CN211312673U - Unpowered grid for collecting and recycling highway rainwater - Google Patents
Unpowered grid for collecting and recycling highway rainwater Download PDFInfo
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- CN211312673U CN211312673U CN201922019865.3U CN201922019865U CN211312673U CN 211312673 U CN211312673 U CN 211312673U CN 201922019865 U CN201922019865 U CN 201922019865U CN 211312673 U CN211312673 U CN 211312673U
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- 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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Abstract
The utility model discloses a highway rainwater collection and reuse unpowered grid, which comprises a grid water collection unit, wherein the grid water collection unit comprises a steady flow box and a grid, the grid comprises a rectangular frame, a plurality of support rods and short grid bars, the support rods parallel to the wide edges of the rectangular frame are uniformly distributed in the rectangular frame along the long edges of the rectangular frame, and two ends of each support rod are respectively welded and fixed with the long edge frames on two sides of the rectangular frame; a plurality of short grid bars with parallel long edges are equidistantly arranged between every two adjacent support rods, one end of each short grid bar is welded and fixed with the support rod, and the other end of each short grid bar inclines outwards and is in lap joint welding and fixing with the outer side edge of the adjacent corresponding short grid bar; each short grid bar and each support rod form a grid net. The utility model discloses need not to provide power through the power, and avoided artifical frequent maintenance clearance, it is energy-conserving high-efficient, rely on bars rivers to clear up it, simple structure, the cost is lower, the clearance of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, specifically a highway rainwater is collected unpowered grid of retrieval and utilization.
Background
Before rainwater is recycled, slag screening work is required to be carried out through grids, and at present, two grids are domestic simple steel grids which are respectively an electric grid dirt removing machine and an artificial slag removing machine. The electric grille decontamination machine consumes electric energy when running, needs to be matched with electricity along a highway, and cannot be applied to most highway sections; the simple steel grating for manually removing the slag consumes manpower, needs frequent manual cleaning, and is not suitable for long-distance highway sections.
The unpowered self-cleaning type grille is invented by Germany, consists of three parts, namely a sewage interception grille, a sewage cleaning steel brush and a water wheel, and is mainly used for intercepting solid impurities in incoming water (sewage of a confluence system pipe network or overflow water of a shunt system rain water pipe network) with pollutants. This product steel brush of decontaminating and cut dirty grid crisscross mutually, when rivers surpass overflow water level, drive water wheels and rotate, make the steel brush of decontaminating be reciprocating motion, will cut off debris and withdraw from the grid clearance, prevent to cut off the filth and pile up between the grid, guarantee that the grid crosses the water unobstructed. The finished product can continuously and automatically run with water flow without running cost, but has a complex structure and occupies a large area, so that the finished product is not suitable for a rainwater recycling system of a long-distance highway.
SUMMERY OF THE UTILITY MODEL
The utility model provides a highway rainwater is collected unpowered grid of retrieval and utilization, its aim at solve current grid structure complicacy, the cost is higher, the inconvenient problem of clearance.
The utility model adopts the following technical scheme:
a highway rainwater collecting and recycling unpowered grid comprises a grid water collecting unit, wherein the grid water collecting unit comprises a flow stabilizing box and a grid, the grid comprises a rectangular frame, support rods and short grid bars, a plurality of support rods parallel to the wide edges of the rectangular frame are uniformly distributed in the rectangular frame along the long edges of the rectangular frame, and two ends of each support rod are respectively welded and fixed with long-edge frames on two sides of the rectangular frame; a plurality of short grid bars with parallel long edges are equidistantly arranged between every two adjacent support rods, one end of each short grid bar is welded and fixed with the support rod, and the other end of each short grid bar inclines outwards and is in lap joint welding and fixing with the outer side edge of the adjacent corresponding short grid bar; each short grid bar and each support rod form a grid net.
The grid water collecting unit is arranged on the side wall of the drainage side ditch, a horizontal rectangular mounting groove is dug in one side wall of the drainage side ditch, the rear part of the flow stabilizing box is embedded into the mounting groove, and the end face of the inner side of the flange shape at the front end of the flow stabilizing box is tightly attached to the side wall of the drainage side ditch for fixing; the flow stabilizing box is of a cubic box structure with an opening at the front end, and the opening of the flow stabilizing box is flange-shaped; the whole grid is vertically embedded into a flange opening of the flow stabilizing box, and one side edge of the outer end face of the grid is connected with the flange-shaped end face of the flow stabilizing box through a hinge and can pivot outwards around the hinge rotating shaft; the inclined direction of each short grid bar towards the outer side is the direction along the water flow.
