Electrolytic cell anode

Abstract

An electrolytic bath anode relates to the technical field of electrolytic bath appliances and comprises a base, the anode is inserted on the base, and the insertion end of the anode is provided with a conical expansion section. The problems that in the prior art, the anode corrosion rate is increased due to the high temperature of the base, the carbon content in prepared metal sodium is high, and the operation time of an electrolytic bath is short due to the short service life of the anode are solved.

Description

Technical Field

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

[0002] At present, the sodium metal products prepared by the sodium metal industry's preparation process contain relatively high levels of impurities such as calcium and carbon. The subsequent processing and impurity removal of high-end sodium products is difficult and costly. At the same time, during the ternary electrolysis process, changes in the electrolyte ratio lead to higher electrolytic cell temperatures and increased comprehensive energy consumption per unit of sodium metal product, which is inconsistent with the national policy requirements for energy conservation and emission reduction, as well as the achievement of the dual carbon management goals of "carbon peak and carbon neutrality".

[0003] As the existing devices are used, the shortcomings of the technology are gradually exposed, mainly in the following aspects:

[0004] First, during the electrolysis of metallic sodium, the high temperature of the base causes the anode corrosion rate to accelerate, the carbon content in the prepared metallic sodium is relatively high, and the short service life of the anode leads to a short operating time of the electrolytic cell.

[0005] Second, the lower end of the anode of the original electrolytic cell is fixed to the base of the electrolytic cell by a positioning pin, and the contact part between the anode and the base is cylindrical. The average life of this type of anode is 24 months during use. The anode and electrolytic cell equipment need to be replaced regularly, resulting in excessively high costs. At the same time, production stoppages cause production delays and low production efficiency.

[0006] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0007] In view of the defects in the prior art, the utility model solves the problems in the traditional technology that the high base temperature leads to accelerated anode corrosion rate, the high carbon content in the prepared metallic sodium, and the short service life of the anode leads to short operation time of the electrolytic cell.

[0008] In order to solve the above problems, the utility model provides the following technical solutions:

[0009] The electrolytic cell anode comprises a base, on which the anode is inserted, and an insertion end of the anode is provided with a conical expansion section.

[0010] As an optimized solution, the small diameter end of the expansion section is arranged downward and is connected with a cylindrical section.

[0011] As an optimized solution, a structural cavity is provided in the base.

[0012] As an optimized solution, the upper surface of the base is provided with an insertion slot recessed into the structural cavity, the insertion slot matches the insertion end of the anode, and the anode is inserted into the insertion slot.

[0013] As an optimized solution, a corrugated baffle is provided in the structural cavity.

[0014] As an optimized solution, the corrugated baffles are arranged in a cross shape in a top view.

[0015] As an optimized solution, a refrigerant inlet and a refrigerant outlet connected to the structural cavity are fixedly connected to the base.

[0016] As an optimized solution, two refrigerant inlets and two refrigerant outlets are respectively provided opposite to each other.

[0017] As an optimized solution, the diameter of the large diameter end of the expansion section is 25 mm larger than that of the cylindrical section.

[0018] As an optimized solution, four insertion slots are evenly distributed along the center of the base.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] Prolong the service life of anodes, reduce the frequency of equipment replacement, and save investment in purchasing equipment;

[0021] The increased service life of the anode can also save labor costs;

[0022] The increase in the service life of the anode can extend the service life of the electrolyzer and increase production capacity;

[0023] The insertion end of the anode is tapered to reduce the possibility of anode breakage;

[0024] The maximum diameter of the anode insertion end is increased by 25mm, the anti-corrosion period is extended, and the service life of the anode is increased.

[0025] After this technical solution modification, the tank replacement time was extended by 6 months, and the production capacity of each tank increased by about 140 tons;

[0026] The base structure is designed and innovated, and the base of the electrolytic cell is designed to be a ladder-shaped structure to match the anode, thereby increasing the cavity volume at the bottom of the electrolytic cell and thus increasing the flux of the cold fluid;

[0027] At the same time, a special baffle is added inside the cavity of the base to change the flow form of the cold fluid from laminar flow to turbulent flow, thereby enhancing the value of the fluid Reynolds number Re of the cold fluid inside the cavity, thereby enhancing the heat exchange efficiency between the cold fluid and the heat conductor inside the cavity, and ultimately achieving controllable temperature of the electrolytic cell and the temperature of the electrolytic cell base. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0029] Figure 1 It is a schematic diagram of the structure of the utility model;

[0030] Figure 2 for Figure 1 Schematic diagram of the cross section of the middle base along the AA direction;

[0031] Figure 3 It is a structural schematic diagram of the anode of the utility model.

