Voltage detection column mounting structure and electrodialysis device

Abstract

The utility model discloses a voltage detection column mounting structure and an electrodialysis device, and belongs to the field of electrodialysis devices, the voltage detection column mounting structure comprises a water distribution plate provided with through holes; the electrode contact is positioned in the through hole; the first electrode part is sleeved in the electrode contact in a threaded manner; one end of the second electrode component penetrates through the electrode connector, one end of the second electrode component is connected into one end of the first electrode component in a threaded and sleeved mode, the other end of the second electrode component extends into the water distribution plate, and the outer diameter of the first electrode component is larger than that of the second electrode component. The technical effects of the utility model lie in that the device is not only simple to disassemble, but also enables the sealing performance between the voltage detection column and the water distribution plate to be good.

Description

TECHNICAL FIELD

[0001] The utility model relates to an electrodialysis device, especially to a voltage detection column mounting structure and an electrodialysis device. BACKGROUND

[0002] The electrodialysis device is a device for separating charged substances from a solution under the action of a direct current electric field based on electrochemical principles.

[0003] The membrane stack is an important component of the electrodialysis device. In order to facilitate real-time detection of the voltage of the membrane stack, a voltage detection column is generally arranged on the water distribution plate of the membrane stack. However, the related voltage detection column needs to be welded and polished during installation, which makes the disassembly and assembly complicated. In addition, the sealing performance between the related voltage detection column and the water distribution plate is poor, which easily leads to leakage of the solution in the membrane stack. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a voltage detection column mounting structure which is simple to disassemble and assemble and has good sealing performance between the voltage detection column and the water distribution plate. The utility model also aims to provide an electrodialysis device.

[0005] TECHNICAL SCHEME

[0006] A voltage detection column mounting structure comprises:

[0007] A water distribution plate is provided with a through hole.

[0008] An electrode connector is arranged in the through hole.

[0009] A first electrode component is threadedly connected to the electrode connector.

[0010] A second electrode component has one end passing through the electrode connector, one end of the second electrode component being threadedly connected to one end of the first electrode component, and the other end of the second electrode component extending into the water distribution plate. The outer diameter of the first electrode component is larger than that of the second electrode component.

[0011] Optionally, a first sealing strip is wound around the first electrode component, and the first electrode component is threadedly connected to the electrode connector through the first sealing strip.

[0012] Optionally, a sealing element is arranged between the end face of one end of the first electrode component and the electrode connector.

[0013] Optionally, a first threaded hole and a through hole are arranged in the electrode connector, the first threaded hole and the through hole are communicated with each other, one end of the second electrode component passes through the through hole, the first electrode component is screwed with the first threaded hole, and the diameter of the first threaded hole is larger than that of the through hole.

[0014] Optionally, a second threaded hole and a counterbore are arranged at two ends of the first electrode component respectively, and one end of the second electrode component is screwed with the second threaded hole.

[0015] Optionally, the electrode connector is made of plastic and is an integrally injection molded part.

[0016] Optionally, the electrode connector is adhered in the through hole of the water distribution plate by using glue.

[0017] Optionally, an electrode protection cap is threadedly sleeved on the other end of the first electrode component, and the electrode protection cap abuts against the water distribution plate.

[0018] Optionally, a second sealing tape is wound on one end of the second electrode component, and one end of the second electrode component is threadedly sleeved in one end of the first electrode component through the second sealing tape.

[0019] An electrodialysis device comprises an electrode voltage detection column mounting structure.

[0020] Advantages:

[0021] (1) Since the first electrode component is threadedly sleeved in the electrode connector, a first thread sealing is formed, the sealing performance is good, and the solution in the membrane stack is prevented from leaking; since the outer diameter of the first electrode component is larger than that of the second electrode component, the end surface of one end of the first electrode component is in large surface contact with the electrode connector, a second surface sealing is formed, the sealing performance is further good, and the solution in the membrane stack is further prevented from leaking.

