Off-line membrane repairing device for seawater desalination ultrafiltration membrane

Abstract

The utility model belongs to the technical field of seawater desalination ultrafiltration membrane repairing devices, and particularly relates to a seawater desalination ultrafiltration membrane offline repairing device which comprises a supporting frame, supporting plates, supporting tables, an ultrafiltration membrane main body, a water outlet pipe and a water inlet pipe, the supporting plates are welded to the inner side of the supporting frame, and the supporting tables are welded to the two sides of the supporting frame. Ultrafiltration membrane main bodies are mounted at the top of the supporting table, the tops of the two ultrafiltration membrane main bodies are jointly connected with a water outlet pipe through pipelines, and the bottom ends of the two ultrafiltration membrane main bodies are jointly connected with a water inlet pipe through pipelines; the connecting base is welded to the outer side of the supporting table, a connecting shaft is connected to the interior of the connecting base, a rotating block is rotationally connected to the outer side of the connecting shaft, a limiting block is connected to the top end of the rotating block, an arc-shaped rubber pad adheres to the inner side of the limiting block, and an inserting block is connected to the bottom, away from the rotating block, of the limiting block. According to the utility model, the membrane repairing operation on the ultrafiltration membrane main body is quickly realized, so that the membrane repairing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to seawater desalination ultrafiltration membrane supplementing membrane device technical field, specifically is a kind of seawater desalination ultrafiltration membrane offline supplementing membrane device. BACKGROUND

[0002] In the seawater desalination process, ultrafiltration membrane technology is used as an important pretreatment method to remove suspended solids, colloids, bacteria and other impurities in seawater to protect the subsequent desalination system such as reverse osmosis from pollution, but the high-pollution water will make the ultrafiltration membrane gas cleaning frequency high, intensity, and prone to breakage, thereby making the water quality worse, unable to meet the use requirements of subsequent reverse osmosis membrane, and requiring membrane supplementing operation.

[0003] And the existing supplementing membrane mode needs to be operated after shutdown, and the ultrafiltration membrane needs to be disassembled; the disassembled ultrafiltration membrane is prone to sliding when placed on a plane for supplementing membrane, thereby affecting the supplementing membrane efficiency. SUMMARY

[0004] The utility model aims at providing a kind of seawater desalination ultrafiltration membrane offline supplementing membrane device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of seawater desalination ultrafiltration membrane offline supplementing membrane device, including support frame, support plate, support table, ultrafiltration membrane main body, outlet pipe and inlet pipe, the inner side of the support frame is welded with support plate, the both sides of the support frame are welded with support table, the top of the support table is installed with ultrafiltration membrane main body, the top of two ultrafiltration membrane main bodies is connected with outlet pipe by pipeline, and the bottom of two ultrafiltration membrane main bodies is connected with inlet pipe by pipeline;It also includes connecting seat, the connecting seat is welded on the outer side of the support table, the inside of the connecting seat is connected with connecting shaft, the outer side of the connecting shaft is rotatably connected with rotary block, the top of the rotary block is connected with limit block, the inner side of the limit block is bonded with arc rubber pad, the bottom of the limit block away from rotary block is connected with plug-in block, the inside of the connecting seat close to plug-in block is screw-threadedly connected with screw knob, and the inner side of the connecting seat is provided with arc recess.

[0006] Preferably, the inside of the plug-in block is provided with a docking groove, the top of the connecting seat close to the plug-in block is provided with a plug-in groove, and the screw knob and the plug-in block form a plug-in structure.

[0007] Preferably, the size of the arc recess matches the size of the outer side of the ultrafiltration membrane main body.

[0008] Preferably, the top of the support table is provided with a drain hole, and the bottom of the support table is provided with a through hole.

[0009] Preferably, the inner side of the support table is provided with a collecting box, the bottom of the collecting box is connected with a drain pipe, and the inner wall of the collecting box is respectively connected with a support rod and a connecting column.

