Water purification devices for sponge city water storage systems

Abstract

This application provides a purification device for a sponge city water storage system, including a box, a cylinder, multiple pusher plates, and a guide assembly. The box has a cavity with an inlet on its upper side and multiple outlets on its lower side. Covers are connected to both sides of the box, and one of the covers has multiple outlets. The cylinder is disposed within the cavity and connected to the two covers, and has an upward-facing inlet and multiple downward-facing internal outlets. Multiple pusher plates are disposed between the inner wall of the cavity and the outer wall of the cylinder, arranged around the cylinder; and the pusher plates are connected by a synchronous transmission structure that drives them to move around the cylinder. The guide assembly is disposed inside the cylinder and is used to move impurities within the cylinder towards the outlets. The purification device for a sponge city water storage system provided by this application can purify liquid entering through the inlet and promptly recover impurities, thereby ensuring water storage efficiency.

Description

Technical Field

[0001] This application belongs to the field of rainwater purification technology, specifically relating to a purification device for a sponge city water storage system. Background Technology

[0002] A sponge city refers to a city that, like a sponge, has good "elasticity" in adapting to environmental changes and responding to natural disasters. Specifically, when it rains, the water storage system of a sponge city can store rainwater and release and utilize the stored water when needed.

[0003] Existing water storage systems are also equipped with purification devices to reduce impurities within the stored liquid; it should be noted that these impurities typically refer to fallen leaves, road debris, etc. A common purification device is a filter screen laid at the inlet of the ditch; as rainwater flows through the filter screen, the liquid passes through the mesh into the ditch, while impurities inside the liquid remain on the surface of the filter screen.

[0004] The inventors discovered that existing purification devices have a technical defect: when in use, impurities cannot be recovered in time, resulting in impurities accumulating on the surface of the filter screen, which in turn causes some mesh holes to become clogged, ultimately leading to a reduction in water storage efficiency. Summary of the Invention

[0005] This application provides a purification device for a sponge city water storage system, which aims to purify the stored liquid and promptly recover impurities, thereby ensuring water storage efficiency.

[0006] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0007] A purification device for a sponge city water storage system is provided, comprising:

[0008] The box body has a rectangular cross-section and a through cavity that runs through the front and back and has a circular vertical cross-section. The upper side of the box body has an inlet that communicates with the through cavity and is inclined from top to bottom to the left and right. The lower side of the box body has multiple outlets that communicate with the through cavity and are arranged side by side in the left and right direction. The front and rear sides of the box body are connected to covers suitable for closing the opening of the through cavity, and one of the covers has multiple discharge ports arranged around its central axis and running through the front and back direction.

[0009] The cylindrical body has a circular cross-section and a hollow interior. It is coaxially arranged in the cavity, and its front and rear ends are respectively connected to two covers. When the cylindrical body is connected to the cover corresponding to the discharge port, each discharge port is connected to the interior of the cylindrical body. The cylindrical body is provided with a feed inlet that runs radially through it, and the opening of the feed inlet faces upward. The cylindrical body is provided with multiple internal water outlets that run parallel to each other in the left-right direction and communicate with the interior, and all run vertically through it.

[0010] Multiple pusher plates are disposed between the inner wall of the cavity and the outer wall of the cylinder, and are arranged around the cylinder. Each pusher plate has its side facing the central axis of the cavity connected to the outer wall of the cylinder, and its side facing away from the central axis of the cavity connected to the inner wall of the cavity. The multiple pusher plates are connected by a synchronous transmission structure. This synchronous transmission structure enables each pusher plate to move around the cylinder, so that the liquid and impurities between the outer wall of the cylinder and the inner wall of the cavity move around the cylinder.

[0011] A material guiding assembly is disposed inside the cylinder and is used to drive the impurities inside the cylinder to move in the front-back direction so that the impurities are discharged out of the box through the discharge port.

[0012] In one possible implementation, the feeding assembly includes:

[0013] A guide shaft is coaxially disposed inside the cylinder, with its front and rear ends respectively rotatably connected to the two covers in the front-rear direction, and one end of the guide shaft is drively connected to a first rotating motor; and

[0014] The spiral blades are coaxially mounted on the guide shaft and are in contact with the inner wall of the cylinder.

