CN114482190B - Rainwater collection and utilization device with water-sand separation function - Google Patents
Rainwater collection and utilization device with water-sand separation function Download PDFInfo
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- CN114482190B CN114482190B CN202210120384.5A CN202210120384A CN114482190B CN 114482190 B CN114482190 B CN 114482190B CN 202210120384 A CN202210120384 A CN 202210120384A CN 114482190 B CN114482190 B CN 114482190B
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- sand
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- 239000004576 sand Substances 0.000 title claims abstract description 49
- 238000000926 separation method Methods 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 102
- 239000010959 steel Substances 0.000 claims abstract description 102
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000013049 sediment Substances 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 27
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 238000004062 sedimentation Methods 0.000 claims abstract description 13
- 239000004567 concrete Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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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
-
- 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
- B01D36/04—Combinations of filters with settling tanks
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention relates to a rainwater collection and utilization device with a water-sand separation function, which comprises a silt settling pond, steel plate shutters, embedded parts, steps and sand filtering walls, wherein the silt settling pond is provided with a plurality of sand filtering walls; the sedimentation tank is embedded in the flow passage, covered by the road surface and provided with a water inlet; the steel plate shutter covers the water inlet; the embedded part is arranged in the middle of the side wall of the desilting pond, and the steel plate shutter is fixed at the mounting bayonet of the desilting pond; the ladder is arranged in the sediment tank and extends from the bottom of the water inlet of the sediment tank to the bottom of the sediment tank; the sand filtering wall is arranged at the bottom of the desilting tank and extends upwards from the bottom of the desilting tank to the bottom of the pavement; the rainwater mixture flows through the water inlet to reach the steel plate shutter, the rainwater mixture is subjected to primary separation through the steel plate shutter, the energy dissipation is carried out on the rainwater mixture subjected to primary separation through the steps, and finally the rainwater mixture subjected to energy dissipation is subjected to secondary separation through the sand filtering wall, so that rainwater to be utilized is obtained. Can effectively realize the collection and purification of large water flow and the urban emergency drainage, has simple structure and is favorable for popularization and application.
Description
Technical Field
The invention relates to the technical field of civil water conservancy equipment, in particular to a rainwater collecting and utilizing device with a water-sand separation function.
Background
The natural disasters are complex and severe at present, extreme weather events are frequent, and strong rainfall weather is frequently generated in recent years, so that serious waterlogging occurs in a plurality of cities and life and property safety of people is seriously threatened. Heavy rainfall weather induces the slope of the mountain road to collapse, and the soil body falls down to lead to sand-carrying water flow, so that the drainage pipe of the road is blocked, and traffic is stopped. The water diversion irrigation of the multiple sand rivers has large sand content, causes sediment accumulation of canal systems, and the sediment flows into farmlands to seriously influence normal water supply of canal systems in irrigation areas. The main reason for the above problems is that the sand content in the water flow is increased, and the water cannot be discharged in time.
Chinese patent 202010025389.0 discloses a rainwater and sewage purification device, which comprises a water inlet pipe, a rainwater collecting hopper, a purifier and a water outlet pipe, wherein the rainwater collecting hopper is connected to the top of the purifier, the water outlet pipe is connected to the lower part of one side of the rainwater collecting hopper away from the water inlet pipe, and the rainwater and sewage is purified through a filter plate well. Chinese patent 201810900768.2 discloses a municipal rainwater collection and recycling system. The rainwater filtering and distributing device comprises a preliminary filtering and distributing device, and rainwater is filtered through a pore plate. However, most of the solutions proposed by the former people are suitable for collecting and purifying small water flow through a filter screen, a purifier and natural precipitation, and related technologies for large water flow and urban emergency drainage are lacking.
