CN217042087U

CN217042087U - Nanofiltration membrane water filtration system

Info

Publication number: CN217042087U
Application number: CN202220750036.1U
Authority: CN
Inventors: 郑周华; 袁少伟
Original assignee: Guangdong Osbo Film Material Technology Co ltd
Current assignee: Guangdong Osbo Film Material Technology Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-26
Anticipated expiration: 2032-04-02

Abstract

The utility model belongs to receive filter membrane filtration field, specific nanofiltration membrane water filtration system that says so, including the filter tube, the filter tube includes feed liquor end, dislysate exit end and concentrate exit end, the dislysate exit end is located permeate liquid stem tip, be provided with the through-hole on the permeate liquid stem outer wall, and permeate liquid stem is provided with the filtration membrane filter layer that receives that the multilayer annular distributes in the through-hole outside. The liquid inlet end through at the filter tube is provided with the guide plate that the annular distributes, the guide plate adopts the filterable mode of cross-flow to enter into the filter tube, receive filter membrane filter layer and filter membrane net and filter the filtrate respectively, because it is less than filter membrane net aperture to receive filter membrane filter layer aperture, partial liquid can directly pass through and receive the filter membrane filter layer, the rethread through-hole enters into the permeate liquid stem, filter membrane net can carry out prefilter to filtering the cavity to filter to partly liquid and permeate to receiving in the filter membrane filter layer again, improve the filtrate purifying effect, use cost reduces.

Description

Nanofiltration membrane water filtration system

Technical Field

The utility model relates to a receive filter membrane filtration field, specifically be a receive filter membrane water filtration system.

Background

Nanofiltration membrane: the pore diameter is above 1nm, generally 1-2 nm. Is a functional semi-permeable membrane that allows the permeation of solvent molecules or certain low molecular weight solutes or low valent ions. It is a particular and promising type of separation membrane, which is named for the ability to retain materials of about nanometer size. Is used for removing organic matters and chromaticity of surface water, removing hardness of underground water, partially removing soluble salt, concentrating fruit juice, separating useful substances in medicines, and the like.

The water purifier adopting ultrafiltration or microfiltration cannot effectively remove ions and organic matters due to the large aperture of the filter element of the water purifier, so that the water purifier hardly reaches the non-toxic and aseptic standard of civil domestic water, and particularly, the water purifier adopting the above filtration mode needs frequent replacement of the filter element, thereby increasing the use cost of users.

Therefore, a nanofiltration membrane water filtration system is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the deficiency of the prior art, the water purifier of solving the filtration mode needs frequent renew cartridge, has increased user's use cost's problem, the utility model provides a nanofiltration membrane water filtration system.

The utility model provides a technical scheme that its technical problem adopted is: a nanofiltration membrane water filtration system, including the filter tube, the filter tube includes feed liquor end, dislysate exit end and concentrate exit end, the filter tube middle part is provided with the liquid core post that sees through, the dislysate exit end is located the liquid core post tip that sees through, be provided with the through-hole on the liquid core post outer wall that sees through, and see through the liquid core post and be provided with the filtration membrane filter layer that receives that the multilayer annular distributes in the through-hole outside.

Preferably, receive the filter layer of filter membrane and be the symmetric distribution with the vertical symmetric center line of penetrating liquid core post, receive the filter layer of filter membrane and set up to the ring shape, receive the filter layer of filter membrane and can improve the filter effect, increase liquid area of contact, the filter effect is better.

Preferably, the filter tube is provided with the filter membrane net between permeating liquid stem and receiving filter membrane filter layer, filter membrane net one side is provided with the filtration cavity, and the filtration cavity can carry out preliminary purification to liquid, improves liquid purification circulation rate.

Preferably, filter membrane net and receive filter membrane filter layer mutually perpendicular, filter membrane net is located the distance of keeping away from the permeate liquid stem and is two-thirds for receiving filter membrane filter layer length, is convenient for make filter membrane net play the primary filter effect to the filtrate, receives filter membrane filter layer secondary filter and improves the filter effect, need not frequently to change the filter.

Preferably, receive filter membrane filter layer aperture and be less than filter membrane net aperture, be favorable to improving filter effect, the filtrating liquor flows through the membrane surface, and liquid and micro molecule material pass through the membrane body under the effect of pressure, and insoluble material and macromolecular material are held back, are convenient for follow-up washing once more and take away, prevent to block up.

Preferably, the filter pipe is provided with a guide plate at the liquid inlet end, and the guide plate is provided with a rotating shaft, so that a cross flow filtering mode can be performed on the filter liquid, and the blockage phenomenon in the dead-end filtering process is avoided.

Preferably, the guide plate is arranged in a cyclone shape, so that the cross-flow filtering effect of the filtrate can be improved.

Preferably, the number of the guide plates is 5-6, and the guide plates are distributed in the filter pipe in an annular manner, so that the filtering quality of the whole structure is improved.

Preferably, the electric control valves are installed at the liquid inlet end, the dialysate outlet end and the concentrated solution outlet end, so that the filtering efficiency of the filtering liquid system can be stably adjusted.

The utility model discloses an useful part lies in:

the utility model discloses a feed liquor end at the filter tube is provided with the guide plate that the annular distributes, the guide plate adopts the filterable mode of cross-flow to enter into the filter tube, receive the filter membrane filter layer and filter the membrane net and filter the filtrate respectively, because it is less than filter membrane net aperture to receive filter membrane filter layer aperture, partial liquid can be directly through receiving the filter membrane filter layer, the rethread through-hole enters into in the transmission liquid stem, filter membrane net can carry out prefilter to filter the cavity to filter partially to receive the membrane filter layer again, improve the filtrate purifying effect, use cost reduces.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the embodiment;

fig. 2 is a schematic view of an embodiment baffle distribution structure;

fig. 3 is a schematic diagram of a via distribution structure according to an embodiment.

In the figure: 1. a filter tube; 2. a liquid inlet end; 3. a dialysate outlet port; 4. a concentrate outlet end; 5. a liquid permeable wick; 6. a through hole; 7. a nanofiltration membrane filter layer; 8. filtering the membrane net; 9. a baffle; 10. a rotating shaft; 11. and a filtering cavity.

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 of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-3, a nanofiltration membrane water filtration system comprises a filtration tube 1, wherein the filtration tube 1 comprises a liquid inlet end 2, a dialysate outlet end 3 and a concentrated liquid outlet end 4, a liquid core column 5 is arranged in the middle of the filtration tube 1, the dialysate outlet end 3 is located at the end of the liquid core column 5, a through hole 6 is arranged on the outer wall of the liquid core column 5, and a plurality of layers of nanofiltration membrane filter layers 7 distributed annularly are arranged outside the through hole 6 through the liquid core column 5.

In this embodiment, receive filter membrane filter layer 7 and be the symmetric distribution with the vertical symmetric center line of penetrating liquid stem 5, receive filter membrane filter layer 7 and set up to the ring shape, receive filter membrane filter layer 7 and can improve the filter effect, increase liquid area of contact, the filter effect is better.

In this embodiment, filter tube 1 is provided with filter membrane net 8 between permeating through liquid stem 5 and receiving filter membrane filter layer 7, and filter membrane net 8 one side is provided with and filters cavity 11, and filter cavity 11 can carry out preliminary purification to liquid, improves liquid purification circulation rate.

In this embodiment, filter membrane net 8 and receive filter membrane filter layer 7 mutually perpendicular, filter membrane net 8 is located the distance of keeping away from permeate liquid stem 5 and is two-thirds for receiving filter membrane filter layer 7 length, is convenient for make filter membrane net 8 play the primary filter effect to the filtrate, receives filter membrane filter layer 7 and filters once more and improves the filter effect, need not frequently to change the filter.

In this embodiment, receive 7 apertures of filter membrane filter layers of filter membrane and be less than 8 apertures of filter membrane net, be favorable to improving the filter effect, the filtrate flows through the membrane surface, and liquid and micromolecule substance pass through the film body under the effect of pressure, and insoluble material and macromolecular substance are held back, and the follow-up washing away once more of being convenient for is taken away, prevents to block up.

In this embodiment, the filter tube 1 is provided with the guide plate 9 at the liquid inlet end 2, and the guide plate 9 is provided with the rotation axis 10, so that a cross flow filtration mode can be performed on the filtrate, and the blockage phenomenon generated in the filtration process can be avoided.

In this embodiment, the guide plate 9 is set to be in a swirling flow shape, so that the cross-flow filtering effect of the filtrate can be improved.

In this embodiment, the number of the guide plates 9 is 5-6, and the guide plates 9 are distributed in the filter pipe 1 in an annular shape, so that the filtering quality of the whole structure is improved.

In this embodiment, automatically controlled valve is all installed to feed liquor end 2, dislysate exit end 3 and concentrate exit end 4, and the filtration efficiency is stably adjusted to the filtrate system of being convenient for.

To sum up, this nanofiltration membrane water filtration system, inlet end 2 through at filter tube 1 is provided with the guide plate 9 that the annular distributes, guide plate 9 adopts the filterable mode of cross-flow to enter into filter tube 1, receive filter membrane filter layer 7 and filter membrane net 8 and filter the filtrate respectively, because it is less than filter membrane net 8 aperture to receive filter membrane filter layer 7 aperture, partial liquid can be directly through receiving filter membrane filter layer 7, rethread through-hole 6 enters into in permeating liquid stem 5, filter membrane net 8 can carry out the primary filtration to partial liquid and permeate to filter cavity 11 again to receiving in the filter layer 7, improve filtrate purifying effect, use cost reduces.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. A nanofiltration membrane water filtration system, comprising a filtration tube (1), characterized in that: filter tube (1) is including feed liquor end (2), dislysate exit end (3) and concentrate exit end (4), filter tube (1) middle part is provided with permeate liquid stem (5), dislysate exit end (3) are located permeate liquid stem (5) tip, be provided with through-hole (6) on permeate liquid stem (5) outer wall, and permeate liquid stem (5) and be provided with the nano filter membrane filter layer (7) that the multilayer annular distributes in through-hole (6) outside.

2. The nanofiltration membrane water filtration system according to claim 1, wherein: the nanofiltration membrane filter layer (7) is symmetrically distributed by using a longitudinal symmetrical center line of the liquid penetrating core column (5), and the nanofiltration membrane filter layer (7) is arranged in a ring shape.

3. The nanofiltration membrane water filtration system of claim 1, wherein: the filter tube (1) is provided with a filter membrane net (8) between the liquid permeating core column (5) and the nanofiltration membrane filter layer (7), and one side of the filter membrane net (8) is provided with a filter cavity (11).

4. The nanofiltration membrane water filtration system according to claim 3, wherein: filter membrane net (8) and receive filter layer (7) mutually perpendicular, filter membrane net (8) are located the distance of keeping away from permeate liquid stem (5) and are two-thirds of receive filter layer (7) length.

5. The nanofiltration membrane water filtration system according to claim 4, wherein: the aperture of the nanofiltration membrane filtering layer (7) is smaller than that of the filtering membrane net (8).

6. The nanofiltration membrane water filtration system according to claim 1, wherein: the filter tube (1) is provided with a guide plate (9) at the liquid inlet end (2), and the guide plate (9) is provided with a rotating shaft (10).

7. The nanofiltration membrane water filtration system according to claim 6, wherein: the guide plate (9) is arranged in a cyclone shape.

8. The nanofiltration membrane water filtration system of claim 7, wherein: the number of the guide plates (9) is 5-6, and the guide plates (9) are distributed in the filter pipe (1) in an annular shape.

9. The nanofiltration membrane water filtration system of claim 1, wherein: and electric control valves are arranged at the liquid inlet end (2), the dialysate outlet end (3) and the concentrated solution outlet end (4).