Ultrafiltration Membrane Sealing Device and Method

Abstract

The present invention relates to the technical field of water purification equipment production, specifically an ultrafiltration membrane sealing device, which includes a base. The upper end surface of the base is fixedly connected with a fixed sleeve. An ultrafiltration membrane assembly is arranged inside the fixed sleeve. A clamping mechanism is arranged between the fixed sleeve and the ultrafiltration membrane assembly. A sealing mechanism is arranged between the base and the fixed sleeve. A cooling mechanism is arranged at the corresponding position of the lower end surface of the base and the sealing mechanism; the clamping mechanism includes a rotating groove opened in the fixed sleeve, and a rotating ring is rotatably connected in the rotating groove. In this application, the ultrafiltration membrane assembly is inserted into the fixed sleeve, and the clamping mechanism is driven by the driving component to fix the ultrafiltration membrane assembly. Then, during the operation of the driving component, the rubber cylinder is also compressed to inject glue into the glue injection cavity to seal the bottom of the ultrafiltration membrane assembly. It can clamp and fix ultrafiltration membrane assemblies with different outer diameters, so as to improve the sealing efficiency and quality.

Description

Technical Field

[0001] The present invention relates to the technical field of water purification equipment production, and particularly to an ultrafiltration membrane sealing glue device and method. Background Technique

[0002] Ultrafiltration membrane modules have the advantages of large membrane area, large water treatment capacity per unit volume, high recovery efficiency, and high-quality treated water, and play an increasingly important role in the fields of water purification treatment, reclaimed water reuse, and sewage treatment. In the production process of ultrafiltration membrane modules, the sealing glue process largely determines the service life of ultrafiltration membrane modules and whether they are prone to filament breakage. For ultrafiltration membrane modules, especially large ultrafiltration membrane modules, the amount of sealing glue applied at one time is large, the reaction rate of the glue is fast, and the heat generation is large, often resulting in the scrapping of ultrafiltration membrane modules due to the explosive polymerization of the glue reaction, leading to a relatively short service life of ultrafiltration membrane modules.

[0003] The Chinese patent with the authorization announcement number CN206391878U specifically discloses an ultrafiltration membrane sealing glue fixture, and during the sealing glue process of the ultrafiltration membrane sealing glue device, temperature control liquid can be introduced into the temperature control flow channel as needed to heat or cool to improve the sealing glue environment. The viscosity of the glue is relatively stable, and the capillary phenomenon between membrane filaments can be better improved, which can improve the service life of ultrafiltration membrane modules;

[0004] During the sealing glue process of this ultrafiltration membrane sealing glue fixture and ultrafiltration membrane sealing glue device, it is impossible to effectively clamp and fix ultrafiltration membrane modules of different sizes, and still requires manual cooperation or the assistance of external tools to complete the glue injection process, which greatly affects the sealing glue quality and efficiency.

[0005] Therefore, an ultrafiltration membrane sealing glue device and method are proposed. Summary of the Invention

[0006] The purpose of the present invention is to solve the deficiencies existing in the prior art, and an ultrafiltration membrane sealing glue device and method are proposed.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] An ultrafiltration membrane sealing glue device, including a base, the upper end surface of the base is fixedly connected with a fixed sleeve, an ultrafiltration membrane module is arranged inside the fixed sleeve, a clamping mechanism is arranged between the fixed sleeve and the ultrafiltration membrane module, a sealing glue mechanism is arranged between the base and the fixed sleeve, and a cooling mechanism is arranged at the corresponding position of the lower end surface of the base and the sealing glue mechanism;

[0009] The clamping mechanism includes a rotating groove opened in a fixed sleeve. A rotating ring is rotatably connected in the rotating groove. A connecting groove is opened in the middle of the fixed sleeve. The connecting groove communicates with the rotating groove and extends into the interior of the sleeve. A clamping member is movably connected in the connecting groove. By driving the rotation of the rotating ring in the rotating groove, the outer part of the ultrafiltration membrane module located in the fixed sleeve is clamped and fixed, assisting the sealant application mechanism to stably apply sealant to the bottom of the ultrafiltration membrane module.

