KR20190021532A - Desalination module apparatus using a fabric electrode - Google Patents

Abstract

The present invention relates to a desalination apparatus, which is applied with a textile electrode cell in which a shape thereof is deformed when an external force is applied, and more particularly, to a desalination module apparatus using a textile electrode, comprising: a main body including upper and lower bodies, sealed with a gap between circumferences of the upper and lower bodies, and having an inlet and an outlet formed therein; a first textile electrode disposed in the main body, disposed adjacent to a bottom surface of the upper body, and deformed with a shape thereof when an external force is applied; a second textile electrode disposed in the main body, disposed adjacent to an upper surface of the lower body, and deformed with a shape thereof when an external force is applied; a spacer disposed between the first and second textile electrodes, and deformed with a shape thereof when an external force is applied; and a terminal unit electrically connected to the first and second textile electrodes, separately, and having one end thereof disposed inside the main body and the other end thereof to protrude to the outside of the main body. When an aqueous solution is injected into the inlet, the spacer is radially injected, and when electricity is applied to the terminal unit, anions and cations included in the injected aqueous solution are separated. Also, the separated anions and cations are adsorbed to the first and second textile electrodes, and treated water having the anoins and cations deintercalated from the aqueous solution is discharged through the outlet. Accordingly, an electrode can be prevented from being bent to be torn or damaged, a size thereof can be reduced, more aqueous solution per a unit time can be desalted, and a shape thereof can be variously manufactured.

Description

[0001] The present invention relates to a desalination module apparatus using a fabric electrode,

The present invention relates to a desalination module device using a fabric electrode whose shape is deformed when an external force is applied.

A capacitive deionization (hereinafter referred to as CDI) process is a process in which an appropriate voltage is applied to two porous carbon electrodes, and water containing ions is flowed therebetween, whereby positive ions are adsorbed to the negative electrode and negative ions are adsorbed to the positive electrode Are separated from each other.

When the positive and negative ions are saturated on the carbon electrode, if the opposite voltage is applied to the saturated carbon electrode or the carbon electrode is short-circuited, the adsorbed ions are separated from the carbon electrode. This principle is used to remove dissolved ions.

In the prior art, it is difficult to use a metal material such as aluminum or copper because the electrode used as the current collector of the CDI cell is continuously exposed to moisture, unlike other energy storage devices having the same principle and structure.

That is, when a metal material is used, it is difficult to use the metal because the metal is oxidized if it is continuously exposed to water.

Therefore, the electrode mainly used as the current collector of the CDI uses a graphite sheet produced by pressing the graphite powder and coating the surface thereof.

The graphite sheet is excellent in conductivity and is not oxidized by moisture. However, when the graphite sheet has a weak mechanical strength, an external force is applied, which shorts the graphite sheet easily in a continuous manufacturing process. As a result, it is difficult to continuously fabricate, and in particular, there arises a problem that terminals or terminals of the electrode are easily torn or broken when a module is designed.

In addition, the prior art has a problem in that when the opposite voltage is applied to the electrodes, the desorbed ions are adsorbed to the opposite electrode, and thus it is necessary to repeatedly perform this operation.

Korean Registered Patent No. 10-1650137 (Published on Aug. 24, 2016)

The present invention has been conceived to solve the problems of the prior art described above, and it is an object of the present invention to prevent an electrode from being torn and broken, to be able to reduce the size and desalt a larger amount of aqueous solution per unit time, And an object of the present invention is to provide a desalination module device using fabric electrodes.

It is also an object of the present invention to provide a desalination module device using a fabric electrode which can prevent ions from being adsorbed again even when an opposite voltage is applied to the electrode in which the ions are saturated, and prevent the moving speed of the aqueous solution from varying.

