CN215976069U

CN215976069U - Tubular electrolytic tank for preparing electrolyzed water

Info

Publication number: CN215976069U
Application number: CN202122356741.1U
Authority: CN
Inventors: 王大立
Original assignee: Jinan Feilan Water Treatment Equipment Co ltd
Current assignee: Jinan Feilan Water Treatment Equipment Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-03-08
Anticipated expiration: 2031-09-27

Abstract

The application discloses a tubular electrolytic tank for preparing electrolyzed water, which belongs to the technical field of electrolyzed water and comprises a first cover body, a second cover body, a first pipe body, a second pipe body and a diaphragm; the diaphragm is of a hollow tubular structure, is arranged between the first pipe body and the second pipe body, and is sleeved on the periphery of the second pipe body; the first cover body and the second cover body are respectively provided with corresponding step through hole structures, the diameters of the step through holes are sequentially reduced from outside to inside to form a plurality of steps, the first pipe body and the diaphragm are respectively pressed between the steps of the first cover body and the second cover body, and the second pipe body penetrates through the first cover body and the second cover body; a first sealed cavity is formed between the first pipe body and the diaphragm, and a second sealed cavity is formed between the diaphragm and the second pipe body. Through setting up first lid and second lid for ladder through-hole structure, first body and diaphragm crimping are between the ladder, and the laminating of second body and through-hole wall for the leakproofness of whole electrolysis trough is excellent, and the pressure resistance is strong.

Description

Tubular electrolytic tank for preparing electrolyzed water

Technical Field

The application relates to a tubular electrolytic tank for preparing electrolyzed water, belonging to the technical field of electrolyzed water.

Background

The current technology for preparing acidic and alkaline electrolyzed water is to flow electrolyte (sodium chloride solution and/or hydrochloric acid solution) with proper concentration into an electrolytic cell for electrolysis, the chlorine ions lose electrons on the anode side to generate chlorine, the chlorine reacts with water to generate hypochlorous acid and hydrochloric acid, and then the acidic electrolyzed water with strong sterilization and disinfection effects flows out on the anode side; on the cathode side H⁺After the electrons are obtained, the two electrons are combined into hydrogen molecules, hydrogen is discharged from the cathode, the ionization balance of nearby water is destroyed, and OH near the cathode^-A large increase in the amount of sodium hydroxide produced in the solution.

At present, plate type electrolytic cells are mainly used for electrolysis in the prior art, and acidic electrolyzed water is utilized. Chinese patent CN213172617U, a box-shaped electrolytic cell with a sealing cover, is used in an electrolytic cell for producing hypochlorous acid disinfectant, and mainly solves the technical problems that the sealing cover blocks the emission of chlorine and protects the personal safety. However, both such cells and plate cells suffer from the following problems: 1. the sealing performance and the pressure resistance are poor, the pressure borne by a common plate type electrolytic cell is not more than 1 kilogram of force, and leakage and equipment damage can be caused by overlarge hydraulic pressure; 2. supporting frameworks are required to be arranged between the anode electrode and the diaphragm and between the cathode electrode and the diaphragm, so that the effective areas of the anode electrode and the diaphragm are occupied in a large proportion, the utilization rates of the anode electrode and the diaphragm are reduced, and the production efficiency of the electrolytic cell is influenced; 3. the plate structure is easy to deform, so that liquid leakage is caused, and the service life of the plate structure is shortened; 4. the sealing element has long length, large quantity, complex structure, non-universality and volatile effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the application provides a tubular electrolytic cell for preparing electrolyzed water, which adopts a step through hole structure by arranging a first cover body and a second cover body, wherein a first pipe body and a diaphragm are pressed between steps, and a second pipe body is attached to a step wall, so that the whole electrolytic cell has excellent sealing property and strong pressure resistance.

