CN222293710U

CN222293710U - Ultrafiltration reverse osmosis membrane group structure

Info

Publication number: CN222293710U
Application number: CN202420991851.6U
Authority: CN
Inventors: 苏立克; 王克迪; 邱景; 孙加奎; 许治文; 张洋
Original assignee: Qingdao Wosai Environmental Protection Technology Co ltd
Current assignee: Qingdao Wosai Biological Environment Technology Co.,Ltd.
Priority date: 2024-05-09
Filing date: 2024-05-09
Publication date: 2025-01-03
Anticipated expiration: 2034-05-09

Abstract

The utility model discloses an ultrafiltration reverse osmosis membrane group structure, which belongs to the technical field of water treatment. The utility model comprises a cylinder, an end cover and a filter assembly, wherein the filter assembly comprises PP cotton, an ultrafiltration membrane and a reverse osmosis membrane, both ends of the PP cotton, the ultrafiltration membrane and the reverse osmosis membrane are clamped in an annular groove, and the PP cotton, the ultrafiltration membrane and the reverse osmosis membrane are arranged in sequence from the inside to the outside, locking grooves are provided on both sides of the end cover, grooves are provided on both sides of the through opening, a spring is fixedly connected to the inner wall of the groove, and a locking block is fixedly connected to one end of the spring; by arranging the filter assembly, raw water is filtered multiple times through the PP cotton, the ultrafiltration membrane and the reverse osmosis membrane in sequence, and before the water enters the reverse osmosis membrane for filtration, the PP cotton and the ultrafiltration membrane can filter out larger particles of impurities in the water, so that the impurities attached to the surface of the reverse osmosis membrane are reduced, the replacement cycle of the reverse osmosis membrane can be extended, the replacement frequency of the reverse osmosis membrane can be reduced, and thus the replacement cost can be reduced.

Description

Ultrafiltration reverse osmosis membrane group structure

Technical Field

The utility model belongs to the technical field of water treatment, and particularly relates to an ultrafiltration reverse osmosis membrane group structure.

Background

The reverse osmosis membrane is an artificial semipermeable membrane with certain characteristics, which is made of a simulated biological semipermeable membrane, and is a core component of the reverse osmosis technology. The principle of reverse osmosis is that under the action of the osmotic pressure higher than that of solution, other substances can not permeate through the semipermeable membrane, so that the substances and water are separated. The pore size of the reverse osmosis membrane is very small, so that dissolved salts, colloids, microorganisms, organic matters and the like in water can be effectively removed. The system has the advantages of good water quality, low energy consumption, no pollution, simple process, simple and convenient operation and the like.

In the prior art, the reverse osmosis membrane is mainly used as a filter element, and a large amount of impurities in water can be filtered due to the extremely high filtering precision of the reverse osmosis membrane, so that a large amount of impurities are adhered to the surface of the reverse osmosis membrane after the reverse osmosis membrane is used for a period of time, the reverse osmosis membrane needs to be replaced regularly, and the reverse osmosis membrane is relatively expensive, so that the replacement cost is relatively high.

Disclosure of utility model

The utility model aims to provide an ultrafiltration reverse osmosis membrane group structure so as to solve the problems in the background art.

The ultrafiltration reverse osmosis membrane group structure comprises a barrel, an end cover and a filter assembly, wherein one end of the barrel is provided with a through hole, the end cover is arranged in the through hole, the center of the end cover is provided with a water inlet, the filter assembly is arranged in the barrel, a fixing frame is fixedly connected in the barrel, three annular grooves are formed in one sides, close to each other, of the fixing frame and the end cover, the filter assembly comprises PP cotton, an ultrafiltration membrane and a reverse osmosis membrane, two ends of the PP cotton, the ultrafiltration membrane and the reverse osmosis membrane are clamped in the annular grooves, the PP cotton, the ultrafiltration membrane and the reverse osmosis membrane are sequentially arranged from inside to outside, and one end, far away from the end cover, of the barrel is provided with a water outlet;

The locking groove is all seted up to the both sides of end cover, the recess is all seted up to the both sides of opening, the inner wall fixedly connected with spring of recess, the one end fixedly connected with locking piece of spring, the guiding hole of slope arrangement is seted up to the inside of locking piece, the inside sliding connection of guiding hole has the guide bar, the both ends fixedly connected with connecting rod of guide bar, the one end fixedly connected with movable block of connecting rod.

As a preferred embodiment, the water inlet and the water outlet are provided with connecting threads inside.

As a preferred embodiment, the end of the locking block facing away from the spring is provided with a bevel, which faces in the direction of the opening of the through opening.

