A silt separation device for rainwater treatment

Abstract

The utility model discloses a kind of silt separation equipment for rainwater treatment, including rainwater pool and net cylinder, the top of rainwater pool is fixedly installed with seat frame, the top of seat frame is fixedly connected with fixed frame, the top of fixed frame is provided with rolling assembly, net cylinder is rotatably connected in the top of rolling assembly by side rolling ring;The side of fixed frame is fixedly connected with connecting frame, and the one end of connecting frame is fixedly installed with silt collection guide frame.The utility model is that net cylinder is continuously rotated under the drive of driving assembly, rainwater in the barrel is separated from silt initially under the action of centrifugal force, while spraying assembly sprays high-pressure water flow downward, flushes net cylinder surface and penetrates mesh, further strips fine sand particles, improves the passability and neatness of mesh in net cylinder, double-acting mechanism mechanical net cylinder rotation+hydraulic flushing significantly improves separation efficiency, supports uninterrupted processing large-flow rainwater, without manual cleaning, avoid the shutdown problem caused by traditional filter screen intermittent cleaning.

Description

Technical Field

[0001] This utility model relates to the technical field of rainwater treatment equipment, and in particular to a sediment separation device for rainwater treatment. Background Technology

[0002] In the field of rainwater treatment, especially in the collection and purification of initial rainwater, effectively separating solid impurities such as silt and particulate matter carried in rainwater is a crucial pretreatment step. Currently, common silt separation equipment for rainwater treatment mainly includes grit chambers, hydrocyclones, and bar filters. Grit chambers mainly rely on the principle of gravity settling to reduce the water flow velocity, thereby allowing heavier silt to settle naturally. Hydrocyclones utilize centrifugal force to throw silt against the wall and settle in a high-speed rotating water flow. Bar filters remove larger particles of impurities through physical interception.

[0003] In the physical interception of rainwater and sediment, the screen cylinder filters out sediment. However, rainwater contains not only sediment but also complex materials such as leaves, plastic fragments, fibers, and fine particles of sediment adhered to by grease. This can quickly clog the screen cylinder. This clogging not only drastically reduces the equipment's water flow capacity and sediment separation efficiency, leading to a decrease in processing capacity or even interruption, but also forces the system to be shut down frequently for manual cleaning and maintenance. Manual cleaning is not only labor-intensive, inefficient, and increases operation and maintenance costs, but also poses safety risks and inconveniences in harsh conditions such as frequent heavy rain or when the equipment is located in underground wells or confined spaces. At the same time, frequent shutdowns for maintenance also seriously affect the continuity and reliability of the rainwater treatment system.

[0004] Therefore, how to provide a sediment separation device for rainwater treatment is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] One objective of this invention is to provide a sediment separation device for rainwater treatment, which solves the problems mentioned in the background art.

[0006] A sediment separation device for rainwater treatment according to an embodiment of the present invention includes a rainwater tank and a screen cylinder. A base frame is fixedly installed on the top of the rainwater tank, and a fixed frame is fixedly connected to the top of the base frame. A rolling assembly is provided on the top of the fixed frame, and the screen cylinder is rotatably connected to the top of the rolling assembly via a side rolling ring. A connecting frame is fixedly connected to the side of the fixed frame, and a sediment collection guide frame is fixedly installed at one end of the connecting frame. The sediment collection guide frame is movably connected to the inside of the screen cylinder, and one end of the sediment collection guide frame extends from the inside of the screen cylinder to the other end of the screen cylinder. A spray assembly is rotatably connected to the fixed frame, and the spray assembly is located directly above the screen cylinder.

[0007] A sediment collection pool is movably placed on one side of the net cylinder at the outlet end of the sediment collection guide frame.

[0008] The rolling assembly includes a drive assembly and an auxiliary support wheel. The auxiliary support wheel is rotatably connected to the upper surface of the seat frame, and the side rolling rings on both sides of the mesh cylinder are movably placed on the surface of the auxiliary support wheel near the lower position.

