The iron and steel industry is an important raw material industry in a country. The iron and steel industry is also called ferrous metallurgy industry. As an important basic industrial sector, the iron and steel industry provides the material basis for the development of national economy and national defense construction. The development level of metallurgical industry is also a symbol of a country's industrialization. The iron and steel industry is a huge heavy industry sector. Its raw materials, fuel and auxiliary material resources affect its scale, product quality, economic benefit and layout direction. With the development of world economy and science and technology, the demand for iron and steel, especially high-quality ones, is increasing day by day. Also, the resource condition of iron and steel is changing and the production technology develops continuously.