A mobile river and lake dredging sludge treatment device

Abstract

This utility model discloses a mobile river and lake dredging sludge treatment device, belonging to the field of river and lake sludge treatment. The mobile river and lake dredging sludge treatment device includes a base plate and a mobile vehicle body fixed to the bottom of the base plate. A frame is fixed to the top of the base plate. The frame has a hollow structure and is equipped with a filter assembly. A filter press assembly is located above the filter assembly, and a collection assembly is located below the frame. The filter assembly includes a filter cloth inside the frame. The filter press assembly includes a pressure plate located above the filter cloth and a control assembly for moving the pressure plate up and down. The frame has a U-shaped structure, and a baffle is movably connected to the open side of the frame. A scraper and a moving assembly are located on one side of the frame. The moving assembly is used to move the scraper up and down and to move the scraper on top of the filter cloth. This utility model shortens the processing cycle and improves sludge treatment efficiency by continuously completing filtration, pressing, and unloading on the mobile vehicle body.

Description

Technical Field

[0001] This utility model relates to the field of river and lake sludge treatment, and in particular to a mobile river and lake dredging and sludge treatment device. Background Technology

[0002] River and lake sludge treatment mainly employs physical, chemical, and ecological restoration technologies, aiming to reduce pollution, improve water quality, and achieve resource utilization. Among these, dredging involves mechanically or manually removing riverbed sediment to directly remove pollutants.

[0003] Chinese patent disclosure (application number 202120645058.7) discloses a mobile river and lake dredging sludge treatment device. The patent mainly includes a hull, a column, and hydraulic rods. The column is rotatably connected to the top of the hull, and a motor is installed below the column. An operation panel is screwed to one side wall of the column, and a sleeve is installed above the operation panel. A crossbeam is welded to one side wall of the sleeve, and a support rod is installed between the crossbeam and the column. A sliding tube passes through the top of the crossbeam, and the hydraulic rods are screwed to both sides below the sliding tube. A sliding rod is installed between the hydraulic rods, and a filter screen is installed below the sliding rod. A waterproof motor is screwed to the center of the filter screen. This patent, by incorporating hydraulic rods, sliding rods, a filter screen, a waterproof motor, and a stirring rod, enables the stirring and extraction of sludge from the lake bottom, avoiding the hardening of the sludge and thus improving the efficiency of the mobile river and lake dredging sludge treatment device.

[0004] However, the above-mentioned device is equipped with a motor that rotates the dewatering cage. After the extracted sludge is dewatered by rotation, the sludge inside the cage adheres tightly to the cage wall under the action of high-speed centrifugation and is difficult to fall off automatically. The lack of a discharge device and the limited internal space of the cage structure may require manual intervention to scrape off the sludge, resulting in low discharge efficiency and affecting the overall processing efficiency. Utility Model Content

[0005] This utility model provides a mobile river and lake dredging sludge treatment device, which can solve the problems of existing mobile river and lake dredging sludge treatment devices, such as the difficulty in automatically removing sludge from the cage, the lack of unloading device, and the need for manual intervention to scrape off sludge due to the limited internal space of the cage structure, resulting in low unloading efficiency and affecting the overall treatment efficiency.

[0006] A mobile river and lake dredging sludge treatment device includes a base plate and a mobile vehicle body fixed to the bottom of the base plate. A frame is fixed to the top of the base plate. The frame is a hollow structure and is equipped with a filter assembly. A filter press assembly is provided above the filter assembly, and a collection assembly is provided below the frame.

[0007] The filter assembly includes a filter cloth disposed inside the frame, and the pressure filter assembly includes a pressure plate disposed above the filter cloth and a control assembly for driving the pressure plate to move up and down.

[0008] The frame is designed as a U-shaped structure, and a baffle is movably connected to the open side of the frame. A scraper and a moving component are provided on one side of the frame. The moving component is used to drive the scraper to move up and down and to drive the scraper to move on top of the filter cloth.

[0009] Preferably, two first fixing plates are fixedly provided on the top of the base plate, wherein a first cylinder is fixedly provided on the first fixing plate near the baffle, and the baffle is fixed on the drive shaft of the first cylinder.

