Baosteel's Slag Short Flow(BSSF)is an innovative process for steelmaking slag treatment that was developed by Baosteel.The process principles,flow-chart,parameters and component systems of the BSSF for steelmaking...Baosteel's Slag Short Flow(BSSF)is an innovative process for steelmaking slag treatment that was developed by Baosteel.The process principles,flow-chart,parameters and component systems of the BSSF for steelmaking slag treatment are presented.Characteristics of the finished BSSF slag are summarized by analyzing the slag's physical and chemical performances.Several utilization methods for the BSSF slag are given.展开更多
The vacuum treatment for simultaneous desulphurization and dephosphorization of hot metal and molten steel with pre-melted CaO-based slag was carried out. For pre-treatment of hot metal, both desulphurization and deph...The vacuum treatment for simultaneous desulphurization and dephosphorization of hot metal and molten steel with pre-melted CaO-based slag was carried out. For pre-treatment of hot metal, both desulphurization and dephosphorization are improved with the increase of CaO in slag, but deteriorated with the increase of CaF2 in slag. The average desulphurization and dephosphorization rate is 68.83 % and 78.46 %, respectively. For molten steel, the substitution of BaO for CaO in slag has minor effect on simultaneous desulphurization and dephosphorization. The desulphurization and dephosphorization rate is higher than 90 % and 50 % respectively with the lowest final sulfur and phosphorus mass percent being 0.001 2 % and 0.010 %, respectively. The overall effect of simultaneous desulphurization and dephosphorization of molten steel is better than that of hot metal.展开更多
This study provides an overview of the production and classification of metallurgical slag and its impact on energy-saving and emission reduction in the metallurgical industry and an analysis of the impact of key fact...This study provides an overview of the production and classification of metallurgical slag and its impact on energy-saving and emission reduction in the metallurgical industry and an analysis of the impact of key factors on slag processing technology,including a brief account of blast furnace(BF)slag processing and applications with a focus on the steel slag disposal processes and the features of some typical processes.In view of the characteristics of the basic oxygen furnace(BOF)slag and the technical difficulties faced by the traditional processes,it describes the principle,features and technical advantages of the Baosteel short-flow(BSSF)steel slag treatment process developed by Baosteel.The thinking and outlook on the direction of the development of the metallurgical slag processing process are stated.展开更多
文摘Baosteel's Slag Short Flow(BSSF)is an innovative process for steelmaking slag treatment that was developed by Baosteel.The process principles,flow-chart,parameters and component systems of the BSSF for steelmaking slag treatment are presented.Characteristics of the finished BSSF slag are summarized by analyzing the slag's physical and chemical performances.Several utilization methods for the BSSF slag are given.
基金Sponsored by Provincial Natural Science Foundation of Anhui of China
文摘The vacuum treatment for simultaneous desulphurization and dephosphorization of hot metal and molten steel with pre-melted CaO-based slag was carried out. For pre-treatment of hot metal, both desulphurization and dephosphorization are improved with the increase of CaO in slag, but deteriorated with the increase of CaF2 in slag. The average desulphurization and dephosphorization rate is 68.83 % and 78.46 %, respectively. For molten steel, the substitution of BaO for CaO in slag has minor effect on simultaneous desulphurization and dephosphorization. The desulphurization and dephosphorization rate is higher than 90 % and 50 % respectively with the lowest final sulfur and phosphorus mass percent being 0.001 2 % and 0.010 %, respectively. The overall effect of simultaneous desulphurization and dephosphorization of molten steel is better than that of hot metal.
文摘This study provides an overview of the production and classification of metallurgical slag and its impact on energy-saving and emission reduction in the metallurgical industry and an analysis of the impact of key factors on slag processing technology,including a brief account of blast furnace(BF)slag processing and applications with a focus on the steel slag disposal processes and the features of some typical processes.In view of the characteristics of the basic oxygen furnace(BOF)slag and the technical difficulties faced by the traditional processes,it describes the principle,features and technical advantages of the Baosteel short-flow(BSSF)steel slag treatment process developed by Baosteel.The thinking and outlook on the direction of the development of the metallurgical slag processing process are stated.
