CN218435466U

CN218435466U - Filter core for water treatment based on membrane capacitance

Info

Publication number: CN218435466U
Application number: CN202223181691.9U
Authority: CN
Inventors: 龚成云; 汪国忠; 陈周义
Original assignee: Hefei Institutes of Physical Science of CAS; Luan Institute of Anhui Institute of Industrial Technology Innovation
Current assignee: Hefei Institutes of Physical Science of CAS; Luan Institute of Anhui Institute of Industrial Technology Innovation
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-02-03
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a filter element for water treatment based on membrane capacitance, which comprises a shell, a membrane capacitance component, a membrane capacitance installation component and a drain pipe, wherein the membrane capacitance component, the membrane capacitance installation component and the drain pipe are positioned in the shell; the membrane capacitor assembly comprises two sets of arc-shaped electrode plate assemblies which are oppositely arranged, and each arc-shaped electrode assembly comprises a positive plate and a negative plate. Sewage filters then gets into the shell through filter assembly at first in, lies in that the absorption of anion and cation can be realized to shell inner membrance electric capacity subassembly, and then realizes the purpose of desalination, and the low salinity sewage after the desalination gets into inside the pipeline through the water hole of crossing on the drain pipe to through open end discharge shell. The drain pipe is arranged to play a role of slow flow, so that anions and cations in the sewage are fully adsorbed on the positive electrode plate and the negative electrode plate.

Description

Filter core for water treatment based on membrane capacitance

Technical Field

The utility model relates to a water treatment filter core technical field, more specifically say, relate to a filter core for water treatment based on membrane capacitance.

Background

The MCDI (Membrane capacitive deionization) technology is developed from a capacitive deionization technology (also called as an electric adsorption technology), which utilizes the conductivity and ion adsorption of an activated carbon electrode, forces ions to move to an electrode with opposite charges by applying an electrostatic field, and after the ions and other charged substances are respectively adsorbed by a positive electrode and a negative electrode, the ions in raw water are removed to form pure water with low salt content; when the electrodes are saturated, the positive and negative electrodes are reversed mutually, homopolar repulsion is realized, ions with the same polarity are removed from the electrodes, the desorbed ions are washed away by raw water, the electrodes are regenerated, and the adsorption and desorption of the next stage are started. The MCDI has the advantages of low energy consumption, low cost, no secondary pollution, easy regeneration of electrodes and the like, is widely concerned at home and abroad in recent years, and particularly has good application prospects in the aspects of purified water preparation, seawater desalination, sewage treatment and the like. Nitrates, fluorides, perchlorates, sulfates, metal ions and other ionic compounds contained in the water can be treated by the membrane capacitor technique.

The existing filter element for water treatment uses an electrodeionization unit similar to the principle of a membrane capacitance method to desorb and remove metal ions in water, but the existing device lacks a filter component at the front end, and the problem of blocking a water outlet pipe due to more impurities in water body is often caused in use; meanwhile, the electrodeionization units in the conventional device are unreasonably arranged, and quick installation and disassembly of the electrodeionization units cannot be realized under the condition that the electrodes are not interfered with each other.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter core for water treatment based on membrane capacitance for solve the technical problem who exists among the above-mentioned background art.

The utility model provides a filter core for water treatment based on membrane capacitance, including the shell, be located in membrane capacitance subassembly, membrane capacitance installation component and the drain pipe in the casing, the shell both ends are water inlet end and water outlet end respectively, the water inlet end is provided with filter assembly, the setting of drain pipe one end seal, other end opening, the open end passes the water outlet end setting, all be equipped with the water hole on the drain pipe;

the membrane capacitor assembly comprises two groups of arc-shaped electrode plate assemblies which are oppositely arranged, and each arc-shaped electrode assembly comprises a positive plate and a negative plate; the membrane capacitor mounting assembly comprises a plug connector arranged on the arc-shaped electrode plate and an arc-shaped slot arranged on the inner wall of the shell.

In a preferred embodiment, the arc-shaped electrode assembly further comprises an anion exchange membrane, a cation exchange membrane and an insulating net, wherein the positive plate, the negative plate, the anion exchange membrane, the cation exchange membrane and the insulating net are arranged in the following order: positive plate, anion exchange membrane, insulating net, cation exchange membrane, negative plate.

In a preferred embodiment, the plug connector comprises an insulating connecting plate and an arc-shaped inserting plate fixedly connected with the insulating connecting plate, the arc-shaped inserting plate is inserted into the arc-shaped slot, the length of the arc-shaped inserting plate is matched with that of the arc-shaped slot, and the length of the arc-shaped slot is matched with that of the shell.