In order to achieve the above object,

A body including an upper body and a lower body, the body being sealed between the upper body and the lower body and having an inlet and an outlet, and a body disposed inside the body and disposed adjacent to a bottom surface of the body, A second woven electrode disposed inside the body and disposed adjacent to an upper surface of the lower body and deformed when an external force is applied, and a second woven electrode disposed on the first woven electrode and the second woven electrode, A spacer disposed between the fabric electrodes and deformed in shape when an external force is applied thereto, and a spacer electrically connected to the first fabric electrode and the second fabric electrode, one end disposed inside the main body and the other end projecting to the outside of the main body Wherein when the aqueous solution is injected into the inlet port, the spacer is radially injected, and when electricity is applied to the terminal section, The separated anions and cations are adsorbed to the first fabric electrode and the second fabric electrode, and the treated water in which anions and cations are separated from the aqueous solution is discharged through the outlet And a desalination module device using the fabric electrode.

In addition, the outlet may be formed at the center of the body, and at least four inlet ports may be formed in the periphery of the body.

In addition,

And may be formed in a direction opposite to the discharge port.

At least one of the first fabric electrode and the second fabric electrode may be formed of a non-

A current collector formed of conductive fibers, and an adsorption unit coated on the outer surface of the current collector but containing activated carbon and adsorbing cations and anions.

In addition, the upper body and the lower body may be formed,

Wherein one surface of the bonding surface is formed to be curved so that the first fabric electrode, the second fabric electrode, and the spacer are deformed corresponding to the curvature, and the surface area of the first fabric electrode and the second fabric electrode The larger amount of anions and cations can be adsorbed.

Further, it is preferable that the ion exchange membrane further comprises an ion exchange membrane disposed at least either between the first fabric electrode and the spacer or between the spacer and the second fabric electrode, wherein the ion exchange membrane is capable of passing only either the anion or the cation have.

The apparatus may further include a terminal block connected to the terminal portion, the first cloth electrode, the terminal portion, and the second cloth electrode, wherein electricity supplied to the terminal portion is transmitted to the first cloth electrode and the second cloth electrode through the terminal block, It can be supplied evenly to the electrode.

According to the present invention, since the electrode is formed of the conductive fiber, it is possible to prevent the electrode from being torn or broken even when an external force is applied.

In addition, since the shape is easily deformed by an external force, the desalination apparatus can be manufactured in various shapes.

In addition, even if the length of the apparatus is shortened, the surface area of the electrode can be increased, and a larger amount of the aqueous solution can be desalinated than the length of the electrode.

In addition, even if the ions are desorbed from the electrode in which the ions are saturated, it is possible to prevent the desorbed ions from being adsorbed on the electrode again, so that the desorption process of the ions can be performed quickly.

Further, by forming the direction of the inlet port and the outlet port in opposite directions, it is possible to prevent the flow rate of the aqueous solution from varying for each layer layer even if a plurality of first fabric electrodes and a plurality of second fabric electrodes are stacked. Accordingly, the cation and the anion can be evenly adsorbed.

1 is a perspective view schematically showing a desalination module device using a fabric electrode according to an embodiment of the present invention.
2 is a perspective view schematically showing a lower part of a desalination module device using a fabric electrode according to an embodiment of the present invention;
3 is an exploded perspective view schematically showing a desalination module device using a fabric electrode according to an embodiment of the present invention.
4 is a perspective view illustrating a bottom surface of an upper body in a desalination module device using a fabric electrode according to an embodiment of the present invention.
5 is a plan view schematically illustrating a desalination module device using a fabric electrode according to an embodiment of the present invention.
6 is a sectional view taken along the line VI-VI in Fig. 5;
7 is a sectional view taken along the line VII-VII in Fig. 5;
8 is a side sectional view schematically showing a state in which a plurality of first fabric electrodes and second fabric electrodes are stacked in a desalination module device using a fabric electrode according to an embodiment of the present invention.

The preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, in which the technical parts already known will be omitted or compressed for the sake of brevity.

1 to 6, a desalting module device using a fabric electrode according to an embodiment of the present invention includes a main body 1, a first fabric electrode 2, a second fabric electrode 3, a spacer (not shown) 4, an ion exchange membrane 5, a terminal portion 6, a terminal block 7, and a diaphragm 8.

The body 1 accommodates the first cloth electrode 2, the second cloth electrode 3, the spacer 4, the ion exchange membrane 5, the terminal portion 6 and the terminal block 7 to be described later, Includes a body (11), a lower body (12) and a gasket (13). Here, the diaphragm 8 may be further included.

