CN109603243A - A kind of drainage pipeline grid device of chevaux-de-frise face blocking - Google Patents

A kind of drainage pipeline grid device of chevaux-de-frise face blocking Download PDF

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Publication number
CN109603243A
CN109603243A CN201910099173.6A CN201910099173A CN109603243A CN 109603243 A CN109603243 A CN 109603243A CN 201910099173 A CN201910099173 A CN 201910099173A CN 109603243 A CN109603243 A CN 109603243A
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CN
China
Prior art keywords
water
filter
drainage pipeline
grid screen
discharge outlet
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Application number
CN201910099173.6A
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Chinese (zh)
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CN109603243B (en
Inventor
周永潮
张仪萍
张土乔
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Zhejiang University ZJU
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Zhejiang University ZJU
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Priority to CN201910099173.6A priority Critical patent/CN109603243B/en
Publication of CN109603243A publication Critical patent/CN109603243A/en
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Publication of CN109603243B publication Critical patent/CN109603243B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/01Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with flat filtering elements
    • B01D29/03Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with flat filtering elements self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/88Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor having feed or discharge devices
    • B01D29/94Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/04Pipes or fittings specially adapted to sewers

Abstract

A kind of drainage pipeline grid device of chevaux-de-frise face blocking.The invention discloses a kind of drainage pipeline discharge outlet terminal filters, it is related to municipal drainage technical field, water body filtration area including having inlet and outlet pipes, it is equipped with partition water body filtration area in the water body filtration area and forms area to be filtered and the filter grid screen of filtering area, the axis of plane and water flow where the filter grid screen is in tilted layout;Drainage pipeline discharge outlet terminal filter of the invention, by increasing the risk that the while reduction of the grid face area of filter grid screen blocks for filter grid screen and water flow installation at an acute angle.

