CN116397720A - Rainwater filtering and recycling system and working method thereof - Google Patents
Rainwater filtering and recycling system and working method thereof Download PDFInfo
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- CN116397720A CN116397720A CN202310381559.2A CN202310381559A CN116397720A CN 116397720 A CN116397720 A CN 116397720A CN 202310381559 A CN202310381559 A CN 202310381559A CN 116397720 A CN116397720 A CN 116397720A
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- 238000001914 filtration Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004064 recycling Methods 0.000 title abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 14
- 239000013049 sediment Substances 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims description 7
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
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- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention relates to the technical field of rainwater recovery equipment, in particular to a rainwater filtering and recovering system and a working method thereof. The invention provides a rainwater filtering and recycling system, wherein a collecting cover is fixed above a filtering part, and the upper end of the collecting cover is open; the filtering part is columnar and is suitable for filtering sediment particles in the rainwater; the secondary filter box is arranged at the water outlet end of the filter part and is suitable for filtering rainwater again; the equidistant ring of a plurality of collection portions collects the cover circumference setting, and wherein, collection portion is suitable for gathering the rainwater and makes it flow into in the collection cover after converging. The collecting cover, the outer collecting piece and the inner flow guiding piece are matched, and the inner flow guiding piece and the outer collecting piece are arranged in opposite radians, so that rainwater blown into the side wall of the inner flow guiding piece by wind force can be intercepted and guided to flow into the filtering part; the rainwater collecting effect on the unit area is improved, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of rainwater recovery equipment, in particular to a rainwater filtering and recovering system and a working method thereof.
Background
The rainwater is recovered, and the rainwater is collected according to the requirements and treated to reach a system meeting the design and use standards. Two defects are caused in rainwater recycling, namely, a collection cover with large occupied area is needed to collect rainwater, more collection covers are needed to be arranged for improving the bearing surface of the rainwater, and the cost of rainwater recycling can be improved in the mode; secondly, the collected rainwater is filtered, dust sand in the rainwater is filtered in a sedimentation mode of a sedimentation tank in the traditional method, but the mode also causes larger occupied area of a rainwater recovery system; therefore, it is necessary to develop a rainwater filtration and recovery system with a small floor space and high recovery efficiency and a working method thereof.
Disclosure of Invention
The invention aims to provide a rainwater filtering and recycling system and a working method thereof.
In order to solve the technical problems, the invention provides a rainwater filtering and recycling system, which comprises:
the device comprises a collecting cover, a filtering part, a secondary filtering box and a plurality of collecting parts, wherein the collecting cover is fixed above the filtering part, and the upper end of the collecting cover is open;
the filtering part is columnar and is suitable for filtering sediment particles in rainwater;
the secondary filter box is arranged at the water outlet end of the filter part and is suitable for filtering rainwater again;
the collecting parts are circumferentially arranged at equal intervals around the collecting cover, wherein,
the collecting part is suitable for collecting rainwater and enabling the rainwater to flow into the collecting cover after converging.
Preferably, the acquisition unit includes: the device comprises a supporting column, an upper limiting frame, a lower collecting hopper and a plurality of outer collecting pieces, wherein the upper limiting frame is arranged above the lower collecting hopper, the supporting column is fixed between the upper limiting frame and the lower collecting hopper, and the lower end of the supporting column is fixed on the collecting cover;
the water outlet of the lower collecting hopper faces the collecting cover;
the outer collecting pieces are arranged circumferentially at equal intervals around the upper limit frame, and are arc-shaped; wherein, the liquid crystal display device comprises a liquid crystal display device,
the outer collecting piece is suitable for guiding rainwater to fall into the collecting hopper;
rainwater is converged by the collecting hopper and flows into the filtering part through the collecting cover.
Preferably, the collecting part further comprises a plurality of inner flow guiding pieces, and the inner flow guiding pieces are arranged on the inner sides of the outer collecting pieces;
the inner flow guiding piece is arc-shaped, and the arc angle of the inner flow guiding piece is opposite to that of the outer collecting piece.
Preferably, the inner guide member is arranged along the radial outer scattering shape of the upper limit frame, and the inner guide member is suitable for intercepting rainwater after rainwater enters through the inner wall of the outer collecting member.