The upper body 11 is formed in a substantially rectangular parallelepiped shape and has a first curved surface 113 protruding in one area at the center of the bottom surface and a plurality of first coupling holes 114 are formed around the first curved surface 113 And is formed to penetrate from the upper end to the lower end.

The upper body 11 is coupled with a lower body 12 to be described later by bolts and nuts, and a discharge port 112 is formed at the center through the upper end to the lower end. At this time, the discharge port 112 is formed with a female screw so as to connect a pipe (not shown).

The upper body 11 has terminal holes 115 formed on both upper surfaces thereof so as to penetrate from the upper end to the lower end and are formed by being arranged on both sides of the first curved surface 113. At this time, the upper and lower ends of the terminal hole 115 are extended outwardly so that the packing P is inserted.

The lower body 12 is a substantially rectangular parallelepiped and corresponds to the upper body 11. A second curved surface 121 corresponding to the first curved surface 113 is formed in one central region of the upper surface, A second engaging hole 122 corresponding to the first engaging hole 114 is formed in the periphery of the surface 113 so as to penetrate from the upper end to the lower end.

The lower body 12 is formed with a fixing groove 123 corresponding to the position of the terminal hole 115 on the upper surface thereof and is formed in a shape corresponding to the lower portion of the terminal portion 6, do.

In addition, the lower body 12 has four inlet ports 111 on the bottom surface thereof passing through from the upper end to the lower end thereof, and arranged in a cross shape around the outlet port 112. At this time, the inlet port 111 is formed with a female screw so as to be connected to a pipe (not shown), and is disposed around the first fabric electrode 2 to be described later. A description thereof will be described later.

The gasket 13 seals between the upper body 11 and the lower body 12 and forms a space between the upper body 11 and the lower body 12. The gasket 13 is formed in a substantially rim shape, A hole corresponding to the hole 114 is formed.

The gasket 13 is formed of synthetic resin, rubber or silicone and is disposed between the upper body 11 and the lower body 12 and is in close contact with the upper body 11 and the lower body 12.

Thus, the gasket 13 closes the gap between the upper body 11 and the lower body 12.

The first fabric electrode 2 absorbs anions contained in the aqueous solution and is formed in a substantially rectangular parallelepiped sheet shape and deformed in shape by an external force and closely attached to the first curved surface 113, And an adsorbing portion 22. The adsorbing portion 22 is provided with an adsorbing portion 22a.

The collector 21 is formed of substantially conductive fibers and has a hole corresponding to the terminal hole 115 formed at one side thereof and a discharge hole 23 corresponding to the discharge port 112 of the upper body 11 at the center, .

The adsorbing portion 22 is coated on the surface of the current collector 21 except for one region where the hole is formed by pressing the graphite or the activated carbon or the like on the collector 21.

Here, the first fabric electrode 2 is sandwiched between the first electrode bar 61 to be described later.

Accordingly, when a (+) current is applied to the first electrode bar 61, the applied current is transmitted to the first fabric electrode 2.

The second fabric electrode 3 absorbs the cations contained in the aqueous solution, and is formed in a substantially rectangular parallelepiped sheet shape. The second fabric electrode 3 is deformed in shape by an external force and is brought into close contact with the second curved surface 121.

Here, the second fabric electrode 3 is sandwiched between the second electrode bar 62 to be described later.

Accordingly, when a (-) current is applied to the second electrode bar 62, an applied current is transmitted to the second cloth electrode 3.

Here, the second cloth electrode 3 corresponds to the first cloth electrode 2 described above except for the discharge hole 23, and a detailed description thereof will be omitted.

The spacer 4 serves as a passage through which the aqueous solution passes and is formed of a material through which water passes, such as a nonwoven fabric or a sponge, and is formed into a rectangular parallelepiped pad shape, which is deformed by an external force.

The spacer 4 has holes corresponding to the terminal holes 115 on both sides and is disposed between the first and second fabric electrodes 2 and 3 so that the first electrode bar 61 and the second electrode bar 61, And is fitted in the second electrode rod 62.