[0032] In the figure: 1-base; 2-insertion slot; 3-corrugated baffle; 4-refrigerant inlet; 5-refrigerant outlet; 6-anode; 7-expansion section; 8-cylindrical section; 9-structural cavity. DETAILED DESCRIPTION

[0033] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0034] like Figures 1 to 3 As shown, the electrolytic cell anode comprises a base 1, on which an anode 6 is inserted, and an insertion end of the anode 6 is provided with a conical expansion section 7.

[0035] The small diameter end of the expansion section 7 is arranged downward and is connected to the cylindrical section 8 .

[0036] A structural cavity 9 is provided in the base 1 .

[0037] An insertion slot 2 recessed into the structural cavity 9 is provided on the upper surface of the base 1 . The insertion slot 2 matches the insertion end of the anode 6 , and the anode 6 is inserted into the insertion slot 2 .

[0038] A corrugated baffle plate 3 is arranged in the structural cavity 9, and the corrugations of the corrugated baffle plate are on the outward side.

[0039] The corrugated baffles 3 are arranged in a cross shape in a top view.

[0040] A refrigerant inlet 4 and a refrigerant outlet 5 communicating with the structural cavity 9 are fixedly connected to the base 1 .

[0041] Two refrigerant inlets 4 and two refrigerant outlets 5 are provided opposite to each other.

[0042] The refrigerant may be cooling water or other cooling media.

[0043] The diameter of the large diameter end of the expansion section 7 is 25 mm larger than the diameter of the cylindrical section 8 .

[0044] There are four insertion slots 2 evenly distributed along the center of the base 1 .

[0045] The working principle of this device is:

[0046] Prolong the service life of anodes, reduce the frequency of equipment replacement, and save investment in purchasing equipment;

[0047] The increased service life of the anode can also save labor costs;

[0048] The increase in the service life of the anode can extend the service life of the electrolyzer and increase production capacity;

[0049] The insertion end of the anode is tapered to reduce the possibility of anode breakage;

[0050] The maximum diameter of the anode insertion end is increased by 25mm, the anti-corrosion period is extended, and the service life of the anode is increased.

[0051] After this technical solution modification, the tank replacement time was extended by 6 months, and the production capacity of each tank increased by about 140 tons;

[0052] The base structure is designed and innovated, and the base of the electrolytic cell is designed to be a ladder-shaped structure to match the anode, thereby increasing the cavity volume at the bottom of the electrolytic cell and thus increasing the flux of the cold fluid;

[0053] At the same time, a special baffle is added inside the cavity of the base to change the flow form of the cold fluid from laminar flow to turbulent flow, thereby enhancing the value of the fluid Reynolds number Re of the cold fluid inside the cavity, thereby enhancing the heat exchange efficiency between the cold fluid and the heat conductor inside the cavity, and ultimately achieving controllable temperature of the electrolytic cell and the temperature of the electrolytic cell base.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. An electrolytic cell anode, characterized in that: The invention comprises a base (1), an anode (6) is inserted into the base (1), and an insertion end of the anode (6) is provided with an expansion section (7) arranged in a conical shape.

2. The electrolytic cell anode according to claim 1, characterized in that: The small diameter end of the expansion section (7) is arranged downward and is connected to a cylindrical section (8).

3. The electrolytic cell anode according to claim 1, characterized in that: A structural cavity (9) is provided in the base (1).

4. The electrolytic cell anode according to claim 3, characterized in that: The upper surface of the base (1) is provided with an insertion slot (2) recessed into the structural cavity (9); the insertion slot (2) matches the insertion end of the anode (6); and the anode (6) is inserted into the insertion slot (2).

5. The electrolytic cell anode according to claim 3, characterized in that: A corrugated baffle (3) is arranged in the structural cavity (9).

6. The electrolytic cell anode according to claim 5, characterized in that: The corrugated baffles (3) are arranged in a cross shape in a top view direction.

7. The electrolytic cell anode according to claim 3, characterized in that: A refrigerant inlet (4) and a refrigerant outlet (5) which are connected to the structural cavity (9) are fixedly connected to the base (1).

8. The electrolytic cell anode according to claim 7, characterized in that: The refrigerant inlet (4) and the refrigerant outlet (5) are respectively provided with two opposite to each other.

9. The electrolytic cell anode according to claim 2, characterized in that: The diameter of the large diameter end of the expansion section (7) is 25 mm larger than that of the cylindrical section (8).

10. The electrolytic cell anode according to claim 4, characterized in that: Four of the insertion slots (2) are evenly distributed along the center of the base (1).

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