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近来,高速烧嘴引起了人们的极大关注.使用高速烧嘴的目的是增大火焰的热传导,使其直接喷到熔池表面,以提高熔炼效率.这种工艺被称为“对流式熔炼”.如已报道的那样,对流式熔炼可使熔铝所需的能耗降低20-40%.本文就这种工艺的理论和实践作以介绍.
Recently, high-speed burners have drawn great attention.The purpose of using high-speed burners is to increase the heat conduction of the flame so that it is directly sprayed onto the surface of the bath to improve the smelting efficiency.This process is called “convection smelting ”As reported, convection melting can reduce the energy required for aluminum melting by 20-40%. This article presents the theory and practice of this process.