[0010] Preferably, the inside of the collecting box is provided with a filter box, and the inside of the filter box is provided with a filter screen.

[0011] Preferably, the inside of the filter box is provided with a positioning groove matched with the size of the connecting column.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. When the utility model is used, the limiting block moves to drive the rotating block and the plug-in block to move, the rotating block rotates through the connecting shaft, when the rotating block rotates to the maximum angle, the plug-in block is plugged into the plug-in groove, the limiting block is pressed towards the direction of the ultrafiltration membrane main body, the arc-shaped rubber pad is deformed, the threaded knob is tightened at this time, the end portion is threaded to slide into the inside of the plug-in block, the inside of the plug-in block is extruded and fixed, the plug-in block and the limiting block are not easy to loosen, so that the ultrafiltration membrane main body is not easy to slide, at this time, the leak stop needle and the glue can be used to carry out the membrane repair operation on the inside of the ultrafiltration membrane main body, after the membrane repair is completed, the installation can be carried out, the membrane repair operation can be quickly carried out through the fixing of the ultrafiltration membrane main body, and the membrane repair efficiency is improved.

[0014] 2. The bottom of the support table is usually connected with a drain groove, and the sewage can be conveniently discharged, after the ultrafiltration membrane main body is disassembled, the sewage in the inside of the ultrafiltration membrane main body directly flows into the drain groove, and the drain groove is easy to be blocked after a long time, the filter box is placed into the inside of the collecting box, when the filter box drops to the specified position, the connecting column can penetrate the filter box through the positioning groove, at this time, the bottom of the filter screen in the inside of the filter box falls on the top end of the support rod, the sewage in the inside of the ultrafiltration membrane main body enters the filter box in the inside of the collecting box through the drain hole, the particles in the sewage are filtered through the filter screen, and the filtered water is discharged into the drain groove through the drain pipe, so that the particles in the sewage prevent the drain groove from being blocked; when the filter screen needs to be cleaned, the filter screen can be taken out from the inside of the collecting box to clean the particles on the surface of the filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1It is the front view structural schematic drawing of the utility model.

[0017] Figure 2 It is the front view sectional structure schematic drawing of the utility model connecting seat.

[0018] Figure 3 It is the front view sectional structure schematic drawing of the utility model collecting box.

[0019] Figure 4 It is the front view sectional structure schematic drawing of the utility model Figure 3 It is the enlarged structure schematic drawing of A place in the utility model.

[0020] In the drawing: 1, support frame; 2, support plate; 3, support table; 4, ultrafiltration membrane main body; 5, water outlet pipe; 6, water inlet pipe; 7, connecting seat; 8, connecting shaft; 9, rotating block; 10, limiting block; 11, arc rubber pad; 12, plug-in block; 13, screw knob; 14, arc recess; 15, drain hole; 16, through hole; 17, collecting box; 18, drain pipe; 19, support rod; 20, connecting column; 21, filter box; 22, filter screen; 23, positioning groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figure 1 and Figure 2The utility model provides a kind of technical scheme: a kind of seawater desalination ultrafiltration membrane offline film replacement device, including support frame 1, support plate 2, support table 3, ultrafiltration membrane main body 4, outlet pipe 5 and inlet pipe 6, support plate 2 is welded in the inside of support frame 1, support table 3 is welded in the both sides of support frame 1, the top of support table 3 is equipped with ultrafiltration membrane main body 4, the top of two ultrafiltration membrane main body 4 is connected with outlet pipe 5 by pipeline, and the bottom of two ultrafiltration membrane main body 4 is connected with inlet pipe 6 by pipeline;It further includes connecting seat 7, connecting seat 7 is welded in the outside of support table 3, connecting shaft 8 is connected in the inside of connecting seat 7, rotating block 9 is rotatably connected in the outside of connecting shaft 8, the top of rotating block 9 is connected with limit block 10, arc rubber pad 11 is bonded in the inside of limit block 10, and the bottom of limit block 10 away from rotating block 9 is connected with plug-in block 12, threaded knob 13 is screw-connected in the inside of connecting seat 7 close to plug-in block 12, arc recess 14 is set in the inside of connecting seat 7, and the inside of plug-in block 12 is set with docking groove, and the top of connecting seat 7 close to the plug-in block 12 is set with plug-in groove, and threaded knob 13 and plug-in block 12 form plug-in structure between, and the size of arc recess 14 is matched with the outside size of ultrafiltration membrane main body 4.

