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High-strength high-conductivity aluminum alloy anode guide rod and manufacturing method thereof

A technology of anode guide rod and manufacturing method, which is applied in the field of aluminum electrolysis production to achieve the effects of increasing tensile strength, reducing bending deformation, and improving contact quality

Active Publication Date: 2018-04-13
GANSU DONGXING ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-strength and high-conductivity aluminum alloy anode guide rod to solve the problems and shortcomings of the traditional anode guide rod.

Method used

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  • High-strength high-conductivity aluminum alloy anode guide rod and manufacturing method thereof
  • High-strength high-conductivity aluminum alloy anode guide rod and manufacturing method thereof
  • High-strength high-conductivity aluminum alloy anode guide rod and manufacturing method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A high-strength and high-conductivity aluminum alloy anode guide rod, by mass percentage: Si 0.05%, Fe 0.30%, Ti 0.02%, B0.01%, Mg 0.70%, the rest is Al and unavoidable impurities, the sum of impurities It shall not exceed 0.2%, of which, each component of impurities shall not exceed 0.02%.

[0023] The manufacture method of this high-strength and high-conductivity aluminum alloy anode guide rod is as follows:

[0024] The first step: select electrolytic primary aluminum (aluminum ingot) with a purity of 99.6%, 99.9% magnesium ingot, and Φ9.5 mm Al-5Ti-B alloy rod as raw materials, magnesium ingot and Al-5Ti-B alloy rod The burning loss is controlled within 10%. Ingredients list 1 is as follows:

[0025] Table 1. Raw material formula table

[0026]

[0027] Step 2: Carry out slag removal treatment on molten aluminum in the mixing furnace and adjust the temperature to 780-800°C, add magnesium ingots to stir and melt into aluminum alloy liquid, perform refining dega...

Embodiment 2

[0034] A high-strength and high-conductivity aluminum alloy anode guide rod, by mass percentage: Si 0.1%, Fe 0.25%, Ti 0.025%, B0.015%, Mg0.75%, the rest is Al and unavoidable impurities, impurities The sum shall not exceed 0.2%, of which, each component of impurities shall not exceed 0.02%.

[0035] The manufacture method of this high-strength and high-conductivity aluminum alloy anode guide rod is as follows:

[0036] The manufacture method of this high-strength and high-conductivity aluminum alloy anode guide rod is as follows:

[0037] The first step: select electrolytic primary aluminum (aluminum ingot) with a purity of 99.6%, magnesium ingot with a purity of 99.9%, and Al-5Ti-B alloy rod with a diameter of 9.5 mm as raw materials, magnesium ingot and Al-5Ti-B alloy rod Burning loss is controlled within 10%, and batching table 3 is as follows:

[0038] Table 3. Raw material formula table.

[0039]

[0040] Step 2: Carry out slag removal treatment on molten aluminum ...

Embodiment 3

[0047] A high-strength and high-conductivity aluminum alloy anode guide rod, by mass percentage: Si 0.075%, Fe 0.3%, Ti 0.03%, B0.02%, Mg 0.80%, by mass percentage, the rest is Al and Unavoidable impurities, the sum of impurities shall not exceed 0.2%, and each component of impurities shall not exceed 0.02%.

[0048] The manufacture method of this high-strength and high-conductivity aluminum alloy anode guide rod is as follows:

[0049] The first step: select electrolytic primary aluminum (aluminum ingot) with a purity of 99.6%, magnesium ingot with a purity of 99.9%, and Al-5Ti-B alloy rod with a diameter of 9.5 mm as raw materials, magnesium ingot and Al-5Ti-B alloy rod Burning loss is controlled within 10%, and batching table 5 is as follows:

[0050] Table 5. Raw material formula table

[0051]

[0052] Step 2: Carry out slag removal treatment on molten aluminum in the mixing furnace and adjust the temperature to 780-800°C, add magnesium ingots and covering agent to sti...

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Abstract

The invention discloses a high-strength high-conductivity aluminum alloy anode guide rod and a manufacturing method thereof. The high-strength high-conductivity aluminum alloy anode guide rod consistsof the following components in percentage by mass: 0.05 to 0.1 percent of Si, 0.20 to 0.30 percent of Fe, 0.02 to 0.03 percent of Ti, 0.01 to 0.02 percent of B, 0.70 to 0.80 percent of Mg and the balance of Al and unavoidable impurities, wherein the impurities are trace elements, each component of the impurities does not exceed 0.02 percent and the total amount of the impurities does not exceed 0.02 percent. The traditional process method for manufacturing an anode guide rod by using pure aluminum or adding a small amount of magnesium element (less than or equal to 0.5 percent) into pure aluminum is broken, high-iron electrolytic aluminum liquid of 99.6 percent is adopted, and the magnesium element content is increased to 0.7 to 0.8 percent, so the problem that the surface hardness of theanode guide rod is insufficient is effectively solved.

Description

technical field [0001] The invention belongs to the technical field of aluminum electrolysis production, and in particular relates to a high-strength and high-conductivity aluminum alloy anode guide rod for aluminum electrolysis and a manufacturing method thereof. Background technique [0002] With the in-depth development of industrialization reform, China has become the world's largest producer and consumer of electrolytic aluminum. In 2016, the domestic production of electrolytic aluminum accounted for 56.27% of the total output of electrolytic aluminum in the world, and the production equipment of the electrolytic aluminum industry is constantly developing in the direction of large-scale, energy-saving and environmental protection. [0003] The anode guide rod is the conductor used to connect the anode busbar of the electrolytic cell and the anode steel claw in the aluminum electrolysis process, and plays the role of conducting electricity and suspending the anode carbon...

Claims

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Application Information

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IPC IPC(8): C25C3/12C22C21/06C22C1/03C22C1/06
CPCC22C1/026C22C1/03C22C1/06C22C21/06C25C3/12
Inventor 黄忠军李振中洪亚旭梁克韬王文军汪明革
Owner GANSU DONGXING ALUMINUM