Disclosure of Invention
The invention aims to provide a rainwater collecting and utilizing device with a water-sand separation function, which can effectively relieve the problems and effectively realize large water flow collecting and purifying and urban emergency drainage.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a rainwater collecting and utilizing device with a water-sand separation function, which comprises the following components: the device comprises a silt settling pond, steel plate shutters, embedded parts, steps and sand filtering walls;
the sedimentation tank is embedded in the flow passage, covered by the road surface and provided with a water inlet; the steel plate shutter covers the water inlet; the embedded part is arranged in the middle of the side wall of the desilting tank, and the steel plate shutter is fixed at the mounting bayonet of the desilting tank; the ladder is arranged in the sediment tank and extends from the bottom of the water inlet of the sediment tank to the bottom of the sediment tank; the sand filtering wall is arranged at the bottom of the desilting tank and extends upwards from the bottom of the desilting tank to the bottom of the pavement;
the rainwater mixture flows through the water inlet to reach the steel plate shutter, the rainwater mixture is subjected to primary separation through the steel plate shutter, the energy dissipation is carried out on the rainwater mixture subjected to primary separation through the step, and finally the rainwater mixture subjected to energy dissipation is subjected to secondary separation through the sand filtering wall, so that rainwater to be utilized is obtained.
Optionally, the rainwater collection and utilization device further includes:
the energy dissipation bank is arranged at the bottom of the sediment tank, is positioned between the ladder and the sand filtering wall and is used for conducting secondary energy dissipation on rainwater flowing through the ladder.
Optionally, the number of the energy dissipation sills is multiple, and the multiple energy dissipation sills are arranged at the bottom of the sediment tank at equal intervals.
Optionally, the steel plate shutter comprises a first steel plate shutter and a second steel plate shutter;
the included angle between each blade of the first steel plate shutter and the horizontal plane is 90 degrees, the included angle between each blade of the second steel plate shutter and the horizontal plane is 45 degrees, and the first steel plate shutter and the second steel plate shutter form an L-shaped structure.
Optionally, the steel plate shutter comprises a first steel plate shutter, a second steel plate shutter and a third steel plate shutter;
the included angle between each blade of the first steel plate shutter and the horizontal plane is 90 degrees, the included angle between each blade of the second steel plate shutter and the horizontal plane is 45 degrees, and the included angle between each blade of the third steel plate shutter and the horizontal plane is 45 degrees.
Optionally, the rainwater collection and utilization device further includes:
the water outlet is arranged at the side part of the sedimentation tank and is used for discharging the rainwater to be utilized.
Optionally, the bottom of the water inlet is higher than the bottom of the water outlet.
Optionally, the sand filtering wall comprises a permeable concrete layer and a gabion layer.
Optionally, the embedded part is a screw rod, and the embedded part is used for installing and fixing the steel plate shutter at the bottom of the water inlet through a nut.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention discloses a rainwater collecting and utilizing device with a water-sand separation function, which comprises a silt settling pond, steel plate shutters, embedded parts, steps and sand filtering walls, wherein the steel plate shutters are arranged on the silt settling pond; the sedimentation tank is embedded in the flow passage, covered by the road surface and provided with a water inlet; the steel plate shutter covers the water inlet; the embedded part is arranged in the middle of the side wall of the desilting tank, and the steel plate shutter is fixed at the mounting bayonet of the desilting tank; the ladder is arranged in the sediment tank and extends from the bottom of the water inlet of the sediment tank to the bottom of the sediment tank; the sand filtering wall is arranged at the bottom of the desilting tank and extends upwards from the bottom of the desilting tank to the bottom of the pavement; the rainwater mixture flows through the water inlet to reach the steel plate shutter, the rainwater mixture is subjected to primary separation through the steel plate shutter, the energy dissipation is carried out on the rainwater mixture subjected to primary separation through the steps, and finally the rainwater mixture subjected to energy dissipation is subjected to secondary separation through the sand filtering wall, so that rainwater to be utilized is obtained. The invention can effectively realize large water flow collection and purification and urban emergency drainage, has simple structure and is beneficial to popularization and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a convex structure of a rainwater collecting and utilizing device with water-sand separation function according to the present invention;
FIG. 2 is a schematic view of a concave structure of a rainwater collecting and utilizing device with water-sand separation function according to the present invention;
FIG. 3 is a schematic diagram of a ladder structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of a structure of a energy dissipating ridge according to an embodiment of the present invention;
FIG. 5 is a schematic view of a first steel shutter according to the present invention;
FIG. 6 is a schematic view of a second steel shutter according to the present invention;
FIG. 7 is a schematic view of a third steel shutter according to the present invention;
FIG. 8 is a schematic view of the structure of the sand filter according to the present invention.
Symbol description:
the device comprises a silt settling pond-1, steel plate blinds-2, a first steel plate blind-21, a second steel plate blind-22, a third steel plate blind-23, an embedded part-3, a ladder-4, a sand filtering wall 5, a permeable concrete layer-51, a gabion layer-52, an energy dissipation bank-6 and a water outlet-7.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a rainwater collection and utilization device that possesses water sand separation function can effectively alleviate above-mentioned problem, realizes effectively that big rivers collect purification and urban emergency drainage.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 and 2, the rainwater collecting and utilizing device with a water-sand separation function according to the present invention includes: the device comprises a silt settling pond 1, steel plate shutters 2, embedded parts 3, steps 4 and sand filtering walls 5.
The sedimentation tank 1 is embedded in the flow passage downwards, covered by the road surface and provided with a water inlet; the steel plate shutter 2 covers the water inlet; the embedded part 3 is arranged in the middle of the side wall of the desilting pond 1, and the steel plate shutter 2 is fixed at the mounting bayonet of the desilting pond 1; the step 4 is arranged in the sediment tank 1 and extends from the bottom of the water inlet of the sediment tank 1 to the bottom of the sediment tank 1; the sand filtering wall 5 is arranged at the bottom of the sediment tank 1 and extends upwards from the bottom of the sediment tank 1 to the bottom of the pavement.
The rainwater mixture flows through the water inlet to reach the steel plate shutter 2, the rainwater mixture is subjected to preliminary separation through the steel plate shutter 2, the energy dissipation is carried out on the rainwater mixture subjected to preliminary separation through the step 4, and finally the rainwater mixture subjected to energy dissipation is subjected to secondary separation through the sand filtering wall 5, so that rainwater to be utilized is obtained.
Further, the rainwater collecting and utilizing device with the water-sand separation function is divided into an upward convex type and a downward concave type according to the arrangement working condition, wherein the upward convex type is shown in fig. 1, and the downward concave type is shown in fig. 2. The sedimentation tank 1 is divided into an upper convex shape and a lower concave shape, the sedimentation tank 1 is of a cuboid structure and is formed by pouring reinforced concrete, the bottom of the sedimentation tank 1 is 250cm long, 150cm wide and 100cm high, the sedimentation tank 1 is embedded in a pavement for 85cm downwards, and the upstream surface is convex or concave for 15cm upwards. The bottom of the water inlet of the sediment tank 1 is flush with the road surface, the concave surface below the sediment tank 1 and the side upstream surface are provided with ladder installation bayonets with width and height of 5cm, the embedded part 3 is embedded in the middle of the side wall of the convex side and the concave side of the sediment tank 1, the ladder 4 is arranged on the water inlet side, and the sand filtering wall 5 is arranged at the rear part in the sediment tank 1.
The ladder 3 is formed by casting plain concrete and is used for eliminating partial energy in water, the step width of the ladder 4 is 20cm, the step height is 15cm, and the ladder structure is shown in a schematic diagram in figure 3.
Further, as shown in fig. 1 and 2, the rainwater collection and utilization device further includes: and the energy dissipation bank 6.
The energy dissipation ridge 6 is arranged at the bottom of the sediment tank 1 and is positioned between the ladder 4 and the sand filtering wall 5, and is used for performing secondary energy dissipation on rainwater flowing through the ladder 4, and mainly eliminating part of energy of water flow at the bottom of the tank.
Preferably, the number of the energy dissipation sills 6 is plural, and the plural energy dissipation sills 6 are equally spaced at the bottom of the sediment tank 1. In an embodiment of the present invention, as shown in fig. 4, the energy dissipation banks 6 have a rectangular parallelepiped structure, and are uniformly arranged with a width of 20cm and a height of 20cm, and are perpendicular to the water flow at intervals of 20 cm.
Specifically, the steel plate shutter 2 is formed by welding steel plates. In one embodiment of the present invention, as shown in fig. 1, the steel plate louver 2 includes a first steel plate louver 21 and a second steel plate louver 22. The steel plate shutter is used for intercepting garbage, leaves, branches, large particles and changing the water flow direction for the first time.
The included angle between each blade of the first steel plate shutter 21 and the horizontal plane is 90 degrees, the included angle between each blade of the second steel plate shutter 22 and the horizontal plane is 45 degrees, the first steel plate shutter 21 and the second steel plate shutter 22 form an L-shaped structure, namely the first steel plate shutter 21 is a 90-degree steel plate shutter, each blade is 3cm thick, 4cm wide, the blade interval is 4cm, the frame is a rectangular square frame, the short side is 10cm wide, the thickness is 5cm, the long side is 5cm wide, the thickness is 5cm, the welding span is 150cm, the width is 65cm, the span is 150cm, the steel plate shutters with the width of 30cm are respectively applied to upward-protruding and downward-recessed rainwater collecting and utilizing devices, and the structural schematic diagram of the first steel plate shutter is shown in fig. 5; the second steel plate shutter 22 is a vertical 45-degree steel plate shutter on the upstream surface, each blade is 0.8mm thick, 4cm wide, the blade spacing is 4cm, the length and the width of the frame are 5cm, the thickness is 5cm, the welding span is 150cm, the width is 65cm, the span is 150cm, the width is 30cm, the second steel plate shutter is respectively applied to the upward-protruding type and downward-recessed type rainwater collection and utilization devices, and the structural schematic diagram of the second steel plate shutter is shown in figure 6.
Preferably, in one embodiment of the present invention, as shown in fig. 2, the steel plate louver includes a first steel plate louver 21, a second steel plate louver 22, and a third steel plate louver 23.
The included angle between each blade of the first steel plate shutter 21 and the horizontal plane is 90 degrees, the included angle between each blade of the second steel plate shutter 22 and the horizontal plane is 45 degrees, and the included angle between each blade of the third steel plate shutter 23 and the horizontal plane is 45 degrees. The third steel plate shutter 23 is a horizontal water facing surface 45-degree steel plate shutter, each blade is 3cm thick, 4cm wide, and the blade spacing is 4cm. The length of the steel plate shutter is 130cm, the frame is a rectangular square frame, the short side is 10cm wide, a steel plate shutter with the length of 150cm and the width of 40cm is welded, and the structural schematic diagram of the third steel plate shutter is shown in figure 7.
The first steel plate shutter 21 is arranged at the top of the desilting pond 1, the second steel plate shutter 22 is arranged on the side wall of the desilting pond 1, which faces the water surface, through the embedded part 3, and the third steel plate shutter 23 is arranged on the concave surface mounting bayonet of the desilting pond 1.
Further, the rainwater collection and utilization device further includes:
and the water outlet 7 is arranged at the side part of the desilting pond 1 and is used for discharging the rainwater to be utilized.
Preferably, the bottom of the water inlet is higher than the bottom of the water outlet 7. Specifically, the bottom of the water inlet is 10cm higher than the bottom of the water outlet 7, and the top and the water inlet surface of the sediment tank 1 are provided with ladder mounting bayonets with the height and the width of 5cm.
Further, the sand filtering wall 5 includes a permeable concrete layer 51 and a gabion layer 52. Specifically, as shown in fig. 4, the permeable concrete layer is 5cm thick, the gabion layer is 20cm thick, the wall height is 90cm, and the stone particle size is 5-10 cm.
Specifically, the embedded part 3 is a screw rod, and the embedded part 3 is used for fixing the steel plate shutter 2 at the bottom of the water inlet through a nut. Wherein the diameter of the screw rod is 12cm, the length of the screw rod is 22cm, 15cm of the screw rod is pre-buried in the middle of the side wall of the sediment tank 1, and the steel plate shutter 2 is installed at the other 7cm through nuts. The nut is M12.
Specifically, the working process of the invention is as follows: the water flow passes through the steel plate shutter 2 to intercept large particles, garbage, leaves, branches and the like in the water for the first time to realize primary separation, forms opposite flushing water flow opposite flushing energy dissipation in the air through the steel plate shutter of 45 degrees and 90 degrees, falls the water flow to pass through the step 4 and the energy dissipation bank 6 to dissipate energy, enlarges the water cross section through the sedimentation tank 1 to reduce the flow speed and fully precipitate, finally passes through the sand filtering wall 5 to realize secondary separation, and the redundant water is discharged into farmlands, rivers and lakes, and is collected in the tank below the water outlet 7 for urban greening. The steel plate shutter 2 can be taken out through the installation of the embedded part 3, and enters the sediment tank 1 through the step 4, so that the sediment in the sediment tank 1 is cleaned in time. The invention realizes water-sand separation in an ecological environment-friendly mode, and the upward convex and downward concave parts of the device increase the drainage area, thereby being beneficial to timely draining accumulated water on road surfaces in stormy weather and being suitable for emergency drainage in large water flow and cities.
In the description of the present invention, it should be understood that the terms "middle," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present invention.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (7)
1. A rainwater collection and utilization device with a water-sand separation function, characterized in that the rainwater collection and utilization device comprises: the device comprises a silt settling pond, steel plate shutters, embedded parts, steps and sand filtering walls;
the sedimentation tank is embedded in the flow passage, covered by the road surface and provided with a water inlet; the steel plate shutter covers the water inlet; the embedded part is arranged in the middle of the side wall of the desilting tank, and the steel plate shutter is fixed at the mounting bayonet of the desilting tank; the ladder is arranged in the sediment tank and extends from the bottom of the water inlet of the sediment tank to the bottom of the sediment tank; the sand filtering wall is arranged at the bottom of the desilting tank and extends upwards from the bottom of the desilting tank to the bottom of the pavement;
the rainwater mixture flows through a water inlet to reach the steel plate shutter, the preliminary separation is carried out on the rainwater mixture through the steel plate shutter, the energy dissipation is carried out on the rainwater mixture after the preliminary separation through the step, and finally the secondary separation is carried out on the rainwater mixture after the energy dissipation through the sand filtering wall, so that rainwater to be utilized is obtained;
the steel plate shutter is used for intercepting garbage, leaves, branches and large particles for the first time and changing the water flow direction;
the steel plate louver comprises a first steel plate louver and a second steel plate louver, the included angle between each blade of the first steel plate louver and the horizontal plane is 90 degrees, the included angle between each blade of the second steel plate louver and the horizontal plane is 45 degrees, and the first steel plate louver and the second steel plate louver form an L-shaped structure or the steel plate louver comprises the first steel plate louver, the second steel plate louver and a third steel plate louver, the included angle between each blade of the first steel plate louver and the horizontal plane is 90 degrees, the included angle between each blade of the second steel plate louver and the horizontal plane is 45 degrees, and the included angle between each blade of the third steel plate louver and the horizontal plane is 45 degrees.
2. The rainwater collection and utilization device having a water-sand separation function according to claim 1, further comprising:
the energy dissipation bank is arranged at the bottom of the sediment tank, is positioned between the ladder and the sand filtering wall and is used for conducting secondary energy dissipation on rainwater flowing through the ladder.
3. The device for collecting and utilizing rainwater with water and sand separation function according to claim 2, wherein the number of the energy dissipation silts is plural, and the energy dissipation silts are arranged at the bottom of the sedimentation tank at equal intervals.
4. The rainwater collection and utilization device having a water-sand separation function according to claim 1, further comprising:
the water outlet is arranged at the side part of the sedimentation tank and is used for discharging the rainwater to be utilized.
5. The rainwater collection and utilization device with a water-sand separation function according to claim 4, wherein the bottom of the water inlet is higher than the bottom of the water outlet.
6. The rainwater collection and utilization device with a water-sand separation function according to claim 1, wherein the sand filtering wall comprises a permeable concrete layer and a gabion layer.
7. The rainwater collection and utilization device with the water-sand separation function according to claim 1, wherein the embedded part is a screw rod, and the embedded part is used for installing and fixing the steel plate shutter at the bottom of the water inlet through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120384.5A CN114482190B (en) | 2022-02-07 | 2022-02-07 | Rainwater collection and utilization device with water-sand separation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120384.5A CN114482190B (en) | 2022-02-07 | 2022-02-07 | Rainwater collection and utilization device with water-sand separation function |
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| CN114482190A CN114482190A (en) | 2022-05-13 |
| CN114482190B true CN114482190B (en) | 2023-11-17 |
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| CN202210120384.5A Active CN114482190B (en) | 2022-02-07 | 2022-02-07 | Rainwater collection and utilization device with water-sand separation function |
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| CN213114915U (en) * | 2020-07-22 | 2021-05-04 | 宿迁市高速铁路建设发展有限公司 | Road surface drainage device based on sponge city |
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