[0009] The drive assembly includes a drive motor, two sets of synchronous pulleys, a synchronous belt, and a drive pulley. The drive pulley is rotatably connected to the top of the seat frame. One set of synchronous pulleys is fixedly installed on the side of the drive pulley, and the other set of synchronous pulleys is fixedly connected to the output shaft end of the drive motor. The two ends of the synchronous belt are respectively movably sleeved on the surfaces of the two sets of synchronous pulleys. The upper surface of the drive pulley is movably connected to the side rolling ring of the end face of the mesh cylinder.

[0010] The spray assembly includes a rotating pipe, a connecting pipe, nozzles, and a water pump. The water pump is fixedly installed inside the rainwater tank. One end of the connecting pipe is fixedly connected to the port of the water pump, and the other end of the connecting pipe is fixedly connected to one end of the rotating pipe and communicates with it. The rotating pipe is rotatably connected inside the fixed frame, and the rotating pipe is parallel to the net cylinder. The rotating pipe is located directly above the net cylinder. The nozzles are fixedly installed on the lower surface of the rotating pipe, and the nozzle outlet is vertically downward and located directly above the net cylinder.

[0011] One end of the fixed frame is provided with a transmission assembly, which includes a bracket, a transmission roller, a drive head, and a reciprocating swing frame. The reciprocating swing frame is fixedly connected to the surface of the rotating tube near one end. The bracket is fixedly connected to the surface of the fixed frame. The transmission roller is rotatably connected to the surface of the bracket and is in rolling connection with the side roller ring on the side of the mesh cylinder. The drive head is fixedly connected to the side of the transmission roller near the outermost position and is movably inserted into the inside of the reciprocating swing frame.

[0012] An inner cleaning shaft is rotatably connected to the bracket. The inner cleaning shaft is rotatably connected inside the mesh cylinder and is parallel to the mesh cylinder. A cleaning brush is fixedly installed on the surface of the inner cleaning shaft. A first transmission gear is fixedly connected to the end face of the inner cleaning shaft. A second transmission gear is fixedly sleeved on the surface of the transmission roller. The first transmission gear and the second transmission gear are connected in a transmission connection.

[0013] The beneficial effects of this utility model are: Driven by the drive assembly, the screen cylinder rotates continuously. Rainwater entering the cylinder undergoes initial mud and sand separation under centrifugal force. Simultaneously, the spray assembly sprays high-pressure water downwards, rinsing the surface of the screen cylinder and penetrating the mesh to further remove fine sand particles, improving the permeability and cleanliness of the mesh. This dual-action mechanism of mechanical screen cylinder rotation + water rinsing significantly improves separation efficiency, supports uninterrupted processing of large flow rates of rainwater, eliminates the need for manual cleaning, and avoids the downtime problems caused by the intermittent cleaning of traditional filters.

[0014] When the screen cylinder rotates, the side roller ring drives the first transmission gear through the meshing second transmission gear, which in turn drives the inner cleaning shaft to rotate at a speed opposite to that of the screen cylinder. The cleaning brush continuously scrapes against the inner wall of the screen cylinder, promptly removing mud and sand particles stuck in the mesh holes and effectively preventing clogging. This active cleaning design significantly reduces the frequency of manual cleaning, ensuring long-term stable operation of the equipment. Combined with the rinsing of the spray assembly, it greatly improves the cleaning efficiency of the screen cylinder.

[0015] As the drive roller rotates with the mesh cylinder, its side drive head periodically displaces within the reciprocating swing frame, forcing the rotating tube to swing back and forth along the axis. Combined with the rotational motion of the mesh cylinder itself, this improves the fine sand stripping rate.