[0015] When the first rotating motor drives the guide shaft to rotate, the spiral blades can drive the material inside the cylinder to move toward the discharge port; and during the process of the material moving toward the discharge port, the material moves around the guide shaft so that the liquid component in the material is discharged through the inner water outlet.

[0016] In one possible implementation, the cover corresponding to the discharge port further includes:

[0017] The storage cylinder is fixedly connected to the side of the cover facing away from the box body, and its interior is connected to multiple discharge ports; and the end of the storage cylinder facing away from the cover body has an open structure and is detachably connected to a baffle suitable for sealing its interior.

[0018] In one possible implementation, the housing has an upward-facing storage bin arranged side-by-side with the through cavity in the left-right direction; the storage cylinder is connected to a downward-extending hose that communicates with its interior, and the extended end of the hose communicates with the interior of the storage bin, so that the material in the storage cylinder can move into the storage bin.

[0019] In one possible implementation, the synchronous transmission structure includes:

[0020] A transmission ring is disposed between the inner wall of the cavity and the outer wall of the cylinder, surrounds the cylinder, and is connected to a plurality of pusher plates; a plurality of toothed grooves are formed on the outer peripheral wall of the transmission ring, and the plurality of toothed grooves are distributed at intervals along the circumference of the transmission ring; and

[0021] The transmission gear is detachably mounted on the housing, its axial direction is parallel to the front-rear direction, and it meshes with the plurality of said tooth grooves.

[0022] The transmission gear is connected to a rotation drive component; when the rotation drive component is activated, the transmission gear drives the transmission ring to rotate, so that the multiple pusher plates move around the cylinder.

[0023] In one possible implementation, the transmission gear is coaxially connected to a connecting shaft extending in the front-rear direction; the upper side of the housing is provided with a reserved hole that runs through in the vertical direction, and the wall of the reserved hole facing the front-rear direction has a groove that runs from bottom to top through to the upper side of the housing.

[0024] When the transmission gear is inserted into the reserved hole and the axial direction of the transmission gear is parallel to the front-rear direction, the connecting shaft is inserted into the groove; and the upper side of the housing is detachably connected with a sealing member suitable for closing the opening of the groove.

[0025] In one possible implementation, the rotation drive component includes:

[0026] The second rotating motor is fixedly installed on the upper side of the housing, and its power output axis is parallel to the front and rear directions.

[0027] The drive gear is coaxially connected to the power output end of the second rotating motor and meshes externally with the transmission gear.

[0028] In one possible implementation, a guide cylinder is detachably connected to the upper side of the housing; the axial direction of the guide cylinder is parallel to the vertical direction, and its lower end communicates with the inlet; the outer wall of the guide cylinder has a strip-shaped hole communicating with its interior, and the guide cylinder further includes:

[0029] A baffle, slidably inserted into the strip-shaped hole, is adapted to slide to close the inner cavity of the guide cylinder, and is also adapted to slide to avoid the inner cavity of the guide cylinder; and

[0030] A linear cylinder is fixedly mounted on the upper side of the housing, with its power output axis parallel to the axis of the strip hole, and its power output end is connected to the baffle for transmission.

[0031] In one possible implementation, the inner wall of the feed tube has multiple slots; the axial direction of each of the multiple slots is parallel to the axial direction of the strip hole, and the multiple slots are spaced apart along the length direction of the strip hole; multiple support rods are arranged side by side on the insertion end face of the baffle, and the multiple support rods are adapted to be inserted into the multiple slots one by one.

[0032] In one possible implementation, the feed port extends through both ends of the cylinder in the front-rear direction; each of the two adjacent sides of the cover has a protrusion suitable for insertion into the cavity, and each protrusion has a limiting groove suitable for insertion of the end of the cylinder.

[0033] In this embodiment, the material enters the cavity through the inlet and then moves around the cylinder under the push of the pusher plate. When the material passes through the outlet, the liquid portion of the material is discharged to the outside of the box. When the material passes through the feed inlet, the material falls into the cylinder and is moved in the front-to-back direction by the guide assembly, eventually being discharged to the outside of the box through the discharge outlet. During the movement of the material inside the cylinder, the liquid component of the material is discharged through the inner outlet to the space between the inner wall of the cavity and the outer wall of the cylinder, and finally discharged through the outlet, thereby reducing the amount of liquid in the material passing through the discharge outlet.

