Intelligent reverse osmosis chemical cleaning device

Through the automated rotation cleaning and timing control of the smart reverse osmosis chemical cleaning device, the problem of membrane pollution in the reverse osmosis system is solved, and an efficient, safe and environmentally friendly cleaning effect is achieved.

CN223209293UActive Publication Date: 2025-08-12HESHENG POWER (SHANSHAN) CO LTD
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Patent Information

Application Number
CN202422285277.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-08-12
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

During the long-term operation of the reverse osmosis system, suspended substances, dissolved substances and microorganisms will accumulate in the membrane surface and pores, resulting in a decrease in membrane flux and a decrease in salt barrier performance. The existing cleaning devices have problems such as low efficiency, high safety risks and environmental pollution.

Method used

A smart reverse osmosis chemical cleaning device is designed to realize automatic rotation cleaning of the reverse osmosis membrane through the combination of a rotating mechanism, cleaning mechanism, clamping mechanism and conveying mechanism, and spray cleaning liquid with an atomized spray head, combining a timer and a buzzer alarm to achieve automatic control.

Benefits of technology

It improves the cleaning quality, reduces cleaning liquid waste and environmental pollution, reduces manual operation risks, improves the degree of automation of cleaning operations, and avoids insufficient cleaning and potential damage caused by human negligence.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of reverse osmosis membrane cleaning, and discloses an intelligent reverse osmosis chemical cleaning device which comprises a bearing plate, cleaning cylinders are symmetrically arranged on the top face of the bearing plate, reverse osmosis membranes are arranged in the cleaning cylinders, supporting plates are installed at the bottoms of the cleaning cylinders, and the bottoms of the supporting plates are fixedly connected with the bearing plate. A containing box is arranged on one side of the top face of the bearing plate, and a cleaning mechanism is arranged on the side of the top of the cleaning cylinder. Through the arrangement of the rotating mechanism, the cleaning mechanism, the clamping mechanism and the conveying mechanism, the reverse osmosis membrane can be clamped, driven to rotate and cleaned, meanwhile, the reverse osmosis membrane can be in more comprehensive contact with cleaning liquid in the rotating process, particularly, the cleaning liquid is sprayed out in an atomized mode through the use of an atomizing nozzle, and the cleaning effect is improved. The water can more finely permeate into each fine part of the reverse osmosis membrane, so that the cleaning quality is further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of reverse osmosis membrane cleaning, in particular to an intelligent reverse osmosis chemical cleaning device. Background Art

[0002] In modern water treatment technology, reverse osmosis systems are highly favored for their high salt removal rates and wide range of applications. Through the selective filtration of semipermeable membranes, reverse osmosis systems can remove impurities such as salt, organic matter, and bacteria from water, thereby producing high-purity water. However, with the long-term operation of reverse osmosis systems, suspended matter, dissolved matter, and microorganisms in the influent water inevitably accumulate on the membrane surface and within the pores, causing contamination. This leads to a decrease in membrane flux, reduced salt rejection, and even shortened membrane life. Therefore, an intelligent reverse osmosis chemical cleaning device has been proposed to address this issue. Utility Model Content

[0003] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0004] A smart reverse osmosis chemical cleaning device includes a carrier plate, a cleaning cylinder is symmetrically arranged on the top surface of the carrier plate, a reverse osmosis membrane is arranged inside the cleaning cylinder, a support plate is installed at the bottom of the cleaning cylinder and the bottom of the support plate is fixedly connected to the carrier plate, a placement box is provided on one side of the top surface of the carrier plate, a cleaning mechanism is provided on the top side of the cleaning cylinder, the cleaning mechanism is used to clean the reverse osmosis membrane, a rotating mechanism is provided on the outer wall side of the cleaning cylinder, the rotating mechanism is used to drive the reverse osmosis membrane to rotate, and a connecting cover is threadedly connected to the end side of the cleaning cylinder, and the connecting cover here facilitates sealing the cleaning cylinder to prevent the cleaning liquid from flowing out from the open opening of the cleaning cylinder.

[0005] Furthermore, a second connecting plate is installed on one side of the top surface of the supporting plate and a motor is installed on the top surface of the second connecting plate, a rotating rod is installed on the output end of the motor, the end of the rotating rod away from the motor passes through the placement box and the end is located inside the placement box, and a stirring paddle is installed on the outer wall side of the rotating rod, and the stirring paddle here is used to stir the cleaning liquid.

[0006] The transmission gear of the present invention is a gear which is engaged with the gear of the transmission gear and the gears ...

[0007] Furthermore, the clamping mechanism includes a first limit plate installed on one side of the outer wall of the connecting ring, a second limit plate is installed on the inner wall of the cleaning cylinder, a limit groove is provided at the bottom end of the second limit plate and a spring is installed on the inner wall of the limit groove, a third limit plate is installed on the end of the spring away from the second limit plate, a paddle is installed on one side of the outer wall of the third limit plate, a plurality of mounting grooves are provided at the end of the reverse osmosis membrane close to the first limit plate, the end of the first limit plate is located inside the mounting groove, the end of the first limit plate is located inside the mounting groove, a connecting rod is installed on the inner wall of the cleaning cylinder, and the inner wall of the reverse osmosis membrane is slidably connected to the connecting rod, and the material of the spring here is stainless steel.

[0008] Furthermore, the cleaning mechanism includes several arc-shaped tubes arranged inside the cleaning cylinder, the inner wall of the cleaning cylinder is installed with a third connecting plate and the third connecting plate is fixedly connected to the arc-shaped tube, the inner wall of the arc-shaped tube is installed with several atomizing nozzles, the top of the cleaning cylinder is provided with a mounting tube, the top of the arc-shaped tube is connected with a first connecting tube and the end of the first connecting tube away from the arc-shaped tube passes through the cleaning cylinder and the end is connected with the mounting tube, a conveying mechanism is provided on one side of the end of the mounting tube, and the conveying mechanism is used to convey cleaning liquid to the inner wall of the arc-shaped tube.

[0009] Furthermore, the conveying mechanism includes a water pump installed on one side of the top surface of the placement box, the water inlet end of the water pump is connected to a water inlet pipe, the end of the water inlet pipe away from the water pump is connected to the placement box, the water outlet end of the water pump is connected to a water outlet pipe, and the outer wall side of the water outlet pipe is connected to the installation pipe.

[0010] Furthermore, a liquid inlet is provided on the top surface of the storage box, and a sealing cover is threadedly connected to the outer wall of the liquid inlet.

[0011] Furthermore, a timer is installed on one side of the outer wall of the placement box, and a buzzer alarm is installed on the side of the placement box located at the timer. The timer is electrically connected to the motor, the timer is electrically connected to the water pump, and the timer is electrically connected to the buzzer alarm.

[0012] Furthermore, the staff can set the appropriate cleaning time on the timer, which will determine the working time of the motor and water pump. Press the start button of the timer to start the timer. At the same time, the motor and water pump will automatically start after receiving the electrical signal. When the timer expires, it will send an electrical signal to the motor and water pump to stop them. At the same time, the timer will also trigger the buzzer alarm, sounding an alarm to remind the staff that the cleaning process is complete. Beneficial effects

[0013] 1. This intelligent reverse osmosis chemical cleaning device can clamp the reverse osmosis membrane and drive the reverse osmosis membrane to rotate and clean through the arrangement of a rotating mechanism, a cleaning mechanism, a clamping mechanism, and a conveying mechanism. At the same time, the reverse osmosis membrane can be more comprehensively contacted with the cleaning liquid during the rotation process. In particular, the use of an atomizing nozzle enables the cleaning liquid to be sprayed in the form of an atomization, which can more finely penetrate into every tiny part of the reverse osmosis membrane, further improving the cleaning quality. At the same time, the waste liquid after cleaning is discharged through a drain pipe and can be conveniently collected and treated, avoiding environmental pollution. At the same time, the entire cleaning process is carried out in a closed environment, reducing the waste and volatilization of the cleaning liquid, meeting the requirements of environmental protection and energy saving. In addition, the rotation and cleaning of the reverse osmosis membrane are achieved through a mechanical transmission device, avoiding the safety risks that may be caused by direct manual contact with the cleaning liquid.

[0014] 2. This intelligent reverse osmosis chemical cleaning device uses a timer and buzzer alarm to enable scheduled start and stop times throughout the cleaning process, eliminating the need for continuous manual monitoring. This significantly increases the automation level of the cleaning operation, reduces labor costs, and avoids inadequate cleaning due to human negligence, while also preventing potential damage to the membrane caused by excessive cleaning time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of an intelligent reverse osmosis chemical cleaning device of the utility model;

[0016] Figure 2 This is a schematic diagram of the water pump structure of an intelligent reverse osmosis chemical cleaning device of the utility model;

[0017] Figure 3 This is a schematic diagram of the reverse osmosis membrane structure of an intelligent reverse osmosis chemical cleaning device of the utility model;

[0018] Figure 4This utility model is a smart reverse osmosis chemical cleaning device Figure 3 Side view of

[0019] Figure 5 This is a schematic diagram of the annular plate structure of an intelligent reverse osmosis chemical cleaning device of the utility model;

[0020] Figure 6 This is a schematic diagram of the gear structure of an intelligent reverse osmosis chemical cleaning device of the utility model;

[0021] Figure 7 This is a schematic diagram of the spring structure of an intelligent reverse osmosis chemical cleaning device of the utility model;

[0022] Figure 8 This is a schematic diagram of the liquid inlet structure of an intelligent reverse osmosis chemical cleaning device of the utility model;

[0023] Figure 9 This is a timer operation flow chart of an intelligent reverse osmosis chemical cleaning device of the utility model.

[0024] Figure: 1, carrier plate; 2, cleaning cylinder; 3, reverse osmosis membrane; 4, placement box; 5, cleaning mechanism; 501, arc tube; 502, atomizing nozzle; 503, mounting tube; 504, first connecting tube; 505, drain pipe; 6, rotating mechanism; 601, annular plate; 602, gear block; 603, movable rod; 604, gear; 605, first connecting plate; 606, connecting ring; 607, first driving wheel; 608, first driven wheel; 60 9. Second driving wheel; 610. Second driven wheel; 7. Clamping mechanism; 701. First limit plate; 702. Second limit plate; 703. Spring; 704. Third limit plate; 705. Connecting rod; 8. Conveying mechanism; 801. Water pump; 802. Water inlet pipe; 803. Water outlet pipe; 9. Timer; 10. Buzzer alarm; 11. Motor; 12. Rotating rod; 13. Stirring paddle; 14. Liquid inlet; 15. Sealing cover; 16. Connecting cover. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0026] See also Figures 1 to 9A smart reverse osmosis chemical cleaning device includes a carrier plate 1, a cleaning cylinder 2 is symmetrically arranged on the top surface of the carrier plate 1, a reverse osmosis membrane 3 is arranged inside the cleaning cylinder 2, a support plate is installed at the bottom of the cleaning cylinder 2, and the bottom of the support plate is fixedly connected to the carrier plate 1, a placement box 4 is provided on one side of the top surface of the carrier plate 1, a cleaning mechanism 5 is provided on the top side of the cleaning cylinder 2, and the cleaning mechanism 5 is used to clean the reverse osmosis membrane 3, a rotating mechanism 6 is provided on the outer wall side of the cleaning cylinder 2, and the rotating mechanism 6 is used to drive the reverse osmosis membrane 3 to rotate, a connecting cover 16 is threadedly connected to the end side of the cleaning cylinder 2, and a second connecting plate is installed on one side of the top surface of the carrier plate 1. The top surface of the second connecting plate is equipped with a motor 11, and the output end of the motor 11 is equipped with a rotating rod 12. The end of the rotating rod 12 away from the motor 11 passes through the placement box 4 and the end is located inside the placement box 4. A stirring paddle 13 is installed on the outer wall side of the rotating rod 12. The rotating mechanism 6 includes a connecting groove constructed on the inner wall of the cleaning cylinder 2 and the inner wall of the connecting groove is rotatably connected to an annular plate 601. A plurality of tooth blocks 602 are installed on the inner wall of the annular plate 601. A movable rod 603 is rotatably connected to one side of the outer wall of the cleaning cylinder 2. A gear 604 is installed on one side of the end of the movable rod 603. The gear 604 and the tooth block 602 are meshed with each other. The outer wall of the annular plate 601 Several first connecting plates 605 are installed on the side of the wall, and a connecting ring 606 is installed on the end of the first connecting plate 605 away from the annular plate 601. A first driving wheel 607 is installed on one side of the end of the rotating rod 12, and a first driven wheel 608 is installed on the end of the movable rod 603. The first driving wheel 607 and the first driven wheel 608 are connected by a belt rotation. A second driving wheel 609 is provided on one side of the outer wall of one movable rod 603 and a second driven wheel 610 is provided on the end of the movable rod 603 located on the outer wall of the other cleaning cylinder 2. The first driving wheel 607 and the second driven wheel 610 are connected by belt transmission. A clamping mechanism 7 is provided on the side, and the clamping mechanism 7 is used to clamp the reverse osmosis membrane 3. The clamping mechanism 7 includes a first limiting plate 701 installed on one side of the outer wall of the connecting ring 606, and a second limiting plate 702 is installed on the inner wall of the cleaning cylinder 2. The bottom end of the second limiting plate 702 is provided with a limiting groove and the inner wall of the limiting groove is installed with a spring 703. The end of the spring 703 away from the second limiting plate 702 is installed with a third limiting plate 704. A paddle is installed on one side of the outer wall of the third limiting plate 704. The end of the reverse osmosis membrane 3 near the first limiting plate 701 is provided with several mounting grooves, and the end of the first limiting plate 701 is located inside the mounting groove.The inner wall of the cleaning cylinder 2 is installed with a connecting rod 705, and the inner wall of the reverse osmosis membrane 3 is slidably connected to the connecting rod 705. The cleaning mechanism 5 includes a plurality of arc tubes 501 arranged inside the cleaning cylinder 2, and the inner wall of the cleaning cylinder 2 is installed with a third connecting plate and the third connecting plate is fixedly connected to the arc tube 501. A plurality of atomizing nozzles 502 are installed on the inner wall of the arc tube 501. The top of the cleaning cylinder 2 is provided with a mounting pipe 503. The top of the arc tube 501 is connected to the first connecting pipe 504 and the end of the first connecting pipe 504 away from the arc tube 501 passes through the cleaning cylinder 2 and the end is connected to the mounting pipe 503. A delivery mechanism 8 is provided at one end of the arc tube 501. The delivery mechanism 8 is used to deliver cleaning liquid to the inner wall of the arc tube 501. The bottom of the cleaning cylinder 2 is connected to a drain pipe 505. The delivery mechanism 8 includes a water pump 801 installed on one side of the top surface of the storage box 4. The water inlet end of the water pump 801 is connected to the water inlet pipe 802. The end of the water inlet pipe 802 away from the water pump 801 is connected to the storage box. The water outlet end of the water pump 801 is connected to the water outlet pipe 803. The outer wall of the water outlet pipe 803 is connected to the installation tube 503. The top surface of the storage box 4 is provided with a liquid inlet 14, and the outer wall of the liquid inlet 14 is threadedly connected to a sealing cap 15.

[0027] During operation, the staff can pour the cleaning liquid into the placement box 4 through the liquid inlet 14, and then lift the third limit plate 704 upward, so that the third limit plate 704 drives the spring 703 to move upward. At this time, the spring 703 is in a compressed state, and then the reverse osmosis membrane 3 is placed into the cleaning cylinder 2 along the connecting rod 705, and then the first limit plate 701 is stuck in the mounting groove at the end of the reverse osmosis membrane 3, and then the paddle is released. At this time, the spring 703 will return to its natural state, and the third limit plate 704 will move downward, so that the reverse osmosis membrane 3 can be moved in by using the third limit plate 704 and the first limit plate 701. The cleaning liquid can be mixed and the cleaning liquid can be mixed and mixed. At the same time, the rotating rod 12 drives the first driving wheel 607 to rotate. Since the first driving wheel 607 and the first driven wheel 608 are connected by a belt drive, the first driving wheel 607 drives the first driven wheel 608 to rotate when it rotates. The first driven wheel 608 drives the second driving wheel 609 to rotate when it rotates. The second driving wheel 609 drives one of the movable rods 603 to rotate when it rotates. The second driving wheel 609 is connected to the second driven wheel 610 through a belt. When the second driving wheel 609 rotates, it drives the second driven wheel 610 to rotate, thereby driving another movable rod 603 to rotate, so that the movable rods 603 on the sides of the two cleaning cylinders 2 rotate at the same time. When the movable rod 603 rotates, it drives the gear 604 to rotate. Since the gear 604 is engaged with the tooth block 602, when the gear 604 rotates, it drives the annular plate 601 to rotate, thereby driving the first connecting plate 605 to rotate. When the first connecting plate 605 rotates, it drives the first limiting plate 701 to rotate. When the limit plate 701 rotates, it will contact the installation groove, thereby driving the reverse osmosis membrane 3 to rotate. Then the staff can start the water pump 801, so that the water pump 801 will transport the cleaning liquid through the water inlet pipe 802 and the water outlet pipe 803 to the inside of the installation pipe 503, and then from the installation pipe 503 to the inside of the atomizing nozzle 502 through the first connecting pipe 504 and the arc pipe 501, and finally sprayed out by the atomizing nozzle 502 in the form of atomization to clean the reverse osmosis membrane 3. The waste liquid after cleaning will then be discharged through the drain pipe 505. The staff can place utensils for holding waste liquid at the end of the drain pipe 505. Example

[0028] See also Figure 1 、 Figure 3 、 Figure 8 and Figure 9On the basis of Example 1, a timer 9 is installed on one side of the outer wall of the placement box 4, and a buzzer alarm 10 is installed on the side of the placement box 4 located on the side of the timer 9. The timer 9 is electrically connected to the motor 11, the timer 9 is electrically connected to the water pump 801, and the timer 9 is electrically connected to the buzzer alarm 10.

[0029] During operation, an appropriate cleaning time is set on the timer 9 according to the cleaning requirements and the degree of contamination of the reverse osmosis membrane 3. This time will determine the operating duration of the motor 11 and the water pump 801. Pressing the start button of the timer 9 will start the timer 9. At the same time, the motor 11 and the water pump 801 automatically start after receiving the electrical signal. When the timer 9 ends, it will send an electrical signal to the motor 11 and the water pump 801 to stop them. At the same time, the timer 9 will also trigger the buzzer alarm 10 to sound an alarm to remind the staff that the cleaning process is complete.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent reverse osmosis chemical cleaning device, comprising a carrier plate (1), characterized in that: A cleaning cylinder (2) is symmetrically arranged on the top surface of the supporting plate (1), a reverse osmosis membrane (3) is arranged inside the cleaning cylinder (2), a placement box (4) is arranged on one side of the top surface of the supporting plate (1), a cleaning mechanism (5) is arranged on the top side of the cleaning cylinder (2), the cleaning mechanism (5) is used to clean the reverse osmosis membrane (3), a rotating mechanism (6) is arranged on the outer wall side of the cleaning cylinder (2), the rotating mechanism (6) is used to drive the reverse osmosis membrane (3) to rotate, and a connecting cover (16) is threadedly connected to the end side of the cleaning cylinder (2).

2. The intelligent reverse osmosis chemical cleaning device according to claim 1, characterized in that: A second connecting plate is mounted on one side of the top surface of the carrier plate (1), and a motor (11) is mounted on the top surface of the second connecting plate. A rotating rod (12) is mounted on the output end of the motor (11). An end of the rotating rod (12) away from the motor (11) passes through the placement box (4) and an end portion is located inside the placement box (4). A stirring paddle (13) is mounted on the side of the outer wall of the rotating rod (12).

3. The intelligent reverse osmosis chemical cleaning device according to claim 2, characterized in that: The rotating mechanism (6) includes a connecting groove constructed on the inner wall of the cleaning cylinder (2), and the inner wall of the connecting groove is rotatably connected to an annular plate (601), the inner wall of the annular plate (601) is installed with a plurality of tooth blocks (602), one side of the outer wall of the cleaning cylinder (2) is rotatably connected to a movable rod (603), one side of the end of the movable rod (603) is installed with a gear (604), the gear (604) and the tooth block (602) are meshed with each other, a plurality of first connecting plates (605) are installed on the side of the outer wall of the annular plate (601), and a connecting ring (606) is installed at one end of the first connecting plate (605) away from the annular plate (601), and the end of the rotating rod (12) is connected to the outer wall of the cleaning cylinder (2). A first driving wheel (607) is installed on one side of the movable rod (603), a first driven wheel (608) is installed on the end of the movable rod (603), the first driving wheel (607) and the first driven wheel (608) are connected in rotation via a belt, a second driving wheel (609) is sleeved on one side of the outer wall of one of the movable rods (603), and a second driven wheel (610) is sleeved on the end of the movable rod (603) located on the outer wall of the other cleaning cylinder (2), the first driving wheel (607) and the second driven wheel (610) are connected via a belt transmission, and a clamping mechanism (7) is provided on the side of the connecting ring (606), and the clamping mechanism (7) is used to clamp the reverse osmosis membrane (3).

4. The intelligent reverse osmosis chemical cleaning device according to claim 3, characterized in that: The clamping mechanism (7) includes a first limiting plate (701) installed on one side of the outer wall of the connecting ring (606), a second limiting plate (702) is installed on the inner wall of the cleaning cylinder (2), a limiting groove is provided at the bottom end of the second limiting plate (702), and a spring (703) is installed on the inner wall of the limiting groove, a third limiting plate (704) is installed at the end of the spring (703) away from the second limiting plate (702), a paddle is installed on one side of the outer wall of the third limiting plate (704), a plurality of mounting grooves are provided at the end of the reverse osmosis membrane (3) close to the first limiting plate (701), the end of the first limiting plate (701) is located inside the mounting groove, a connecting rod (705) is installed on the inner wall of the cleaning cylinder (2), and the inner wall of the reverse osmosis membrane (3) is slidably connected to the connecting rod (705).

5. The intelligent reverse osmosis chemical cleaning device according to claim 1, characterized in that: The cleaning mechanism (5) comprises a plurality of arc-shaped tubes (501) arranged inside the cleaning cylinder (2); a third connecting plate is installed on the inner wall of the cleaning cylinder (2), and the third connecting plate is fixedly connected to the arc-shaped tube (501); a plurality of atomizing nozzles (502) are installed on the inner wall of the arc-shaped tube (501); a mounting tube (503) is provided at the top end of the cleaning cylinder (2); the top end of the arc-shaped tube (501) is connected to a first connecting tube (504); an end of the first connecting tube (504) away from the arc-shaped tube (501) passes through the cleaning cylinder (2) and the end is connected to the mounting tube (503); a conveying mechanism (8) is provided on one side of the end of the mounting tube (503); the conveying mechanism (8) is used to convey cleaning liquid to the inner wall of the arc-shaped tube (501); and a drain pipe (505) is connected to the bottom of the cleaning cylinder (2).

6. The intelligent reverse osmosis chemical cleaning device according to claim 5, characterized in that: The conveying mechanism (8) comprises a water pump (801) installed on one side of the top surface of the placement box (4); the water inlet end of the water pump (801) is connected to a water inlet pipe (802); the end of the water inlet pipe (802) away from the water pump (801) is connected to the placement box; the water outlet end of the water pump (801) is connected to a water outlet pipe (803); the outer wall side of the water outlet pipe (803) is connected to the installation pipe (503).

7. The intelligent reverse osmosis chemical cleaning device according to claim 1, characterized in that: A liquid inlet (14) is provided on the top surface of the storage box (4), and a sealing cover (15) is threadedly connected to the outer wall of the liquid inlet (14).

8. The intelligent reverse osmosis chemical cleaning device according to claim 1, characterized in that: A timer (9) is installed on one side of the outer wall of the placement box (4), and a buzzer alarm (10) is installed on the side of the placement box (4) located on the side of the timer (9). The timer (9) is electrically connected to the motor (11), the timer (9) is electrically connected to the water pump (801), and the timer (9) is electrically connected to the buzzer alarm (10).