Electrolytic aluminum electrolytic bath cleaning device

Abstract

The invention relates to the technical field of electrolytic bath cleaning devices, in particular to an electrolytic aluminum electrolytic bath cleaning device. The detection camera is fixed on the tracked robot; the first electric push rod is fixedly connected with the bottom wall of the tracked robot in a penetrating mode; the cleaning block is fixedly connected with the movable end of the first electric push rod; the cavities are uniformly formed in the inner wall of the cleaning block, and a cleaning mechanism is arranged in each cavity; the cleaning mechanism comprises a rectangular frame, the rectangular frame is in sliding connection with the top wall of the cavity, and the rectangular frame is fixedly connected with a rack through an L-shaped rod; the rotating shaft is rotationally connected with the inner wall of the cavity; the cam and the transmission gear are fixedly connected to the side wall of the rotating shaft in a staggered mode. According to the method, a step-by-step synergistic cleaning mode is adopted, so that the damage to the tank body possibly caused by directly shoveling firm precipitates by strong external force is avoided, the thoroughness of cleaning is ensured, and the effect of protecting the lining of the electrolytic tank is also achieved.

Description

Technical Field

[0001] This invention relates to the field of electrolytic cell cleaning devices, and specifically to an electrolytic aluminum electrolytic cell cleaning device. Background Technology

[0002] In the electrolytic aluminum production process, the electrolytic cell, as the core equipment, gradually accumulates and adheres hard, blocky precipitates (such as solidified electrolyte and carbon slag) on ​​its inner wall due to prolonged exposure to a high-temperature, highly corrosive chemical environment. The accumulation of these precipitates significantly reduces the thermal efficiency of the electrolytic cell, increases energy consumption, affects the purity of the molten aluminum, and can even shorten the lifespan of the electrolytic cell. Therefore, regular cleaning of the electrolytic cell is crucial.

[0003] Currently, common cleaning methods mainly rely on manual labor using heavy machinery to knock and scrape away debris. This method has many drawbacks: 1. The internal environment of the electrolytic cell is harsh, with high temperature, toxic gases and strong magnetic fields, which pose a serious threat to the personal safety of operators; manual cleaning is labor-intensive, inefficient and uneven, and can easily cause mechanical damage to the intact lining of the electrolytic cell. 2. Although some mechanical cleaning devices have emerged, most of them are single-function and cannot achieve efficient crushing and fine removal at the same time. They are also insufficient in terms of adaptive cleaning and avoiding damage to the tank.

[0004] Therefore, we propose a cleaning device for electrolytic aluminum electrolytic cells. Summary of the Invention

[0005] The purpose of this invention is to solve the problems existing in the prior art by proposing a cleaning device for electrolytic aluminum electrolytic cells.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A cleaning device for an aluminum electrolytic cell, comprising: Tracked robot; A detection camera is mounted on a tracked robot; One electric push rod is fixedly connected to the bottom wall of the tracked robot; The cleaning block is fixedly connected to the movable end of the electric push rod. Cavities are evenly distributed on the inner wall of the cleaning block, and each cavity is equipped with a cleaning mechanism. The cleaning mechanism includes: A rectangular frame is slidably connected to the top wall of the cavity, and the rectangular frame is fixed to a rack by an L-shaped rod; A rotating shaft is rotatably connected to the inner wall of the cavity; A cam and a transmission gear that are misaligned and fixed to the side wall of the shaft; A connecting rod is provided through the bottom wall of the cavity, and a striking mechanism is fixedly connected to the bottom end of the connecting rod; The cavity is equipped with a scraping mechanism to remove stubborn deposits.

[0007] Preferably, the cleaning mechanism further includes: A rectangular block, wherein a wedge-shaped hole is formed in the side wall of the rectangular block; The base rods are symmetrically arranged, and the base rods slide through the bottom wall of the rectangular block. The side walls of the base rods are elastically connected to the rectangular block by spring 2. The rectangular frame sidewall is fixed with a wedge block by a connecting rod. After the wedge block moves a certain distance, it slides against the wedge hole. A drive rod is slidably connected to the inner sidewall of the rectangular frame, and a limit block is fixed to one end of the drive rod; The limiting block has a frustum structure, and the limiting block and the rectangular block are in contact. A spring three is fixed to the side wall of the limiting block, and the spring three is fixedly connected to the rectangular frame.

