A high-salinity wastewater treatment device based on an RO membrane and a water treatment method

Abstract

The application discloses a high-salt wastewater treatment device based on an RO membrane and a water treatment method, which comprises a bottom plate, a cleaning machine is installed on the top of the bottom plate near the front side, the cleaning machine is located on the front side of the bottom plate near the left side, a cleaning liquid spraying mechanism is arranged in the cleaning machine, a drying machine is fixedly connected to the right side of the bottom plate near the back side, and a bearing mechanism is arranged on the front side of the drying machine. Through the cooperation between the groove wheel, the belt, the small motor, the limiting plate, the crank, the rotating plate, the clamping block, the bearing plate, the side plate, the spring, the placing plate, the supporting plate, the collecting box, the discharge pipe and other components, when the RO membrane needs to be cleaned, the RO membrane can be first supported, when the weight of the RO membrane exceeds three kilograms more than the normal value, the spring supporting limit is exceeded, so that the bearing plate moves downwards and triggers the trigger, the trigger can start the cleaning liquid spraying mechanism, and the current RO membrane is deeply cleaned.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment technology, specifically to a high-salt wastewater treatment device and water treatment method based on an RO membrane. Background Technology

[0002] An RO membrane high-salt wastewater treatment device is a device that uses reverse osmosis (RO) membrane technology to treat high-salt wastewater. Under natural conditions, water molecules migrate from the side with low solute concentration to the side with high solute concentration through a semi-permeable membrane. However, in the reverse osmosis process, by applying pressure to the side with high solute concentration, water molecules are forced to flow in the opposite direction through the semi-permeable membrane, from the high concentration side to the low concentration side, while simultaneously filtering out dissolved solids and impurities.

[0003] Existing RO membrane high-salt wastewater treatment devices are prone to fouling due to inorganic scaling, organic adsorption, and microbial growth over long-term use, leading to decreased membrane flux and deterioration of desalination performance. Therefore, regular cleaning is required. However, existing RO membrane high-salt wastewater treatment devices require operators to disassemble the RO membrane and rinse it with a cleaning machine, which is labor-intensive and cannot be adapted to the current degree of RO membrane fouling. As a result, highly fouled RO membranes cannot be thoroughly cleaned, leading to low efficiency. Summary of the Invention

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] A high-salinity wastewater treatment device based on an RO membrane includes a base plate. A cleaning machine is installed on the top of the base plate near the front side, located on the left side of the front side of the base plate. The cleaning machine has a cleaning liquid spraying mechanism inside. A dryer is fixedly connected to the right side of the base plate near the rear side. A load-bearing mechanism is installed in front of the dryer. An RO membrane is attached to the top of the load-bearing mechanism. Sealing rings are installed on both the upper and lower sides of the RO membrane. A flipping mechanism is installed at the center of the front side of the base plate. A lift is installed on the rear side of the base plate near the left side. A top plate is installed in front of the lift. A disassembly mechanism is installed at the bottom of the top plate. A baffle plate is fixedly connected to the top of the base plate near the left side.

[0006] Preferably, the load-bearing mechanism includes a placement plate, two support plates are fixedly connected to the bottom of the placement plate, and the two support plates are arranged symmetrically from left to right. A collection box is fixedly connected to the center of the bottom of the placement plate. A load-bearing plate is on the top of the placement plate. A material collection trough is opened on the top of the load-bearing plate. A round hole is opened at the bottom of the material collection trough. A discharge pipe is fixedly connected to the center of the bottom of the load-bearing plate. The bottom end of the discharge pipe passes through the placement plate and is inserted into the collection box. The discharge pipe and the round hole are interconnected.

[0007] Preferably, the load-bearing plate is fixedly connected to side plates on both the left and right sides. Two movable rods are provided through the inner cavity of the side plate. Each pair of adjacent movable rods are arranged symmetrically front and back. The bottom end of the movable rod passes through the inner cavity of the placement plate. A spring is sleeved on the outside of the movable rod. The top end of the spring is fixedly connected to the side plate, and the bottom end of the spring is fixedly connected to the placement plate. Two triggers are installed on the top of the placement plate, and the two triggers are arranged symmetrically left and right.

[0008] Preferably, the flipping mechanism includes a connecting plate, which is fixedly connected to the center of the front side of the base plate. A cylinder is installed on the top of the connecting plate, and a fixing plate is fixedly connected to the top of the cylinder. A servo motor is installed on the top of the fixing plate, and a swing plate is fixedly connected to the power output shaft of the servo motor. A clamping mechanism is installed on the side of the swing plate away from the servo motor.

[0009] Preferably, the clamping mechanism includes a limiting plate, which is fixedly connected to the swing plate. Two sliding grooves are provided on the rear side of the swing plate, and the two sliding grooves are arranged symmetrically at the top and bottom. A rectangular opening is provided at the center of the front side of the limiting plate, and a center block is provided at the center of the front side of the limiting plate. L-shaped fixing plates are fixedly connected to both sides of the center block, and the other side of the two L-shaped fixing plates is fixedly connected to the limiting plate.

[0010] Preferably, the front side of the limiting plate has two grooved wheels, which are symmetrically arranged from left to right. A belt is sleeved on the outer side of both grooved wheels. A small motor is installed near the right side of the front side of the limiting plate. The power output shaft of the small motor is fixedly connected to the center of the adjacent grooved wheel. A central shaft is provided through the center of the grooved wheel on the left side and fixedly connected to it. The rear end of the central shaft passes through a rectangular opening. A rotating plate is fixedly connected to the rear end of the central shaft. Two cranks are hinged to the rear side of the rotating plate. The two cranks are symmetrically arranged vertically. There are two clamping blocks on the rear side of the limiting plate. The front side of the clamping blocks is slidably connected to the slide groove. The other side of each of the two cranks is hinged to the adjacent clamping block. The corresponding side of each of the two clamping blocks is in contact with the outer side of the RO membrane.

[0011] Preferably, the disassembly mechanism includes a vertical rod, the top end of which penetrates the inner cavity of the top plate and is movably connected thereto. A lifting plate is fixedly connected to the bottom end of the vertical rod. Several mounting plates are fixedly connected to the lifting plate. The mounting plates are arranged in a circular array with the center of the lifting plate as the center. The mounting plates are arranged in pairs adjacent to each other. A flip plate is hinged between each pair of adjacent mounting plates. A positioning plate is located at the bottom of the lifting plate.

[0012] Preferably, the positioning plate has several limiting blocks at its bottom, which are arranged in a cross shape. A hinge plate is fixedly connected to the bottom of each limiting block. The bottom of the positioning plate is slidably connected to the limiting blocks. The other side of each of the flip plates is hinged to an adjacent hinge plate. A clamping plate is fixedly connected to the bottom of each of the hinge plates. A linkage rod is fixedly connected to the center of the bottom of the positioning plate. A lifting motor is installed on the top of the positioning plate. The power output shaft of the lifting motor is fixedly connected to the lifting plate. An L-shaped welding rod is fixedly connected to the outside of the positioning plate. The other end of the L-shaped welding rod is fixedly connected to the top plate.

[0013] A water treatment method for high-salt wastewater treatment devices based on RO membranes includes the following steps:

[0014] S1: First, the staff places the RO membrane between the two clamping blocks and starts the small motor to drive the adjacent grooved wheel to rotate. The grooved wheel on the right side can drive the grooved wheel on the left side to rotate via a belt. When the grooved wheel on the left side rotates, it can drive the rotating plate to rotate. When the rotating plate rotates, it can drive the two cranks to rotate in opposite directions. When the two cranks rotate in opposite directions, they can drive the two clamping blocks to move in opposite directions, thereby clamping the RO membrane.

[0015] S2: When the RO membrane is clamped, the servo motor can be started to drive the swing plate to rotate. When the swing plate rotates, it can drive the RO membrane to contact the top of the load-bearing plate. When the RO membrane contacts the top of the load-bearing plate, the dryer can be started to dry the RO membrane. When the RO membrane is dried, if the weight of the RO membrane is greater than the weight of a conventional RO membrane, the load-bearing plate can be moved downward and contact the trigger. The water inside the RO membrane will then enter the inner cavity of the collection box through the discharge pipe.

[0016] S3: When the RO membrane test is completed, the cylinder can be activated to move the fixing plate upward, thereby detaching the RO membrane from the top of the placement plate and causing the RO membrane to flip to the bottom of the top plate. Then, the lifting platform moves the disassembly mechanism downward and contacts the sealing ring on the top of the RO membrane.

[0017] S4: When the lifting motor starts, it can drive the lifting plate to move upward. When the lifting plate moves upward, it can drive several hinge plates to move in opposite directions through the flip plate, thereby driving the clamping plate to move in opposite directions and fix it to the outside of the sealing ring. Through the linkage rod, it enters the inner cavity of the RO membrane and contacts the filter element inside the RO membrane. When the lifting machine moves upward, it can disassemble the sealing ring and take out the filter element. The filter element can be cleaned by the cleaning machine. When the trigger is triggered, it means that the current filter element is highly contaminated, thereby activating the cleaning fluid spraying mechanism to spray cleaning fluid on the outside of the filter element to improve the cleaning effect.

[0018] This invention utilizes the interplay between components such as a pulley, belt, small motor, limiting plate, crank, rotating plate, clamping block, load-bearing plate, side plate, spring, placement plate, support plate, collection box, and discharge pipe to achieve the following: when the RO membrane needs to be cleaned, the RO membrane can be initially supported by weight. When the weight of the RO membrane exceeds the normal value of three kilograms, it exceeds the spring's load-bearing limit, causing the load-bearing plate to move downwards and triggering a trigger. The trigger then activates the cleaning fluid spraying mechanism to clean the current depth of the RO membrane.

[0019] This invention utilizes the cooperation between components such as a vertical pipe, a lifting plate, a swing plate, a hinge plate, a clamping block, a positioning plate, a lifting motor, a linkage rod, and a lifting machine to disassemble the sealing ring of the RO membrane and remove the filter element inside the RO membrane for subsequent cleaning. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention;

[0021] Figure 2 This is a rear view of the structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the lifting plate structure of the component of the present invention;

[0023] Figure 4 This is a schematic diagram of the limiting plate structure of the component of the present invention;

[0024] Figure 5 This is a rear view of the component limiting plate structure of the present invention;

[0025] Figure 6 This is a schematic diagram of the load-bearing plate structure of the component of the present invention;

[0026] Figure 7 This is a plan view of the load-bearing plate structure of the component of the present invention;

[0027] Figure 8 This is a schematic diagram of the RO membrane structure of the component of the present invention.

[0028] The following are the components labeled in the diagram: 1. Base plate; 2. Baffle plate; 3. Washing machine; 4. Connecting plate; 5. Cylinder; 6. Fixing plate; 7. Motor; 8. RO membrane; 9. Dryer; 10. Placement plate; 11. Top plate; 12. Lifting machine; 13. Vertical rod; 14. Lifting plate; 15. Linkage rod; 16. Clamping plate; 17. Hinge plate; 18. Flipping plate; 19. Mounting plate; 20. Limiting block; 21. Positioning plate; 22. Clamping block; 23. Rotating plate; 24. Limiting plate; 25. L-shaped fixing plate; 26. Center block; 27. Belt; 28. Grooved wheel; 29. ​​Small motor; 30. Crank; 31. Load-bearing plate; 32. Side plate; 33. Support plate; 34. Collection box; 35. Spring; 36. Movable rod; 37. Discharge pipe; 38. Trigger. Detailed Implementation

[0029] Please see Figure 1-8 The present invention provides a technical solution:

[0030] A high-salt wastewater treatment device based on an RO membrane includes a base plate 1. A cleaning machine 3 is installed on the top of the base plate 1 near the front side. The cleaning machine 3 is located on the front side of the base plate 1 near the left side and has a cleaning liquid spraying mechanism inside. A dryer 9 is fixedly connected to the right side of the base plate 1 near the rear side. A load-bearing mechanism is set on the front side of the dryer 9. An RO membrane 8 is attached to the top of the load-bearing mechanism. Sealing rings are installed on both the upper and lower sides of the RO membrane 8. A flipping mechanism is set at the center of the front side of the base plate 1. A lift 12 is installed on the rear side of the base plate 1 near the left side and a top plate 11 is installed on the front side of the lift 12. A disassembly mechanism is set at the bottom of the top plate 11. A baffle 2 is fixedly connected to the top of the base plate 1 near the left side.

[0031] The load-bearing mechanism includes a placement plate 10, with two support plates 33 fixedly connected to the bottom of the placement plate 10. The two support plates 33 are arranged symmetrically from left to right. A collection box 34 is fixedly connected to the center of the bottom of the placement plate 10. A load-bearing plate 31 is located on the top of the placement plate 10. A material collection trough is opened on the top of the load-bearing plate 31, and a round hole is opened at the bottom of the material collection trough. A discharge pipe 37 is fixedly connected to the center of the bottom of the load-bearing plate 31. The bottom end of the discharge pipe 37 passes through the placement plate 10 and is inserted into the collection box 34. The discharge pipe 37 and the round hole are... The load-bearing plate 31 is connected to the side plates 32 on both sides. The inner cavity of the side plate 32 is provided with two movable rods 36. Each pair of adjacent movable rods 36 are symmetrically arranged front and back. The bottom end of the movable rod 36 passes through the inner cavity of the placement plate 10. A spring 35 is sleeved on the outside of the movable rod 36. The top end of the spring 35 is fixedly connected to the side plate 32, and the bottom end of the spring 35 is fixedly connected to the placement plate 10. Two triggers 38 are installed on the top of the placement plate 10, and the two triggers 38 are symmetrically arranged left and right.

[0032] The flipping mechanism includes a connecting plate 4, which is fixedly connected to the center of the front side of the base plate 1. A cylinder 5 is installed on the top of the connecting plate 4, and a fixing plate 6 is fixedly connected to the top of the cylinder 5. A servo motor 7 is installed on the top of the fixing plate 6, and a swing plate is fixedly connected to the power output shaft of the servo motor 7. A clamping mechanism is installed on the side of the swing plate away from the servo motor 7.

[0033] The clamping mechanism includes a limiting plate 24, which is fixedly connected to a swing plate. Two sliding grooves are symmetrically arranged on the rear side of the swing plate. A rectangular opening is located at the center of the front side of the limiting plate 24. A center block 26 is located at the center of the front side of the limiting plate 24. L-shaped fixing plates 25 are fixedly connected to both sides of the center block 26. The other side of each L-shaped fixing plate 25 is fixedly connected to the limiting plate 24. Two grooved wheels 28 are symmetrically arranged on the front side of the limiting plate 24. A belt 27 is fitted onto the outer side of both grooved wheels 28. A belt is mounted on the outer side of the two grooved wheels 28. The limiting plate 24 is mounted near the right side of its front side. A small motor 29 is installed, and the power output shaft of the small motor 29 is fixedly connected to the center of the adjacent grooved wheel 28. A central shaft is provided through the center of the grooved wheel 28 on the left side and is fixedly connected to it. The rear end of the central shaft passes through a rectangular opening, and a rotating plate 23 is fixedly connected to the rear end of the central shaft. Two cranks 30 are hinged to the rear side of the rotating plate 23. The two cranks 30 are arranged symmetrically up and down. There are two clamping blocks 22 on the rear side of the limiting plate 24. The front side of the clamping blocks 22 is slidably connected to the slide groove. The other side of the two cranks 30 is hinged to the adjacent clamping block 22. The corresponding side of the two clamping blocks 22 is in contact with the outer side of the RO membrane 8.

[0034] The disassembly mechanism includes a vertical rod 13, the top of which penetrates the inner cavity of the top plate 11 and is movably connected thereto. A lifting plate 14 is fixedly connected to the bottom of the vertical rod 13. Several mounting plates 19 are fixedly connected to the lifting plate 14. The mounting plates 19 are arranged in a circular array with the center of the lifting plate 14 as the center. The mounting plates 19 are arranged in pairs adjacent to each other. A flip plate 18 is hinged between each pair of adjacent mounting plates 19. A positioning plate 21 is located at the bottom of the lifting plate 14. Several limiting blocks 20 are located at the bottom of the positioning plate 21. The limiting blocks 20 are arranged in a cross shape. The positioning plates are arranged in a rectangular pattern. The bottom of the limiting block 20 is fixedly connected to the hinge plate 17. The bottom of the positioning plate 21 is slidably connected to several limiting blocks 20. The other side of several flip plates 18 is hinged to the adjacent hinge plate 17. The bottom of several hinge plates 17 is fixedly connected to the clamping plate 16. The center of the bottom of the positioning plate 21 is fixedly connected to the linkage rod 15. The top of the positioning plate 21 is equipped with a lifting motor. The power output shaft of the lifting motor is fixedly connected to the lifting plate 14. The outside of the positioning plate 21 is fixedly connected to an L-shaped welding rod. The other end of the L-shaped welding rod is fixedly connected to the top plate 11.

[0035] A water treatment method for a high-salinity wastewater treatment device based on an RO membrane involves the following steps: First, the operator places the RO membrane 8 between two clamping blocks 22 and starts a small motor 29 to rotate adjacent grooved wheels 28. The grooved wheel 28 on the right side rotates via a belt 27, which in turn rotates the grooved wheel 28 on the left side. The rotation of the left grooved wheel 28 causes the rotating plate 23 to rotate, which in turn causes two cranks 30 to rotate in opposite directions. This rotation of the two cranks 30 causes the two clamping blocks 22 to move in opposite directions, thus clamping the RO membrane 8. Once the RO membrane 8 is clamped, a servo motor 7 is started to rotate a swing plate. The rotation of the swing plate causes the RO membrane 8 to contact the top of a load-bearing plate 31. When the RO membrane 8 contacts the top of the load-bearing plate 31, a dryer 9 is started to dry the RO membrane 8. When the RO membrane 8 is dried, if its weight is greater than that of a conventional RO membrane 8, the load-bearing plate 31 is moved downwards and contacts a trigger 38. Water inside membrane 8 enters the inner cavity of collection box 34 through discharge pipe 37. When RO membrane 8 is tested, cylinder 5 can be activated to move fixing plate 6 upward, thereby detaching RO membrane 8 from the top of placement plate 10 and causing RO membrane 8 to flip to the bottom of top plate 11. Then, lifting mechanism 12 moves disassembly mechanism downward and contacts the sealing ring on top of RO membrane 8. When lifting motor is started, lifting plate 14 can be moved upward. When lifting plate 14 moves upward, flipping plate 18 can drive several hinge plates 17 to move in opposite directions, thereby driving clamping plate 16 to move in opposite directions and fix it to the outside of sealing ring. Through linkage rod 15, it enters the inner cavity of RO membrane 8 and contacts the filter element inside RO membrane 8. When lifting mechanism 12 moves upward, sealing ring can be disassembled and filter element can be taken out. The filter element can be cleaned by cleaning machine 3. When trigger 38 is triggered, it means that the current filter element is highly contaminated, thereby activating cleaning liquid spraying mechanism to spray cleaning liquid on the outside of filter element to improve cleaning effect.

Claims

1. A high-salinity wastewater treatment device based on an RO membrane, comprising a base plate (1), characterized in that: A cleaning machine (3) is installed on the top of the base plate (1) near the front side. The cleaning machine (3) is located on the front side of the base plate (1) near the left side. A cleaning liquid spraying mechanism is provided inside the cleaning machine (3). A dryer (9) is fixedly connected to the right side of the base plate (1) near the rear side. A load-bearing mechanism is provided on the front side of the dryer (9). An RO membrane (8) is attached to the top of the load-bearing mechanism. Sealing rings are installed on both the upper and lower sides of the RO membrane (8). A flipping mechanism is provided at the center of the front side of the base plate (1). A lift (12) is installed on the rear side of the base plate (1) near the left side. A top plate (11) is installed on the front side of the lift (12). A disassembly mechanism is provided at the bottom of the top plate (11). A baffle plate (2) is fixedly connected to the top of the base plate (1) near the left side. The load-bearing mechanism includes a placement plate (10), two support plates (33) are fixedly connected to the bottom of the placement plate (10), and the two support plates (33) are arranged symmetrically from left to right. A collection box (34) is fixedly connected to the center of the bottom of the placement plate (10). A load-bearing plate (31) is on the top of the placement plate (10). A material collection trough is opened on the top of the load-bearing plate (31), and a round hole is opened at the bottom of the material collection trough. A discharge pipe (37) is fixedly connected to the center of the bottom of the load-bearing plate (31). The bottom end of the discharge pipe (37) passes through the placement plate (10) and is inserted into the collection box (34). The discharge pipe (37) and the round hole are interconnected.

2. The high-salinity wastewater treatment device based on an RO membrane according to claim 1, characterized in that: The load-bearing plate (31) is fixedly connected to side plates (32) on both the left and right sides. Two movable rods (36) are provided through the inner cavity of the side plate (32). Each pair of adjacent movable rods (36) are symmetrically arranged front and back. The bottom end of the movable rod (36) passes through the inner cavity of the placement plate (10). A spring (35) is sleeved on the outside of the movable rod (36). The top end of the spring (35) is fixedly connected to the side plate (32), and the bottom end of the spring (35) is fixedly connected to the placement plate (10). Two triggers (38) are installed on the top of the placement plate (10), and the two triggers (38) are symmetrically arranged left and right.

3. The high-salinity wastewater treatment device based on an RO membrane according to claim 2, characterized in that: The flipping mechanism includes a connecting plate (4), which is fixedly connected to the center of the front side of the base plate (1). A cylinder (5) is installed on the top of the connecting plate (4), and a fixing plate (6) is fixedly connected to the top of the cylinder (5). A servo motor (7) is installed on the top of the fixing plate (6). A swing plate is fixedly connected to the power output shaft of the servo motor (7). A clamping mechanism is installed on the side of the swing plate away from the servo motor (7).

4. The high-salinity wastewater treatment device based on an RO membrane according to claim 3, characterized in that: The clamping mechanism includes a limiting plate (24), which is fixedly connected to the swing plate. Two sliding grooves are opened on the rear side of the swing plate. The two sliding grooves are arranged symmetrically up and down. A rectangular opening is opened at the center of the front side of the limiting plate (24). A center block (26) is located at the center of the front side of the limiting plate (24). L-shaped fixing plates (25) are fixedly connected to both sides of the center block (26). The other side of the two L-shaped fixing plates (25) is fixedly connected to the limiting plate (24).

5. A high-salinity wastewater treatment device based on an RO membrane according to claim 4, characterized in that: The limiting plate (24) has two grooved wheels (28) on its front side. The two grooved wheels (28) are symmetrically arranged on the left and right sides. A belt (27) is sleeved on the outer side of the two grooved wheels (28). A small motor (29) is installed on the front side of the limiting plate (24) near the right side. The power output shaft of the small motor (29) is fixedly connected to the center of the adjacent grooved wheel (28). A central shaft is provided through the center of the grooved wheel (28) on the left side and is fixedly connected to it. The rear end of the central shaft passes through a rectangular opening. A rotating plate (23) is fixedly connected to the rear end of the central shaft. Two cranks (30) are hinged to the rear side of the rotating plate (23). The two cranks (30) are symmetrically arranged up and down. There are two clamping blocks (22) on the rear side of the limiting plate (24). The front side of the clamping blocks (22) is slidably connected to the slide groove. The other side of the two cranks (30) is hinged to the adjacent clamping blocks (22). The corresponding side of the two clamping blocks (22) is attached to the outer side of the RO membrane (8).

