CN107386413A - A kind of rain water channel for early-stage rainwater filtering blocks dirty sieve - Google Patents
A kind of rain water channel for early-stage rainwater filtering blocks dirty sieve Download PDFInfo
- Publication number
- CN107386413A CN107386413A CN201710803837.3A CN201710803837A CN107386413A CN 107386413 A CN107386413 A CN 107386413A CN 201710803837 A CN201710803837 A CN 201710803837A CN 107386413 A CN107386413 A CN 107386413A
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- China
- Prior art keywords
- filter screen
- water channel
- rain
- area
- early
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0402—Gullies for use in roads or pavements provided with flushing means for cleaning or emptying
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a kind of rain water channel for early-stage rainwater filtering to block dirty sieve, the rainwater water inlet for being used for early-stage rainwater filtering, which blocks dirty sieve, includes the rain water channel that bottom connects with municipal pipeline, the upper end of the rain water channel is provided with water inlet, the water inlet restocking is provided with rain perforaled strainer, and the rain water channel includes the debris area connected with water inlet of horizontal subdivision and the clean water area connected with municipal pipeline；The debris area connects with the upper end open of rain water channel；By setting at least one layer of separation filter screen tilted down vertically or towards debris area to connect between the debris area and clean water area, there is the advantages of automatic cleaning filtration, holding filtration water passing rate and filter effect.
Description
Technical field
The present invention relates to rainwater treatment field, more particularly to a kind of rain water channel for early-stage rainwater filtering blocks dirty sieve.
Background technology
Chinese Urbanization development causes waterproof pavement increase, the sudden urban waterlogging as caused by storm runoff in city
Having become causes the major reason of city " seeing sea ".As city high rise building increases, to midsummer, building air-conditioning, vehicle exhaust
City " urban dry island effect " is more aggravated, and rainfall runoff carries substantial amounts of pollutant.But existing municipal drainage facility dimension
Shield mismanagement, most urban drainage pipe networks silt up seriously.Solves its touting problems, the filtering in source is particularly important；Rainwater
Primary entrance of the passage as side drainage, rain perforaled strainer can be placed typically thereon to be isolated and be supported；But enter it
Interior water and it is discharged into the water of municipal pipeline and can all contains the debris such as a large amount of silts.
Authorization Notice No. discloses a kind of rainwater for early-stage rainwater filtering for CN205206020U Chinese patent and entered
Dirty sieve, including the inlet for stom water that a bottom connects with municipal pipeline are blocked in the mouth of a river, rain perforaled strainer are provided with the upper end of inlet for stom water, in rain
The lower section of leaf grating for down pipe is provided with least one layer of filter layer, and nitrogen phosphorus adsorption structure is provided between rain perforaled strainer and filter layer；The rain
The lower section of leaf grating for down pipe is provided with the deflector by rainwater diversion to the filter layer.
Its by the way of equivalent to the suspension filtration directly below in rain perforaled strainer, this mode be easier to because
The problem of alluvial blocks and causes filtration inefficiencies or needs regular cleaning on filtration.
The content of the invention
It is an object of the invention to provide a kind of rain water channel for early-stage rainwater filtering to block dirty sieve, solves rain water channel
The problem of interior filtration easily blocks.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of rain water channel for early-stage rainwater filtering blocks dirty sieve, including the rain water channel that bottom connects with municipal pipeline, institute
The upper end for stating rain water channel is provided with water inlet, and the water inlet restocking is provided with rain perforaled strainer, and the rain water channel includes level
The debris area connected with water inlet separated and the clean water area connected with municipal pipeline；The debris area and the upper end of rain water channel
Open communication；By setting separation that is at least one layer of vertical or being tilted down towards debris area between the debris area and clean water area
Filter screen connects.
Using such scheme, the ponding on rainwater or road has obviated large-scale debris by the stop of rain perforaled strainer,
And small-sized debris then enters to debris area by water inlet；Debris area provides precipitation for the debris entered, and water then leads to
Cross separation filter screen and enter clean water area, then discharged by municipal pipeline.During this, one screen pack sets for vertical inclination excessively
Put, debris is not easy to accumulate thereon, so as to keep its filter effect in long time, secondly debris area is stayed for filtering
Under debris storage area is provided, make it also allow for focusing on it without accumulating on filter screen；Greatly reduce and cleared up
To the damage of filter screen in journey, the service life and filter effect of filter screen ensure that.
