Insulation heating device for aluminum alloy casting launder
In the process of casting aluminum alloy ingots,insulation heating devices such as moving heating gun and the launder insulation cover(from the melt protection furnace,filter box,degassing box to the casting table)were designed,in order to reduce melt temperature drop in the launder and ensure semi-continuous casting temperature.The casting test of 3104 aluminum alloy shows that the launder insulation devices can reduce the temper-ature drop and fluctuation of aluminum melt,increase casting temperature,and effectively reduce the bright grain defects of 3104 aluminum alloy ingots caused by low casting tempera-ture.After verification,the launder heating devices can be widely applied in the industrial production of aluminum alloy ingots,improving the quality of the ingots.
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