Anti-oxidation impregnation device for graphite electrode

Abstract

The utility model relates to the technical field of graphite electrode impregnation, and discloses an anti-oxidation impregnation device of a graphite electrode, which comprises an impregnation tank, a plurality of uniformly distributed support columns are fixedly connected to the edge of the impregnation tank, a driving component is arranged at the bottom of the impregnation tank, a stirring component is arranged in the impregnation tank, and the stirring component is arranged in the impregnation tank. A supporting plate is fixedly connected to the upper portion of the supporting column, a lifting rod is slidably connected to the middle of the supporting plate, two connecting plates distributed left and right are fixedly connected to the front side of the supporting plate, a rotating shaft is rotatably connected to the upper portions of the two connecting plates, a second motor is fixedly connected to the right portion of the rotating shaft, and a third gear is fixedly connected to the middle of the rotating shaft. According to the device disclosed by the utility model, through cooperation of the gear III, the lifting rod, the tooth groove, the motor II, the rotating shaft and the connecting plate, rapid liquid feeding of the graphite electrode is realized, and through the stirring assembly, stirring is realized to enable the steeping liquor to flow, so that the steeping liquor is rapidly and uniformly attached to the surface of the graphite electrode.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite electrode impregnation, in particular to an anti-oxidation impregnation device for graphite electrodes. Background Art

[0002] Graphite electrodes are mainly made of petroleum coke and needle coke as raw materials, coal tar as binder, and are made through calcination, batching, kneading, pressing, roasting, graphitization, and machining. They are conductors that release electric energy in the form of an arc in an electric arc furnace to heat and melt the charge. According to their quality indicators, they can be divided into ordinary power, high power, and ultra-high power. In the production process of graphite electrodes, there are some irregular pores inside the product. In order to reduce the impact of these pores on the product, impregnation is a method to reduce the porosity, increase the density, increase the compressive strength, and reduce the resistivity of the finished product.

[0003] After searching, the Chinese patent announcement number is CN212681520U, which discloses an anti-oxidation impregnation device for graphite electrodes, including a base, a processing box fixedly connected to the upper end of the base, partitions fixedly provided on the left and right sides of the interior of the processing box and divided into a cleaning area, an impregnation area and an air-drying area from left to right by the partitions, a placement plate fixedly provided at the lower part of the cleaning area, a plurality of evenly distributed filter holes opened at the upper end of the placement plate, a water pump fixedly connected to the lower side wall of the cleaning area, and a water pipe fixedly connected to the output end of the water pump, and a frame-shaped pipe fixedly connected to the upper end of the side wall of the cleaning area. The utility model can pre-treat the graphite electrode to prevent dust and other impurities from entering the anti-oxidation liquid, and can improve the air-drying efficiency of the graphite electrode after impregnation, integrating cleaning, anti-oxidation impregnation and air-drying, increasing the functionality of the impregnation device, and at the same time being convenient and simple to use, effectively reducing the workload of workers. The threaded rod of the above utility model drives the movable plate to lift and lower usually at a slow speed. The speed of industrial manufacturing requires rapid vertical movement. The graphite electrode is directly placed in the impregnation tank, and the impregnation speed is slow. A stirring mechanism is used to drive the surrounding impregnation liquid to flow so that the impregnation liquid adheres to the surface of the graphite electrode faster and more evenly. For this purpose, an anti-oxidation impregnation device for graphite electrodes is designed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an anti-oxidation impregnation device for graphite electrodes, which can allow the device equipped with graphite electrodes to quickly enter the impregnation tank and allow the impregnation liquid to evenly and quickly adhere to the surface of the graphite electrode through stirring.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An anti-oxidation impregnation device for graphite electrodes, comprising an impregnation tank, a plurality of evenly distributed support columns are fixedly connected at the edge of the impregnation tank, a driving assembly is arranged at the bottom of the impregnation tank, a stirring assembly is arranged inside the impregnation tank, a support plate is fixedly connected to the upper part of the support column, a lifting rod is slidably connected to the middle part of the support plate, two connecting plates distributed on the left and right are fixedly connected to the front side of the support plate, a rotating shaft is rotatably connected to the upper part of the two connecting plates, a motor 2 is fixedly connected to the right part of the rotating shaft, a gear 3 is fixedly connected to the middle part of the rotating shaft, a plurality of evenly distributed tooth grooves are opened on the front side of the lifting rod, an upper cover plate is fixedly connected to the lower part of the lifting rod, and a cargo box is fixedly connected to the bottom of the lifting rod;

[0007] Through the above technical solution, the rack and pinion lifting device is a fast lifting device suitable for industrial manufacturing.

