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Method for preparing mould cover of carbon block on anode of heterogeneous edge table in use for electrolyzing aluminum

A technology for anode carbon block and aluminum electrolysis, which is applied in the field of metallurgical electrolysis, can solve the problems of high anode gross consumption, heavy residual electrode weight, anodization, etc., and achieves the effect of less investment and good effect.

Active Publication Date: 2009-12-09
SHANDONG NANSHAN ALUMINUM
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Problems solved by technology

[0002] At present, the preparation of the existing anode carbon block for aluminum electrolysis is to use the mold to change the anode carbon block into a square-shaped platform, which has the following disadvantages: the anode installed on the electrolytic cell is located at the cutting point of the electrolytic cell. Insulation material is not easy to add, resulting in serious anodic oxidation; and the weight of the residual pole is large, and the gross consumption of the anode is high

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  • Method for preparing mould cover of carbon block on anode of heterogeneous edge table in use for electrolyzing aluminum
  • Method for preparing mould cover of carbon block on anode of heterogeneous edge table in use for electrolyzing aluminum
  • Method for preparing mould cover of carbon block on anode of heterogeneous edge table in use for electrolyzing aluminum

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Embodiment Construction

[0015] The specific embodiments of the present invention are given below with reference to the accompanying drawings, which are used to further describe the structure of the present invention, and the specific implementation of the present invention is not limited to the following examples.

[0016] Reference to the preparation method of the special-shaped prism anode carbon block mold cover for aluminum electrolysis in this embodiment Figure 4 , 5 , 6, including the following steps:

[0017] First, measure the dimensions of the corners of the original anode carbon block quadrangular platform-shaped forming mold cover 1. According to the measured size, use 45# steel to plan out the special-shaped additional iron 2, and weld and attach it to the two small sides 3 of the mold cover. Transform the 45-degree angle on the two small sides of the mold cover 1 into a 35-degree angle by using the method, and measure and calculate the slope angle of the mold cover to be consistent wit...

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Abstract

The invention relates to a preparation method of a special-shaped prism anode carbon block mold cover for aluminum electrolysis, and belongs to the technical field of metallurgical electrolysis. The preparation method of the special-shaped prism anode carbon block mold cover for aluminum electrolysis is characterized in that it includes the following steps: firstly measure the dimensions of the corners of the original anode carbon block quadrangular truss-shaped forming mold cover 1, and plan out with steel according to the measured size. The special-shaped additional iron 2 is welded and attached to the two small sides 3 of the mold cover, and the 45-degree angle on the two small sides of the mold cover 1 is transformed into a 35-degree angle by using the angle-changing method; then measure the dimensions of the four small corners, and then plan out the special shape with steel planing Attach iron 4, after welding the four small corners of the mold cover, form the anode carbon block mold cover. The electrolytic cell processed and formed by the present invention uses special-shaped angular anode carbon blocks, and the insulation material at the top of the carbon block is easy to add, and the anode is not easy to oxidize at the cutting point of the anode middle seam; compared with the original square-shaped anode carbon block, the gross consumption of aluminum anode per ton is reduced About 8 kg or more.

Description

1. Technical field [0001] The invention relates to a preparation method of a special-shaped prism anode carbon block mold cover for aluminum electrolysis, and belongs to the technical field of metallurgical electrolysis. 2. Background technology [0002] At present, the preparation of the existing anode carbon block for aluminum electrolysis is to use the mold to change the anode carbon block into a square-shaped platform, which has the following disadvantages: the anode installed on the electrolytic cell is located at the cutting point of the electrolytic cell. Insulation material is not easy to add, resulting in serious anodic oxidation; and the weight of the residual pole is large, and the gross consumption of the anode is high. 3. Contents of the invention [0003] The purpose of the present invention is to solve the deficiencies in the prior art above, to provide a solution to the oxidation problem of the anode carbon block used in the electrolytic cell at the feeding...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25C3/12B28B7/00
Inventor 刘海石宋昌明慕兴禄曲春宝王恒玉马正清
Owner SHANDONG NANSHAN ALUMINUM
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