CN217627851U

CN217627851U - Sewage treatment's nanofiltration device

Info

Publication number: CN217627851U
Application number: CN202221446337.1U
Authority: CN
Inventors: 秦重阳; 李小龙; 张正芳; 王生芹
Original assignee: Xiangshui Huaqing Sewage Treatment Co ltd
Current assignee: Xiangshui Huaqing Sewage Treatment Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-10-21
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a sewage treatment's nanofiltration device, including shell and filter core, filter core swing joint is in the shell, shell bottom fixedly connected with outlet pipe, shell upper end joint has the end cover, fixedly connected with inlet tube on the end cover, is provided with clean mechanism between shell inside wall and the filter core, and the filter core includes inner core pipe, receives filter membrane and filter screen, receives the filter membrane wiring in the inner core outside of tubes, and the filter screen wiring is in the filter membrane outside of receiving, and inner core pipe lower extreme aligns with the outlet pipe, the beneficial effects of the utility model are that: the filter screen is additionally arranged on the periphery of the nanofiltration membrane, so that the nanofiltration membrane can be prevented from being blocked by large foreign matters, the water flow of the water inlet pipe is utilized to push the rotating sleeve to rotate, the hairbrush is used for cleaning impurities adsorbed on the surface of the filter screen, and finally the service life of the nanofiltration membrane can be prolonged.

Description

Sewage treatment's nanofiltration device

Technical Field

The utility model relates to a nanofiltration device technical field specifically is a sewage treatment's nanofiltration device.

Background

The nanofiltration device is a sewage treatment device, and is used for filtering sewage by using a nanofiltration membrane, wherein the nanofiltration membrane is a functional semipermeable membrane which allows solvent molecules or certain low molecular weight solutes or low-valent ions to permeate.

However, in the actual operation process, directly carry out sewage with the nanofiltration membrane and filter, can make the great impurity in the sewage block up the nanofiltration membrane, influence the normal filtration of nanofiltration membrane to do not carry out clear structure to the filter core surface in nanofiltration device, lead to piling up the unable effective removal of impurity on the filter core surface, shortened the life of filter core.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment's nanofiltration device to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a nanofiltration device for sewage treatment comprises a shell and a filter element, wherein the filter element is movably connected in the shell, the bottom of the shell is fixedly connected with a water outlet pipe, the upper end of the shell is clamped with an end cover, the end cover is fixedly connected with a water inlet pipe, and a cleaning mechanism is arranged between the inner side wall of the shell and the filter element;

the filter core includes inner core pipe, receives filter membrane and filter screen, receive the filter membrane wire-wrap and connect in the inner core outside of tubes, the filter screen wire-wrap is in receiving the filter membrane outside, inner core pipe lower extreme aligns with the outlet pipe.

Preferably, clean mechanism includes delivery port and rotation cover, it rotates to connect at the shell inside wall to rotate the cover, the delivery port is evenly seted up and is located the shell in the inlet tube one end lateral wall.

Preferably, a group of impeller plates are fixedly connected to the inner side wall of the rotating sleeve at a position corresponding to the water outlet, and a brush plate is fixedly connected to the inner side wall of the rotating sleeve at a position corresponding to the filter screen.

Preferably, a limiting sleeve is fixedly connected in the shell, and the filter element is movably inserted in the limiting sleeve.

Preferably, the side wall of the lower end of the shell is fixedly connected with a drain pipe, and the drain pipe is fixedly connected with a control valve.

Compared with the prior art, the beneficial effects of the utility model are that: the filter screen is additionally arranged on the periphery of the nanofiltration membrane, so that the nanofiltration membrane can be prevented from being blocked by large foreign matters, the water flow of the water inlet pipe is utilized to push the rotating sleeve to rotate, the hairbrush is used for cleaning impurities adsorbed on the surface of the filter screen, and finally the service life of the nanofiltration membrane can be prolonged.

Drawings

FIG. 1 is a front sectional structure diagram of the present invention;

FIG. 2 is a schematic view of the top-down cutting structure of the housing of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic view of the front appearance structure of the present invention.

In the figure: 1. a housing; 2. a filter element; 21. an inner core tube; 22. filtering with a screen; 23. a nanofiltration membrane; 3. a water outlet pipe; 4. an end cap; 5. a water inlet pipe; 6. a limiting sleeve; 7. a cleaning mechanism; 71. a water outlet; 72. rotating the sleeve; 73. an impeller plate; 74. a brush plate; 8. a blow-off pipe; 9. and (4) controlling the valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a sewage treatment's nanofiltration device, including shell 1 and

filter core

2, 2 swing joint of filter core are in

shell

1, 1 bottom fixedly connected with outlet pipe 3 of shell, 1 upper end joint of shell has end cover 4, fixedly connected with inlet tube 5 on the end cover 4, be provided with clean mechanism 7 between 1 inside wall of shell and the filter core 2, state filter core 2 and include inner core pipe 21, receive filter membrane 23 and filter screen 22, receive filter membrane 23 around connecing in the inner core pipe 21 outside, filter screen 22 around connecing is in receiving the filter membrane 23 outside, 21 lower extreme of inner core pipe aligns with outlet tube 3, fixedly connected with stop collar 6 in

shell

1, 2 activities of filter core are pegged graft in 1 lower extreme lateral wall fixedly connected with blow off pipe 8 of 6 shells in the stop collar, fixedly connected with control valve 9 on the blow off pipe 8.

Clean mechanism 7 includes delivery port 71 and rotation cover 72, it connects at the shell 1 inside wall to rotate cover 72, delivery port 71 is evenly seted up and is located the shell 1 one end lateral wall at inlet tube 5, it just rotates cover 72 inside wall and a set of impeller board 73 with delivery port 71 corresponding position fixedly connected with, it just rotates cover 72 inside wall and with filter screen 22 corresponding position fixedly connected with brush board 74 to rotate, sewage passes through delivery port 71 and gets into in the shell 1, can promote impeller board 73 to rotate, thereby it rotates cover 72 to drive, finally can make brush board 74 at the 1 internal rotation of shell, the realization is to the self-cleaning on nanofiltration membrane 22 surface.

Specifically, use the utility model discloses the time, outside sewage can be through the inlet tube 5 get into in the shell 1, and utilize and receive the prefilter back of filter membrane 22, filter through filter screen 23 again, finally make the clean water after filtering get into in the inner core pipe 21, and discharge from outlet pipe 3, at this in-process, sewage passes through delivery port 71 and gets into in the shell 1, can promote impeller plate 73 and rotate, thereby it rotates to drive rotation cover 72, finally can make brush plate 74 at the 1 internal rotation of shell, realize the self-cleaning to receiving filter membrane 22 surface, when stopping sewage and filtering, can utilize control valve 9 to open blow off pipe 8, thereby the thing spot is discharged from blow off pipe 8, avoid receiving the accumulations of a large amount of impurity in filter membrane 22 surface.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. A nanofiltration device for sewage treatment is characterized by comprising a shell (1) and a filter element (2), wherein the filter element (2) is movably connected in the shell (1), the bottom of the shell (1) is fixedly connected with a water outlet pipe (3), the upper end of the shell (1) is clamped with an end cover (4), the end cover (4) is fixedly connected with a water inlet pipe (5), and a cleaning mechanism (7) is arranged between the inner side wall of the shell (1) and the filter element (2);

filter core (2) are including inner core pipe (21), nanofiltration membrane (23) and filter screen (22), nanofiltration membrane (23) are around connecing in the inner core pipe (21) outside, filter screen (22) are around connecing in nanofiltration membrane (23) outside, inner core pipe (21) lower extreme aligns with outlet pipe (3).

2. The nanofiltration device of claim 1, wherein: clean mechanism (7) include delivery port (71) and rotate cover (72), it rotates to connect in shell (1) inside wall to rotate cover (72), delivery port (71) are evenly seted up and are located shell (1) one end lateral wall in inlet tube (5).

3. A nanofiltration device for wastewater treatment according to claim 2, wherein: rotate cover (72) inside wall and with delivery port (71) corresponding position fixedly connected with a set of impeller board (73), rotate cover (72) inside wall and with filter screen (22) corresponding position fixedly connected with brush board (74).

4. The nanofiltration device of claim 1, wherein: the filter is characterized in that a limiting sleeve (6) is fixedly connected in the shell (1), and the filter element (2) is movably inserted in the limiting sleeve (6).

5. The nanofiltration device of claim 1, wherein: the sewage draining device is characterized in that a sewage draining pipe (8) is fixedly connected to the side wall of the lower end of the shell (1), and a control valve (9) is fixedly connected to the sewage draining pipe (8).