CN105056616B - Rain water filtering device - Google Patents
Rain water filtering device Download PDFInfo
- Publication number
- CN105056616B CN105056616B CN201510418555.2A CN201510418555A CN105056616B CN 105056616 B CN105056616 B CN 105056616B CN 201510418555 A CN201510418555 A CN 201510418555A CN 105056616 B CN105056616 B CN 105056616B
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- China
- Prior art keywords
- collection tube
- central collection
- filter
- filter medium
- rainwater
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000001914 filtration Methods 0.000 title claims abstract description 38
- 239000011148 porous material Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 12
- 231100000719 pollutant Toxicity 0.000 abstract description 12
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 3
- 239000005416 organic matter Substances 0.000 abstract description 3
- 239000013618 particulate matter Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000013327 media filtration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
- Water Treatment By Sorption (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of rain water filtering device, including support baseboard and cover plate, outer cartridge filter and central collection tube are coaxially fixed with support baseboard, cover plate is covered at the top of outer cartridge filter, central collection tube via is provided with cover plate, discharge outlet is provided with support baseboard, central collection tube top passes from central collection tube via, draining cavity is surrounded on the inside of central collection tube, central collection tube bottom connects with discharge outlet, filter medium is provided between outer cartridge filter and central collection tube, some water holes are provided with central collection tube wall, and each layer water hole gross area is incremental or equal from the bottom up.The present invention extends the time of contact of rainwater and lower end filter medium, also enable filter upper end filter medium be fully utilized to, greatly improve the utilization rate of filter medium, sufficiently contacted so that rainwater has with filter medium, the pollutants such as particulate matter, heavy metal and the organic matter in rainwater are effectively eliminated, realize qualified discharge or the reuse of rainwater.
Description
Technical field
The present invention relates to device for treating rain water, in particular to a kind of rain water filtering device.
Background technology
With the quickening of urbanization process, Permeable stratum area is increasing on ground, pollutant at these fluid-tightly
Built up on face, when rainfall, pollutant is poured rainfall runoff system and forms rainwater runoff pollution, rain by rain drop erosion ground
Water runoff pollution is a kind of diffusion contact scar, then into natural water, causes water pollution, and pollutant therein includes
The poisonous and harmful substances such as grain thing, organic matter, heavy metal.Therefore, urbanization process and industrialization development cause water source judgment and rain
Flood endangers getting worse.
With water source judgment and the aggravation of rain flood harm, rainwater is subject to Collection utilization and carries out the comprehensive regulation as water resource
Turn into important emerging problem.In overall city planning, most of combined drainage system that the past uses is changed a social system,
It is changed to separate system or the drainage system processed that dams.Serious with urban atmospheric pollution and ground pollution, rainwater runoff pollution is further
Seriously, especially the more early-stage rainwater of pollutant, the pollutant index peak of the early-stage rainwater of certain areas are much high
In typical urban sanitary sewage.Therefore, it is necessary to early-stage rainwater is handled.
Collection processing of the China at present to early-stage rainwater is scarcely out of swaddling-clothes, and collects early-stage rainwater and does not allow only it to arrange
Enter water pollution water quality, and the purified treatment and reuse for early-stage rainwater then seldom consider, majority is directly discharged into municipal life
Sewage network.The pollutant concentration contained in early-stage rainwater is higher, especially road early-stage rainwater, is directly discharged into sanitary sewer
Net can bring larger load to sewage plant.
The content of the invention
Present invention aim to provide a kind of rain water filtering device, the dirt in early-stage rainwater can be greatly reduced in the filter
Thing content is contaminated, realizes rainwater qualified discharge or reuse, and filtration device structure is simple, easy for installation.
To achieve the above object, the technical solution adopted by the present invention is：A kind of rain water filtering device, including support baseboard and lid
Plate, outer cartridge filter and central collection tube is coaxially fixed with the support baseboard, the cover plate is covered in the outer cartridge filter top
Portion, central collection tube via is provided with the cover plate, discharge outlet is provided with the support baseboard, the central collection tube top is worn
Enter the central collection tube via, surround draining cavity on the inside of the central collection tube, the central collection tube bottom with it is described
Discharge outlet connects, and filter medium is provided between the outer cartridge filter and central collection tube, if being provided with the central collection tube wall
Dry water hole, and each layer water hole gross area is incremental or equal from the bottom up.