According to one aspect of the present application, there is provided a tubular electrolytic cell for producing electrolyzed water, including a first cover, a second cover, a first pipe, a second pipe, and a diaphragm; the diaphragm is of a hollow tubular structure, the diaphragm is arranged between the first pipe body and the second pipe body, and the first pipe body is sleeved on the periphery of the second pipe body;

the first cover body and the second cover body are respectively provided with corresponding stepped through hole structures, the diameters of the stepped through holes are sequentially reduced from outside to inside to form a plurality of steps, the first pipe body and the diaphragm are respectively pressed between the steps of the first cover body and the second cover body, and the second pipe body penetrates through the first cover body and the second cover body; a first sealed cavity is formed between the first pipe body and the diaphragm, and a second sealed cavity is formed between the diaphragm and the second pipe body.

Optionally, the first tube body is an anode tube, the second tube body is a cathode tube, the first sealed cavity is an anode cavity, and the second sealed cavity is a cathode cavity. The first pipe body with the largest diameter is used as the anode pipe, so that the contact area of the anode and the electrolyte is increased, the electrolysis current is increased under the same current density, the yield of the electrolyzed water is increased, and more hypochlorous acid disinfectant can be obtained.

Optionally, the first cover body is provided with a first liquid inlet and a second liquid inlet, the first liquid inlet is communicated with the anode cavity, the second liquid inlet is communicated with the cathode cavity, and the electrolyte is added to the anode chamber and the cathode chamber through the first liquid inlet and the second liquid inlet respectively.

Optionally, the second cover body is provided with a first liquid outlet and a second liquid outlet, the first liquid outlet is communicated with the anode cavity, acidic electrolyzed water generated by electrolysis in the anode cavity is output through the first liquid outlet, the second liquid outlet is communicated with the cathode cavity, and alkaline electrolyzed water generated by electrolysis in the cathode cavity is output through the second liquid outlet.

The first cover body is a lower cover body, the second cover body is an upper cover body, the anode tube is arranged at the outermost periphery, the cathode tube is arranged at the center, the diaphragm is arranged between the anode tube and the cathode tube, and a certain space distance is reserved between the anode tube and the cathode tube.

Optionally, the first cover body and the second cover body are both arranged in a four-step through hole structure, the first step, the second step, the third step, the fourth step and the through hole are sequentially arranged from outside to inside, the anode tube is in a pressed connection with the first step, the diaphragm is in a pressed connection with the third step, and the cathode tube is attached to the inner side wall of the through hole.

The first step is an anode tube step, the second step is an anode cavity step, the third step is a diaphragm step, the fourth step is a cathode cavity step, and the through hole is a cathode tube through hole.

Optionally, a first sealing ring is arranged between the first cover body and the anode tube and a second sealing ring is arranged between the second cover body and the cathode tube. The first sealing ring is an anode O-shaped ring, and the second sealing ring is a cathode O-shaped ring.

Optionally, the third step surface is provided with gaskets respectively crimped to the top and bottom of the diaphragm. The first sealing rings are arranged between the first cover body and the anode tube, the second sealing rings are arranged between the second cover body and the cathode tube, and the sealing rings can provide radial sealing tension for the side walls of the anode tube and the cathode tube so that the anode tube and the cathode tube are in compression joint with the ladder more tightly; through be provided with sealed the pad on the third step surface, with the top and the bottom crimping of diaphragm, make the diaphragm by the more firm of crimping, improve seal and stability.

Optionally, the fixing device further comprises a fixing assembly, wherein the fixing assembly comprises at least one fixing rod and at least one fixing screw.

Optionally, the first cover body and the second cover body are both provided with at least one connecting hole, and the fixing assembly connects and fixes the first cover body and the second cover body through the connecting hole. Through setting up fixed subassembly, with first lid and second lid fastening connection, provide axial pressure for whole tubular electrolysis trough's structure is firm, and the pressure-resistant ability is strong.

Optionally, the length of the cathode tube extends outside the second cover body. The length of the cathode tube is set to extend out of the second cover body, so that the cathode tube is convenient to take and place, and the whole electrolytic cell is convenient to disassemble and connect with the cathode of an external direct current power supply;

benefits that can be produced by the present application include, but are not limited to:

1. according to the tubular electrolytic cell for preparing the electrolyzed water, the first cover body and the second cover body are arranged to be of the stepped through hole structure, the first pipe body and the diaphragm are pressed between the steps, and the second pipe body is attached to the wall of the through hole, so that the whole electrolytic cell is excellent in sealing property and strong in pressure resistance; the whole electrolytic tank is of a cylindrical structure, the structure is stable, and the service life is long.

