Sludge discharge device for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment and discloses a sludge discharge device for sewage treatment, which comprises a treatment box, a base is fixedly mounted at the bottom of the treatment box, a water inlet pipe is fixedly communicated with the top of the left side of the treatment box, and a water discharge pipe is fixedly communicated with the bottom of the right side of the treatment box. A precipitation chamber for depositing sludge is formed in the bottom of the treatment box, a sludge extrusion assembly for extruding the sludge is arranged in the precipitation chamber, a baffle is slidably inserted in the middle of the bottom wall of the treatment box, and pull handles are fixedly mounted on the two sides of the baffle; the two-way air cylinder is started to drive the connecting plates to be relatively close, and then the connecting rods drive the pressing plates to be relatively close to the settling chamber, so that sludge in the settling chamber is extruded, water in the sludge is extruded out, the sludge is formed, and then the pull handle is pulled to pull out the baffle. And the internally formed sludge can fall off and be discharged from the bottom, so that the subsequent sludge treatment is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a sludge removal device for wastewater treatment. Background Technology

[0002] Wastewater treatment is the process of purifying wastewater to meet the water quality requirements for discharge into a water body or for reuse. During the wastewater treatment process, a large amount of sludge will accumulate at the bottom of the wastewater treatment device after a period of time. In order to ensure the normal and effective operation of wastewater treatment, the sludge inside the wastewater treatment device needs to be cleaned frequently.

[0003] A sludge removal device for wastewater treatment, disclosed in Chinese Patent Publication No. CN213965310U, includes a sedimentation tank. A drive motor is mounted on the side surface of the sedimentation tank. A lead screw is rotatably mounted inside the sedimentation tank, and the end of the lead screw is connected to the output shaft of the drive motor. A scraper is installed inside the sedimentation tank. An internally threaded cylinder is provided at the middle of the upper end of the scraper, and the internally threaded cylinder is screwed onto the outside of the lead screw. A baffle is mounted on the side surface of the scraper. The scraper installed inside the sedimentation tank, with the internally threaded cylinder at the middle of the upper end of the scraper screwed onto the outside of the lead screw and the end of the lead screw fixedly connected to the output shaft of the drive motor, facilitates the movement of the scraper inside the sedimentation tank. Simultaneously, a baffle is rotatably mounted on the side surface of the scraper via a torsion spring shaft, and a limit plate is fixed to the surface of the scraper to facilitate the scraper removing sediment from the bottom of the sedimentation tank.

[0004] In the process of realizing this application, the inventors discovered that the technology has at least the following problems: Although the above technical solution can facilitate the scraping of sediment at the bottom of the sedimentation tank by the sludge scraper, a lot of sewage will be discharged together with the sludge, which makes it inconvenient to treat the sludge in the future. Therefore, further improvements can be made. Utility Model Content

[0005] To address the aforementioned problems, this utility model provides the following technical solution: a sludge discharge device for wastewater treatment, comprising a treatment box, a base fixedly installed at the bottom of the treatment box, an inlet pipe fixedly connected to the top left side of the treatment box, a drain pipe fixedly connected to the bottom right side of the treatment box, a sedimentation chamber for sludge deposition opened in the bottom of the treatment box, a sludge squeezing assembly for squeezing sludge installed in the sedimentation chamber, a baffle slidably inserted into the middle of the bottom wall of the treatment box, and pull handles fixedly installed on both sides of the baffle.

[0006] As an optimization, the sludge extrusion assembly includes a support fixedly installed at the bottom of the treatment tank and a pressure plate slidably connected in the sedimentation chamber. A bidirectional cylinder is fixedly installed inside the support, and a connecting plate is fixedly installed at both telescopic ends of the bidirectional cylinder. A connecting rod is fixedly installed between the top of the connecting plate and the end of the pressure plate.

[0007] As an optimization, sealing gaskets are provided on both the upper and lower sides of the pressure plate, and the sealing gaskets are in close contact with the inner wall of the sedimentation chamber.

[0008] As an optimization, the pressure plate has notches at both ends, and the inner wall of the sedimentation chamber is provided with guide strips corresponding to the notches. The pressure plate is slidably sleeved on the outside of the guide strips through the notches.