Preferably, the outer collecting member includes: the collecting device comprises an upper limit bar, a collecting guard board and a lower collecting guide bar, wherein the upper limit bar is fixed at the upper end of the collecting guard board, and the upper end of the upper limit bar is fixed on the upper limit frame;
the collecting guard plate is rectangular and is bent to be arc-shaped along the width direction;
the lower collection guide strip is fixed at the lower end of the collection guard plate, and the thickness of the lower collection guide strip is larger than that of the collection guard plate.
Preferably, two guide grooves are formed in the lower collecting guide bar, close to the side wall of the collecting guard plate, and the guide grooves are suitable for collecting rainwater sliding off the side wall of the collecting guard plate.
Preferably, a guide opening is formed at one end of the lower collecting guide strip, and the guide opening is arranged at one end of the lower collecting guide strip, which is close to the inner guide piece.
Preferably, a gap is arranged between the inner guide member and the outer collecting member, and one inner guide member corresponds to at least two outer collecting members.
Preferably, the filter unit includes: the device comprises a plurality of particle layers, a plurality of filter layers and a plurality of guide pipes, wherein one particle layer corresponds to one filter layer, and the filter layers are arranged below the corresponding particle layers;
the particle size of one particle layer positioned above is larger than that of one particle layer positioned below;
the particle size of the upper filter layer is larger than that of the lower filter layer;
the honeycomb ducts are vertically arranged on the filter layer, and two ends of the honeycomb ducts face two particle layers respectively.
On the other hand, the invention also provides a working method of the rainwater filtering and recycling system, when in rainfall, the collecting cover is suitable for collecting falling rainwater, the falling rainwater is collected by the collecting cover in a windless or less wind power state, the collecting cover conveys the converged rainwater to the filtering part, the filtering part can filter impurities in the rainwater, and the rainwater is recycled after being filtered by the secondary filtering box; the collecting part collects rainwater mainly through the horizontal plane angles of the inner guide piece and the outer collecting piece;
when the wind power is larger than breeze and smaller than high wind during rainfall, the wind power blows the rainwater to fall from top to bottom in a larger slope, at the moment, the collecting cover has poor collecting effect on the rainwater on the horizontal plane, the inner guide piece and the outer collecting piece which are arranged above the collecting cover are mutually matched, the rainwater is intercepted and collected from the vertical plane, the inner guide piece and the outer collecting piece which are annularly arranged are mutually matched, and more rainwater can be intercepted and guided to fall into the collecting cover;
in the process that rainwater flows from the upper end of the filtering part to the lower end, the particle layer is matched with the filtering layer, the effect of gradually improving the filtering precision is realized, and the filtered rainwater is recovered and used through the secondary filtering box after meeting the use standard.
The rainwater filtering and recycling system has the beneficial effects that the rainwater is collected by the collecting cover, the outer collecting piece and the inner guide piece when the wind force is small; when the wind force is large, the cooperation of the outer collecting piece and the inner guide piece can realize that the vertical surface collects rainwater, and the opposite radians of the inner guide piece and the outer collecting piece are arranged, so that the rainwater blown into the side wall of the inner guide piece by the wind force can be intercepted and guided to flow into the filtering part; the rainwater collecting effect on the unit area is improved, and the working efficiency is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of a preferred embodiment of a stormwater filtration recovery system in accordance with the present invention;
fig. 2 is a perspective view of the acquisition unit of the present invention;
FIG. 3 is a top view of the acquisition unit of the present invention;
FIG. 4 is a perspective view of an outer acquisition member of the present invention;
FIG. 5 is an internal cross-sectional view of a filter portion of the present invention;
fig. 6 is a top view of the collection hood of the present invention.
