CN220443563U - Integrated back flushing device of ultrafiltration membrane system - Google Patents

Abstract

This application relates to an integrated backwash device for an ultrafiltration membrane system, which includes a shell. A flat ultrafiltration membrane is evenly and movablely inserted into the inside of the shell. A transmission mechanism is provided inside the shell, and the top of the inner wall of the shell rotates evenly. An adjustment mechanism is connected, and the adjustment mechanism and the transmission mechanism mesh with each other. The top of the inner wall of the housing is evenly connected with a guide rod. The guide rod is set opposite to the adjustment mechanism. The lower surface of the guide rod is fixedly connected with a limit bar. The limit bar is The upper surface is rotatably connected to the lower surface of the adjusting mechanism; this application relates to the technical field of ultrafiltration membrane filtration. When the integrated backwash device of the ultrafiltration membrane system is in use, the transmission mechanism is started to drive the adjustment mechanism to control the backwash mechanism to move up and down. When the backwash mechanism moves, the backwash mechanism cooperates with the water delivery mechanism to perform ultrafiltration on the flat plate. The membrane is flushed, thereby enhancing the backwashing effect on the flat ultrafiltration membrane, making this application more conducive to practical use.

Description

An integrated backwash device for ultrafiltration membrane system

Technical field

The present application relates to the technical field of ultrafiltration membrane filtration, and in particular to an integrated backwash device for an ultrafiltration membrane system.

Background technique

Ultrafiltration membrane is a polymer semipermeable membrane used in the ultrafiltration process to separate polymer colloids or suspended particles of a certain size from solutions. Artificial permeable membrane used in ultrafiltration process. Generally made of polymer materials such as cellulose acetate, cellulose acetate ester, polyethylene, polysulfone and polyamide. Generally, membrane modules of various types such as tubular type, plate type, roll type, capillary type, etc. are pre-made, and then multiple components are assembled and used together to increase the filtration area and facilitate maintenance. Ultrafiltration technology is a high-tech technology widely used in the fields of water purification, solution separation and concentration, extraction of useful substances from wastewater, and wastewater purification and reuse. It is widely used in pure water and ultrapure water equipment, medical sterile pyrogen-free water equipment, industrial beverages, drinking water, mineral water purification, industrial separation, concentration, purification, industrial wastewater treatment, electrophoresis paint, and electroplating oily wastewater treatment. Integrated means simply assembling and integrating various parts. After the ultrafiltration membrane has been used for a certain period of time, in order to prevent the through holes on the ultrafiltration membrane from being blocked by dirt, a backwash device needs to be used to flush the ultrafiltration membrane.

The utility model with announcement number CN208356530U discloses an ultrafiltration membrane filtration device with a backwash function, including a sewage cylinder and a water purification cylinder. One end port of the sewage cylinder is coaxially welded with a threaded sleeve, and the threaded sleeve is threaded. Connected to the inside of one end port of the water purification cylinder, the other end ports of the sewage cylinder and the water purification cylinder are both sealed and connected to end caps. The sewage cylinder and the water purification cylinder constitute the ultrafiltration membrane filtration device housing. The water purification cylinder A ring of baffle rings is welded to the inner wall of the cylinder, and an ultrafiltration membrane is tightly connected between the threaded sleeve and the baffle ring; four water inlet through holes are opened on the end cap connected to the other end of the sewage cylinder, and the water inlet through holes surround End cover axis setting. This utility model adopts the method of connecting the sewage cylinder and the water purification cylinder to fix the ultrafiltration membrane. At the same time, its detachable structure can facilitate the replacement and inspection of internal components. This utility can ensure the efficient operation of the ultrafiltration membrane through intermittent backwashing, and can also increase the service life of the ultrafiltration membrane.