[0010] The sealant application mechanism includes a sealant injection cavity opened on the upper end surface of the base in the fixed sleeve. A pipeline is opened on the upper end surface of the base at a position outside the fixed sleeve. One end of the pipeline communicates with the sealant injection cavity, and the other end of the pipeline extends to the upper end surface of the base. The sealant is injected into the sealant injection cavity through the pipeline to perform the sealant application operation on the bottom of the ultrafiltration membrane module located in the sealant injection cavity.

[0011] Preferably, the clamping member includes a connecting rod located in the connecting groove. One end of the connecting rod is hinged to the rotating ring, and the other end of the connecting rod is hinged and fixed with a clamping plate of an arc structure. A rubber pad is adhesively bonded to the surface of the clamping plate. A first belt is arranged inside the rotating groove. The first belt is sleeved outside the rotating ring, and the right side of the first belt is connected to the transmission assembly.

[0012] Preferably, the transmission assembly includes a double-shaft motor symmetrically distributed on the outside of the fixed sleeve. An upper transmission rod is fixed to the upper end of the double-shaft motor, and a first belt pulley is fixed to the upper end of the upper transmission rod. The right side of the first belt is sleeved on the first belt pulley of the upper transmission rod at the upper end of the right double-shaft motor.

[0013] Preferably, threads are opened on the surface of the upper transmission rods fixed to the upper ends of the double-shaft motors on both sides, and a pressing plate is threadedly connected to the outer surface of the upper transmission rod. The pressing plate is designed in an arc structure. The right pressing plate is located below the first belt pulley. Rubber cylinders are arranged below the pressing plates on the front and rear sides of the motor. The lower end of the rubber cylinder is connected to a pipeline joint.

[0014] Preferably, an annular clamping block is fixedly connected to the upper side of the inner wall of the sealant injection cavity, and the annular clamping block is made of rubber material.

[0015] Preferably, the cooling mechanism includes a cooling chamber opened on the lower end surface of the base. The cooling chamber corresponds to the sealant injection cavity, and a cooling plate is hermetically fixed between the cooling chamber and the sealant injection cavity. A rod body is rotatably connected to the lower end surface of the cooling plate, and a fan blade is fixed to the lower end of the rod body.

[0016] Preferably, a lower transmission rod is fixed to the lower end of the double-shaft motor. A telescopic rod is movably connected to the lower end of the lower transmission rod, and a connecting shaft is fixed to the lower end of the telescopic rod. An electromagnet is fixed between the lower end of the lower transmission rod and the telescopic rod. The telescopic rod is movably connected to the lower transmission rod and cannot be separated.

[0017] Preferably, the lower end of the connecting shaft extends into the cooling bin, and a second pulley is fixed to the lower end of the connecting shaft. The outer part of the rod body is also sleeved with a second pulley, and a second belt is sleeved between the two second pulleys.

[0018] The ultrafiltration membrane sealing method includes the following steps:

[0019] S1. First, insert the ultrafiltration membrane module into the fixed sleeve, and drive the clamping mechanism to fix the ultrafiltration membrane module through the driving component;

[0020] S2. During the operation of the driving component, the rubber cylinder is also compressed to inject glue into the glue injection cavity to seal the bottom of the ultrafiltration membrane module;

[0021] S3. The driving component drives the cooling mechanism to operate to cool the sealant in the glue injection cavity by air cooling, accelerating the drying and cooling of the sealant at the bottom of the ultrafiltration membrane module;

[0022] S4. Reverse the operation of the driving component to release the clamping and fixing of the ultrafiltration membrane module by the clamping mechanism, and reversely insert the other end of the ultrafiltration membrane module to perform the same sealing steps.

[0023] The beneficial effects of the present invention:

[0024] 1. In this application, by inserting the ultrafiltration membrane module into the fixed sleeve and driving the clamping mechanism to fix the ultrafiltration membrane module through the driving component, and then during the operation of the driving component, the rubber cylinder is also compressed to inject glue into the glue injection cavity to seal the bottom of the ultrafiltration membrane module, it is possible to clamp and fix ultrafiltration membrane modules with different outer diameters, so as to improve the sealing efficiency and quality.

