A membrane concentrated water treatment method and equipment based on advanced oxidation technology

Abstract

The present invention discloses a membrane concentrated water treatment method and equipment based on advanced oxidation technology, belonging to the technical field of concentrated water treatment. It includes a liquid storage box, a water inlet pipe, a drainage pipe, a first fixed block, a second fixed block, a liquid guide joint, a gas guide joint, a reverse osmosis filter tube, a gas discharge pipe and a first gas guide pipe. The liquid storage box is a hollow structure and forms a liquid storage cavity with a single-side opening. The water inlet pipe and the drainage pipe are relatively fixed on the liquid storage box and communicate with the liquid storage cavity. The first fixed block is fixed at the opening of the liquid storage cavity. The present invention does not need to transfer or discharge concentrated water, improves the treatment efficiency of concentrated water, and can retain impurities and foreign matter backwashed in the liquid storage cavity, so that the impurities and foreign matter backwashed can be purified in the next concentrated water oxidation treatment and discharged with the purified concentrated water. There is no need to clean the impurities and foreign matter separately, which greatly reduces the maintenance difficulty of the equipment.

Description

Technical Field

[0001] The invention relates to a membrane concentrated water treatment method and equipment based on advanced oxidation technology, belonging to the technical field of concentrated water treatment. Background Art

[0002] In the process of traditional water purification, reverse osmosis filtration of water will produce brine, and the treatment of brine needs to be transferred to special treatment equipment through pipelines. The brine cannot be treated in the space of direct reverse osmosis filtration. This will increase the pipelines and related equipment for brine treatment, reduce water treatment efficiency and increase the difficulty of maintenance of treatment equipment. At the same time, since some brine will remain in the reverse osmosis filter element and the environment for a long time, some organic pollutants and microorganisms in the brine will remain in the reverse osmosis filtration space, thereby polluting the reverse osmosis filter element and other related parts, affecting water purification. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a membrane concentrate treatment method and equipment based on advanced oxidation technology, which solves the problem that the water treatment equipment in the prior art cannot oxidize the concentrate in the space of direct reverse osmosis filtration, resulting in a large number of pipelines in the water treatment equipment and high maintenance difficulty, and the concentrate is retained in the water treatment equipment, which easily causes pollution to the filtering parts.

[0004] The technical problem to be solved by the present invention is achieved by adopting the following technical scheme: a membrane concentrated water treatment device based on advanced oxidation technology, comprising a liquid storage box, a water inlet pipe, a drainage pipe, a first fixed block, a second fixed block, a liquid guide joint, a gas guide joint, a reverse osmosis filter element tube, a gas exhaust pipe and a first gas guide pipe, the liquid storage box is a hollow structure and forms a liquid storage cavity with a single-side opening, the water inlet pipe and the drainage pipe are relatively fixed on the liquid storage box and communicated with the liquid storage cavity, the first fixed block is fixed at the opening of the liquid storage cavity, the second fixed block is fixed on the side of the first fixed block away from the liquid storage box, and the second fixed block and the first fixed block are separated. An air filling chamber and a water purification chamber are respectively formed, the air guide joint is connected with the air filling chamber, the liquid guide joint is connected with the water purification chamber, the reverse osmosis filter tube is arranged in the liquid storage chamber, the two ends of the reverse osmosis filter tube are respectively fixed with the first fixed block and the inner wall of the liquid storage chamber, the reverse osmosis filter tube is connected with the water purification chamber, the gas discharge pipe is located on the radial side of the reverse osmosis filter tube, the two ends of the gas discharge pipe are respectively fixedly connected with the inner wall of the liquid storage chamber and the first fixed block, the reverse osmosis filter tube and the gas discharge pipe at the same position are a processing structure, a plurality of processing structures are arranged in the extension direction of the first fixed block, and the two ends of the first air guide pipe are respectively connected with the air filling chamber and the gas discharge pipe.

[0005] By adopting the above technical scheme, in the initial state, the air guide joint is connected with the external air supply equipment, the liquid guide joint is connected with the external water pump equipment, water is introduced into the liquid storage chamber through the water inlet pipe to fill the liquid storage chamber with water, and then the external water pump equipment is started to generate negative pressure in the clean water chamber, and under the action of pressure, the water is filtered by the reverse osmosis filter tube and enters the reverse osmosis filter tube to form pure water, and the pure water flows into the clean water chamber under the action of the air pressure difference, and finally the pure water is discharged through the liquid guide joint, and the remaining concentrated water remains in the liquid storage chamber, and then the external air supply equipment introduces ozone gas into the charging chamber through the air guide joint, and finally enters the gas discharge pipe and is discharged to the liquid storage chamber through the exhaust hole, and the ozone entering the liquid storage chamber oxidizes the concentrated water inside the liquid storage chamber to remove the concentrated water. The purpose of removing organic pollutants, inorganic pollutants and microorganisms is to filter the water first to obtain a part of pure water, and to directly treat the concentrated water produced by the filtration without transferring or discharging the concentrated water, thereby improving the treatment efficiency of the concentrated water. At the same time, it also avoids the microorganisms and organic pollutants from being retained in the liquid storage chamber for a long time to pollute the filter element and related parts. At the same time, the liquid guide joint is connected to the external water supply device to backwash the reverse osmosis filter element tube, so that the impurities and foreign matter backwashed out can be retained in the liquid storage chamber, and the reverse osmosis filter element tube can be cleaned at the same time, so that the impurities and foreign matter backwashed out can be purified in the next concentrated water oxidation treatment and discharged with the purified concentrated water. There is no need to clean the impurities and foreign matter separately, which greatly reduces the difficulty of equipment maintenance.