When the above technical solution is used, a cleaning water storage barrel that can generate high-pressure water is connected in parallel on one side of the water purification cylinder, which facilitates backwashing of the ultrafiltration membrane with high-pressure water. Intermittent backwashing can ensure that the ultrafiltration membrane works efficiently. Improve the service life of the ultrafiltration membrane. However, when the ultrafiltration membrane installed is a large-area flat ultrafiltration membrane, the backwash method of the above scheme may cause poor flushing effect, which is not conducive to actual use. Therefore, this method Those skilled in the art have provided an integrated backwash device for an ultrafiltration membrane system to solve the problems raised in the above background art.

Utility model content

In order to solve the problem of cleaning water storage barrels that can generate high-pressure water in parallel on one side of the water purification cylinder, it is conducive to reverse flushing of the ultrafiltration membrane with high-pressure water. Intermittent backwashing can ensure that the ultrafiltration membrane works efficiently and improve the performance of the ultrafiltration membrane. However, when the installed ultrafiltration membrane is a large-area flat ultrafiltration membrane, the backwash method of the above solution may cause poor flushing effect, which is not conducive to actual use. This application provides an ultrafiltration membrane. Integrated backwash device for membrane filter system.

The integrated backwash device of an ultrafiltration membrane system provided by this application adopts the following technical solution:

An integrated backwash device for an ultrafiltration membrane system, including a shell. A flat ultrafiltration membrane is evenly and movably inserted into the inside of the shell. A transmission mechanism is provided inside the shell. The top of the inner wall of the shell An adjustment mechanism is evenly connected to the adjustment mechanism, and the adjustment mechanism and the transmission mechanism are meshed with each other. A guide rod is evenly and fixedly connected to the top of the inner wall of the housing, and the guide rod is arranged opposite to the adjustment mechanism. The lower surface of the rod is fixedly connected to a limit bar, the upper surface of the limit bar is rotationally connected to the lower surface of the adjustment mechanism, the lower surface of the limit bar is in contact with the bottom of the inner wall of the housing, and the A backwash mechanism is threadedly connected to the outer wall of the adjustment mechanism. One end of the backwash mechanism away from the adjustment mechanism is slidingly connected to the guide rod. The side of the backwash mechanism away from the flat ultrafiltration membrane is fixedly connected to a transmission water agency.

By adopting the above technical solution, the flat ultrafiltration membrane can filter the sewage passing through the interior of the housing. When the transmission mechanism is started, it can drive the adjustment mechanism to rotate. When the adjustment mechanism rotates, it can control the backwash mechanism to move up and down. When the backwash mechanism moves, the backwash mechanism cooperates with the water delivery mechanism to flush the flat ultrafiltration membrane, thereby enhancing the backwash effect on the flat ultrafiltration membrane.

Preferably, the housing includes a rectangular box, the upper surface of the rectangular box is connected with a protective cover through bolts, the inner wall of the rectangular box is evenly and symmetrically provided with installation slots, and both sides of the flat ultrafiltration membrane are located at the Inside the installation groove, one side of the rectangular box is fixedly connected with an inlet pipe penetrating the rectangular box, and the other side of the rectangular box is fixedly connected with a drainage pipe penetrating the rectangular box.

By adopting the above technical solution, the protective cover can be opened and closed as needed. When the protective cover is closed, it can play a certain protective role on the inside of the rectangular box. The water inlet pipe can transport the sewage that needs to be purified into the inside of the rectangular box. The drainage pipe The purified liquid can be discharged from the inside of the rectangular box.

Preferably, the transmission mechanism includes a motor fixedly connected inside the protective cover, a transmission shaft is fixedly connected to the output end of the motor, and an end of the transmission shaft away from the motor is rotationally connected to the inner wall of the protective cover. , the outer wall of the transmission shaft is evenly and fixedly connected with a worm, and the outer wall of the worm meshes with the adjustment mechanism.

By adopting the above technical solution, the starter motor can drive the worm to rotate through the transmission shaft, thereby driving the adjustment mechanism to rotate.

Preferably, one side of the rectangular box is uniformly and fixedly connected with a sewage pipe penetrating the rectangular box, and a control valve is fixedly connected to the sewage pipe.

By adopting the above technical solution, the sewage pipe can discharge the backwashed sewage inside the rectangular box to the outside, and the control valve can control the discharge of the sewage pipe as needed.

