Electrolytic bath

Abstract

The utility model discloses an electrolytic bath, which comprises a bath body (1) and a diaphragm (2) arranged in the bath body (1), the diaphragm (2) divides the inner cavity of the bath body (1) into two electrode chambers (10), an electrode plate (3) is arranged in each electrode chamber (10), and the electrolytic bath is characterized in that the diaphragm (2) is transversely arranged. Compared with the prior art, the electrolytic bath disclosed by the utility model is convenient to transport or store and can generate strong alkaline electrolyzed water with a higher pH value and a larger amount through long-time standing electrolysis.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolytic equipment, in particular to an electrolytic cell. Background Art

[0002] The electrolytic cell consists of a cell body, an anode and a cathode. Most of them use an ion exchange membrane (also called a diaphragm) to separate the anode chamber from the cathode chamber. When direct current passes through the electrolytic cell, an oxidation reaction occurs at the interface between the anode and the solution, and a reduction reaction occurs at the interface between the cathode and the solution to produce electrolyzed water.

[0003] The electrolytic cell is divided into a flow-through electrolytic cell and a static electrolytic cell: the flow-through electrolytic cell electrolyzes the flowing water / electrolyte solution and discharges the required strong alkaline electrolyzed water immediately at the water outlet of the cathode chamber. For details, please refer to the Chinese patent application number CN202321915040.X previously applied by the applicant, "An Electrolytic Cell"; the static electrolytic cell produces high-pH strong alkaline electrolyzed water by static continuous electrolysis, and can prepare alkaline water of different concentrations, i.e., pH values, according to the electrolysis time. For details, please refer to the Chinese patent application number CN202222196792.7 previously applied by the applicant, "A Circulating Electrolysis System".

[0004] The overflow electrolyzer has the following problems:

[0005] (1) The electrolysis time is short, the pH value of the effluent is low, and the effluent volume is limited;

[0006] (2) The preparation of strongly alkaline electrolyzed water requires the addition of electrolytes. Conventional over-current electrolytic cells use a method of immediately introducing electrolytes into the anode chamber, which not only produces wastewater but also requires a continuous supply of electrolytes, which is not conducive to household use.

[0007] Compared with the overflow electrolyzer, the advantages of the static electrolyzer are:

[0008] (1) The static tank has a large volume, a large water output, and can achieve different water preparation by adjusting the volume;

[0009] (2) Static electrolysis of a large amount of high-concentration electrolyte reduces the frequency of electrolyte addition, and no wastewater is discharged during electrolysis;

[0010] (3) Compared with the overcurrent type, due to the accumulation of time, as the electrolysis continues, the alkaline water concentration in the cathode chamber increases, the conductivity increases, the system resistance decreases, and the power of the whole machine will be lower than that of the overcurrent type.

[0011] Compared with the overflow electrolyzer, the disadvantages of the static electrolyzer are:

[0012] (1) The diaphragm (ion exchange membrane), the core component of alkaline electrolyzed water preparation, is a special polymer membrane that needs to be immersed in liquid at all times, otherwise it will fail. Conventional static electrolyzers are large in size, and often require more diaphragm immersion liquid, which is not conducive to the transportation or storage of electrolyzers;

[0013] (2) The ion exchange membrane is a flexible material and is easily deformed by the imbalance of water pressure on both sides, which affects the electrolysis effect and even contacts the electrode sheet, causing dry burning;

[0014] (3) The cathode chamber of the static electrolytic cell produces alkaline electrolyzed water. The calcium and magnesium ions in the water easily combine with hydroxide ions to form scale. If scale accumulates on the diaphragm and electrode sheets, it will affect the electrolysis effect and even make the electrolysis ineffective. Utility Model Content

[0015] The first technical problem to be solved by the utility model is to provide an electrolytic cell which is convenient for transportation or storage and can produce a higher pH value and a larger amount of strongly alkaline electrolyzed water by long-term static electrolysis in view of the current status of the prior art.

[0016] The second technical problem to be solved by the utility model is to provide an electrolytic cell capable of ensuring that the water pressure on both sides of the diaphragm is always balanced.

[0017] The third technical problem to be solved by the utility model is to provide an electrolytic cell in which scale is not easily accumulated on the diaphragm and the electrode sheet.

[0018] The technical solution adopted by the utility model to solve the above-mentioned first technical problem is: an electrolytic cell, including a cell body and a diaphragm arranged in the cell body, the diaphragm divides the inner cavity of the cell body into two electrode chambers, each electrode chamber is provided with an electrode sheet, and is characterized in that: the diaphragm is arranged horizontally.

[0019] The horizontal arrangement here is used to distinguish it from the vertical arrangement. It is not limited to horizontal arrangement, and can also have a certain angle with the horizontal plane.

