Abstract: This article mainly introduces and analyses the production process characteristics and the structure characteristics of the main equipment of the 80 t Conarc furnace of one iron and steel group Co. in China. Comparing the main equipment of Conarc furnace with traditional electric arc furnace, the equipment type of Conarc furnace can better meet the production process requirements of large proportion hot metal charging. The Conarc furnace is highly flexible and adaptable to the type and proportion of raw materials. When hot metal direct charging is used to smelt steel in Conarc, the smelting process consists of electric arc furnace process and converter process. Electrode heating, carbon and oxygen injector of furnace shell, foam slag submerged arc smelting, charging hot metal from slag door, top blown oxygen decarburization, and the technical of dominant slag and steel to reduce production costs, increase production efficiency, shorten the production cost and tapping cycle.

Key words: Conarc furnace, electric arc furnace, charging hot metal, top blown oxygen, carbon and oxygen injector