Exploration and practice of distribution matrix for No. 1 BF of Han steel

2022-06-10

　　Abstract: the distribution matrix is an important means to adjust the burden system of blast furnace. Through continuous exploration and study of blast furnace distribution matrix, combining theory with practice, Han Steel No...

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...

Analysis of ironmaking water consumption and water saving practice in Angang

2022-06-08

　　Abstract: in order to reduce the water consumption of Angang iron and Steel Co., Ltd., the water consumption of sintering process and blast furnace process was analyzed. By taking measures such as overflow control, water poin...

Experimental study and application of increasing the proportion of lump ore used in Anyang Iron and steel blast furnace

2022-06-08

　　Through the experimental research and chemical composition analysis on the high temperature performance of lump ore, in the actual production, select and use lump ore varieties with low expansion rate, less negative impact on...

Production practice of Xingcheng 3200m3 blast furnace

2022-06-08

　　Abstract: the production practice of Xingcheng 3200m3 large blast furnace in the past 31 months has been summarized. Through more than 2 years of hard exploration, the operation skills and management ability have been steadil...

Study on solution and process optimization of 304 stainless steel edge rust pressing defects

2022-06-08

　　During the rolling process of 300 series stainless steel 304 steel in the 1700mm hot rolling production line of the hot rolling branch of Beihai Chengde metal rolling Co., Ltd. (hereinafter referred to as Beihai Chengde), the...

Discussion on several hot issues in the development of ironmaking technology

2022-06-07

      1. Treatment of dust and mud with high harmful impurities produced in iron and steel enterprises       Most enterprises use the dust and mud with high harmful impurities to the ...