[0020] In order to further solve the above second technical problem, the tank body comprises

[0021] A first groove portion, wherein the diaphragm is disposed in the first groove portion and divides the inner cavity of the first groove portion into a first main cavity located above the diaphragm and a second main cavity located below the diaphragm;

[0022] a second groove portion connected to the top of the first groove portion, wherein a first expansion cavity is formed inside the second groove portion, the first expansion cavity is communicated with the first main cavity, and together they constitute one of the electrode chambers; and

[0023] The third groove portion includes a base portion connected to the bottom of the first groove portion and an extension portion extending upward from one end of the base portion. A second extension cavity is formed inside the third groove portion. The second extension cavity is connected to the second main body cavity and together constitutes another electrode chamber.

[0024] In order to ensure that the water levels of the two electrode chambers are consistent when they are full of liquid, the top surface of the second groove portion is flush with the top surface of the extension portion.

[0025] In order to facilitate liquid inlet, liquid outlet and exhaust, a first opening communicating with the first expansion cavity is provided on the top wall of the second groove portion.

[0026] In order to facilitate liquid inlet, liquid outlet and air outlet, a second opening communicating with the second expansion cavity is provided on the top wall of the extension portion.

[0027] In order to further solve the third technical problem mentioned above, the two electrode chambers are respectively recorded as cathode chamber and anode chamber, the electrode chamber composed of the second extension chamber and the second main chamber is the cathode chamber, and the electrode chamber composed of the first extension chamber and the first main chamber is the anode chamber.

[0028] In order to further prevent scale from accumulating on the electrode sheet, the electrode sheet in the cathode chamber is recorded as a cathode sheet, which is arranged in the second main body cavity, and the electrode sheet in the anode chamber is recorded as an anode sheet, which is arranged in the first main body cavity.

[0029] In order to facilitate the processing of the third groove portion, the third groove portion is L-shaped as a whole.

[0030] Preferably, the diaphragm is arranged horizontally.

[0031] Preferably, the electrode sheet is parallel to the diaphragm.

[0032] Compared with the prior art, the advantages of the utility model are:

[0033] (1) By placing the diaphragm horizontally, on the one hand, when it is placed on the shelf, the liquid required for the diaphragm to be soaked is reduced, which facilitates the transportation and storage of the electrolytic cell. On the other hand, when it is used, the electrode chamber is filled with liquid, and a higher pH value and a larger amount of strongly alkaline electrolyzed water can be produced by long-term static electrolysis;

[0034] (2) By setting the cathode chamber and the anode chamber at the same height, the water level is level when full, so that the water pressure on both sides of the diaphragm is consistent, preventing the diaphragm from deforming;

[0035] (3) By designing the cathode chamber (alkaline electrolyzed water generation chamber) at the bottom, impurities such as scale are deposited at the bottom of the tank instead of on the diaphragm and electrode sheets, which affects the electrolysis effect and life, and ensures that the supernatant is clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the electrolytic cell of the utility model;

[0037] Figure 2 for Figure 1 Longitudinal cross-sectional view of . DETAILED DESCRIPTION

[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0039] In the specification and claims of the present invention, terms indicating directions, such as "front", "rear", "up", "down", "left", "right", "side", "top", "bottom", etc., are used to describe various exemplary structural parts and elements of the present invention, but these terms are used here only for the purpose of convenience of description and are determined based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in the present invention can be arranged in different directions, these terms indicating directions are only used as explanations and should not be regarded as limitations. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

[0040] like Figure 1 to Figure 2 FIG. 1 is a preferred embodiment of the electrolytic cell of the utility model. The electrolytic cell comprises a cell body 1 , a diaphragm 2 and an electrode sheet 3 .

[0041] The slot body 1 includes a first slot portion 11 , a second slot portion 12 and a third slot portion 13 .

[0042] Specifically, the first groove portion 11 is cylindrical and arranged vertically, and is formed by two cylinders assembled up and down by fasteners;

[0043] The second groove portion 12 is connected to the top of the first groove portion 11, and a first expansion cavity 120 is formed inside the second groove portion 12; a first opening 121 that is connected to the first expansion cavity 120 is formed on the top wall of the second groove portion 12;

[0044] The third groove portion 13 is L-shaped as a whole, including a base portion 131 connected to the bottom of the first groove portion 11 and an extension portion 132 extending upward from one end of the base portion 131. The top surface of the second groove portion 12 is flush with the top surface of the extension portion 132. A second expansion cavity 130 is formed inside the third groove portion 13. A second opening 1321 that communicates with the second expansion cavity 130 is opened on the top wall of the extension portion 132.

[0045] The diaphragm 2 is a cation exchange membrane, which is horizontally arranged in the inner cavity of the above-mentioned first groove portion 11, and the periphery of the diaphragm 2 is clamped between the two opposite end surfaces of the above-mentioned two cylinders. The number of the above-mentioned diaphragm 2 is one piece, which divides the inner cavity of the first groove portion 11 into a first main cavity 110a located above the diaphragm 2 and a second main cavity 110b located below the diaphragm 2; the above-mentioned first extension cavity 120 is connected with the first main cavity 110a, and together they constitute one of the electrode chambers 10, which is recorded as the anode chamber 10b; the above-mentioned second extension cavity 130 is connected with the second main cavity 110b, and together they constitute another electrode chamber 10, which is recorded as the cathode chamber 10a.