The present invention carries out multi-filtering using screen pack and multiple layer filter media to rainwater, and by central collection tube
Ingenious arrangement water hole, the perforate gross area of the water hole on central collection tube wall are incremented by or equal from lower floor toward upper strata, when
When water level outside filter is relatively low, rainwater enters central collection tube from the bottom of filter, due to central collection tube lower floor mistake
The water hole gross area is small, limits the rainwater flow into central collection tube to a certain extent so that on outside rainwater water level
Rise, so not only extend time of contact of rainwater and lower end filter medium, also enable the filter medium quilt of filter upper end
Make full use of, so as to greatly improve the utilization rate of filter medium, extend the time of contact of rainwater and filter medium so that
Rainwater has with filter medium sufficiently to be contacted, and can effectively remove the pollutants such as particulate matter, heavy metal and organic matter in rainwater,
The qualified discharge or reuse for realizing rainwater (when the perforate gross area of the water hole on each layer central collection tube wall is equal, pass through
Limitation discharge outlet flow can also ensure that upper level filter medium is fully utilized)；When filter does not work, external source can lead to
Cross at the top of central collection tube and enter draining cavity to filter medium progress back flush, will can be filtered by back flush effect
The pollutant of medium retention goes out filter, improves the penetrating power of filter medium；In filter normal work, central collection
Pipe open top can also play a part of overflow collection mouth；When rainfall is very big, rainwater can be directly at the top of central collection tube
Opening enters draining cavity, ensures the normal work of filter；This filter without exterior power, can automatic running, structure letter
List, making are easy, easy for installation, and cost is cheap.
Further, the aperture of the water hole on the central collection tube wall is consistent, each layer water hole quantity
It is incremented by from the bottom up.
Further, the pore size of the water hole on the central collection tube wall differs, each layer water hole
The gross area is incremented by from the bottom up.
Further, outer screen pack and interior mistake are sequentially coaxially fixed with from outside to inside between the outer cartridge filter and central collection tube
Filter screen, the filter medium are placed between the outer screen pack and the filtering net.
Further, the filter medium is in granular form, and its grain diameter is respectively greater than the outer screen pack and the interior mistake
The mesh aperture of filter screen.
Further, the grain diameter of the filter medium in outside is more than the grain diameter of the filter medium of inner side.
Further, drainpipe is connected with the discharge outlet, the drainpipe is provided with excess-flow valve.Under drainpipe
Trip is provided with excess-flow valve, rainwater can be made to have with filter medium by limiting rate of discharge and sufficiently contact, reach and effectively go
The purpose of depollution thing；Simultaneously as rate of discharge is limited, water level rise so that whole filtering medium layer can be abundant
Utilize, so as to further improve the utilization rate of filter medium.
Further, sealed or provided with openable overflow collection mouth filter screen at the top of the central collection tube.It is very big in rainfall
When, rainwater directly can enter draining cavity through the overflow collection mouth filter screen at the top of central collection tube, can not only improve and pass through filtering
The rainwater flow of device, and overflow collection mouth filter screen can retain the floating object and suspension in rainwater, lift the mistake of filter
Filter effect.
Further, the outer cartridge filter, the outer screen pack and the filtering net are in cylinder, square tube or polygon net cylinder
Shape.
Further, the central collection tube is in pipe, square tube or polygon tubulose.
Brief description of the drawings
Fig. 1 is a kind of cross section structure diagram of rain water filtering device.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, is easy to more clearly understand the present invention, but they
The present invention is not formed and limited.
Rain water filtering device as shown in Figure 1, including support baseboard 101 and cover plate 102, support baseboard 101 and cover plate 102 are equal
It is waterproof, outer cartridge filter 103, outer screen pack 107, filtering net 108 are sequentially coaxially fixed with support baseboard 101 from outside to inside
With central collection tube 104, foregoing each structural member is made by resistant material；Pacify between outer screen pack 107 and filtering net 108
Filter medium 106 is placed with, cover plate 102 is covered in the top of outer cartridge filter 103, outer screen pack 107 and filtering net 108, cover plate
102 can dismantle, and when pulling down cover plate 102, can change filter medium 106, central collection tube via 102- is provided with cover plate 102
1, the center of support baseboard 101 is provided with discharge outlet 101-1, and the top of central collection tube 104 penetrates central collection tube via 102-1, i.e.,：
The top of central collection tube 104 can pass central collection tube via 102-1, can also be kept with central collection tube via 102-1
Level, the inner side of central collection tube 104 surround draining cavity 105, and the bottom of central collection tube 104 connects with discharge outlet 101-1, draining
Drainpipe 109 is connected with mouth 101-1, drainpipe 109 is provided with excess-flow valve 110, if being provided with the tube wall of central collection tube 104
Dry water hole 104-1, each layer water hole 104-1 gross areas are incremental or equal from the bottom up, wherein, the tube wall of central collection tube 104
On water hole 104-1 pore size can be different, can also aperture it is consistent, the water hole on the tube wall of central collection tube 104
When 104-1 pore sizes are consistent, each layer water hole 104-1 quantity is incremented by from the bottom up, and the top of central collection tube 104 is provided with and can opened
The overflow collection mouth filter screen 111 opened.Wherein, outer cartridge filter 103, outer screen pack 107 and filtering net 108 can be in cylinder, side
Cylinder or polygon net cylinder shape；Central collection tube 104 can be in pipe, square tube or polygon tubulose；This rain water filtering device can save outer
Screen pack 103 and filtering net 108, in this case, the central collection tube mistake on outer cartridge filter 103 and central collection tube 104
Hole 102-1 will ensure that filter medium 106 does not pass through outer cartridge filter 103 and central collection tube 104.