Description

A kind of drainage pipeline grid device of chevaux-de-frise face blocking
Technical field
The present invention relates to municipal drainage technical field, in particular to a kind of drainage pipeline discharge outlet terminal filter.
Background technique
Suspended matter is one of the important pollutant in rainfall runoff, especially leaf, fiber (hair, fabric), paper etc. Impurity, these suspended matters not only give receiving water body water quality band serious threat, on the other hand, these impurity be discharged into also to The landscape of water body causes very big negative effect.Therefore, drainage pipeline networks moderate rain, sewage carry out having for suspended matter before arranging river Effect removes and shuts off, and is of great significance to reduction receiving water body water pollution and landscape destruction.
A large amount of initial stage rain is carried out in developed country in order to solve separate system storm-water system initial rainwater pollution problem Water pollution control technical research has developed the initial rainwater end-o f-pipe -control device of many forms, such as Flogard, Hydro StormTrain series of products, Stormfilter, Highland Tank's Solids etc., these devices not only can be effective The bulky grains suspended matters such as leaf, fiber are removed, while also there is good removal effect to small particle suspended particulate, therefore become Drain the main means of purification.But these technologies are in removing rainwater when bulky grain suspended matter, mainly using netted Hanging Basket, The removing method of mesh grille, or using cleaning principles such as filterings, although to bulky grain suspended impurity and small particle suspension Grain has a good removal effect, but the larger suspended matter long-term accumulated such as leaf, fiber is at Hanging Basket or grid or filter layer Surface after longtime running, certainly will cause the components conveyance capacity such as strainer, grid to reduce and even block, thus to draining safety Cause very big threat.
To solve the above-mentioned problems, researcher proposes a kind of anticlogging filter device, notification number CN The patent document of 202430821 U discloses a kind of gully cleaning and filtering device, the gully cleaning and filtering device, mainly by Frame and strainer composition, the frame are in grid type, are formed with the cylindrical shape or square tube shape of bottom uncovered, and this columnar frame Diameter is more smaller than the internal diameter of round gully, and the height of frame is less than the depth of gully, and frame should be lower than row in gully The height of waterpipe covers dress strainer in the bottom of this frame and surrounding, in the hinged mounting knob of top ring or pin shaft of frame.
And the patent document of Publication No. CN102127929A disclose it is a kind of for prevent catch-basin collector nozzle block Rainwater well grid cleaning device, grille cover plate blocks when can effectively prevent rainy, protects urban environmental hygiene.Another publication number A kind of plain type sliding grid anti-blocking rain water mouth is disclosed for the patent document of CN102691350A, mainly includes inlet for stom water ontology And cover for rain, can the inlet for stom water that block by sundries of fast quick-recovery, so that its is restored water inlet ability, realize and quickly transmits road rain Water reduces excess surface water during heavy rain.
However above-mentioned apparatus or under well lid be arranged strainer or directly by well lid progress water body filtration, water body is all vertical It flings and hits filtering surface, impurity easily enters the mesh of filter screen and filter screen is caused to block, and the filtering of filter screen is caused to be imitated Fruit decline, or need often to clear up filter screen, labor intensive.
Summary of the invention
The present invention provides a kind of drainage pipeline discharge outlet terminal filter, filter screen is not easy to plug, impurity cleaning side Just.
A kind of drainage pipeline discharge outlet terminal filter, the water body filtration including having inlet and outlet pipes Area is equipped with partition water body filtration area in the water body filtration area and forms area to be filtered and the filter grid screen of filtering area, described The axis of plane and water flow where filter grid screen is in tilted layout.
When drainage pipeline discharge outlet terminal filter work of the invention, ground rainwater runoff by above-mentioned apparatus into Waterpipe, the sewage that flow is smaller, impurity is more are flat as where the filter grid screen from being connected to entrance with water inlet line The axis of face and water flow is in tilted layout, i.e. filter grid screen and water flow installation at an acute angle, therefore sewage will not vertical impact filtering Flase floor avoids blockage problem.
For the ease of collecting suspended matter, it is preferred that further include that peripheral wall is equipped with the strip gab extended along its length Floating material captures cylinder, and the filter grid screen is tangentially connected close to the side of water outlet and strip gab, the strip gab Towards water inlet water flow.Sewage captures cylinder by floating material after washing away filter grid screen to end and realizes eddy flow, suspended matter quilt It focuses in floating material capture cylinder.Water flow is acted on by filter grid screen, and the floating material bigger than the grid of filter grid screen obtains Removal is arrived.Meanwhile floating material enters the captured retention of floating material capture cylinder under flow action, is easy to remove.
Filter grid screen can be rotated around the axis of water flow changes arranged direction, in order to keep floating material capture cylinder vertical It arranges and deposits to bottom so as to the sundries for forming eddy flow, it is preferred that the filter grid screen is arranged vertically.
In order to facilitate manufacturing and install, it is preferred that the floating material capture cylinder is by the filter grid screen close to water outlet The side of mouth is crimped towards water inlet.