2. According to the tubular electrolytic tank for preparing the electrolytic water, the whole electrolytic tank is of a cylindrical structure, the structure is stable, and the service life is long; the anode tube with the largest diameter is used as the anode tube, the anode reaction area is increased, the electrolytic current is increased under the same current density, a support framework does not need to be arranged between the anode tube and the diaphragm or between the cathode tube and the diaphragm, the effective areas of the electrode and the diaphragm are fully utilized, the space cost and the economic cost are saved, and the yield of the electrolytic water is increased.

3. According to the tubular electrolytic tank for preparing the electrolyzed water, the anode O-shaped ring is arranged between the upper cover body and the anode tube, the cathode O-shaped ring is arranged between the lower cover body and the cathode tube, and the O-shaped ring can provide radial sealing tension for the side walls of the anode tube and the cathode tube, so that the anode tube and the cathode tube are clamped and connected with the ladder more tightly; the diaphragm sealing gasket is arranged on the surface of the diaphragm step and is clamped with the top and the bottom of the diaphragm, so that the diaphragm is clamped more stably, and the tightness and the stability are improved.

4. According to the tubular electrolytic cell for preparing the electrolytic water, the first cover body and the second cover body are tightly connected through the fixing assembly, so that the axial pressure is provided, the whole tubular electrolytic cell is stable in structure and strong in pressure resistance; the length of the cathode tube extends out of the second cover body so as to facilitate taking and placing of the cathode tube, and the whole electrolytic tank is convenient to disassemble due to the arrangement of the fixing screws and the arrangement of the length of the cathode tube.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic perspective view of a tubular electrolytic cell for producing electrolyzed water according to an embodiment of the present application;

FIG. 2 is a sectional view of a tubular electrolytic cell for producing electrolyzed water according to an embodiment of the present application;

fig. 3 is a schematic cross-sectional view of a first cover according to an embodiment of the present disclosure.

List of parts and reference numerals:

1. a first cover body; 2. a second cover body; 3. an anode tube; 4. a cathode tube; 5. a diaphragm; 6. an anode cavity; 7. a cathode cavity; 8. a first liquid inlet; 9. a second liquid inlet; 10. a first liquid outlet; 11. a second liquid outlet; 12. a first step; 13. a second step; 14. a third step; 15. a fourth step; 16. a first seal ring; 17. a second seal ring; 18. a gasket; 19. fixing the rod; 20. fixing screws; 21. an anode O-ring groove; 22. a cathode O-ring groove; 23. and a through hole.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 3, an embodiment of the present application discloses a tubular electrolytic cell for producing electrolyzed water, including a first cover 1, a second cover 2, a first pipe, a second pipe, and a diaphragm 5; the diaphragm 5 is of a hollow tubular structure, the diaphragm 5 is arranged between the first pipe body and the second pipe body, and the first pipe body is sleeved on the periphery of the second pipe body;

the first cover body 1 and the second cover body 2 are respectively provided with corresponding step through hole structures, the diameters of the step through holes are sequentially reduced from outside to inside to form a plurality of steps, the first pipe body and the diaphragm 5 are respectively pressed between the steps of the first cover body 1 and the second cover body 2, and the second pipe body penetrates through the first cover body 1 and the second cover body 2; a first sealed cavity is formed between the first pipe body and the diaphragm 5, and a second sealed cavity is formed between the diaphragm 5 and the second pipe body.

The utility model provides a tubular electrolysis trough for preparing brineelectrolysis, through setting up first lid 1 and second lid 2 for ladder through-hole structure, first body and 5 crimping of diaphragm are between the ladder, and the laminating of second body and ladder wall for whole electrolysis trough's leakproofness is excellent, and the pressure resistance is strong.

In one embodiment, the first tube is an anode tube 3, the second tube is a cathode tube 4, the first sealed cavity is an anode cavity 6, and the second sealed cavity is a cathode cavity 7. The first pipe body with the largest diameter is used as the anode pipe 3, so that the contact area between the anode and the electrolyte is increased, the electrolysis current is increased under the same current density, the yield of the electrolyzed water is increased, and more hypochlorous acid disinfectant can be obtained.

