CN203795577U - Municipal drainage pipe overflowing type grid device - Google Patents
Municipal drainage pipe overflowing type grid device Download PDFInfo
- Publication number
- CN203795577U CN203795577U CN201420005953.2U CN201420005953U CN203795577U CN 203795577 U CN203795577 U CN 203795577U CN 201420005953 U CN201420005953 U CN 201420005953U CN 203795577 U CN203795577 U CN 203795577U
- Authority
- CN
- China
- Prior art keywords
- type grid
- water
- inlet channel
- cartridge type
- discharging pipeline
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims description 17
- 230000007704 transition Effects 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 19
- 230000007547 defect Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 239000010865 sewage Substances 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 101100366940 Mus musculus Stom gene Proteins 0.000 description 2
- 210000000476 body water Anatomy 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Abstract
The utility model discloses a municipal drainage pipe overflowing type grid device which comprises a water body filtering area provided with a water inlet pipe and a water outlet pipe. A cylindrical grid with the horizontally-arranged axis is arranged in the water body filtering area and provided with a tangential inlet communicated with the water inlet pipe and a grid net arranged on the peripheral wall. By means of the municipal drainage pipe overflowing type grid device, a filtering structure is arranged to be the cylindrical grid, and the defect that impurities of an original straight-flow type filter net are prone to being attached to the filter net is overcome; due to the arrangement of the tangential inlet, a water body forms rotational flow in the cylindrical grid, the direction of water flow is tangent with the cylinder wall in parallel, impurities can not be attached to meshes of the cylinder wall, and the problems that the water filtering area is rapidly reduced due to impurity attachment, unsmooth flowing is caused, and a water inlet of the water inlet pipe is overflowed are solved.
Description
Technical field
The utility model relates to a kind of Municipal drainage system, particularly a kind of urban discharging pipeline overflow-type grid device.
Background technology
Suspension is one of important pollutant in rainfall runoff, especially the impurity such as leaf, fiber (hair, fabric), paper, these suspensions are not only given the serious threat of knowing clearly of receiving water body water quality band, on the other hand, entering also of these impurity caused very large negative effect to the view of water body.Therefore, drainage pipeline networks moderate rain, sewage, before row river, carry out effective removal of suspension and dam, and are significant to reducing receiving water body water pollution and landscape destruction.
In developed country, in order to solve the pollution problem of segregation system storm-water system early-stage rainwater, carry out a large amount of early-stage rainwater pollution control technology research, research and develop the early-stage rainwater end treating apparatus of many forms, such as Flogard, Hydro StormTrain series of products, Stormfilter, Highland Tank's Solids etc., these devices not only can effectively be removed the bulky grain such as leaf, fiber suspension, small particle diameter suspended particulate is also had to good removal effect simultaneously, therefore become the Main Means that draining purifies.But these technology are in the time removing in rainwater bulky grain suspension, what mainly adopt is netted Hanging Basket, the removing method of mesh grille, or adopt the cleaning principles such as filtration, although bulky grain suspended impurity and small particle diameter suspended particulate are had to good removal effect, but the larger suspension long-term accumulated such as leaf, fiber is at Hanging Basket or grid place, or filtration beds surface, after long-term operation, certainly will cause the assembly such as filter screen, grid conveyance capacity to reduce even and stop up, thereby draining safety has been caused to very large threat.
In order to address the above problem, there is researcher to propose a kind of anticlogging filter, notification number is that the patent documentation of CN202430821U discloses a kind of catch pit cleaning and filtering device, this catch pit cleaning and filtering device, mainly formed by framework and filter screen, this framework is grid type, make cylindrical shape or the square tube shape of end uncovered, and the diameter of this columnar framework is more smaller than the internal diameter of circular row well, the height of framework is less than the degree of depth of catch pit, framework is the height lower than drainage pipe catch pit planted agent, bottom and surrounding at this framework are covered dress filter screen, at ring or the hinged mounting knob of bearing pin for top of framework.
And publication number CN102127929A invention is a kind of rainwater well grid cleaning device that is used for preventing nozzle blocking under catch-basin, when this invention can effectively prevent from raining, grid cover plate stops up, protection urban environmental hygiene.
The invention of another kind of publication number CN102691350A is a kind of plain type slip grid anti-blocking rain water mouth, mainly comprise inlet for stom water body and cover for rain, this invention inlet for stom water that quick-recovery is stopped up by foreign material soon, make it recover water inlet ability, realize fast transport road rain water, reduce excess surface water between storm period.