The grid is received in the gutter the oblique opposite side wall of water unit and is set up the guiding wall, guiding wall one end is located the upstream other end slant low reaches that the grid received the water unit sets up, guiding wall one end is connected the other end is in on the wall to the gutter low reaches slant is piled up and is blocked partial rainwater and erode the grid face.
The included angle between the guide wall and the grating surface is 30-45 degrees.
The short grid bars incline to the outside of the grid surface by an angle of 10-15 degrees.
The distance between two adjacent support rods is 20-50cm, and the distance between two vertically adjacent short grid bars is 10-40 mm.
The rear side surface of the flow stabilizing box is provided with a through hole and is communicated with a rainwater collecting and recycling system.
The grid water receiving units are arranged in a plurality at intervals along the length direction of the drainage side ditch.
The bottom 10mm of the grating is a closed section.
The utility model has the advantages as follows:
the utility model discloses a guide wall changes the rainwater flow direction, the rainwater gets into the stationary flow case after passing through the grid, with stable flow, the flow state is discharged into rainwater recycling system and is collected, the filth is intercepted by the grid when rivers flow through the grid, and the filth of interception is washed away under the horizontal velocity of flow effect of grid surface rainwater and is taken away to low reaches, the washing effect that horizontal grid passes through rivers self cleans the grid, need not mains operated, and the artifical clearance of frequently maintaining has been avoided, it is clear up it to energy-conserving high efficiency need not power dependence grid rivers, moreover, the steam generator is simple in structure, lower cost, the clearance of being convenient for.
Description of the drawings:
fig. 1 is a schematic view of the cross-sectional structure of the present invention.
Fig. 2 is a schematic diagram of the front structure of the grid of the present invention.
Reference numerals:
1-grating, 11-rectangular frame, 12-support rod, 13-short grating, 2-drainage side ditch, 21-installation groove, 3-steady flow box, 4-hinge, 5-guide wall and 6-rainwater collection and recycling system
The specific implementation mode is as follows:
the following describes the embodiments of the present invention with reference to the accompanying drawings.
Referring to the attached drawings 1 and 2, the unpowered grille for collecting and recycling the rainwater on the road comprises a grille water collecting unit, wherein the grille water collecting unit comprises a flow stabilizing box 3 and a grille 1, the grille 1 comprises a rectangular frame 11, support rods 12 and short grille strips 13, a plurality of support rods 12 parallel to the wide edges of the rectangular frame 11 are uniformly distributed in the rectangular frame 11 along the long edges of the rectangular frame, and two ends of each support rod 12 are respectively welded and fixed with long-edge frames on two sides of the rectangular frame 11; a plurality of short grid bars 13 with parallel long edges are equidistantly arranged between every two adjacent support rods 12, one end of each short grid bar 13 is welded and fixed with the support rod 12, and the other end of each short grid bar 13 inclines outwards and is in lap joint welding and fixing with the outer edge of the corresponding adjacent short grid bar 13; each short grid 13 and each support rod 12 form a grid net.
The grid water collecting unit is arranged on the side wall of the drainage side ditch 2, a horizontal rectangular mounting groove 21 is dug in one side wall of the drainage side ditch 2, the rear part of the flow stabilizing box 3 is embedded into the mounting groove 21, and the end face of the inner side of the flange shape at the front end of the flow stabilizing box is tightly attached to the side wall of the drainage side ditch 2 for fixing; the flow stabilizing box 3 is of a cubic box structure with an opening at the front end, and the opening of the flow stabilizing box 3 is flange-shaped; the whole grid 1 is vertically embedded into a flange opening of the flow stabilizing box 3, and one side edge of the outer end face of the grid is connected with the flange-shaped end face of the flow stabilizing box 3 through a hinge 4 and can pivot outwards around a rotating shaft of the hinge 4; the outward inclined direction of each short grid 13 is the direction along the water flow, see fig. 1 and 2.
The grid in the gutter 2 receives the unit oblique opposite side ditch wall and sets up guide wall 5, guide wall 5 one end is located the grid receives the upstream other end slant low reaches setting of unit, guide wall 5 one end is connected the other end on the ditch wall to 2 low reaches slant piling up of gutter 2 are blocked partial rainwater erode grid 1 face, refer to fig. 1.
The included angle between the guide wall 5 and the surface of the grating 1 is 30-45 degrees.