[0016] The sediment collection guide frame that runs through the inside of the mesh cylinder adopts an inclined setting and a sloping plate structure. When the centrifugal force and adhesion generated by the rotation of the mesh cylinder are less than the gravity of the sediment, the sediment will fall into the sediment collection guide frame for collection. The inclined surface of the inner wall of the sediment collection guide frame guides the sediment to slide along the frame to the outlet end and fall directly into the external collection pool. This design achieves full physical isolation between sediment and rainwater, avoiding secondary mixing. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a sediment separation device for rainwater treatment proposed in this utility model.

[0019] Figure 2 This is a three-dimensional structural diagram of the position of the sediment collection guide frame in a sediment separation device for rainwater treatment proposed in this utility model.

[0020] Figure 3 This is a cross-sectional three-dimensional structural diagram of the transmission component position in a sediment separation device for rainwater treatment proposed in this utility model.

[0021] Figure 4 This is a three-dimensional structural diagram showing the connection state of the spray component and the transmission component in a sediment separation device for rainwater treatment proposed in this utility model.

[0022] Figure 5 This is a partial three-dimensional structural diagram of the driving component position in the rolling assembly of a sediment separation device for rainwater treatment proposed in this utility model.

[0023] The attached diagram shows: 1. Rainwater pool; 2. Net cylinder; 3. Seat frame; 4. Fixing frame; 5. Rolling assembly; 6. Connecting frame; 7. Sediment collection guide frame; 8. Second transmission gear; 9. Spray assembly; 10. Sediment collection pool; 11. Auxiliary support wheel; 12. Drive motor; 13. Synchronous pulley; 14. Synchronous belt; 15. Drive wheel; 16. Rotary pipe; 17. Connecting pipe; 18. Nozzle; 19. Water pump; 20. Bracket; 21. Transmission roller; 22. Drive head; 23. Reciprocating swing frame; 24. Inner sweeping shaft; 25. Sweeping brush; 26. First transmission gear. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0025] refer to Figure 1-5 In this embodiment, a rainwater pool 1 and a net cylinder 2 are included. A seat frame 3 is fixedly installed on the top of the rainwater pool 1. A fixing frame 4 is fixedly connected to the top of the seat frame 3. A rolling assembly 5 is provided on the top of the fixing frame 4. The net cylinder 2 is rotatably connected to the top of the rolling assembly 5 through side rolling rings. The rolling assembly 5 includes a drive assembly and an auxiliary support wheel 11. The auxiliary support wheel 11 is rotatably connected to the upper surface of the seat frame 3. The side rolling rings on both sides of the net cylinder 2 are movably placed on the surface of the auxiliary support wheel 11 near the lower position.

[0026] In practice, the auxiliary support wheel 11 and the drive wheel 15 are in four sets, which are respectively set at the four support points of the net cylinder 2, so that the rolling force of the net cylinder 2 is uniform.

[0027] refer to Figure 1-5 In this embodiment, the drive assembly includes a drive motor 12, two sets of synchronous pulleys 13, a synchronous belt 14, and a drive pulley 15. The drive pulley 15 is rotatably connected to the top of the seat frame 3. One set of synchronous pulleys 13 is fixedly installed on the side of the drive pulley 15, and the other set of synchronous pulleys 13 is fixedly connected to the output shaft end of the drive motor 12. The two ends of the synchronous belt 14 are respectively movably sleeved on the surfaces of the two sets of synchronous pulleys 13. The upper surface of the drive pulley 15 is movably connected to the side rolling ring of the end face of the mesh cylinder 2.

[0028] In specific implementation, the start of the drive motor 12 will drive the drive wheel 15 at this position to rotate through the synchronous pulley 13 and the synchronous belt 14. The rotation of the drive wheel 15 will drive the side rolling ring to rotate, which will drive the screen cylinder 2 to rotate. When rotating, the screen cylinder 2 will perform a rotating filtration operation on the rainwater. It should be noted that the rainwater enters from the end of the screen cylinder 2 away from the sediment collection pool 10 and below the rainwater collection guide frame.

