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A kind of coating protective material for anode steel claws

A technology of anode steel claws and protective materials, applied in the field of anode steel claws, can solve the problems of poor conductivity, impact on service life, reduced strength, etc., and achieve the effect of delaying electrochemical corrosion and prolonging service life.

Active Publication Date: 2016-04-27
苏州远略知识产权运营有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem in the prior art that the anode steel claws are corroded in the electrolytic cell, resulting in poor electrical conductivity and reduced strength, thereby affecting the service life, the present invention provides a coating protection material for the anode steel claws. The surface of the claws is painted with this protective coating, so that the anode steel claws are isolated from the special environment in the electrolytic cell to a certain extent, which greatly delays the erosion process of the anode steel claws and prolongs the service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A brushing protection material for anode steel claws, which is composed of main materials and auxiliary materials, wherein the main materials are composed of bauxite, quartz sand and elemental silicon powder, and the weight of bauxite accounts for 50% of the total weight of the main materials. %, the weight of quartz sand accounts for 40% of the total weight of the main material; the auxiliary materials include 20% of the high-temperature binder by weight of the main material, 10% of the cellulose by weight of the main material and 5% of the defoamer by weight of the main material.

[0015] The above is the basic implementation of this embodiment, which can be further improved or optimized on the basis of the above:

[0016] For example, the auxiliary material is also added with 20% by weight of the main ingredient Paocyanine, 5% by weight of the preservative by weight of the main ingredient, and 3% by weight of the bone meal in the main ingredient;

[0017] For example...

Embodiment 2

[0020] A brushing protection material for anode steel claws, which is composed of main materials and auxiliary materials, wherein the main materials are composed of bauxite, quartz sand and elemental silicon powder, and the weight of bauxite accounts for 40% of the total weight of the main materials. %, the weight of quartz sand accounts for 30% of the total weight of the main material; the auxiliary materials include 1% by weight of the main material high temperature binder, 2% by weight of the main material cellulose and 0.1% by weight of the main material defoamer.

[0021] The above is the basic implementation of this embodiment, which can be further improved or optimized on the basis of the above:

[0022] For example, the auxiliary material is also added with 1% by weight of the main ingredient Paocyanine, 0.1% by weight of the preservative by weight of the main ingredient, and 1% by weight of the bone meal in the main ingredient;

[0023] For example, the main material ...

Embodiment 3

[0026] A brushing protective material for anode steel claws, which is composed of main materials and auxiliary materials, wherein the main materials are composed of bauxite, quartz sand and elemental silicon powder, and the weight of bauxite accounts for 45% of the total weight of the main materials. %, the weight of quartz sand accounts for 35% of the total weight of the main material; the auxiliary materials include 10% of the high-temperature binder by weight of the main material, 6% of the cellulose by weight of the main material and 2.5% of the defoamer by weight of the main material.

[0027] The above is the basic implementation of this embodiment, which can be further improved or optimized on the basis of the above:

[0028] For example, the auxiliary material is also added with 11% by weight of the main material salicylic acid, 2.6% of the preservative by weight of the main material and 2% of the bone meal by the weight of the main material;

[0029] For example, the ...

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PUM

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Abstract

The invention relates to a painting protection material used for an anode steel claw, which is composed of a main material and an auxiliary material, wherein the main material is composed of bauxite, quartz sand and a simple substance silicon powder, bauxite weight accounts for 40-50% of total weight of the main material, weight of quartz sand accounts for 30-40% of total weight of the main material; and the auxiliary material comprises a high temperature bonding agent with weight accounting for 1-20% of weight of the main material, cellulose with weight accounting for 2-10% of weight of the main material and an antifoaming agent with weight accounting for 0.1-5% of weight of the main material. According to the invention, the main material such as bauxite and quartz sand enables soil hardening at high temperature environment under auxiliary of the high temperature bonding agent and cellulose, so that a protective layer is formed for isolating the anode steel claw with an electrolyte, alumina and other gaseous state substances, generation of electrochemical corrosion is effectively delayed, and the usage life of the anode steel claw can be prolonged.

Description

technical field [0001] The invention relates to an anode steel claw used in the field of electrolytic aluminum production, in particular to a brushing protective material for anode steel claw. Background technique [0002] In the electrolysis of aluminum, the carbon anode used needs to use the anode steel claw to put the anode carbon block into the electrolytic cell to electrolyze the aluminum oxide. Since the anode steel claws are generally made of cast iron, in the high temperature special environment of the electrolytic cell, they will be gradually eroded, resulting in reduced electrical conductivity and strength, which not only reduces the service life of the anode steel claw, but also additionally The casting cost of the anode steel claw is increased, resulting in an increase in the production cost. SUMMARY OF THE INVENTION [0003] In order to solve the problem in the prior art that the anode steel claw is corroded in the electrolytic cell, resulting in poor electri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D7/12C25C3/12
Inventor 王会智杨国伟
Owner 苏州远略知识产权运营有限公司