[0022] (2) Since the first electrode component is threadedly sleeved in the electrode connector, and one end of the second electrode component is threadedly sleeved in one end of the first electrode component, the electrode voltage detection column formed by the first electrode component and the second electrode component is simple to disassemble and assemble, and does not need to be welded and polished. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 FIG. 1 is a schematic view of an electrode voltage detection column mounting structure according to an embodiment of the present application;

[0024] Figure 2 FIG. 2 is a partial view of the electrode voltage detection column mounting structure shown in FIG. 1; Figure 1 FIG. 3 is a partial view of the electrode voltage detection column mounting structure shown in FIG. 1;

[0025] Figure 3 is a partial view of the embodiment 1 of the utility model; Figure 2

[0026] Figure 4 is a structural schematic view of the electrode connector of the embodiment 1 of the utility model;

[0027] Figure 5 is a structural schematic view of the electrode connector of the embodiment 1 of the utility model;

[0028] Figure 6 is a structural schematic view of the first electrode part of the embodiment 1 of the utility model;

[0029] Figure 7 is a structural schematic view of the first electrode part of the embodiment 1 of the utility model;

[0030] Figure 8 is a structural schematic view of the second electrode part of the embodiment 1 of the utility model;

[0031] In the figure: 1, first electrode part; 11, second threaded hole; 12, counterbore; 2, second electrode part; 3, water distribution plate; 31, through hole; 4, electrode connector; 41, first threaded hole; 42, via hole; 5, electrode protection cap; 6, sealing element. DETAILED DESCRIPTION

[0032] In order to make the technical scheme of the utility model more clear, the utility model is further explained in detail below in combination with the drawings and specific embodiments.

[0033] Embodiment 1

[0034] As Figures 1-2 , the embodiment provides a voltage detection column installation structure, which comprises a water distribution plate 3, a through hole 31 is arranged on the water distribution plate 3; an electrode connector 4 in the through hole 31; a first electrode part 1 threadedly sleeved in the electrode connector 4; a second electrode part 2, one end of the second electrode part 2 passes through the electrode connector 4, one end of the second electrode part 2 is threadedly sleeved in one end of the first electrode part 1, the other end of the second electrode part 2 extends into the water distribution plate 3, and the outer diameter of the first electrode part 1 is greater than the outer diameter of the second electrode part 2.

[0035] ​Specifically, the water distribution plate 3 is used to carry the through hole 31, and the material of the water distribution plate 3 is preferably plastic; the electrode connector 4 is carried through the through hole 31 of the water distribution plate 3, and is used to carry the first electrode component 1 and the second electrode component 2, and the material of the electrode connector 4 is preferably plastic, and more preferably amorphous thermoplastic resin (i.e. UPVC), so that the material of the water distribution plate 3 and the material of the electrode connector 4 are the same, so that the expansion properties of the two are similar, thereby ensuring that the cooperation stability of the two is good, and when cooperating, the electrode connector 4 can be pushed into the through hole 31 of the water distribution plate 3, and the electrode connector 4 is rotated by a certain angle when being pushed in, so that the glue is uniformly distributed between the two, and there is no air hole, and the outer diameter of the electrode connector 4 ranges from 8mm to 15mm; the first electrode component 1 and the second electrode component 2 are used to jointly form a voltage detection column, and since the other end of the second electrode component 2 extends into the water distribution plate 3, the membrane stack voltage can be detected in real time, and since the first electrode component 1 is threadedly sleeved in the electrode connector 4, a first thread seal is formed, so that the sealing property is good, and the solution in the membrane stack is prevented from leaking; and since the outer diameter of the first electrode component 1 is larger than the outer diameter of the second electrode component 2, the end face of one end of the first electrode component 1 and the electrode connector 4 can realize larger surface contact, so that a second surface seal is formed, and the sealing property is further ensured, and the solution in the membrane stack is further prevented from leaking; since the first electrode component 1 is threadedly sleeved in the electrode connector 4, and one end of the second electrode component 2 is threadedly sleeved in one end of the first electrode component 1, the voltage detection column formed by the first electrode component 1 and the second electrode component 2 and the like can be easily disassembled, and does not need to be welded and polished; the length of the first electrode component 1 ranges from 18mm to 24mm, and the external thread of the first electrode component 1 preferably adopts NPT thread; and the second electrode component 2 preferably adopts a M2-5mm screw rod, and the length thereof ranges from 25mm to 50mm.

[0036] Further, as shown in FIG. 1, the water distribution plate 3 is provided with a through hole 31, and the electrode connector 4 is carried through the through hole 31 of the water distribution plate 3. Figures 1-2 Further, as shown in FIG. 1, the water distribution plate 3 is provided with a through hole 31, and the electrode connector 4 is carried through the through hole 31 of the water distribution plate 3.

