CN210332295U

CN210332295U - Reverse Osmosis (RO) membrane filter element

Info

Publication number: CN210332295U
Application number: CN201920641752.4U
Authority: CN
Inventors: 管在飞
Original assignee: Yangzhou Sanyang Technology Co ltd
Current assignee: Yangzhou Sanyang Technology Co ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-04-17
Anticipated expiration: 2029-05-07

Abstract

The utility model belongs to the technical field of filter elements, in particular to a Reverse Osmosis (RO) membrane filter element, which comprises a filter element body, wherein the filter element body comprises a water outlet pipe, an RO filter membrane is arranged on the outer surface of the water outlet pipe, a first PP cotton filter membrane is sleeved outside the RO filter membrane, a second PP cotton filter membrane is sleeved outside the first PP cotton filter membrane, a third PP cotton filter membrane is sleeved outside the second PP cotton filter membrane, and a rubber support ring is arranged between the first PP cotton filter membrane and the second PP cotton filter membrane; through installing the cotton filter membrane of RO at the outlet pipe outside, the cotton filter membrane of first PP, the cotton filter membrane of second PP and the cotton filter membrane of third PP for liquid loops through the cotton filter membrane of third PP, the cotton filter membrane of second PP, the cotton filter membrane of first PP and the inside that the RO filter membrane enters into the outlet pipe, make liquid carry out multistage filtration through the cotton filter membrane of third PP, the cotton filter membrane of second PP, the cotton filter membrane of first PP and RO filter membrane, it carries out filterable stability to have increased liquid through the filter core body.

Description

Reverse Osmosis (RO) membrane filter element

Technical Field

The utility model belongs to the technical field of the filter core, concretely relates to reverse osmosis RO membrane filter core.

Background

RO chinese means reverse osmosis. The water flows from low concentration to high concentration, and the water flows from high concentration to low concentration after being pressurized, namely the principle of reverse osmosis, the pore diameter of the RO membrane is one ten million of hair, so that bacteria and viruses can not be seen by naked eyes and are 5000 times of the bacteria and viruses, therefore, only water molecules and partial mineral ions can pass through, and other impurities and heavy metals are discharged by a waste water pipe. All seawater desalination processes and spaceman wastewater recovery treatment are adopted, so the RO membrane is also called as an external high-tech artificial kidney. At present, domestic and abroad, the civilian field of medical science for military use all adopt the top RO membrane to carry out the polymer and filter, and traditional RO membrane filter core is when using, because impurity is too much in the liquid, causes the RO membrane surface easily and piles up, has reduced the velocity of flow that liquid passed the RO membrane, reduces the filterable rate of filter core, has reduced filter core life's problem.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a reverse osmosis RO membrane filter core has multistage filtration, avoids impurity to pile up on RO membrane surface, has prolonged filter core life's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: reverse osmosis RO membrane filter core, including the filter core body, the filter core body includes the outlet pipe, the surface mounting of outlet pipe has the RO filter membrane, the cotton filter membrane of first PP has been cup jointed to the outside of RO filter membrane, the cotton filter membrane of second PP has been cup jointed to the outside of the cotton filter membrane of first PP, the cotton filter membrane of third PP has been cup jointed to the outside of the cotton filter membrane of second PP, install the rubber support ring between the cotton filter membrane of first PP and the cotton filter membrane of second PP, the through-hole has been seted up on the surface of rubber support ring, the rubber lantern ring has been cup jointed to the surface of the cotton filter membrane lower extreme of third PP, the rubber holding ring has been cup jointed to the surface of outlet pipe lower extreme, just the rubber lantern ring is located the outside of rubber holding ring, RO filter membrane, the cotton filter membrane of first PP, the cotton filter membrane of.

As a preferred technical scheme of the utility model, the internal surface integrated into one piece of the rubber lantern ring has the draw-in groove, the fixture block has been seted up to the surface of outlet pipe, the inside at the draw-in groove is installed to the rubber holding ring.

As an optimized technical scheme of the utility model, the rubber lantern ring is hollow annular structure with the rubber holding ring.

