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 ...

Practice of intermediate shutdown, shutdown and startup of No. 1 1280mm blast furnace of Sinosteel

2022-06-07

      Abstract: the material level is lowered to the tuyere belt through the empty water feeding line on the furnace top, the damaged cooling wall water pipe is treated, and the damaged furnace wall is gunne...

Development characteristics of ironmaking technology in many countries in the world

2022-06-07

      The blast furnace capacity in Japan is increasing, but the number of blast furnaces is decreasing. Increasing the use of non coking coal and low-quality iron ore will reduce the cost of iron making raw...