Reverse osmosis membrane cleaning device

Abstract

The utility model discloses a reverse osmosis membrane cleaning device which comprises a containing shell and an upper cover, the upper cover is hinged to the upper portion of the containing shell, the reverse osmosis membrane cleaning device further comprises a partition plate, a positioning communication mechanism and an impact stirring mechanism, the partition plate is arranged on the lower portion of the inner side wall of the containing shell, and a water storage bin is formed between the partition plate and the bottom wall of the containing shell. The impact stirring mechanism is arranged in the middle of the upper portion of the partition plate and used for mixing cleaning agents and increasing contact between the cleaning agents and the reverse osmosis membrane surface, and the positioning communication mechanisms are arranged on the two sides of the upper portion of the partition plate and used for clamping the two ends of a membrane shell. The utility model belongs to the technical field of reverse osmosis membrane cleaning, and particularly relates to a reverse osmosis membrane cleaning device which is fixedly installed for cleaning different types of reverse osmosis membranes, facilitates preparation of cleaning agents, simultaneously performs soaking and bubble impact cleaning on the reverse osmosis membranes, separates sewage generated by internal filtration of the reverse osmosis membranes from purified water during cleaning, and improves cleaning efficiency. The reverse osmosis membrane cleaning device can effectively improve the reverse osmosis membrane cleaning effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of reverse osmosis membrane cleaning, in particular to a reverse osmosis membrane cleaning device. Background Art

[0002] Reverse osmosis membrane elements are widely used in various water treatment fields. After running for a period of time, pollutants are easily deposited, affecting the purification effect. Therefore, maintenance cleaning is required during use.

[0003] Before cleaning the reverse osmosis membrane, a cleaning liquid needs to be prepared, which is achieved through steps such as soaking, cleaning and flushing. Existing reverse osmosis membrane cleaning devices are difficult to clean the reverse osmosis membrane thoroughly and can only clean reverse osmosis membrane elements of the same model. The cleaning method is single, resulting in poor cleaning effect. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing reverse osmosis membrane cleaning device has a single cleaning method, resulting in poor cleaning effect and is only applicable to reverse osmosis membrane treatment with the same size.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a reverse osmosis membrane cleaning device, including a containing shell and an upper cover, the upper cover is hinged on the upper part of the containing shell, and also includes a partition, a positioning and connecting mechanism and an impact stirring mechanism. The partition is arranged at the lower part of the inner wall of the containing shell, and a water storage tank is formed between the partition and the bottom wall of the containing shell. The impact stirring mechanism is arranged in the middle of the upper part of the partition, which is used for mixing the cleaning agent and increasing the contact between the cleaning agent and the surface of the reverse osmosis membrane. The positioning and connecting mechanism is arranged on both sides of the upper part of the partition, which is used to clamp the two ends of the membrane shell.

[0006] Furthermore, the positioning and connecting mechanism includes support plate 1, support plate 2, a connecting sleeve, an inner tube, an outer tube and a circulation component, support plate 1 and support plate 2 are arranged on both sides of the upper part of the partition, support plate 1 and support plate 2 are hollow structures and are symmetrically arranged, the connecting sleeve is fixedly connected to the upper part of the inner wall of support plate 1, the connecting sleeve is communicated with the interior of support plate 1, the inner tube is arranged on the upper part of the inner wall of support plate 2, the outer tube is threadedly connected to the outer wall of the inner tube, a baffle is provided in the middle of the outer wall of the outer tube, and the circulation component is arranged on the outer wall of the accommodating shell.

[0007] Furthermore, the impact stirring mechanism includes a pressure box, an air jet pipe and an air pump. The pressure box is arranged in the middle of the upper part of the partition. One end of the air jet pipe passes through the upper wall of the pressure box and is connected to the interior of the pressure box. The air pump is arranged on the outer wall of the accommodating shell. The air outlet end of the air pump is connected to the pipeline of the side wall of the pressure box. A rubber valve is provided inside the air jet pipe.

[0008] Furthermore, the circulation component includes a high-pressure water pump, a liquid inlet pipe, a diverter box and a connecting pipe. The high-pressure water pump is arranged on the outer wall of the accommodating shell away from the air pump. The water pumping end of the high-pressure water pump is connected to the water storage tank. The diverter box is arranged on the outer wall of the accommodating shell. The connecting pipe is connected between the support plate 1 and the diverter box. The middle section of the connecting pipe is provided with an electromagnetic valve 1.

[0009] Furthermore, the inner bottom wall of the upper cover is connected to a spray assembly, and the spray assembly includes a connection box, a spray pipe and a nozzle. The connection box is fixedly connected to the middle of the bottom wall of the upper cover, and the nozzle is fixedly connected to the bottom wall of the connection box. The nozzles are distributed in an array, one end of the spray pipe is connected to the connection box, and the other end of the spray pipe is connected to the diversion box. A solenoid valve 2 is provided at one end of the spray pipe close to the diversion box.

[0010] Furthermore, a liquid injection pipe is vertically penetrated through one side of the partition, and the liquid injection pipe is located between the second support plate and the inner wall of the accommodating shell, and the liquid injection pipe is connected to the water storage tank.

[0011] After adopting the above structure, the beneficial effects of the utility model are as follows: it is fixedly installed for cleaning of different types of reverse osmosis membranes, which is convenient for the configuration of cleaning agents. During configuration, the reverse osmosis membrane is immersed and cleaned by bubble impact at the same time, and the sewage and pure water generated when cleaning the inside of the reverse osmosis membrane are separated. Finally, the filtered pure water is used again for spraying and flushing, which effectively increases the cleaning effect of the reverse osmosis membrane. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0013] Figure 1 This is a schematic diagram of the overall structure of a reverse osmosis membrane cleaning device proposed by the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of a reverse osmosis membrane cleaning device proposed by the utility model;

[0015] Figure 3 This is a schematic diagram of the water storage tank structure of a reverse osmosis membrane cleaning device proposed by the utility model;

[0016] Figure 4 for Figure 2 A magnified view of part A.

[0017] In the accompanying drawings: 1. containing shell, 2. upper cover, 3. partition, 4. positioning and connecting mechanism, 5. impact stirring mechanism, 6. water storage tank, 7. support plate 1, 8. support plate 2, 9. connecting sleeve, 10. inner tube, 11. outer sleeve, 12. circulation component, 13. baffle, 14. pressure box, 15. jet pipe, 16. air pump, 17. rubber valve, 18. high-pressure water pump, 19. liquid inlet pipe, 20. diverter box, 21. connecting pipe, 22. solenoid valve 1, 23. spraying component, 24. connecting box, 25. spraying pipe, 26. nozzle, 27. solenoid valve 2, 28. liquid injection pipe. DETAILED DESCRIPTION

[0018] like Figure 1-3 As shown, a reverse osmosis membrane cleaning device includes a containing shell 1 and an upper cover 2, the upper cover 2 is hinged on the upper part of the containing shell 1, and also includes a partition 3, a positioning and connecting mechanism 4 and an impact stirring mechanism 5. The partition 3 is arranged at the lower part of the inner wall of the containing shell 1, and a water storage tank 6 is formed between the partition 3 and the bottom wall of the containing shell 1. The impact stirring mechanism 5 is arranged in the middle of the upper part of the partition 3 for mixing the cleaning agent and increasing the contact between the cleaning agent and the reverse osmosis membrane surface. The positioning and connecting mechanism 4 is arranged on both sides of the upper part of the partition 3 for clamping the two ends of the membrane shell.

[0019] like Figure 2 and Figure 3 As shown, in order to realize the configuration of the cleaning agent and increase the soaking effect on the reverse osmosis membrane element, the impact stirring mechanism 5 includes a pressure box 14, an air jet 15 and an air pump 16. The pressure box 14 is arranged in the middle of the upper part of the partition 3. One end of the air jet 15 passes through the upper wall of the pressure box 14 and is connected to the inside of the pressure box 14. The air pump 16 is arranged on the outer wall of the accommodating shell 1. The air outlet end of the air pump 16 is connected to the side wall pipeline of the pressure box 14. A rubber valve 17 is arranged inside the air jet 15. The air pump 16 draws external air and pumps it into the pressure box 14. When the internal pressure of the pressure box 14 increases to a certain extent, the gas is squeezed out of the rubber valve 17 in the air jet 15, generating bubbles that move upward, mix the cleaning liquid on the partition 3, and increase the contact between the cleaning liquid and the reverse osmosis membrane element, thereby improving the soaking effect of the reverse osmosis membrane element.

[0020] like Figure 2 and Figure 3As shown, in order to fix the reverse osmosis membrane elements of different lengths and make the two ends of the reverse osmosis membrane elements flow, the positioning and connecting mechanism 4 includes a support plate 1 7, a support plate 2 8, a connecting sleeve 9, an inner tube 10, an outer sleeve 11 and a circulation component 12. The support plate 1 7 and the support plate 2 8 are arranged on both sides of the upper part of the partition 3. The support plate 1 7 and the support plate 2 8 are hollow structures and are symmetrically arranged. The connecting sleeve 9 is fixedly connected to the upper part of the inner side wall of the support plate 1 7. The connecting sleeve 9 is connected to the inside of the support plate 1 7. The inner tube 10 is arranged on the upper part of the inner side wall of the support plate 2 8. The outer sleeve 11 is threadedly connected to the outer side wall of the inner tube 10. A baffle 13 is provided in the middle of the outer wall of the sleeve 11, and the circulation assembly 12 is provided on the outer wall of the housing 1. The reverse osmosis membrane element is placed between the support plate 1 7 and the support plate 2 8, so that the water inlet end of the reverse osmosis membrane element is threadedly connected to the connecting sleeve 9. According to the length of the reverse osmosis membrane element, the outer sleeve 11 is rotated so that the outer sleeve 11 rotates on the outer wall of the inner tube 10 to adjust its length. The baffle 13 contacts the end face of the water outlet end of the reverse osmosis membrane element and is used for supporting and limiting. The outer sleeve 11 is plugged and connected to the center of the water outlet end of the reverse osmosis membrane element to receive the filtered pure water and recover the pure water into the water storage tank 6;

[0021] A certain amount of pure water is added to the water storage tank 6 for cleaning the inside of the reverse osmosis membrane element. A liquid injection pipe 28 is vertically penetrated through one side of the partition plate 3. The liquid injection pipe 28 is located between the support plate 28 and the inner side wall of the housing 1. The liquid injection pipe 28 is connected to the water storage tank 6, and water is added to the water storage tank 6 through the liquid injection pipe 28;

[0022] In order to make the reverse osmosis membrane element communicate between the support plate 1 7 and the support plate 2 8, and realize the internal cleaning and final spray cleaning of the reverse osmosis membrane element, the circulation component 12 includes a high-pressure water pump 18, a liquid inlet pipe 19, a diverter box 20 and a connecting pipe 21. The high-pressure water pump 18 is arranged on the outer wall of the housing 1 away from the air pump 16. The water pumping end of the high-pressure water pump 18 is connected to the water storage tank 6. The diverter box 20 is arranged on the outer wall of the housing 1. The connecting pipe 21 is connected between the support plate 1 7 and the diverter box 20. The connecting pipe A solenoid valve 22 is provided in the middle section of 21, and the high-pressure water pump 18 draws water from the water storage tank 6, pumps it into the diversion box 20, enters the interior of the support plate 7 through the connecting pipe 21, and then passes into the water inlet end of the reverse osmosis membrane element through the connecting sleeve 9. The outer sleeve 11 is connected to the center of the water outlet end of the reverse osmosis membrane element to recover the filtered water and enter the water storage tank 6, which is convenient for the recycling of the high-pressure water pump 18. The pressure in the diversion box 20 is controlled by opening and closing the solenoid valve 22 to control the final spray flushing of the nozzle 26.

[0023] like Figure 2 and Figure 4As shown, in order to achieve the final cleaning of the reverse osmosis membrane element, the inner bottom wall of the upper cover 2 is connected to the spray assembly 23, and the spray assembly 23 includes a connecting box 24, a spray pipe 25 and a nozzle 26. The connecting box 24 is fixedly connected to the middle of the bottom wall of the upper cover 2, and the nozzle 26 is fixedly connected to the bottom wall of the connecting box 24. The nozzles 26 are arranged in an array distribution. One end of the spray pipe 25 is connected to the connecting box 24, and the other end of the spray pipe 25 is connected to the diverter box 20. An electromagnetic valve 27 is provided at one end of the spray pipe 25 close to the diverter box 20. By opening and closing the electromagnetic valve 27, the pressurized pure water in the diverter box 20 enters the connecting box 24 through the spray pipe 25, and then the reverse osmosis membrane element is flushed by the nozzle 26 at the bottom of the connecting box 24.

[0024] During specific use, the operator opens the upper cover 2 , pours water and acid or alkaline solution into the upper part of the partition 3 inside the accommodating shell 1 , and adds pure water into the water storage tank 6 through the injection pipe 28 .

[0025] The reverse osmosis membrane element is fixedly installed between the support plate 1 7 and the support plate 2 8, so that the water inlet end of the reverse osmosis membrane element is threadedly connected to the connecting sleeve 9, and the outer sleeve 11 is rotated according to the length of the reverse osmosis membrane element, so that the outer sleeve 11 rotates on the outer wall of the inner tube 10 to adjust its length. The baffle 13 contacts the end face of the water outlet end of the reverse osmosis membrane element for supporting and limiting, so that the outer sleeve 11 is plugged and connected to the center of the water outlet end of the reverse osmosis membrane element for receiving the filtered pure water, so that a circulation loop is formed between the support plate 1 7, the reverse osmosis membrane element box, the support plate 2 8 and the water storage tank 6.