[0010] Preferably, the moving component includes a movable frame that moves between the first fixed plates and a second cylinder fixed inside the movable frame, and the scraper is fixed to the drive shaft of the second cylinder.

[0011] Preferably, the movable assembly further includes two lead screws symmetrically rotating between the first fixed plate and a drive assembly for driving the lead screws to rotate synchronously, wherein the lead screws are threadedly connected to the movable frame.

[0012] Preferably, the control assembly includes a mounting bracket fixed to the top of the base plate and a third cylinder fixed to the top of the mounting bracket, wherein the pressure plate is fixed to the drive shaft of the third cylinder.

[0013] Preferably, it also includes a photovoltaic module, which includes a photovoltaic panel fixed to the top of the mounting frame.

[0014] Preferably, the collection assembly includes a liquid collection tray fixed to the top of the base plate and a drain trough fixed to the top of the base plate, the liquid collection tray being located below the filter cloth and the drain trough being located below the baffle.

[0015] Preferably, the filter assembly further includes a mesh plate fixed inside the frame, and the filter cloth is fixed to the top of the mesh plate.

[0016] Preferably, the drive assembly includes a second fixed plate fixed to the top of the base plate, a coupling rotatably connected between the second fixed plates, a motor fixed to one side of one of the second fixed plates, and a plurality of bevel gears. One end of the coupling is fixedly connected to the output shaft of the motor. Bevel gears are fixedly provided on the end of the lead screw near the second fixed plate and on the coupling. Every two adjacent bevel gears are meshed together.

[0017] Preferably, a drain pipe is fixedly provided in the middle of one side of the liquid collection tray, and a collection hopper located below the drain pipe is fixedly provided on the mobile vehicle body, with a connecting pipe fixedly provided at the bottom of the collection hopper.

[0018] This utility model provides a mobile river and lake dredging sludge treatment device, which has the following beneficial effects:

[0019] 1. By using filter cloth to filter sludge, and with the help of a third cylinder and a pressure plate, the sludge on the filter cloth is pressed and filtered, thus improving the sludge dewatering process. After dewatering, the second cylinder brings the scraper into contact with the filter cloth. The motor and bevel gear drive the lead screw to rotate, which in turn moves the movable frame and its scraper on the filter cloth. The scraper removes the sludge cake while the baffle opens, achieving automatic unloading of the sludge cake. Filtration, pressing, and unloading are completed continuously on the moving vehicle, shortening the processing cycle and improving sludge treatment efficiency.

[0020] 2. By setting up photovoltaic modules including photovoltaic panels, the system can be powered by photovoltaic panels during operation. At the same time, a collection tray and a drain trough are set under the filter cloth and baffle. The filtrate during the filter pressing process can be collected and discharged through the collection tray and drain pipe, while the mud cake can fall into the drain trough from the opening of the frame to achieve unloading and collection. Attached Figure Description

[0021] Figure 1 A schematic diagram of the structure of a mobile river and lake dredging sludge treatment device provided by this utility model. Figure 1 ;

[0022] Figure 2 A schematic diagram of the structure of a mobile river and lake dredging sludge treatment device provided by this utility model. Figure 2 ;

[0023] Figure 3 A schematic diagram of the filter press assembly, filter assembly, liquid collection tray, and sewage discharge tank of a mobile river and lake dredging sludge treatment device provided by this utility model;

[0024] Figure 4 A schematic diagram of the filter cloth, mesh plate, first cylinder, and baffle structure of a mobile river and lake dredging and sludge treatment device provided by this utility model;

[0025] Figure 5 This utility model provides a mobile river and lake dredging sludge treatment device. Figure 1 Enlarged structural diagram at point A in the middle.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Base plate; 2. Mobile vehicle body; 3. Frame; 4. Filter cloth; 5. Mesh plate; 6. Baffle; 7. First cylinder; 8. Movable frame; 9. Second cylinder; 10. Scraper; 11. First fixed plate; 12. Lead screw; 13. Second fixed plate; 14. Fixed frame; 15. Third cylinder; 16. Pressure plate; 17. Collection tray; 18. Sewage trough; 19. Drain pipe; 20. Collection hopper; 21. Connecting pipe; 22. Photovoltaic panel; 23. Motor; 24. Bevel gear; 25. Coupling. Detailed Implementation

[0028] The specific embodiments of this utility model are described in detail below, but it should be understood that the protection scope of this utility model is not limited to the specific embodiments.

[0029] like Figures 1 to 5 As shown in the figure, a mobile river and lake dredging sludge treatment device provided by this utility model includes a base plate 1, a mobile vehicle body 2 fixed to the bottom of the base plate 1 and a photovoltaic module. A frame 3 is fixed to the top of the base plate 1. The frame 3 is a hollow structure and is equipped with a filter assembly. A filter press assembly is provided above the filter assembly. The filter assembly includes a filter cloth 4 disposed inside the frame 3 and a mesh plate 5 fixed inside the frame 3. The filter cloth 4 is fixed to the top of the mesh plate 5, and the mesh plate 5 serves to support the filter cloth 4. The filter press assembly includes a pressure plate 16 disposed above the filter cloth 4 and a control assembly for driving the pressure plate 16 to move up and down. The control assembly includes a fixed frame 14 fixed to the top of the base plate 1 and a third cylinder 15 fixed to the top of the fixed frame 14. The pressure plate 16 is fixed on the drive shaft of the third cylinder 15. The edge of the pressure plate 16 is slidably connected to the inner wall of the frame 3, and a sealing ring is provided at the edge of the pressure plate 16 to seal the connection between the pressure plate 16 and the frame 3. The bottom of the sealing ring is provided with a sloping structure to guide the sealing ring when it contacts the frame 3, thereby compressing and deforming the sealing ring to form a sealing barrier.

[0030] An external sludge pump delivers the extracted sludge to the filter cloth 4 via a flexible delivery pipe. Simultaneously, the delivery pipe is oscillated to ensure a more uniform distribution of the sludge on the filter cloth 4. The sludge is filtered through the filter cloth 4, with large particles being intercepted. A third cylinder 15 drives a pressure plate 16 to press down, applying pressure to the filter cloth 4 to achieve sludge pressure filtration.

[0031] In some specific implementation plans, such as Figure 2 , Figure 3 and Figure 4 As shown, the frame 3 is designed with a U-shape, and a baffle 6 is movably connected to the open side of the frame 3. A sealing gasket is fixedly installed on the side of the baffle 6 near the frame 3 to seal the connection between the baffle 6 and the frame 3. A scraper 10 and a moving assembly are provided on one side of the frame 3. The moving assembly is used to drive the scraper 10 to move up and down and to move the scraper 10 on the top of the filter cloth 4. Two first fixing plates 11 are fixedly installed on the top of the bottom plate 1. A first cylinder 7 is fixedly installed on the first fixing plate 11 near the baffle 6. The baffle 6 is fixed on the drive shaft of the first cylinder 7.

[0032] After the filter press is completed, the first cylinder 7 operates to pull the baffle 6 open, and the opening of the frame 3 is in the open state, which facilitates the subsequent collection of the filter cake by the movement of the scraper 10 and the discharge from the gap between the frame 3 and the baffle 6.

[0033] In some specific implementation plans, such as Figure 1 , Figure 2 and Figure 3 As shown, the moving assembly includes a movable frame 8 that moves between the first fixed plates 11, a second cylinder 9 fixed inside the movable frame 8, two lead screws 12 that rotate symmetrically between the first fixed plates 11, and a drive assembly for driving the lead screws 12 to rotate synchronously. The lead screws 12 are threadedly connected to the movable frame 8, which has a U-shaped structure. The lead screws 12 are threadedly connected to the inside of the end of the movable frame 8, and the scraper 10 is fixed to the drive shaft of the second cylinder 9.

[0034] The drive assembly rotates the lead screw 12, causing the movable frame 8 on it to move above the filter cloth 4. Then, the second cylinder 9 drives the scraper 10 downward to contact the filter cloth 4. With the continuous rotation of the lead screw 12, the scraper 10 can move on the filter cloth 4, pushing the mud cake to move and achieve automatic feeding.

[0035] In some specific implementation plans, such as Figure 1 , Figure 3 and Figure 5 As shown, the drive assembly includes a second fixed plate 13 fixed to the top of the base plate 1, a coupling 25 rotatably connected between the second fixed plates 13, a motor 23 fixed to one side of one of the second fixed plates 13, and a plurality of bevel gears 24. One end of the coupling 25 is fixedly connected to the output shaft of the motor 23. The end of the lead screw 12 near the second fixed plate 13 and the coupling 25 are both fixed with bevel gears 24. The end of the lead screw 12 with bevel gears 24 has a threadless structure and rotates through the inside of the first fixed plate 11. Every two adjacent bevel gears 24 are meshed and connected.

[0036] When the scraper 10 needs to move to discharge mud cake, the motor 23 drives the lead screw 12 to rotate synchronously through the bevel gear 24. Under the rotation of the lead screw 12, the movable frame 8 moves laterally along the filter cloth 4, which facilitates pushing the mud cake on the filter cloth 4 to the opening of the frame 3 for subsequent discharge.

[0037] In some specific implementation plans, such as Figure 1 , Figure 2 and Figure 3As shown, a collection assembly is provided below the frame 3. The collection assembly includes a liquid collection tray 17 fixed to the top of the base plate 1 and a sewage discharge trough 18 fixed to the top of the base plate 1. The liquid collection tray 17 is located below the filter cloth 4, and the sewage discharge trough 18 is located below the baffle 6. The bottoms of both the liquid collection tray 17 and the sewage discharge trough 18 are designed to be inclined towards the outlet side, serving a guiding function. A drain pipe 19 is fixedly installed in the middle of one side of the liquid collection tray 17, and a V-shaped inclined plate is fixedly installed on the side of the liquid collection tray 17 near the drain pipe 19 to facilitate the flow of water to the drain pipe 19. A collection hopper 20 is fixedly installed on the mobile vehicle body 2 below the drain pipe 19. A connecting pipe 21 is fixedly installed at the bottom of the collection hopper 20, and a flange is provided at the bottom of the connecting pipe 21 for easy connection to an external conveying pipeline.

[0038] During the filtration process, the filtrate passes through the filter cloth 4 and flows into the collection tray 17. After being guided by the figure-eight inclined plate, it is discharged from the drain pipe 19 and finally enters the collection hopper 20. It can be collected by external pipelines for subsequent treatment or discharged back into rivers and lakes.

[0039] After the filter press is completed, the sludge cake falls from the opening of the frame 3 into the sludge discharge tank 18, and is discharged from the outlet of the sludge discharge tank 18 to achieve unloading and collection.

[0040] In some specific implementation plans, such as Figure 1 , Figure 2 and Figure 3 As shown, the photovoltaic module includes a photovoltaic panel 22 fixed to the top of the mounting frame 14, and a photovoltaic inverter is installed in conjunction with it. Excess electrical energy is stored in the vehicle battery and used to power the system during operation.

[0041] To facilitate understanding of the embodiments of this solution by those skilled in the art, the working principle of this solution will now be briefly explained in conjunction with specific application scenarios:

[0042] The mobile vehicle 2 is equipped with an external towing vehicle to move to the river or lake area to be worked on. An external sludge pump transports the extracted sludge to the filter cloth 4 through a flexible delivery pipe. At the same time, the delivery pipe is oscillated to make the sludge sprayed from the delivery pipe more evenly distributed on the filter cloth 4. The sludge is filtered through the filter cloth 4, and large particles of impurities are intercepted. The third cylinder 15 drives the pressure plate 16 to press down, and the pressure plate 16 applies pressure to the filter cloth 4 to achieve sludge pressure filtration.

[0043] During the filtration process, the filtrate passes through the filter cloth 4 and flows into the collection tray 17. After being guided by the V-shaped inclined plate, it is discharged from the drain pipe 19. After the filtration is completed, the first cylinder 7 operates to pull the baffle 6 open, and the opening of the frame 3 is in the open state.

[0044] The motor 23 drives the lead screw 12 to rotate synchronously through the bevel gear 24. Under the rotation of the lead screw 12, the movable frame 8 and the scraper 10 on it are moved to the top of the filter cloth 4. Then, the second cylinder 9 drives the scraper 10 downward to contact the filter cloth 4.