In such scheme, filter medium 106 is in granular form, can be by compost, vermiculite, perlite, sand, zeolite, peat etc.
In one or more of compositions, can be also made up of the material such as activated carbon and ion-exchanger of made multi-pore channel,
Its grain diameter is respectively greater than the mesh aperture of outer screen pack 107 and filtering net 108, to ensure that filter medium 106 will not be from
Spilt between outer screen pack 107 and filtering net 108；When filter medium 106 is using multiple material, filter medium 106 can be by not
It is divided into multilayer in the horizontal direction with species and different-grain diameter, close to the particle of the filter medium 106 of the outer side of screen pack 107
Footpath is bigger than the grain diameter particle diameter of filter medium 106 of the close side of filtering net 108.
The course of work of above-mentioned rain water filtering device is as follows：Filter normal filtration work when, rainwater outside filter according to
Secondary to enter filter medium 106 by outer cartridge filter 103 and outer screen pack 107, the rainwater after filtered media filtration passes through successively again
The water hole 104-1 crossed on filtering net 108 and central collection tube 104 enters draining cavity 105, passes through in draining cavity 105
Discharged again by drainpipe 109 in rainwater after filter processing, wherein, the perforate of the water hole 104-1 on the tube wall of central collection tube 104
The gross area is to be incremented by from lower floor toward upper strata or equal, and when the water level outside filter is relatively low, rainwater is from the bottom of filter
Into central collection tube 104, because the central collection tube lower floor water hole 104-1 gross areas are small, limit to a certain extent into
Enter the rainwater flow of central collection tube 104 so that outside rainwater water level rises, and the filter medium of such filter upper end is with regard to energy
Be fully utilized to；Meanwhile excess-flow valve 110 is provided with the downstream of drainpipe 109, it can make rain by limiting rate of discharge
Water has with filter medium 106 sufficiently to be contacted, and reaches the purpose for effectively removing pollutant；With the continuous rising of water level, serve as
When water level outside filter reaches the top of central collection tube 104, later stage rainwater just directly enters from the top of central collection tube 104
Entering draining cavity 105, (when rainfall is very big, the top of central collection tube 104 can also be used as overflow collection mouth, and rainwater is directly therefrom
The top of heart collecting pipe 104 enters draining cavity 105), the overflow collection mouth filter screen 111 at the top of central collection tube 104 can be cut
Stay the floating object and suspension in rainwater, whole filter process not only ensure that fully connecing for rainwater and filter medium 106
Touch, can effectively remove the pollutant in rainwater, also ensure that the treatment effeciency of filter；Terminate in dmp filter processing procedure
Afterwards, filter medium 106 can be contaminated thing to a certain extent and block, and remove openable overflow collection mouth filter screen 111, and close stream
Amount limitation valve 110, filter is rinsed from the top of central collection tube 104 with external source, can be by filter medium 106
The pollutant of retention goes out filter, improves the penetrating power of filter medium 106.
This filter multiple in vertical direction can be overlapped, and a big filter be formed, to adapt to compared with deep water level
Rainwater treatment demand.
Claims (7)
1. a kind of rain water filtering device, including support baseboard (101) and cover plate (102), it is characterised in that：The support baseboard
(101) outer cartridge filter (103) and central collection tube (104) are coaxially fixed with, the cover plate (102) is covered in the outer filtering
At the top of cylinder (103), central collection tube via (102-1) is provided with the cover plate (102), is provided with the support baseboard (101)
Discharge outlet (101-1), central collection tube (104) top penetrate the central collection tube via (102-1), and the center is received
Draining cavity (105) is surrounded on the inside of collector (104), central collection tube (104) bottom connects with the discharge outlet (101-1)
It is logical, filter medium (106), the central collection tube (104) are provided between the outer cartridge filter (103) and central collection tube (104)
Some water holes (104-1) are provided with tube wall, the aperture of the water hole (104-1) is consistent, each layer water hole (104-1)
Quantity is incremented by from the bottom up, or the pore size of the water hole (104-1) differs, the total face of each layer water hole (104-1)
Product is incremented by from the bottom up；Openable overflow collection mouth filter screen (111) is provided with the top of the central collection tube (104).