[0025] 2. By driving the cooling mechanism to operate by the driving component to cool the sealant in the glue injection cavity by air cooling, accelerating the drying and cooling of the sealant at the bottom of the ultrafiltration membrane module, reversing the operation of the driving component to release the clamping and fixing of the ultrafiltration membrane module by the clamping mechanism, and reversely inserting the other end of the ultrafiltration membrane module to perform the same sealing steps, the air cooling mechanism is used to accelerate the cooling and forming of the sealant, improving the sealing efficiency. Description of the Drawings

[0026] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 is a front view of the overall structure of the present invention;

[0028] Figure 3 is a schematic left-sectional view of the overall structure of the present invention;

[0029] Figure 4 is a schematic diagram of the structure of the clamping mechanism of the present invention;

[0030] Figure 5 is a schematic diagram of the structure of the cooling mechanism of the present invention;

[0031] Figure 6 For the present invention Figure 5 Enlarged schematic view at position A in the present invention;

[0032] Figure 7 For the present invention Figure 5 Enlarged schematic view at position B in the present invention.

[0033] In the figure: 1. Ultrafiltration membrane module; 2. Fixed sleeve; 3. Base; 4. Belt 1; 5. Pulley 1; 6. Biaxial motor; 7. Rubber cylinder; 8. Pressing plate; 9. Upper transmission rod; 10. Rotating ring; 11. Connecting rod; 12. Rotating groove; 13. Pipeline; 14. Cooling plate; 15. Glue injection cavity; 16. Clamping block; 17. Clamping plate; 18. Cooling chamber; 19. Connecting shaft; 20. Telescopic rod; 21. Electromagnet; 22. Lower transmission rod; 23. Rod body; 24. Fan blade; 25. Belt 2; 26. Pulley 2. Detailed implementation manners

[0034] In order to make the invention object, features, and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the embodiments described below are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0035] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation manners.

[0036] Referring to Figures 1-7 , an ultrafiltration membrane sealing device, including a base 3, the upper end surface of the base 3 is fixedly connected with a fixed sleeve 2, an ultrafiltration membrane module 1 is arranged inside the fixed sleeve 2, a clamping mechanism is arranged between the fixed sleeve 2 and the ultrafiltration membrane module 1, a sealing mechanism is arranged between the base 3 and the fixed sleeve 2, and a cooling mechanism is arranged at a position corresponding to the sealing mechanism on the lower end surface of the base 3;

[0037] The clamping mechanism includes a rotating groove 12 opened in the fixed sleeve 2, a rotating ring 10 is rotatably connected in the rotating groove 12, a connecting groove is opened in the middle of the fixed sleeve 2, the connecting groove communicates with the rotating groove 12 and extends to the inside of the sleeve, a clamping member is movably connected in the connecting groove, and by driving the rotation of the rotating ring 10 in the rotating groove 12, the outside of the ultrafiltration membrane module 1 located inside the fixed sleeve 2 is clamped and fixed to assist the sealing mechanism in stably sealing the bottom of the ultrafiltration membrane module 1;

[0038] The sealant mechanism includes a sealant injection cavity 15 formed on the upper end surface of the base 3 inside the fixed sleeve 2. A pipeline 13 is formed on the upper end surface of the base 3 at a position outside the fixed sleeve 2. One end of the pipeline 13 communicates with the sealant injection cavity 15, and the other end of the pipeline 13 extends to the upper end surface of the base 3. By injecting the sealant through the pipeline 13 into the sealant injection cavity, the bottom of the ultrafiltration membrane module 1 located in the sealant injection cavity is sealed. In this application, the ultrafiltration membrane module 1 is inserted into the fixed sleeve 2, and the clamping mechanism is driven by the driving component to fix the ultrafiltration membrane module 1. Then, during the operation of the driving component, the rubber cylinder 7 is also compressed to inject glue into the sealant injection cavity 15 to seal the bottom of the ultrafiltration membrane module 1. It can clamp and fix ultrafiltration membrane modules 1 with different outer diameters, so as to improve the sealant efficiency and quality.