As a preferred implementation mode, the inner wall of the groove is provided with a limit groove, the side wall of the movable block is fixedly connected with a limit block, and the limit block slides in the limit groove.

As a preferred implementation mode, the inner wall of the through hole is fixedly connected with a sealing ring, and the sealing ring is a rubber ring.

As a preferable implementation mode, the center of the fixing frame is fixedly connected with a concentrated water pipe, and the outlet end of the concentrated water pipe extends to the outer side of the cylinder.

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

According to the ultrafiltration reverse osmosis membrane group structure, raw water enters the cylinder body from the water inlet through the filter assembly, and is subjected to repeated filtration sequentially through the PP cotton, the ultrafiltration membrane and the reverse osmosis membrane, and before water enters the reverse osmosis membrane for filtration, the PP cotton and the ultrafiltration membrane can filter out impurities with larger particles in the water, so that the impurities attached to the surface of the reverse osmosis membrane are reduced, the replacement period of the reverse osmosis membrane can be prolonged, the replacement frequency of the reverse osmosis membrane is reduced, and the replacement cost can be reduced;

This ultrafiltration reverse osmosis membrane group structure, through locking groove, spring, locking piece, guiding hole, guide bar, connecting rod and movable block's cooperation, when maintaining filter element, only need press the movable block, make the connecting rod drive the guide bar and slide in the guiding hole, make the locking piece remove from the locking groove under the effect of guiding hole, can open the end cover, convenient filter element's maintenance.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic structural view of the fixing frame of the present utility model;

fig. 4 is an enlarged view of the structure of fig. 2 a according to the present utility model.

The device comprises a cylinder, a2, an end cover, a3, a filter assembly, a 31, PP cotton, a 32, an ultrafiltration membrane, a 33, a reverse osmosis membrane, a4, a through hole, a5, a water inlet, a 6, a fixing frame, a 7, an annular groove, a 8, a water outlet, a 9, a locking groove, a 10, a locking block, a 11, a spring, a 12, a locking block, a 13, a guide hole, a 14, a guide rod, a 15, a connecting rod, a 16, a movable block, a 17, a connecting thread, a 18, a limit groove, a 19, a sealing ring, a 20 and a concentrate pipe.

Detailed Description

The utility model is further described below with reference to examples.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-4, the utility model provides an ultrafiltration reverse osmosis membrane group structure, which comprises a barrel 1, an end cover 2 and a filter component 3, wherein one end of the barrel 1 is provided with a through hole 4, the end cover 2 is installed in the through hole 4, the center of the end cover 2 is provided with a water inlet 5, the filter component 3 is arranged in the barrel 1, a fixing frame 6 is fixedly connected in the barrel 1, three annular grooves 7 are formed in one side, close to each other, of the fixing frame 6 and the end cover 2, of the filter component 3 comprises PP cotton 31, an ultrafiltration membrane 32 and a reverse osmosis membrane 33, two ends of the PP cotton 31, the ultrafiltration membrane 32 and the reverse osmosis membrane 33 are clamped in the annular grooves 7, the PP cotton 31, the ultrafiltration membrane 32 and the reverse osmosis membrane 33 are sequentially arranged from inside to outside, one end, far away from the end of the end cover 2, of the barrel 1 is provided with a water outlet 8, raw water enters the barrel 1 from the water inlet 5, and is sequentially filtered through the PP cotton 31, the ultrafiltration membrane 32 and the reverse osmosis membrane 33 for multiple times, and the reverse osmosis membrane 33, and the PP cotton 31 and the ultrafiltration membrane 32 can filter impurities with larger particles in water before the water enters the reverse osmosis membrane 33 for filtration, so that the reverse osmosis membrane 33 can filter impurities, the impurities adhered to the surface of the reverse osmosis membrane 33 can be reduced, the reverse osmosis membrane 33, the replacement cycle can be prolonged, and the replacement frequency of the reverse osmosis membrane 33 can be reduced, and the replacement cost can be lowered.

Furthermore, the water inlet 5 and the water outlet 8 are respectively provided with a connecting thread 17, and the cylinder 1 can be connected with a water conveying pipeline through the connecting threads 17.

Further, the center of the fixing frame 6 is fixedly connected with a water concentrate pipe 20, the outlet end of the water concentrate pipe 20 extends to the outer side of the cylinder body 1, and the water concentrate pipe 20 is arranged to discharge the filtered water concentrate.

