Raw materials for blast furnace ironmaking

2022-06-08

　　The raw materials for blast furnace smelting are mainly composed of iron ore, fuel (coke) and flux (limestone). 　　Generally, smelting 1 ton of pig iron requires 1.5-2.0 tons of iron ore, 0.4-0.6 tons of coke, 0.2-0.4 tons...

Study on morphology and composition of dust collected from different processes in iron and steel smelting process

2022-06-08

　　Abstract: a large number of pollutants will be produced in the process of iron and steel smelting. The annual emission of smoke and dust is huge. Particles are the main component of smoke and dust in iron and steel enterprise...

Fangda special steel 1000M ³ Progress of blast furnace ironmaking technology

2022-06-08

　　Abstract: the main experiences of Fangda special steel in blast furnace operation technology and management in recent years are summarized. Through continuous optimization of blast furnace operation, paying close attention to...

Improvement and application of refractory for iron hook under low silicon ironmaking process

2022-06-08

　　Abstract: in view of the accelerated erosion and scouring of the main iron trench due to the low viscosity and strong fluidity of molten iron after the implementation of low silicon iron making process in blast furnace, the e...

Summary of large blast furnace ironmaking technology

2022-06-08

　　Abstract: large blast furnace is the development trend of blast furnace ironmaking in the world and the centralized representative of advanced ironmaking technology. Large blast furnace has the advantages of low energy consum...

Practice of revamping 1780m3 blast furnace slag system at Dagang

2022-06-08

　　Abstract: at the end of 2018, Dagang started smelting vanadium titanium magnetite at 1780m3. The comprehensive furnace grade decreased, the slag iron ratio increased, the slag viscosity was high, and the vitrification rate wa...