[0009] As an optimization, a filter assembly for filtering sludge is provided at one end of the drain pipe inserted into the treatment box. The filter assembly will filter the sludge during water pumping to prevent it from being pumped out along with the water.

[0010] As an optimization, the filter assembly includes a fixed housing that is fixedly installed at the end of the drain pipe. The fixed housing has a groove inside, and an annular shell is embedded inside the groove. A filter screen is disposed inside the annular shell.

[0011] As an optimization, the outer side of the ring shell is equipped with a support plate, and the end of the support plate is fixedly installed with a limiting post. The surface of the fixed shell is provided with an arc groove corresponding to the array of limiting posts.

[0012] The beneficial effects of this utility model are:

[0013] 1. This sludge discharge device for wastewater treatment works by activating a two-way cylinder to bring the connecting plate closer together, which in turn brings the pressure plate closer together along the sedimentation chamber via the connecting rod. This squeezes the sludge in the sedimentation chamber, expelling the water from the sludge and shaping it into a solid form. Then, by pulling the handle, the baffle is pulled out, allowing the solidified sludge to fall from the bottom and be discharged, facilitating subsequent sludge treatment.

[0014] 2. This sludge removal device for wastewater treatment filters sludge during drainage through its filter components, preventing sludge from being pumped out along with the wastewater. Installation is completed by rotating the limiting column into the arc groove, and the device can be easily removed by rotating the limiting column in the opposite direction. This facilitates cleaning, replacement, and installation, and prevents sludge blockage. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0017] Figure 3This is a schematic diagram of the mud-squeezing structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the filter structure of this utility model.

[0019] In the diagram: 1. Processing box; 2. Base; 3. Water inlet pipe; 4. Drain pipe; 5. Sludge squeezing assembly; 6. Baffle; 7. Pull handle; 8. Support; 9. Pressure plate; 10. Two-way cylinder; 11. Connecting plate; 12. Connecting rod; 13. Fixing shell; 14. Embedded groove; 15. Ring shell; 16. Filter screen; 17. Support plate; 18. Limiting post; 19. Arc groove. Detailed Implementation

[0020] In the description of this application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-2 A sludge removal device for sewage treatment includes a treatment box 1, a base 2 fixedly installed at the bottom of the treatment box 1, an inlet pipe 3 fixedly connected to the top left side of the treatment box 1, a drain pipe 4 fixedly connected to the bottom right side of the treatment box 1, a sedimentation chamber for sludge deposition is opened in the bottom of the treatment box 1, a sludge squeezing component 5 for squeezing sludge is installed in the sedimentation chamber, and a baffle 6 is slidably inserted into the middle of the bottom wall of the treatment box 1, with pull handles 7 fixedly installed on both sides of the baffle 6.

[0023] Please see Figure 3The sludge squeezing assembly 5 includes a support 8 fixedly installed at the bottom of the treatment tank 1 and a pressure plate 9 slidably connected in the sedimentation chamber. The upper and lower sides of the pressure plate 9 are provided with sealing gaskets, which are in close contact with the inner wall of the sedimentation chamber. The two ends of the pressure plate 9 are provided with slots, and the inner wall of the sedimentation chamber is provided with guide strips corresponding to the slots. The pressure plate 9 is slidably sleeved on the outside of the guide strips through the slots. A two-way cylinder 10 is fixedly installed inside the support 8. A connecting plate 11 is fixedly installed at both telescopic ends of the two-way cylinder 10. A connecting rod 12 is fixedly installed between the top of the connecting plate 11 and the end of the pressure plate 9. By starting the two-way cylinder 10, the connecting plate 11 will be driven to move closer to each other, and then the pressure plate 9 will be driven to move closer to each other along the sedimentation chamber through the connecting rod 12. Therefore, the sludge in the sedimentation chamber will be squeezed, and the water in the sludge will be squeezed out, making the sludge form and easy to discharge.

[0024] Please see Figure 4 The drain pipe 4 is inserted into the treatment box 1 at one end and is equipped with a filter assembly for filtering sludge. The filter assembly filters the sludge during water pumping to prevent it from being pumped out with the water. The filter assembly includes a fixed shell 13 fixedly installed at the end of the drain pipe 4. The fixed shell 13 has a groove 14 inside, and an annular shell 15 is embedded inside the groove 14. A filter screen 16 is installed inside the annular shell 15. Support plates 17 are arrayed on the outer side of the annular shell 15. Limiting posts 18 are fixedly installed at the end of the support plates 17. The surface of the fixed shell 13 has an arc groove 19 corresponding to the array of limiting posts 18. Installation can be completed by rotating the limiting posts 18 into the arc groove 19. Similarly, disassembly can be completed by rotating in the opposite direction, which is convenient and quick.