2. rain water filtering device according to claim 1, it is characterised in that：The outer cartridge filter (103) and central collection tube
(104) outer screen pack (107) and filtering net (108), filter medium (106) peace are sequentially coaxially fixed between from outside to inside
It is placed between the outer screen pack (107) and the filtering net (108).
3. rain water filtering device according to claim 2, it is characterised in that：The filter medium (106) is in granular form, its
Grain particle diameter is respectively greater than the mesh aperture of the outer screen pack (107) and the filtering net (108).
4. the rain water filtering device according to claim 1 or 3, it is characterised in that：Of the filter medium (106) in outside
Grain particle diameter is more than the grain diameter of the filter medium (106) of inner side.
5. rain water filtering device according to claim 1, it is characterised in that：Drainpipe is connected with the discharge outlet (101-1)
(109), the drainpipe (109) is provided with excess-flow valve (110).
6. rain water filtering device according to claim 2, it is characterised in that：The outer cartridge filter (103), the outer screen pack
(107) and the filtering net (108) is in cylinder or polygon net cylinder shape.
7. rain water filtering device according to claim 1, it is characterised in that：The central collection tube (104) is in pipe or more
Side tubulose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510418555.2A CN105056616B (en) | 2015-07-16 | 2015-07-16 | Rain water filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510418555.2A CN105056616B (en) | 2015-07-16 | 2015-07-16 | Rain water filtering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105056616A CN105056616A (en) | 2015-11-18 |
| CN105056616B true CN105056616B (en) | 2018-01-12 |
Family
ID=54486258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510418555.2A Active CN105056616B (en) | 2015-07-16 | 2015-07-16 | Rain water filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105056616B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435495B (en) * | 2015-12-02 | 2017-12-19 | 武汉美华禹水环境有限公司 | A kind of efficient rain water filtering device |
| CN105498334B (en) * | 2016-01-26 | 2017-12-05 | 武汉美华禹水环境有限公司 | A kind of ready-package multistep treatment rain water filtering device |
| CN106904759A (en) * | 2017-03-29 | 2017-06-30 | 广东亘盈环保实业集团有限公司 | A kind of urban rainwater processing unit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286645Y (en) * | 1997-01-29 | 1998-07-29 | 何子冀 | Multi-stage fine-filtering device |
| EP2155356A4 (en) * | 2007-06-14 | 2011-04-06 | Stanadyne Corp | Filter assembly center tube with upstream diverter |
| CN101658738B (en) * | 2009-09-14 | 2011-05-25 | 焦保安 | Fine filtering decolorizer and fine filtering decolorizing device of oil filter |
| KR100943022B1 (en) * | 2009-09-14 | 2010-02-18 | 이영수 | A sanitation facilities of first fall rain water using filter cartridge |
| CN102512872B (en) * | 2011-12-20 | 2014-02-05 | 北京建筑工程学院 | High speed on-line vertical rainwater filter |
| CN204865234U (en) * | 2015-07-16 | 2015-12-16 | 武汉圣禹排水系统有限公司 | Rain water filtering device |
-
2015
- 2015-07-16 CN CN201510418555.2A patent/CN105056616B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105056616A (en) | 2015-11-18 |
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Effective date of registration: 20160427 Address after: 430056 No. 189, North Road, Wuhan economic and Technological Development Zone, Hubei Applicant after: WUHAN MEIHUA YUSHUI ENVIRONMENT Co.,Ltd. Address before: 430056 Hubei city of Wuhan province Wuhan economic and Technological Development Zone Science and Technology Industrial Park Yang Dun Applicant before: WUHAN SHENGYU DRAINAGE SYSTEM Co.,Ltd. |
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Effective date of registration: 20231228 Address after: No. 509 Weihu Road, Shamao Street, Hannan District, Wuhan City, Hubei Province, 430090 Patentee after: Wuhan Shengyu Smart Ecological Environmental Protection Co.,Ltd. Address before: No. 189 Quanli North Road, Wuhan Economic and Technological Development Zone, Hubei Province, 430056 Patentee before: WUHAN MEIHUA YUSHUI ENVIRONMENT Co.,Ltd. |