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Step type paste bundling cathode structure

A cathode structure and stepped technology, applied in the field of aluminum electrolysis, can solve the problems affecting the life of the tank, the damage of the tank lining, and the acceleration of the electrolyte flow rate, etc., and achieve the effects of simple construction, reduced horizontal current, and high practical value

Inactive Publication Date: 2013-02-13
GUIYANG AL-MG DESIGN & RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the horizontal current will speed up the electrolyte flow rate, erode the side of the furnace, damage the furnace, cause damage to the tank lining, and affect the life of the tank

Method used

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  • Step type paste bundling cathode structure
  • Step type paste bundling cathode structure
  • Step type paste bundling cathode structure

Examples

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Embodiment Construction

[0018] Implementation example of the present invention: a step-shaped paste surface 4 is set near the outlet end of the cathode steel rod 2, and the position of the step-form paste surface 4 is filled with a high-temperature-resistant insulating material, and the high-temperature-resistant insulating material is ceramic fiber cotton .

[0019] image 3 , 4 Among them, 1 is the cathode carbon block, 2 is the cathode steel rod, 3 is the paste surface of the steel rod, and 4 is the paste surface of the stepped shape.

[0020] Figure 4 middle, is the cathode length, The length of the high temperature resistant insulating material for the stepped shape of the filling, and The relationship is: .

[0021] is the total height of the paste, , are respectively the heights of the two steps of the filled step-shaped high-temperature-resistant insulating material, , and The relationship is:

[0022] , .

[0023] In the cathode structure, since the contact ar...

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Abstract

The present invention discloses a step type paste bundling cathode structure, wherein a step-shaped paste bundling surface (4) is arranged close to an electricity outlet end of a cathode steel bar (2), the position of the step-shaped paste bundling surface is filled with a high temperature resistance insulation material, the high temperature resistance insulation material is ceramic fiber cotton or other materials having the same effect, and the number of steps can be two or more. The step type paste bundling cathode structure has the following characteristics that: construction is simple, no material processing problem exists, the effect is significant, and the step type paste bundling cathode structure is a cathode structure for easily reducing a horizontal current, has a high practical value, and can be used in old electrolyte tank transformation or new electrolyte tank design.

Description

technical field [0001] The invention relates to a cathode structure of an electrolytic cell, belonging to the technical field of aluminum electrolysis. Background technique [0002] The interaction between the horizontal current and the vertical magnetic field is the main reason for the fluctuation of the molten aluminum in the electrolytic cell, and the fluctuation of the molten aluminum will cause a voltage swing. In addition, the horizontal current will accelerate the electrolyte flow rate, erode the side of the furnace, damage the furnace, cause damage to the tank lining, and affect the life of the tank. Therefore, the horizontal current has a great influence on the current efficiency, stability, and cell life. Analyzing the cause of the horizontal current and the countermeasures have far-reaching significance for production management. [0003] Generally, there are two reasons for the generation of horizontal current in the aluminum liquid layer: (1) The horizontal cur...

Claims

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Application Information

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IPC IPC(8): C25C3/08
Inventor 刘正黄俊
Owner GUIYANG AL-MG DESIGN & RES INST
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