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Alumina anode steel claw protection ring and method for producing the same

A technology of anode steel claw and production method, applied in the field of metallurgy, can solve the problems of thermal energy loss, increase the probability of electric effect, increase the amount of carbon residue in the fire hole, etc., and achieve the effects of reducing loss, reducing the probability of effect and increasing the content

Inactive Publication Date: 2006-07-19
邹建明 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the carbon anode steel claw protection ring used in the production process of electrolytic aluminum is usually made of carbon or carbon-containing materials. During the manufacturing process, a large amount of asphalt and tar fumes that seriously pollute the environment will be produced; In the process of use, it is easy to burn excessively, and consume electric energy in vain, and the electric energy is converted into heat energy and lost, and at the same time releases CO 2 gas, increasing CO during electrolysis 2 Gas emissions have a certain impact on the environment
In the production process of electrolytic aluminum, because there is not enough oxygen to completely burn off the carbon powder in the electrolytic cell, resulting in fire eye carbon slag, the carbon anode protection ring will also produce a certain amount of carbon powder falling into the electrolyte, which causes electrolytic aluminum In the production process, the amount of fire eye carbon slag increases and the current consumption increases. The carbon content of fire eye carbon is only about 30%, while the content of alumina and fluoride salt is 70%. The increase of fire eye carbon slag means that the raw materials for the electrolysis process are increased. Loss
The increase of carbon slag in the fire eye will also increase the probability of electric effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Al in alumina material 2 o 3 The content is 95-100%, mixed with a proper amount of bentonite, and solidified after molding by a conventional method.

[0012] The obtained product has high production cost and good quality, and does not affect the quality of the aluminum ingot when used.

Embodiment 2

[0014] Al in alumina material 2 o 3 The content is 90-94%. It is mixed with appropriate amount of water glass and solidified after being molded by conventional methods.

[0015] The obtained product has relatively high production cost and good quality, has little impact on the quality of aluminum ingots during use, and has good performance-price ratio.

[0016] Example

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PUM

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Abstract

The invention discloses an aluminum oxide anode steel paw protection ring and the production process, wherein the ring is made from 20-100% of aluminum oxide and right amount of binder through mixing, forming and hardening by the conventional methods.

Description

technical field [0001] The invention belongs to the technical field of metallurgy, specifically relates to an alumina anode steel claw protection ring, and also relates to a production method of the alumina anode steel claw protection ring. Background technique [0002] At present, the carbon anode steel claw protection ring used in the production process of electrolytic aluminum is usually made of carbon or carbon-containing materials. During the manufacturing process, a large amount of asphalt and tar fumes that seriously pollute the environment will be produced; In the process of use, it is easy to burn excessively, and consume electric energy in vain, and the electric energy is converted into heat energy and lost, and at the same time releases CO 2 gas, increasing CO during electrolysis 2 Gas emissions have a certain impact on the environment. In the production process of electrolytic aluminum, because there is not enough oxygen to completely burn off the carbon powder...

Claims

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Application Information

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IPC IPC(8): C25C3/12
Inventor 邹建明阮正林
Owner 邹建明
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