The ion exchange membrane (5) selectively passes ions, and includes an anion exchange membrane (51) and a cation exchange membrane (52).

The anion exchange membrane 51 is formed by passing only anions in a sheet form and forming holes corresponding to the terminal holes 115 on both sides and disposed between the first cloth electrode 2 and the spacers 4, And is fitted to the electrode rod 61 and the second electrode rod 62.

The cation exchange membrane 52 is formed by passing only positive ions in a sheet form and forming holes corresponding to the terminal holes 115 on both sides and disposed between the second cloth electrode 3 and the spacers 4, And is fitted to the electrode rod 61 and the second electrode rod 62.

Here, the ion exchange membrane 5 is formed using well-known or known technology, and a detailed description thereof will be omitted.

The terminal portion 6 is formed of a material such as SUS (Steel Use Stainless) which has high electrical conductivity and high oxidation resistance against water by supplying current to the first cloth electrode 2 and the second cloth electrode 3 And includes a first electrode rod 61 and a second electrode rod 62.

The first electrode rod 61 is provided with a pair and the lower end head portion is fitted and fixed in the fixing groove 123 formed on the left side of the lower body 12 and the upper end is formed with a male thread, And protrudes through the terminal hole 115 formed in the left side.

The second electrode rod 62 is provided with a pair of upper and lower ends of which are fixed to the fixing groove 123 formed on the right side of the lower body 12, And protrudes through the terminal hole 115 formed on the right side.

The terminal block 7 applies a current to the current collector 21 uniformly and is formed in an approximately long bar shape and provided with a pair.

Further, the terminal block 7 is made of a material such as SUS (Steel Use Stainless) having high electrical conductivity and high oxidation resistance against water, and a hole corresponding to the terminal hole 115 is formed.

One of the pair of terminal blocks 7 is disposed between the upper body 11 and the first fabric electrode 2 and is in close contact with the first fabric electrode 2 and is sandwiched by the first electrode bar 61, One is disposed between the second fabric electrode 3 and the lower body 12, is in close contact with the second fabric electrode 3, and is sandwiched between the second electrode electrode 62 and the second fabric electrode 3.

The current applied to the first electrode bar 61 is uniformly transmitted to the first fabric electrode 2 through the terminal block 7 disposed on the left side and the current applied to the second electrode bar 62 is disposed on the right side To the second fabric electrode (3) through the terminal block (7).

The first electrode bar 61 and the second electrode bar 62 are inserted into the fixing groove 123 and the terminal block 7 is inserted into the second electrode bar 62 and then the second fabric electrode 3 is inserted into the second electrode bar 62).

Thereafter, the cation exchange membrane 52, the spacer 4, and the anion exchange membrane 51 are sandwiched between the first electrode rod 61 and the second electrode rod 62 in this order.

After inserting the anion exchange membrane 51, the first fabric electrode 2 is sandwiched between the first electrode bar 61 and the first electrode bar 61 and the terminal block 7 is sandwiched therebetween.

The gasket 13 is disposed on the upper surface of the lower body 12 and then the upper body 11 is covered and the upper body 11 and the lower body 12 are coupled with bolts and nuts. At this time, in the terminal hole 115 of the upper body 11, the packing P is engaged with the lower body 12 in the state where the packing P is installed.

When the upper body 11 and the lower body 12 are coupled to each other, the first fabric electrode 2, the second fabric electrode 3, the anion exchange membrane 51, the cation exchange membrane 52, The gasket 13 is deformed into a shape corresponding to the first curved surface 113 and the second curved surface 121 and the gap between the upper and lower bodies 11 and 12 is sealed.

After the upper body 11 and the lower body 12 are coupled to each other, the first electrode rod 61 and the second electrode rod 62 protrude to the outside of the upper body 11, Insert the washers into the two electrode rods (62) and tighten them with nuts. As a result, the terminal holes 115 are closed by the packing P, and each of the terminal blocks 7 is brought into close contact with the first and second fabric electrodes 2 and 3.