[0045] Motor 23 drives lead screw 12 to rotate via bevel gear 24. The rotation of lead screw 12 causes movable frame 8 to move laterally along filter cloth 4, which facilitates pushing the sludge cake on filter cloth 4 to the opening of frame 3. The cake falls from the opening of frame 3 into discharge trough 18, and the sludge cake is discharged from the outlet of discharge trough 18 to achieve unloading and collection.

[0046] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.

Claims

1. A mobile river and lake dredging sludge treatment device, comprising a base plate (1) and a mobile vehicle body (2) fixed to the bottom of the base plate (1), characterized in that, The bottom plate (1) is fixed with a frame (3) at the top. The frame (3) is a hollow structure and is equipped with a filter assembly. A pressure filter assembly is provided above the filter assembly, and a collection assembly is provided below the frame (3). The filter assembly includes a filter cloth (4) disposed inside the frame (3), and the pressure filter assembly includes a pressure plate (16) disposed above the filter cloth (4) and a control assembly for driving the pressure plate (16) to move up and down. The frame (3) is configured as a U-shaped structure, and a baffle (6) is movably connected to the opening side of the frame (3). A scraper (10) and a moving component are provided on one side of the frame (3). The moving component is used to drive the scraper (10) to move up and down and drive the scraper (10) to move on top of the filter cloth (4).

2. The mobile river and lake dredging sludge treatment device as described in claim 1, characterized in that, Two first fixing plates (11) are fixed on the top of the base plate (1), wherein a first cylinder (7) is fixed on the first fixing plate (11) near the baffle (6), and the baffle (6) is fixed on the drive shaft of the first cylinder (7).

3. The mobile river and lake dredging sludge treatment device as described in claim 2, characterized in that, The moving component includes a movable frame (8) that moves between the first fixed plates (11) and a second cylinder (9) fixed inside the movable frame (8), and the scraper (10) is fixed on the drive shaft of the second cylinder (9).

4. The mobile river and lake dredging sludge treatment device as described in claim 3, characterized in that, The moving assembly also includes two lead screws (12) that rotate symmetrically between the first fixed plate (11) and a drive assembly for driving the lead screws (12) to rotate synchronously. The lead screws (12) are threadedly connected to the movable frame (8).

5. A mobile river and lake dredging sludge treatment device as described in claim 1, characterized in that, The control assembly includes a fixed frame (14) fixed to the top of the base plate (1) and a third cylinder (15) fixed to the top of the fixed frame (14), and the pressure plate (16) is fixed to the drive shaft of the third cylinder (15).

6. A mobile river and lake dredging sludge treatment device as described in claim 5, characterized in that, It also includes photovoltaic modules, which include photovoltaic panels (22) fixed to the top of the mounting frame (14).

7. A mobile river and lake dredging sludge treatment device as described in claim 6, characterized in that, The collection assembly includes a liquid collection tray (17) fixed to the top of the base plate (1) and a drain trough (18) fixed to the top of the base plate (1). The liquid collection tray (17) is located below the filter cloth (4), and the drain trough (18) is located below the baffle (6).

8. A mobile river and lake dredging sludge treatment device as described in claim 1, characterized in that, The filter assembly also includes a mesh plate (5) fixed inside the frame (3), and the filter cloth (4) is fixed to the top of the mesh plate (5).

9. A mobile river and lake dredging sludge treatment device as described in claim 4, characterized in that, The drive assembly includes a second fixed plate (13) fixed to the top of the base plate (1), a coupling (25) rotatably connected between the second fixed plates (13), a motor (23) fixed to one side of one of the second fixed plates (13), and a plurality of bevel gears (24). One end of the coupling (25) is fixedly connected to the output shaft of the motor (23). The lead screw (12) near the second fixed plate (13) and the coupling (25) are both fixed with bevel gears (24), and every two adjacent bevel gears (24) are meshed together.

10. A mobile river and lake dredging sludge treatment device as described in claim 7, characterized in that, A drain pipe (19) is fixedly installed in the middle of one side of the liquid collection tray (17), and a collection hopper (20) located below the drain pipe (19) is fixedly installed on the mobile vehicle body (2), and a connecting pipe (21) is fixedly installed at the bottom of the collection hopper (20).

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