[0006] The present invention is further configured as follows: a second connection block fixedly connected to the first fixed block is provided at the connection end of the reverse osmosis filter element tube and the gas discharge pipe in one processing structure and the first fixed block, a first connection block fixed to the inner wall of the liquid storage chamber is provided at the other end of the reverse osmosis filter element tube and the gas discharge pipe, a movable block is provided between the first connection block and the second connection block, the movable block is sleeved outside the reverse osmosis filter element tube and the gas discharge pipe, a flexible expansion membrane is fixedly provided between the movable block and the second connection block, the flexible expansion membrane is arranged around the reverse osmosis filter element tube and the gas discharge pipe and surrounded by the movable block and the second connection block to form a closed space, a threaded shaft is rotatably provided on the first connection block, the threaded shaft extends in the vertical direction and penetrates the movable block, the threaded shaft is threadedly connected to the movable block, one end of the threaded shaft extends into the closed space and is rotatably connected to the second connection block, a power chamber located inside the liquid storage box body is provided on the side of the liquid storage chamber away from the opening, the other end of the threaded shaft extends into the power chamber, one end of the threaded shaft in the adjacent processing structure located in the power chamber is connected to the power through a sprocket group, and a driving motor connected to the power of the threaded shaft in one processing structure is fixedly provided on the outside of the liquid storage box body.

[0007] By adopting the above technical solution, after the driving motor is started, it drives the threaded shaft in one processing structure to rotate, thereby driving the threaded shafts in other processing structures to rotate through the sprocket group. Since the threaded shaft is threadedly connected to the movable block, and the movable block is penetrated by the reverse osmosis filter element tube and the gas exhaust pipe and cannot rotate, the movable block moves along the axial direction of the threaded shaft under the action of the threaded structure at this time, so as to achieve the purpose of adjusting the position of the movable block. When the equipment is used for water treatment, the driving motor is started in the positive direction to move the movable block toward the direction of the second connecting block, so that the reverse osmosis filter element tube and the gas exhaust pipe are inside the liquid storage chamber, the reverse osmosis filter element tube and the gas exhaust pipe are in direct contact with the water in the liquid storage chamber, and then subsequent water treatment is carried out. When the equipment is not used for water treatment and the reverse osmosis filter element tube is already After cleaning is completed by backwashing, the drive motor is started in reverse to move the movable block toward the first connecting block, so that the reverse osmosis filter tube and the gas exhaust pipe are completely inside the closed space. At this time, the liquid guide joint is connected to the external water supply equipment, and the external water supply equipment guides the clean water into the clean water cavity, and then flows back to the closed space through the reverse osmosis filter tube. At this time, after the closed space is full of water, the reverse osmosis filter tube is immersed in water, and the water supply equipment stops introducing water into the clean water cavity. At this time, the treatment equipment can be left standing and wait for the next use. The reverse osmosis filter tube immersed in water will not be cracked and damaged due to long-term exposure to the air, thereby increasing the service life of the reverse osmosis filter tube. At the same time, there is no need to completely fill the liquid storage cavity with water to soak the reverse osmosis filter tube, thereby reducing the waste of water resources.

[0008] The present invention is further configured as follows: a vertically extending fixed partition plate is fixed to an end wall of a side of the liquid storage chamber away from the opening, a plurality of fixed partition plates are provided, and the plurality of fixed partition plates are symmetrically arranged on both sides of a first fixed block, and the plurality of fixed partition plates located on a single side of the first fixed block are respectively aligned with a plurality of processing structures, a hollow structure is formed inside the fixed partition plate to form a storage chamber, the fixed partition plate is penetrated by the storage chamber on the side facing the same direction as the opening of the liquid storage chamber and the side facing the processing structure, a sliding plate is provided in the storage chamber for sliding along a vertical direction, the sliding plate extends toward the processing structure and the extended end is fixedly connected to the movable block, a flexible partition membrane is fixed to a side of the sliding plate away from the opening of the liquid storage chamber, an end of the flexible partition membrane away from the sliding plate is fixed to the inner wall of the storage chamber, the flexible partition membranes are stacked and arranged in the storage chamber, and a drainage hole is provided at the portion where the fixed partition plate is connected to the inner wall of the liquid storage chamber for communicating the storage chamber with the liquid storage chamber.

[0009] By adopting the above technical solution, when the movable block moves toward the second connecting block and the reverse osmosis filter tube and the gas exhaust pipe are completely located inside the liquid storage chamber, the movable block drives the sliding plate to vertically expand the flexible partition membrane stacked in the storage chamber, so that a number of fixed partition plates and flexible partition membranes divide the internal space of the liquid storage chamber into a number of independent spaces interconnected with each other. At this time, the water in the liquid storage chamber will be divided into several parts. At this time, the water in the liquid storage chamber needs to pass through multiple processing structures before it can be discharged after the drainage pipe is opened, thereby further improving the completeness of the water in the liquid storage chamber being filtered by the reverse osmosis filter tube, reducing the amount of water that enters the liquid storage chamber and is directly discharged through the drainage pipe, and improving the water filtration efficiency.

[0010] The present invention is further configured as follows: a plurality of insertion tubes are fixed on one side of the movable block facing the second connecting block, the insertion tubes are located in a closed space, a plurality of air guide channels are provided at the connecting ends of the insertion tubes and the movable block and are radially penetrated by the insertion tubes, a plurality of intermediate pipes aligned with the insertion tubes are provided on the second connecting block, the intermediate pipes penetrate the second connecting block in a vertical direction, a second air guide pipe connected to the intermediate pipes is fixed in the water purification cavity, and an end of the second air guide pipe away from the intermediate pipe extends into the inflation cavity.

[0011] The present invention is further configured as follows: a first sealing sleeve is fixed on the first connecting block and is sleeved on the outside of the gas discharge pipe and the reverse osmosis filter element tube; a second sealing sleeve is fixed on the side of the second connecting block facing the movable block and is sleeved on the outside of the gas discharge pipe and the reverse osmosis filter element tube; the second sealing sleeve and the first sealing sleeve can be inserted into the gaps between the gas discharge pipe and the reverse osmosis filter element tube and the movable block respectively and fill and seal the gaps; a plurality of elastic sealing sheets are relatively fixedly arranged on the inner wall of the intermediate pipe; the elastic sealing sheets arranged oppositely abut against each other, and the abutting ends of the elastic sealing sheets abutting against each other are bent toward the direction of the second air guide pipe.