[0023] When the ultrafiltration membrane main body 4 is disassembled, the ultrafiltration membrane main body 4 can be placed in the inside of the arc recess 14 on the inside of the connecting seat 7, and the limit block 10 is pulled towards the threaded knob 13, when the limit block 10 moves, the rotating block 9 and the plug-in block 12 are moved, when the rotating block 9 moves, it rotates through the connecting shaft 8, when the rotating block 9 rotates to the maximum angle, the plug-in block 12 is inserted into the plug-in groove, and the arc rubber pad 11 on the inside of the limit block 10 is moved to the upper surface of the ultrafiltration membrane main body 4, the limit block 10 is pressed towards the ultrafiltration membrane main body 4, the arc rubber pad 11 is deformed, the threaded knob 13 is tightened, the end of the threaded knob 13 is screwed into the inside of the plug-in block 12, the inside of the plug-in block 12 is extruded and fixed, the plug-in block 12 and the limit block 10 are not easy to loosen, the ultrafiltration membrane main body 4 is fixed and limited, the ultrafiltration membrane main body 4 is not easy to slide, and the inside of the ultrafiltration membrane main body 4 can be repaired using the leak stopper and the glue.

[0024] Referring to Figure 1 And Figure 2 After the film replacement is completed, the ultrafiltration membrane main body 4 can be fixed, the film replacement operation can be quickly performed, and the film replacement efficiency is improved.

[0025] Referring to Figures 1 to 3It can be known that the top of the support table 3 is provided with a drainage hole 15, the bottom of the support table 3 is provided with a through hole 16, the inner side of the support table 3 is provided with a collecting box 17, the bottom of the collecting box 17 is connected with a drain pipe 18, the inner wall of the collecting box 17 is respectively connected with a supporting rod 19 and a connecting column 20, the inside of the collecting box 17 is provided with a filter box 21, the inside of the filter box 21 is installed with a filter screen 22, the inside of the filter box 21 is penetrated with a positioning slot 23 matched with the size of the connecting column 20, and the material of the drain pipe 18 is stainless steel.

[0026] In specific implementation, the bottom of the support table 3 is usually connected with a drainage groove (not shown in the figure), so as to facilitate the discharge of sewage. After the ultrafiltration membrane body 4 is disassembled, the sewage in the ultrafiltration membrane body 4 can directly flow into the drainage groove, which can easily cause the drainage groove to be blocked. The filter box 21 is placed in the inside of the collecting box 17, the positioning slot 23 on the filter box 21 is aligned with the connecting column 20 and slowly placed down, when the filter box 21 is lowered to the specified position, the connecting column 20 can penetrate the filter box 21 through the positioning slot 23, at this time, the bottom of the filter screen 22 in the filter box 21 can fall on the top end of the supporting rod 19, so that the filter box 21 and the filter screen 22 can be installed on the inner side of the support table 3. When the ultrafiltration membrane body 4 is disassembled, the sewage in the ultrafiltration membrane body 4 can enter the filter box 21 in the inside of the collecting box 17 through the drainage hole 15, the particulate impurities in the sewage can be filtered through the filter screen 22, and the filtered water can be discharged into the drainage groove through the drain pipe 18, so as to prevent the particulate impurities in the sewage from causing the drainage groove to be blocked.