In the figure:
1. a collection cover; 11. ribs; 12. a stop bar; 2. a filtering part; 21. a particle layer; 22. a filter layer; 23. a flow guiding pipe; 3. a secondary filter box;
4. an acquisition unit; 41. a support column; 42. an upper limit frame; 43. a lower collection hopper; 44. an outer collection member; 441. an upper limit bar; 442. collecting a guard board; 443. collecting guide strips downwards; 444. a guide groove; 445. a diversion port; 45. an inner flow guide.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
In a first embodiment, as shown in fig. 1 to 6, the present invention provides a rainwater filtering and recovering system, including: the device comprises a collecting cover 1, a filtering part 2, a secondary filtering box 3 and a plurality of collecting parts 4, wherein the collecting cover 1 is fixed above the filtering part 2, and the upper end of the collecting cover 1 is open; the upper surface of the collecting cover 1 is fixedly provided with a plurality of ribs 11, the ribs 11 are radially arranged along the collecting cover 1, two sides of each rib 11 are respectively provided with a plurality of baffle strips 12, the baffle strips 12 are in a herringbone shape, gaps are arranged between the baffle strips 12 and the ribs 11, and the baffle strips 12 and the ribs 11 are arranged to prevent rainwater from flowing downwards along the surface of the collecting cover 1 from flowing at a flow rate, so that the phenomenon that the rainwater is concentrated at the water inlet end of the filtering part 2 due to excessive rainwater quantity in unit time can be avoided; the arrangement of the ribs 11 can reduce the influence of wind power on the rainwater above the collecting cover 1 when the wind power is large, so that the rainwater falling on the collecting cover 1 cannot be blown away by the wind power; the filtering part 2 is columnar, and the filtering part 2 is suitable for filtering sediment particles in rainwater; the inside of the filtering part 2 is hollow, a plurality of filtering layers 22 and particle layers 21 are arranged in the filtering part 2, and in the process that rainwater flows downwards from top to bottom, the particles such as sediment, dust and the like in the rainwater can be removed after passing through each filtering layer 22 and particle layer 21; the secondary filter box 3 is arranged at the water outlet end of the filter part 2, and the secondary filter box 3 is suitable for filtering rainwater again; the collecting parts 4 are arranged circumferentially around the collecting cover 1 at equal intervals, wherein the collecting parts 4 are suitable for collecting rainwater so as to flow into the collecting cover 1 after converging. The collecting cover 1 and the collecting part 4 are matched, so that the effect of collecting more rainwater when the wind power is high or low can be realized, the falling rainwater is collected by the collecting cover 1 in the condition that the wind power is no wind or less than the breeze, the collecting cover 1 conveys the converged rainwater to the filtering part 2, the filtering part 2 can filter impurities in the rainwater, and the rainwater is recovered for use after being filtered by the secondary filtering box 3; the collecting part 4 collects rainwater mainly through the horizontal plane angle of the inner guide piece 45 and the outer collecting piece 44; when the wind power is larger than breeze and smaller than high wind in rainfall, the wind power blows the rainwater to fall from top to bottom in a larger slope, at the moment, the collecting cover 1 has poor collecting effect on the rainwater on the horizontal plane, the inner guide piece 45 and the outer collecting piece 44 which are arranged above the collecting cover 1 are mutually matched, the rainwater is intercepted and collected from the vertical plane, and the inner guide piece 45 and the outer collecting piece 44 which are annularly arranged are mutually matched, so that more rainwater can be intercepted and guided to fall into the collecting cover 1; the working efficiency is improved.
In order to facilitate the collection of rainwater in the longitudinal direction, the collecting portion 4 comprises: the collecting device comprises a supporting column 41, an upper limiting frame 42, a lower collecting bucket 43 and a plurality of outer collecting pieces 44, wherein the upper limiting frame 42 is arranged above the lower collecting bucket 43, the lower end of the collecting bucket is provided with a water outlet, the water outlet faces the collecting cover 1, and water flowing out of the water outlet of the collecting bucket is suitable for flowing to the ribs 11 and the ribs 12, so that the flow rate of water on the collecting cover 1 is slowed down; the support column 41 is fixed between the upper limit frame 42 and the lower collecting hopper 43, and the lower end of the support column 41 is fixed on the collecting cover 1; the water outlet of the lower collecting hopper 43 faces the collecting cover 1; the outer collecting pieces 44 are arranged circumferentially around the upper limit frame 42 at equal intervals, and the outer collecting pieces 44 are arc-shaped; the cooperation of the support column 41, the upper limit frame 42 and the lower collecting hopper 43 has the effect of supporting and fixing the outer collecting member and the inner guide member 45. Wherein the outer collector 44 is adapted to guide rainwater into the collection hopper; the rainwater is collected by the collecting hopper and flows into the filtering part 2 through the collecting cover 1. In a state that the wind force is smaller than the breeze, the falling rainwater is collected by the collecting cover 1, and the collecting cover 1 conveys the converged rainwater to the filtering part 2, and the filtering part 2 can filter impurities in the rainwater; and when the wind-force is greater than breeze and is less than high wind when the rainfall, the wind-force is great blows the rainwater and drops from the slope of upper and lower, at this moment, collect cover 1 is not good to the collection effect of rainwater on the horizontal plane, and set up in collecting cover 1 top interior water conservancy diversion spare 45 and outer collection spare 44 mutually support, intercept and collect the rainwater from vertical face, interior water conservancy diversion spare 45 and the outer collection spare 44 mutually support that the ring-shaped set up can intercept and guide more rainwater to fall into collect in the cover 1. The ribs 11 and the ribs 12 provided on the collecting cover 1 can block the flow rate of rainwater discharged from the lower collecting hopper 43, so that when the rainwater amount is large, a large amount of rainwater is prevented from accumulating at the sewer end of the collecting cover 1.