[0012] By adopting the above technical solution, when the movable block moves to the extreme position toward the second connecting block, the end of the insertion tube is inserted into the middle pipe, and the end of the insertion tube pushes open the elastic sealing pieces abutting against each other. At this time, the elastic sealing pieces are further bent and fit into the inner wall of the middle pipe, and the insertion tube is connected with the second air duct. Since the movable block is close to the second connecting block, the flexible expansion membrane is stacked near the second connecting block. The second sealing sleeve is inserted into the gap between the reverse osmosis filter element tube and the gas exhaust pipe and the movable block respectively. At this time, after ozone is introduced into the inflation cavity, the gas will enter the first air duct and the second air duct respectively. The gas entering the second air duct passes through the middle pipe The ozone gas introduced into the liquid storage chamber through the gas discharge pipe can be shielded by the flexible expansion membrane when it moves toward the water surface of the liquid storage chamber. At this time, the ozone bubbles need to be translated to the part not shielded by the flexible expansion membrane before they can be discharged. In this way, the ozone can be prevented from being directly discharged into the external environment, thereby increasing the residence time of the ozone in the concentrated water in the liquid storage chamber, which is beneficial to improving the oxidation treatment effect of the ozone on the concentrated water in the liquid storage chamber.

[0013] The present invention is further configured as follows: a plug-in block is detachably inserted into the storage cavity, a filter plate is fixed to one end of the plug-in block that faces the opening of the liquid storage cavity, two filter plates are provided and are respectively located on both sides of the first fixed block, the filter plates block the space on both sides of the first fixed block in the liquid storage cavity, the filter plates abut against the fixed partition plate, and a plurality of filter holes are vertically penetrated on the filter plates.

[0014] By adopting the above technical scheme, when the water quality entering the liquid storage chamber is poor and the amount of water entering the liquid storage chamber does not exceed the fixed partition plate, the water entering the liquid storage chamber through the water inlet pipe can be initially filtered through the filter holes on the filter plate to prevent large-sized foreign matter from remaining at the bottom of the liquid storage chamber, and then the remaining upper water enters the bottom of the liquid storage chamber to gather and be separated by the fixed partition plate. After the water is filtered and oxidized by the reverse osmosis filter element tube and the gas discharge pipe, the treated concentrated water is discharged through the drainage pipe. At this time, large-sized foreign matter entrained in the water remains on the filter plate. After the water treatment is completed, the plug-in block can be pulled out from the storage chamber to complete the disassembly of the filter plate, and the disassembled filter plate can be cleaned separately, which will not affect the subsequent use of the liquid storage chamber, and greatly reduces the difficulty of maintaining the processing equipment under special working conditions.

[0015] The present invention is further configured as follows: brushes fixedly connected to the movable block are arranged in the gaps between the movable block and the reverse osmosis filter tube and the gas exhaust pipe.

[0016] By adopting the above technical solution, the brush can contact the surface of the reverse osmosis filter tube and the gas exhaust pipe during the movement of the movable block and scrape off the saprophytes and some foreign matter attached to the surface of the gas exhaust pipe and the reverse osmosis filter tube, avoiding residues on the surface of the reverse osmosis filter tube and the gas exhaust pipe that affect the use of the reverse osmosis filter tube and the gas exhaust pipe.

[0017] A treatment method for a membrane concentrated water treatment device based on advanced oxidation technology, the treatment method comprising:

[0018] S1: Open the water inlet pipe, and let water flow into the liquid storage chamber through the water inlet pipe. The water in the liquid storage chamber is initially filtered through the reverse osmosis filter element tube and then sucked into the clean water chamber, and then discharged through the liquid guide joint. The remaining concentrated water remains in the liquid storage chamber;

[0019] S2: ozone gas is introduced into the gas filling chamber through the gas guide joint, the ozone gas in the gas filling chamber enters the gas discharge pipe, and then passes into the concentrated water in the liquid storage chamber through the exhaust hole on the gas discharge pipe to stand and perform oxidation reaction;

[0020] S3: Open the drainage pipe to allow the oxidized concentrated water in the liquid storage chamber to be discharged through the drainage pipe;

[0021] S4: repeat steps S1-S3;

[0022] S5: Pure water is introduced into the water purification chamber through the liquid guide joint. The pure water entering the water purification chamber enters the reverse osmosis filter element tube. The pure water in the reverse osmosis filter element tube permeates into the liquid storage chamber for storage. The water stored in the liquid storage chamber is discharged through the drainage pipe.

[0023] The beneficial effects of the present invention are:

[0024] 1. In the initial state, the air guide joint is connected with the external air supply equipment, and the liquid guide joint is connected with the external water pump equipment. Water is introduced into the liquid storage chamber through the water inlet pipe to fill the liquid storage chamber with water. Then the external water pump equipment is started to generate negative pressure in the clean water chamber. Under the action of pressure, the water is filtered by the reverse osmosis filter tube and enters the reverse osmosis filter tube to form pure water. The pure water flows into the clean water chamber under the action of the air pressure difference, and finally the pure water is discharged through the liquid guide joint. The remaining concentrated water remains in the liquid storage chamber. Then the external air supply equipment introduces ozone gas into the charging chamber through the air guide joint, and finally enters the gas discharge pipe and is discharged into the liquid storage chamber through the exhaust hole. The ozone entering the liquid storage chamber oxidizes the concentrated water inside the liquid storage chamber, so as to achieve the purpose of removing organic pollutants, inorganic pollutants and microorganisms in the concentrated water. It can filter the water first to obtain a part of pure water, and directly treat the concentrated water produced by the filtration without transferring or discharging the concentrated water, thereby improving the treatment efficiency of the concentrated water and preventing microorganisms and organic pollutants from being retained in the liquid storage chamber for a long time to pollute the filter element and related parts.

