An operation optimization method based on improved EDA for BOF end-point control

2016 ◽  
Author(s):  
Chang Liu ◽  
Xiangman Song ◽  
Te Xu ◽  
Lixin Tang
Keyword(s):  
Optimization Method ◽  
Operation Optimization ◽  
End Point ◽  
Point Control

Study on Dephosphorization Technologies in Converter with Semi-Steel

2011 ◽  
Vol 396-398 ◽  
pp. 1119-1125
Author(s):  
Jian Hua Zeng ◽  
Wei He ◽  
Yong Chen ◽  
Hong Pan
Keyword(s):  
Oxygen Supply ◽  
Average Rate ◽  
High Rate ◽  
Converter Steelmaking ◽  
End Point ◽  
Point Control ◽  
Dephosphorization Rate ◽  
Low Rate

Because of disadvantages of converter steelmaking with semi-steel in Panzhihua Steel, such as slow-footed slag forming, low rate of dephosphorization, high rate of rephosphorization after converter smelting, studies on increasing dephosphorization rate have been carried out. These studies comprise the optimization of slagging process, oxygen supply, bottom argon supply, end-point control of converter smelting, and so on. With these countermeasures, the rate of dephosphorization has been increased obviously. The results show that the average rate of dephosphorization is above 90% with single-slag process during converter smelting. Otherwise, content of phosphorus at the end-point of converter smelting can be controlled below 0.007%, and rephosphorization rate after converter smelting can be controlled below 0.003%, which meets the requirement of [P]≤0.010% for steel products.

End Point Control

2016 ◽  
Author(s):  
H. M. Kingston ◽  
M. L. Kingston
Keyword(s):  
End Point ◽  
Point Control
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