Referring to fig. 2 and 3, the locking groove 9 is all seted up on both sides of end cover 2, recess 10 has all been seted up to the both sides of opening 4, the inner wall fixedly connected with spring 11 of recess 10, the one end fixedly connected with locking piece 12 of spring 11, the one end that the locking piece 12 kept away from spring 11 is equipped with the inclined plane, the inclined plane is towards the opening direction of opening 4, the guiding hole 13 of slope arrangement has been seted up to the inside of locking piece 12, the inside sliding connection of guiding hole 13 has guide bar 14, the both ends fixedly connected with connecting rod 15 of guide bar 14, the one end fixedly connected with movable block 16 of connecting rod 15, through the cooperation of locking groove 9, spring 11, locking piece 12, guiding hole 13, guide bar 14, connecting rod 15 and movable block 16, when maintaining filter assembly 3, only need press movable block 16, make connecting rod 15 drive guiding bar 14 slide in guiding hole 13, make locking piece 12 shift out from locking groove 9 under the effect of guiding hole 13, can open end cover 2, the maintenance of filter assembly 3 is convenient.

Further, the inner wall of the groove 10 is provided with a limit groove 18, the side wall of the movable block 16 is fixedly connected with a limit block, the limit block slides in the limit groove 18, and the limit groove 18 is arranged to limit the movable block 16, so that the movable block 16 is prevented from being ejected from the groove 10.

Further, the inner wall fixedly connected with sealing washer 19 of opening 4, sealing washer 19 is the rubber circle, through setting up sealing washer 19, can improve the sealed effect of end cover 2.

The utility model has the working principle and the use flow that raw water enters the cylinder 1 from the water inlet 5 and is filtered for a plurality of times through the PP cotton 31, the ultrafiltration membrane 32 and the reverse osmosis membrane 33 in sequence, filtered water is discharged from the water outlet 8, and before the water enters the reverse osmosis membrane 33 for filtration, the PP cotton 31 and the ultrafiltration membrane 32 can filter out impurities with larger particles in the water, so that the impurities attached to the surface of the reverse osmosis membrane 33 are reduced, the replacement period of the reverse osmosis membrane 33 can be prolonged, the replacement frequency of the reverse osmosis membrane 33 is reduced, and the replacement cost can be reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ultrafiltration reverse osmosis membrane group structure, comprising a cylinder (1), an end cover (2) and a filter assembly (3), characterized in that: one end of the cylinder (1) is provided with a through port (4), the end cover (2) is installed in the through port (4), the center of the end cover (2) is provided with a water inlet (5), the filter assembly (3) is arranged in the cylinder (1), a fixing frame (6) is fixedly connected in the cylinder (1), and the fixing frame (6) and the end cover (2) are close to each other Three annular grooves (7) are provided on one side, the filter assembly (3) comprises PP cotton (31), an ultrafiltration membrane (32) and a reverse osmosis membrane (33), both ends of the PP cotton (31), the ultrafiltration membrane (32) and the reverse osmosis membrane (33) are clamped in the annular groove (7), and the PP cotton (31), the ultrafiltration membrane (32) and the reverse osmosis membrane (33) are arranged in sequence from the inside to the outside, and a water outlet (8) is provided at one end of the cylinder (1) away from the end cover (2);

The end cover (2) is provided with locking grooves (9) on both sides, the through opening (4) is provided with grooves (10), the inner wall of the groove (10) is fixedly connected with a spring (11), one end of the spring (11) is fixedly connected with a locking block (12), the locking block (12) is provided with an inclined guide hole (13) inside, the guide hole (13) is slidably connected with a guide rod (14), both ends of the guide rod (14) are fixedly connected with connecting rods (15), and one end of the connecting rod (15) is fixedly connected with a movable block (16).

2. An ultrafiltration reverse osmosis membrane group structure according to claim 1, characterized in that: the inside of the water inlet (5) and the water outlet (8) are both provided with connecting threads (17).

3. An ultrafiltration reverse osmosis membrane group structure according to claim 1, characterized in that: an end of the locking block (12) away from the spring (11) is provided with an inclined surface, and the inclined surface faces the opening direction of the through port (4).

4. An ultrafiltration reverse osmosis membrane group structure according to claim 1, characterized in that: a limit groove (18) is opened on the inner wall of the groove (10), and the side wall of the movable block (16) is fixedly connected to the limit block, and the limit block slides in the limit groove (18).

5. An ultrafiltration reverse osmosis membrane group structure according to claim 1, characterized in that a sealing ring (19) is fixedly connected to the inner wall of the through port (4), and the sealing ring (19) is a rubber ring.

6. An ultrafiltration reverse osmosis membrane group structure according to claim 1, characterized in that a concentrated water pipe (20) is fixedly connected to the center of the fixed frame (6), and the outlet end of the concentrated water pipe (20) extends to the outside of the cylinder (1).