[0046] The number of electrode sheets 3 is one pair, which are respectively recorded as cathode sheet 3a and anode sheet 3b. The cathode sheet 3a is horizontally arranged in the second main cavity 110b and close to the diaphragm 2, and the anode sheet 3b is basically vertically arranged in the first main cavity 110a and close to the diaphragm 2.

[0047] The working principle of this embodiment is as follows:

[0048] (1) When the diaphragm 2 is placed horizontally, soft water is placed in the middle and lower part of the first groove 11 and the middle and lower part of the third groove 13 as the diaphragm infiltration protection bottom liquid, which is convenient for transportation or storage of the electrolytic cell and solves the problem that conventional static electrolytic cells require a large amount of infiltration liquid;

[0049] (2) When in use, soft water and a high-concentration electrolyte solution can be added to the second tank body 12 and the second tank body 13 respectively, and the cathode sheet 3a and the anode sheet 3b are energized, so that a reduction reaction occurs at the interface between the cathode sheet 3a and the solution, and an oxidation reaction occurs at the interface between the anode sheet 3b and the solution, so as to produce electrolyzed water;

[0050] First, the arrangement of the first expansion chamber 120 and the second expansion chamber 130 expands the volume of the electrode chamber 10. The static electrolytic cell of the present application can produce a higher pH value and a larger amount of strongly alkaline electrolyzed water by long-term static electrolysis. The anode chamber 10b does not need to frequently add electrolytes, no wastewater is discharged during electrolysis, and the power required for electrolysis is low, which solves the problem of conventional overcurrent tanks.

[0051] Second, by setting the cathode chamber 10a and the anode chamber 10b to the same height, the water level is level when full of liquid, so that the water pressure on both sides of the diaphragm 2 is consistent, preventing the diaphragm 2 from deforming;

[0052] Third, the cathode chamber 10a (alkaline electrolyzed water generation chamber) is designed to be at the bottom, so that impurities such as scale are deposited at the bottom of the tank body 1 instead of being deposited on the diaphragm 2 and the electrode sheet 3, which affects the electrolysis effect and life, and ensures that the supernatant is clear.

Claims

1. An electrolytic cell, comprising a cell body (1) and a diaphragm (2) arranged in the cell body (1), wherein the diaphragm (2) divides the inner cavity of the cell body (1) into two electrode chambers (10), each electrode chamber (10) being provided with an electrode sheet (3), characterized in that: The diaphragm (2) is arranged transversely.

2. The electrolytic cell according to claim 1, characterized in that: The tank body (1) comprises A first groove portion (11), wherein the diaphragm (2) is disposed in the first groove portion (11), and the inner cavity of the first groove portion (11) is divided into a first main cavity (110a) located above the diaphragm (2) and a second main cavity (110b) located below the diaphragm (2); a second groove portion (12) connected to the top of the first groove portion (11), wherein a first expansion cavity (120) is formed inside the second groove portion (12), wherein the first expansion cavity (120) is connected to the first main cavity (110a), and together they constitute one of the electrode chambers (10); and The third groove portion (13) includes a base portion (131) connected to the bottom of the first groove portion (11) and an extension portion (132) extending upward from one end of the base portion (131). A second extension cavity (130) is formed inside the third groove portion (13). The second extension cavity (130) is connected to the second main cavity (110b) and together constitutes another electrode chamber (10).

3. The electrolytic cell according to claim 2, characterized in that: The top surface of the second groove portion (12) is flush with the top surface of the extension portion (132).

4. The electrolytic cell according to claim 2, characterized in that: A first opening (121) communicating with the first expansion cavity (120) is provided on the top wall of the second groove portion (12).

5. The electrolytic cell according to claim 2, characterized in that: A second opening (1321) communicating with the second expansion cavity (130) is provided on the top wall of the extension portion (132).

6. The electrolytic cell according to claim 2, characterized in that: The two electrode chambers (10) are respectively referred to as the cathode chamber (10a) and the anode chamber (10b); the electrode chamber (10) formed by the second extension chamber (130) and the second main chamber (110b) is the cathode chamber (10a); and the electrode chamber (10) formed by the first extension chamber (120) and the first main chamber (110a) is the anode chamber (10b).

7. The electrolytic cell according to claim 6, characterized in that: The electrode sheet (3) in the cathode chamber (10a) is recorded as a cathode sheet (3a), and the cathode sheet (3a) is arranged in the second main body cavity (110b); the electrode sheet (3) in the anode chamber (10b) is recorded as an anode sheet (3b), and the anode sheet (3b) is arranged in the first main body cavity (110a).

8. The electrolytic cell according to claim 2, characterized in that: The third groove portion (13) is L-shaped as a whole.

9. The electrolytic cell according to any one of claims 1 to 8, characterized in that: The diaphragm (2) is arranged horizontally.

10. The electrolytic cell according to any one of claims 1 to 8, characterized in that: The electrode sheet (3) is parallel to the diaphragm (2).

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