But said apparatus or filter screen is set under well lid or directly carries out water body filtration by well lid, water body is all vertical impact filtering surface, impurity is easy to enter the mesh of screen pack and causes screen pack to stop up, cause the filter effect of screen pack to decline, or need often screen pack to be cleared up labor intensive.
Utility model content
The utility model discloses a kind of urban discharging pipeline overflow-type grid device, to solve in prior art, screen pack easily stops up, and needs the problem of frequent cleaning.
A kind of urban discharging pipeline overflow-type grid device, comprise the water body filtration district with inlet channel and outlet conduit, in described water body filtration district, be provided with the cartridge type grid that axis horizontal is arranged, cartridge type grid has the tangential inlet being communicated with inlet channel, and is arranged on the grid of perisporium.
With the pipeline that described tangential inlet is connected, the part tube wall of pipeline and the barrel of cartridge type grid are tangent, thereby make the water body that enters cartridge type grid along pipeline from tangential inlet form eddy flow in the barrel of cartridge type grid.
The a small amount of effluent stream in ground is as the inlet channel of said apparatus, the sewage that flow is less, impurity is more enters cartridge type grid from the tangential inlet being communicated with inlet channel, current flow along barrel, form eddy flow fluidised form, flow direction is parallel tangent with the barrel of cartridge type grid, and water body is filtered to water body filtration district from the mesh of grid cylinder.
Current form eddy flow, make impurity in sewage under rotary water current effect, collect to centre, produce the effect of Separation of Solid and Liquid, and like this, not only the impurity larger than the mesh of cartridge type grid has obtained removal, equally also can effectively remove than the suspension that mesh is little.
Meanwhile, impurity is along with the flow direction of current is parallel with grid wall surface tangent, and the barrel that impurity can vertical impact cartridge type grid, avoids impurity to adhere in the mesh of cartridge type grid and stop up mesh, has guaranteed the normal filter capacity of cartridge type grid.
Form the impulse force of eddy flow in order to improve current, preferred, described tangential inlet is arranged on the top of cartridge type grid.Above-mentioned setting enters after cartridge type grid current, and the gravity feed stream of water body increases a tangential component, improves the tangential impulse force of current, makes water body more easily form eddy flow, increases filter effect.
Further preferred, in the horizontal direction, described tangential inlet position is lower than the edge, top of inlet channel.
Preferably, the water (flow) direction of the water outlet of described inlet channel is mutually vertical with the axis of described cartridge type grid.
In order to increase effective grid area, make sewage in inlet channel enter cartridge type grid and carry out pretreatment, preferred, described inlet channel is communicated to the middle part of cartridge type grid.
In ensureing inflow, in order to improve eddy flow effect, preferred, the central angle angle in the relative cartridge type grid of described tangential inlet axle center is 70 degree～80 degree.Described angle too small, tangential inlet is narrow, and inflow is little, is unfavorable for draining; Described angle is excessive, and the current major part that can make to enter cartridge type grid from the tangential inlet barrel of cannot fitting, declines the eddy flow degree of current, filter effect variation.
For in the time that sewage quantity is larger, current are discharged fast, preferred, described tangential inlet is communicated to inlet channel by the transition conduit being arranged in water body filtration district, and the top of described transition conduit has overfall.
When the discharge of inlet channel is larger, when water level exceeds the height of overfall, excessive water can be from overfall overflow, directly do not enter water body filtration district by cartridge type grid, to outlet conduit discharge, avoid the impact of large flow to barrel, also can guarantee drainage efficiency simultaneously.
In order to make the utlity model has larger treating capacity, preferred, the end of described overfall, is along flushing with the edge, top of inlet channel.Only have in the time that discharge is excessive, sewage just can directly enter water body filtration district from overfall.
Preferably, described inlet channel and outlet conduit are oppositely arranged in the horizontal direction.
For the impurity in convenient recovery and cleaning cartridge type grid, preferred, described inlet channel and cartridge type grid removably connect.
The beneficial effects of the utility model are:
Urban discharging pipeline overflow-type grid device of the present utility model, by filtration being arranged to cartridge type grid, change the shortcoming that the foreign material of original single flow grid are easy to adhere to, by tangential inlet is set, make water body form eddy flow in cartridge type grid, make water (flow) direction parallel with barrel tangent, impurity cannot be attached in the mesh of barrel, avoid having caused drainage area to fall sharply because impurity adheres to, caused flowing not smooth, the problem that causes the water inlet of inlet channel to overflow.Meanwhile, the utility model, by overfall is set, makes great deal running water directly enter the discharge of water body filtration district by overfall, without cartridge type grid, thereby can realize safety dumping runoff peak flood flow, also avoid the hydraulic blow of the barrel to cartridge type grid, improve the application life of equipment.