More preferably：The bottom of the rain water channel is vertically fixed dividing plate, and the separation filter screen is arranged on inclination
The top of dividing plate.
Using such scheme, debris will necessarily press during accumulation to filter screen, so as to cause to separate under filter screen
Portion bends, and pore size filter thereon is it can also happen that change causes silt to enter in clean water area；Bottom is used as by dividing plate
Support can then avoid this situation；And sewage is also given to precipitate with the time of abundance, and the laggard separation filter screen for crossing top,
Greatly reduce the filter pressure of separation filter screen.
More preferably：The bottom in the debris area is detachably provided with supporting plate with holes；Set below the supporting plate
Debris filter screen is equipped with, the lower end of the dividing plate is provided with connection debris filter screen underlying space and the water hole of clean water area.
Using such scheme, the water that dividing plate can be oriented in debris area can not drain, and ultimately result in bacteria breed；Pass through supporting plate
Hold in the palm the mode held by debris support up, and water therein is then by the filtering of the hole on supporting plate and debris filter screen, and
Enter clean water area by by its water hole, because it is not as the main thoroughfare of drainage, therefore even plug by slowly
The mode of infiltration leak does not interfere with overall draining yet.
More preferably：Covering is provided with stone above the supporting plate.
Using such scheme, stone preferably can filter out silt, reduce the pressure of debris filter screen.
More preferably：Backwash mechanism, the flush port of the backwash mechanism are provided with above the clean water area
Bath filter screen is provided with the top of separation filter screen and flush port.
Using such scheme, backwash mechanism can be cleared up separation filter screen, because separation filter screen is to tilt or erect
Straight, it can be cleared up attachment thereon by way of bath, to keep its drainage effect.Bath is set at flush port
Filter screen can avoid debris from entering in backwash mechanism, and flush port is due to relative with water inlet, and filter screen thereon is not easy to
Adhere to debris, can be cleared up during flushing.
More preferably：The backwash mechanism includes storage tank, and the bottom of the storage tank is provided with and clean water area
The blasthole of connection, it is provided with the blasthole and from top to bottom closes blasthole and with floating valve element waterborne and valve can be kept
The retainer that the endless total detachment blasthole of core moves up and down；The draining of the storage tank is slower than separation filter screen and crosses water.
Using such scheme, substantial amounts of silt is typically also only just had under the situation of waterlogging and is entered in rain water channel；
During this, the water level in rain water channel can cross the bottom of storage tank, be moved up by buoyancy valve element, and blasthole is beaten
Open, the interior water of clean water area enters in storage tank；Alleviate in waterlogging, when the water level in rain water channel is begun to decline, due to this
Valve element does not completely disengage blasthole all the time during individual, and water level decreasing also implies that will be from the outside draining of storage tank, now
Due to the effect of hydrostatic pressure, spool jams blasthole；Water in storage tank is only discharged from flush port, so as to reach cleaning
Effect.
More preferably：The deflector for avoiding water from directly impacting separation filter screen is detachably provided with the water inlet；
The rain perforaled strainer is connected to the top of deflector.
Using such scheme, rain perforaled strainer can not separate the debris such as some relatively small stone, spicules, pass through water conservancy diversion
The effect of plate can avoid these debris, and water from directly impacting separation filter screen, so as to be played a protective role to separation filter screen.
More preferably：The separation filter screen is two layers and both ends are respectively fixed with the bottom of dividing plate and storage tank and connected
Connect, wherein, the aperture of the filter bores of the separation filter screen of outer layer is more than the separation filter screen of internal layer.
Using such scheme, the filter screen of large aperture is relatively simple to manufacture and is also easy to obtain higher intensity, in outside
Can preferably it play to shock proof effect；And successively separate the pressure that can also reduce internal layer separation.
More preferably：The upper end of the dividing plate is bent to form towards the acclivitous guiding in clean water area to clean water area
Portion, the separation filter screen of internal layer are fixed on the top of the upper surface of guide part, and the separation filter screen of outer layer is fixed on the upper table of guide part
The bottom in face；The flush port is located at the outside of the separation filter screen of outer layer.
Using such scheme, backwash mechanism simultaneously can rinse the separation filter screen of internal layer, and lead to when rinsing
The upper surface for crossing guide part is washed away to debris area.