[0008] Preferably, an inverted U-shaped plate is slidably connected to the inner wall of the bottom of the cavity, and the connecting rod and the inverted U-shaped plate slide through and limit each other. A power component is provided on the cavity to drive the striking mechanism to move back and forth.

[0009] Preferably, the power component includes: An incomplete gear fixed to the side wall of a rotating shaft; An inverted U-shaped rod is fixedly connected to the inner wall at the bottom of the cavity; The inverted U-shaped rod and the inverted U-shaped plate pass through each other, and a damping spring is fixedly fitted on the side wall of the inverted U-shaped rod. The damping spring and the inverted U-shaped plate are fixedly connected. A toothed belt, the toothed belt being fixed to an inverted U-shaped plate; A receiving rod is fixedly connected to the top wall of the connecting rod, and the cam and the receiving rod slide against each other; A tension spring is fixedly connected to the side wall of the connecting rod, and the tension spring is fixedly connected to the inverted U-shaped plate.

[0010] Preferably, the toothed belt and the incomplete gear are engaged.

[0011] Preferably, the bottom wall of the cavity has a first through hole and a second through hole, and the connecting rod passes through the first through hole.

[0012] Preferably, the striking mechanism includes a base fixed to the bottom end of the connecting rod, and the bottom wall of the base has multiple slots, with an impact block elastically connected to the inner wall of each slot via a buffer spring.

[0013] Preferably, the shovel mechanism includes a spring telescopic tube fixed to the bottom wall of the drive rod, a shovel blade is fixed to the bottom side wall of the spring telescopic tube, and the spring telescopic tube passes through the second through hole.

[0014] Preferably, an electric push rod two is fixedly connected through the inner wall of the cavity, and the movable end of the electric push rod two is fixedly connected to the rectangular frame.

[0015] Compared with existing technologies, the advantages of this invention are: 1. By using a tracked robot equipped with a detection camera and a cleaning mechanism, the automatic identification, positioning and cleaning of sediment in the electrolytic cell is achieved. No direct human intervention is required throughout the process, which completely frees operators from the high-risk and harsh working environment and greatly improves the safety and automation level of the operation. At the same time, the integrated crushing and shoveling design allows for continuous operation and the cleaning efficiency is far higher than that of traditional manual operation. 2. A cam-driven, partially gear-driven striking mechanism reciprocates and strikes the lumpy sediment at high frequency, causing internal cracks and loosening, effectively reducing the adhesion between the sediment and the tank wall. Subsequently, a pre-energy-storing scraping mechanism performs precise and rapid scraping. This step-by-step, coordinated cleaning method avoids damage to the tank that may be caused by directly scraping away the hard sediment with strong external force, ensuring thorough cleaning while protecting the lining of the electrolytic cell. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the external structure of an electrolytic aluminum electrolytic cell cleaning device proposed in this invention; Figure 2 This is a schematic diagram of the internal structure of the cavity in the electrolytic aluminum electrolytic cell cleaning device proposed in this invention; Figure 3 for Figure 2 Enlarged schematic diagram of section A of the structure; Figure 4 This is a schematic diagram showing the positional relationship between the transmission gear, cam, and incomplete gear in an electrolytic aluminum electrolytic cell cleaning device proposed in this invention. Figure 5 for Figure 4 An enlarged schematic diagram of the structure of part B in the middle section.