Brief description of the drawings
Fig. 1 is cross-sectional view of the present utility model;
Fig. 2 is the cross-sectional view of another angle of the utility model.
Detailed description of the invention
As depicted in figs. 1 and 2, the urban discharging pipeline overflow-type grid device of the present embodiment comprises: with the water body filtration district 3 of inlet channel 1 and outlet conduit 2, inlet channel 1 and outlet conduit 2 are oppositely arranged in the horizontal direction.
In water body filtration district 3, be provided with the cartridge type grid 4 that axis horizontal is arranged, cartridge type grid 4 has the tangential inlet 41 being communicated with inlet channel 1 and the grid that is arranged on perisporium, and inlet channel 1 is communicated to the middle part of cartridge type grid 4.
Tangential inlet 41 is arranged on the top of cartridge type grid 4, and in the horizontal direction, tangential inlet 41 positions are lower than the edge, top of inlet channel 1, and the water (flow) direction of the water outlet of inlet channel 1 is mutually vertical with the axis of cartridge type grid 4.
In ensureing inflow, in order to improve eddy flow effect, the central angle angle in tangential inlet 41 relative cartridge type grid 4 axle center is 70 degree～80 degree.In the time of this angle too small, tangential inlet 41 is narrow, and inflow is little, is unfavorable for draining; Excessive when this angle, the current major part that can make to enter cartridge type grid from the tangential inlet barrel of cannot fitting, declines the eddy flow degree of current, filter effect variation.Therefore, in the present embodiment, this central angle angle is 75 degree.
For in the time that sewage quantity is larger, current are discharged fast, each tangential inlet 41 is communicated to inlet channel 1 by the transition conduit 5 being arranged in water body filtration district, has overfall 51 at the top of transition conduit 5, and the end of overfall 51 is along flushing with the edge, top of inlet channel 1.
For the impurity in convenient recovery and cleaning cartridge type grid 4, inlet channel 1 removably connects with cartridge type grid 4.
The present embodiment course of work:
When the discharge of sewage less, while being less than the peak level of inlet channel 1, sewage enters cartridge type grid 4 from the tangential inlet 41 being communicated with inlet channel 1, current flow along barrel, direction indication along arrow forms eddy flow fluidised form, flow direction is parallel tangent with the barrel of cartridge type grid 4, is filtered to water body filtration district 3 along the direction indication water body of arrow from the mesh of cartridge type grid.
And it is larger to work as the discharge of sewage, while being greater than the peak level of inlet channel, excessive sewage can be from overfall 51 overflows, directly do not enter water body filtration district 3 by cartridge type grid 4, discharge to outlet conduit 2, avoid the impact of large flow to barrel, also can guarantee draining safety simultaneously.
The urban discharging pipeline overflow-type grid device of the present embodiment, by filtration being arranged to cartridge type grid 4, change the shortcoming that the foreign material of original single flow screen pack are easy to adhere to, by tangential inlet 41 is set, make water body at the interior formation eddy flow of cartridge type grid 4, make water (flow) direction parallel with barrel tangent, impurity cannot be attached in the mesh of barrel, avoid having caused drainage area to fall sharply because impurity adheres to, caused flowing not smooth, the problem that causes the water inlet of inlet channel to overflow.Simultaneously, the utility model is by arranging overfall 51, make great deal running water directly enter the discharge of water body filtration district by overfall 51, without cartridge type grid, thereby can realize safety dumping runoff peak flood flow, also avoid the hydraulic blow of the barrel to cartridge type grid 4, improve the application life of equipment.
Claims (10)
1. a urban discharging pipeline overflow-type grid device, comprise the water body filtration district with inlet channel and outlet conduit, it is characterized in that, in described water body filtration district, be provided with the cartridge type grid that axis horizontal is arranged, cartridge type grid has the tangential inlet being communicated with inlet channel, and is arranged on the grid of perisporium.
2. urban discharging pipeline overflow-type grid device as claimed in claim 1, is characterized in that, described tangential inlet is arranged on the top of cartridge type grid.
3. urban discharging pipeline overflow-type grid device as claimed in claim 2, is characterized in that, in the horizontal direction, described tangential inlet position is lower than the edge, top of inlet channel.