[0025] 2. Connect the liquid guide joint to the external water supply device to backwash the reverse osmosis filter element tube. This can retain the impurities and foreign matter backwashed out in the liquid storage chamber, and clean the reverse osmosis filter element tube at the same time, so that the impurities and foreign matter backwashed out can be purified in the next concentrated water oxidation treatment and discharged with the purified concentrated water. There is no need to clean the impurities and foreign matter separately, which greatly reduces the difficulty of equipment maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present invention;

[0027] Figure 2 It is a structural cross-sectional view of the reverse osmosis filter tube and the gas discharge pipe in the present invention;

[0028] Figure 3 for Figure 2 A magnified view of the structure at center A;

[0029] Figure 4 for Figure 2 A magnified view of the structure at B in the middle;

[0030] Figure 5 It is a structural cross-sectional view of the fixed partition plate in the present invention;

[0031] Figure 6 for Figure 5 A magnified view of the structure at C in the middle;

[0032] Figure 7 It is a schematic diagram of the structure of the flexible expansion membrane after it is unfolded at the second connection block in the present invention;

[0033] Figure 8 It is a schematic diagram of the structure after the filter plate is installed in the present invention.

[0034] In the figure: 10, liquid storage box; 11, liquid storage chamber; 12, water inlet pipe; 13, drainage pipe; 14, first fixed block; 15, second fixed block; 16, liquid guide joint; 17, air guide joint; 18, fixed partition plate; 19, storage chamber; 20, drainage hole; 21, flexible partition membrane; 22, power chamber; 23, sprocket wheel group; 24, driving motor; 25, threaded shaft; 26, first connecting block; 27, second connecting block; 28 , inflation chamber; 29, water purification chamber; 30, flexible expansion membrane; 31, reverse osmosis filter element tube; 32, gas discharge pipe; 33, movable block; 34, exhaust hole; 35, insertion tube; 36, air guide channel; 37, intermediate pipeline; 38, elastic sealing piece; 39, second air guide tube; 40, first air guide tube; 41, sliding plate; 42, first sealing sleeve; 43, second sealing sleeve; 50, filter plate; 51, plug-in block; 52, filter hole. DETAILED DESCRIPTION

[0035] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention is further described below with reference to specific illustrations.

[0036] like Figures 1 to 4 As shown, a membrane concentrated water treatment device based on advanced oxidation technology includes a liquid storage box 10, a water inlet pipe 12, a drainage pipe 13, a first fixed block 14, a second fixed block 15, a liquid guide joint 16, a gas guide joint 17, a reverse osmosis filter element tube 31, a gas exhaust pipe 32 and a first gas guide pipe 40. The liquid storage box 10 has a hollow structure to form a liquid storage chamber 11. The liquid storage chamber 11 penetrates one side of the liquid storage box 10 in a vertical direction. The water inlet pipe 12 is fixed to a side of the liquid storage chamber 11 close to the opening of the liquid storage chamber 11 and is connected to the liquid storage chamber 11. The drainage pipe 13 is fixed to a side of the liquid storage chamber 11 away from the opening of the liquid storage chamber 11. The first fixed block 14 is fixed at the opening of the liquid storage chamber 11, and the second fixed block 15 is fixed on the side of the first fixed block 14 away from the liquid storage box 10. The second fixed block 15 has a hollow structure to form an air-filled cavity 28, and the first fixed block 14 has a hollow structure to form a water-purifying cavity 29. One end of the air guide joint 17 is connected to the air-filled cavity 28, and the other end of the air guide joint 17 extends to the outside of the second fixed block 15. The liquid guide joint 16 is connected to the clean water chamber 29 at one end, and the other end of the liquid guide joint 16 extends to the outside of the liquid storage box 10. The reverse osmosis filter tube 31 is arranged in the liquid storage chamber 11. The reverse osmosis filter tube 31 is fixed to the first fixing block 14 along one end of the reverse osmosis filter tube 31. The other end of the reverse osmosis filter tube 31 is fixed to the end wall of the liquid storage chamber 11 away from the opening of the liquid storage chamber 11. The reverse osmosis filter tube 31 is connected to the clean water chamber 29. The material of the reverse osmosis filter tube 31 is not easily oxidized by ozone, such as composite membrane material, polyamide, etc. The gas exhaust pipe 32 is arranged at the same position as the reverse osmosis filter tube 31, and the gas exhaust pipe 32 is located at the same position as the reverse osmosis filter tube 31. On the radial side of the reverse osmosis filter element tube 31, one end of the gas exhaust pipe 32 is fixed to the end wall of the liquid storage chamber 11 away from the opening of the liquid storage chamber 11, and the other end of the gas exhaust pipe 32 is fixed to the first fixed block 14. A plurality of exhaust holes 34 are radially penetrated on the gas exhaust pipe 32. The reverse osmosis filter element tube 31 and the gas exhaust pipe 32 at the same position are a processing structure. A plurality of processing structures are arranged in the extension direction of the first fixed block 14. One end of the first air guide pipe 40 extends into the inflation chamber 28 and communicates with the inflation chamber 28, and the other end of the first air guide pipe 40 extends into the liquid storage chamber 11 and communicates with the gas exhaust pipe 32.