[0008] Furthermore, the driving assembly includes a motor 1, the output end of the motor 1 is fixedly connected to a gear 1, and the upper part of the gear 1 is fixedly connected to a limiting plate 1;

[0009] Through the above technical solution, the motor drives the gear to rotate so that the stirring component can rotate and stir.

[0010] Furthermore, the stirring assembly includes a gear box, the upper portion of the gear box is fixedly connected to a second limiting plate, the lower portion of the second limiting plate is slidably connected to a second gear, the upper portion of the second gear is fixedly connected to a stirring rod, and the outer periphery of the stirring rod is fixedly connected to a plurality of evenly distributed stirring rods;

[0011] Through the above technical solution, the stirring rod and the stirring bar are used together to stir the immersion liquid to make it flow.

[0012] Further, the gear 2 is meshedly connected between the gear 1 and the gear box, and the stirring rod is rotatably connected between the limit plate 1 and the limit plate 2;

[0013] Through the above technical solution, the stirring rod moves in the gap between the first limiting plate and the second limiting plate.

[0014] Further, an air pump is fixedly connected to the left side of the immersion tank, a pressure relief valve is fixedly connected to the upper side of the right side of the immersion tank, and a liquid outlet is fixedly connected to the lower side of the right side of the immersion tank;

[0015] Through the above technical solution, the air pump can evacuate the air inside the immersion tank covered with the upper cover plate.

[0016] Furthermore, a sealing gasket is fixedly connected to the lower part of the upper cover plate, and the upper cover plate is slidably connected to the opposite sides of the two support columns distributed on the left and right;

[0017] Through the above technical solution, the sealing gasket can keep the interior in a sealed environment when the cover plate is closed.

[0018] Furthermore, the gear box is fixedly connected to the middle of the immersion tank, and the motor housing is fixedly connected to the bottom of the immersion tank;

[0019] Through the above technical solution, the gear box is fixed to the middle part of the inner side of the immersion tank.

[0020] Furthermore, the two support columns on the right side are fixedly connected with drying fans on the sides facing each other;

[0021] Through the above technical solution, the drying fan can dry the impregnation liquid inside the cargo box.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, through the cooperation of gear three, lifting rod, tooth groove, motor two, rotating shaft and connecting plate, motor two is turned on to rotate gear three, so that the lifting rod with tooth groove is lifted and lowered, so that the graphite electrode can quickly enter the impregnation liquid and improve the working efficiency.

[0024] 2. In the utility model, through the cooperation of motor 1, gear 1, gear 2, gear box, stirring rod, stirring bar, limit plate 1 and limit plate 2, motor 1 is turned on to rotate gear 1, thereby driving the surrounding gear 2 to rotate, so that the stirring rod and stirring bar above drive the impregnation liquid to mix and flow, so that it can contact the graphite motor more completely, and the impregnation liquid is made to flow by stirring so that it is evenly attached to the surface of the graphite electrode. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of an anti-oxidation impregnation device for graphite electrodes proposed by the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of a cargo box of an anti-oxidation impregnation device for graphite electrodes proposed by the utility model;

[0027] Figure 3 This is a structural schematic diagram of a pressure relief valve of an anti-oxidation impregnation device for graphite electrodes proposed by the utility model;

[0028] Figure 4 This is a structural schematic diagram of a limiting plate 1 of an anti-oxidation impregnation device for graphite electrodes proposed by the utility model;

[0029] Figure 5 This is a schematic structural diagram of a gear 1 of an anti-oxidation impregnation device for graphite electrodes proposed by the utility model.

[0030] Legend:

[0031] 1. Immersion tank; 2. Support column; 3. Support plate; 4. Upper cover plate; 5. Stirring mechanism; 51. Drive assembly; 511. Motor 1; 512. Gear 1; 513. Limiting plate 1; 52. Stirring assembly; 521. Gear 2; 522. Stirring rod; 523. Stirring rod; 524. Gear box; 525. Limiting plate 2; 6. Rotating shaft; 7. Motor 2; 8. Gear 3; 9. Lifting rod; 10. Connecting plate; 11. Tooth groove; 12. Sealing pad; 13. Cargo box; 14. Drying fan; 15. Air pump; 16. Pressure relief valve; 17. Liquid outlet. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1-3 The utility model provides an embodiment: an antioxidant impregnation device for graphite electrodes, comprising an impregnation tank 1, a plurality of evenly distributed support columns 2 are fixedly connected at the edge of the impregnation tank 1, a driving assembly 51 is arranged at the bottom of the impregnation tank 1, a stirring assembly 52 is arranged inside the impregnation tank 1, a support plate 3 is fixedly connected to the upper part of the support column 2, a lifting rod 9 is slidably connected to the middle part of the support plate 3, two connecting plates 10 distributed on the left and right are fixedly connected to the front side of the support plate 3, a rotating shaft 6 is rotatably connected to the upper part of the two connecting plates 10, a motor 2 is fixedly connected to the right part of the rotating shaft 6, a gear 3 is fixedly connected to the middle part of the rotating shaft 6, a plurality of evenly distributed tooth grooves 11 are opened on the front side of the lifting rod 9, an upper cover plate 4 is fixedly connected to the lower part of the lifting rod 9, and a cargo box 13 is fixedly connected to the bottom of the lifting rod 9.

[0034] Specifically, an impregnation liquid is placed inside the impregnation tank 1 to impregnate the graphite electrode, the support column 2 is used to support the impregnation tank 1, the support plate 3 is used to support the lifting mechanism above, the lifting rod 9 is used to connect the upper cover plate 4 and the cargo box 13, the motor 2 7 is fixedly connected to the upper part of the support plate 3, the motor 2 7 is used to drive the rotating shaft 6 to rotate, and the rotation of the rotating shaft 6 drives the gear 3 8 to rotate to lift the lifting rod 9 with the tooth groove 11, the cargo box 13 is used to place the graphite electrode, and the cargo box 13 has many ventilation holes on the outside, so that the impregnation liquid can flow into the inside to impregnate the graphite electrode.

[0035] Reference Figure 1 , Figure 4 and Figure 5The driving component 51 includes a motor 511, the output end of the motor 511 is fixedly connected to a gear 512, the upper part of the gear 512 is fixedly connected to a limit plate 513, the stirring component 52 includes a gear box 524, the upper part of the gear box 524 is fixedly connected to a limit plate 525, the lower part of the limit plate 525 is slidably connected to a gear 2 521, the upper part of the gear 2 521 is fixedly connected to a stirring rod 522, the outer periphery of the stirring rod 522 is fixedly connected to a plurality of evenly distributed stirring rods 523, the gear 2 521 is meshingly connected between the gear 1 512 and the gear box 524, the stirring rod 522 is rotatably connected between the limit plate 1 513 and the limit plate 2 525, the gear box 524 is fixedly connected to the middle part of the immersion tank 1, and the outer shell of the motor 511 is fixedly connected to the bottom of the immersion tank 1.

[0036] Specifically, the driving assembly 51 and the stirring assembly 52 constitute the stirring mechanism 5, the motor 511 is used to drive the gear 1 512 to rotate, the gear 1 512 is used to drive the gear 2 521 to rotate, the gear 2 521 rotates to make the stirring rod 522 and the stirring rod 523 above stir the immersion liquid to make it flow inside the container, the limiting plate 1 513 and the limiting plate 2 525 are used to limit the movement trajectory of the stirring rod 522, the gear box 524 is used to limit the movement trajectory of the gear 2 521, the gear 1 512 is rotatably connected to the middle part of the gear box 524, and the gear 1 512 is fixedly connected to the output end of the motor 1 511.

[0037] Reference Figure 1-3 An air pump 15 is fixedly connected to the left part of the immersion tank 1, a pressure relief valve 16 is fixedly connected to the upper right side of the immersion tank 1, a liquid outlet 17 is fixedly connected to the lower right side of the immersion tank 1, a sealing gasket 12 is fixedly connected to the lower part of the upper cover plate 4, the upper cover plate 4 is slidably connected to the opposite sides of the two support columns 2 distributed on the left and right, and a drying fan 14 is fixedly connected to the opposite sides of the two support columns 2 on the right side.

[0038] Specifically, the air pump 15 is used to evacuate the air inside the impregnation tank 1 covered with the upper cover plate 4, so that the interior is in a vacuum environment, ensuring that the antioxidant impregnation liquid can fully penetrate into the structure of the graphite electrode, eliminate air bubbles and improve the impregnation effect. The pressure relief valve 16 is used to prevent the impregnation tank 1 from rupture or damage due to excessive pressure. The liquid outlet 17 is used to facilitate the replacement of the internal impregnation liquid. The upper cover plate 4 and the sealing gasket 12 are used to form a sealed space when the upper cover plate 4 is covered. The drying fan 14 is used to dry the impregnated graphite electrode. After impregnation, the graphite electrode needs to be dried to remove excess impregnation liquid and ensure that the coating is evenly cured.