The first cover body 1 is a lower cover body, the second cover body 2 is an upper cover body, the anode tube 3 is arranged at the outermost periphery, the cathode tube 4 is arranged at the center, and a diaphragm is arranged between the anode tube and the cathode tube, and a certain space distance is reserved between the anode tube and the cathode tube.

Specifically, the anode tube 3 is connected to the anode of the external dc power supply, and the cathode tube 4 is connected to the cathode of the external dc power supply, and the connection method is not limited, and those skilled in the art can adjust the connection method according to the actual process. The material of the first cover 1 and the second cover 2 is not limited as long as it is not conductive, and preferably, the first cover 1 and the second cover 2 are made of plastic.

Further, the diaphragm 5 is a microporous diaphragm, so that the two types of electrolyzed water in the cathode chamber 7 and the anode chamber 6 do not cross-flow, specifically, the diaphragm may be an anionic diaphragm, a cationic diaphragm, a bipolar diaphragm or a microporous diaphragm, the material of the microporous diaphragm may be one of titanium, stainless steel, alumina, titania, silica, zirconia, tungsten oxide, silicon carbide, zircon and zeolite, and the pore diameter of the microporous diaphragm may be adjusted by a person skilled in the art according to actual process requirements, which includes but is not limited to the above manners.

As an implementation mode, the first cover body 1 is provided with a first liquid inlet 8 and a second liquid inlet 9, the first liquid inlet 8 is communicated with the anode cavity 6, the second liquid inlet 9 is communicated with the cathode cavity 7, and the electrolyte is respectively added into the anode chamber and the cathode chamber through the first liquid inlet 8 and the second liquid inlet 9.

As an implementation manner, the second cover body 2 is provided with a first liquid outlet 10 and a second liquid outlet 11, the first liquid outlet 10 is communicated with the anode cavity 6, acidic electrolyzed water generated by electrolysis in the anode cavity 6 is output through the first liquid outlet 10, the second liquid outlet 11 is communicated with the cathode cavity 7, and alkaline electrolyzed water generated by electrolysis in the cathode cavity 7 is output through the second liquid outlet 11.

Specifically, the electrolyte is sodium chloride solution, the alkaline electrolyzed water generated by electrolysis mainly contains sodium hydroxide, and the acidic electrolyzed water generated by electrolysis mainly contains hydrochloric acid and hypochlorous acid, wherein the hypochlorous acid is an effective sterilization and disinfection component.

In a preferred embodiment, the first cover 1 and the second cover 2 are each provided with a four-step through-hole structure including a first step 12, a second step 13, a third step 14, a fourth step 15, and a through-hole 23 in this order from the outside to the inside, the anode tube 3 is pressed against the first step 12, the separator 5 is pressed against the third step 14, and the cathode tube 4 is bonded to the inside wall of the through-hole 23.

The first step 12 is an anode tube step, the second step 13 is an anode cavity step, the third step 14 is a diaphragm step, the fourth step 15 is a cathode cavity step, and the through hole 23 is a cathode tube through hole.

Further, a first sealing ring 16 is arranged between each of the first cover body 1 and the second cover body 2 and the anode tube 3, and a second sealing ring 17 is arranged between each of the first cover body 1 and the second cover body 2 and the cathode tube 4. The first seal ring 16 is an anode O-ring and the second seal ring 17 is a cathode O-ring.

In a more preferred embodiment, the first cover 1 and the second cover 2 are provided with grooves adapted to the first sealing ring 16 and the second sealing ring 17, namely, an anode O-ring groove 21 and a cathode O-ring groove 22, for placing the first sealing ring 16 and the second sealing ring 17 to enhance the sealing strength.

In one embodiment, the surface of the third step 14 is provided with gaskets 18, which are respectively pressed against the top and bottom of the diaphragm 5. By arranging the first sealing ring 16 between the first cover body 1 and the second cover body 2 and the anode tube 3 and arranging the second sealing ring 17 between the first cover body 1 and the second cover body 2 and the cathode tube 4, the sealing rings can provide radial supporting force for the side walls of the anode tube 3 and the cathode tube 4, so that the anode tube 3 and the cathode tube 4 are pressed and connected with the ladder more tightly; by arranging the sealing gaskets 18 on the surface of the third step 14 and pressing the sealing gaskets with the top and the bottom of the diaphragm 5, the diaphragm 5 is pressed and pressed more firmly, and the tightness and the stability are improved.