[0026] The air pump 16 is started to mix the mixed liquid on the upper part of the partition plate 3 to prepare a cleaning agent, and the reverse osmosis membrane is soaked. At the same time, the bubbles generated impact the outer wall of the reverse osmosis membrane element to increase the soaking effect.

[0027] Start the water pump. The high-pressure water pump 18 draws water from the water storage tank 6, pumps it into the diverter box 20, enters the interior of the support plate 7 through the connecting pipe 21, and then enters the water inlet end of the reverse osmosis membrane element through the connecting sleeve 9. The outer sleeve 11 is connected to the center of the water outlet end of the reverse osmosis membrane element to recover the filtered water and enter the water storage tank 6 to facilitate the recycling of the high-pressure water pump 18. The pressure in the diverter box 20 is controlled by opening and closing the solenoid valve 22 to control the final spray flushing of the nozzle 26.

[0028] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A reverse osmosis membrane cleaning device, comprising a housing and an upper cover, wherein the upper cover is hinged to the upper part of the housing, and characterized in that: It also includes a partition, a positioning and connecting mechanism and an impact stirring mechanism. The partition is arranged at the lower part of the inner wall of the containing shell, and a water storage tank is formed between the partition and the bottom wall of the containing shell. The impact stirring mechanism is arranged in the middle of the upper part of the partition to mix the cleaning agent and increase the contact between the cleaning agent and the surface of the reverse osmosis membrane. The positioning and connecting mechanism is arranged on both sides of the upper part of the partition to clamp the two ends of the membrane shell.

2. A reverse osmosis membrane cleaning device according to claim 1, characterized in that: The positioning and connecting mechanism includes support plate 1, support plate 2, a connecting sleeve, an inner tube, an outer tube and a circulation component. Support plate 1 and support plate 2 are arranged on both sides of the upper part of the partition. Support plate 1 and support plate 2 are hollow structures and are symmetrically arranged. The connecting sleeve is fixedly connected to the upper part of the inner wall of support plate 1, and the connecting sleeve is communicated with the interior of support plate 1. The inner tube is arranged on the upper part of the inner wall of support plate 2. The outer tube is threadedly connected to the outer wall of the inner tube. A baffle is provided in the middle of the outer wall of the outer tube, and the circulation component is arranged on the outer wall of the accommodating shell.

3. A reverse osmosis membrane cleaning device according to claim 1, characterized in that: The impact stirring mechanism includes a pressure box, an air jet pipe and an air pump. The pressure box is arranged in the middle of the upper part of the partition. One end of the air jet pipe passes through the upper wall of the pressure box and is connected to the inside of the pressure box. The air pump is arranged on the outer wall of the accommodating shell. The air outlet end of the air pump is connected to the pipeline of the side wall of the pressure box. A rubber valve is provided inside the air jet pipe.

4. A reverse osmosis membrane cleaning device according to claim 2, characterized in that: The circulation component includes a high-pressure water pump, a liquid inlet pipe, a diverter box and a connecting pipe. The high-pressure water pump is arranged on the outer wall of the accommodating shell away from the air pump. The water pumping end of the high-pressure water pump is connected to the water storage tank. The diverter box is arranged on the outer wall of the accommodating shell. The connecting pipe is connected between the support plate 1 and the diverter box. The middle section of the connecting pipe is provided with an electromagnetic valve 1.

5. A reverse osmosis membrane cleaning device according to claim 1, characterized in that: The inner bottom wall of the upper cover is connected to a spray assembly, which includes a connection box, a spray pipe and a nozzle. The connection box is fixedly connected to the middle of the bottom wall of the upper cover, and the nozzle is fixedly connected to the bottom wall of the connection box. The nozzles are distributed in an array, one end of the spray pipe is connected to the connection box, and the other end of the spray pipe is connected to the diversion box. A solenoid valve 2 is provided at one end of the spray pipe close to the diversion box.

6. A reverse osmosis membrane cleaning device according to claim 1, characterized in that: A liquid injection pipe is vertically penetrated through one side of the partition, and the liquid injection pipe is located between the second support plate and the inner side wall of the accommodating shell, and the liquid injection pipe is connected to the water storage tank.

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