Preferably, the adjustment mechanism includes a threaded rod rotatably connected to the top of the inner wall of the protective cover, a worm gear is fixedly connected to the outer wall of the threaded rod, and the outer wall of the worm gear meshes with the worm.

By adopting the above technical solution, the worm wheel can drive the threaded rod to rotate by cooperating with the worm.

Preferably, the backwash mechanism includes a water pipe threadedly connected to the outer wall of the threaded rod, and a flushing nozzle penetrating the water pipe is uniformly and fixedly connected to the side of the water pipe close to the flat ultrafiltration membrane.

By adopting the above technical solution, the water pipe can transport the backwash liquid to the flushing nozzle, and the flushing nozzle can spray the liquid towards the flat ultrafiltration membrane.

Preferably, the water delivery mechanism includes a water delivery pipe fixedly connected inside the protective cover. The bottom of the water delivery pipe is uniformly and fixedly connected with a water hose that penetrates the water delivery pipe. The water hose is away from One end of the water pipe runs through the water pipe and is fixedly connected to the water pipe. An end of the water pipe away from the protective cover is fixedly connected to a high-pressure water pump.

By adopting the above technical solution, the high-pressure water pump cooperates with the water pipe and the water hose to transport high-pressure water into the interior of the water pipe.

To sum up, this application includes the following beneficial technical effects:

1. This ultrafiltration membrane system has an integrated backwash device. The inside of the housing is used to purify domestic sewage. The flat ultrafiltration membrane can filter the sewage passing through the inside of the housing. When the transmission mechanism is started, it can drive the adjustment. The mechanism rotates. When the adjustment mechanism rotates, the backwash mechanism can be controlled to move up and down. The guide rod can limit the moving position of the backwash mechanism. The limit strip can limit the installation positions of the adjustment mechanism and the guide rod, and at the same time limit the backwash mechanism. When the backwash mechanism moves, the backwash mechanism can flush the flat ultrafiltration membrane by cooperating with the water delivery mechanism, thereby enhancing the backwash effect on the flat ultrafiltration membrane and making this application more conducive to practical use. .

2. The ultrafiltration membrane system has an integrated backwash device. The protective cover can be opened and closed as needed. When the protective cover is closed, it can play a certain protective role on the inside of the rectangular box. The water inlet pipe can transport the sewage that needs to be purified. Inside the rectangular box, the drainage pipe can discharge the purified liquid from the inside of the rectangular box. The sewage pipe can discharge the sewage after backwashing inside the rectangular box. The control valve can control the discharge of the sewage pipe as needed.

3. In this ultrafiltration membrane system integrated backwash device, the motor set up to start can drive the worm to rotate through the transmission shaft. When the worm rotates, it can drive the adjustment mechanism to rotate. The threaded rod can limit the installation position of the backwash mechanism. The worm gear By cooperating with the worm, the threaded rod can be driven to rotate. The inside of the water pipe is used to pass water, and the backwash liquid can be transported to the flushing nozzle. The flushing nozzle can spray the liquid towards the flat ultrafiltration membrane. The high-pressure water pump and The water source is connected, and the high-pressure water pump cooperates with the water pipe and the water hose to transport high-pressure water into the interior of the water pipe.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of an embodiment of the present application;

Figure 2 is a schematic left cross-sectional structural diagram in the embodiment of the present application;

Figure 3 is a schematic front cross-sectional structural diagram in the embodiment of the present application;

Figure 4 is a schematic structural diagram of the rectangular box in the embodiment of the present application;

Figure 5 is an enlarged schematic diagram of the structure at point A in Figure 3 according to the embodiment of the present application.

Explanation of reference signs: 1. Shell; 101. Rectangular box; 102. Protective cover; 103. Installation slot; 104. Water inlet pipe; 105. Drainage pipe; 2. Flat ultrafiltration membrane; 3. Transmission mechanism; 301. Motor ; 302. Drive shaft; 303. Worm; 4. Adjustment mechanism; 401. Threaded rod; 402. Worm gear; 5. Backwash mechanism; 501. Water pipe; 502. Flushing nozzle; 6. Water delivery mechanism; 601. Water delivery pipe ; 602. Water hose; 603. High-pressure water pump; 7. Limit strip; 8. Guide rod; 9. Drainage pipe; 10. Control valve.

