 3 to rotate to close water outlet end 6 with water level floating, prevents that aqueous reflux from entering pressured drain 7.
When reverse-filling pressure release well function of the present utility model is achieved in that normal draining, in pressure release well, water level is lower, and ball float 1 height of living in is lower, and valve plate 3 has certain unlatching space with water outlet end 6, and the interior dirty waste water of pressured drain 7 can freely discharge.Even if the open degree of valve plate 3 is less, because water outlet end 6 water of discharging is pressure water, also valve plate 3 can be washed open, can not affect normal draining.During simultaneously due to normal draining, valve plate 3 is opened completely, can not produce foreign material and block extension clogging.When downstream is the interior water level of outlet pipe 8 while rising, ball float 1 rises with water level, rises to height at the bottom of the pipe of pressured drain 7 at water level, while soon pouring in down a chimney, the height that ball float 1 rises just drives valve plate 3 to close completely, stops downstream water to pour in down a chimney into pressured drain 7, realizes reverse-filling function.
The structure and material design of reverse-filling pressure release well of the present utility model:
Described reverse-filling pressure release well diameter can adopt Φ 800mm, Φ 1000mm, Φ 1200mm, several specifications of Φ 1500mm.The water outlet end 6 of reverse-filling pressure release well and reverse-filling delivery port specification can be according to pressured drain 7 caliber adjustment.Outlet pipe 8 diameters of reverse-filling pressure release well are generally 300mm.Reverse-filling pressure release well depth should, according to regional frost depth design, guarantee that the pipe top of outlet pipe 8 is positioned at below frost line.
Described water outlet end 6 adopts coating steel pipes to make, and valve plate 3 main bodys adopt steel plates or hard polyethylene, and valve plate periphery is provided with the rubber groove identical with water outlet end 6, so that good airproof performance while closing.Ball float 1 adopts stainless steel.The borehole wall 9 adopts plastic material, and barrier performance is good, easy construction.Well lid 10 can be selected plastics or ductile iron material according to present position.
The operation maintenance of reverse-filling pressure release well of the present utility model, this device is without regular maintenance.
Related advisory:
1), for making downstream line buried depth more shallow, can suitably raise the buried depth of pressured drain 7, and pressured drain 7 be had be not less than 1% gradient slope aspect reverse-filling pressure release well.
2) for the more situation of impurity in discharged water, should be regularly especially rainy season, whether inspection cock arm 2, valve plate 3 blocked extension dirt, and cleaning in time, in order to avoid affect reverse-filling effect.
Claims (5)
1. a reverse-filling pressure release well, this reverse-filling pressure release well includes the borehole wall, well lid, it is characterized in that: in the borehole wall (9), be provided with reverse-filling delivery port.
2. reverse-filling pressure release well according to claim 1, is characterized in that: the water outlet end (6) of the pressured drain (7) in the described borehole wall (9) is located to set up defences and poured in down a chimney delivery port.
3. reverse-filling pressure release well according to claim 1 and 2, it is characterized in that: the structure of described reverse-filling delivery port comprises ball float (1), valve arm (2), valve plate (3), axle (4), supporting baffle (5), at described water outlet end (6), locate to be provided with axle (4), axle (4) connects one end of valve plate (3), the other end of valve plate (3) is connection valve arm (2) and ball float (1) successively, and a side of valve plate (3) supports by the supporting baffle (5) being fixed on the borehole wall (9).
4. reverse-filling pressure release well according to claim 2, is characterized in that: water outlet end (6) cross section of described pressured drain (7) becomes the angle of-40 ° with horizontal plane.
5. reverse-filling pressure release well according to claim 3, is characterized in that: described valve arm (2) is in 90 ° with valve plate (3), and valve arm (2) is for being horizontally disposed with simultaneously, and the length of valve arm (2) is slightly longer than the diameter of valve plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061406.6U CN203821558U (en) | 2014-02-11 | 2014-02-11 | Back-flowing-proof decompression well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061406.6U CN203821558U (en) | 2014-02-11 | 2014-02-11 | Back-flowing-proof decompression well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203821558U true CN203821558U (en) | 2014-09-10 |
Family
ID=51477073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420061406.6U Expired - Lifetime CN203821558U (en) | 2014-02-11 | 2014-02-11 | Back-flowing-proof decompression well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203821558U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638892A (en) * | 2016-11-11 | 2017-05-10 | 江苏工程职业技术学院 | Anti-backflow device of drainage pipe |
| CN107675790A (en) * | 2017-10-20 | 2018-02-09 | 周利干 | A sewage intercepting flood control valve |
| CN108360568A (en) * | 2018-01-09 | 2018-08-03 | 国网安徽省电力公司阜阳供电公司 | A kind of backward flowing preventing device in cable shaft |
-
2014
- 2014-02-11 CN CN201420061406.6U patent/CN203821558U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638892A (en) * | 2016-11-11 | 2017-05-10 | 江苏工程职业技术学院 | Anti-backflow device of drainage pipe |
| CN107675790A (en) * | 2017-10-20 | 2018-02-09 | 周利干 | A sewage intercepting flood control valve |
| CN108360568A (en) * | 2018-01-09 | 2018-08-03 | 国网安徽省电力公司阜阳供电公司 | A kind of backward flowing preventing device in cable shaft |
| CN108360568B (en) * | 2018-01-09 | 2024-02-09 | 国网安徽省电力公司阜阳供电公司 | A prevent flowing backward device for in cable well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300010 Hebei District, Zhongshan Road, No. 10, Patentee after: CHINA RAILWAY DESIGN Corp. Address before: 300010 Hebei District, Zhongshan Road, No. 10, Patentee before: THE THIRD RAILWAY SURVEY AND DESIGN INSTITUTE Group Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |