Multifunctional trash holding system for infiltrating rainwater in greenbelt
Through the design of multi-stage filtration sedimentation tanks and cleaning devices, the pollution and blockage problems of the sponge city infiltration system are solved, efficient impurity interception and rainwater purification are achieved, maintenance costs are reduced, and service life is extended.
Patent Information
- Application Number
- CN202421998892.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The existing sponge city infiltration system lacks effective pollutant interception devices, resulting in rainwater flowing directly into the infiltration facilities through the ground gravel belt, causing pollution, blockage, short service life, and high maintenance costs.
A multi-stage filtration sand settling tank design is adopted, including a grille filter device, a mesh filter device, a sand settling tank and a rainwater grate. Combined with a cleaning device, multi-stage filtration and easy disassembly and assembly functions are achieved. Impurities are intercepted by the grille filter device and the mesh filter device, and the cleaning device cleans surface dirt.
Effectively intercept debris of various specific gravities, prevent blockage, improve infiltration efficiency, reduce maintenance costs, extend service life, and ensure rainwater purification effect.
Smart Images

Figure CN223386750U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of sponge cities, and in particular to a multifunctional sewage interception system for rainwater infiltrating green lands. Background Art
[0002] The current sponge city infiltration system generally uses infiltration facilities and storage facilities such as roof greening, sunken green space, infiltration ponds, wet ponds, rainwater wetlands, regulating ponds, grass-planted ditches, and vegetation buffer zones. However, most of the existing sponge city infiltration systems lack pollutant interception devices. Rainwater often flows directly into the sunken green land through the gravel belt on the ground. The infiltration facilities are seriously polluted, and after a certain period of time, the planting soil will become compacted and blocked, resulting in reduced infiltration efficiency or even failure of sponge city facilities. The service life is very short, and after long-term use, the internal structure absorbs too many impurities and needs to be cleaned in time. When the internal structure is damaged, the filter device needs to be replaced, which takes a lot of manpower and material resources, resulting in excessively high property management costs. Utility Model Content
[0003] The purpose of the utility model is to provide a multifunctional sewage interception system for rainwater infiltration into green land, which can filter rainwater and intercept sewage step by step, can be easily disassembled and cleaned, and is multifunctional and practical.
[0004] The technical solution adopted by the multifunctional sewage interception system for rainwater infiltration in green land disclosed in the utility model is:
[0005] The multifunctional sewage interception system for rainwater infiltration in green land includes a grille filter device, a mesh filter device, a sedimentation tank, a prefabricated plate and multiple groups of rainwater grates. The sedimentation tank is sequentially arranged with a first-level sedimentation tank, a second-level sedimentation tank and a third-level sedimentation tank according to the direction of water flow. The side of the first-level sedimentation tank is connected with multiple water inlet pipes. A group of rainwater grates is arranged above the first-level sedimentation tank. The grille filter device is arranged between the first-level sedimentation tank and the second-level sedimentation tank. The mesh filter device is arranged between the second-level sedimentation tank and the third-level sedimentation tank. The first-level sedimentation tank, the second-level sedimentation tank and the third-level sedimentation tank are interconnected. The prefabricated plate is fixedly arranged above the secondary sedimentation tank and the tertiary sedimentation tank, and is characterized in that the grille filtering device includes a base, a first column, a second column and a filter grille, the first column and the second column are arranged parallel to each other, the filter grille is arranged between the first column and the second column, and the first column and the second column are provided with a plug-in groove and a slide groove on the side walls, the plug-in groove is arranged below the slide groove, and sliding rods are provided on both sides of the filter grille, the sliding rods are slidably arranged in the slide groove, and the sliding rods are provided with a snap-in assembly, and the snap-in assembly and the plug-in groove form a snap-in connection.
[0006] As a preferred solution, the clamping assembly includes a connecting seat, a buffer spring and a clamping piece. The connecting seat is fixed to the side of the sliding rod. The surface of the connecting seat is provided with a plurality of grooves. The buffer spring is arranged in the grooves. One end of the buffer spring is fixedly connected to the connecting seat, and the other end is fixedly connected to the clamping piece.
[0007] As a preferred solution, the clamping member includes a T-shaped block fixedly connected to the buffer spring, a clamping block fixedly connected to the T-shaped block, and a second spring arranged between the T-shaped block and the clamping block, one end of the second spring is fixedly connected to the T-shaped block, and the other end is fixedly connected to the clamping block.
[0008] As a preferred solution, a blind pipe is connected to the side of the tertiary sedimentation tank, an overflow tank is arranged next to the tertiary sedimentation tank, a drainage pipe is connected between the overflow tank and the tertiary sedimentation tank, so that the tertiary sedimentation tank and the overflow tank are connected, the rainwater grate is arranged above the overflow tank, the overflow tank is provided with an overflow pipe, one end of the overflow pipe is connected to the overflow tank, and the other end of the overflow pipe is connected to the outside world, and an overflow rainwater outlet is provided next to the overflow tank.
[0009] As a preferred solution, a cleaning device is provided on the top of the grille filter device, and the cleaning device includes a mounting beam fixed to the first column and the second column with bolts, a fixing plate is connected between the mounting beams, and multiple groups of cleaning motors are provided on the fixing plate, the output end of the cleaning motor is fixedly connected to a cleaning wheel, the upper surface of the fixing plate is fixedly connected to a scraper, and the scraper is in contact with the filter grille, and drive motors are provided at both ends of the fixing plate, and the output end of the drive motor is fixedly connected to a transmission gear, and the inner side walls of the mounting beams are fixedly connected to racks, and the transmission gear is meshed with the rack.
[0010] As a preferred solution, the grid filtering device includes a base, a first column, a second column and a filter grid, the filter grid is snap-connected between the first column and the second column, the first column and the second column are arranged in parallel, and the side walls of the first column and the second column are both provided with a plug-in groove and a slide groove, the plug-in groove is arranged below the slide groove, and sliding rods are provided on both sides of the filter grid, the sliding rods are installed in the slide groove to form a sliding connection, and the sliding rods are provided with a snap-in assembly, and the snap-in assembly is installed in the plug-in groove to form a snap-in connection.
[0011] As a preferred solution, a limit rod is provided above the rain grate, the prefabricated plate is provided with a limit block, the limit rod and the limit block are bolted together, and an anti-fall grille is provided below the rain grate.
[0012] The beneficial effects of the multifunctional sewage interception system for infiltrating green space rainwater disclosed by the utility model are as follows: the utility model patent includes a grille filter device, a grid filter device, a sedimentation tank, a prefabricated plate and multiple groups of rainwater grates, wherein the grille filter device and the grid filter device have easy disassembly and cleaning functions. When the filter grille and the filter grid need to be replaced after long-term use, the matching setting of the snap-on assembly and the plug-in slot can quickly install or disassemble the filter grille or the filter grid, thereby improving the disassembly and assembly efficiency, simplifying the operation, saving manpower and material resources, and the cleaning device can clean the impurities adsorbed on the filter grille and the filter grid, so that the sewage interception and filtration effect is better, and the practicality and convenience of the device are improved.
[0013] The multifunctional sewage interception system for infiltrating green space rainwater adopts a multi-stage filtration sedimentation tank approach, which intercepts and filters impurities through multiple layers of rainwater grates, grille filters and mesh filters. It can effectively intercept debris of various specific gravities without affecting the flow resistance. By adding an overflow pipe, it prevents the blockage of the sewage interception tank due to lack of property management, which may cause waterlogging accidents caused by poor drainage in heavy rain weather.
[0014] The multi-stage filtration sedimentation tank has a certain water storage capacity to prevent the highly polluted initial rainwater from directly flowing into the infiltration facility and polluting the greening. It can be stored, deposited and filtered in the multi-stage filtration sedimentation tank. After being diluted with the clearer rainwater in the later stage, it will not begin to overflow into the infiltration facility until the water level is higher than the last level of rainwater grate, so that the rainwater entering the infiltration facility will be further purified. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a plan view of the utility model of a multifunctional sewage interception system for rainwater infiltration into green land.
[0016] Figure 2 It is a cross-sectional view of the utility model of a multifunctional sewage interception system for rainwater infiltration into green land.
[0017] Figure 3 It is a schematic diagram of the interior of the utility model's multifunctional sewage interception system for infiltrating green space rainwater.
[0018] Figure 4 It is a cross-sectional view of a three-stage sedimentation tank and an overflow tank of a multifunctional sewage interception system for rainwater infiltration into green land according to the utility model.
[0019] Figure 5 It is a structural schematic diagram of a cleaning device of a multifunctional sewage interception system for rainwater infiltrating green land according to the utility model.
[0020] Figure 6 The utility model is a structural diagram of a grid filtering device and a cleaning device of a multifunctional sewage interception system for rainwater infiltrating green land.
[0021] Figure 7It is a partial structural diagram of the grid filtering device of the utility model's multifunctional sewage interception system for rainwater infiltration into green land.
[0022] Figure 8 It is a structural schematic diagram of the clamping components of the utility model's multifunctional sewage interception system for infiltrating green space rainwater.
[0023] Figure 9 The utility model is a schematic diagram of the internal structure of the grid filter device of the multifunctional sewage interception system for infiltrating green land rainwater. DETAILED DESCRIPTION
[0024] The present invention will be further described and explained below in conjunction with specific embodiments and accompanying drawings:
[0025] Please refer to Figures 1 to 9 , a multifunctional sewage interception system for infiltrating green space rainwater, comprising a grille filter device 10, a grid filter device 20, a sedimentation tank 30, a prefabricated plate 50 and a plurality of groups of rainwater grates 60, wherein the grille filter device 10 and the grid filter device 20 are arranged in the sedimentation tank 30, and the sedimentation tank is sequentially arranged with a first-level sedimentation tank 31, a second-level sedimentation tank 32 and a third-level sedimentation tank 33 according to the direction of water flow, a plurality of water inlet pipes are connected to the side of the first-level sedimentation tank 31, a group of rainwater grates 60 are arranged above the first-level sedimentation tank 31, the grille filter device 10 is arranged between the first-level sedimentation tank 31 and the second-level sedimentation tank 32, the grid filter device 20 is arranged between the second-level sedimentation tank 32 and the third-level sedimentation tank 33, the first-level sedimentation tank 31, the second-level sedimentation tank 32 and the third-level sedimentation tank 33 are interconnected, the prefabricated plate 50 is fixedly arranged above the secondary sedimentation tank 20 and the tertiary sedimentation tank 30, the grille filtering device 10 includes a base 11, a first column 12, a second column 13 and a filter grille 14, the filter grille 14 is arranged between the first column 12 and the second column 13, the first column 12 and the second column 13 are arranged parallel to each other, the first column 12 and the second column 13 are provided with a plug-in groove 15 and a slide groove 16 on the side walls, the plug-in groove 15 is arranged below the slide groove 16, and sliding rods 17 are provided on both sides of the filter grille 14, the sliding rods 17 are installed in the slide groove 16 to form a sliding connection, and the sliding rod 17 is provided with a snap-in assembly 18, and the snap-in assembly 18 is installed in the plug-in groove 15 to form a snap-in connection.
[0026] Please refer to Figure 7 and Figure 8The clamping assembly 18 includes a connecting seat 181, a buffer spring 182 and a clamping piece 183. The connecting seat 181 is fixed on the side of the sliding rod 17. The surface of the connecting seat 181 is provided with a plurality of grooves. The buffer spring is arranged in the grooves. One end of the buffer spring 182 is fixedly connected to the connecting seat 181, and the other end is fixedly connected to the clamping piece 183.
[0027] The clamping member 183 includes a T-shaped block 184 fixedly connected to the buffer spring 182, a clamping block 185 fixedly connected to the T-shaped block 184, and a second spring arranged between the T-shaped block 184 and the clamping block 185, one end of the second spring is fixedly connected to the T-shaped block 184, and the other end is fixedly connected to the clamping block 185.
[0028] Please refer to Figures 6 to 9 The grid filtering device 20 includes a base 11, a first column 12, a second column 13 and a filter grid 21. The filter grid 21 is arranged between the first column 12 and the second column 13. The first column 12 and the second column 13 are arranged parallel to each other. The side walls of the first column 12 and the second column 13 are both provided with a plug-in groove 15 and a slide groove 16. The plug-in groove 15 is arranged below the slide groove 16. Sliding rods 17 are provided on both sides of the filter grid 21. The sliding rods 17 are installed in the slide groove 16 to form a sliding connection. The sliding rods 17 are provided with a snap-on assembly 18, and the snap-on assembly 18 is installed in the plug-in groove 15 to form a snap-on connection.
[0029] The external structure of the grid filter device 20 is consistent with the external structure of the grid filter device 10, and the internal structure is changed from the filter grid 14 to the filter grid 21. The working mesh gap of the filter grid 21 is smaller than the working mesh gap of the filter grid 14. The grid filter device 20 is provided with the cleaning device 70.
[0030] Please refer to Figure 4 A blind pipe 51 is connected to the side of the tertiary sedimentation tank 33, and an overflow tank 40 is arranged next to the tertiary sedimentation tank 33. A drainage pipe 52 is connected between the overflow tank 40 and the tertiary sedimentation tank 33, so that the tertiary sedimentation tank 33 and the overflow tank 40 are connected. The rainwater grate 60 is arranged above the overflow tank 40. When the water level of the overflow tank 40 rises, it can flow out to the outside through the rainwater grate 60. An overflow pipe 41 is connected to the side of the overflow tank 40, one end of the overflow pipe 41 is connected to the overflow tank 40, and the other end of the overflow pipe 41 is connected to the outside. An overflow rainwater outlet 80 is provided next to the overflow tank.
[0031] An overflow tank 40 is provided next to the tertiary sedimentation tank 33, and an overflow pipe 41 is provided next to the overflow tank 40 to prevent the blockage of the sewage tank due to lack of property management, which may cause waterlogging accidents caused by poor drainage during heavy rain. The sedimentation tank 30 has a certain water storage capacity to prevent the highly polluted initial rainwater from directly flowing into the infiltration facility and polluting the greening. After multi-stage filtration, the water can be stored, deposited and filtered in the sedimentation tank 30. After being diluted with the clearer rainwater in the later period, the water will overflow into the infiltration facility until the water level is higher than the rainwater grate 60 above the overflow tank 40, so that the rainwater entering the infiltration facility is further purified.
[0032] Please refer to Figure 5 and Figure 6 A cleaning device 70 is provided on the top of the grille filter device 10, and the cleaning device 70 includes a mounting beam 71 fixed to the first column 12 and the second column 13 with bolts. A fixing plate 72 is connected between the mounting beams 71, and multiple groups of cleaning motors 73 are provided on the fixing plate 72. The output end of the cleaning motor 73 is fixedly connected to a cleaning wheel 74, and the upper surface of the fixing plate 72 is fixedly connected to a scraper 75, and the scraper 75 abuts against the filter grille 14. Drive motors 76 are provided at both ends of the fixing plate 72, and the output end of the drive motor 76 is fixedly connected to a transmission gear 77. The inner side walls of the mounting beams 71 are fixedly connected to racks 78, and the transmission gear 77 is meshed with the rack 78.
[0033] After prolonged use of the grille filter device 10 and the mesh filter device 20, a large amount of debris will be absorbed by the surfaces of the filter grille 14 and the filter mesh 21. First, remove the filter grille 14 and the filter mesh 21 and place them on the ground. Then, place the cleaning device 70 on the grille filter device 10 or the mesh filter device 20. Drive the fixing plate 72 up and down via the drive motor 76, enabling the scraper 75 to perform a primary cleaning operation on the filter grille 14 or the mesh filter device 20. Then, the cleaning motor 73 and the electric cleaning wheel 74 operate to perform a secondary cleaning operation on the filter grille 14 and the filter mesh 21. The scraper 75 and the cleaning wheel 74 cooperate with each other to increase the cleaning speed and efficiency of the grille filter device 10 and the mesh filter device 20, reduce the adhesion of surface dirt, and provide a cleaner cleaning experience, thereby extending the service life. Generally, the cleaning device 70 is removed and installed when cleaning is required.
[0034] A limit rod is provided above the rain grate 60 , and a limit block is provided on the prefabricated plate. The limit rod and the limit block are connected by bolts. An anti-falling grille 61 is provided below the rain grate 60 .
[0035] An anti-falling grille 61 is set below the rain grate 60 to prevent falling accidents and enhance safety. The anti-falling grille 61 uses a limit rod and a limit block to form a bolt connection, and the rain grate 60 is detachably fixed. After it is opened, pollutants can be removed by manual or mechanical cleaning, and the operation is simple and convenient.
[0036] External clean wastewater and indoor and outdoor rainwater are discharged into the primary sedimentation tank 31 from the water inlet pipe, and the rainwater on the ground is discharged into the primary sedimentation tank 31 through the rainwater grate 60. Then, a multi-stage filtration sedimentation tank is adopted. The sewage is intercepted and filtered for impurities through the grille filter device 10 and the grid filter device 20. The working mesh gap size of the filter grille 14 is larger than the working mesh gap size of the filter grid 21. The grille filter device 10 first performs a first filtration and precipitation on larger impurities. The filtered sewage flows into the secondary sedimentation tank 32, and then passes through the grid filter device 20 for a second filtration and precipitation, and finally is filtered into the tertiary sedimentation tank 33. Multi-stage filtration can effectively intercept debris of various specific gravities without affecting the flow resistance, so that the rainwater entering the infiltration facility is further purified with obvious effect. The grille filter device 10 and the grid filter device 20 both have the function of easy disassembly and assembly. When the filter grille 14 and the filter grid 21 need to be replaced after long-term use, the sliding rods 17 on both ends of the filter grille 14 can be slidably set in the slide groove 16, and the filter grille 14 can be easily slid into the first column 12 and the second column 13 placed at both ends, or slid out. The first column 12 and the second column 13 are also provided with a plug-in groove 15, and the clamping assembly 18 on the sliding rod 17 can be plugged into the plug-in groove 15 and clamped therewith, so that the filter grille 14 is firmly installed, the overall operation is simple and convenient, manpower and material resources are saved, and the practicality and convenience of the device are improved.
[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.
Claims
1. A multifunctional sewage interception system for rainwater infiltration in green land, comprising a grille filter device, a mesh filter device, a sedimentation tank, a prefabricated plate and multiple groups of rainwater grates, wherein the sedimentation tank comprises a first-level sedimentation tank, a second-level sedimentation tank and a third-level sedimentation tank arranged in sequence according to the direction of water flow, a plurality of water inlet pipes are connected to the side of the first-level sedimentation tank, a group of rainwater grates are arranged above the first-level sedimentation tank, the grille filter device is arranged between the first-level sedimentation tank and the second-level sedimentation tank, the mesh filter device is arranged between the second-level sedimentation tank and the third-level sedimentation tank, the first-level sedimentation tank, the second-level sedimentation tank and the third-level sedimentation tank are interconnected, and the prefabricated plate is fixedly arranged above the second-level sedimentation tank and the third-level sedimentation tank, characterized in that: The grid filtering device includes a base, a first column, a second column and a filtering grid, the first column and the second column are arranged in parallel, the filtering grid is arranged between the first column and the second column, the first column and the second column are provided with a plug-in groove and a slide groove on the side walls, the plug-in groove is arranged below the slide groove, sliding rods are provided on both sides of the filtering grid, the sliding rods are slidably arranged in the slide groove, the sliding rods are provided with a clamping assembly, and the clamping assembly and the plug-in groove form a clamping connection.
2. The multifunctional sewage interception system for rainwater infiltration in green land according to claim 1 is characterized in that: The clamping assembly includes a connecting seat, a buffer spring and a clamping piece. The connecting seat is fixed to the side of the sliding rod. The surface of the connecting seat is provided with a plurality of grooves. The buffer spring is arranged in the grooves. One end of the buffer spring is fixedly connected to the connecting seat, and the other end is fixedly connected to the clamping piece. The clamping member includes a T-shaped block fixedly connected to the buffer spring, a clamping block fixedly connected to the T-shaped block, and a second spring arranged between the T-shaped block and the clamping block, one end of the second spring is fixedly connected to the T-shaped block, and the other end is fixedly connected to the clamping block.
3. The multifunctional sewage interception system for rainwater infiltration in green land according to claim 1 is characterized in that: The multifunctional sewage interception system for infiltrating green space rainwater includes an overflow tank, which is arranged next to the three-stage sedimentation tank. A blind pipe is connected to the side of the three-stage sedimentation tank. One end of the overflow tank is connected to a drainage pipe, and the other end of the drainage pipe is connected to the three-stage sedimentation tank. The rainwater grate is arranged above the overflow tank, and the overflow tank is provided with an overflow pipe. One end of the overflow pipe is connected to the overflow tank, and the other end of the overflow pipe is connected to the outside world. An overflow rainwater outlet is provided next to the overflow tank.
4. The multifunctional sewage interception system for rainwater infiltration in green land according to claim 1 is characterized in that: A cleaning device is provided on the top of the grille filter device, and the cleaning device includes a mounting beam fixed to the first column and the second column with bolts, a fixing plate is connected between the mounting beams, and multiple groups of cleaning motors are provided on the fixing plate, the output end of the cleaning motor is fixedly connected to a cleaning wheel, the upper surface of the fixing plate is fixedly connected to a scraper, and the scraper abuts against the filter grille, and drive motors are provided at both ends of the fixing plate, and the output end of the drive motor is fixedly connected to a transmission gear, and the inner side walls of the mounting beams are fixedly connected to racks, and the transmission gear is meshed with the rack.
5. The multifunctional sewage interception system for rainwater infiltration in green land according to claim 1 is characterized in that: The grid filtering device includes a base, a first column, a second column and a filter grid. The filter grid is snap-connected between the first column and the second column. The first column and the second column are arranged in parallel. Sliding rods are provided on both sides of the filter grid. The sliding rods are installed in the slide groove to form a sliding connection. The snap-connection assembly is installed in the plug-in groove to form a snap-connection.
6. The multifunctional sewage interception system for rainwater infiltration in green land according to claim 1, characterized in that: A limiting rod is provided above the rain grate, a limiting block is provided on the prefabricated plate, the limiting rod and the limiting block are connected by bolts, and an anti-falling grille is provided below the rain grate.