CN106630043B

CN106630043B - Filter

Info

Publication number: CN106630043B
Application number: CN201710053230.8A
Authority: CN
Inventors: 王军舰; 欧阳燕海; 钟入刚; 曹慧辉
Original assignee: Suzhou New Newton Environmental Protection Technology Co ltd
Current assignee: Suzhou New Newton Environmental Protection Technology Co ltd
Priority date: 2017-01-24
Filing date: 2017-01-24
Publication date: 2023-07-14
Anticipated expiration: 2037-01-24
Also published as: CN106630043A

Abstract

The invention discloses a filter, which comprises a bracket and a body arranged on the bracket, wherein the body is provided with a raw water inlet, a fresh water inlet, a concentrated water outlet and a fresh water outlet, and comprises an upper cover, a lower cover, a plurality of anode plates and a plurality of cathode plates which are alternately stacked between the upper cover and the lower cover, and a filter unit arranged between two adjacent anode plates and the cathode plates. The invention attaches the positive membrane component and the negative membrane component on the negative plate and the positive plate respectively, so that the stress capability of the positive membrane component and the negative membrane component is greatly improved. Meanwhile, the anode plate and the cathode plate are more corrosion-resistant due to the protection of the anode membrane component and the cathode membrane component.

Description

Filter

Technical Field

The invention relates to the field of water purification, in particular to a filter.

Background

A method of separating different solute particles (e.g., ions) using the permselective properties of a semipermeable membrane is known as dialysis. When dialysis is performed under the action of an electric field, the phenomenon in which charged solute particles (e.g., ions) in a solution migrate through a membrane is called electrodialysis. The technology of purifying and separating substances by electrodialysis, called electrodialysis method, is a new technology developed in the 50 s of the 20 th century, is used for sea water desalination initially, is now widely used in chemical industry, light industry, metallurgy, paper making, and medical industry, and is particularly important for preparing pure water and treating three wastes in environmental protection, such as acid-base recovery, electroplating waste liquid treatment, and recovery of useful substances from industrial waste water.

However, since water in the vicinity of the anode is acidic and water in the vicinity of the cathode is alkaline, the electrode plate is easily corroded. Meanwhile, the two sides of the existing ionic membrane are not provided with supports, the ionic membrane is easy to damage due to the pressure of water, and the filter needs to be replaced and cleaned frequently.

Disclosure of Invention

The invention aims to provide a filter with long service life.

In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a filter, includes the support, sets up body on the support, be provided with raw water inlet, fresh water inlet, dense water export and fresh water export on the body, the body includes upper cover, lower cover, alternate range upon range of setting be in a plurality of anode plates and a plurality of negative plate between the upper cover with and set up two adjacent between the anode plate with the filter unit between the negative plate, the filter unit is including setting up filter channel between anode plate and the negative plate, set up respectively the passageway entry and the passageway export at filter channel both ends, set up the filter channel is close to the negative membrane subassembly on the anode plate one side wall, set up the filter channel is close to the positive membrane subassembly on the cathode plate one side wall, with the membrane water inlet of both one end simultaneous communication of negative membrane subassembly with the membrane delivery port of both of positive membrane subassembly.

Preferably, the channel inlets and the channel outlets of the plurality of filtering units are connected in a tail-end manner in the body to form a roundabout raw water channel, and two ends of the raw water channel are respectively communicated with the raw water inlet and the fresh water outlet.

Preferably, the body further comprises a fresh water channel communicated with the fresh water inlet and a concentrated water channel communicated with the concentrated water outlet, the fresh water channel is communicated with the membrane water inlet, and the concentrated water channel is communicated with the membrane water outlet.

Further preferably, the fresh water channel and the concentrate channel are provided within the body.

Preferably, the body is in a column shape, the raw water inlet and the fresh water inlet are arranged on the lower surface of the body, and the concentrated water outlet and the fresh water outlet are arranged on the upper surface of the body.

Still preferably, the filter further comprises a rotating shaft rotatably connected with the bracket and a vibrating device fixedly arranged on the rotating shaft, the body is fixedly arranged with the rotating shaft, and the male membrane component, the female membrane component and the rotating shaft in the body are mutually perpendicular.