6. The high-salinity wastewater treatment device based on an RO membrane according to claim 5, characterized in that: The disassembly mechanism includes a vertical rod (13), the top of which penetrates the inner cavity of the top plate (11) and is movably connected thereto. A lifting plate (14) is fixedly connected to the bottom of the vertical rod (13). Several mounting plates (19) are fixedly connected to the lifting plate (14). The mounting plates (19) are arranged in a circular array with the center of the lifting plate (14) as the center. The mounting plates (19) are arranged in pairs adjacent to each other. A flip plate (18) is hinged between each pair of adjacent mounting plates (19). A positioning plate (21) is located at the bottom of the lifting plate (14).

7. A high-salinity wastewater treatment device based on an RO membrane according to claim 6, characterized in that: The bottom of the positioning plate (21) has several limiting blocks (20), which are arranged in a cross shape. The bottom of the limiting blocks (20) is fixedly connected to a hinge plate (17). The bottom of the positioning plate (21) is slidably connected to the limiting blocks (20). The other side of the flipping plates (18) is hinged to the adjacent hinge plate (17). The bottom of the hinge plates (17) is fixedly connected to a clamping plate (16). The center of the bottom of the positioning plate (21) is fixedly connected to a linkage rod (15). The top of the positioning plate (21) is equipped with a lifting motor. The power output shaft of the lifting motor is fixedly connected to the lifting plate (14). The outside of the positioning plate (21) is fixedly connected to an L-shaped welding rod. The other end of the L-shaped welding rod is fixedly connected to the top plate (11).

8. A water treatment method for a high-salinity wastewater treatment device based on an RO membrane according to any one of claims 1-7, characterized in that, Includes the following steps: S1: First, the staff places the RO membrane (8) between two clamping blocks (22) and starts the small motor (29) to drive the adjacent grooved wheel (28) to rotate. The grooved wheel (28) on the right side drives the grooved wheel (28) on the left side to rotate through the belt (27). When the grooved wheel (28) on the left side rotates, it drives the rotating plate (23) to rotate. When the rotating plate (23) rotates, it drives the two cranks (30) to rotate in opposite directions. When the two cranks (30) rotate in opposite directions, they drive the two clamping blocks (22) to move in opposite directions, thereby clamping the RO membrane (8). S2: When the RO membrane (8) is clamped, the servo motor (7) is started to drive the swing plate to rotate. When the swing plate rotates, the RO membrane (8) is driven to contact the top of the load-bearing plate (31). When the RO membrane (8) is in contact with the top of the load-bearing plate (31), the dryer (9) is started to dry the RO membrane (8). When the RO membrane (8) is dried, if the weight of the RO membrane (8) is greater than the weight of the conventional RO membrane (8), the load-bearing plate (31) is driven to move downward and contact the trigger (38). The water inside the RO membrane (8) enters the inner cavity of the collection box (34) through the discharge pipe (37). S3: When the RO membrane (8) is detected, the cylinder (5) is activated to move the fixing plate (6) upward, thereby detaching the RO membrane (8) from the top of the placement plate (10) and causing the RO membrane (8) to flip to the bottom of the top plate (11). Then the elevator (12) moves the disassembly mechanism downward and contacts the sealing ring on the top of the RO membrane (8). S4: When the lifting motor starts, it drives the lifting plate (14) to move upward. When the lifting plate (14) moves upward, it drives several hinge plates (17) to move in opposite directions through the flip plate (18), thereby driving the clamping plate (16) to move in opposite directions and fix it to the outside of the sealing ring. Through the linkage rod (15), it enters the inner cavity of the RO membrane (8) and contacts the filter element inside the RO membrane (8). When the lifting machine (12) moves upward, it disassembles the sealing ring and takes out the filter element. The filter element is cleaned by the cleaning machine (3). When the trigger (38) is triggered, it means that the current filter element is highly polluted, thereby starting the cleaning liquid spraying mechanism to spray cleaning liquid on the outside of the filter element to improve the cleaning effect.

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