[0034] The purification device for the sponge city water storage system provided in this embodiment, compared with the prior art, can separate the liquid components and impurities of materials to achieve the technical purpose of rainwater purification; at the same time, the separated impurities can be recovered in a timely manner to avoid the accumulation of impurities and affect the water storage efficiency, thereby achieving the technical purpose of ensuring water storage efficiency. Attached Figure Description

[0035] Figure 1 One of the three-dimensional structural schematic diagrams of a purification device for a sponge city water storage system provided in an embodiment of this application;

[0036] Figure 2 A second three-dimensional structural schematic diagram of a purification device for a sponge city water storage system provided in an embodiment of this application;

[0037] Figure 3 One of the cross-sectional schematic diagrams of a purification device for a sponge city water storage system provided in the embodiments of this application;

[0038] Figure 4 for Figure 3 A magnified view of a portion of the upper circle at point A;

[0039] Figure 5 A second cross-sectional schematic diagram of a purification device for a sponge city water storage system provided in an embodiment of this application;

[0040] Figure 6 This is a partial schematic diagram of the synchronous transmission structure used in the embodiments of this application;

[0041] Figure 7 This is a structural schematic diagram of the box and related components used in the embodiments of this application;

[0042] Figure 8 for Figure 7 A magnified view of a portion of the upper circle at point B;

[0043] Figure 9 This is an exploded view of the area between the cover and the storage cylinder used in the embodiments of this application;

[0044] Figure 10 This is an exploded view of the material guide cylinder and baffle used in the embodiments of this application;

[0045] Figure 11 This is a partially enlarged schematic diagram of the guide cylinder and baffle used in the embodiments of this application from a cross-sectional perspective;

[0046] Figure 12 This is one of the exploded schematic diagrams of the cylinder and cover used in the embodiments of this application;

[0047] Figure 13 This is the second exploded view of the cylinder and cover used in the embodiments of this application;

[0048] Explanation of reference numerals in the attached drawings: 1. Box body; 11. Through cavity; 12. Inlet; 13. Outlet water outlet; 14. Cover; 141. Outlet; 142. Protrusion; 1421. Limiting groove; 15. Storage bin; 16. Reserved hole; 161. Groove; 17. Sealing component; 2. Cylinder body; 21. Inlet; 22. Inner outlet; 3. Push plate; 4. Synchronous transmission structure; 41. Transmission ring; 411. Gear groove; 42. Transmission gear; 421. Coupling shaft; 5. Guide assembly; 51. Guide shaft; 511. First rotating motor; 52. Spiral blade; 6. Storage cylinder; 61. Stopper; 62. Hose; 7. Rotation drive component; 71. Second rotating motor; 72. Drive gear; 8. Guide cylinder; 81. Strip hole; 82. Slot; 9. Baffle; 91. Linear cylinder; 92. Support rod. Detailed Implementation

[0049] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0050] Please refer to the following: Figures 1 to 13 The purification device for sponge city water storage system provided in this application is described below. The purification device for sponge city water storage system proposed in this application includes a box 1, a cylinder 2, multiple pusher plates 3 and a guide assembly 5.

[0051] The box 1 adopts a three-dimensional structure with a rectangular cross-section. In this embodiment, for ease of description, the width direction of the box 1 is defined as the left-right direction, the length direction as the front-back direction, and the height direction as the up-down direction. In actual use, the box 1 needs to be set on the water collection trajectory of the water storage system, specifically in the underground of the ditch, between adjacent water collection pipes, etc.

[0052] The housing 1 has a through cavity 11; this through cavity 11 extends through the front and rear sides of the housing 1 in the front-rear direction, and the vertical cross section of the through cavity 11 is circular.

[0053] The upper side of the housing 1 is provided with an inlet 12 that communicates with the cavity 11, and this inlet 12 is inclined to the left and right in the direction from top to bottom; in actual use, this inlet 12 is used to allow materials (a mixture of rainwater and impurities) to pass through, and can also enable the materials entering the cavity 11 to have the motion inertia in the direction of the central axis of the cavity 11.

[0054] Multiple outlets 13 are provided on the lower side of the housing 1; the multiple outlets 13 are arranged side by side in the left and right direction, and each outlet 13 is connected to the through cavity 11; in actual use, the lower part of the outlet 13 is used to connect to the water storage system so that the discharged liquid components can be collected in time.

