The cupola furnace and smelting technology development, current status and trend; the application of dust removal system, current status and development have been introduced. It has been pointed out that the cupola development trend would be large capacity, long service life and automatation, with some problems of the dust removal technology needed to be resolved.%介绍了冲天炉炉型及熔炼技术的发展、现况及趋势,除尘系统的应用、现况及发展.指出了冲天炉向大容量、长炉龄、自动化发展的必然趋势和除尘环保需要解决的问题.
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