[0027] Referring to Figures 1 to 3 It can be known that when the particulate impurities on the surface of the filter screen 22 are more, the filter box 21 can be taken out from the inside of the collecting box 17 to clean the particulate impurities on the surface of the filter screen 22.

[0028] In summary, when the ultrafiltration membrane body 4 is disassembled, the ultrafiltration membrane body 4 can be placed in the inside of the arc-shaped groove 14 on the inner side of the connecting seat 7, and the limiting block 10 can be pulled towards the direction close to the threaded knob 13, so that the rotating block 9 and the plug-in block 12 can be moved. After the membrane is repaired, the ultrafiltration membrane body 4 can be installed. The ultrafiltration membrane body 4 can be fixed to realize rapid membrane repair operation and improve the membrane repair efficiency. When the filter screen 22 needs to be cleaned, the filter box 21 can be taken out from the inside of the collecting box 17 to clean the particulate impurities on the surface of the filter screen 22. The sewage discharged from the ultrafiltration membrane body 4 is filtered to prevent the particulate impurities in the sewage from causing the drainage groove to be blocked. The contents not described in detail in the description belong to the existing technology known to the professional technical personnel in the field.

[0029] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. Off-line membrane replacement device for seawater desalination ultrafiltration membrane, comprising support frame (1), support plate (2), support table (3), ultrafiltration membrane body (4), outlet pipe (5) and inlet pipe (6), characterized in that: the inner side of the support frame (1) is welded with the support plate (2), the both sides of the support frame (1) are welded with the support table (3), the top of the support table (3) is installed with the ultrafiltration membrane body (4), the top of two ultrafiltration membrane bodies (4) is connected with outlet pipe (5) through pipeline, the bottom of two ultrafiltration membrane bodies (4) is connected with inlet pipe (6) through pipeline; it further comprises connecting seat (7), the connecting seat (7) is welded on the outer side of the support table (3), the inside of the connecting seat (7) is connected with connecting shaft (8), the outer side of the connecting shaft (8) is rotatably connected with rotating block (9), the top end of the rotating block (9) is connected with limiting block (10), the inner side of the limiting block (10) is bonded with arc rubber pad (11), the bottom of the limiting block (10) away from the rotating block (9) is connected with plug-in block (12), the inside of the connecting seat (7) close to the plug-in block (12) is threadedly connected with screw knob (13), the inner side of the connecting seat (7) is provided with arc groove (14).

2. The off-line membrane replenishing device for seawater desalination ultrafiltration membrane according to claim 1, characterized in that: The inside of the plug-in block (12) is provided with butt joint groove, the top of the connecting seat (7) close to the plug-in block (12) is provided with plug-in groove, the screw knob (13) and the plug-in block (12) constitute plug-in structure.

3. The off-line membrane replenishing device for seawater desalination ultrafiltration membrane according to claim 1, characterized in that: The size of the arc groove (14) matches the size of the outer side of the ultrafiltration membrane body (4).

4. The off-line membrane replenishing device for seawater desalination ultrafiltration membrane according to claim 1, characterized in that: The top of the support table (3) is provided with drain hole (15), the bottom of the support table (3) is provided with through hole (16).

5. The off-line membrane replenishing device for seawater desalination ultrafiltration membrane according to claim 1, characterized in that: The inner side of the support table (3) is provided with collecting box (17), the bottom of the collecting box (17) is connected with drain pipe (18), the inner wall of the collecting box (17) is respectively connected with support rod (19) and connecting column (20).

6. The off-line membrane replenishing device for seawater desalination ultrafiltration membrane according to claim 5, characterized in that: The inside of the collecting box (17) is provided with filter box (21), the inside of the filter box (21) is installed with filter screen (22).

7. The off-line membrane replenishing device for seawater desalination ultrafiltration membrane according to claim 6, characterized in that: The inside of the filter box (21) is provided with positioning groove (23) which matches the size of the connecting column (20).

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