In order to facilitate the impurity for recycling and clearing up in grid cylinder, it is preferred that the bottom connection of the floating material capture cylinder Dismountable suspended matter collects basket.After impurity finally focuses on the middle part of floating material capture cylinder under long-term cyclonic action, fall The suspended matter for entering to be located at the bottom of floating material capture cylinder collects basket, and disassembly suspended matter collects basket, can sundries be excluded and be cleared up.
In order to be better protected from blocking while save space, it is preferred that plane and water flow where the filter grid screen The inclined angle of axis be 15 °~45 °.
In order to further prevent the blocking of suspended matter, it is preferred that the one side of filter grid screen towards the water inlet is fixed There are multiple bar shaped deflectors along flow direction ordered arrangement, one long side of bar shaped deflector is fixed and the relatively described filtering Flase floor is tilted towards water outlet direction.The setting of bar shaped deflector is the direct contact filtration flase floor of water flow in order to prevent, water flow Under the action of deflector, the plane tangent of mainstream and filter grid screen is formed, water body is from the grid egress filtering after deflector To filtering area.Meanwhile flow direction and the grid wall of floating material capture cylinder of the impurity with water flow under the action of deflector Surface is tangent in parallel, impurity will not vertical impact floating material capture cylinder barrel, avoid impurity in floating material capture cylinder Adhere in outlet and block outlet, it is ensured that the normal filter capacity of floating material capture cylinder.
In order to keep water flow and filter grid screen angle as small as possible, the filter grid screen is diagonally-installed, increases filter grid The grid face area of screen.
When the water flow of water inlet line is larger, and water level exceeds filter grid screen height, excessive water can be from filtering grid The overflow of plate top.
In order to keep water flow flowing smooth, guarantee circulation power, it is preferred that the inlet and outlet pipes are in level side It is oppositely arranged upwards.
In order to effectively guide water flow, it is preferred that one long side of bar shaped deflector is fixed and the relatively described filter grid screen Inclined angle is 15 °~45 °.It is further preferred that angle is 30 °~40 °.
Ensure the not direct impact filtration flase floor of water flow, it is preferred that adjacent bar shaped deflector is successively overlapped.
The length of bar shaped deflector is substantially consistent with the height of filter grid screen, and width is the 1/ of the height of filter grid screen 10~1/100.
The beneficial effects of the present invention are:
Drainage pipeline discharge outlet terminal filter of the invention, by by filter grid screen and water flow installation at an acute angle, The grid face area of filter grid screen is increased, meanwhile, bar shaped deflector is set in grid face influent side, guides water flow and grid face phase It cuts, the risk for preventing the grid face of filter grid screen to be blocked by floating material, and forms floating material in the tail portion of filter grid screen Cylinder is captured, is easy to capture floating material, is convenient to clean maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of filter grid screen of the invention.
Fig. 2 is the structural schematic diagram of drainage pipeline discharge outlet terminal filter of the invention under depression angle.
Fig. 3 is the structural schematic diagram of drainage pipeline discharge outlet terminal filter of the invention under horizontal view angle.
Specific embodiment
As shown in Figures 1 to 3, the drainage pipeline discharge outlet terminal filter of the present embodiment includes: with 1 He of water inlet line The water body filtration area of outlet conduit 2, water inlet line 1 and outlet conduit 2 are oppositely arranged in the horizontal direction.
The filter grid screen 3 with axis arrangement at an acute angle is equipped in water body filtration area, the tail portion of filter grid screen 3 is provided with Floating material captures cylinder 5, and filter grid screen 3 and the opening of floating material capture cylinder 5 are tangent.
3 influent side of filter grid screen arrangement installation bar shaped deflector 4, bar shaped deflector 4 and filter grid screen 3 are in 30~40 Degree overlaps installation.
In order to which when sewage quantity is larger, water flow is quickly discharged, filter grid screen 3 is highly controlled under design discharge most At high water level, convenient for overflow when big flow.
Dismountable suspended matter can be connected in the bottom of each floating material capture cylinder 5 and collects basket, and suspended matter is collected basket and used Netted sundries basket, for capturing the impurity of the filtering of filter grid screen 3.Impurity finally focuses on grid under long-term cyclonic action and catches It behind the middle part for obtaining cylinder 5, by sundries basket, can be removed, convenient for maintenance.
The course of work (arrow is water (flow) direction in figure) of the present embodiment:
When the discharge of sewage is smaller, water inlet water level is lower than filter grid screen 3, under the action of bar shaped deflector 4, water flow mainstream Along 3 grid face tangential flow of filter grid screen, it is ensured that the floating material of retention is without being adhered on the grid face of filter grid screen 3. Simultaneously under tangential flow action, the floating material of retention enters floating material capture cylinder 5, under cylinder inward eddy flow action, floating Object is difficult to escape again, convenient for the removing of floating material.
And when the discharge of sewage it is larger, greater than filter grid screen 3 peak level when, excessive sewage can from overflow grid face 3 overflow Stream, avoids impact of the big flow to grid face 3, while also ensuring that drainage efficiency.
In conclusion the drainage pipeline discharge outlet terminal filter of the present embodiment is by by filter grid screen 3 and water flow Installation at an acute angle increases grid face area, meanwhile, bar shaped deflector 4 is set in grid face influent side, guides water flow and grid face phase It cuts, the risk for preventing filter grid screen 3 to be blocked by floating material, the tail portion of filter grid screen 3 forms floating material and captures cylinder 5, easily In capture floating material, it is convenient to clean maintenance.