[0039] Specifically, the clamping member includes a connecting rod 11 located in the connecting groove. One end of the connecting rod 11 is hinged to the rotating ring 10, and the other end of the connecting rod 11 is hinged and fixed with a clamping plate 17 of an arc structure. A rubber pad is glued to the surface of the clamping plate 17. A first belt 4 is arranged inside the rotating groove 12. The first belt 4 is sleeved outside the rotating ring 10, and the right side of the first belt 4 is connected to the transmission component. The upper output shaft of the double-shaft motor 6 drives the upper transmission rod 9 to drive the first belt pulley 5 to rotate, and the rotating ring 10 located in the rotating groove 12 is displaced by driving the first belt 4.

[0040] Specifically, the transmission component includes double-shaft motors 6 symmetrically distributed outside the fixed sleeve 2. The upper end of the double-shaft motor 6 is fixed with an upper transmission rod 9, and the upper end of the upper transmission rod 9 is fixed with a first belt pulley 5. The right side of the first belt 4 is sleeved on the first belt pulley 5 of the upper transmission rod 9 at the upper end of the right double-shaft motor 6.

[0041] Specifically, threads are formed on the surface of the upper transmission rods 9 fixed to the upper ends of the two double-shaft motors 6, and a pressing plate 8 is threadedly connected to the outer surface of the upper transmission rod 9. The pressing plate 8 is designed in an arc structure. The right pressing plate 8 is located below the first belt pulley 5. Rubber cylinders 7 are arranged below the pressing plates 8 on the front and rear sides of the motor. The lower end of the rubber cylinder 7 is connected to the joint of the pipeline 13. An annular clamping block 16 is fixedly connected to the upper side of the inner wall of the sealant injection cavity, and the annular clamping block 16 is made of rubber. During the operation of the driving component, the rubber cylinder 7 is also compressed to inject glue into the sealant injection cavity 15 to seal the bottom of the ultrafiltration membrane module 1. During the rotation of the upper transmission rod 9 driven by the double-shaft motor 6, since the pressing plate 8 is threadedly connected to the outer surface of the upper transmission rod 9 and the pressing plate 8 is linearly slidably connected to the outside of the fixed sleeve 2, the pressing plate 8 can move downward directly to squeeze the lower rubber cylinder 7. The glue in the rubber cylinder 7 is then transported through the pipeline 13 to the sealant injection cavity for sealing the bottom of the ultrafiltration membrane module 1.

[0042] Specifically, the cooling mechanism includes a cooling chamber 18 opened on the lower end surface of the base 3. The cooling chamber 18 corresponds to the glue injection chamber 15, and a cooling plate 14 is fixedly sealed between the cooling chamber 18 and the glue injection chamber 15. A rod body 23 is rotatably connected to the lower end surface of the cooling plate 14, and a fan blade 24 is fixed to the lower end of the rod body 23. The pulley two 26 drives the connecting rod and the fan blade 24 to rotate, so as to perform air cooling on the upper cooling plate 14 and the glue on the cooling plate 14, thereby accelerating the rapid forming of the glue in the glue sealing chamber.

[0043] Specifically, a lower transmission rod 22 is fixed to the lower end of the dual-axis motor 6. The lower end of the lower transmission rod 22 is movably connected to a telescopic rod 20, and the lower end of the telescopic rod 20 is fixed to a connecting shaft 19. An electromagnet 21 is fixed between the lower end of the lower transmission rod 22 and the telescopic rod 20. The telescopic rod 20 is movably connected to the lower transmission rod 22 and cannot be separated. The lower end of the connecting shaft 19 extends into the cooling chamber 18, and a pulley two 26 is fixed to the lower end of the connecting shaft 19. The rod body 23 is also sleeved with a pulley two 26 on the outside. A belt two 25 is sleeved between the two pulleys two 26. The driving component drives the cooling mechanism to operate to perform air cooling on the glue sealing in the glue injection chamber 15, and accelerate the drying and cooling of the glue sealing at the bottom of the ultrafiltration membrane module 1. During the operation of the dual-axis motor 6, when the glue injection and glue sealing work is completed, at this time, the user controls the electromagnet 21 to conduct electricity to generate magnetic force to adsorb the telescopic rod 20, so as to fix the lower transmission rod 22, the telescopic rod 20 and the connecting shaft 19. Then the dual-axis motor 6 continues to rotate to drive the lower transmission rod 22 to rotate, and then drives the connecting rod and the fan blade 24 to rotate through the pulley two 26, so as to perform air cooling on the upper cooling plate 14 and the glue on the cooling plate 14, thereby accelerating the rapid forming of the glue in the glue sealing chamber.

