阐述了冲天炉生产灰铸铁和球墨铸铁的作业过程，从熔化、修炉、风量风压调整、孕育、测温，设备使用、浇注等具体要点进行了介绍。每一项操作过程和检查重点，都应严格把关，在确保铁水成分达到技术要求的同时进行安全生产。%Operation sequences of production of grey iron and ductile iron in a cupola, including melting, furnace repair, controls of both blast volume and blast pressure,inoculation, temperature measurement, pouring, and other essentials, were introduced. Every operation and examination should be strictly controlled, to ensure the molten iron composition meeting customer requirements and the safety of casting production.
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