[0055] The front and rear sides of the housing 1 can be detachably connected to the cover 14; when the cover 14 is connected to the housing 1, the cover 14 can close the opening of the cavity 11 on the same side; in actual use, by removing the cover 14, the technical purpose of cleaning and maintaining the inside of the cavity 11 can be achieved.

[0056] In this embodiment, one of the covers 14 has a plurality of discharge ports 141; the plurality of discharge ports 141 are arranged around the central axis of the cover 14, and each discharge port 141 penetrates the cover 14 in the front-back direction.

[0057] The cylinder 2 has a circular vertical cross-section and a hollow interior. It is coaxially arranged in the cavity 11, and its front and rear ends are respectively connected to two covers 14 to fix the cylinder 2 relative to the box 1. When the cylinder 2 is connected to the cover 14 corresponding to the discharge port 141, each discharge port 141 is connected to the interior of the cylinder 2, that is, the discharge port 141 can discharge the material inside the cylinder 2.

[0058] The cylinder 2 is provided with a feed inlet 21 that runs radially through it, and the opening of the feed inlet 21 faces upward so that the material located between the outer wall of the cylinder 2 and the inner wall of the cavity 11, directly above the feed inlet 21, falls into it.

[0059] In this embodiment, the cylinder 2 has multiple internal water outlets 22; the multiple internal water outlets 22 are arranged side by side in the left-right direction, and each internal water outlet 22 penetrates the cylinder 2 in the up-down direction.

[0060] Multiple pusher plates 3 are disposed between the inner wall of the cavity 11 and the outer wall of the cylinder 2, and are arranged around the cylinder 2. Each pusher plate 3 is connected to the outer wall of the cylinder 2 on the side facing the central axis of the cavity 11, and connected to the inner wall of the cavity 11 on the side facing away from the central axis of the cavity 11. The purpose of this design is that when the pusher plates 3 move around the cylinder 2, the sides of the pusher plates 3 facing and away from the central axis of the cavity 11 scrape the outer wall of the cylinder 2 and the inner wall of the cavity 11, respectively, so that the solid material adsorbed on the wall surface is detached, thereby avoiding the residual impurities inside the cavity 11.

[0061] Multiple pusher plates 3 are connected by a synchronous transmission structure 4; this synchronous transmission structure 4 can drive each pusher plate 3 to move around the cylinder 2 simultaneously, so that the liquid and impurities between the outer wall of the cylinder 2 and the inner wall of the cavity 11 move around the cylinder 2.

[0062] The material guiding assembly 5 is installed inside the cylinder 2 to drive the impurities inside the cylinder 2 to move in the front-back direction so that the impurities are discharged to the outside of the box 1 through the discharge port 141; and, during the process of the impurities moving in the front-back direction, the liquid components in the impurities can be discharged through the inner water outlet 22 to the space between the inner wall of the cavity 11 and the outer wall of the cylinder 2.

[0063] In this embodiment, the material enters the cavity 11 through the inlet 12 and then moves around the cylinder 2 under the push of the pusher plate 3. When the material passes through the outlet 13, the liquid portion of the material is discharged to the outside of the box 1. When the material passes through the inlet 21, the material falls into the cylinder 2, and the material entering the cylinder 2 is moved in the front-back direction by the guide component 5, so as to be discharged to the outside of the box 1 through the outlet 141. During the movement of the material inside the cylinder 2, the liquid component of the material is discharged through the inner outlet 22 to the space between the inner wall of the cavity 11 and the outer wall of the cylinder 2, and is finally discharged through the outlet 13, so as to reduce the amount of liquid in the material passing through the outlet 141.

[0064] The purification device for the sponge city water storage system provided in this embodiment, compared with the prior art, can separate the liquid components and impurities of materials to achieve the technical purpose of rainwater purification; at the same time, the separated impurities can be recovered in a timely manner to avoid the accumulation of impurities and affect the water storage efficiency, thereby achieving the technical purpose of ensuring water storage efficiency.

[0065] In some embodiments, such as Figure 3 and Figure 5 As shown, the material guiding assembly 5 includes a material guiding shaft 51 and a spiral blade 52.

[0066] The guide shaft 51 is coaxially arranged inside the cylinder 2, and its front and rear ends are respectively rotatably connected to the two covers 14 in the front and rear direction. One end of the guide shaft 51 is connected to the first rotating motor 511.

