Special-shaped cathode carbon block of aluminum electrolysis cell

By designing a detachable cathode column connection structure on the irregularly shaped cathode carbon block of the aluminum electrolysis cell, the high cost and long downtime caused by overall replacement in the existing technology are solved, achieving fast and low-cost maintenance.

CN223607389UActive Publication Date: 2025-11-28ZHONGNING JIN NING ALUMINUM MAGNESIUM NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202423308095.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-28
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing aluminum electrolysis cell's integral structure of irregularly shaped cathode carbon blocks means that local problems require the entire cell to be replaced, which increases replacement time and cost, and also results in long downtime.

Method used

A special-shaped cathode carbon block for aluminum electrolysis cells was designed. By setting cathode columns, screw sleeves, screws, pushers and locking blocks in the mounting grooves on both sides of the cathode carbon block body, the cathode columns can be detachably connected, making it convenient to replace damaged parts individually.

Benefits of technology

It simplifies the maintenance process of cathode carbon blocks, reduces replacement time and costs, and minimizes downtime.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an aluminum electrolysis cell special-shaped cathode carbon block which comprises a cathode carbon block main body, mounting grooves are formed in the two sides of the cathode carbon block main body, locking grooves are formed in the inner sides of the mounting grooves, cathode columns are mounted on the two sides of the cathode carbon block main body through the mounting grooves, a threaded sleeve is embedded in one side of each cathode column, and locking grooves are formed in the locking grooves. A threaded sleeve is arranged in the cathode column, one end of the threaded sleeve is in threaded connection with a threaded rod, a push head is installed at one end of the threaded rod, through grooves are formed in the front face and the back face of the cathode column, clamping blocks are installed on the inner sides of the through grooves, and reset springs are fixedly connected to the inner sides of the clamping blocks. And then the screw rod is rotated anticlockwise, the screw rod pushes the push head to extrude the clamping block outwards, and the clamping block moves out of the through groove and enters the locking groove, so that the structure of the cathode carbon block is replaced, meanwhile, the replacement time is shortened, the replacement cost is reduced, and the downtime is shortened.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cathode carbon block, specifically to an aluminum electrolysis cell special-shaped cathode carbon block. BACKGROUND

[0002] In the aluminum electrolysis production process, the performance of the aluminum electrolysis cell plays a decisive role in the yield and quality of aluminum, and the structure and performance of the cathode carbon block as an important component of the aluminum electrolysis cell directly affect the stability of the electrolysis process, current efficiency and energy consumption.

[0003] However, the existing aluminum electrolysis cell special-shaped cathode carbon block is usually provided with an integral structure, but when the aluminum electrolysis cell special-shaped cathode carbon block has a problem in a local position, the cathode carbon block needs to be replaced as a whole, resulting in long replacement time and high replacement cost, thereby increasing downtime. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides an aluminum electrolysis cell special-shaped cathode carbon block to solve the existing problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an aluminum electrolysis cell special-shaped cathode carbon block, which comprises a cathode carbon block main body, installation grooves are formed on the two sides of the cathode carbon block main body, lock grooves are formed on the inner sides of the installation grooves, cathode columns are installed on the two sides of the cathode carbon block main body through the installation grooves, a threaded sleeve is embedded on one side of the cathode column, a screw rod is threadedly connected to one end of the threaded sleeve, a push head is installed at one end of the screw rod, through grooves are formed on the front and back surfaces of the cathode column, clamping blocks are installed on the inner sides of the through grooves, and reset springs are fixedly connected to the inner sides of the clamping blocks.

[0006] Preferably, a cathode protruding block is installed on the top of the cathode carbon block main body, and the cathode carbon block main body and the cathode protruding block are of an integral structure.

[0007] Preferably, the push head gradually increases from left to right, and the push head is funnel-shaped.

[0008] Preferably, eight clamping blocks are arranged, and every two clamping blocks form a group, and the clamping blocks in each group are symmetrically arranged.

[0009] Preferably, the inner width of the through groove is matched with the outer width of the clamping block, and the through groove and the clamping block are movably connected.

[0010] Preferably, four cathode columns are arranged, and the four cathode columns are symmetrically arranged in pairs.

[0011] The utility model provides an aluminum electrolysis cell special-shaped cathode carbon block, which has the following beneficial effects:

[0012] When the cathode column needs to be repaired due to problems in the use process, the staff rotates the screw rod clockwise, the screw rod drives the push head to move to one side, the push head is separated from the clamping block, at this time, the reset spring pulls the clamping block to shrink into the through groove and is separated from the locking groove at the same time, at this time, the staff can pull the cathode column to one side, the cathode column is separated from the mounting groove, then the staff inserts the replaced cathode column into the mounting groove, then rotates the screw rod counterclockwise, the screw rod pushes the push head to extrude the clamping block outward, the clamping block moves out of the through groove and enters the locking groove, and the installation is completed. The structure design can replace the cathode carbon block, reduces the replacement time and replacement cost, and reduces the downtime. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a local structure schematic view of the cathode carbon block main body of the utility model;

[0015] Figure 3 It is a local structure schematic view of the cathode column of the utility model;

[0016] Figure 4 It is a sectional view of the cathode carbon block main body of the utility model.

[0017] In the drawing: 1, cathode carbon block main body; 2, cathode protruding block; 3, mounting groove; 301, locking groove; 4, cathode column; 5, screw sleeve; 6, screw rod; 7, through groove; 8, clamping block; 9, reset spring; 10, push head. DETAILED DESCRIPTION

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

[0019] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of aluminum electrolytic cell heteromorphic cathode carbon block, including cathode carbon block main body 1, the two sides of the cathode carbon block main body 1 are all set with mounting groove 3, the inboard of the mounting groove 3 is set with locking groove 301, the two sides of the cathode carbon block main body 1 are installed with cathode column 4 by mounting groove 3, the side of the cathode column 4 is embedded with screw sleeve 5, one end of the screw sleeve 5 is threadedly connected with screw rod 6, one end of the screw rod 6 is installed with push head 10, the front and back of the cathode column 4 are all set with through groove 7, the inboard of the through groove 7 is installed with clamping block 8, the inboard of the clamping block 8 is fixedly connected with reset spring 9.

[0020] In the embodiment, the top of the cathode carbon block body 1 is provided with a cathode protrusion 2, and the cathode carbon block body 1 and the cathode protrusion 2 are in an integrated structure, which effectively changes the flow pattern of the aluminum liquid in the electrolytic cell, reduces the aluminum liquid fluctuation, and makes the electrolysis reaction more stable.

[0021] In the embodiment, the push head 10 gradually increases from left to right, and the push head 10 is in a funnel shape, so that the push head 10 can separate the clamping block 8 outward when extruding the clamping block 8.

[0022] In the embodiment, the clamping block 8 is provided with eight, and every two of the eight clamping blocks 8 form a group, and the clamping blocks 8 in each group are symmetrically arranged, and the clamping block 8 can be clamped in the lock slot 301, so that the cathode column 4 and the mounting slot 3 are firmly fixed together.

[0023] In the embodiment, the inner width of the through slot 7 is matched with the outer width of the clamping block 8, and the through slot 7 and the clamping block 8 are movably connected, so that the clamping block 8 can only move linearly.

[0024] In the embodiment, the cathode column 4 is provided with four, and the four cathode columns 4 are symmetrically arranged in pairs, and the cathode column 4 can connect the corresponding number of power lines according to the needs.

[0025] Working principle: when the cathode column 4 needs to be repaired in the use process, the staff rotates the screw rod 6 clockwise, the screw rod 6 drives the push head 10 to move to one side, so that the push head 10 is separated from the clamping block 8, at this time the reset spring 9 pulls the clamping block 8 to shrink into the through slot 7, and at the same time separates from the lock slot 301, at this time the staff can pull the cathode column 4 to one side, the cathode column 4 will separate from the mounting slot 3, then the staff inserts the replaced cathode column 4 into the mounting slot 3, and then rotates the screw rod 6 counterclockwise, the screw rod 6 pushes the push head 10 to extrude the clamping block 8 outward, the clamping block 8 moves out of the through slot 7 and enters the lock slot 301, and it can be installed, so that the use process of the utility model is completed, the utility model has the advantages of simple structure, safe and convenient use.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A shaped anode carbon block for an aluminum reduction cell, characterized by: Including cathode carbon block body (1), both sides of the cathode carbon block body (1) are provided with installation groove (3), the inner side of the installation groove (3) is provided with lock groove (301), both sides of the cathode carbon block body (1) are provided with cathode column (4) through installation groove (3), one side of the cathode column (4) is embedded with screw sleeve (5), one end of the screw sleeve (5) is threadedly connected with screw rod (6), one end of the screw rod (6) is provided with push head (10), the front and back of the cathode column (4) are provided with through groove (7), the inner side of the through groove (7) is provided with clamping block (8), the inner side of the clamping block (8) is fixedly connected with reset spring (9).

2. The contoured anode carbon block for an aluminum reduction cell of claim 1, wherein: The top of the cathode carbon block body (1) is provided with cathode convex block (2), the cathode carbon block body (1) and the cathode convex block (2) are integrated structure.

3. The contoured cathode carbon block for an aluminum reduction cell of claim 1, wherein: The push head (10) gradually increases from left to right, and the push head (10) is funnel-shaped.

4. The contoured cathode carbon block for an aluminum reduction cell of claim 1, wherein: The clamping block (8) is provided with eight, and every two of the eight clamping blocks (8) are a group, and every group of the clamping blocks (8) is symmetrically arranged.

5. The contoured cathode carbon block for an aluminum reduction cell of claim 1, wherein: The inner width of the through groove (7) is matched with the outer width of the clamping block (8), and the through groove (7) is movably connected with the clamping block (8).

6. The contoured cathode carbon block for an aluminum reduction cell of claim 1, wherein: The cathode column (4) is provided with four, and the four cathode columns (4) are symmetrically arranged.