High-silicon cast iron anode with good conductivity

Abstract

The utility model discloses a high silicon cast iron anode with good conductivity, which comprises a steel sleeve, the upper surface of the steel sleeve is in threaded connection with a first sleeve head, the upper inner wall of the first sleeve head is fixedly connected with a first sealing ring, the inner surface of the first sleeve head is fixedly connected with a gas-guide tube, and the gas-guide tube is fixedly connected with a second sealing ring. The inner surface of the first sleeve head is fixedly connected with an anode guide wire and an anode bar fixing and protecting mechanism; the anode bar fixing and protecting mechanism comprises an anode bar, conductive rubber, a protecting cover, a second sleeve head, a second sealing ring and a support, the outer surface of the anode bar is fixedly connected with the conductive rubber, and the outer surface of the conductive rubber is fixedly connected with the protecting cover; by arranging the anode bar fixing and protecting mechanism, the anode bar can be always fixed at the central position of the steel sleeve while being protected from being damaged by the coke filler, so that the current uniformity of the high-silicon cast iron anode during working is improved, the conductive effect is improved, and the damage probability in the transportation process can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cathode protection devices, in particular to a high-silicon cast iron anode with good electrical conductivity. Background Art

[0002] High silicon cast iron anodes were first used in the United States. Initially, they were only used in laboratories. In the early 1980s, they began to be used in large quantities in industrial production. This cast iron anode containing 14.5% silicon was found to be prone to corrosion in seawater, so chromium metal was added to anodes used in seawater in the future. The purpose of adding chromium is to reduce the corrosion rate of the original anode.

[0003] The anode rods inside the existing high-silicon cast iron anodes are all exposed inside the steel casing. When the coke filler is filled inside, the coke filler will cause friction to the internal anode rod, which is not only easy to damage the anode rod but also easy to cause the anode rod to shift and affect the conductive effect. After searching, it was found that the technical solution provided by the utility model with application number 201821028205.0 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a high-silicon cast iron anode with good electrical conductivity. By setting an anode rod fixing protection mechanism, the anode rod can be protected from being damaged by coke filler and the anode rod can be always fixed in the center of the steel casing, thereby improving the uniformity of the current of the high-silicon cast iron anode during operation, improving the electrical conductivity, and reducing the probability of damage during transportation.

[0005] The utility model also provides a high-silicon cast iron anode with good electrical conductivity, comprising: a steel casing, the upper surface of which is threadedly connected to a first sleeve head, the upper inner wall of which is fixedly connected to a first sealing ring, the inner surface of which is fixedly connected to an air guide pipe, and the inner surface of which is fixedly connected to an anode guide wire.

[0006] An anode rod fixing and protecting mechanism; the anode rod fixing and protecting mechanism comprises an anode rod, a conductive rubber, a protective cover, a second sleeve, a second sealing ring and a bracket, the outer surface of the anode rod is fixedly connected to the conductive rubber, the outer surface of the conductive rubber is fixedly connected to the protective cover, the upper surface of the protective cover is threadedly connected to the second sleeve, the upper inner wall of the second sleeve is fixedly connected to the second sealing ring, and the outer surface of the protective cover is fixedly connected to the bracket. By setting the anode rod fixing and protecting mechanism, the anode rod can be protected from being damaged by coke filler and the anode rod can be always fixed in the center of the steel casing, thereby improving the uniformity of current of the high silicon cast iron anode during operation, improving the conductive effect, and reducing the probability of damage during transportation.

[0007] According to the high-silicon cast iron anode with good electrical conductivity, the end of the bracket away from the protective cover is fixedly connected to the steel casing, and the lower surface of the first sealing ring is movably connected to the steel casing to seal the interior of the steel casing to prevent external debris from entering the interior and affecting the electrical conductivity.

[0008] According to the high-silicon cast iron anode with good electrical conductivity, the inner surface of the steel casing is movably connected with the coke filler, and the outer surface of the protective cover is movably connected with the coke filler.

[0009] According to the high-silicon cast iron anode with good electrical conductivity, a second wire hole is provided on the upper surface of the second sleeve, and the outer surface of the anode guide wire is fixedly connected to the second wire hole, so as to facilitate the connection of the anode guide wire to an external power source.

[0010] According to the high-silicon cast iron anode with good electrical conductivity, the upper surface of the first sleeve is provided with an air guide hole, and the outer surface of the air guide pipe is fixedly connected to the air guide hole.

[0011] According to the high silicon cast iron anode with good electrical conductivity, the upper surface of the first sleeve 2 is provided with a first wire hole, and the outer surface of the anode guide wire is fixedly connected to the first wire hole.

[0012] According to the high-silicon cast iron anode with good conductivity, the upper surface of the steel casing is provided with a first thread, and the upper surface of the protective cover is provided with a second thread, which facilitates the first sleeve to seal the steel casing and the second sleeve to protect the anode rod inside the protective cover.

[0013] According to the high silicon cast iron anode with good electrical conductivity, a pull ring is fixedly connected to the upper surface of the first sleeve, and the upper surface of the anode rod is electrically connected to the anode guide wire, which facilitates the hoisting and transportation of the steel casing.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall structure diagram of a high silicon cast iron anode with good electrical conductivity of the utility model;

[0017] Figure 2 This is a diagram of the internal structure of a high silicon cast iron anode with good electrical conductivity according to the utility model;

[0018] Figure 3 This is a cross-sectional view of a high silicon cast iron anode with good electrical conductivity according to the utility model;

[0019] Figure 4 This is an exploded view of a high silicon cast iron anode with good electrical conductivity according to the utility model.

[0020] Legend:

[0021] 1. Steel casing; 2. First sleeve; 3. First sealing ring; 4. Air guide tube; 5. Anode guide wire; 6. Anode rod; 7. Conductive rubber; 8. Protective cover; 9. Second sleeve; 10. Second sealing ring; 11. Bracket; 12. Coke filler; 13. Second wire hole; 14. Air guide hole; 15. First wire hole; 16. First thread; 17. Second thread; 18. Pull ring. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment provides a high silicon cast iron anode with good electrical conductivity, comprising: a steel casing 1, a first thread 16 is provided on the upper surface of the steel casing 1, a coke filler 12 is movably connected to the inner surface of the steel casing 1, a first sleeve 2 is threadedly connected to the upper surface of the steel casing 1, a pull ring 18 is fixedly connected to the upper surface of the first sleeve 2, a first sealing ring 3 is fixedly connected to the upper inner wall of the first sleeve 2, the lower surface of the first sealing ring 3 is movably connected to the steel casing 1, an air guide pipe 4 is fixedly connected to the inner surface of the first sleeve 2, an air guide hole 14 is provided on the upper surface of the first sleeve 2, the outer surface of the air guide pipe 4 is fixedly connected to the air guide hole 14, a first wire hole 15 is provided on the upper surface of the first sleeve 2, the outer surface of the anode guide wire 5 is fixedly connected to the first wire hole 15, and the inner surface of the first sleeve 2 is fixedly connected to the anode guide wire 5.

[0024] Anode rod fixing and protecting mechanism; the anode rod fixing and protecting mechanism comprises an anode rod 6, a conductive rubber 7, a protective cover 8, a second sleeve 9, a second sealing ring 10 and a bracket 11, the upper surface of the anode rod 6 is electrically connected to the anode guide wire 5, the upper surface of the protective cover 8 is provided with a second thread 17, the upper surface of the second sleeve 9 is provided with a second wire hole 13, the outer surface of the anode guide wire 5 is fixedly connected to the second wire hole 13, the outer surface of the protective cover 8 is movably connected to the coke filler 12, the end of the bracket 11 away from the protective cover 8 is fixedly connected to the steel casing 1, the outer surface of the anode rod 6 is fixedly connected to the conductive rubber 7, the outer surface of the conductive rubber 7 is fixedly connected to the protective cover 8, the upper surface of the protective cover 8 is threadedly connected to the second sleeve 9, the upper inner wall of the second sleeve 9 is fixedly connected to the second sealing ring 10, and the outer surface of the protective cover 8 is fixedly connected to the bracket 11.