[0067] The spiral blade 52 is coaxially mounted on the guide shaft 51 and is connected to the inner wall of the cylinder 2.

[0068] By adopting the above technical solution, when the first rotating motor 511 drives the guide shaft 51 to rotate, the spiral blades 52 can drive the material inside the cylinder 2 to move toward the discharge port 141; during the process of the material moving toward the discharge port 141, the material is stirred by the spiral blades 52 and moves around the guide shaft 51 to avoid impurities in the material from blocking the inner water outlet 22, thereby ensuring that the liquid components in the material are discharged through the inner water outlet 22.

[0069] In some embodiments, such as Figure 1 and Figure 9 As shown, the cover 14 corresponding to the discharge port 141 also includes a storage cylinder 6.

[0070] The storage cylinder 6 is fixedly connected to the side of the cover 14 facing away from the box 1, and its interior is connected to multiple discharge ports 141 to receive solid impurities discharged from the discharge ports 141; and the end of the storage cylinder 6 facing away from the cover 14 has an open structure and is detachably connected to a baffle 61 suitable for sealing its interior.

[0071] In daily use, the storage cylinder 6 can be opened by removing the baffle 61 to clean the impurities inside the storage cylinder 6 in a timely manner.

[0072] In some embodiments, such as Figure 5 and Figure 7 As shown, the box 1 has an upward-facing storage bin 15 arranged side by side with the through cavity 11 in the left-right direction; the aforementioned storage cylinder 6 is connected to a downward-extending hose 62 that communicates with its interior, and the extended end of the hose 62 communicates with the interior of the storage bin 15 so that the material in the storage cylinder 6 can move into the storage bin 15 under its own gravity.

[0073] It should be added that, such as Figure 1 As shown, the opening of the storage bin 15 is detachably connected to a bin cover.

[0074] In some embodiments, such as Figure 6 As shown, the synchronous transmission structure 4 includes a transmission ring 41 and a transmission gear 42.

[0075] The transmission ring 41 is disposed between the inner wall of the cavity 11 and the outer wall of the cylinder 2, and is coaxially sleeved on the outer periphery of the cylinder 2, and is connected to the ends of the plurality of pusher plates 3. In this embodiment, a plurality of toothed grooves 411 are provided on the outer peripheral wall of the transmission ring 41, and the plurality of toothed grooves 411 are distributed at intervals along the circumference of the transmission ring 41.

[0076] The transmission gear 42 is detachably mounted on the housing 1. Its axial direction is parallel to the front-back direction, and it meshes with multiple tooth grooves 411. That is, part of the transmission gear 42 extends into the through cavity 11 and is in a meshing state with the tooth grooves 411.

[0077] The transmission gear 42 is connected to the rotation drive component 7. By adopting the aforementioned technical solution, when the rotation drive component 7 is started, the transmission gear 42 drives the transmission ring 41 to rotate, so that multiple pusher plates 3 move around the cylinder 2 at the same time, thereby causing the liquid and impurities between the outer wall of the cylinder 2 and the inner wall of the cavity 11 to move around the cylinder 2.

[0078] It should be noted that the aforementioned transmission ring 41 is connected to one end of the multiple pusher plates 3, and the other end of the multiple pusher plates 3 is also connected to another ring structure to strengthen the synchronous movement structure formed by the multiple pusher plates 3, thereby preventing the end of the pusher plate 3 away from the transmission ring 41 from breaking.

[0079] In some embodiments, such as Figure 8 As shown, a connecting shaft 421 extending in the front-rear direction is coaxially connected to the transmission gear 42; in this embodiment, the cross-section of the connecting shaft 421 is T-shaped.

[0080] The upper side of the housing 1 has a reserved hole 16 that runs through the vertical direction and is adapted to the size of the transmission gear 42. The reserved hole 16 has a groove 161 that runs from bottom to top through the upper side of the housing 1 for the coupling shaft 421 to enter.

[0081] By adopting the above technical solution, when the transmission gear 42 is inserted into the reserved hole 16 and the axial direction of the transmission gear 42 is parallel to the front and rear directions, the aforementioned connecting shaft 421 is simultaneously inserted into the groove 161; and, a sealing member 17 is detachably connected to the upper side of the housing 1; when the sealing member 17 is connected to the upper side of the housing 1, the sealing member 17 can close the opening of the groove 161 and connect with the connecting shaft 421 to restrict the movement of the transmission gear 42 in the up and down directions.