[0037] Further, as shown in FIG. 1, the water distribution plate 3 is provided with a through hole 31, and the electrode connector 4 is carried through the through hole 31 of the water distribution plate 3. Figure 3 Further, as shown in FIG. 1, the water distribution plate 3 is provided with a through hole 31, and the electrode connector 4 is carried through the through hole 31 of the water distribution plate 3.

[0038] Further, as shown in FIG. 1, the water distribution plate 3 is provided with a through hole 31, and the electrode connector 4 is carried through the through hole 31 of the water distribution plate 3. Figures 3-5Further, the electrode connector 4 further comprises a first threaded hole 41 and a through hole 42, which are both arranged in the electrode connector 4, the first threaded hole 41 and the through hole 42 are in communication with each other, one end of the second electrode component 2 passes through the through hole 42, the first electrode component 1 is screwed with the first threaded hole 41, and the diameter of the first threaded hole 41 is larger than that of the through hole 42. Specifically, the thread in the first threaded hole 41 is preferably NPT thread; the through hole 42 and one end of the second electrode component 2 are preferably clearance fit.

[0039] Further, as shown in FIG. 1, the electrode connector 4 further comprises a first threaded hole 41 and a through hole 42, which are both arranged in the electrode connector 4, the first threaded hole 41 and the through hole 42 are in communication with each other, one end of the second electrode component 2 passes through the through hole 42, the first electrode component 1 is screwed with the first threaded hole 41, and the diameter of the first threaded hole 41 is larger than that of the through hole 42. Specifically, the thread in the first threaded hole 41 is preferably NPT thread; the through hole 42 and one end of the second electrode component 2 are preferably clearance fit. Figure 3 Figures 6-7 Further, the electrode connector 4 further comprises a second threaded hole 11 and a counterbore 12, which are both arranged at two ends of the first electrode component 1 respectively, one end of the second electrode component 2 is screwed with the second threaded hole 11. Specifically, the thread in the second threaded hole 11 is preferably NPT thread; the counterbore 12 is convenient for cooperating with the relevant rotating tool, thereby facilitating the screwing of the first electrode component 1 into the electrode connector 4, and the counterbore 12 is preferably a hexagonal counterbore.

[0040] Further, as shown in FIG. 1, the electrode connector 4 further comprises a second threaded hole 11 and a counterbore 12, which are both arranged at two ends of the first electrode component 1 respectively, one end of the second electrode component 2 is screwed with the second threaded hole 11. Specifically, the thread in the second threaded hole 11 is preferably NPT thread; the counterbore 12 is convenient for cooperating with the relevant rotating tool, thereby facilitating the screwing of the first electrode component 1 into the electrode connector 4, and the counterbore 12 is preferably a hexagonal counterbore. Figures 4-5 Further, as shown in FIG. 1, the electrode connector 4 is made of plastic, and the electrode connector 4 is an integrally injection molded part. Specifically, the integrally injection molded part is convenient for making the electrode connector 4 have good integrity.

[0041] Further, as shown in FIG. 1, the electrode connector 4 is made of plastic, and the electrode connector 4 is an integrally injection molded part. Specifically, the integrally injection molded part is convenient for making the electrode connector 4 have good integrity. Figures 2-3 Further, as shown in FIG. 1, the electrode connector 4 is made of plastic, and the electrode connector 4 is an integrally injection molded part. Specifically, the integrally injection molded part is convenient for making the electrode connector 4 have good integrity.

[0042] Further, as shown in FIG. 1, the electrode connector 4 is made of plastic, and the electrode connector 4 is an integrally injection molded part. Specifically, the integrally injection molded part is convenient for making the electrode connector 4 have good integrity. Figures 2-3 Further, as shown in FIG. 1, the electrode connector 4 further comprises an electrode protection cap 5, which is screwed on the other end of the first electrode component 1, and the electrode protection cap 5 abuts against the water distribution plate 3. Specifically, the electrode protection cap 5 is used for protection, and the material of the electrode protection cap 5 is preferably insulating material.