As an optimal technical scheme of the utility model, equidistant distribution of rubber support ring between the cotton filter membrane of first PP and the cotton filter membrane of second PP has seven, equidistant the seting up on the surface of rubber support ring of through-hole.

As an optimized technical scheme of the utility model, it has the active carbon to fill between second PP cotton filter membrane and the cotton filter membrane of third PP.

As an optimized technical scheme of the utility model, the hole of permeating water has been seted up on the surface of outlet pipe.

As an optimal technical scheme of the utility model, the aperture of RO filter membrane is 0.0001 micron, the aperture of the cotton filter membrane of first PP is 0.1 micron, the aperture of the cotton filter membrane of second PP is 1 micron, the aperture of the cotton filter membrane of third PP is 5 microns.

Compared with the prior art, the beneficial effects of the utility model are that: the liquid enters the inside of the water outlet pipe through the third PP cotton filter membrane, the second PP cotton filter membrane, the first PP cotton filter membrane and the RO filter membrane in sequence by the RO filter membrane, the first PP cotton filter membrane and the third PP cotton filter membrane which are arranged outside the water outlet pipe, so that the liquid is subjected to multistage filtration through the third PP cotton filter membrane, the second PP cotton filter membrane, the first PP cotton filter membrane and the RO filter membrane, the stability of the liquid in filtration through the filter element body is improved, meanwhile, the RO filter membrane, the first PP cotton filter membrane, the second PP cotton filter membrane and the third PP cotton filter membrane are fixed outside the filter element body through the rubber sleeve ring and the rubber positioning ring, the rubber positioning ring is attached to the surface of the lower end of the water outlet pipe at the moment, the rubber positioning ring is fixed on the outer surface of the water outlet pipe through the clamping block and the clamping groove, the rubber positioning ring is arranged inside the clamping, the rubber lantern ring cup joints the surface at the cotton filter membrane lower extreme of third PP, and the rubber lantern ring is located the outside of rubber holding ring simultaneously for the lower extreme of the cotton filter membrane of RO filter membrane, the cotton filter membrane of first PP, the cotton filter membrane of second PP and the cotton filter membrane of third PP fixes the surface at the outlet pipe, avoids having the clearance between outlet pipe, RO filter membrane, the cotton filter membrane of first PP, the cotton filter membrane of second PP and the cotton filter membrane of third PP, has increased the filter core body and has carried out filterable security to liquid.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of a part of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic perspective view of a rubber support ring according to the present invention;

in the figure: 1. a filter element body; 2. a water outlet pipe; 3. an RO filter membrane; 4. a first PP cotton filter membrane; 5. a second PP cotton filter membrane; 6. a third PP cotton filter membrane; 7. activated carbon; 8. a rubber support ring; 9. a through hole; 10. water permeable holes; 11. a rubber collar; 12. a rubber positioning ring; 13. a clamping block; 14. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: reverse osmosis RO membrane filter core, including filter core body 1, filter core body 1 includes outlet pipe 2, the surface mounting of outlet pipe 2 has RO filter membrane 3, first PP cotton filter membrane 4 has been cup jointed to RO filter membrane 3's outside, second PP cotton filter membrane 5 has been cup jointed to first PP cotton filter membrane 4's outside, third PP cotton filter membrane 6 has been cup jointed to second PP cotton filter membrane 5's outside, install rubber support ring 8 between first PP cotton filter membrane 4 and the second PP cotton filter membrane 5, through-hole 9 has been seted up on rubber support ring 8's surface, the surface of third PP cotton filter membrane 6 lower extreme has cup jointed rubber lantern ring 11, rubber holding ring 12 has been cup jointed to the surface of outlet pipe 2 lower extreme, and rubber lantern ring 11 is located the outside of rubber holding ring 12, RO filter membrane 3 between rubber lantern ring 11 and the rubber holding ring 12, first PP cotton filter membrane 4, second PP cotton filter membrane 5 and the cotton filter membrane 6 mutual contact of.