[0044] The ultrafiltration membrane glue sealing method includes the following steps:

[0045] S1. First, insert the ultrafiltration membrane module 1 into the fixed sleeve 2. The bottom of the ultrafiltration membrane module 1 is located on the annular inner clamping block 16 in the glue injection chamber 15. At this time, the user inserts the glue cylinder 7 for glue sealing into the interface on the pipeline 13, and then starts the dual-axis motor 6 to operate. The upper output shaft of the dual-axis motor 6 drives the upper transmission rod 9 to drive the pulley one 5 to rotate, and drives the rotating ring 10 located in the rotating groove 12 to displace through the belt one 4. At this time, the connecting rod 11 hinged to the rotating ring 10 in the connecting groove deflects and gradually becomes perpendicular to the rotating ring 10. Due to the change in the angle between the connecting rod 11 and the rotating ring 10, the clamping plate 17 will be displaced to change and fit the outer surface of the ultrafiltration membrane module 1 to clamp and fix the ultrafiltration membrane module 1 located in the fixed sleeve 2;

[0046] S2. During the operation of the driving component, the rubber cylinder 7 is also compressed to inject glue into the glue injection cavity 15 for sealing the bottom of the ultrafiltration membrane module 1. During the rotation of the upper transmission rod 9 driven by the double-shaft motor 6, since the pressure plate 8 is threadedly connected to the outer surface of the upper transmission rod 9 and the pressure plate 8 is linearly slidably connected to the outside of the fixed sleeve 2, the pressure plate 8 can move downward, extruding the lower rubber cylinder 7, and the glue in the rubber cylinder 7 is transported to the sealing cavity through the pipeline 13 for sealing the bottom end of the ultrafiltration membrane module 1;

[0047] S3. The driving component drives the cooling mechanism to operate to cool the sealant in the glue injection cavity 15 by air cooling, accelerating the drying and cooling of the sealant at the bottom of the ultrafiltration membrane module 1. During the operation of the double-shaft motor 6, when the glue injection and sealing work is completed, the user controls the electromagnet 21 to conduct electricity to generate magnetic force to adsorb the telescopic rod 20, fixing the lower transmission rod 22, the telescopic rod 20 and the connecting shaft 19. Then the double-shaft motor 6 continues to rotate to drive the lower transmission rod 22 to rotate, and then drives the connecting rod and the fan blade 24 to rotate through the pulley two 26 to cool the upper cooling plate 14 and the colloid on the cooling plate 14 by air cooling, thereby accelerating the rapid forming of the colloid in the sealing cavity;

[0048] S4. Reverse the operation of the driving component to release the clamping and fixing of the ultrafiltration membrane module 1 by the clamping mechanism, and reversely insert the other end of the ultrafiltration membrane module 1 to perform the same sealing steps.

