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A kind of sintered solidified material for curing and connecting prebaked anode carbon blocks

A technology of curing material and pre-baked anode, applied in the field of aluminum electrolysis, can solve the problems of loss of bonding and gripping force, hot melting, volatilization, polycondensation, and anode carbon block falling, so as to reduce production costs and reduce the generation of residual poles. , to maintain the effect of conducting electricity

Active Publication Date: 2019-11-19
贵州和泰达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the electrolytic cell, the environmental conditions are extremely complex and harsh. In the environment where the temperature reaches 400-900 ° C, there is a strong magnetic field, and a large current of hundreds of thousands of amperes is continuously conducted, ordinary bonding materials will be damaged in a very short time. Phenomena such as hot melting, volatilization, and polycondensation lead to rapid denaturation of ordinary materials, loss of adhesive grip, residues of various impurities that will pollute the aluminum liquid, and a great increase in resistance. There is also the risk of the continuous anode carbon block falling off. Unable to meet the needs of continuous production of anode carbon blocks

Method used

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  • A kind of sintered solidified material for curing and connecting prebaked anode carbon blocks
  • A kind of sintered solidified material for curing and connecting prebaked anode carbon blocks
  • A kind of sintered solidified material for curing and connecting prebaked anode carbon blocks

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Embodiment 6

[0061] An application of a sintered solidified material in the field of electrolytic aluminum. The sintered solidified material is applied to the continuation of the aluminum electrolytic prebaked anode carbon block through softening and sintering. The sintered solidified material is made into a thin sheet through pretreatment, and it is to be placed in the electrolytic cell. When the online anode is consumed to the point that a new anode needs to be added, the thin plate-shaped sintered and solidified material is sandwiched between two carbon blocks when the anode is connected. The sintered and solidified material in the shape of a thin sheet is softened first, and then sintered and solidified until the two anode carbon blocks are bonded into one.

Embodiment 7

[0063] An application of a sintered solidified material in the field of electrolytic aluminum. The sintered solidified material is applied to the continuation of aluminum electrolytic prebaked anode carbon blocks through softening and sintering, and the sintered solidified material is made into a pasty sintered solidified material through pretreatment, and then Spread it evenly on the bottom of the new anode carbon block, and form a plate-shaped solid layer with a thickness of >1mm after solidification. When the online anode in the electrolytic cell is consumed to the point where a new anode needs to be added, the new anode with a sintered and solidified plate-shaped solid layer on the bottom surface Directly press and place on the anode of the original tank. In the temperature environment of 100°C to 900°C in the electrolytic cell, the plate-shaped solid layer of the sintered solidified material is softened first, and then sintered and solidified until the two anode carbon bloc...

Embodiment 8

[0065] An application of a sintered solidified material in the field of electrolytic aluminum. The sintered solidified material is applied to the continuation of aluminum electrolytic prebaked anode carbon blocks through softening and sintering, and the sintered solidified material is made into a powder-like sintered solidified material through pretreatment. When the online anode in the electrolytic cell is consumed to the point where a new anode needs to be added, evenly sprinkle the powdery sintered and solidified material on the upper surface of the original anode in the cell, and then press the new anode directly on the anode in the original cell, between the two anodes Form a layer of sintered solidified material powder layer with a thickness > 1mm. In the temperature environment of 100°C to 900°C in the electrolytic cell, the sintered solidified material powder layer is first melted and softened, and then sintered and solidified until the two anode carbon blocks are bonded...

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Abstract

The invention relates to the field of aluminum electrolysis, in particular to a sintering and curing material for curing and connecting a prebaked anode carbon block in the aluminum electrolysis industry. The sintering and curing material for curing and connecting the prebaked anode carbon block is prepared from the following raw materials: a carbon product, an organic substance raw material containing C, H, N and O elements, and a resin. According to the sintering and curing material for curing and connecting the prebaked anode carbon block provided by the invention, the material with a reliable sintering and curing performance is prepared through a scientific and reasonable raw material ratio and a preparation process and is applied to the aluminum electrolysis industry and especially the continuous use of an aluminum electrolysis prebaked anode, so that the aim of greatly reducing the generation of anode scraps during the aluminum electrolysis process is achieved, and the problem ofthe material continuously applied to the sintering and the curing of the aluminum electrolysis prebaked anode carbon block at present is solved.

Description

technical field [0001] The invention relates to the field of aluminum electrolysis, in particular to a sintered and solidified material for solidifying and connecting prebaked anode carbon blocks. Background technique [0002] The aluminum smelting electrolysis process is to use the anode carbon block suspended on the upper part of the tank and the cathode fixed at the bottom of the tank to conduct high-current direct current in the electrolytic tank. The main component in the tank is alumina (Al 2 o 3 ) electrolyte for electrolysis, the oxygen atoms react with the anode carbon block to generate CO 2 , CO gas is discharged, pure aluminum melt is generated at the bottom of the tank, and the smelting of metal aluminum is completed. Therefore, the anode carbon block participates in the reaction and is continuously consumed during the production process, and new anodes need to be replaced regularly. At present, the anodes used in the aluminum electrolysis process are all preb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25C3/12
CPCC25C3/125
Inventor 陈剑孙涛
Owner 贵州和泰达科技有限公司
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