More preferably：The nitrogen phosphorus absorption being blocked in towards on the path of municipal pipeline is provided with the clean water area
Plate, the nitrogen phosphorus adsorption plate are provided with through hole, and are internally provided with the flyash being loaded in textile bag and activated carbon or carbonization straw
Stalk.
Using such scheme, by the absorption of nitrogen phosphorus adsorption plate, have on the basis of impurity screening to nitrogen P elements
Effect absorption, effectively reduce rainwater and polluted to caused by river course.
In summary, the invention has the advantages that：
1st, by the way of subregion filtering, avoid debris from being accumulated on filter screen, reduce the filter pressure of filter screen, keep the mistake of filter screen
Water rate, reduce and block；
2nd, by the way of automatic backwash, screen surface attachment is reduced, the water passing rate of filter screen is kept, reduces and block.
Brief description of the drawings
Fig. 1 is the water passage of embodiment 1 and its overall structure figure for blocking dirty sieve；
Fig. 2 is enlarged drawings of the Fig. 1 of embodiment 1 at A.
In figure, 1, rain water channel；2nd, mechanism is backwashed；3rd, filter screen is separated；4th, dividing plate；5th, nitrogen phosphorus adsorption plate；7th, municipal administration pipe
Road；11st, debris area；12nd, clean water area；13rd, water inlet；14th, rain perforaled strainer；15th, deflector；21st, storage tank；22nd, retainer；
23rd, valve element；24th, blasthole；25th, flush port；26th, bath filter screen；41st, guide part；61st, stone；62nd, supporting plate；63rd, debris is filtered
Net；64th, water hole.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the protection domain of invention by Patent Law.
A kind of rain water channel for early-stage rainwater filtering blocks dirty sieve, and as depicted in figs. 1 and 2, including bottom is managed with municipal administration
The rain water channel 1 that road 7 connects, its upper end are provided with water inlet 13, and the restocking of water inlet 13 is provided with rain perforaled strainer 14.Rain water channel 1
Debris area 11 and clean water area 12 including horizontal subdivision；Wherein debris area 11 is connected with water inlet 13, and clean water area 12 is managed with municipal administration
Road 7 connects.
It separates mainly is completed by dividing plate 4, separation filter screen 3 and storage tank 21.Dividing plate 4 is fixed on rain water channel 1
Bottom is simultaneously stood in rain water channel 1, and its upper end is bent to form towards the acclivitous guide part 41 in clean water area 12 to clean water area 12.
Separation filter screen 3 has two layers, and the separation filter screen 3 of internal layer is fixed on the top of the upper surface of guide part 41, and the separation filter screen 3 of outer layer is solid
Due to the bottom of the upper surface of guide part 41；Wherein, the aperture of the filter bores of the separation filter screen 3 of outer layer is more than the separation filter of internal layer
Net 3.Lower surface of the top of two separate filter screen 3 with storage tank 21 is fixed, and storage tank 21 is fixed on the interior of rain water channel 1
On wall.Sewage is after the entrance of water inlet 13, and by separating the separation of filter screen 3, debris is fallen into debris area 11；Water purification enters net
Simultaneously discharged by municipal pipeline 7 in pool 12.In addition, in order to avoid water or debris directly impact separation filter screen 3, in water inlet 13
Inner side is provided with deflector 15, and for deflector 15 in multistage complications to be bonded tight water inlet 13, rain perforaled strainer 14 is connected to deflector
The zigzag section at 15 top；By being oriented to, impact in the outer wall of storage tank 21 or is directly entered debris area 11 by water.
Storage tank 21 is a part for backwash mechanism 2；Storage tank 21 is provided with flush port 25 in the bottom in debris area 11,
Flush port 25 is located at the top of the outside of the separation filter screen 3 of outer layer, and bath filter screen 26 is provided with flush port 25.Storage tank 21
The blasthole 24 connected with clean water area 12 is provided with the bottom of clean water area 12, be provided with blasthole 24 from top to bottom close into
Water hole 24 and the retainer 22 that can be moved up and down with floating valve element 23 waterborne and the endless total detachment blasthole 24 of holding valve element 23；
When water level moves up, valve element 23 can be held by top；When water level decreasing, because the effect valve element 23 of hydrostatic pressure can seal
Blasthole 24 is closed, flush port 25 is necessarily slower than the draining of separation filter screen 3 in addition；The water of storage tank 21 drains water level to be lagged behind
Decline, so as to reach the effect of cleaning.
The bottom in debris area 11 is detachably provided with supporting plate 62 with holes；The covering of the top of supporting plate 62 is provided with stone 61.Support
The lower section of plate 62 is provided with debris filter screen 63, and the lower end of dividing plate 4 is provided with the underlying space of connection debris filter screen 63 and clean water area 12
Water hole 64.Drained with the water that this can be directed in debris area 11, and because it is not main water passage, therefore
Overall draining is not interfered with by way of slowly permeating leak yet even plugging.
The nitrogen phosphorus adsorption plate 5 being blocked in towards on the path of municipal pipeline 7, nitrogen phosphorus adsorption plate 5 are provided with clean water area 12
Through hole is provided with, and is internally provided with the flyash and activated carbon or carbonization stalk being loaded in textile bag；To adsorb the nitrogen in water
P elements.Either from separation filter screen 3 at enter or from water hole 64 enter water be required for into nitrogen phosphorus adsorption plate 5.
Claims (10)
1. a kind of rain water channel for early-stage rainwater filtering blocks dirty sieve, including bottom leads to the rainwater that municipal pipeline (7) connects
Road (1), it is characterized in that：The upper end of the rain water channel (1) is provided with water inlet (13), and water inlet (13) restocking is provided with rain
Leaf grating for down pipe (14), the debris area (11) connected with water inlet (13) of the rain water channel (1) including horizontal subdivision and with municipal administration
The clean water area (12) of pipeline (7) connection；The debris area (11) connects with the upper end open of rain water channel (1)；The debris area
(11) by setting separation filter screen (3) that is at least one layer of vertical or being tilted down towards debris area (11) between clean water area (12)
Connection.
2. a kind of rain water channel for early-stage rainwater filtering according to claim 1 blocks dirty sieve, it is characterized in that：The rain
The bottom of aquaporin (1) is vertically fixed dividing plate (4), and the separation filter screen (3) is arranged on the top of tilt clapboard (4).
3. a kind of rain water channel for early-stage rainwater filtering according to claim 2 blocks dirty sieve, it is characterized in that：It is described miscellaneous
The bottom in thing area (11) is detachably provided with supporting plate with holes (62)；Debris filter screen is provided with below the supporting plate (62)
(63), the lower end of the dividing plate (4) is provided with connection debris filter screen (63) underlying space and the water hole (64) of clean water area (12).
4. a kind of rain water channel for early-stage rainwater filtering according to claim 3 blocks dirty sieve, it is characterized in that：The support
Covering is provided with stone (61) above plate (62).
5. a kind of rain water channel for early-stage rainwater filtering according to claim 1 blocks dirty sieve, it is characterized in that：It is described net
Backwash mechanism (2) is provided with above pool (12), the flush port (25) of the backwash mechanism (2) is positioned at separation filter screen
(3) bath filter screen (26) is provided with top and flush port (25).
6. a kind of rain water channel for early-stage rainwater filtering according to claim 5 blocks dirty sieve, it is characterized in that：It is described anti-
Flushing machine (2) includes storage tank (21), and the bottom of the storage tank (21) is provided with the blasthole connected with clean water area (12)
(24), it is provided with the blasthole (24) and from top to bottom closes blasthole (24) and with floating valve element (23) waterborne and can protect
Hold the retainer (22) that the endless total detachment blasthole (24) of valve element (23) moves up and down；The draining of the storage tank (21) is slower than point
Water is crossed from filter screen (3).
7. a kind of rain water channel for early-stage rainwater filtering according to claim 6 blocks dirty sieve, it is characterized in that：It is described enter
The deflector (15) for avoiding water from directly impacting separation filter screen (3) is detachably provided with the mouth of a river (13)；The rain perforaled strainer (14)
It is connected to the top of deflector (15).
8. a kind of rain water channel for early-stage rainwater filtering according to claim 6 blocks dirty sieve, it is characterized in that：Described point
From filter screen (3) be two layers and bottom of the both ends respectively with dividing plate (4) and storage tank (21) is fixedly connected, wherein, point of outer layer
Aperture from the filter bores of filter screen (3) is more than the separation filter screen (3) of internal layer.
9. a kind of rain water channel for early-stage rainwater filtering according to claim 8 blocks dirty sieve, it is characterized in that：It is described every
The upper end of plate (4) is bent to form towards clean water area (12) acclivitous guide part (41), the separation of internal layer to clean water area (12)
Filter screen (3) is fixed on the top of the upper surface of guide part (41), and the separation filter screen (3) of outer layer is fixed on the upper table of guide part (41)
The bottom in face；The flush port (25) is located at the outside of the separation filter screen (3) of outer layer.
10. a kind of rain water channel for early-stage rainwater filtering according to claim 1-9 any one blocks dirty sieve, it is special
Sign is：The nitrogen phosphorus adsorption plate (5) being blocked in towards on the path of municipal pipeline (7) is provided with the clean water area (12), it is described
Nitrogen phosphorus adsorption plate (5) is provided with through hole, and is internally provided with the flyash and activated carbon or carbonization stalk being loaded in textile bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803837.3A CN107386413B (en) | 2017-09-08 | 2017-09-08 | It is a kind of for initial rainwater filtering rain water channel block dirty sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803837.3A CN107386413B (en) | 2017-09-08 | 2017-09-08 | It is a kind of for initial rainwater filtering rain water channel block dirty sieve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107386413A true CN107386413A (en) | 2017-11-24 |
| CN107386413B CN107386413B (en) | 2019-07-30 |
Family
ID=60349459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710803837.3A Active CN107386413B (en) | 2017-09-08 | 2017-09-08 | It is a kind of for initial rainwater filtering rain water channel block dirty sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107386413B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847328A (en) * | 2019-11-19 | 2020-02-28 | 春涛国际建筑有限公司 | Construction process of sewage collecting well |
| CN112411719A (en) * | 2020-11-06 | 2021-02-26 | 丁月平 | Gutter inlet wall basket convenient to clean sludge |
| CN113175066A (en) * | 2021-05-11 | 2021-07-27 | 平凉市新世纪建筑工程有限责任公司 | Municipal drainage system |
| CN113445612A (en) * | 2021-07-05 | 2021-09-28 | 南京科技职业学院 | Municipal drainage system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2397538A (en) * | 2003-01-23 | 2004-07-28 | G & K Valve Services Ltd | Filtration apparatus with automatic backflush |
| CN101812865A (en) * | 2010-03-19 | 2010-08-25 | 江苏大学 | Integrative environmentally-friendly gutter inlet |
| CN202122877U (en) * | 2011-06-17 | 2012-01-25 | 无锡市政设计研究院有限公司 | Device for filtering and purifying rain water |
| CN205206020U (en) * | 2015-12-23 | 2016-05-04 | 山东大学 | Be used for filterable rainwater water inlet of initial stage rainwater to block dirty sieve |
-
2017
- 2017-09-08 CN CN201710803837.3A patent/CN107386413B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2397538A (en) * | 2003-01-23 | 2004-07-28 | G & K Valve Services Ltd | Filtration apparatus with automatic backflush |
| CN101812865A (en) * | 2010-03-19 | 2010-08-25 | 江苏大学 | Integrative environmentally-friendly gutter inlet |
| CN202122877U (en) * | 2011-06-17 | 2012-01-25 | 无锡市政设计研究院有限公司 | Device for filtering and purifying rain water |
| CN205206020U (en) * | 2015-12-23 | 2016-05-04 | 山东大学 | Be used for filterable rainwater water inlet of initial stage rainwater to block dirty sieve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847328A (en) * | 2019-11-19 | 2020-02-28 | 春涛国际建筑有限公司 | Construction process of sewage collecting well |
| CN112411719A (en) * | 2020-11-06 | 2021-02-26 | 丁月平 | Gutter inlet wall basket convenient to clean sludge |
| CN113175066A (en) * | 2021-05-11 | 2021-07-27 | 平凉市新世纪建筑工程有限责任公司 | Municipal drainage system |
| CN113445612A (en) * | 2021-07-05 | 2021-09-28 | 南京科技职业学院 | Municipal drainage system |
| CN113445612B (en) * | 2021-07-05 | 2022-03-08 | 南京科技职业学院 | Municipal drainage system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107386413B (en) | 2019-07-30 |
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