[0017] In the image: 1. Tracked robot; 2. Detection camera; 3. Cleaning block; 4. Cavity; 5. Cleaning mechanism; 51. Rectangular frame; 52. L-shaped rod; 53. Rack; 54. Rotating shaft; 55. Transmission gear; 56. Cam; 57. Connecting rod; 58. Inverted U-shaped plate; 59. Tension spring; 510. Supporting rod; 511. First through hole; 512. Bottom rod; 513. Spring 2; 514. Rectangular block; 515. Wedge-shaped hole; 516. Connecting rod; 517. Wedge-shaped block; 518. Limiting block; 519. Drive rod; 520. Spring 3; 521. Second through hole; 6. Striking mechanism; 61. Base; 62. Hollow slot; 63. Buffer spring; 64. Impact block; 7. Power components; 71. Inverted U-shaped rod; 72. Damping spring; 73. Incomplete gear; 74. Toothed belt; 8. Electric push rod one; 9. Spring telescopic tube; 10. Electric push rod two; 11. Shovel blade. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Reference Figures 1-5 A cleaning device for an electrolytic aluminum cell, comprising: Tracked robot 1, as a mobile platform, adapts to the complex environment inside the electrolytic cell; The detection camera 2 and its specific working principle are existing technologies and will not be described in detail here. It is fixed on the tracked robot 1 and is used to identify and locate the blocky precipitates attached to the inner wall of the bottom of the electrolytic cell. Electric push rod 8 is fixedly connected to the bottom wall of tracked robot 1 and can drive cleaning mechanism 5 to move up and down. Electric push rod 8 is existing technology. Cleaning block 3 is fixedly connected to the movable end of electric push rod 8; Cavities 4 are evenly distributed on the inner wall of the cleaning block 3, and each cavity 4 is equipped with a cleaning mechanism 5. Cleaning organization 5 includes: A rectangular frame 51 is slidably connected to the top wall of the cavity 4. A rack 53 is fixed to the rectangular frame 51 via an L-shaped rod 52. The rectangular frame 51 drives the rack 53 to move horizontally via the L-shaped rod 52. A rotating shaft 54 ​​is rotatably connected to the inner wall of cavity 4; a cam 56 and a transmission gear 55 are fixedly and misaligned to the side wall of the rotating shaft 54; the rotating shaft 54, the transmission gear 55, and the cam 56 rotate synchronously.

[0020] A connecting rod 57 is provided through the bottom wall of cavity 4, and a striking mechanism 6 is fixedly connected to the bottom end of the connecting rod 57. The cavity 4 is equipped with a scraping mechanism to clean up stubborn deposits that adhere to it.

[0021] Cleaning agency 5 also includes: A rectangular block 514 has a wedge-shaped hole 515 on its side wall; the wedge-shaped hole 515 penetrates the rectangular block 514. The bottom rod 512 is symmetrically arranged, and the bottom wall of the bottom rod 512 and the rectangular block 514 slide through each other. The side wall of the bottom rod 512 is fixedly connected to the second spring 513, and the second spring 513 is fixedly connected to the rectangular block 514. The rectangular block 514 can move up and down along the axis of the bottom rod 512.

[0022] A connecting rod 516 is fixedly connected to the side wall of the rectangular frame 51. A wedge block 517 is fixedly connected to the side wall of the connecting rod 516 away from the rectangular frame 51. After the wedge block 517 moves a certain distance, it slides against the wedge hole 515. A drive rod 519 is slidably connected to the inner sidewall of the rectangular frame 51, and one end of the drive rod 519 is fixedly connected to a limit block 518. The limiting block 518 has a frustum structure, and the limiting block 518 and the rectangular block 514 are in contact with each other. A spring 520 is fixed to the side wall of the limiting block 518. The spring 520 is fixed to the rectangular frame 51. When the limiting block 518 is stopped by the rectangular block 514, the spring 520 will be continuously compressed and accumulate elastic potential energy as the rectangular frame 51 moves.

[0023] An inverted U-shaped plate 58 is slidably connected to the inner wall of the bottom of the cavity 4. The connecting rod 57 and the inverted U-shaped plate 58 slide through and limit each other. A power component 7 is provided on the cavity 4 to drive the striking mechanism 6 to move back and forth.

[0024] Power component 7 includes: An incomplete gear 73 is fixed to the side wall of the rotating shaft 54; The inverted U-shaped rod 71 is fixedly connected to the bottom inner wall of the cavity 4; The inverted U-shaped rod 71 and the inverted U-shaped plate 58 pass through each other. The inverted U-shaped plate 58 can move horizontally along the inverted U-shaped rod 71. A damping spring 72 is fixedly sleeved on the side wall of the inverted U-shaped rod 71. The damping spring 72 and the inverted U-shaped plate 58 are fixedly connected. The toothed belt 74 is fixed to the inverted U-shaped plate 58. When the gear part of the incomplete gear 73 meshes with the toothed belt 74, the inverted U-shaped plate 58 can be driven to slide through the toothed belt 74. When the non-gear part of the incomplete gear 73 and the toothed belt 74 approach each other, the inverted U-shaped plate 58 will slide in the opposite direction under the action of the damping spring 72. The top wall of the connecting rod 57 is fixedly connected to the receiving rod 510. The cam 56 and the receiving rod 510 slide against each other to ensure that the cam 56 can drive the connecting rod 57 to move through the receiving rod 510. A tension spring 59 is fixedly connected to the side wall of the connecting rod 57. The tension spring 59 is fixedly connected to the inverted U-shaped plate 58. Under the action of the tension spring 59, the receiving rod 510 is always in contact with the cam 56.