[0082] In some embodiments, such as Figure 4 and Figure 6 As shown, the rotation drive component 7 includes a second rotation motor 71 and a drive gear 72.

[0083] The second rotating motor 71 is fixedly mounted on the upper side of the housing 1, and its power output axis is parallel to the front and rear directions.

[0084] The drive gear 72 is coaxially connected to the power output end of the second rotating motor 71, and it meshes externally with the transmission gear 42.

[0085] In some embodiments, such as Figure 1 , Figure 5 and Figure 10 As shown, a guide cylinder 8 is detachably connected to the upper side of the housing 1; the axial direction of this guide cylinder 8 is parallel to the vertical direction, and its lower end is connected to the inlet 12. When the housing 1 is underground, the upper end face of this guide cylinder 8 is flush with the surface of the water storage channel.

[0086] The outer wall of the guide cylinder 8 has a strip-shaped hole 81 that extends horizontally through one side and communicates with its interior; in this embodiment, the guide cylinder 8 also includes a baffle 9 and a linear cylinder 91.

[0087] The baffle 9 is slidably inserted into the strip hole 81, and is adapted to slide to a position that closes the inner cavity of the guide cylinder 8, and is also adapted to slide to a position that avoids the inner cavity of the guide cylinder 8.

[0088] The linear cylinder 91 is fixedly mounted on the upper side of the housing 1, and its power output axis is parallel to the axis of the strip hole 81, and its power output end is connected to the baffle 9 for transmission.

[0089] In some embodiments, such as Figure 1 , Figure 5 and Figure 10As shown, the inner wall of the feed tube 8 has a plurality of slots 82; in this embodiment, the axial direction of the plurality of slots 82 is parallel to the axial direction of the strip hole 81, and the plurality of slots 82 are spaced apart along the length direction of the strip hole 81.

[0090] Multiple support rods 92 are arranged side by side on the insertion end face of the baffle 9, and the multiple support rods 92 are adapted to be inserted into multiple slots 82 in a one-to-one correspondence to support the insertion end of the baffle 9 and avoid the accidental situation of the baffle 9 breaking due to the accumulation of impurities on the upper part of the baffle 9.

[0091] In some embodiments, such as Figure 12 and Figure 13 As shown, the feed inlet 21 extends through both ends of the cylinder 2 in the front-to-back direction; the adjacent sides of the two covers 14 each have a protrusion 142 suitable for insertion into the cavity 11, and each protrusion 142 has a limiting groove 1421 suitable for insertion of the end of the cylinder 2.

[0092] The above content is only a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A purification device for a sponge city water storage system, characterized in that, include: The box body has a rectangular cross-section and a through cavity that runs through the front and back and has a circular vertical cross-section. The upper side of the box body has an inlet that communicates with the through cavity and is inclined from top to bottom to the left and right. The lower side of the box body has multiple outlets that communicate with the through cavity and are arranged side by side in the left and right direction. The front and rear sides of the box body are connected to covers suitable for closing the opening of the through cavity, and one of the covers has multiple discharge ports arranged around its central axis and running through the front and back direction. The cylindrical body has a circular cross-section and a hollow interior. It is coaxially arranged in the cavity, and its front and rear ends are respectively connected to two covers. When the cylindrical body is connected to the cover corresponding to the discharge port, each discharge port is connected to the interior of the cylindrical body. The cylindrical body is provided with a feed inlet that runs radially through it, and the opening of the feed inlet faces upward. The cylindrical body is provided with multiple internal water outlets that run parallel to each other in the left-right direction and communicate with the interior, and all run vertically through it. Multiple pusher plates are disposed between the inner wall of the cavity and the outer wall of the cylinder, and are arranged around the cylinder. Each pusher plate has its side facing the central axis of the cavity connected to the outer wall of the cylinder, and its side facing away from the central axis of the cavity connected to the inner wall of the cavity. The multiple pusher plates are connected by a synchronous transmission structure. This synchronous transmission structure enables each pusher plate to move around the cylinder, so that the liquid and impurities between the outer wall of the cylinder and the inner wall of the cavity move around the cylinder. A material guiding assembly is disposed inside the cylinder and is used to drive the impurities inside the cylinder to move in the front-back direction so that the impurities are discharged out of the box through the discharge port.

