Composite ingot set for continuous casting of Cu-Al bimetal in down-pulling reverse solidification process

A composite ingot and reverse solidification technology, applied in the field of casting devices, can solve the problems of difficult operation, difficult implementation, unsatisfactory coating effect, etc., and achieves the effect of good effect, easy operation, and preventing copper and aluminum delamination and fracture.

Inactive Publication Date: 2006-11-08
LIAONING UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to overcome the existing problems such as unsatisfactory coating effect of copper-aluminum composite ingots, difficult operation, and difficulty in

Method used

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  • Composite ingot set for continuous casting of Cu-Al bimetal in down-pulling reverse solidification process
  • Composite ingot set for continuous casting of Cu-Al bimetal in down-pulling reverse solidification process
  • Composite ingot set for continuous casting of Cu-Al bimetal in down-pulling reverse solidification process

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Embodiment Construction

[0017] Such as figure 1 with figure 2 As shown, the present invention comprises a melting and holding furnace 5 and an ingot pulling device 18. There is a liquid outlet on the melting and holding furnace 5, and a crucible 8 is housed below the liquid outlet of the melting and holding furnace 5. Melt the outer skin composite material copper into copper liquid 9; a thermocouple 7 is also installed on the side of the melting and holding furnace 5 to measure the temperature of the copper liquid in the melting and holding furnace 5; Device 6, the heating and temperature regulating device 6 is a resistance heater, the heating and temperature regulating device 6 heats the copper liquid 9 in the crucible 8, and adjusts the temperature of the copper liquid 9 according to the process requirements; The crystallizer 11 is equipped with, and the crystallizer 11 is a cooling water jacket, and the crystallizer 11 carries out forced cooling to the lower part of the crucible 8, and the coppe...

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Abstract

The continuous Cu-Al bimetal composite ingot casting set operating on down-pulling reverse solidification process has improved including effect and may be used in industrial production. The present invention includes one melting and maintaining furnace and one ingot drawing unit, and features that there are a crucible below the liquid outlet of the melting and maintaining furnace, a heating and temperature regulating unit outside the crucible, a crystallizer below the crucible, a ingot drawing unit below the crucible, a metal aluminum core mounted onto the dummy bar of the ingot drawing unit and located inside the crucible, a casting speed controller, and a vacuum chamber for all the melting and maintaining furnace, the crucible, the heating and temperature regulating unit, the crystallizer and the casting speed controller to be set inside. Copper as the coating material is smelted in the melting and maintaining furnace and coated to the aluminum core with the crucible and the crystallizer while the composite ingot is drawn out with the ingot drawing unit.

Description

technical field [0001] The invention belongs to a casting device, in particular to a pull-down reverse solidification method continuous casting copper-aluminum bimetal compound ingot casting device. Background technique [0002] Copper-clad aluminum bimetal composite wire is a new type of wire. It uses aluminum as the inner core and copper as the outer skin, that is, a layer of copper is concentrically coated on the aluminum core wire to form a copper-aluminum composite wire. This kind of wire does not affect the conductive performance, and can save a lot of copper. The finished wire can be widely used in CATV, mobile communication cables and other fields. The market prospect is huge, so it has been valued by all parties. [0003] At present, there are many methods of copper-clad aluminum in industrial production, and the most widely used method in China is the cladding welding method. The specific process is: the cleaned copper strip is gradually made into a circular tube ...

Claims

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Application Information

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IPC IPC(8): B22D11/041B22D11/14
Inventor 常国威
Owner LIAONING UNIVERSITY OF TECHNOLOGY
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