[0025] The toothed belt 74 and the incomplete gear 73 are meshed together.

[0026] The bottom wall of cavity 4 has a first through hole 511 and a second through hole 521, and the connecting rod 57 passes through the first through hole 511.

[0027] The striking mechanism 6 includes a base 61 fixed to the bottom end of the connecting rod 57. The bottom wall of the base 61 has multiple slots 62. Each slot 62 has an impact block 64 elastically connected to its inner wall by a buffer spring 63. The buffer spring 63 plays a buffering and protective role.

[0028] The shovel mechanism includes a spring telescopic tube 9 fixed to the bottom wall of the drive rod 519. The spring telescopic tube 9 consists of a sleeve, a spring and an inner rod. The spring telescopic tube 9 can keep the shovel 11 and the bottom inner wall of the electrolytic cell in contact. The shovel 11 is fixed to the bottom side wall of the spring telescopic tube 9. The spring telescopic tube 9 passes through the second through hole 521.

[0029] An electric push rod 210 is fixedly connected through the inner wall of cavity 4, and the movable end of electric push rod 210 is fixedly connected to rectangular frame 51.

[0030] In this invention, the system can automatically identify lumpy deposits attached to the inner wall of the bottom of the electrolytic cell using a detection camera 2 mounted on a tracked robot 1. Once the target is identified, the robot will autonomously navigate to directly above the target area. Subsequently, multiple electric push rods 8 are activated to push the cleaning block 3 downwards as a whole, so that each impact block 64 is close to the surface of the lumpy deposits.

[0031] Next, the electric push rod 10 is activated, pushing the rectangular frame 51 to slide within the cavity 4. This, in turn, drives the rack 53 to move via the L-shaped rod 52. The rack 53 meshes with the transmission gear 55, driving the rotating shaft 54 ​​to rotate, thereby causing the cam 56 and the incomplete gear 73 to rotate synchronously. During rotation, the cam 56 periodically contacts the receiving rod 510, pushing the connecting rod 57 and the striking mechanism 6 to reciprocate at high frequency in the vertical direction. This causes the impact block 64 to continuously strike the blocky sediment, inducing internal cracks and creating favorable conditions for subsequent removal operations.

[0032] Simultaneously, the incomplete gear 73 meshes with the toothed belt 74 during rotation, causing the inverted U-shaped plate 58 to slide back and forth horizontally. Since the connecting rod 57 passes through the inverted U-shaped plate 58, and with the continuous cooperation of the cam 56 and the receiving rod 510, the striking mechanism 6 maintains up-and-down striking while also moving laterally along the surface of the sediment, achieving comprehensive crushing of the target area and significantly improving the crushing effect. When the non-gear portion of the incomplete gear 73 contacts the toothed belt 74, the inverted U-shaped plate 58 moves in the opposite direction to reset under the action of the damping spring 72.

[0033] In the initial sliding phase of the rectangular frame 51, the spring 520 is compressed and stores energy because the limiting block 518 is blocked by the rectangular block 514. When the rectangular frame 51 slides to a certain position, the wedge block 517 inserts into the wedge hole 515 and pushes the rectangular block 514 downward, causing it to disengage from the limiting block 518. At this time, the spring 520 quickly releases its stored energy, pushing the drive rod 519 and the connected spring telescopic tube 9 and the scraper 11 to extend rapidly, effectively removing the broken blocky sediment. In this design, the pre-compression of the spring 520 is controllable, ensuring that the scraping force is moderate, effectively removing sediment while avoiding mechanical damage to the inner wall of the electrolytic cell.

[0034] To enable online cleaning, a siphon device can be integrated into the tracked robot 1 to suck up and collect the removed sediment debris, thereby achieving fully automated operation of the identification, positioning, crushing, removal and recycling of lumpy sediments attached to the electrolytic aluminum cell.