Detailed ways

The present application will be further described in detail below in conjunction with Figures 1-5.

The embodiment of the present application discloses an integrated backwash device for an ultrafiltration membrane system. Referring to Figures 1, 2 and 3, the ultrafiltration membrane system integrated backwash device includes a housing 1. A flat ultrafiltration membrane 2 is evenly and movably inserted into the interior of the housing 1. A transmission is provided inside the housing 1. Mechanism 3. The top of the inner wall of the casing 1 is evenly connected to an adjusting mechanism 4. The adjusting mechanism 4 and the transmission mechanism 3 mesh with each other. The top of the inner wall of the casing 1 is evenly and fixedly connected to a guide rod 8. The guide rod 8 and the adjusting mechanism 4 are evenly connected. Set oppositely, the lower surface of the guide rod 8 is fixedly connected to the limiting bar 7, the upper surface of the limiting bar 7 is rotationally connected to the lower surface of the adjusting mechanism 4, and the lower surface of the limiting bar 7 is in contact with the bottom of the inner wall of the housing 1. A backwash mechanism 5 is threadedly connected to the outer wall of the adjustment mechanism 4. One end of the backwash mechanism 5 away from the adjustment mechanism 4 is slidingly connected to the guide rod 8. A water delivery mechanism 6 is fixedly connected to the side of the backwash mechanism 5 away from the flat ultrafiltration membrane 2. .

In this embodiment, the inside of the housing 1 provided in the integrated backwash device of the ultrafiltration membrane system is used to purify domestic sewage. The flat ultrafiltration membrane 2 can filter the sewage passing through the inside of the housing 1. The transmission mechanism 3. When started, it can drive the adjustment mechanism 4 to rotate. When the adjustment mechanism 4 rotates, it can control the backwash mechanism 5 to move up and down. The guide rod 8 can limit the moving position of the backwash mechanism 5, and the limit bar 7 can limit the adjustment. The installation position of the mechanism 4 and the guide rod 8 can also limit the moving position of the backwash mechanism 5 and try to avoid the backwash mechanism 5 from falling off. When the backwash mechanism 5 moves, the backwash mechanism 5 passes through the water delivery mechanism 6 Cooperating with it, the flat ultrafiltration membrane 2 can be flushed, thereby enhancing the backwashing effect of the flat ultrafiltration membrane 2, making this application more conducive to practical use.

In a further preferred embodiment of the present invention, as shown in Figures 2, 3 and 4, the housing 1 includes a rectangular box 101. The upper surface of the rectangular box 101 is connected with a protective cover 102 through bolts. The inner wall is evenly and symmetrically provided with installation slots 103. Both sides of the flat ultrafiltration membrane 2 are located inside the installation slot 103. One side of the rectangular box 101 is fixedly connected with a water inlet pipe 104 that penetrates the rectangular box 101. The other side of the rectangular box 101 is fixedly connected to the installation slot 103. A drainage pipe 105 penetrating the rectangular box 101 is fixedly connected to the side.

In this embodiment, the protective cover 102 can be opened and closed as needed. When the protective cover 102 is closed, it can play a certain protective role on the inside of the rectangular box 101. When the protective cover 102 is disassembled, it can drive the transmission mechanism 3, The adjusting mechanism 4, the backwash mechanism 5, the water delivery mechanism 6, the limit bar 7 and the guide rod 8 are disassembled at the same time, so that the application has an integrated effect when in use. The water inlet pipe 104 is set up to collect the sewage that needs to be purified. After being transported into the interior of the rectangular box 101, the drain pipe 105 can discharge the purified liquid from the interior of the rectangular box 101.