2. The purification device for a sponge city water storage system as described in claim 1, characterized in that, The feeding assembly includes: A guide shaft is coaxially disposed inside the cylinder, with its front and rear ends respectively rotatably connected to the two covers in the front-rear direction, and one end of the guide shaft is drively connected to a first rotating motor; and The spiral blades are coaxially mounted on the guide shaft and are in contact with the inner wall of the cylinder. When the first rotating motor drives the guide shaft to rotate, the spiral blades can drive the material inside the cylinder to move toward the discharge port; and during the process of the material moving toward the discharge port, the material moves around the guide shaft so that the liquid component in the material is discharged through the inner water outlet.

3. The purification device for a sponge city water storage system as described in claim 1, characterized in that, The cover corresponding to the discharge port also includes: The storage cylinder is fixedly connected to the side of the cover facing away from the box body, and its interior is connected to multiple discharge ports; and the end of the storage cylinder facing away from the cover body has an open structure and is detachably connected to a baffle suitable for sealing its interior.

4. The purification device for a sponge city water storage system as described in claim 3, characterized in that, The box has an upward-facing storage bin arranged side-by-side with the through cavity in the left-right direction; the storage cylinder is connected to a flexible hose that extends downward and communicates with its interior, and the extended end of the flexible hose communicates with the interior of the storage bin, so that the material in the storage cylinder can move into the storage bin.

5. The purification device for a sponge city water storage system as described in claim 1, characterized in that, The synchronous transmission structure includes: A transmission ring is disposed between the inner wall of the cavity and the outer wall of the cylinder, surrounds the cylinder, and is connected to a plurality of pusher plates; a plurality of toothed grooves are formed on the outer peripheral wall of the transmission ring, and the plurality of toothed grooves are distributed at intervals along the circumference of the transmission ring; and The transmission gear is detachably mounted on the housing, its axial direction is parallel to the front-rear direction, and it meshes with the plurality of said tooth grooves. The transmission gear is connected to a rotation drive component; when the rotation drive component is activated, the transmission gear drives the transmission ring to rotate, so that the multiple pusher plates move around the cylinder.

6. The purification device for a sponge city water storage system as described in claim 5, characterized in that, The transmission gear is coaxially connected to a connecting shaft extending in the front-back direction; the upper side of the housing is provided with a reserved hole that runs through the vertical direction, and the wall of the reserved hole facing the front-back direction has a groove that runs from bottom to top through to the upper side of the housing. When the transmission gear is inserted into the reserved hole and the axial direction of the transmission gear is parallel to the front-rear direction, the connecting shaft is inserted into the groove; and the upper side of the housing is detachably connected with a sealing member suitable for closing the opening of the groove.

7. The purification device for a sponge city water storage system as described in claim 6, characterized in that, The rotation drive component includes: The second rotating motor is fixedly installed on the upper side of the housing, and its power output axis is parallel to the front and rear directions. The drive gear is coaxially connected to the power output end of the second rotating motor and meshes externally with the transmission gear.

8. The purification device for a sponge city water storage system as described in claim 1, characterized in that, A guide cylinder is detachably connected to the upper side of the housing; the axial direction of the guide cylinder is parallel to the vertical direction, and its lower end communicates with the inlet; the outer wall of the guide cylinder has a strip-shaped hole communicating with its interior, and the guide cylinder further includes: A baffle, slidably inserted into the strip-shaped hole, is adapted to slide to close the inner cavity of the guide cylinder, and is also adapted to slide to avoid the inner cavity of the guide cylinder; and A linear cylinder is fixedly mounted on the upper side of the housing, with its power output axis parallel to the axis of the strip hole, and its power output end is connected to the baffle for transmission.

9. The purification device for a sponge city water storage system as described in claim 8, characterized in that, The inner wall of the guide cylinder has multiple slots; the axial direction of each slot is parallel to the axial direction of the strip hole, and the slots are spaced apart along the length of the strip hole; multiple support rods are arranged side by side on the insertion end face of the baffle, and the multiple support rods are adapted to be inserted into the multiple slots one by one.

10. The purification device for a sponge city water storage system as described in any one of claims 1-9, characterized in that, The feed inlet extends through both ends of the cylinder in the front-to-back direction; each of the two adjacent sides of the cover has a protrusion suitable for insertion into the cavity, and each protrusion has a limiting groove suitable for insertion of the end of the cylinder.

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