[0035] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A cleaning device for an electrolytic aluminum cell, characterized in that, include: Tracked robot (1); A detection camera (2) is fixed to the tracked robot (1); Electric push rod 1 (8) is fixedly connected to the bottom wall of the tracked robot (1); Cleaning block (3), the cleaning block (3) and the movable end of electric push rod (8) are fixedly connected; Cavities (4) are evenly distributed on the inner wall of the cleaning block (3), and each cavity (4) is provided with a cleaning mechanism (5). The cleaning mechanism (5) includes: A rectangular frame (51) is slidably connected to the top wall of the cavity (4), and a rack (53) is fixed to the rectangular frame (51) by an L-shaped rod (52). A rotating shaft (54) is rotatably connected to the inner wall of the cavity (4); A cam (56) and a transmission gear (55) are misaligned and fixed to the side wall of the rotating shaft (54). A connecting rod (57) is provided through the bottom wall of the cavity (4), and a striking mechanism (6) is fixedly connected to the bottom end of the connecting rod (57). The cavity (4) is equipped with a shovel mechanism for cleaning stubborn deposits.

2. The electrolytic aluminum electrolytic cell cleaning device according to claim 1, characterized in that, The cleaning mechanism (5) also includes: A rectangular block (514) has a wedge-shaped hole (515) on its side wall. The bottom rod (512) is symmetrically arranged, and the bottom wall of the bottom rod (512) and the rectangular block (514) slide through each other. The side wall of the bottom rod (512) is elastically connected to the rectangular block (514) by spring two (513). The side wall of the rectangular frame (51) is fixed with a wedge block (517) by a connecting rod (516). After the wedge block (517) moves a certain distance, it slides against the wedge hole (515). A drive rod (519) is slidably connected to the inner wall of the rectangular frame (51), and a limit block (518) is fixedly connected to one end of the drive rod (519). The limiting block (518) has a truncated quadrangular structure, and the limiting block (518) and the rectangular block (514) are in contact with each other; The limiting block (518) has a spring three (520) fixed to its side wall, and the spring three (520) is fixed to the rectangular frame (51).

3. The electrolytic aluminum electrolytic cell cleaning device according to claim 1, characterized in that, The cavity (4) has an inverted U-shaped plate (58) slidably connected to the bottom inner wall. The connecting rod (57) and the inverted U-shaped plate (58) slide through and limit each other. The cavity (4) is provided with a power component (7) that drives the striking mechanism (6) to move back and forth.

4. The electrolytic aluminum electrolytic cell cleaning device according to claim 3, characterized in that, The power component (7) includes: An incomplete gear (73) is fixed to the side wall of the shaft (54). An inverted U-shaped rod (71) is fixedly connected to the inner wall of the bottom of the cavity (4); The inverted U-shaped rod (71) and the inverted U-shaped plate (58) pass through each other. A damping spring (72) is sleeved and fixed on the side wall of the inverted U-shaped rod (71). The damping spring (72) and the inverted U-shaped plate (58) are fixedly connected. Toothed belt (74), said toothed belt (74) is fixed to the inverted U-shaped plate (58); The top wall of the connecting rod (57) is fixedly connected to the receiving rod (510), and the cam (56) and the receiving rod (510) slide against each other; A tension spring (59) is fixedly connected to the side wall of the connecting rod (57), and the tension spring (59) is fixedly connected to the inverted U-shaped plate (58).

5. The electrolytic aluminum electrolytic cell cleaning device according to claim 4, characterized in that, The toothed belt (74) and the incomplete gear (73) are engaged.

6. The electrolytic aluminum electrolytic cell cleaning device according to claim 1, characterized in that, The cavity (4) has a first through hole (511) and a second through hole (521) on its bottom wall, and the connecting rod (57) passes through the first through hole (511).

7. The electrolytic aluminum electrolytic cell cleaning device according to claim 1, characterized in that, The striking mechanism (6) includes a base (61) fixed to the bottom end of the connecting rod (57). The bottom wall of the base (61) has multiple slots (62), and each slot (62) has an impact block (64) elastically connected to its inner wall by a buffer spring (63).

8. The electrolytic aluminum electrolytic cell cleaning device according to claim 6, characterized in that, The shovel mechanism includes a spring telescopic tube (9) fixed to the bottom wall of the drive rod (519), and a shovel blade (11) is fixed to the bottom side wall of the spring telescopic tube (9). The spring telescopic tube (9) passes through the second through hole (521).

9. The electrolytic aluminum electrolytic cell cleaning device according to claim 1, characterized in that, An electric push rod two (10) is fixedly connected through the inner wall of the cavity (4), and the movable end of the electric push rod two (10) is fixedly connected to the rectangular frame (51).

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