4. urban discharging pipeline overflow-type grid device as claimed in claim 1, is characterized in that, the water (flow) direction of the water outlet of described inlet channel is mutually vertical with the axis of described cartridge type grid.
5. urban discharging pipeline overflow-type grid device as claimed in claim 1, is characterized in that, described inlet channel is communicated to the middle part of cartridge type grid.
6. urban discharging pipeline overflow-type grid device as claimed in claim 1, is characterized in that, the central angle angle in the relative cartridge type grid of described tangential inlet axle center is 70 degree～80 degree.
7. urban discharging pipeline overflow-type grid device as claimed in claim 6, is characterized in that, described tangential inlet enters filtering area by being arranged on water body filtration district inner tube type grid, and is communicated to inlet channel, and the top of described transition conduit has overfall.
8. urban discharging pipeline overflow-type grid device as claimed in claim 7, is characterized in that, the end of described overfall is along flushing with the edge, top of inlet channel.
9. urban discharging pipeline overflow-type grid device as claimed in claim 1, is characterized in that, described inlet channel and outlet conduit are oppositely arranged in the horizontal direction.
10. urban discharging pipeline overflow-type grid device as claimed in claim 1, is characterized in that, described inlet channel and cartridge type grid removably connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005953.2U CN203795577U (en) | 2014-01-02 | 2014-01-02 | Municipal drainage pipe overflowing type grid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005953.2U CN203795577U (en) | 2014-01-02 | 2014-01-02 | Municipal drainage pipe overflowing type grid device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203795577U true CN203795577U (en) | 2014-08-27 |
Family
ID=51377804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420005953.2U Expired - Lifetime CN203795577U (en) | 2014-01-02 | 2014-01-02 | Municipal drainage pipe overflowing type grid device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203795577U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774748A (en) * | 2014-01-02 | 2014-05-07 | 浙江大学 | Urban drainage pipeline overflowing type grating device |
| CN107601759A (en) * | 2017-08-29 | 2018-01-19 | 绍兴鑫广科技有限公司 | A kind of dyeing and printing sewage multi-stage combination processing system and handling process |
-
2014
- 2014-01-02 CN CN201420005953.2U patent/CN203795577U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774748A (en) * | 2014-01-02 | 2014-05-07 | 浙江大学 | Urban drainage pipeline overflowing type grating device |
| CN103774748B (en) * | 2014-01-02 | 2016-08-17 | 浙江大学 | A kind of urban discharging pipeline overflow-type grid device |
| CN107601759A (en) * | 2017-08-29 | 2018-01-19 | 绍兴鑫广科技有限公司 | A kind of dyeing and printing sewage multi-stage combination processing system and handling process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105587032B (en) | Cyclone sand basin for rainwater pipeline | |
| CN204401764U (en) | A kind of Multifunction catch-basin | |
| CN102774896B (en) | Integral purification device and method for particles in rain and sewage | |
| CN107327014B (en) | A kind of anti-block apparatus of the pre-buried pipeline of water conservancy | |
| CZ370996A3 (en) | Apparatus and process for separating solid bodies from flowing liquids and gases | |
| CN105040804B (en) | Separated rainwater drainage system tail end floating type filter device | |
| CN202594806U (en) | Integrated purification device for particulate matters in rainwater and sewage | |
| CN207253883U (en) | A kind of pipeline for hydraulic engineering | |
| CN109372087B (en) | Non-point source sewage control catch basin | |
| CN102247728A (en) | First rain treatment system | |
| CN111980313B (en) | System and method for treating rainwater on planted roof | |
| CN104179246A (en) | Shunting type discarding flow filter device | |
| CN108867818B (en) | Gutter inlet pollutant intercepting device for environmental protection | |
| CN107619126B (en) | Road rainwater anti-blocking centrifugal separation purification device | |
| CN105013244A (en) | Multistage rainwater purification treatment device | |
| KR101104082B1 (en) | Apparatus for filtering rainwater | |
| CN103774742B (en) | Drainage pipeline grating device | |
| CN203795577U (en) | Municipal drainage pipe overflowing type grid device | |
| KR100904287B1 (en) | Combined Sewer Overflow System | |
| CN203795573U (en) | Drainage pipeline grid device | |
| CN103774748A (en) | Urban drainage pipeline overflowing type grating device | |
| CN109763554B (en) | Biological retention facility inlet structure | |
| CN109019956B (en) | Sewage intercepting and purifying device | |
| CN208815647U (en) | A kind of water pipeline for hydraulic engineering | |
| CN206495296U (en) | Sediment by rotational flow deslagging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |