A continuous anode carbon block and its processing method

Abstract

The invention discloses a continuous anode carbon block and a processing method thereof, and belongs to the technical field of metallurgy. The continuous anode carbon block is of a rectangular or square structure; a blocking block is arranged on the upper surface of the continuous anode carbon block; a blocking slot is formed in the lower surface of the continuous anode carbon block; the upper surface and the lower surface of the continuous anode carbon block are sawtooth-shaped corrugated surfaces; slide paths are separately arranged on a group of opposite surfaces of side surfaces; and fixed connecting regions are arranged at the two sides of the slide paths. The processing method for the continuous anode carbon block comprises the following steps of: (1) preparing the anode carbon block; (2) processing the upper surface and the lower surface; (3) processing two end surfaces; and (7) processing slide conductive slots. An intelligent electrolytic cell prepared by the continuous anode carbon block can solve the technical problems that nearly 25% of anode scrap of the anode carbon block cannot be used and electromagnetic field fluctuation of the electrolytic cell is caused by intermittently replacing the anode in current electrolytic aluminum industry, so that a resource utilization rate is increased, and electrolytic energy consumption is reduced.

Description

technical field [0001] The invention relates to the technical field of metallurgy, in particular to a continuous anode carbon block and a processing method thereof. Background technique [0002] Prebaked anode aluminum electrolytic cells have become the technical mainstream of aluminum smelting methods in the world today. However, the traditional aluminum electrolytic cell production adopts the process of "intermittently replacing prebaked anodes", which has the following problems: ① The investment and operating costs of the supporting anode assembly production line increase; (approximately 20%); ③ After the anode residue is returned to the anode production system as an additive, the quality of the prebaked anode is greatly reduced. [0003] Taking the 300,000-ton aluminum electrolysis series project as an example, the infrastructure investment of the supporting anode assembly production line is about 103 million yuan, which is equivalent to an increase of about 264 yuan in...

AI Technical Summary

Problems solved by technology

However, the traditional aluminum electrolytic cell production adopts the process of "intermittently replacing prebaked anodes", which has the following problems: ① The investment and operating costs of the supporting anode assembly production line increase; (approximately 20%); ③ After the anode residue is returned to the anode production system as an additive, the quality of the prebaked anode is greatly reduced

The disadvantages of this structure are: the mid-point automatic feeding technology cannot be used, the size of the prebaked anode is too large and it is difficult to replace, and the quality requirements for the special bonding paste are very high, etc.

The patent "Continuous Prebaked Anode Combination Structure of Aluminum Electrolyzer (CN103088367A)" provides a new type of fixture used in conjunction with special-shaped anode carbon blocks, which can solve the problem of residual electrodes, but the anode cannot be replaced continuously

The patent "a continuous anode device for aluminum electrolytic cell (CN2552947Y)" proposes to use crawlers and anode paste to realize continuous supply of anodes. This patent uses anode carbon blocks similar to self-baking anodes, and does not provide a connection method for anode busbars

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