In a further preferred embodiment of the present invention, as shown in Figure 4, one side of the rectangular box 101 is evenly and fixedly connected with a sewage pipe 9 that penetrates the rectangular box 101, and the sewage pipe 9 is fixedly connected with a control valve 10.

In this embodiment, the sewage pipe 9 is provided to discharge the backwashed sewage inside the rectangular box 101 to the outside, and the control valve 10 can control the sewage discharge of the sewage pipe 9 as needed.

In a further preferred embodiment of the present invention, as shown in Figures 3 and 5, the transmission mechanism 3 includes a motor 301 fixedly connected inside the protective cover 102. The output end of the motor 301 is fixedly connected to a transmission shaft 302. The transmission shaft The end of 302 away from the motor 301 is rotatably connected to the inner wall of the protective cover 102. The outer wall of the transmission shaft 302 is evenly and fixedly connected with a worm 303, and the outer wall of the worm 303 meshes with the adjustment mechanism 4.

In this embodiment, the starter motor 301 can drive the worm 303 to rotate through the transmission shaft 302. When the worm 303 rotates, it can drive the adjustment mechanism 4 to rotate.

In a further preferred embodiment of the present invention, as shown in Figure 5, the adjustment mechanism 4 includes a threaded rod 401 rotatably connected to the top of the inner wall of the protective cover 102. The outer wall of the threaded rod 401 is fixedly connected with a worm gear 402. The outer wall of the worm gear 402 Engage with the worm 303.

In this embodiment, the threaded rod 401 can limit the installation position of the backwash mechanism 5, and the provided worm gear 402 can drive the threaded rod 401 to rotate by cooperating with the worm 303.

In a further preferred embodiment of the present invention, as shown in Figures 2, 3 and 5, the backwash mechanism 5 includes a water pipe 501 threadedly connected to the outer wall of the threaded rod 401, and the water pipe 501 is close to the flat ultrafiltration membrane 2 A flushing nozzle 502 that penetrates the water pipe 501 is evenly and fixedly connected to one side of the water pipe.

In this embodiment, the water pipe 501 is provided to pass water inside, and can transport backwash liquid to the flushing nozzle 502 , and the flushing nozzle 502 can spray the liquid toward the flat ultrafiltration membrane 2 .

In a further preferred embodiment of the present invention, as shown in Figures 1, 2 and 5, the water delivery mechanism 6 includes a water delivery pipe 601 fixedly connected inside the protective cover 102, and the bottom of the water delivery pipe 601 is uniformly and fixedly connected with A water hose 602 passes through the water pipe 601. The end of the water hose 602 away from the water pipe 601 penetrates the water pipe 501 and is fixedly connected to the water pipe 501. The end of the water pipe 601 away from the protective cover 102 is fixedly connected to a high-pressure water pump. 603.

In this embodiment, the high-pressure water pump 603 is connected to the water source. The high-pressure water pump 603 cooperates with the water pipe 601 and the water hose 602 to transport high-pressure water into the interior of the water pipe 501 .

The implementation principle of the integrated backwash device of the ultrafiltration membrane system in the embodiment of this application is:

During use, the sewage that needs to be purified is transported into the interior of the housing 1, and the sewage passing through the interior of the housing 1 is filtered through the flat ultrafiltration membrane 2. The transmission mechanism 3 is started to drive the adjustment mechanism 4 to rotate. When the adjustment mechanism 4 rotates, By cooperating with the guide rod 8, the backwash mechanism 5 can be controlled to move up and down. The limit bar 7 can limit the installation positions of the adjustment mechanism 4 and the guide rod 8. At the same time, it can limit the moving position of the backwash mechanism 5 to avoid backwash as much as possible. When the mechanism 5 falls off, when the backwash mechanism 5 moves, the backwash mechanism 5 cooperates with the water delivery mechanism 6 to flush the flat ultrafiltration membrane 2, thereby enhancing the backwash effect on the flat ultrafiltration membrane 2. Make this application more conducive to practical use.

The above are all preferred embodiments of the present application, and do not limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application shall be covered by the protection scope of the present application. Inside.

