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Material for cast aluminum water distributor

A dispenser, a technology for casting aluminum, applied in the direction of casting melt containers, casting equipment, manufacturing tools, etc., can solve the problems of increasing labor intensity and production cost, not achieving optimal results, poor corrosion resistance of aluminum water, etc. The effect of production cost and workload, improved service life and extended replacement cycle

Inactive Publication Date: 2011-11-09
GUIZHOU BRANCH CHINA ALUMINUM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary stainless steel has poor corrosion resistance to aluminum water, short service life, and needs to be replaced frequently, which increases labor intensity and production cost
Patent 200610019237.X invented a new type of medium chromium stainless steel as a distributor material. Although the invention and use of this material have improved corrosion resistance, etc., the optimal effect has not been achieved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] The composition of the alloy material prepared by the powder metallurgy process is as follows: tungsten carbide 5%, titanium carbide 3%, titanium boride 6%, zirconium carbide 2%, nickel 60%, chromium 5%, Carbon 0.08%, silicon 0.7%, vanadium 0.5%, phosphorus less than 0.05%, sulfur less than 0.05%, and the rest is iron. The melting point of the material exceeds 1800°C, and the corrosion resistance has been greatly improved, thereby increasing the service life of the cast aluminum water distributor.

Embodiment 2

[0011] The composition of the alloy material prepared by the powder metallurgy process is as follows: tungsten carbide 15%, titanium carbide 3%, titanium boride 5%, nickel 10%, chromium 5%, carbon 1.0%, silicon 1.0%, 2% vanadium, less than 0.05% phosphorus, less than 0.05% sulfur, and the rest is iron. The melting point exceeds 1750℃, and the corrosion resistance has been greatly improved, thereby increasing the service life of the cast aluminum water distributor.

Embodiment 3

[0013] The composition of the alloy material prepared by the powder metallurgy process is as follows: tungsten carbide 9%, titanium carbide 15%, titanium boride 15%, zirconium carbide 5%, nickel 5%, and chromium 1%. Carbon 0.08%, silicon 0.5%, vanadium 0.5%, phosphorus less than 0.05%, sulfur less than 0.05%, and the rest is iron. It adopts powder metallurgy process for roasting and forming at one time. The melting point exceeds 1850°C, and the corrosion resistance has been greatly improved, thereby increasing the service life of the cast aluminum water distributor.

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Abstract

The invention provides a material for a cast aluminum water distributor for aluminum electrolysis and relates to an alloy material for the aluminum water distributor used in a casting process of an aluminum liquid generated by electrolysis during an electrolytic aluminum production process. The material is characterized by comprising the following components in percentage by weight: 5%-15% of tungsten carbide, 2%-15% of titanium carbide, 1%-15% of titanium boride, 0-5% of zirconium carbide, 5%-10% of nickel, 1%-5% of chromium, 0.01%-1.0% of carbon, 0.5%-1.0% of silicon, 0.5%-2% of vanadium, less than 0.05% of phosphorus, less than 0.05% of sulfur and the balance of iron and inevitable impurities. In the material for the cast aluminum water distributor for aluminum electrolysis, the material of the aluminum water distributor is designed again, and compounds with high melting points and strong corrosion resistance, such as tungsten carbide, titanium carbide, titanium boride and the like, are added, thus prolonging the service life of the distributor, prolonging the exchange period, reducing production cost and alleviating labor intensity.

Description

Technical field [0001] The invention relates to a material for an aluminum water dispenser for aluminum electrolytic casting, and relates to an alloy material for an aluminum water dispenser during an aluminum liquid casting process generated by electrolysis during electrolytic aluminum production. Background technique [0002] With the development of science and technology, the production technology of aluminum electrolysis has also made significant progress, from the initial small cell development to the computer-controlled-automated intermediate point feeding large-scale pre-baked aluminum electrolysis cell, and then to the current low energy consumption, low voltage and long life. produce. Most of the molten aluminum produced by electrolysis is cast into ingots through the molten aluminum distributor during the casting process. At present, the main component of the aluminum water distributor material is ordinary stainless steel, and the aluminum outlet is also welded with st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C32/00C22C38/60C22C38/54B22D41/00
Inventor 秦庆东邱仕麟罗丽芬
Owner GUIZHOU BRANCH CHINA ALUMINUM IND
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