In the embodiment, liquid passes through the third PP cotton filter membrane 6, the second PP cotton filter membrane 5, the first PP cotton filter membrane 4 and the RO filter membrane 3 to enter the interior of the water outlet pipe 2 through the RO filter membrane 3, the first PP cotton filter membrane 5, the second PP cotton filter membrane 4 and the third PP cotton filter membrane 6 which are arranged outside the water outlet pipe 2 in sequence, so that the liquid passes through the third PP cotton filter membrane 6, the second PP cotton filter membrane 5, the first PP cotton filter membrane 4 and the RO filter membrane 3 to be subjected to multistage filtration, the filtration stability of the liquid through the filter element body 1 is improved, meanwhile, the RO filter membrane 3, the first PP cotton filter membrane 4, the second PP cotton filter membrane 5 and the third PP cotton filter membrane 6 are fixed outside the filter element body 1 through the rubber collar 11 and the rubber positioning ring 12, at the moment, the rubber positioning ring 12 is attached to the surface at the lower end of the water outlet pipe 2, the rubber collar 11 is sleeved on the surface at the lower end of the third PP cotton filter, the lower ends of the RO filter membrane 3, the first PP cotton filter membrane 4, the second PP cotton filter membrane 5 and the third PP cotton filter membrane 6 are fixed on the outer surface of the water outlet pipe 2, gaps among the water outlet pipe 2, the RO filter membrane 3, the first PP cotton filter membrane 4, the second PP cotton filter membrane 5 and the third PP cotton filter membrane 6 are avoided, and the safety of filtering liquid by the filter element body 1 is improved.

Specifically, the inner surface of the rubber sleeve ring 11 is integrally formed with a clamping groove 14, the outer surface of the water outlet pipe 2 is provided with a clamping block 13, and the rubber positioning ring 12 is installed inside the clamping groove 14.

In this embodiment, the rubber positioning ring 12 is fixed on the outer surface of the water outlet pipe 2 through the fixture block 13 and the fixture groove 14, and meanwhile, the rubber positioning ring 12 is installed inside the fixture block 13, so that the firmness that the rubber positioning ring 12 is fixed on the outer surface of the water outlet pipe 2 is increased.

Specifically, the rubber collar 11 and the rubber positioning ring 12 are both hollow ring structures.

In this embodiment, through the rubber lantern ring 11 and the rubber positioning ring 12 that are hollow ring structure, the stability of laminating each other between RO filter membrane 3, the cotton filter membrane 4 of first PP, the cotton filter membrane 5 of second PP and the cotton filter membrane 6 of third PP has been increased.

Specifically, seven rubber support rings 8 are arranged between the first PP cotton filter membrane 4 and the second PP cotton filter membrane 5 at equal intervals, and the through holes 9 are arranged on the surface of the rubber support ring 8 at equal intervals.

In this embodiment, the rubber support ring 8 is equally spaced between the first PP cotton filter membrane 4 and the second PP cotton filter membrane 5, and the through holes 9 are equally spaced on the surface of the rubber support ring 8, so that the fluidity between the first PP cotton filter membrane 4 and the second PP cotton filter membrane 5 is increased.

Specifically, activated carbon 7 is filled between the second PP cotton filter membrane 5 and the third PP cotton filter membrane 6.

In the embodiment, the activated carbon 7 is filled between the second PP cotton filter membrane 5 and the third PP cotton filter membrane 6, so that the peculiar smell in the liquid is absorbed after the liquid passes through the activated carbon 7.

Specifically, the surface of the water outlet pipe 2 is provided with water permeable holes 10.

In this embodiment, the water permeable holes 10 are formed on the surface of the water outlet pipe 2, so that the filtered liquid can enter the water outlet pipe 2 conveniently.

Specifically, the pore diameter of the RO filter membrane 3 is 0.0001 micron, the pore diameter of the first PP cotton filter membrane 4 is 0.1 micron, the pore diameter of the second PP cotton filter membrane 5 is 1 micron, and the pore diameter of the third PP cotton filter membrane 6 is 5 microns.

In this embodiment, the pore diameter of the RO filter membrane 3 is 0.0001 micron, the pore diameter of the first PP cotton filter membrane 4 is 0.1 micron, the pore diameter of the second PP cotton filter membrane 5 is 1 micron, and the pore diameter of the third PP cotton filter membrane 6 is 5 microns, so that the stability of the multistage filtration of the liquid is increased.