Claims (7)

1. An integrated backwash device for an ultrafiltration membrane system, comprising a housing (1), characterized in that: a flat ultrafiltration membrane (2) is evenly and movably inserted into the interior of the housing (1), and the housing (1) is A transmission mechanism (3) is provided inside the body (1), and an adjustment mechanism (4) is evenly connected to the top of the inner wall of the housing (1). The adjustment mechanism (4) and the transmission mechanism (3) are are meshed with each other, and a guide rod (8) is evenly and fixedly connected to the top of the inner wall of the housing (1). The guide rod (8) is arranged opposite to the adjustment mechanism (4). The guide rod (8) The lower surface is fixedly connected to the limiting bar (7). The upper surface of the limiting bar (7) is rotationally connected to the lower surface of the adjusting mechanism (4). The lower surface of the limiting bar (7) is connected to the lower surface of the adjusting mechanism (4). The bottom of the inner wall of the housing (1) is in contact with each other, and the outer wall of the adjustment mechanism (4) is threadedly connected to a backwash mechanism (5). One end of the backwash mechanism (5) away from the adjustment mechanism (4) is connected to the The guide rod (8) is slidingly connected, and a water delivery mechanism (6) is fixedly connected to the side of the backwash mechanism (5) away from the flat ultrafiltration membrane (2). 2. An integrated backwash device for an ultrafiltration membrane system according to claim 1, characterized in that: the housing (1) includes a rectangular box (101), and the upper surface of the rectangular box (101) passes through A protective cover (102) is connected with bolts. The inner wall of the rectangular box (101) is evenly and symmetrically provided with an installation groove (103). Both sides of the flat ultrafiltration membrane (2) are located in the installation groove (103). Inside, one side of the rectangular box (101) is fixedly connected with a water inlet pipe (104) penetrating the rectangular box (101), and the other side of the rectangular box (101) is fixedly connected with a water inlet pipe (104) that penetrates the rectangular box (101). (101) Drainage pipe (105) through. 3. An integrated backwash device for an ultrafiltration membrane system according to claim 2, characterized in that: the transmission mechanism (3) includes a motor (301) fixedly connected inside the protective cover (102), A transmission shaft (302) is fixedly connected to the output end of the motor (301), and one end of the transmission shaft (302) away from the motor (301) is rotationally connected to the inner wall of the protective cover (102). A worm (303) is evenly and fixedly connected to the outer wall of the shaft (302), and the outer wall of the worm (303) meshes with the adjustment mechanism (4). 4. An integrated backwash device for an ultrafiltration membrane system according to claim 2, characterized in that: one side of the rectangular box (101) is evenly and fixedly connected with a sewage drain penetrating the rectangular box (101). Pipe (9), a control valve (10) is fixedly connected to the sewage pipe (9). 5. An integrated backwash device for an ultrafiltration membrane system according to claim 3, characterized in that the adjustment mechanism (4) includes a threaded rod (401) rotatably connected to the top of the inner wall of the protective cover (102). ), a worm gear (402) is fixedly connected to the outer wall of the threaded rod (401), and the outer wall of the worm gear (402) meshes with the worm (303). 6. An integrated backwash device for an ultrafiltration membrane system according to claim 5, characterized in that: the backwash mechanism (5) includes a water pipe (501) threadedly connected to the outer wall of the threaded rod (401) ), the side of the water pipe (501) close to the flat ultrafiltration membrane (2) is evenly and fixedly connected with a flushing nozzle (502) that penetrates the water pipe (501). 7. An integrated backwash device for an ultrafiltration membrane system according to claim 6, characterized in that: the water delivery mechanism (6) includes a water delivery pipe (601) fixedly connected inside the protective cover (102) ), the bottom of the water pipe (601) is evenly and fixedly connected with a water hose (602) that penetrates the water pipe (601), and the water hose (602) is away from the water pipe (601) One end of the water pipe (501) is fixedly connected to the water pipe (501), and an end of the water pipe (601) away from the protective cover (102) is fixedly connected to a high-pressure water pump (603).