[0039] Working principle: place the graphite electrode inside the loading box 13, close the liquid outlet 17 and the pressure relief valve 16, turn on the motor 2 7 to rotate the shaft 6 and let the gear 3 8 rotate to drive the lifting rod 9 to descend, so that the upper cover plate 4 below is completely covered on the top of the immersion tank 1 and pressed tightly, and then start the air pump 15 to evacuate the internal air to achieve vacuum treatment, turn on the motor 1 511 to rotate the gear 1 512 to drive the gear 2 521 meshing around to rotate, the rotation of the gear 2 521 makes the stirring rod 523 and the stirring rod 522 above stir the immersion liquid so that the immersion liquid flows inside and allows more immersion liquid to pass through the surface of the graphite electrode, after placing it for a period of time, open the pressure relief valve 16 first, and then start the motor 2 7 to make the lifting rod 9 rise, so that the drying fan 14 position of the loading box 13 stops lifting and lowering, and turns on the drying fan 14 to dry the graphite electrode inside the loading box 13 to solidify the immersion liquid.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-oxidation impregnation device for graphite electrodes, comprising an impregnation tank (1), characterized in that: A plurality of evenly distributed support columns (2) are fixedly connected at the edge of the immersion tank (1), a driving assembly (51) is arranged at the bottom of the immersion tank (1), a stirring assembly (52) is arranged inside the immersion tank (1), a support plate (3) is fixedly connected to the upper part of the support column (2), a lifting rod (9) is slidably connected to the middle part of the support plate (3), two connecting plates (10) distributed on the left and right are fixedly connected to the front side of the support plate (3), a rotating shaft (6) is rotatably connected to the upper part of the two connecting plates (10), a motor 2 (7) is fixedly connected to the right part of the rotating shaft (6), a gear 3 (8) is fixedly connected to the middle part of the rotating shaft (6), a plurality of evenly distributed tooth grooves (11) are opened on the front side of the lifting rod (9), an upper cover plate (4) is fixedly connected to the lower part of the lifting rod (9), and a cargo box (13) is fixedly connected to the bottom of the lifting rod (9).

2. The anti-oxidation impregnation device for graphite electrodes according to claim 1, characterized in that: The driving assembly (51) comprises a motor 1 (511), the output end of the motor 1 (511) is fixedly connected to a gear 1 (512), and the upper part of the gear 1 (512) is fixedly connected to a limiting plate 1 (513).

3. The anti-oxidation impregnation device for graphite electrodes according to claim 2, characterized in that: The stirring assembly (52) comprises a gear box (524), the upper portion of the gear box (524) is fixedly connected to a second limiting plate (525), the lower portion of the second limiting plate (525) is slidably connected to a second gear (521), the upper portion of the second gear (521) is fixedly connected to a stirring rod (522), and the outer periphery of the stirring rod (522) is fixedly connected to a plurality of evenly distributed stirring rods (523).

4. The anti-oxidation impregnation device for graphite electrodes according to claim 3, characterized in that: The gear 2 (521) is meshedly connected between the gear 1 (512) and the gear box (524), and the stirring rod (522) is rotatably connected between the limit plate 1 (513) and the limit plate 2 (525).

5. The anti-oxidation impregnation device for graphite electrodes according to claim 1, characterized in that: The left part of the immersion tank (1) is fixedly connected to an air pump (15), the upper right side of the immersion tank (1) is fixedly connected to a pressure relief valve (16), and the lower right side of the immersion tank (1) is fixedly connected to a liquid outlet (17).

6. The anti-oxidation impregnation device for graphite electrodes according to claim 1, characterized in that: A sealing pad (12) is fixedly connected to the lower part of the upper cover plate (4), and the upper cover plate (4) is slidably connected to the opposite sides of the two support columns (2) distributed on the left and right.

7. The anti-oxidation impregnation device for graphite electrodes according to claim 4, characterized in that: The gear box (524) is fixedly connected to the middle of the immersion tank (1), and the housing of the motor 1 (511) is fixedly connected to the bottom of the immersion tank (1).

8. The anti-oxidation impregnation device for graphite electrodes according to claim 1, characterized in that: The two support columns (2) on the right side are fixedly connected with drying fans (14) on the sides facing each other.

Images