Claims (9)

1. a kind of drainage pipeline discharge outlet terminal filter, the water body filtration area including having inlet and outlet pipes, Area to be filtered is formed equipped with partition water body filtration area in the water body filtration area and the filter grid screen of filtering area, feature exist In the axis of plane and water flow where the filter grid screen is in tilted layout.
2. drainage pipeline discharge outlet terminal filter according to claim 1, which is characterized in that further include being set on peripheral wall There are the floating material capture cylinder of the strip gab extended along its length, side and item of the filter grid screen close to water outlet Shape opening is tangentially connected, the strip gab direction water inlet water flow.
3. drainage pipeline discharge outlet terminal filter according to claim 2, which is characterized in that the filter grid screen Vertical arrangement.
4. drainage pipeline discharge outlet terminal filter according to claim 2, which is characterized in that the floating material capture Cylinder is crimped close to the side of water outlet towards water inlet by the filter grid screen.
5. drainage pipeline discharge outlet terminal filter according to claim 3, which is characterized in that the floating material capture The bottom of cylinder connects dismountable suspended matter and collects basket.
6. drainage pipeline discharge outlet terminal filter, feature described in any claim exist according to claim 1~5 In the inclined angle of axis of plane and water flow where the filter grid screen is 15 °~45 °.
7. drainage pipeline discharge outlet terminal filter according to claim 1, which is characterized in that the filter grid screen It is fixed with multiple bar shaped deflectors along flow direction ordered arrangement on one side towards water inlet, the bar shaped deflector one is long While fix and the relatively described filter grid screen towards water outlet direction tilt.
8. drainage pipeline discharge outlet terminal filter according to claim 7, which is characterized in that the bar shaped deflector One long side is fixed and the relatively described inclined angle of filter grid screen is 15 °~45 °.
9. drainage pipeline discharge outlet terminal filter according to claim 7, which is characterized in that adjacent bar shaped water conservancy diversion Plate is successively overlapped.
CN201910099173.6A 2019-01-31 2019-01-31 Drainage pipeline grating device for preventing grating surface from being blocked Active CN109603243B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910099173.6A CN109603243B (en) 2019-01-31 2019-01-31 Drainage pipeline grating device for preventing grating surface from being blocked

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Application Number Priority Date Filing Date Title
CN201910099173.6A CN109603243B (en) 2019-01-31 2019-01-31 Drainage pipeline grating device for preventing grating surface from being blocked

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CN109603243B CN109603243B (en) 2020-06-19

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201775992U (en) * 2010-09-03 2011-03-30 兰州交通大学 Desanding device for treating high-concentration and multi-gradation rainwater runoff
CN103774742A (en) * 2014-01-02 2014-05-07 浙江大学 Drainage pipeline grating device
CN205832711U (en) * 2016-05-30 2016-12-28 金华市清水源环保科技有限公司 A kind of first time defecator of cesspool
CN207313169U (en) * 2017-09-22 2018-05-04 王惠芬 A kind of interior influent stream web plate grid with guided constraint device
CN207435072U (en) * 2017-11-01 2018-06-01 东莞市绿岛环保科技有限公司 A kind of grid decontamination system
KR20180120926A (en) * 2017-04-28 2018-11-07 강승구 Grating

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201775992U (en) * 2010-09-03 2011-03-30 兰州交通大学 Desanding device for treating high-concentration and multi-gradation rainwater runoff
CN103774742A (en) * 2014-01-02 2014-05-07 浙江大学 Drainage pipeline grating device
CN205832711U (en) * 2016-05-30 2016-12-28 金华市清水源环保科技有限公司 A kind of first time defecator of cesspool
KR20180120926A (en) * 2017-04-28 2018-11-07 강승구 Grating
CN207313169U (en) * 2017-09-22 2018-05-04 王惠芬 A kind of interior influent stream web plate grid with guided constraint device
CN207435072U (en) * 2017-11-01 2018-06-01 东莞市绿岛环保科技有限公司 A kind of grid decontamination system

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