[0029] refer to Figure 1-5In this embodiment, a connecting frame 6 is fixedly connected to the side of the fixing frame 4, and a mud and sand collection guide frame 7 is fixedly installed at one end of the connecting frame 6. The mud and sand collection guide frame 7 is movably connected to the inside of the net cylinder 2, and one end of the mud and sand collection guide frame 7 extends from the inside of the net cylinder 2 to the other end of the net cylinder 2.

[0030] In practice, the sediment collection guide frame 7 is an inclined frame structure, tilted towards the sediment collection pool 10. The two sides of the sediment collection guide frame 7 are inclined plates, which are close to the inner wall of the mesh cylinder 2. The height of the inclined plates is approximately at the horizontal axis of symmetry of the mesh cylinder 2. Thus, sediment adhering to the inner wall of the mesh cylinder 2 will be subject to gravity above this position. When the adhesion and centrifugal force are insufficient, it will fall into the sediment collection guide frame 7. The purpose of setting this height is that the sediment adhering to the inner wall of the mesh cylinder 2 is at a critical point. Above this height, it will be subject to greater gravity. Therefore, sediment collection at this position has a better effect. The bottom of the sediment collection guide frame 7 is also a mesh structure, which can filter the sprayed water and keep sediment and other impurities inside.

[0031] refer to Figure 1-5 In this embodiment, a sediment collection pool 10 is movably placed on one side of the net cylinder 2 at the outlet end of the sediment collection guide frame 7.

[0032] In practice, the sediment collection guide frame 7 is an inclined frame structure. After collecting sediment and impurities, it will be collected by its own gravity through the inclined surface of the sediment collection pool 10, which facilitates its transfer.

[0033] refer to Figure 1-5 In this embodiment, a spray assembly 9 is rotatably connected to the fixed frame 4. The spray assembly 9 is located directly above the net cylinder 2. The spray assembly 9 includes a rotating pipe 16, a connecting pipe 17, a nozzle 18, and a water pump 19. The water pump 19 is fixedly installed inside the rainwater pool 1. One end of the connecting pipe 17 is fixedly connected to the port of the water pump 19. The other end of the connecting pipe 17 is fixedly connected to one end of the rotating pipe 16 and communicates with it. The rotating pipe 16 is rotatably connected inside the fixed frame 4 and is parallel to the net cylinder 2. The rotating pipe 16 is located directly above the net cylinder 2. The nozzle 18 is fixedly installed on the lower surface of the rotating pipe 16. The outlet of the nozzle 18 is vertically downward and located directly above the net cylinder 2.

[0034] In practice, the rainwater in the rainwater pool 1 is filtered water. After the water pump 19 is started, it transports the rainwater to the transfer pipe 16 through the connecting pipe 17, and then sprays it out through the nozzle 18 on the transfer pipe 16, thereby completing the purpose of water transportation. The drive motor 12 and the water pump 19 are powered by the external municipal power supply system and can be powered by the energy storage battery pack.

[0035] refer to Figure 1-5In this embodiment, a transmission assembly is provided at one end of the fixed frame 4. The transmission assembly includes a bracket 20, a transmission roller 21, a drive head 22, and a reciprocating swing frame 23. The reciprocating swing frame 23 is fixedly connected to the surface of the rotating tube 16 near one end. The bracket 20 is fixedly connected to the surface of the fixed frame 4. The transmission roller 21 is rotatably connected to the surface of the bracket 20 and is in rolling connection with the side roller ring on the side of the mesh cylinder 2. The drive head 22 is fixedly connected to the side of the transmission roller 21 near the outermost position and is movably inserted into the inside of the reciprocating swing frame 23.