The utility model discloses a theory of operation and use flow: during installation, the RO filter membrane 3 is sleeved outside the water outlet pipe 2, the rubber positioning ring 12 is installed at one end, close to the RO filter membrane 3, of the water outlet pipe 2, meanwhile, a clamping block 13 integrally formed on the inner surface of the rubber positioning ring 12 is installed inside a clamping groove 14, the first PP cotton filter membrane 4 is sleeved outside the RO filter membrane 3 and the rubber positioning ring 12, the rubber supporting ring 8 is sleeved outside the first PP cotton filter membrane 4 at equal intervals, the second PP cotton filter membrane 5 is sleeved outside the first PP cotton filter membrane 4, meanwhile, the inner surface of the second PP cotton filter membrane 5 is in contact with the outer surface of the rubber supporting ring 8, the third PP cotton filter membrane 6 is sleeved outside the second PP cotton filter membrane 5, meanwhile, activated carbon 7 is filled between the second PP cotton filter membrane 5 and the third PP cotton filter membrane 6, the rubber sleeve ring 11 is sleeved outside the lower end of the third PP cotton filter membrane 6, at the moment, the RO filter membrane 3, the first PP cotton filter membrane 4, the second PP cotton filter membrane 5 and the third PP, during filtering, liquid sequentially passes through the third PP cotton filter membrane 6, the second PP cotton filter membrane 5, the first PP cotton filter membrane 4 and the RO filter membrane 3 and enters the water outlet pipe 2 from the water permeable holes 10.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Reverse osmosis RO membrane filter core, including filter core body (1), its characterized in that: the filter element body (1) comprises a water outlet pipe (2), the outer surface of the water outlet pipe (2) is provided with an RO filter membrane (3), a first PP cotton filter membrane (4) is sleeved outside the RO filter membrane (3), a second PP cotton filter membrane (5) is sleeved outside the first PP cotton filter membrane (4), a third PP cotton filter membrane (6) is sleeved outside the second PP cotton filter membrane (5), a rubber support ring (8) is installed between the first PP cotton filter membrane (4) and the second PP cotton filter membrane (5), a through hole (9) is formed in the surface of the rubber support ring (8), a rubber lantern ring (11) is sleeved on the outer surface of the lower end of the third PP cotton filter membrane (6), a rubber positioning ring (12) is sleeved on the outer surface of the lower end of the water outlet pipe (2), the rubber lantern ring (11) is located outside the rubber positioning ring (12), the RO filter membrane (3) between the rubber lantern ring (11) and the rubber positioning ring (12), The first PP cotton filter membrane (4), the second PP cotton filter membrane (5) and the third PP cotton filter membrane (6) are in mutual contact.

2. A reverse osmosis RO membrane cartridge according to claim 1 wherein: a clamping groove (14) is formed in the inner surface of the rubber sleeve ring (11) in an integrated mode, a clamping block (13) is arranged on the outer surface of the water outlet pipe (2), and the rubber positioning ring (12) is installed inside the clamping groove (14).

3. A reverse osmosis RO membrane cartridge according to claim 1 wherein: the rubber lantern ring (11) and the rubber positioning ring (12) are both hollow annular structures.

4. A reverse osmosis RO membrane cartridge according to claim 1 wherein: seven rubber support rings (8) are arranged between the first PP cotton filter membrane (4) and the second PP cotton filter membrane (5) at equal intervals, and the through holes (9) are arranged on the surface of the rubber support rings (8) at equal intervals.

5. A reverse osmosis RO membrane cartridge according to claim 1 wherein: and activated carbon (7) is filled between the second PP cotton filter membrane (5) and the third PP cotton filter membrane (6).

6. A reverse osmosis RO membrane cartridge according to claim 1 wherein: the surface of the water outlet pipe (2) is provided with water permeable holes (10).

7. A reverse osmosis RO membrane cartridge according to claim 1 wherein: the pore diameter of the RO filter membrane (3) is 0.0001 micron, the pore diameter of the first PP cotton filter membrane (4) is 0.1 micron, the pore diameter of the second PP cotton filter membrane (5) is 1 micron, and the pore diameter of the third PP cotton filter membrane (6) is 5 microns.