Specifically, the first seal ring 16 and the second seal ring 17 are both commercially available O-rings, the seal gasket 18 is an O-ring, and the seal gasket 18, the first seal ring 16, and the second seal ring 17 are all made of rubber.

As an embodiment, a fixing assembly is further included, and the fixing assembly includes at least one fixing rod 19 and at least one fixing screw 20.

As an embodiment not shown, each of the first cover 1 and the second cover 2 is provided with at least one attachment hole, and the fixing assembly fixes the first cover 1 and the second cover 2 by attaching through the attachment holes. Through setting up fixed subassembly, with first lid 1 and second lid 2 fastening connection, provide axial pressure for the structure of whole tubular electrolysis trough is firm, and the pressure-resistant ability is strong.

In a preferred embodiment, the cathode tube 4 extends beyond the second cover 2 by the length thereof. The length of the cathode tube 4 is arranged to extend out of the second cover body 2, so that the cathode tube 4 can be conveniently taken and placed, and the whole electrolytic tank can be conveniently disassembled.

The tubular electrolytic tank for preparing the electrolytic water can bear 1MPa pressure which is far greater than 0.1MPa pressure of a plate type electrolytic tank, the anode reaction area is large, the yield of the acidic electrolytic water is large, the electrolytic efficiency is high, and the whole tubular electrolytic tank is convenient to disassemble and assemble.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A tubular electrolytic tank for preparing electrolyzed water is characterized by comprising a first cover body, a second cover body, a first pipe body, a second pipe body and a diaphragm;

the diaphragm is of a hollow tubular structure, the diaphragm is arranged between the first pipe body and the second pipe body, and the first pipe body is sleeved on the periphery of the second pipe body;

2. The tubular electrolyzer of claim 1 wherein the first tubular body is an anode tube, the second tubular body is a cathode tube, the first sealed chamber is an anode chamber and the second sealed chamber is a cathode chamber.

3. The tubular electrolytic cell for preparing electrolyzed water according to claim 2, wherein the first cover body is provided with a first liquid inlet and a second liquid inlet, the first liquid inlet is communicated with the anode cavity, the second liquid inlet is communicated with the cathode cavity, and the electrolyte is respectively added into the anode cavity and the cathode cavity through the first liquid inlet and the second liquid inlet.

4. The tubular electrolytic cell of claim 3, wherein the second cover defines a first outlet and a second outlet, the first outlet is in communication with the anode chamber, the electrolyzed acidic water produced by electrolysis in the anode chamber is output through the first outlet, the second outlet is in communication with the cathode chamber, and the electrolyzed alkaline water produced by electrolysis in the cathode chamber is output through the second outlet.

5. The tubular electrolytic cell according to claim 4, wherein the first cover and the second cover are each configured as a four-step through-hole structure having a first step, a second step, a third step, a fourth step and a through-hole in sequence from outside to inside, the anode tube is crimped on the first step, the diaphragm is crimped on the third step, and the cathode tube is attached to the inner side wall of the through-hole.

6. The tubular electrolytic cell according to claim 5 wherein a first sealing ring is disposed between each of the first cover and the second cover and the anode tube, and a second sealing ring is disposed between each of the first cover and the second cover and the cathode tube.

7. A tubular electrolysis cell for the production of electrolyzed water according to claim 6 wherein the third step surface is provided with gaskets crimped respectively to the top and bottom of the membrane.

8. The tubular electrolyzer cell for the preparation of electrolyzed water of claim 7 further comprising a fixing assembly comprising at least one fixing rod and at least one fixing screw.

9. The tubular electrolytic cell for producing electrolyzed water according to claim 8, wherein each of the first cover and the second cover is provided with at least one attachment hole, and the fixing assembly fixes the first cover and the second cover by attaching through the attachment holes.

10. A tubular electrolytic cell for producing electrolyzed water according to claim 9 wherein the length of said cathode tube extends outside said second cover.