[0025] Working principle: put the anode rod 6 into the protective cover 8 fixed at the center of the steel casing 1 by the bracket 11. The conductive rubber 7 inside the protective cover 8 can play a good protective role on the anode rod 6 to prevent the anode rod 6 from being damaged by bumps and vibrations during transportation. The second sleeve 9 can prevent the coke filler 12 from entering the protective cover 8 and causing friction damage to the anode rod 6. After the anode rod 6 is installed, the coke filler 12 is filled into the steel casing 1, and then the air guide tube 4 is inserted into the coke filler 12 and the coke filler 12 is compacted. Finally, the first sleeve 2 is covered to seal the steel casing 1. The anode guide wire 5 and the air guide tube 4 are connected with the first sleeve 2, which is convenient for the anode guide wire 5 to be connected to the external power supply. The first sleeve 2 is equipped with a pull ring 18 to facilitate the lifting operation of the steel casing 1.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A high silicon cast iron anode with good electrical conductivity, characterized in that: include: A steel casing (1), wherein a first sleeve (2) is threadedly connected to the upper surface of the steel casing (1), a first sealing ring (3) is fixedly connected to the upper inner wall of the first sleeve (2), an air guide tube (4) is fixedly connected to the inner surface of the first sleeve (2), and an anode guide wire (5) is fixedly connected to the inner surface of the first sleeve (2); An anode rod fixing and protecting mechanism; the anode rod fixing and protecting mechanism comprises an anode rod (6), a conductive rubber (7), a protective cover (8), a second sleeve (9), a second sealing ring (10) and a bracket (11); the outer surface of the anode rod (6) is fixedly connected to the conductive rubber (7); the outer surface of the conductive rubber (7) is fixedly connected to the protective cover (8); the upper surface of the protective cover (8) is threadedly connected to the second sleeve (9); the upper inner wall of the second sleeve (9) is fixedly connected to the second sealing ring (10); and the outer surface of the protective cover (8) is fixedly connected to the bracket (11).

2. The high silicon cast iron anode with good electrical conductivity according to claim 1, characterized in that: One end of the bracket (11) away from the protective cover (8) is fixedly connected to the steel casing (1), and the lower surface of the first sealing ring (3) is movably connected to the steel casing (1).

3. The high silicon cast iron anode with good electrical conductivity according to claim 1, characterized in that: The inner surface of the steel casing (1) is movably connected to a coke filler (12), and the outer surface of the protective cover (8) is movably connected to the coke filler (12).

4. The high silicon cast iron anode with good electrical conductivity according to claim 1, characterized in that: The upper surface of the second sleeve (9) is provided with a second wire hole (13), and the outer surface of the anode guide wire (5) is fixedly connected to the second wire hole (13).

5. The high silicon cast iron anode with good electrical conductivity according to claim 1, characterized in that: An air guide hole (14) is provided on the upper surface of the first sleeve (2), and the outer surface of the air guide tube (4) is fixedly connected to the air guide hole (14).

6. The high silicon cast iron anode with good electrical conductivity according to claim 1, characterized in that: The upper surface of the first sleeve (2) is provided with a first wire hole (15), and the outer surface of the anode guide wire (5) is fixedly connected to the first wire hole (15).

7. The high silicon cast iron anode with good electrical conductivity according to claim 1, characterized in that: The upper surface of the steel casing (1) is provided with a first thread (16), and the upper surface of the protective cover (8) is provided with a second thread (17).

8. The high silicon cast iron anode with good electrical conductivity according to claim 1, characterized in that: A pull ring (18) is fixedly connected to the upper surface of the first sleeve (2), and the upper surface of the anode rod (6) is electrically connected to the anode guide wire (5).

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