In order to prevent the longitudinal rainwater from falling into the lower collecting hopper 43, the collecting part 4 further comprises a plurality of inner guide members 45, and the inner guide members 45 are arranged inside the outer collecting members 44; the inner guiding member 45 is arc-shaped, and the arc angle of the inner guiding member 45 is opposite to that of the outer collecting member 44. The inner guiding member 45 is disposed along the radial outer scattering shape of the upper limiting frame 42, and the inner guiding member 45 is adapted to intercept rainwater after rainwater enters through the inner wall of the outer collecting member 44. The inner guide member 45 and the outer collecting member 44 have the same structure.
To facilitate guiding of stormwater, the outer harvesting 44 comprises: an upper limit bar 441, a collecting guard plate 442 and a lower collecting guide bar 443, wherein the upper limit bar 441 is fixed at the upper end of the collecting guard plate 442, and the upper end of the upper limit bar 441 is fixed on the upper limit frame 42; the collecting guard plate 442 is rectangular, and the collecting guard plate 442 is curved in an arc shape in the width direction; the lower collecting guide bars 443 are fixed to the lower end of the collecting guard plate 442, and the thickness of the lower collecting guide bars 443 is greater than that of the collecting guard plate 442. Two guiding grooves 444 are formed in the lower collecting guiding strips 443 near the side wall of the collecting protecting plate 442, and the guiding grooves 444 are suitable for collecting rainwater sliding off the side wall of the collecting protecting plate 442. A diversion port 445 is formed at one end of the lower collecting guide bar 443, and the diversion port 445 is disposed at one end of the lower collecting guide bar 443 close to the inner diversion member 45. When the wind force is larger than breeze and smaller than high wind during rainfall, the wind force greatly blows the rainwater to drop from top to bottom in an inclined way, the wind force blows the rainwater to the inner guide piece 45 inside along the outer wall of the collecting and protecting plate 442, and as the radian direction of the inner guide piece 45 is opposite to the radian direction of the collecting and protecting plate 442, after the wind force drives the rainwater to blow into the collecting part 4, the rainwater is blocked by the side wall of the inner guide piece 45 and can flow downwards along the side wall of the inner guide piece 45; simultaneously, there will be rain water flowing down the outer wall of the collecting shield 442, while the guiding gutter 444 is adapted to collect rain water and guide the rain water to the lower collecting hopper 43 via the guiding opening 445.
A gap is provided between the inner guide member 45 and the outer collecting member 44, and one inner guide member 45 corresponds to at least two outer collecting members 44. The gap between the inner guide member 45 and the outer collecting member 44 is for facilitating the wind blowing to the inside of the collecting portion 4, and at the same time, is also for blocking the rainwater, which is carried by the wind blowing to the inside of the collecting portion 4, to be blocked and collected by the inner guide member 45.
In order to improve the filtering effect on particulate matter in rainwater, the filtering part 2 includes: a plurality of particle layers 21, a plurality of filter layers 22 and a plurality of flow guide pipes 23, wherein one particle layer 21 corresponds to one filter layer 22, and the filter layer 22 is arranged below the corresponding particle layer 21; the particle size of the one particle layer 21 located above is larger than that of the one particle layer 21 located below; the particle size of the one filter layer 22 located above is larger than that of the one filter layer 22 located below; the plurality of flow guiding pipes 23 are vertically arranged on the filtering layer 22, and two ends of the flow guiding pipes 23 face the two particle layers 21 respectively. The particle diameter of the particle layer 21 is gradually reduced from top to bottom, so that large particle impurities carried in the rainwater are gradually filtered and intercepted in the process of flowing from bottom to bottom, and the effect of blocking the particle layer 21 due to too much particles is avoided; each particle layer 21 corresponds to the setting of a filter layer 22, and the filter precision of filter layer 22 is greater than particle layer 21, simultaneously, sets up a plurality of honeycomb ducts 23 in filter layer 22, in order to avoid being located the filter layer 22 of top to be stopped up by impurity after, honeycomb duct 23 still can guide rivers to flow downwards, thereby from the whole life that has improved equipment that is.