Further preferably, the vibration device comprises a base fixedly connected with the rotating shaft, and an eccentric vibrator fixed on the base.

Still preferably, the base is disc-shaped perpendicular to the rotating shaft, the rotating shaft passes through the axis of the base, the eccentric vibrator is fixedly arranged on the surface of the base, the compensating balancing weight equal to the eccentric vibrator is fixedly arranged on the surface of the base, and the eccentric vibrator and the compensating balancing weight are arranged in central symmetry with respect to the central point of the base.

Preferably, the negative film component comprises an anion exchange film, a water permeable film and a cation exchange film which are sequentially laminated, wherein the cation exchange film is closely attached to the anode plate; the positive membrane component comprises a positive ion exchange membrane, a water permeable membrane and an anion exchange membrane which are sequentially laminated, wherein the anion exchange membrane is tightly attached to the negative plate.

Further preferably, the water permeable membrane is a microfiltration membrane.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

the invention attaches the positive membrane component and the negative membrane component on the negative plate and the positive plate respectively, so that the stress capability of the positive membrane component and the negative membrane component is greatly improved. Meanwhile, the anode plate and the cathode plate are more corrosion-resistant due to the protection of the anode membrane component and the cathode membrane component.

Drawings

FIG. 1 is a schematic cross-sectional view of a raw water channel of a body;

FIG. 2 is a schematic cross-sectional view of the fresh water channel of the body;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic perspective view of the present invention.

In the above figures: 1. a bracket; 2. a rotating shaft; 3. a body; 31. a raw water inlet; 32. a fresh water inlet; 33. a concentrated water outlet; 34. a fresh water outlet; 35. an upper cover; 36. a lower cover; 37. an anode plate; 38. a cathode plate; 4. a filtration channel; 41. a channel inlet; 42. a channel outlet; 43. a membrane water inlet; 44. a membrane water outlet; 5. a negative film assembly; 6. a male membrane assembly; 71. a base; 72. an eccentric vibrator; 73. and compensating the balancing weight.

Detailed Description

The invention is further described below with reference to an embodiment shown in the drawings in which:

referring to fig. 1 to 4, a filter includes a frame 1, a body 3 provided on the frame 1, the body 3 being provided with a raw water inlet 31, a fresh water inlet 32, a concentrated water outlet 33 and a fresh water outlet 34, the body 3 including an upper cover 35, a lower cover 36, a plurality of anode plates 37 and a plurality of cathode plates 38 alternately stacked between the upper cover 35 and the lower cover 36, and a filter unit provided between two adjacent anode plates 37 and the cathode plates 38, the filter unit including a filter passage 4 provided between the anode plates 37 and the cathode plates 38, a passage inlet 41 and a passage outlet 42 provided at both ends of the filter passage 4, a cathode membrane module 5 provided on a side wall of the filter passage 4 near the anode plates 37, a anode membrane module 6 provided on a side wall of the filter passage 4 near the cathode plates 38, a membrane water inlet 43 simultaneously communicating with one ends of both the cathode membrane module 5 and the anode membrane module 6, and a membrane water outlet 44 simultaneously communicating with the other ends of the cathode membrane module 5 and the anode membrane module 6.

The channel inlets 41 and the channel outlets 42 of the plurality of filtering units are connected in a tail-end manner in the body 3 to form a roundabout raw water channel, and two ends of the raw water channel are respectively communicated with the raw water inlet 31 and the fresh water outlet 34.

The body 3 further includes a fresh water channel in communication with the fresh water inlet 32, which is in communication with the membrane water inlet 43, and a concentrate channel in communication with the concentrate outlet 33, which is in communication with the membrane water outlet 44. The fresh water channel and the concentrate channel are provided in the body 3.

The main body 3 is in a cylindrical shape, the raw water inlet 31 and the fresh water inlet 32 are arranged on the lower surface of the main body 3, and the concentrated water outlet 33 and the fresh water outlet 34 are arranged on the upper surface of the main body 3. The filter also comprises a rotating shaft 2 which is rotationally connected with the bracket 1 and a vibrating device which is fixedly arranged on the rotating shaft 2, wherein the body 3 is fixedly arranged with the rotating shaft 2, and a male membrane component 6 and a female membrane component 5 in the body 3 are mutually perpendicular to the rotating shaft 2. The vibration device includes a base 71 fixedly connected to the rotation shaft 2, and an eccentric vibrator 72 fixed to the base 71.

The base 71 is perpendicular discoid with the pivot 2, and pivot 2 passes the axle center setting of base 71, and eccentric vibrator 72 fixed setting is in the surface of base 71, and the surface of base 71 is still fixed to be provided with the compensation balancing weight 73 that is equal heavy with eccentric vibrator 72, and eccentric vibrator 72 and compensation balancing weight 73 are about the central point central symmetry setting of base 71.

The negative film component 5 comprises negative ion exchange films, water permeable films and positive ion exchange films which are sequentially laminated, wherein the positive ion exchange films are closely attached to the anode plate 37; the cation membrane component 6 comprises a cation exchange membrane, a water permeable membrane and an anion exchange membrane which are sequentially stacked, wherein the anion exchange membrane is clung to the cathode plate 38, and the water permeable membrane is a microfiltration membrane.

The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims

1. The filter comprises a bracket and a body arranged on the bracket, wherein the body is provided with a raw water inlet, a fresh water inlet, a concentrated water outlet, a fresh water channel communicated with the fresh water inlet, a concentrated water channel communicated with the concentrated water outlet, an upper cover, a lower cover, a plurality of anode plates and a plurality of cathode plates which are alternately stacked between the upper cover and the lower cover, and a filter unit arranged between two adjacent anode plates and the cathode plates, the filter unit comprises a filter channel arranged between the anode plates and the cathode plates, a channel inlet and a channel outlet which are respectively arranged at two ends of the filter channel, a negative membrane component arranged on one side wall of the filter channel close to the anode plates, a positive membrane component arranged on one side wall of the filter channel close to the cathode plates, a membrane water inlet simultaneously communicated with one ends of the negative membrane component and the positive membrane component, and a membrane water outlet simultaneously communicated with the other ends of the negative membrane component and the positive membrane component;

the method is characterized in that:

the channel inlets and the channel outlets of the plurality of filtering units are connected in a tail-end manner in the body to form a roundabout raw water channel, and two ends of the raw water channel are respectively communicated with the raw water inlet and the fresh water outlet;

the negative film component comprises an negative ion exchange film, a micro-filtration film and a positive ion exchange film which are sequentially laminated, and the positive ion exchange film is closely attached to the positive plate; the positive membrane component comprises a positive ion exchange membrane, a micro-filtration membrane and an anion exchange membrane which are sequentially stacked, and the anion exchange membrane is closely attached to the negative plate;

the fresh water channel is communicated with the membrane water inlet, and is simultaneously communicated with one end of the negative membrane component and one end of the positive membrane component through the membrane water inlet, and the concentrated water channel is communicated with the membrane water outlet, and is simultaneously communicated with the negative membrane component and the other end of the positive membrane component through the membrane water outlet.

2. A filter as claimed in claim 1, wherein: the body is in a vertical cylindrical shape, the raw water inlet and the fresh water inlet are arranged on the lower surface of the body, and the concentrated water outlet and the fresh water outlet are arranged on the upper surface of the body; the filter also comprises a rotating shaft and a vibrating device, wherein the rotating shaft is rotationally connected with the bracket, the vibrating device is fixedly arranged on the rotating shaft, the body and the rotating shaft are fixedly and coaxially arranged, two bodies are respectively positioned on the upper side and the lower side of the vibrating device, and a male membrane component and a female membrane component in the body are mutually perpendicular to the rotating shaft; the vibration device comprises a base fixedly connected with the rotating shaft and an eccentric vibrator fixed on the base; the base is disc-shaped perpendicular to the rotating shaft, the rotating shaft penetrates through the axis of the base, a compensation balancing weight equal to the eccentric vibrator in weight is further fixedly arranged on the surface of the base, the compensation balancing weight and the eccentric vibrator are fixedly arranged on the same side surface of the base, and the eccentric vibrator and the compensation balancing weight are arranged in central symmetry with respect to the central point of the base.