[0036] In practice, the reciprocating swing frame 23 is driven to reciprocate by the rotation of the transmission roller 21 and the drive head 22. The reciprocating swing of the reciprocating swing frame 23 will drive the rotating tube 16 to reciprocate on the fixed frame 4. The reciprocating swing of the rotating tube 16 will drive the nozzle 18 to reciprocate, so that the nozzle 18 reciprocates to spray and clean the mesh cylinder 2. In this way, the stubborn mud and sand in the mesh of the mesh cylinder 2 are washed for a longer time, effectively removing the mud and sand and impurities in the mesh of the mesh cylinder 2. Combined with the effect of gravity, the mud and sand fall perfectly into the mud and sand collection guide frame 7.

[0037] refer to Figure 1-5 In this embodiment, an inner cleaning shaft 24 is rotatably connected to the bracket 20. The inner cleaning shaft 24 is rotatably connected inside the mesh cylinder 2 and is parallel to the mesh cylinder 2. A cleaning brush 25 is fixedly installed on the surface of the inner cleaning shaft 24. A first transmission gear 26 is fixedly connected to the end face of the inner cleaning shaft 24. A second transmission gear 8 is fixedly sleeved on the surface of the transmission roller 21. The first transmission gear 26 and the second transmission gear 8 are connected in a transmission connection.

[0038] In practice, the inner cleaning shaft 24 rotates with the transmission roller 21 via the first transmission gear 26 and the second transmission gear 8. The rotation of the inner cleaning shaft 24 drives the cleaning brush 25 to clean the top of the inner wall of the mesh cylinder 2. It should be noted that this cleaning position is located directly below the nozzle 18, and it cleans the mesh cylinder 2 in accordance with the nozzle 18. It cleans the mesh cylinder 2 from the inside and outside, effectively removing impurities and dirt from the mesh of the mesh cylinder 2, and also effectively removing some impurities such as leaves.

[0039] The working principle of this utility model is as follows: After rainwater enters the net cylinder 2, the drive motor 12 drives the drive wheel 15 to rotate via the synchronous belt 14, causing the side rollers on both sides of the net cylinder 2 to rotate on the auxiliary support wheels 11. The net cylinder 2 continues to rotate, separating the mud and sand from the rainwater. The mud and sand remain inside the net cylinder 2, while the rainwater falls into the rainwater pool 1 through the net cylinder 2. The rolling of the net cylinder 2 then causes the mud and sand inside to rotate. When the mud and sand reach a critical point, their increased gravity causes them to fall into the mud and sand collection guide frame 7. The mud and sand collection guide frame 7 inside the net cylinder 2 then guides large particles of mud and sand to the collection pool at the outlet end for collection. Simultaneously, the water pump 19 in the rainwater pool 1 delivers water to the rotating pipe 16, which sprays water downwards onto the surface of the net cylinder 2 through the nozzles 18, washing away the mud and sand. The fine sand and impurities inside the mesh are separated and enhanced. When the mesh cylinder 2 rotates, its side rollers drive the transmission roller 21 to rotate. The drive head 22, which is fixed to the side of the transmission roller 21, is inserted into the reciprocating swing frame 23. In this way, the rotation of the transmission roller 21 drives the reciprocating swing frame 23 to swing back and forth around the rotating tube 16 through the drive head 22. This forces the rotating tube 16 to swing periodically to expand the spray range. In addition, the transmission roller 21 drives the inner cleaning shaft 24 to rotate in the opposite direction through the meshing second transmission gear 8 and the first transmission gear 26. The cleaning brush 25 continuously scrapes the mud and sand attached to the inner wall of the mesh cylinder 2, causing the mud and sand to fall into the mud and sand collection guide frame 7 for collection. The cleaning maintains the permeability of the mesh, and finally achieves efficient separation and automatic collection of rainwater and mud and sand.