The second embodiment provides a working method of a rainwater filtering and recovering system based on the first embodiment, which includes the rainwater filtering and recovering system described in the first embodiment, and a specific mechanism is the same as that of the first embodiment and is not described here again; the working method of the rainwater filtering and recycling system is as follows:
when rainfall occurs, the collecting cover 1 is suitable for collecting the falling rainwater, the falling rainwater is collected by the collecting cover 1 in a windless or less wind state, the collecting cover 1 conveys the converged rainwater to the filtering part 2, the filtering part 2 can filter impurities in the rainwater, and the rainwater is recovered for use after being filtered by the secondary filtering box 3; the collecting part 4 collects rainwater mainly through the horizontal plane angle of the inner guide piece 45 and the outer collecting piece 44;
when the wind power is larger than breeze and smaller than high wind in rainfall, the wind power blows the rainwater to fall from top to bottom in a larger slope, at the moment, the collecting cover 1 has poor collecting effect on the rainwater on the horizontal plane, the inner guide piece 45 and the outer collecting piece 44 which are arranged above the collecting cover 1 are mutually matched, the rainwater is intercepted and collected from the vertical plane, and the inner guide piece 45 and the outer collecting piece 44 which are annularly arranged are mutually matched, so that more rainwater can be intercepted and guided to fall into the collecting cover 1;
in the process that rainwater flows from the upper end of the filtering part 2 to the lower end, the particle layer 21 and the filtering layer 22 are mutually matched, so that the effect of gradually improving the filtering precision is realized, and the filtered rainwater is recovered and used through the secondary filtering box 3 after meeting the use standard.
The above-described preferred embodiments according to the present invention are intended to suggest that, in view of the above description, various changes and modifications may be made by the worker in question without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. A stormwater filtration recovery system, comprising:
the device comprises a collecting cover, a filtering part, a secondary filtering box and a plurality of collecting parts, wherein the collecting cover is fixed above the filtering part, and the upper end of the collecting cover is open;
the filtering part is columnar and is suitable for filtering sediment particles in rainwater;
the secondary filter box is arranged at the water outlet end of the filter part and is suitable for filtering rainwater again;
the collecting parts are circumferentially arranged at equal intervals around the collecting cover, wherein,
the collecting part is suitable for collecting rainwater and enabling the rainwater to flow into the collecting cover after converging.
2. A rainwater filtration and recovery system as claimed in claim 1, wherein,
the acquisition unit includes: the device comprises a supporting column, an upper limiting frame, a lower collecting hopper and a plurality of outer collecting pieces, wherein the upper limiting frame is arranged above the lower collecting hopper, the supporting column is fixed between the upper limiting frame and the lower collecting hopper, and the lower end of the supporting column is fixed on the collecting cover;
the water outlet of the lower collecting hopper faces the collecting cover;
the outer collecting pieces are arranged circumferentially at equal intervals around the upper limit frame, and are arc-shaped; wherein, the liquid crystal display device comprises a liquid crystal display device,
the outer collecting piece is suitable for guiding rainwater to fall into the collecting hopper;
rainwater is converged by the collecting hopper and flows into the filtering part through the collecting cover.
3. A rainwater filtration and recovery system as claimed in claim 2, wherein,
the collecting part further comprises a plurality of inner flow guiding pieces, and the inner flow guiding pieces are arranged on the inner sides of the outer collecting pieces;
the inner flow guiding piece is arc-shaped, and the arc angle of the inner flow guiding piece is opposite to that of the outer collecting piece.
4. A rainwater filtration and recovery system as claimed in claim 3, wherein,
the inner guide piece is arranged along the radial outer scattering shape of the upper limit frame, and the inner guide piece is suitable for intercepting rainwater after rainwater enters through the inner wall of the outer collecting piece.