In a preferred embodiment, the water inlet end is provided with an annular groove, the filtering component is sleeved in the annular clamping groove and is sleeved on the drain pipe, the outer cover of the filtering component is provided with a buffer cover provided with a water inlet, and sewage sequentially passes through the buffer cover and the filtering component to enter the shell.

In a preferred embodiment, the filter assembly comprises a mounting framework and a filter plate sleeved on the mounting framework, the mounting framework comprises a fixing ring, a linear supporting rod arranged on the fixing ring, and an inserting rod vertically arranged on the linear supporting rod, the filter plate is provided with a jack corresponding to the inserting rod, and the inserting rod is inserted into the jack.

In a preferred embodiment, the water outlet end is provided with a concentrate water outlet.

The utility model discloses technical scheme's beneficial effect is:

sewage at first filters then gets into the shell through filtering component in, is located the absorption that shell inner membrance electric capacity subassembly can realize anion and cation, and then realizes the purpose of desalination, and the low salt content sewage after the desalination gets into inside the pipeline through the water hole of crossing on the drain pipe to through open end discharge shell. The drain pipe is arranged to play a role of slow flow, so that anions and cations in the sewage are fully adsorbed on the positive electrode plate and the negative electrode plate.

Adopt the grafting mode setting, make things convenient for the installation and the dismantlement of arc plate electrode to maintain, the plug connector realizes supporting and fixing arc plate electrode simultaneously, avoids two arc plate electrodes to contact each other and causes the interference each other.

The filter is the cotton material of bubble, is provided with the filtration pore on it, through the bracing piece with look for futilely as the installation skeleton, two circular shape filter concatenations of board set up outside the retainer plate, adopt the mode of grafting installation, conveniently change its filter.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention,

figure 2 is an exploded schematic view of the present invention,

FIG. 3 is a schematic view of the internal structure of the present invention,

figure 4 is a schematic diagram of the structure of the filtering component of the present invention,

fig. 5 is a schematic view of the bottom view structure of the present invention.

Description of reference numerals: the water inlet device comprises a shell 1, a water inlet end 2, a water outlet end 3, an arc-shaped electrode plate 4, a positive electrode plate 5, a negative electrode plate 6, a film capacitor mounting assembly 7, an insulating connecting plate 8, an arc-shaped inserting plate 9, an arc-shaped inserting groove 10, a water outlet pipe 11, a water passing hole 12, a filtering assembly 13, a fixing ring 14, a linear supporting rod 15, an inserting rod 16, a filtering plate 17, a buffering cover 18 and a concentrated water outlet 19.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

As shown in fig. 1-5, the utility model provides a filter core for water treatment based on membrane capacitance, include shell 1, be located membrane capacitance component, membrane capacitance installation component 7 and drain pipe 11 in the casing, 1 both ends of shell are respectively for intaking end 2 and play water end 3, it is provided with filter assembly 13 to intake

end

2, 11 one end of drain pipe is sealed to be set up, other end opening sets up, and the open end passes go out water end 3 and set up, all be equipped with water hole 12 on the drain pipe 11.

Sewage at first filters then gets into shell 1 through filtering component 13 in, is located that 1 inner membrance electric capacity subassembly of shell can realize the absorption of anion and cation, and then realizes the purpose of desalination, and the low salt content sewage after the desalination gets into inside the pipeline through water hole 12 of crossing on drain pipe 11 to through open end discharge shell 1. The drain pipe 11 is arranged to play a role of slow flow, so that anions and cations in the sewage are fully adsorbed on the positive electrode plate and the negative electrode plate.

The membrane capacitor assembly comprises two groups of arc-shaped electrode plate 4 assemblies which are oppositely arranged, and each arc-shaped electrode assembly comprises a positive plate 5 and a negative plate 6; arc electrode subassembly still includes anion exchange membrane, cation exchange membrane and insulating mesh, and the setting order of positive plate 5, negative plate 6, anion exchange membrane, cation exchange membrane and insulating mesh is in proper order: a positive plate 5, an anion exchange membrane, an insulating net, a cation exchange membrane, and a negative plate 6 (wherein the anion exchange membrane, the insulating net, and the cation exchange membrane are not shown in the figure).

The membrane capacitor mounting assembly 7 comprises a plug connector arranged on the arc-shaped electrode plate 4 and an arc-shaped slot 10 arranged on the inner wall of the shell 1. The plug connector includes an insulating connecting plate 8, with 8 fixed connection's of insulating connecting plate arc picture peg 9, arc picture peg 9 inserts in the arc slot 10, the length of arc picture peg 9 with the length of arc slot 10 suits, the length of arc slot 10 with the length of shell 1 suits.

Insulating connecting plate 8 and arc electrode board 4 fixed connection, and insulating connecting plate 8 is insulating material, for example plastics material. Set up two plug connectors on each arc plate electrode 4, during the installation, with arc picture peg 9 facing to arc slot 10 on the 1 inner wall of shell insert can, adopt the grafting mode setting, make things convenient for arc plate electrode 4's installation and dismantlement to maintain, the plug connector realizes the support and the fixed of arc plate electrode 4 simultaneously, avoids two arc plate electrode 4 to contact each other and causes the interference each other.

The water inlet end 2 is provided with an annular groove, the filtering component 13 is sleeved in the annular clamping groove and is sleeved on the drain pipe 11, the outer cover of the filtering component 13 is provided with a buffer cover 18 with a water inlet, and sewage sequentially passes through the buffer cover 18 and the filtering component 13 to enter the shell 1. The sewage firstly enters the buffer cover 18, then is filtered by the filter plate 17, and finally enters the inside of the shell 1. The filter assembly 13 is used for coarse filtration, mainly to filter out impurities with a diameter above 1 mm.

The filter assembly 13 comprises a mounting framework and a filter plate 17 arranged on the mounting framework in a sleeved mode, the mounting framework comprises a fixing ring 14, a straight supporting rod 15 and a vertical supporting rod 16, the straight supporting rod 15 is arranged on the fixing ring 14, the vertical supporting rod is provided with an inserting rod 16, the filter plate 17 is provided with an inserting hole corresponding to the inserting rod 16, and the inserting rod 16 is inserted into the inserting hole. The filter 17 is the cotton material of bubble, is provided with the filtration pore on it, through the bracing piece with look for doing as the installation skeleton, two circular shape filters 17 of board concatenation settings outside retainer plate 14, adopt the mode of grafting installation, conveniently change its filter 17.

The water outlet end 3 is provided with a concentrated water discharge port 19 for discharging concentrated water containing ions desorbed by the positive plate 5 and the negative plate 6.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. A filter core for water treatment based on membrane capacitance is characterized in that: the water-saving membrane capacitor comprises a shell, a membrane capacitor component, a membrane capacitor mounting component and a drain pipe, wherein the membrane capacitor component, the membrane capacitor mounting component and the drain pipe are positioned in the shell, a water inlet end and a water outlet end are respectively arranged at two ends of the shell, a filtering component is arranged at the water inlet end, one end of the drain pipe is arranged in a sealing mode, the other end of the drain pipe is arranged in an opening mode, the opening end of the drain pipe penetrates through the water outlet end, and water passing holes are respectively formed in the drain pipe;

the membrane capacitor assembly comprises two groups of arc-shaped electrode plate assemblies which are oppositely arranged, and each arc-shaped electrode plate assembly comprises a positive plate and a negative plate; the membrane capacitor mounting assembly comprises a plug connector arranged on the arc-shaped electrode plate and an arc-shaped slot arranged on the inner wall of the shell.

2. A membrane capacitor based filter element for water treatment according to claim 1, wherein: arc electrode plate subassembly still includes anion exchange membrane, cation exchange membrane and insulating mesh, and the order that sets up of positive plate, negative plate, anion exchange membrane, cation exchange membrane and insulating mesh is in proper order: positive plate, anion exchange membrane, insulating net, cation exchange membrane, negative plate.

3. A membrane capacitor based filter element for water treatment according to claim 1, wherein:

the plug connector include an insulating connecting plate, with insulating connecting plate fixed connection's arc picture peg, the arc picture peg inserts in the arc slot, the length of arc picture peg with the length of arc slot suits, the length of arc slot with the length of shell suits.

4. A membrane capacitor-based filter element for water treatment according to claim 1, wherein:

the water inlet end is provided with an annular groove, the filtering component is sleeved in the annular groove and is sleeved on the drain pipe, the outer cover of the filtering component is provided with a buffer cover with a water inlet, and sewage sequentially enters the shell through the buffer cover and the filtering component.

5. A membrane capacitor-based filter element for water treatment according to claim 4, wherein:

the filter assembly comprises a mounting framework and a filter plate, wherein the filter plate is sleeved on the mounting framework, the mounting framework comprises a fixing ring, a straight-line-shaped supporting rod arranged on the fixing ring and an inserting rod vertically arranged on the straight-line-shaped supporting rod, the filter plate is provided with an inserting hole corresponding to the inserting rod, and the inserting rod is inserted into the inserting hole.

6. A membrane capacitor-based filter element for water treatment according to claim 1, wherein: the water outlet end is provided with a concentrated water outlet.