CN107152072B - A kind of dirty method of waterpower control combined system channel section - Google Patents
A kind of dirty method of waterpower control combined system channel section Download PDFInfo
- Publication number
- CN107152072B CN107152072B CN201710512123.7A CN201710512123A CN107152072B CN 107152072 B CN107152072 B CN 107152072B CN 201710512123 A CN201710512123 A CN 201710512123A CN 107152072 B CN107152072 B CN 107152072B
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- China
- Prior art keywords
- sewage
- dirty
- channel
- dam
- intercepting sewer
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
Abstract
A kind of dirty method of waterpower control combined system channel section, comprising the following steps: S1, is built in drainage system channel and cut a dirty dam, dry flow sewage and initial rainwater in interception channel；S2, in channel side-wall hole, dry flow sewage and initial rainwater are connected to sewage intercepting sewer and cut a dirty main pipe；S3, drainage system channel side wall sewage shut off nozzle setting rectangle light spring door.Described section of dirty dam is cemented rock dam or concrete dam, and described section of dirty height of dam degree is greater than sewage and shuts off 200~300mm of pipe diameter.The interior bottom absolute altitude of the sewage intercepting sewer is higher than bottom 150~200mm of absolute altitude in channel, and the hydraulic gradient of the sewage intercepting sewer is 2.9 ‰~3.1 ‰.Entire section of dirty method and process is simple, and the control of combined closure system is realized in easy for construction, economical rationality using hydraulic action automatically, has many advantages, such as reliability and durability, energy conservation and environmental protection, maintenance convenient for safeguarding, is highly suitable for applying in drainage system canal modification project.
Description
Technical field
The present invention relates to sewerage system technical fields, and in particular to a kind of waterpower control combined system channel section dirt side
Method.
Background technique
With the development of urban infrastructure construction, when old town drainage system pipe duct system is transformed, by road
The factors such as narrow, building is intensive restrict, and a kind of thinking is the drainage system pipe duct for retaining old town, build along the river cut it is dirty dry
Pipe, is transformed into interceptive combined system drainage system for original drainage system.Combined system pipe duct taps into cut dirty main pipe before be arranged and shut off
Well.
Traditional Vatch basin presses the difference of inner structure form, is broadly divided into weir formula, slot type, three kinds of weir notch convolution, all
It is able to achieve the purpose by dry flow sewage and primary rainwater closure, but is unable to control combined closure system.It is still had when rainfall is larger a large amount of
Rainwater and sewage, which are mixed into, cuts dirty main pipe, causes the amount of inlet water of sewage plant, variation water quality larger, influences the operation of sewage plant
Management.
To solve the above problems, there is the Vatch basin of project development novel belt flow control valve in recent years, cut although being able to achieve
The control of streamflow, but structure is complicated, involves great expense for well, and later maintenance management requires height, fails to be widely applied.
Summary of the invention
In order to overcome above-mentioned combined drainage system existing technological deficiency or deficiency, purpose of the present invention when being transformed
It is to control combined closure system when solving the problems, such as that drainage system channel accesses and cuts dirty main pipe with the method for simple economy.
A kind of dirty method of waterpower control combined system channel section, comprising the following steps:
S1, it is built in drainage system channel and cuts dirty dam, dry flow sewage and initial rainwater in interception channel；
S2, in channel side-wall hole, dry flow sewage and initial rainwater are connected to sewage intercepting sewer and cut a dirty main pipe；
S3, drainage system channel side wall sewage shut off nozzle setting rectangle light spring door.
Preferably, described section of dirty dam is cemented rock dam or concrete dam, and described section of dirty height of dam degree is greater than sewage intercepting sewer
200~300mm of diameter.
Preferably, the interior bottom absolute altitude of the sewage intercepting sewer is higher than bottom 150~200mm of absolute altitude in channel, and the sewage is cut
The hydraulic gradient of flow tube is 2.9 ‰~3.1 ‰.
Preferably, the single or double acting door is equipped with rubber weather strip, the single or double acting door other side close to the side of sewage intercepting sewer
Plain concrete buttress is equipped between channel side wall.
Preferably, angle α=28 °~32 ° between the single or double acting door and channel side wall.
Preferably, the height of the single or double acting door is greater than the diameter 100mm of sewage intercepting sewer, and the width of the single or double acting door is dirt
Water shuts off 1.2~1.7 times of pipe diameter.
