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Semicontinuous casting device and method of aluminum alloy

A semi-continuous, aluminum alloy technology, applied in aluminum alloy semi-continuous casting devices and fields, can solve the problems of alloy plasticity stability and adverse effects on uniformity, and achieve the advantages of avoiding secondary pollution, refining solidification structure, and improving comprehensive performance. Effect

Active Publication Date: 2016-01-06
NORTHEASTERN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the agglomerated oxides in the aluminum melt have adverse effects on the plasticity, weldability, and stability and uniformity of the material properties of the alloy.

Method used

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  • Semicontinuous casting device and method of aluminum alloy
  • Semicontinuous casting device and method of aluminum alloy
  • Semicontinuous casting device and method of aluminum alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] An aluminum alloy semi-continuous casting device, the schematic diagram is as figure 1 As shown, it consists of flow system, shear system, crystallization system, stirring system and traction system;

[0033] The flow supply system is composed of launder plate 1, launder 2 and guide tube 4; launder 2 is surrounded by launder plate 1, and guide tube 4 is located below launder 2;

[0034] The shearing system is composed of a diversion tube partition 5, an upper coil 7 and a variable frequency power supply 6; the upper coil 7 is located outside the draft tube 4, and the diversion tube partition 5 is located in the diversion tube 4, placed in a horizontal direction, and the diversion There are multiple through holes on the tube separator 5, the upper coil 7 is connected to the variable frequency power supply 6 through wires, and the shearing system applies alternating current to the upper coil 7 to make the aluminum melt 3 in the draft tube 4 generate a strong and rapid flo...

Embodiment 2

[0040] An aluminum alloy semi-continuous casting device, its structure is the same as that of Example 1, the difference is that: the diameter of the opening on the diversion tube separator is Φ5mm; the spacing between the holes on the diversion tube separator is 5mm; the upper coil and the lower coil are both It is wound from flat copper wire with 50 turns.

Embodiment 3

[0042] An aluminum alloy semi-continuous casting device, its structure is the same as that of Example 1, the difference is that: the diameter of the opening on the diversion tube partition is Φ30mm; the spacing between the holes on the draft tube partition is 50mm; the upper coil and the lower coil are both It is wound from flat copper wire with 200 turns.

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Abstract

The invention provides a semicontinuous casting device and method of an aluminum alloy, and belongs to the technical field of casting equipment of the aluminum alloy. The semicontinuous casting device and method are provided so as to improve the quality of aluminum alloy ingots, refine structures of cast ingots, and lower harmful effects generated by oxides gathering in molten aluminum on the aluminum alloy ingots and subsequent deep-processed products. The semicontinuous casting device consists of a flow supply system, a shearing system, a crystallization system, a stirring system and a traction system. The semicontinuous casting device is provided with the shearing system on the basis of conventional semicontinuous casting of the aluminum alloy; through an upper coil, a variable-frequency power source and a flow-guide-pipe partition board in the shearing system, the molten aluminum in a flow guide pipe flows intensely and quickly, and the generated powerful shearing force scatters gathered oxidation films in the molten aluminum; the stirring effect of a low-frequency electromagnetic field is utilized to uniformly scatter mass points of the scattered oxidation films to different positions in a crystallizer, so that solidification structures are refined, and the comprehensive performance of the aluminum alloy is improved.

Description

technical field [0001] The invention belongs to the field of aluminum alloy casting equipment and technology, in particular to an aluminum alloy semi-continuous casting device and method. Background technique [0002] Aluminum alloy has good plasticity and can be processed into various profiles, plates and forgings. It is widely used in industry. It is a metal material second only to steel in consumption. It has been widely used in various fields of national economy, such as aerospace, transportation, and electronic communication. , light industrial building materials, packaging containers, petrochemical, hardware and electrical appliances and many other fields. With the continuous development of aluminum alloys in aviation, aerospace, high-speed rail and other application fields, higher requirements are put forward for the performance of aluminum alloys. That is: under the premise of ensuring the strength of the aluminum alloy, it is necessary to further improve the plasti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/14B22D11/115
Inventor 王向杰孙刚马青梅王立娟崔建忠
Owner NORTHEASTERN UNIV
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