CN215463301U

CN215463301U - Nanofiltration membrane for water purifier

Info

Publication number: CN215463301U
Application number: CN202122099239.7U
Authority: CN
Inventors: 吴凯; 赵宇辰; 杨弘
Original assignee: Jiangsu Longhua Environmental Technology Co ltd
Current assignee: Jiangsu Longhua Environmental Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-11
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a nanofiltration membrane for a water purifier, which comprises an upper holder and a lower holder: go up the holder and inlay with lower holder and be equipped with a plurality of annular dislocation distribution and be the filter membrane layer that receives of tube-shape, it is provided with the bracing piece just to be located between two adjacent filter membrane layers to go up between holder and the lower holder, be provided with the outlet pipe on the holder down. According to the utility model, the nanofiltration membrane adopts a split type structural design, so that the nanofiltration membrane can be conveniently and rapidly disassembled and assembled, the cleaning and maintenance treatment of the nanofiltration membrane is facilitated, and the structure of the supporting rod is combined, so that the effect of auxiliary support on adjacent nanofiltration membrane layers can be achieved, the phenomenon that the nanofiltration membrane layers collapse or change phase after being subjected to long-time water pressure is avoided, the structural stability of the nanofiltration membrane layers is ensured, and the long-term stable filtering effect of the nanofiltration membrane is further ensured.

Description

Nanofiltration membrane for water purifier

Technical Field

The utility model relates to the technical field of water purifiers, in particular to a nanofiltration membrane for a water purifier.

Background

Nanofiltration is a pressure-driven membrane separation process between reverse osmosis and ultrafiltration, the pore size of the nanofiltration membrane is about several nanometers, and most nanofiltration membranes are derived from reverse osmosis membranes, such as CA, CTA membranes, aramid composite membranes, sulfonated polyethersulfone membranes, and the like.

Chinese patent publication No.: CN210385504U discloses a nanofiltration membrane for water purifiers with fastening connecting pieces, which comprises a shell, wherein the shell is arranged in a cylindrical shape, the top surface of the shell is not arranged in a closed manner, an cover plate is movably connected onto the top surface of the shell, a threaded rod is movably connected onto the center of the cover plate, a vertical rod is movably connected onto the center of the threaded rod, a rotating wheel is fixedly connected onto the top end of the vertical rod, the bottom end of the threaded rod extends into the inner cavity of the shell, a fixed plate is fixedly connected onto the bottom end of the vertical rod, a fixing device is arranged on the side wall of the threaded rod, a nanofiltration membrane is fixedly connected onto the bottom surface of the fixed plate, another fixed plate is fixedly connected onto the bottom surface of the nanofiltration membrane, a guide pipe is fixedly connected onto the center of the fixed plate at the lower side, one end of the guide pipe is inserted into the nanofiltration membrane, and a through hole is arranged on the side wall of the nanofiltration membrane inner cavity, the other end of pipe runs through the bottom surface setting of shell, swing joint sets up between pipe and the shell, the shell inner chamber is close to bottom surface fixedly connected with baffle, baffle and downside fixed plate swing joint set up, fixedly connected with discharging pipe on the baffle, the bottom of discharging pipe runs through the shell bottom surface and extends the shell setting, fixedly connected with sets up between discharging pipe and the shell, fixedly connected with outlet pipe on the bottom surface of shell, fixedly connected with inlet tube on the top surface of apron.

But the structural design of current nanofiltration membrane is integrated relatively, makes its quick nimble dismouting of being not convenient for handle, lacks the measure of consolidating the support to nanofiltration membrane self simultaneously for the phenomenon that the nanofiltration membrane warp takes place easily after receiving water pressure effect for a long time, has reduced the result of use of nanofiltration membrane.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nanofiltration membrane for a water purifier, which can play an auxiliary supporting role on the nanofiltration membrane and prevent the nanofiltration membrane from deforming.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a receive filter membrane that water purifier was used, includes upper clamp and lower clamp:

the upper clamping seat and the lower clamping seat are embedded with a plurality of cylindrical nanofiltration membrane layers which are distributed in an annular staggered manner;

a support rod is arranged between the upper clamping seat and the lower clamping seat and between two adjacent nanofiltration membrane layers;

and a water outlet pipe is arranged on the lower clamping seat.

As a further description of the above technical solution:

the upper clamping seat is provided with an upper clamping ring, the lower clamping seat is provided with a lower clamping ring, and the lower clamping ring and the upper clamping ring are respectively connected with two ends of the nanofiltration membrane layer.

As a further description of the above technical solution:

the upper clamping seat is provided with an upper positioning groove, the lower clamping seat is provided with a lower positioning groove, and the lower positioning groove and the upper positioning groove are respectively connected with two ends of the supporting rod.

As a further description of the above technical solution:

a water outlet is formed in the lower clamping seat, and a connecting pipe is arranged on the water outlet pipe;

the water outlet pipe is connected with the lower clamping seat through the screw thread screwed connection of the connecting pipe and the water outlet.

As a further description of the above technical solution:

and a flexible waterproof ring is arranged on the water outlet pipe and at the bottom of the connecting pipe.

As a further description of the above technical solution:

the device also comprises a flow guide head;

the bottom of the horizontal end of the flow guide head is provided with an assembly head, and the assembly head is assembled and connected with an assembly groove formed in the upper clamping seat;

the top of the flow guide head is of an arc-shaped structure.

As a further description of the above technical solution:

and the outer walls of the openings at the two ends of the nanofiltration membrane layer are provided with mounting rings.

In the technical scheme, the nanofiltration membrane for the water purifier provided by the utility model has the following beneficial effects:

this receive filter membrane adopts split type structural design, is convenient for carry out quick convenient dismouting operation to it to be favorable to receiving the washing maintenance of filter membrane to handle, and combine the structure of bracing piece, can play the effect of auxiliary stay to adjacent filter membrane layer of receiving, avoid receiving the filter membrane layer and take place to collapse or the phenomenon of dephasing after receiving long-time water pressure, ensured the structural stability who receives the filter membrane layer, and then ensured the permanent stable filter effect of receiving the filter membrane.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic structural diagram of a nanofiltration membrane for a water purifier according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a flow guiding head according to an embodiment of the present invention;

FIG. 3 is a schematic top view of an upper clamping seat according to an embodiment of the present invention;

fig. 4 is a schematic bottom view of an upper holder according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a nanofiltration membrane layer provided by an embodiment of the present invention;

FIG. 6 is a schematic top view of a lower clamping seat according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a water outlet pipe provided in the embodiment of the present invention.

Description of reference numerals:

1. a flow guide head; 11. assembling a head; 2. an upper clamping seat; 21. assembling a groove; 22. an upper clamping ring; 23. an upper positioning groove; 3. a support bar; 4. a nanofiltration membrane layer; 41. a mounting ring; 5. a lower clamping seat; 51. a water outlet; 52. a lower clamping ring; 53. a lower positioning groove; 6. a water outlet pipe; 61. a waterproof ring; 62. the tube is connected.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1, a nanofiltration membrane for water purifier comprises an upper holder 2 and a lower holder 5:

the upper clamping seat 2 and the lower clamping seat 5 are embedded with a plurality of cylindrical nanofiltration membrane layers 4 which are distributed in an annular staggered manner;

a support rod 3 is arranged between the upper clamping seat 2 and the lower clamping seat 5 and between two adjacent nanofiltration membrane layers 4;

a water outlet pipe 6 is arranged on the lower clamping seat 5.

In the embodiment, a plurality of nanofiltration membrane layers 4 are sequentially arranged between an upper clamping seat 2 and a lower clamping seat 5 according to the order of the inner diameter from small to large, the support rod 3 is sequentially arranged between two adjacent nanofiltration membrane layers 4 and is connected with the upper holder 2 and the lower holder 5, not only can play a role of integrally fixing the nanofiltration membrane, but also can play a role of auxiliary support for the adjacent nanofiltration membrane layer 4, avoid the phenomenon that the nanofiltration membrane layer 4 collapses or changes phase after being subjected to long-time water pressure, ensure the structural stability of the nanofiltration membrane layer 4, then the nanofiltration membrane is arranged at the working place of the water purifier, so that the drinking water flows inwards through the nanofiltration membrane layer 4 at the outermost side in a filtering way, and finally outwards discharge by outlet pipe 6, the split type structural design of on the other hand is convenient for carry out quick convenient dismouting operation to it to be favorable to the washing maintenance of nanofiltration membrane to handle.

As shown in fig. 4 and 6, the upper clamping base 2 is provided with the upper clamping ring 22, the lower clamping base 5 is provided with the lower clamping ring 52, and the lower clamping ring 52 and the upper clamping ring 22 are respectively connected with the two ends of the nanofiltration membrane layer 4, so that the two ends of the nanofiltration membrane layer 4 can be positioned and connected, and the nanofiltration membrane layers 4 can be sequentially installed and fixed in a staggered manner.

As shown in fig. 4 and 6, the upper positioning groove 23 is arranged on the upper holder 2, the lower positioning groove 53 is arranged on the lower holder 5, and the lower positioning groove 53 and the upper positioning groove 23 are respectively connected with two ends of the supporting rod 3, so that the supporting rod 3 can fix the upper holder 2 and the lower holder 5, and the auxiliary supporting and reinforcing effect is achieved on the nanofiltration membrane layer 4.

As shown in fig. 6 and 7, the lower holder 5 is provided with a water outlet 51, the water outlet pipe 6 is provided with an engaging pipe 62, the water outlet pipe 6 is connected with the lower holder 5 by screwing the engaging pipe 62 with the water outlet 51, the water outlet pipe 6 can be stably connected with the lower holder 5, and the flexibility of the dismounting operation of the lower holder and the lower holder is improved.

As shown in fig. 7, a flexible waterproof ring 61 is disposed on the water outlet pipe 6 and at the bottom of the connection pipe 62, so that after the connection pipe 62 is connected, the connection between the water outlet pipe 6 and the lower holder 5 is protected by the waterproof ring 61, and water leakage is prevented.

As shown in fig. 1-3, still include water conservancy diversion head 1, the horizontal end bottom of water conservancy diversion head 1 is provided with assembly head 11, and assembly groove 21 assembled joint of seting up on assembly head 11 and the last holder 2, and the top of water conservancy diversion head 1 is the arc structure, reduces the impact strength of drinking water to water conservancy diversion head 1 to improve the stability of nanofiltration membrane work user state.

As shown in fig. 5, the both ends opening part outer wall on receive filter membrane layer 4 all is provided with collar 41, can be when receiving filter membrane layer 4 and imbed last constant head tank 23 and constant head tank 53 inside down, play the effect of spacing support to the state of its junction to improve the stability of receiving filter membrane layer 4 both ends connected state.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a nanofiltration membrane that water purifier was used, includes holder (2) and lower holder (5), its characterized in that:

the upper clamping seat (2) and the lower clamping seat (5) are embedded with a plurality of cylindrical nanofiltration membrane layers (4) which are distributed in an annular staggered manner;

a support rod (3) is arranged between the upper clamping seat (2) and the lower clamping seat (5) and between two adjacent nanofiltration membrane layers (4);

and a water outlet pipe (6) is arranged on the lower clamping seat (5).

2. The nanofiltration membrane for a water purifier according to claim 1, wherein: the upper clamping seat (2) is provided with an upper clamping ring (22), the lower clamping seat (5) is provided with a lower clamping ring (52), and the lower clamping ring (52) and the upper clamping ring (22) are respectively connected with two ends of the nanofiltration membrane layer (4).

3. The nanofiltration membrane for a water purifier according to claim 1, wherein: the upper clamping seat (2) is provided with an upper positioning groove (23), the lower clamping seat (5) is provided with a lower positioning groove (53), and the lower positioning groove (53) and the upper positioning groove (23) are respectively connected with two ends of the supporting rod (3).

4. The nanofiltration membrane for a water purifier according to claim 1, wherein: a water outlet (51) is arranged on the lower clamping seat (5), and a connecting pipe (62) is arranged on the water outlet pipe (6);

the water outlet pipe (6) is connected with the lower clamping seat (5) through the screw thread screwed connection of the connecting pipe (62) and the water outlet (51).

5. The nanofiltration membrane for a water purifier according to claim 1, wherein: and a flexible waterproof ring (61) is arranged on the water outlet pipe (6) and positioned at the bottom of the connecting pipe (62).

6. The nanofiltration membrane for a water purifier according to claim 1, wherein: the device also comprises a flow guide head (1);

an assembly head (11) is arranged at the bottom of the horizontal end of the flow guide head (1), and the assembly head (11) is assembled and connected with an assembly groove (21) formed in the upper clamping seat (2);

the top of the flow guide head (1) is of an arc-shaped structure.

7. The nanofiltration membrane for a water purifier according to claim 1, wherein: and the outer walls of openings at two ends of the nanofiltration membrane layer (4) are provided with mounting rings (41).