The present invention using hydraulic action in drainage system channel, realize dry season sewage, initial rainwater and rainfall later period compared with
The separation of big amount of rainfall, it is only dry season sewage and initial rainwater amount that control, which enters a section water for dirty main pipe, not only protects environment, but also simultaneous
Care for the operation of urban sewage treatment system.
The full waterpower that single or double acting door can be achieved in the present invention controls folding, without complicated electromechanical equipment, simple process, and energy conservation and environmental protection,
Maintenance and Repair are convenient, have good environmental benefit and economic benefit.
Detailed description of the invention
Fig. 1 is the schematic diagram that a kind of waterpower of the present invention controls that combined system channel cuts dirty method；
Fig. 2 is the drawing of node B；
Fig. 3 is the cross-sectional view in the direction A-A.
Specific embodiment
Below with reference to embodiment and attached drawing, the invention will be further described.
The present invention is built in drainage system channel 1 cuts a dirty dam 2, in interception channel 1 dry flow sewage and initial stage
Rainwater.Dry flow sewage and initial rainwater are connected to sewage intercepting sewer 3 and cut dirty main pipe by 11 aperture of channel side wall.Sewage intercepting sewer 3
Diameter determined according to local dry flow sewage amount and interception ratio；Cut dirty 2 height of dam be greater than 3 diameter 200 of sewage intercepting sewer~
The structural shapes such as cemented rock or concrete can be used in 300mm.
Then light spring door 4 is set at 3 mouthfuls of sewage intercepting sewer of drainage system channel side wall 11.For convenient for single or double acting door 4
Folding, guarantee sealing effect when nozzle closure, in sewage intercepting sewer 3 bottom absolute altitude should be higher than that bottom absolute altitude 150 in channel 1~
200mm, the hydraulic gradient of intercepting sewer 3 is by 2.9 ‰~3.1 ‰ controls.
The single or double acting door 4 is rectangle, and panel size is slightly larger than 3 mouthfuls of sizes of intercepting sewer, for closing 3 mouthfuls of intercepting sewer of face
Plate side is equipped with rubber weather strip.4 height of single or double acting door is greater than 3 diameter 100mm of sewage intercepting sewer, and width is that sewage intercepting sewer 3 is straight
1.2~1.7 times of diameter.
The original state that the single or double acting door 4 is installed keeps the angle with 28 °~32 ° of channel inner wall, single or double acting door 4 and channel side
Plain concrete buttress 5 appropriate is filled between wall 11, not only improves the open state for keeping door, and be conducive to lead water flow
To.Single or double acting door 4 can carry out hydraulic regime when adjustment spring door 4 is closed, reach by adjusting prestressing size possessed by torque spring
To the holding filth capacity of sewerage system and water body environment capacity requirement.
Dry season or rainfall initial stage, the interior only dry flow sewage of drainage system channel 1, or add initial stage rain for dry flow sewage
Water, water flow is the state of small flow, low flow velocity in channel 1, and water level is shallower, and water flow is smaller to the thrust of single or double acting door 4, single or double acting door 4
It is maintained open state.Under the interception function for cutting dirty dam 2, dry flow sewage, initial rainwater in channel 1, which are all shut off to enter, to be cut
Dirty main pipe, then through municipal sewage plant handle it is up to standard after discharge.
With the extension of rainfall duration, the increase of rainfall intensity, mixing liquid in drainage system channel 1 essentially compared with
Clean rainwater, water flow gradually becomes big flow, the state of high flow rate in channel, and water level rises, thrust of the water flow to single or double acting door 4
Continue to increase.Under hydraulic action, single or double acting door 4 is automatically closed, and closes 3 mouthfuls of intercepting sewer, prevents a large amount of rainwater by cutting dirty main pipe
Into municipal sewage plant, avoid that urban sewage treatment system is caused to impact.Water flow in drainage system channel covers
Cut dirty dam crest discharge.
During rainfall is progressively smaller until stopping, amount of rainfall is gradually reduced in drainage system channel 1.With interflow
Water level decreasing, flows decrease in discharge conduit processed, water flow are also gradually reduced the thrust of single or double acting door 4, and single or double acting door 4 reverts to again to be beaten
Open state shuts off dry flow sewage to a section dirty main pipe.
Entire section of dirty method and process is simple, and the control of combined closure system is realized in easy for construction, economical rationality using hydraulic action automatically
System, has many advantages, such as reliability and durability, energy conservation and environmental protection, maintenance convenient for safeguarding, is highly suitable for drainage system canal modification project
Middle application.