[0037] like Figures 2 to 4As shown, in a processing structure, the connection ends of the reverse osmosis filter tube 31 and the gas discharge pipe 32 and the first fixed block 14 are provided with a second connection block 27 fixedly connected to the first fixed block 14, and the other ends of the reverse osmosis filter tube 31 and the gas discharge pipe 32 are provided with a first connection block 26 fixed to the inner wall of the liquid storage chamber 11, and a movable block 33 is provided between the first connection block 26 and the second connection block 27. The movable block 33 is sleeved on the outside of the reverse osmosis filter tube 31 and the gas discharge pipe 32, and a flexible expansion membrane 30 is fixedly provided between the movable block 33 and the second connection block 27. The flexible expansion membrane 30 is arranged around the reverse osmosis filter tube 31 and the gas discharge pipe 32 and is connected to the movable block 33 and the second connection block 27. The connecting block 27 surrounds and forms a closed space. A threaded shaft 25 is rotatably provided on the first connecting block 26. The threaded shaft 25 extends in the vertical direction and penetrates the movable block 33. The threaded shaft 25 is threadedly connected to the movable block 33. One end of the threaded shaft 25 extends into the closed space and is rotatably connected to the second connecting block 27. A power chamber 22 located inside the liquid storage box 10 is provided on the side of the liquid storage chamber 11 away from the opening. The other end of the threaded shaft 25 extends into the power chamber 22. One end of the threaded shaft 25 in the adjacent processing structure located in the power chamber 22 is connected to the power through the sprocket set 23. A driving motor 24 connected to the threaded shaft 25 in one processing structure is fixedly provided on the outside of the liquid storage box 10. A brush fixedly connected to the movable block 33 is provided in the gap between the movable block 33 and the reverse osmosis filter element tube 31 and the gas exhaust pipe 32. The brush can contact the surface of the reverse osmosis filter tube 31 and the gas exhaust pipe 32 during the movement of the movable block 33 and scrape off the saprophytes and some foreign matter attached to the surface of the gas exhaust pipe 32 and the reverse osmosis filter tube 31, avoiding the residue on the surface of the reverse osmosis filter tube 31 and the gas exhaust pipe 32 that affects the use of the reverse osmosis filter tube 31 and the gas exhaust pipe 32.

[0038] like Figure 5 and Figure 7As shown, a vertically extending fixed partition plate 18 is fixed to the end wall of the liquid storage chamber 11 away from the opening. A plurality of fixed partition plates 18 are provided, and the plurality of fixed partition plates 18 are symmetrically arranged on both sides of the first fixed block 14. The plurality of fixed partition plates 18 located on a single side of the first fixed block 14 are aligned with a plurality of processing structures respectively. The fixed partition plates 18 have a hollow structure to form a storage chamber 19. The storage chamber 19 penetrates the fixed partition plate 18 on the side facing the same direction as the opening of the liquid storage chamber 11 and on the side facing the processing structure. A sliding plate 41 is provided in the storage chamber 19 for sliding in the vertical direction. The sliding plate 41 extends toward the processing structure and the extended end is fixedly connected to the movable block 33. A flexible partition membrane 21 is fixed on the side of the sliding plate 41 away from the opening of the liquid storage chamber 11. One end of the flexible partition membrane 21 away from the sliding plate 41 is fixed to the inner wall of the storage chamber 19. The flexible partition membranes 21 are stacked in the storage chamber 19. The portion where the fixed partition plate 18 is connected to the inner wall of the liquid storage chamber 11 is provided with a drainage hole 20 for connecting the storage chamber 19 with the liquid storage chamber 11.

[0039] like Figures 2 to 6 As shown, a plurality of insertion tubes 35 are fixed to the side of the movable block 33 facing the second connecting block 27, and the insertion tubes 35 are located in a closed space. A plurality of air guide channels 36 are provided at the connecting end of the insertion tubes 35 and the movable block 33, which pass through the insertion tubes 35 in a radial direction. A plurality of intermediate pipes 37 aligned with the insertion tubes 35 are provided on the second connecting block 27, and the intermediate pipes 37 pass through the second connecting block 27 in a vertical direction. A second air guide pipe 39 connected to the intermediate pipe 37 is fixed in the water purification chamber 29, and the second air guide pipe 39 extends to the inflation chamber 28 at one end away from the intermediate pipe 37. A first sealing sleeve 42 is fixed on the first connecting block 26 and is sleeved on the outside of the gas discharge pipe 32 and the reverse osmosis filter element tube 31. A second sealing sleeve 43 is fixed on the side of the second connecting block 27 facing the movable block 33 and is sleeved on the outside of the gas discharge pipe 32 and the reverse osmosis filter element tube 31. The second sealing sleeve 43 and the first sealing sleeve 42 can be inserted into the gaps between the gas discharge pipe 32 and the reverse osmosis filter element tube 31 and the movable block 33 respectively and fill and seal the gaps. A plurality of elastic sealing sheets 38 are relatively fixedly arranged on the inner wall of the intermediate pipe 37. The elastic sealing sheets 38 arranged oppositely abut against each other, and the abutting ends of the elastic sealing sheets 38 abutting against each other are bent toward the direction of the second air guide pipe 39.

[0040] like Figure 8 As shown, a plug-in block 51 is detachably inserted into the storage cavity 19, and a filter plate 50 is fixed to one end of the plug-in block 51 that opens toward the liquid storage cavity 11. Two filter plates 50 are provided, which are respectively located on both sides of the first fixed block 14. The filter plates 50 block the space on both sides of the first fixed block 14 in the liquid storage cavity 11. The filter plate 50 abuts against the fixed partition plate 18, and a plurality of filter holes 52 are vertically penetrated through the filter plate 50.

[0041] In the initial state, the air guide joint 17 is connected to the external air supply device, and the liquid guide joint 16 is connected to the external water pump device. Water is introduced into the liquid storage chamber 11 through the water inlet pipe 12 to fill the liquid storage chamber 11 with water. Then the external water pump device is started to generate negative pressure in the clean water chamber 29. Under the action of pressure, the water is filtered by the reverse osmosis filter tube 31 and enters the reverse osmosis filter tube 31 to form pure water. The pure water flows into the clean water chamber 29 under the action of the air pressure difference, and finally the pure water is discharged through the liquid guide joint 16. The remaining concentrated water remains in the liquid storage chamber 11. Then the external air supply device introduces the ozone gas into the charging chamber 28 through the air guide joint 17, and finally enters the gas discharge pipe 32 and is discharged into the liquid storage chamber 11 through the exhaust hole 34. Ozone oxidizes the concentrated water inside the liquid storage chamber 11 to achieve the purpose of removing organic pollutants, inorganic pollutants and microorganisms in the concentrated water. It can first filter the water to obtain a portion of pure water, and directly treat the concentrated water produced by filtration without transferring or discharging the concentrated water, thereby improving the treatment efficiency of the concentrated water. At the same time, the liquid guide joint 16 is connected to the external water supply device to backwash the reverse osmosis filter element tube 31, so that the impurities and foreign matter backwashed out can be retained in the liquid storage chamber 11, and the reverse osmosis filter element tube 31 can be cleaned at the same time, so that the impurities and foreign matter backwashed out can be purified in the next concentrated water oxidation treatment and discharged with the purified concentrated water. There is no need to clean the impurities and foreign matter separately, which greatly reduces the difficulty of equipment maintenance.