[0043] Further, as shown in FIG. 1, the electrode connector 4 further comprises a second sealing tape, which is wound around one end of the second electrode component 2, and one end of the second electrode component 2 is screwed into one end of the first electrode component 1 through the second sealing tape. Specifically, the second sealing tape is used to increase the sealing between one end of the second electrode component 2 and one end of the first electrode component 1, and the second sealing tape is preferably wound 3-4 turns around one end of the second electrode component 2. Figure 3

[0044] ​​The voltage detection column mounting structure of the embodiment specifically comprises the following mounting steps: step one, first apply glue to the through hole 31 of the water distribution plate 3 and the outside of the electrode connector 4, then push the electrode connector 4 into the through hole 31 of the water distribution plate 3, and rotate the electrode connector 4 by a certain angle when pushing; step two, threadedly connect one end of the second electrode component 2 to the second threaded hole 11 of one end of the first electrode component 1; step three, simultaneously screw the assembled first electrode component 1 and second electrode component 2 into the electrode connector 4, so that the first electrode component 1 is threadedly connected with the first threaded hole 41, and the second electrode component 2 passes through the through hole 42 until the other end of the second electrode component 2 extends into the water distribution plate 3; step four, threadedly connect the electrode protection cap 5 to the other end of the first electrode component 1, until the electrode protection cap 5 and the water distribution plate 3 abut; it should be noted that the sequence of step one and step two is not limited and can be interchanged.

[0045] The voltage detection column mounting structure of the embodiment is mounted on the BL3T-50-320 type electrodialysis device independently designed by the applicant, the number of membrane stacks is 8, and after the inspection is correct, the related equipment can normally operate, the salt water uses 6% lithium sulfate, the flow rates of the salt water, lye and acid solution are adjusted to about 15-25 m 3 / h, the extreme water uses 4% sodium hydroxide, and the flow rate is adjusted to about 5-6 m 3 / h, the pipeline pressure of the electrodialysis device is controlled between 0.05-0.07 mpa, after a period of operation, the voltage detection column mounting structure is ensured not to leak water, and the direct current voltage function is detected by setting the positive electrode of the multimeter to the positive electrode of the membrane stack and the negative electrode to the negative electrode of the membrane stack, and the measured voltage is 68V.

[0046] The embodiment also provides an electrodialysis device comprising the voltage detection column mounting structure of the embodiment.

[0047] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the patent range of the utility model. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A voltage detecting pole mounting structure characterized by comprising: It comprises: a water distribution plate (3) provided with a through hole (31); an electrode connector (4) located in the through hole (31); a first electrode component (1) threaded into the electrode connector (4); a second electrode component (2) with one end threaded into the electrode connector (4) and the other end extending into the water distribution plate (3), the outer diameter of the first electrode component (1) being larger than that of the second electrode component (2).

2. The voltage detection post mount structure of claim 1, wherein It further comprises a first sealing band wound around the first electrode component (1), the first electrode component (1) being threaded into the electrode connector (4) through the first sealing band.

3. The voltage sensing post mounting structure of claim 1, wherein It further comprises a sealing element (6) located between the end face of one end of the first electrode component (1) and the electrode connector (4).

4. A voltage sensing post mounting structure according to any one of claims 1 to 3, wherein It further comprises a first threaded hole (41) and a via hole (42) both located in the electrode connector (4), the first threaded hole (41) and the via hole (42) being in communication with each other, one end of the second electrode component (2) passing through the via hole (42), the first electrode component (1) being threaded into the first threaded hole (41), the diameter of the first threaded hole (41) being larger than that of the via hole (42).

5. A voltage sensing post mounting structure according to any one of claims 1-3, wherein It further comprises a second threaded hole (11) and a counterbore (12) respectively located at both ends of the first electrode component (1), one end of the second electrode component (2) being threaded into the second threaded hole (11).

6. A voltage sensing post mounting structure according to any one of claims 1-3, wherein The material of the electrode connector (4) is plastic, and the electrode connector (4) is an integrally injection molded part.

7. A voltage sensing post mounting structure according to any one of claims 1-3, wherein The electrode connector (4) is glued into the through hole (31) of the water distribution plate (3).

8. A voltage sensing post mounting structure according to any one of claims 1-3, wherein It further comprises an electrode protection cap (5) threaded onto the other end of the first electrode component (1), the electrode protection cap (5) being in contact with the water distribution plate (3).

9. A voltage sensing post mounting structure according to any one of claims 1-3, wherein It further comprises a second sealing band wound around one end of the second electrode component (2), one end of the second electrode component (2) being threaded into one end of the first electrode component (1) through the second sealing band.

10. An electrodialysis unit, characterized in that It comprises a voltage detection column installation structure as claimed in any one of claims 1-9. It comprises a voltage detection column installation structure as claimed in any one of claims 1-9.

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