シャフト炉式還元炉とキュポラ式溶解炉の組合せによる製銑法の開発
1987 年 73 巻 15 号 p. 2122-2129
詳細
1987 年 73 巻 15 号 p. 2122-2129
The new ironmaking process, named SC process, has been developed, which is characterized by the division of two functions, reduction and smelting. This process consists of a shaft type reduction furnace and a coke bed type melting furnace using a large amount of pulverized coal and oxgen gas blowing.
Through operation tests with a pilot plant of 8 t per day in production capacity ; SC process has been technically verified to be consistent as an ironmaking process.
Based on the operational results of the pilot plant, a commercial plant of 2 400 t per day with following features was designed.
1) High productivity, 2.5 times as much as that of blast furnace.
2) High heat efficiency, competitive to blast furnace.
3) Wide use of non-coking coal, as much as 70% of total coal consumption.