[0042] After the driving motor 24 is started, it drives the threaded shaft 25 in one processing structure to rotate, thereby driving the threaded shaft 25 in other processing structures to rotate through the sprocket set 23. Since the threaded shaft 25 is threadedly connected to the movable block 33, and the movable block 33 is penetrated by the reverse osmosis filter element tube 31 and the gas exhaust pipe 32 and cannot rotate, at this time, under the action of the threaded structure, the movable block 33 moves along the axial direction of the threaded shaft 25 to achieve the purpose of adjusting the position of the movable block 33. When the equipment is used for water treatment, the driving motor 24 is started in the forward direction to move the movable block 33 toward the direction of the second connecting block 27, so that the reverse osmosis filter element tube 31 and the gas exhaust pipe 32 are inside the liquid storage chamber 11, and the reverse osmosis filter element tube 31 and the gas exhaust pipe 32 are in direct contact with the water in the liquid storage chamber 11, and then subsequent water treatment is carried out. When the equipment is not used for water treatment and the reverse osmosis filter element tube 31 is not in direct contact with the water in the liquid storage chamber 11, subsequent water treatment can be carried out. After 31 has been cleaned through backwashing, the drive motor 24 is started in reverse to move the movable block 33 toward the direction of the first connecting block 26, so that the reverse osmosis filter tube 31 and the gas exhaust pipe 32 are completely inside the closed space. At this time, the liquid guide joint 16 is connected to the external water supply equipment, and the external water supply equipment guides the clean water into the clean water chamber 29, and then flows back to the closed space through the reverse osmosis filter tube 31. At this time, after the closed space is full of water, the reverse osmosis filter tube 31 is immersed in water, and the water supply equipment stops introducing water into the clean water chamber 29. At this time, the treatment equipment can be left standing and wait for the next use. The reverse osmosis filter tube 31 immersed in water will not be cracked and damaged due to long-term exposure to the air, thereby increasing the service life of the reverse osmosis filter tube 31. At the same time, there is no need to completely fill the liquid storage chamber 11 with water to soak the reverse osmosis filter tube 31, thereby reducing the waste of water resources.

[0043] When the movable block 33 moves toward the second connecting block 27 and the reverse osmosis filter tube 31 and the gas exhaust pipe 32 are completely located inside the liquid storage chamber 11, the movable block 33 drives the sliding plate 41 to vertically expand the flexible partition membrane 21 stacked in the storage chamber 19, so that a number of fixed partition plates 18 and the flexible partition membrane 21 divide the internal space of the liquid storage chamber 11 into a number of independent spaces interconnected with each other. At this time, the water in the liquid storage chamber 11 will be divided into several parts. At this time, after the drainage pipe 13 is opened, the water in the liquid storage chamber 11 needs to pass through multiple processing structures before it can be discharged, thereby further improving the completeness of the water in the liquid storage chamber 11 being filtered by the reverse osmosis filter tube 31, reducing the amount of water entering the liquid storage chamber 11 and being directly discharged through the drainage pipe 13, and improving the filtering efficiency of water.

[0044] When the movable block 33 moves to the extreme position toward the second connecting block 27, the end of the insertion tube 35 is inserted into the middle pipe 37, and the end of the insertion tube 35 pushes open the elastic sealing piece 38 that abuts against each other. At this time, the elastic sealing piece 38 is further bent and fits the inner wall of the middle pipe 37, and the insertion tube 35 is connected with the second air guide pipe 39. Since the movable block 33 is close to the second connecting block 27, the flexible expansion membrane 30 is stacked near the second connecting block 27. The second sealing sleeve 43 is inserted into the gap between the reverse osmosis filter element tube 31 and the gas discharge pipe 32 and the movable block 33 respectively, so that the gas cannot overflow through the gap. At this time, after the ozone is passed into the inflation cavity 28, the gas will enter the first air guide pipe 40 and the second air guide pipe 39 respectively. The gas entering the second air guide pipe 39 enters the insertion tube 35 through the middle pipe 37, and the gas in the insertion tube 35 enters the closed space through the air guide channel 36. At this time, the gas in the closed space gathers to cause the stacked flexible expansion membranes 30 to unfold, as shown in FIG. Figure 7 As shown in the flexible expansion membrane 30 in the figure, the unfolded flexible expansion membrane 30 has a shielding effect on the water surface at the water surface of the liquid storage chamber 11, so that the ozone introduced into the liquid storage chamber 11 through the gas discharge pipe 32 can be shielded by the flexible expansion membrane 30 when it moves toward the water surface of the liquid storage chamber 11. At this time, the ozone bubbles need to be translated to the part not blocked by the flexible expansion membrane 30 before they can be discharged. In this way, the ozone cannot be directly discharged into the external environment, and the residence time of the ozone in the concentrated water in the liquid storage chamber 11 is increased, which is beneficial to improve the oxidation treatment effect of the ozone on the concentrated water in the liquid storage chamber 11. Furthermore, since the flexible expansion membrane 30 is deployed on the surface of the concentrated water in the liquid storage chamber 11, when the gas discharge pipe 32 introduces ozone gas into the liquid storage chamber 11, the concentrated water in the liquid storage chamber 11 will be disturbed. By deploying the flexible expansion membrane 30 on the surface of the concentrated water in the liquid storage chamber 11, the flexible expansion membrane 30 can hinder the disturbed concentrated water, thereby preventing the concentrated water from shaking due to excessive disturbance and causing splashing of the concentrated water, thereby improving the stability of the concentrated water during oxidation treatment.