[0049] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Ultrafiltration membrane sealing device, including a base (3), characterized in that, The upper end surface of the base (3) is fixedly connected with a fixed sleeve (2). An ultrafiltration membrane module (1) is arranged inside the fixed sleeve (2). A clamping mechanism is arranged between the fixed sleeve (2) and the ultrafiltration membrane module (1). A sealing mechanism is arranged between the base (3) and the fixed sleeve (2). A cooling mechanism is arranged at the corresponding position of the lower end surface of the base (3) and the sealing mechanism; The clamping mechanism includes a rotating groove (12) opened in the fixed sleeve (2). A rotating ring (10) is rotatably connected in the rotating groove (12). A connecting groove is opened in the middle of the fixed sleeve (2). The connecting groove communicates with the rotating groove (12) and extends to the inside of the sleeve. A clamping member is movably connected in the connecting groove. By driving the rotation of the rotating ring (10) in the rotating groove (12), the outside of the ultrafiltration membrane module (1) located in the fixed sleeve (2) is clamped and fixed, assisting the sealing mechanism to stably seal the bottom of the ultrafiltration membrane module (1); The sealing mechanism includes a glue injection cavity (15) opened on the upper end surface of the base (3) inside the fixed sleeve (2). A pipeline (13) is opened on the upper end surface of the base (3) at the outer side of the fixed sleeve (2). One end of the pipeline (13) communicates with the glue injection cavity (15), and the other end of the pipeline (13) extends to the upper end surface of the base (3). The bottom of the ultrafiltration membrane module (1) located in the glue injection cavity is sealed by injecting glue through the pipeline (13); The clamping member includes a connecting rod (11) located in the connecting groove. One end of the connecting rod (11) is hinged to the rotating ring (10), and the other end of the connecting rod (11) is hinged and fixed with a clamping plate (17) of an arc structure. A rubber pad is glued on the surface of the clamping plate (17). A first belt (4) is arranged inside the rotating groove (12). The first belt (4) is sleeved outside the rotating ring (10), and the right side of the first belt (4) is connected with a transmission component; The transmission component includes a double-shaft motor (6) symmetrically distributed outside the fixed sleeve (2). An upper transmission rod (9) is fixed to the upper end of the double-shaft motor (6). A first belt pulley (5) is fixed to the upper end of the upper transmission rod (9). The right side of the first belt (4) is sleeved on the first belt pulley (5) of the upper transmission rod (9) at the upper end of the double-shaft motor (6) on the right side; Threads are opened on the surface of the upper transmission rods (9) fixed to the upper ends of the double-shaft motors (6) on both sides. A pressing plate (8) is threadedly connected to the outer surface of the upper transmission rod (9). The pressing plate (8) is designed in an arc structure. The right pressing plate (8) is located below the first belt pulley (5). Rubber cylinders (7) are arranged below the pressing plates (8) on the front and rear sides of the motor. The lower end of the rubber cylinder (7) is connected to the joint of the pipeline (13).

2. The ultrafiltration membrane sealing device according to claim 1, wherein An annular clamping block (16) is fixedly connected to the upper side of the inner wall of the glue injection cavity, and the annular clamping block (16) is made of rubber material.

3. The ultrafiltration membrane sealing device according to claim 2, wherein The cooling mechanism includes a cooling chamber (18) opened on the lower end surface of the base (3). The cooling chamber (18) corresponds to the glue injection chamber (15), and a cooling plate (14) is fixedly sealed between the cooling chamber (18) and the glue injection chamber (15). A rod body (23) is rotatably connected to the lower end surface of the cooling plate (14), and a fan blade (24) is fixed to the lower end of the rod body (23).

4. The ultrafiltration membrane sealing device according to claim 3, wherein, A lower transmission rod (22) is fixed to the lower end of the double-shaft motor (6). The lower end of the lower transmission rod (22) is movably connected to a telescopic rod (20), and a connecting shaft (19) is fixed to the lower end of the telescopic rod (20). An electromagnet (21) is fixed between the lower end of the lower transmission rod (22) and the telescopic rod (20). The telescopic rod (20) is movably connected to the lower transmission rod (22) and cannot be separated.

5. The ultrafiltration membrane sealing device according to claim 4, characterized in that, The lower end of the connecting shaft (19) extends into the cooling chamber (18), and a second pulley (26) is fixed to the lower end of the connecting shaft (19). A second pulley (26) is also sleeved on the outer portion of the rod body (23). A second belt (25) is sleeved between the two second pulleys (26).

6. The method of the ultrafiltration membrane sealing device according to any one of claims 1-5, characterized in that, It includes the following steps: S1. First, insert the ultrafiltration membrane module (1) into the fixed sleeve (2) and drive the clamping mechanism to fix the ultrafiltration membrane module (1) through the driving component; S2. During the operation of the driving component, the glue cylinder (7) is compressed to inject glue into the glue injection chamber (15) to seal the bottom of the ultrafiltration membrane module (1); S3. The driving component drives the cooling mechanism to operate to cool the sealant in the glue injection chamber (15) by air cooling, accelerating the drying and cooling of the sealant at the bottom of the ultrafiltration membrane module (1); S4. Reverse the operation of the driving component to release the clamping and fixing of the ultrafiltration membrane module (1) by the clamping mechanism, and reversely insert the other end of the ultrafiltration membrane module (1) to perform the same sealing step.

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