In addition, a passage W is formed around the spacer 4. That is, the upper body 11 and the lower body 12 are separated from each other and the gap between the gasket 13 and the first cloth electrode 2, the spacer 4, the ion exchange membrane 5 and the second cloth electrode 3 The passage W connected to the spacer 4 and the inlet 111 is formed. As a result, when an aqueous solution is injected into the inlet 111, it is simultaneously injected into the spacer 4 through the passage W in the radial direction of the spacer 4. Thereafter, when electricity is applied to the terminal portion 6, the aqueous solution passes through the spacer 4, and cations and anions contained in the aqueous solution are desorbed. The separated positive ions and negative ions are adsorbed to the first fabric electrode and the second fabric electrode, and the treated water desorbed is discharged through the discharge port 112 formed at the center of the main body 1. Therefore, by simultaneously injecting the aqueous solution in the radial direction of the spacer 4, the moving speed of the aqueous solution in the entire region of the spacer 4 becomes uniform, and the desorption rate of the positive ions and the negative ions contained in the aqueous solution in the entire region of the spacer 4 The deviation of the adsorption amount is reduced.

8, the first cloth electrode 2, the spacer 4, the ion exchange membrane 5, the second cloth electrode 3, and the pair of terminal blocks 7 are set as one set, A plurality of sets can be stacked inside the main body 1. [ At this time, the diaphragm 8 may be installed between the set and the set so that the first and second fabric electrodes 2 and 3 are in close contact with each other to prevent interference. Further, at the center of each set, a hole corresponding to the discharge port 112 may be formed so that the aqueous solution moves upward.

As a result, anions and cations can be desorbed more quickly. In addition, since the aqueous solution is introduced from the lower part of the main body 1 and discharged to the upper part of the main body 1, it is possible to prevent the occurrence of the fluctuation in the flow rate of the aqueous solution in each set.

If the aqueous solution is introduced from the upper part of the main body 1 and is discharged to the upper part of the main body 1, the aqueous solution moves most quickly to the set disposed on the uppermost layer, and the moving speed of the aqueous solution becomes slower toward the lower layer. This is also the rate of discharge of aqueous solution. That is, due to the fluctuation of the flow rate, the desorption rate of anions and cations in each set is changed, and the adsorption rate and adsorption amount are also changed. Sufficient adsorption is achieved in a set with a slow flow rate, but in a set with a high flow rate, sufficient adsorption can not be achieved and an aqueous solution can be discharged. Furthermore, when the set is changed, the amount of adsorption of the positive ion and the negative ion is different from each other, so it is difficult to replace all the sets at once, and it is troublesome to replace the set one by one.

However, in the present invention, the inlet port 111 is formed in the lower portion of the main body 1 and the outlet port 112 is formed in the upper center of the main body 1, thereby minimizing the deviation in the flow rate of the aqueous solution, The deviation of the desorption rate, the adsorption rate and the adsorption amount of the positive and negative ions can be minimized, and furthermore, the positive and negative ions can be adsorbed evenly in each set.

Hereinafter, the operation of the desalination module using the fabric electrode according to the embodiment of the present invention will be described with reference to the accompanying drawings.

The positive electrode is connected to the first electrode rod 61 and the negative electrode is connected to the second electrode rod 62, and then the aqueous solution is injected into the inlet 111 after power is applied.

When the aqueous solution is injected through the inlet 111, the aqueous solution permeates into the spacer 4 through the passage W. [

The aqueous solution impregnated with the spacer 4 is collected at the center of the spacer 4 and discharged through the discharge hole 23 of the first fabric electrode 2 and the discharge port 112 of the upper body 11.

At this time, the anions contained in the aqueous solution pass through the anion exchange membrane 51 and are adsorbed on the adsorption part 22 of the first fabric electrode 2, and the cations pass through the cation exchange membrane 52 to the second fabric electrode 3, .

If the ions are saturated in the first cloth electrode 2 and the second cloth electrode 3 and no further adsorption takes place, a reverse voltage is applied to the first electrode rod 61 and the second electrode rod 62.

Accordingly, the anion adsorbed on the first fabric electrode 2 is removed from the first fabric electrode 2, and the separated anion passes through the anion exchange membrane 51 and is mixed with the aqueous solution. Similarly, the desorbed cation passes through the cation exchange membrane 52 and is mixed with the aqueous solution.