[0045] When the water quality introduced into the liquid storage chamber 11 is poor and the amount of water introduced into the liquid storage chamber 11 does not exceed the fixed partition plate 18, the water introduced into the liquid storage chamber 11 through the water inlet pipe 12 can be initially filtered through the filter holes 52 on the filter plate 50 to prevent large-sized foreign matter from remaining at the bottom of the liquid storage chamber 11, and then the remaining upper water enters the bottom of the liquid storage chamber 11 to gather and be separated by the fixed partition plate 18. After the water is filtered and oxidized by the reverse osmosis filter element tube 31 and the gas discharge pipe 32, the treated concentrated water is discharged through the drainage pipe 13. At this time, large-sized foreign matter entrained in the water remains on the filter plate 50. After the water treatment is completed, the plug-in block 51 can be pulled out from the storage chamber 19 to complete the disassembly of the filter plate 50, and the disassembled filter plate 50 can be cleaned separately, which will not affect the subsequent use of the liquid storage chamber 11, and greatly reduces the difficulty of maintaining the processing equipment under special working conditions.

[0046] A treatment method for a membrane concentrated water treatment device based on advanced oxidation technology, the treatment method comprising:

[0047] S1: connect the air guide joint 17 to the air supply device, connect the liquid guide joint 16 to the water pump, open the water inlet pipe 12, and introduce membrane concentrated water into the liquid storage chamber 11 through the water inlet pipe 12. The membrane concentrated water in the liquid storage chamber 11 is sucked into the clean water chamber 29 after initial filtration by the reverse osmosis filter element tube 31, and is discharged through the liquid guide joint 16. The remaining concentrated water remains in the liquid storage chamber 11. At this time, the movable block 33 is located near the second connecting block 27, and the reverse osmosis filter element tube 31 and the gas discharge pipe 32 are completely located inside the liquid storage chamber 11 and in contact with the concentrated water;

[0048] S2: ozone gas is introduced into the gas filling chamber 28 through the gas guide joint 17, and the ozone gas in the gas filling chamber 28 enters the gas discharge pipe 32, and then passes into the concentrated water in the liquid storage chamber 11 through the exhaust hole 34 on the gas discharge pipe 32 to stand and perform oxidation reaction;

[0049] S3: Open the drainage pipe 13 to allow the oxidized concentrated water in the liquid storage chamber 11 to be discharged through the drainage pipe 13;

[0050] S4: Repeat steps S1-S3 until all concentrated water is processed;

[0051] S5: connecting the external water supply device with the liquid guide joint 16, introducing pure water into the water purification chamber 29 through the liquid guide joint 16, the pure water entering the water purification chamber 29 enters the reverse osmosis filter tube 31, and the pure water in the reverse osmosis filter tube 31 permeates into the liquid storage chamber 11 for storage, completing the backwashing operation of the reverse osmosis filter tube 31;

[0052] S6: Start the drive motor 24 to move the movable block 33 toward the first connecting block 26 to the limit position, and insert the first sealing sleeve 42 into the gaps between the reverse osmosis filter tube 31 and the gas discharge tube 32 and the movable block 33, and then turn off the drive motor 24;

[0053] S7: The external water supply device introduces pure water into the water purification chamber 29 through the liquid guide joint 16, and the pure water permeates through the reverse osmosis filter tube 31 and is stored in the closed space, so that the reverse osmosis filter tube 31 is completely immersed in water;

[0054] S8: Shut off the water supply and allow the treatment equipment to rest.

[0055] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A membrane concentrate water treatment equipment based on advanced oxidation technology, characterized in that: The invention comprises a liquid storage box (10), a water inlet pipe (12), a drainage pipe (13), a first fixed block (14), a second fixed block (15), a liquid guide joint (16), a gas guide joint (17), a reverse osmosis filter element tube (31), a gas discharge pipe (32) and a first gas guide pipe (40); the liquid storage box (10) is a hollow structure and forms a liquid storage chamber (11) with a single-side opening; the water inlet pipe (12) and the drainage pipe (13) are relatively fixed on the liquid storage box (10) and communicate with the liquid storage chamber (11); the first fixed block (14) is fixed at the opening of the liquid storage chamber (11); the second fixed block (15) is fixed on a side of the first fixed block (14) away from the liquid storage box (10); an air filling chamber (28) and a water purification chamber (29) are respectively formed in the second fixed block (15) and the first fixed block (14); and the gas guide joint ( 17) is communicated with the air filling chamber (28), the liquid guide joint (16) is communicated with the water purification chamber (29), the reverse osmosis filter tube (31) is arranged in the liquid storage chamber (11), the two ends of the reverse osmosis filter tube (31) are respectively fixed to the first fixing block (14) and the inner wall of the liquid storage chamber (11), the reverse osmosis filter tube (31) is communicated with the water purification chamber (29), the gas discharge pipe (32) is located on the radial side of the reverse osmosis filter tube (31), the two ends of the gas discharge pipe (32) are respectively fixedly connected to the inner wall of the liquid storage chamber (11) and the first fixing block (14), the reverse osmosis filter tube (31) and the gas discharge pipe (32) at the same position are a processing structure, a plurality of processing structures are arranged in the extension direction of the first fixing block (14), and the two ends of the first gas guide pipe (40) are respectively communicated with the air filling chamber (28) and the gas discharge pipe (32); In a treatment structure, a second connection block (27) fixedly connected to the first fixed block (14) is provided at the connection end of the reverse osmosis filter tube (31) and the gas discharge tube (32) and the first fixed block (14); a first connection block (26) fixed to the inner wall of the liquid storage chamber (11) is provided at the other end of the reverse osmosis filter tube (31) and the gas discharge tube (32); a movable block (33) is provided between the first connection block (26) and the second connection block (27); the movable block (33) is sleeved on the outside of the reverse osmosis filter tube (31) and the gas discharge tube (32); a flexible expansion membrane (30) is fixedly provided between the movable block (33) and the second connection block (27); the flexible expansion membrane (30) surrounds the reverse osmosis filter tube (31) and the gas discharge tube (32) and is connected to the movable block (33) and the second connection block (27). The connecting block (27) surrounds and forms a closed space. A threaded shaft (25) is rotatably provided on the first connecting block (26). The threaded shaft (25) extends in a vertical direction and penetrates the movable block (33). The threaded shaft (25) is threadedly connected to the movable block (33). One end of the threaded shaft (25) extends into the closed space and is rotatably connected to the second connecting block (27). A power chamber (22) located inside the liquid storage box (10) is provided on a side of the liquid storage chamber (11) away from the opening. The other end of the threaded shaft (25) extends into the power chamber (22). One end of the threaded shaft (25) in the adjacent processing structure located in the power chamber (22) is connected to the power via a sprocket group (23). A driving motor (24) connected to the power of the threaded shaft (25) in one processing structure is fixedly provided on the outside of the liquid storage box (10).