The short grid bars 13 incline to the outside of the grid 1 by an angle of 10-15 degrees.
The distance between two adjacent support rods 12 is 20-50cm, and the distance between two vertically adjacent short grid bars 13 is 10-40 mm.
The rear side surface of the flow stabilizing box 3 is provided with a through hole and is communicated with a rainwater collecting and recycling system 6, see the attached figure 1.
The grid water receiving units are arranged along the length direction of the drainage side ditch 2 at intervals.
The bottom 10mm of the grid 1 is a closed section.
The following further describes embodiments of the present invention:
rainwater is gathered into the drainage side ditch through runoff and collection pipeline, sets up purpose-made grid in the side ditch and receives the water unit, and rainwater gets into the grid and receives the water unit after the water level reaches 1 water inlet level of grid in the side ditch, considers that contains more pollutant in the initial stage rainwater, and 1 bottom 10mm of grid can be for sealing the section, and when the rainwater volume is less, rainwater does not get into the system when the liquid level is less than 10mm in the drainage side ditch. Can set up the guiding wall 5 before horizontal grid 1, change the rivers direction, make rivers and grid 1 form certain contained angle alpha, the angle is too big to be plugged up by the filth easily, and the angle is too little to reach local rainwater collection volume demand. Assuming that the water flow velocity is v, the guide wall 5 increases the vertical water inflow velocity v · sin α of the grating 1 and ensures that the grating 1 has a certain horizontal velocity v · cos α to flush the grating 1. In order to ensure the scouring effect, the horizontal flow velocity v · cos α needs to be more than or equal to the inflow flow velocity v · sin α, and the included angle between the water flow and the grating 1 is recommended to be 30-45 degrees. And the guide wall 5 reduces the water flow section, so that the water flow velocity v is increased, and the grid 1 is favorable for water inflow and scouring.
The distance between the vertical support rods 12 is 20-50cm, the transverse short grid bars 12 are fixed on the vertical support rods 12, the length of the short grid bars 13 is 21.5-52cm, the gap is 10-40mm, each vertical support rod 12 and the connected transverse short grid bars 13 form part of the surface of the grid 1, the angle of each part of the surface of the grid 1, which is overlapped on the surface of the next part of the surface of the grid 1, is about 10-15 degrees, and dirt can be washed away under the action of the horizontal flow velocity of water on the surface of the grid 1 after being intercepted by the grid 1, so that the grid 1 is prevented from being blocked. The horizontal grating 1 is made of corrosion-resistant material such as stainless steel.
The flow stabilizing box is used for adjusting flow and flow state, the outlet water of the flow stabilizing box is connected to a rainwater recycling system, and the size of the flow stabilizing box is determined by rainwater collection flow.
The utility model discloses the working process is as follows: after rainfall, rainwater flows along the drainage side ditch, the rainwater changes the flow direction under the action of the flow guide wall after the rainwater quantity increases to form a certain water flow side ditch water level larger than 10mm, the speed increases, when the water flow flows through the grating 1, dirt is intercepted by the short grating strips 13, the intercepted dirt is washed away under the action of the horizontal flow velocity of the water flow on the surfaces of the short grating strips, and the collected rainwater enters the constant flow box after passing through the horizontal grating 1 to stabilize the flow and flow state of the rainwater and then is discharged into the rainwater recycling system. The intercepted dirt is directed downstream in the direction of the channel flow. The horizontal grating 1 cleans the grating 1 through the self scouring action of water flow, power supply is not needed, manual frequent maintenance and cleaning are avoided, and energy conservation and high efficiency are realized.
Example 1:
as shown in figures 1 and 2, the length of the grid 1 is 102cm, the height thereof is 500cm, the distance between the vertical support rods is 20cm, the length of the transverse short grid bars is 21.5cm, and the gap between the short grid bars is 15 mm. The size of the drainage channel is W multiplied by H which is 600 multiplied by 500mm, and the water flow and the grating 1 form different angles of 30-60 degrees by changing the guide wall. 100 leaves are put into clean water, the average straight drop is 5cm, the leaves uniformly flow into a channel at a flow rate of 0.5 cubic meter per second, the interception condition of the leaves is counted, and three angles of 30 degrees, 45 degrees and 60 degrees are respectively selected as variables from the angle of the grating 1 and the water flow.