The aqueous solution containing the separated anions and cations is condensed and discharged through the discharge port 112.

A reverse voltage is applied to the first electrode rod 61 and the second electrode rod 62 to adsorb ions contained in the aqueous solution.

By repeating the above process, the ions contained in the aqueous solution can be continuously adsorbed.

Therefore, in the present invention, the first fabric electrode, the second fabric electrode, the ion exchange membrane, and the spacer are deformed by an external force, so that the overall area can be reduced while widening the processing area. In addition, by forming the current collector with the conductive fiber, it is possible to prevent the electrode from being torn or broken, and more aqueous solution can be desorbed per unit time, and various forms can be produced.

In describing the present invention described above, the same reference numerals are used for the same configurations even if the embodiments are different, and the description thereof may be omitted if necessary.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Shall not be construed as being understood. Therefore, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. The present invention is not limited thereto.

One; main body
11; The upper body
111; Inlet
112; outlet
113; The first curved surface
114; The first coupling ball
115; Terminal hole
12; The lower body
121; The second curved surface
122; The second coupling ball
123; Fixing groove
13; Gasket
2; The first fabric electrode
21; Whole house
22; Absorption portion
23; Discharge hole
3; The second fabric electrode
4; Spacer
5; Ion exchange membrane
51; Anion exchange membrane
52; Cation exchange membrane
6; Terminal portion
61; The first electrode
62; The second electrode
7; Terminal block
8; Diaphragm
P; packing
W; Passage

Claims (7)

A main body including an upper body and a lower body, wherein the upper body and the lower body are sealed, and an inlet and an outlet are formed;
A first fabric electrode disposed inside the body and disposed adjacent to a bottom surface of the upper body and deformed in shape when an external force is applied;
A second fabric electrode disposed inside the main body and disposed adjacent to an upper surface of the lower main body and deformed in shape when an external force is applied;
A spacer disposed between the first fabric electrode and the second fabric electrode and deformed in shape when an external force is applied; And
And a terminal portion electrically connected to the first fabric electrode and the second fabric electrode, one end of which is disposed inside the main body and the other end of which protrudes to the outside of the main body,
When an aqueous solution is injected into the inlet, the spacers are radially injected. When electricity is applied to the terminal, anions and cations contained in the injected aqueous solution are separated, and separated anions and cations are separated from the first fabric electrode and the second Characterized in that the treatment water adsorbed on the fabric electrode and having the anions and cations separated from the aqueous solution is discharged through the discharge port
Desalination module device using fabric electrode.
The method according to claim 1,
Wherein the outlet port is formed at the center of the main body, and at least four inlet ports are formed in the periphery of the main body
Desalination module device using fabric electrode.
The method according to claim 1,
The inlet
Is formed in a direction opposite to the discharge port
Desalination module device using fabric electrode.
The method according to claim 1,
At least one of the first fabric electrode and the second fabric electrode,
A current collector formed of conductive fibers; And
And an adsorbing portion coated on an outer surface of the current collector, the adsorbing portion containing activated carbon and adsorbing cations and anions
Desalination module device using fabric electrode.
The method according to claim 1,
Wherein the upper body and the lower body are formed of a metal,
One surface of the joining surface is formed to be bent,
The first fabric electrode, the second fabric electrode, and the spacer are deformed corresponding to the bending, and the surface area of the first fabric electrode and the second fabric electrode is widened so that a larger amount of anions and cations can be adsorbed Characterized in that
Desalination module device using fabric electrode.
The method according to claim 1,
And an ion exchange membrane disposed at least either between the first fabric electrode and the spacer or between the spacer and the second fabric electrode,
Characterized in that the ion exchange membrane passes only either the anion or the cation
Desalination module device using fabric electrode.
The method according to claim 1,
And a terminal block connected to the terminal portion, the first cloth electrode, the terminal portion, and the second cloth electrode,
And electricity supplied to the terminal portion is uniformly supplied to the first fabric electrode and the second fabric electrode through the terminal block
Desalination module device using fabric electrode.

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