[0025] In use, sewage is first discharged through the inlet pipe 3. After treatment and sedimentation, the surface sewage is pumped out through the drain pipe 4. The remaining sludge is deposited in the sedimentation chamber. At this time, the bidirectional cylinder 10 is activated to drive the connecting plate 11 to move closer together. Then, the connecting rod 12 drives the pressure plate 9 to move closer together along the sedimentation chamber, so the sludge in the sedimentation chamber is squeezed, the water in the sludge is squeezed out and the sludge is formed. Then, the handle 7 can be pulled to pull out the baffle 6, and the formed sludge inside will fall out from the bottom and be discharged.

[0026] During drainage, the filter assembly filters the water to prevent sludge from being drawn out. The installation is completed by rotating the limiting post 18 into the arc groove 19. The limiting post 18 can be easily removed by rotating it in the opposite direction, making it easy to replace and install.

[0027] In summary, this sludge discharge device for wastewater treatment, by activating the bidirectional cylinder 10, drives the connecting plate 11 to move closer together, which in turn drives the pressure plate 9 to move closer together along the sedimentation chamber via the connecting rod 12. This squeezes the sludge in the sedimentation chamber, expelling the water from the sludge and shaping it. Then, by pulling the handle 7 to pull out the baffle 6, the shaped sludge inside will fall from the bottom and be discharged, facilitating subsequent sludge treatment.

[0028] The filter assembly filters the sludge during drainage, preventing it from being pumped out along with the water. Installation is completed by rotating the limiting post 18 into the arc groove 19. Reversing the limiting post 18 allows for easy removal, facilitating cleaning, replacement, and installation while preventing sludge blockage.

[0029] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," "join," and "fix" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings.

[0031] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A sludge removal device for wastewater treatment, comprising a treatment tank (1), characterized in that: The bottom of the treatment box (1) is fixedly installed with a base (2), the top left side of the treatment box (1) is fixedly connected with a water inlet pipe (3), the bottom right side of the treatment box (1) is fixedly connected with a drain pipe (4), a sedimentation chamber for depositing sludge is opened in the bottom of the treatment box (1), a sludge squeezing assembly (5) for squeezing sludge is provided in the sedimentation chamber, a baffle (6) is slidably inserted into the middle of the bottom wall of the treatment box (1), and pull handles (7) are fixedly installed on both sides of the baffle (6). The sludge extrusion assembly (5) includes a support (8) fixedly installed at the bottom of the processing tank (1) and a pressure plate (9) slidably connected in the sedimentation chamber. A double-acting cylinder (10) is fixedly installed inside the support (8). A connecting plate (11) is fixedly installed at both telescopic ends of the double-acting cylinder (10). A connecting rod (12) is fixedly installed between the top of the connecting plate (11) and the end of the pressure plate (9). The drain pipe (4) is inserted into the treatment box (1) at one end and is equipped with a filter assembly for filtering sludge. The filter assembly includes a fixed shell (13) fixedly installed at the end of the drain pipe (4). The fixed shell (13) has a groove (14) inside. The groove (14) is fitted with an annular shell (15), and the annular shell (15) is equipped with a filter screen (16). The outer side of the ring shell (15) is equipped with a support plate (17), and the end of the support plate (17) is fixedly installed with a limiting post (18). The surface of the fixed shell (13) is provided with an arc groove (19) corresponding to the array of limiting posts (18).

2. The sludge removal device for wastewater treatment according to claim 1, characterized in that: The pressure plate (9) is provided with sealing gaskets on both the upper and lower sides, and the sealing gaskets are in close contact with the inner wall of the sedimentation chamber.

3. The sludge removal device for wastewater treatment according to claim 1, characterized in that: The pressure plate (9) has slots at both ends, and the inner wall of the sedimentation chamber is provided with guide strips corresponding to the slots. The pressure plate (9) slides on the outside of the guide strips through the slots.

Images