The experimental results are shown in table 1, and the results show that the horizontal grating 1 has better dirt intercepting and self-cleaning capabilities, the dirt intercepting effect of the grating 1 is better when the angle formed by the grating 1 and the water flow is smaller, but the rainwater collection flow is too small due to too small angle, so that the included angle between the water flow and the grating 1 is recommended to be 30-45 degrees.
TABLE 1 leaf test results
| Angle formed by grid and water flow | Retention rate% | Number of leaves on the grid |
| 30° | 98％ | 0 |
| 45° | 91％ | 0 |
| 60° | 81％ | 5 |
Claims (9)
1. The utility model provides a highway rainwater collects unpowered grid of retrieval and utilization which characterized in that: the water-collecting device comprises a grid water-collecting unit, wherein the grid water-collecting unit comprises a flow stabilizing box (3) and a grid (1), the grid (1) comprises a rectangular frame (11), supporting rods (12) and short grid bars (13), a plurality of supporting rods (12) parallel to the wide sides of the rectangular frame (11) are uniformly distributed in the rectangular frame (11) along the long sides of the rectangular frame, and two ends of each supporting rod (12) are respectively welded and fixed with long side frames on two sides of the rectangular frame (11); a plurality of short grid bars (13) with parallel long edges are equidistantly arranged between every two adjacent support rods (12), one end of each short grid bar (13) is welded and fixed with the support rod (12), and the other end of each short grid bar (13) inclines outwards and is in lap joint welding and fixing with the outer edge of the corresponding adjacent short grid bar (13); each short grid bar (13) and each support rod (12) form a grid net.
2. The unpowered grid for collecting and recycling road rainwater according to claim 1, wherein the grid water collecting unit is arranged on the side wall of the gutter (2), a horizontal rectangular mounting groove (21) is dug on one side wall of the gutter (2), the rear part of the flow stabilizing box (3) is embedded into the mounting groove (21), and the flange-shaped inner side end face of the front end of the flow stabilizing box is tightly fixed on the side wall of the gutter (2); the flow stabilizing box (3) is of a cubic box structure with an opening at the front end, and the opening of the flow stabilizing box (3) is flange-shaped; the whole grid (1) is vertically embedded into a flange opening of the flow stabilizing box (3), and one side edge of the outer end face of the grid is connected with the flange-shaped end face of the flow stabilizing box (3) through a hinge (4) and can pivot outwards around a rotating shaft of the hinge (4); the inclined direction of each short grid (13) towards the outside is the direction along the water flow.
3. A road rainwater collection and reuse unpowered grid according to claim 2, wherein a diversion wall (5) is arranged on the wall of the grid water collection unit in the gutter (2) diagonally opposite to the surface, one end of the diversion wall (5) is arranged on the upstream side and the other end of the grid water collection unit diagonally downstream, one end of the diversion wall (5) is connected with the other end of the wall and the other end of the wall is arranged on the downstream side of the gutter (2) diagonally stacks and blocks part of rainwater to wash the surface of the grid (1).
4. The unpowered grid for collecting and recycling road rainwater according to claim 3, wherein an included angle between the diversion wall (5) and the surface of the grid (1) is 30-45 degrees.
5. A road rainwater collection and reuse unpowered grid according to claim 1, wherein the short grid bars (13) are inclined to the outside of the grid (1) by an angle of 10-15 degrees.
6. The unpowered grid for collecting and recycling road rainwater according to claim 1, wherein the distance between two adjacent support rods (12) is 20-50cm, and the distance between two vertically adjacent short grid bars (13) is 10-40 mm.
7. The unpowered grid for collecting and recycling road rainwater according to claim 1, wherein the rear side surface of the flow stabilizing box (3) is provided with a through hole and is communicated with a rainwater collecting and recycling system (6).
8. The unpowered grid for collecting and recycling road rainwater according to claim 2, wherein a plurality of the grid water collecting units are arranged at intervals along the length direction of the gutter (2).
9. A road rainwater collection and reuse unpowered grid according to claim 2, characterized in that the bottom 10mm of the grid (1) is a closed section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922019865.3U CN211312673U (en) | 2019-11-21 | 2019-11-21 | Unpowered grid for collecting and recycling highway rainwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922019865.3U CN211312673U (en) | 2019-11-21 | 2019-11-21 | Unpowered grid for collecting and recycling highway rainwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211312673U true CN211312673U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922019865.3U Active CN211312673U (en) | 2019-11-21 | 2019-11-21 | Unpowered grid for collecting and recycling highway rainwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211312673U (en) |
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2019
- 2019-11-21 CN CN201922019865.3U patent/CN211312673U/en active Active
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