[0040] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A sediment separation device for rainwater treatment, characterized in that, It includes a rainwater pool (1) and a net cylinder (2). A seat frame (3) is fixedly installed on the top of the rainwater pool (1). A fixed frame (4) is fixedly connected to the top of the seat frame (3). A rolling component (5) is provided on the top of the fixed frame (4). The net cylinder (2) is rotatably connected to the top of the rolling component (5) through a side rolling ring. A connecting frame (6) is fixedly connected to the side of the fixed frame (4). A mud and sand collection guide frame (7) is fixedly installed at one end of the connecting frame (6). The mud and sand collection guide frame (7) is movably connected inside the net cylinder (2). One end of the mud and sand collection guide frame (7) passes through the inside of the net cylinder (2) and extends to the other end of the net cylinder (2). A spray assembly (9) is rotatably connected to the fixed frame (4). The spray assembly (9) is located directly above the net cylinder (2).

2. The sediment separation device for rainwater treatment according to claim 1, characterized in that, A sediment collection pool (10) is movably placed on one side of the net cylinder (2) at the outlet end of the sediment collection guide frame (7).

3. The sediment separation device for rainwater treatment according to claim 2, characterized in that, The rolling assembly (5) includes a drive assembly and an auxiliary support wheel (11). The auxiliary support wheel (11) is rotatably connected to the upper surface of the seat frame (3). The side rolling rings on both sides of the mesh cylinder (2) are movably placed on the surface of the auxiliary support wheel (11) near the lower position.

4. The sediment separation device for rainwater treatment according to claim 3, characterized in that, The drive assembly includes a drive motor (12), two sets of synchronous pulleys (13), a synchronous belt (14), and a drive pulley (15). The drive pulley (15) is rotatably connected to the top of the seat frame (3). One set of synchronous pulleys (13) is fixedly installed on the side of the drive pulley (15), and the other set of synchronous pulleys (13) is fixedly connected to the output shaft end of the drive motor (12). The two ends of the synchronous belt (14) are respectively movably sleeved on the surfaces of the two sets of synchronous pulleys (13). The upper surface of the drive pulley (15) is movably connected to the side rolling ring of the end face of the mesh cylinder (2).

5. A sediment separation device for rainwater treatment according to claim 4, characterized in that, The spray assembly (9) includes a rotating pipe (16), a connecting pipe (17), a nozzle (18), and a water pump (19). The water pump (19) is fixedly installed inside the rainwater pool (1). One end of the connecting pipe (17) is fixedly connected to the port of the water pump (19). The other end of the connecting pipe (17) is fixedly connected to one end of the rotating pipe (16) and communicates with it. The rotating pipe (16) is rotatably connected inside the fixing frame (4). The rotating pipe (16) is parallel to the net cylinder (2) and is located directly above the net cylinder (2). The nozzle (18) is fixedly installed on the lower surface of the rotating pipe (16). The outlet of the nozzle (18) is vertically downward and located directly above the net cylinder (2).

6. A sediment separation device for rainwater treatment according to claim 5, characterized in that, One end of the fixed frame (4) is provided with a transmission assembly, which includes a bracket (20), a transmission roller (21), a drive head (22), and a reciprocating swing frame (23). The reciprocating swing frame (23) is fixedly connected to the surface of the rotating tube (16) near one end. The bracket (20) is fixedly connected to the surface of the fixed frame (4). The transmission roller (21) is rotatably connected to the surface of the bracket (20), and the transmission roller (21) is rollingly connected to the side roller ring on the side of the mesh cylinder (2). The drive head (22) is fixedly connected to the side of the transmission roller (21) near the outermost position, and the drive head (22) is movably inserted into the inside of the reciprocating swing frame (23).

7. A sediment separation device for rainwater treatment according to claim 6, characterized in that, An inner cleaning shaft (24) is rotatably connected to the bracket (20). The inner cleaning shaft (24) is rotatably connected inside the mesh cylinder (2) and is parallel to the mesh cylinder (2). A cleaning brush (25) is fixedly installed on the surface of the inner cleaning shaft (24). A first transmission gear (26) is fixedly connected to the end face of the inner cleaning shaft (24). A second transmission gear (8) is fixedly sleeved on the surface of the transmission roller (21). The first transmission gear (26) and the second transmission gear (8) are connected in a transmission connection.

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