2. The membrane concentrate water treatment equipment based on advanced oxidation technology according to claim 1 is characterized in that: A fixed partition plate (18) extending vertically is fixed to an end wall of the liquid storage chamber (11) away from the opening. A plurality of fixed partition plates (18) are provided. The plurality of fixed partition plates (18) are symmetrically arranged on both sides of the first fixed block (14). The plurality of fixed partition plates (18) located on one side of the first fixed block (14) are aligned with the plurality of processing structures respectively. The fixed partition plates (18) are hollow structures forming a storage chamber (19). The storage chamber (19) penetrates the fixed partition plate (18) on the side facing the same direction as the opening of the liquid storage chamber (11) and on the side facing the processing structure. The storage chamber (19) A sliding plate (41) is provided to slide in the vertical direction, the sliding plate (41) extends toward the processing structure and the extended end is fixedly connected to the movable block (33), a flexible partition membrane (21) is fixed to a side of the sliding plate (41) away from the opening of the liquid storage chamber (11), an end of the flexible partition membrane (21) away from the sliding plate (41) is fixed to the inner wall of the storage chamber (19), the flexible partition membranes (21) are stacked and arranged in the storage chamber (19), and a drainage hole (20) for communicating the storage chamber (19) with the liquid storage chamber (11) is provided at a portion where the fixed partition plate (18) is connected to the inner wall of the liquid storage chamber (11).

3. The membrane concentrated water treatment equipment based on advanced oxidation technology according to claim 1 is characterized in that: A plurality of insertion tubes (35) are fixed on one side of the movable block (33) facing the second connection block (27); the insertion tubes (35) are located in the closed space; a plurality of air guide channels (36) are provided at the connection ends of the insertion tubes (35) and the movable block (33) and are radially penetrated by the insertion tubes (35); a plurality of intermediate pipes (37) are provided on the second connection block (27) and are aligned with the insertion tubes (35); the intermediate pipes (37) penetrate the second connection block (27) in a vertical direction; a second air guide pipe (39) in communication with the intermediate pipe (37) is fixed in the water purification chamber (29); an end of the second air guide pipe (39) away from the intermediate pipe (37) extends into the inflation chamber (28).

4. The membrane concentrated water treatment equipment based on advanced oxidation technology according to claim 3 is characterized in that: A first sealing sleeve (42) sleeved on the outside of the gas discharge pipe (32) and the reverse osmosis filter tube (31) is fixed on the first connection block (26); a second sealing sleeve (43) sleeved on the outside of the gas discharge pipe (32) and the reverse osmosis filter tube (31) is fixed on the side of the second connection block (27) facing the movable block (33); the second sealing sleeve (43) and the first sealing sleeve (42) can be inserted into the gaps between the gas discharge pipe (32) and the reverse osmosis filter tube (31) and the movable block (33) respectively and fill and seal the gaps; a plurality of elastic sealing sheets (38) are relatively fixedly arranged on the inner wall of the intermediate pipe (37); the elastic sealing sheets (38) arranged relatively to each other abut against each other; and the abutting ends of the elastic sealing sheets (38) abutting against each other are bent in the direction of the second air guide pipe (39).

5. The membrane concentrate water treatment equipment based on advanced oxidation technology according to claim 2 is characterized in that: A plug-in block (51) is detachably inserted in the storage cavity (19); a filter plate (50) is fixed to one end of the plug-in block (51) that faces the opening of the liquid storage cavity (11); two filter plates (50) are provided, each located on either side of the first fixed block (14); the filter plates (50) block the space in the liquid storage cavity (11) located on either side of the first fixed block (14); the filter plates (50) abut against the fixed partition plate (18); and a plurality of filter holes (52) are vertically penetrated through the filter plate (50).

6. The membrane concentrated water treatment equipment based on advanced oxidation technology according to claim 1 is characterized in that: A brush fixedly connected to the movable block (33) is provided in the gap between the movable block (33) and the reverse osmosis filter tube (31) and the gas discharge tube (32), and the brush abuts against the outer surfaces of the reverse osmosis filter tube (31) and the gas discharge tube (32).

7. A treatment method for membrane concentrated water treatment equipment based on advanced oxidation technology according to any one of claims 1 to 6, characterized in that: The processing method comprises: S1: opening the water inlet pipe (12), and introducing water into the liquid storage chamber (11) through the water inlet pipe (12); the water in the liquid storage chamber (11) is initially filtered through the reverse osmosis filter element tube (31), then sucked into the clean water chamber (29), and discharged through the liquid guide joint (16); the remaining concentrated water is retained in the liquid storage chamber (11); S2: introducing ozone gas into the gas filling chamber (28) through the gas guide joint (17), the ozone gas in the gas filling chamber (28) enters the gas discharge pipe (32), and then passes through the exhaust hole (34) on the gas discharge pipe (32) into the concentrated water in the liquid storage chamber (11) to stand and perform an oxidation reaction; S3: opening the drainage pipe (13) to allow the oxidized concentrated water in the liquid storage chamber (11) to be discharged through the drainage pipe (13); S4: repeat steps S1-S3; S5: Pure water is introduced into the water purification chamber (29) through the liquid guide joint (16), the pure water entering the water purification chamber (29) enters the reverse osmosis filter tube (31), the pure water in the reverse osmosis filter tube (31) permeates into the liquid storage chamber (11) and is stored, and the water stored in the liquid storage chamber (11) is discharged through the drainage pipe (13).

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