The foregoing is merely preferred embodiments of the invention, are not intended to limit the invention, all in spirit and original of the invention
Within then, any modification, equivalent replacement, improvement and so on are all included in the scope of protection of the present invention.
Claims (4)
1. a kind of waterpower control combined system channel cuts dirty method, which comprises the following steps:
S1, it is built in drainage system channel (1) and cuts dirty dam (2), dry flow sewage and initial rainwater in interception channel (1)；
S2, in channel side wall (11) aperture, dry flow sewage and initial rainwater are connected to sewage intercepting sewer (3) and cut a dirty main pipe；
S3, drainage system channel side wall (11) sewage shut off nozzle setting rectangle light spring door (4)；
The single or double acting door (4) close to sewage intercepting sewer (3) side be equipped with rubber weather strip, single or double acting door (4) other side with
Plain concrete buttress (5) are equipped between channel side wall (11)；
Angle α=28 °~32 ° between single or double acting door (4) original state and channel side wall (11).
2. a kind of waterpower control combined system channel according to claim 1 cuts dirty method, it is characterised in that: described section of dirty dam
It (2) is cemented rock dam or concrete dam, described section of dirty dam (2) is highly greater than sewage intercepting sewer (3) 200~300mm of diameter.
3. a kind of waterpower control combined system channel according to claim 1 cuts dirty method, it is characterised in that: the sewage is cut
The interior bottom absolute altitude of flow tube (3) is higher than channel (1) 150~200mm of interior bottom absolute altitude, and the hydraulic gradient of the sewage intercepting sewer (3) is
2.9 ‰~3.1 ‰.
4. a kind of waterpower control combined system channel according to claim 3 cuts dirty method, it is characterised in that: the single or double acting door
(4) height is greater than the diameter 100mm of sewage intercepting sewer (3), and the width of the single or double acting door (4) is sewage intercepting sewer (3) diameter
1.2~1.7 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512123.7A CN107152072B (en) | 2017-06-28 | 2017-06-28 | A kind of dirty method of waterpower control combined system channel section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512123.7A CN107152072B (en) | 2017-06-28 | 2017-06-28 | A kind of dirty method of waterpower control combined system channel section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107152072A CN107152072A (en) | 2017-09-12 |
| CN107152072B true CN107152072B (en) | 2019-07-30 |
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ID=59795201
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710512123.7A Active CN107152072B (en) | 2017-06-28 | 2017-06-28 | A kind of dirty method of waterpower control combined system channel section |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853706A (en) * | 2017-11-30 | 2019-06-07 | 上海浦东建筑设计研究院有限公司 | Novel regulate and store of one kind purifies ditch |
| CN108166598B (en) * | 2017-12-15 | 2020-09-25 | 珠海市建安集团有限公司 | Underground rainwater centralized drainage structure for united villas |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2011130C2 (en) * | 2013-07-10 | 2015-01-13 | Dennis Veldhuizen | METHOD FOR TEMPORARILY CLOSING A GRAY-COVERED GUTTER OF A HARDENED PIECE OF EARTH SURFACE; AS WELL AS A SHUT-OFF FOR A GUTTER. |
| CN203498994U (en) * | 2013-10-15 | 2014-03-26 | 天津大学 | Eccentric sand-glass type diversion channel |
| CN204001185U (en) * | 2014-08-14 | 2014-12-10 | 安徽汉威环境科技有限公司 | A kind of pendulum model automatic control pollution cutting device |
| CN205604426U (en) * | 2016-03-30 | 2016-09-28 | 重庆市市政设计研究院 | A class device is abandoned to initial stage rainwater of drop well |
| CN205637084U (en) * | 2016-04-19 | 2016-10-12 | 武汉圣禹排水系统有限公司 | Two -way cut -off equipment of water conservancy automatic control |
| CN205975892U (en) * | 2016-06-24 | 2017-02-22 | 戴文平 | Simple gate syntropy stop valve |
| CN205935173U (en) * | 2016-08-15 | 2017-02-08 | 合肥致盛节能科技有限公司 | A class device is abandoned to unpowered formula of damming |
| CN205935153U (en) * | 2016-08-27 | 2017-02-08 | 四川一欣环境科技有限公司 | Rainwater discharge and filter device |
| CN206174088U (en) * | 2016-11-10 | 2017-05-17 | 云南鼎易环保科技工程有限公司 | Rainwater discharging device |
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