Anode steel stud for electrolytic aluminum

An anode steel claw and electrolytic aluminum technology, which is applied in the field of anode steel claw for electrolytic aluminum, can solve the problems of increased metal resistance, lattice distortion, increased heat generation, etc., and achieves improved electrical conductivity, excellent corrosion resistance, and cost savings. Effect

Inactive Publication Date: 2017-03-22
QINHUANGDAO QINYE HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, practice has proved that the use of this steel has the following defects: ordinary carbon steel will produce lattice distortion due to the presence of interstitial atoms in the iron lattice, and with the solute atoms (C, Si, Mn, S, P, Cr, The amount of Cu, Ni, Mo) dissolved increases, and the resistance of the metal gradually increases
The arrangement of atoms at the grain boundary is irregular, resulting in distortion, resu

Method used

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  • Anode steel stud for electrolytic aluminum
  • Anode steel stud for electrolytic aluminum
  • Anode steel stud for electrolytic aluminum

Examples

Experimental program
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Example Embodiment

[0054] Example 1

[0055] The anode steel claws of the present invention are manufactured by using cast pure iron with the following element content ranges as raw materials: C 0.0075%, Si 0.004%, Mn 0.015%, P 0.0071%, S 0.0048%, Cr 0.0033%, Ni 0.0088% , V 0.0020%, Cu 0.0054%, Al 0.0030% and Fe 99.81%.

[0056] The impurity content of the anode steel claw obtained after the above-mentioned cast pure iron is poured by the lost foam casting technology is as follows: C 0.0065%, Si 0.006%, Mn 0.023%, P 0.0076%, S 0.0088%, Cr 0.0033%, Ni 0.0088 %, V 0.0019%, Cu 0.0059%, Al 0.0029%, and Fe 99.80%, and the resistivity of the anode steel claw is 0.121 μΩ·m.

Example Embodiment

[0057] Example 2

[0058] The anode steel claws of the present invention are manufactured using cast pure iron with the following element content ranges as raw materials: C 0.0095%, Si 0.0077%, Mn 0.038%, P 0.01%, S 0.0012%, Cr 0.0018%, Ni 0.01% , V0.0020%, Cu 0.0051%, Al 0.0030% and Fe 99.83%.

[0059] After the above-mentioned cast pure iron is cast by the lost foam casting technique, the anode steel claw obtained contains the following elements: C 0.01%, Si 0.008%, Mn 0.039%, P 0.011%, S 0.013%, Cr 0.017%, Ni 0.013 %, V 0.0023%, Cu 0.0048%, Al 0.0037%, and Fe 99.82%, and the resistivity of the anode steel claw is 0.130 μΩ·m.

Example Embodiment

[0060] Example 3

[0061] The anode steel claws of the present invention are manufactured using cast pure iron with the following element content ranges as raw materials: C0.0185%, Si 0.0045%, Mn 0.016%, P 0.011%, S 0.009%, Cr 0.0093%, Ni 0.0088% , V0.0017%, Cu 0.0034%, Al 0.0035% and Fe 99.87%.

[0062] After the above-mentioned cast pure iron is poured using the lost foam casting technology, the anode steel claws obtained contain the following elements: C 0.02%, Si 0.005%, Mn 0.02%, P 0.012%, S 0.012%, Cr 0.01%, Ni 0.009 %, V 0.0022%, Cu 0.004%, Al 0.004%, and Fe 99.81%, and the resistivity of the anode steel claw is 0.129 μΩ·m.

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Abstract

The invention provides an anode steel stud for electrolytic aluminum. The anode steel stud for electrolytic aluminum comprises following elements including less than 0.02% of C, less than 0.008% of Si, less than 0.039% of Mn, less than 0.012% of P, less than 0.013% of S, less than 0.029% of Cr, less than 0.013% of Ni, less than 0.0023% of V, less than 0.0059% of Cu, less than 0.0044% of Al and more than 97.50% of Fe. The anode steel stud is made of casting pure iron, conduction performance and corrosion resistance of the anode steel stud can be improved, the whole pressure drop of an anode electrode is reduced in the use process, electric energy is saved, and the service life of the steel stud is prolonged.

Description

technical field [0001] The invention relates to the technical field of electrolytic aluminum equipment, and more particularly relates to an anode steel claw for electrolytic aluminum. Background technique [0002] China is the world's largest producer of electrolytic aluminum. In 2015, the output of electrolytic aluminum in China was 31.11 million tons, accounting for about 50% of the global output. China's electrolytic aluminum output is mainly concentrated in Xinjiang, Henan, Inner Mongolia, Qinghai, Shandong, Gansu and other energy-rich provinces. The electrolytic aluminum industry is a big energy consumer, and the cost of electricity accounts for 40% of the cost of aluminum production. Therefore, energy saving is the main improvement trend of the electrolytic aluminum industry. [0003] The main process of electrolytic aluminum production is to use the principle of electrolytic reaction, use carbon as anode and cathode in the electrolytic cell, and DC electrolyze the c...

Claims

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Application Information

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IPC IPC(8): C25C3/12
CPCC25C3/12
Inventor 陈晓光王健
Owner QINHUANGDAO QINYE HEAVY IND
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