5. A stormwater filtration recovery system as claimed in claim 4, wherein,
the outer collection member includes: the collecting device comprises an upper limit bar, a collecting guard board and a lower collecting guide bar, wherein the upper limit bar is fixed at the upper end of the collecting guard board, and the upper end of the upper limit bar is fixed on the upper limit frame;
the collecting guard plate is rectangular and is bent to be arc-shaped along the width direction;
the lower collection guide strip is fixed at the lower end of the collection guard plate, and the thickness of the lower collection guide strip is larger than that of the collection guard plate.
6. A rainwater filtration and recovery system as claimed in claim 5, wherein,
two guide grooves are formed in the lower collecting guide strip, close to the side wall of the collecting guard plate, and are suitable for collecting rainwater sliding off the side wall of the collecting guard plate.
7. A stormwater filtration recovery system as claimed in claim 6, wherein,
and one end of the lower collecting guide strip is provided with a guide opening, and the guide opening is arranged at one end of the lower collecting guide strip, which is close to the inner guide piece.
8. A stormwater filtration recovery system as claimed in claim 7, wherein,
a gap is arranged between the inner guide piece and the outer collecting piece, and one inner guide piece corresponds to at least two outer collecting pieces.
9. A stormwater filtration recovery system as claimed in claim 8, wherein,
the filtering part includes: the device comprises a plurality of particle layers, a plurality of filter layers and a plurality of guide pipes, wherein one particle layer corresponds to one filter layer, and the filter layers are arranged below the corresponding particle layers;
the particle size of one particle layer positioned above is larger than that of one particle layer positioned below;
the particle size of the upper filter layer is larger than that of the lower filter layer;
the honeycomb ducts are vertically arranged on the filter layer, and two ends of the honeycomb ducts face two particle layers respectively.
10. A method for operating a stormwater filtration recovery system as claimed in claim 9,
when rainfall occurs, the collecting cover is suitable for collecting the falling rainwater, the falling rainwater is collected by the collecting cover in a windless or wind less than breeze state, the collecting cover conveys the converged rainwater to the filtering part, the filtering part can filter impurities in the rainwater, and the rainwater is recovered for use after being filtered by the secondary filtering box; the collecting part collects rainwater mainly through the horizontal plane angles of the inner guide piece and the outer collecting piece;
when the wind power is larger than breeze and smaller than high wind during rainfall, the wind power blows the rainwater to fall from top to bottom in a larger slope, at the moment, the collecting cover has poor collecting effect on the rainwater on the horizontal plane, the inner guide piece and the outer collecting piece which are arranged above the collecting cover are mutually matched, the rainwater is intercepted and collected from the vertical plane, the inner guide piece and the outer collecting piece which are annularly arranged are mutually matched, and more rainwater can be intercepted and guided to fall into the collecting cover;
in the process that rainwater flows from the upper end of the filtering part to the lower end, the particle layer is matched with the filtering layer, the effect of gradually improving the filtering precision is realized, and the filtered rainwater is recovered and used through the secondary filtering box after meeting the use standard.
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| CN202310381559.2A CN116397720B (en) | 2023-04-11 | 2023-04-11 | Rainwater filtering and recycling system and working method thereof |
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| CN202310381559.2A CN116397720B (en) | 2023-04-11 | 2023-04-11 | Rainwater filtering and recycling system and working method thereof |
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| CN116397720A true CN116397720A (en) | 2023-07-07 |
| CN116397720B CN116397720B (en) | 2023-10-20 |
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| CN212452880U (en) * | 2019-01-25 | 2021-02-02 | 广东工业大学华立学院 | Rainwater collection device for landscape architecture |
| KR20200049722A (en) * | 2020-04-20 | 2020-05-08 | 전상동 | Rainwater filter manufacturing method and rainwater filter manufactured thereby |
| CN212405322U (en) * | 2020-05-15 | 2021-01-26 | 中建八局第一建设有限公司 | A rainwater collection device for treegarden irrigation |
| CN212772584U (en) * | 2020-07-24 | 2021-03-23 | 芈岚 | A rainwater collection device for in landscape garden |
| CN217379080U (en) * | 2022-05-25 | 2022-09-06 | 山东省水利科学研究院 | Green low-carbon rainwater collection system |
| CN218653319U (en) * | 2022-11-24 | 2023-03-21 | 湖北雨乐环保科技有限公司 | Centrifugal rainwater collecting and filtering device |
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| CN116397720B (en) | 2023-10-20 |
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