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Manufacturing method of pre-baking aluminium cell shell

A technology of an aluminum electrolytic cell and a manufacturing method, which is applied in the directions of manufacturing tools, arc welding equipment, welding equipment, etc., can solve the problems of damage to the electrolytic cell, stop production and maintenance, increase the maintenance cost and workload of the electrolytic cell, etc., so as to ensure the construction quality. Effect

Inactive Publication Date: 2013-07-17
CHINA SIXTH METALLURGICAL CONSTR
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art, the tank shell used in the prebaked anode electrolytic cell is basically a traditional box-shaped structure. Although it has the advantages of simple structure and good overall rigidity, the cathode carbon block is due to sodium absorption and heat in the electrolysis production process. A considerable force acts on the inner wall of the tank shell, and the force is finally transmitted to the cradle bracket, and a large bending moment is generated at the corner of the cradle bracket, causing the corner of the cradle bracket to tear, Cause early breakage of the electrolytic cell
This will increase the maintenance cost and workload of the electrolyzer, and will also cause production shutdown and maintenance, which will greatly damage the economic interests of the manufacturer.

Method used

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  • Manufacturing method of pre-baking aluminium cell shell
  • Manufacturing method of pre-baking aluminium cell shell
  • Manufacturing method of pre-baking aluminium cell shell

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] 1. Fabrication of the short side structure of the tank shell

[0025] In order to control the welding deformation and ensure the production quality, the short side structure of the tank shell must be welded on the paired mould. The short side plate structure mould, such as figure 1 shown.

[0026] The short side plate structure uses a semi-automatic cutting machine for blanking or beveling.

[0027] After the short side wall plate and the shroud are cut and leveled, use the plate rolling machine to perform arc positioning according to the arc positioning, and check with the sample. The gap should not be greater than 1mm, and cut off the intersection line between the short side wall plate and the inclined side plate , set aside for use.

[0028] Buckle the rolled short side wall plate on the tire mold, and clamp the center with the clamp (3), draw the position lines of each group, and assemble in the order of along the plate→slope side plate→T-shaped plate→shroud Righ...

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Abstract

A manufacturing method of a pre-baking aluminium cell shell comprises the steps of short side plate structure manufacturing of the cell shell, long side plate structure manufacturing, bottom plate manufacturing and cell shell assembling. The manufacturing process of the pre-baking aluminium cell shell is more convenient and fast due to a mould for the short side plate structure manufacturing, a mould for the long side plate structure manufacturing and a mould for bottom plate turning.

Description

[0001] Field [0002] The invention relates to the field of manufacturing aluminum electrolytic cells, in particular to a method for manufacturing a prebaked aluminum electrolytic cell shell. technical background [0003] Aluminum electrolytic cell is the main equipment for aluminum smelting production, mainly including tank shell, cradle frame, tank cover, cathode, anode, conductive system, etc. Among them, the tank shell is the main place for electrolytic reaction, which is a square pool-like structure surrounded by a bottom plate, two side wall plates, and two end plates. Since the reaction conditions of aluminum electrolysis are very harsh, in order to ensure that the entire aluminum electrolysis process can be carried out safely and effectively, it is necessary for the electrolytic cell shell to maintain as little deformation and low temperature as possible under the combined influence of complex high temperature environment and various forces Crack rate. [0004] In re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B23K9/00B23K9/32B23K37/04
Inventor 柴学俭赵玉党祝乃政薛长省
Owner CHINA SIXTH METALLURGICAL CONSTR
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