Results 71 to 80 of about 6,055,871 (118)

An Application of Decision Tree-Based Twin Support Vector Machines to Classify Dephosphorization in BOF Steelmaking

Metals, 2019
Ensuring the high quality of end product steel by removing phosphorus content in Basic Oxygen Furnace (BOF) is essential and otherwise leads to cold shortness.
Jovan Phull, Juan Egas, Sandip Barui, Sankha Mukherjee, Kinnor Chattopadhyay   +4 more
doaj   +1 more source

Development of Solid Waste-Based Composite Calcium Ferrite Flux and Its Application in Hot Metal Pre-Dephosphorization

To enhance the slagging efficiency of the lime-based slag system during the pre-treatment stage of hot metal, a composite calcium ferrite flux based on aluminum industry solid waste was developed in this study. The melting characteristics of the flux and
Yao Zhang, Yanling Zhang, Yaoting Wu, Xiaoming Feng, Zheng Zhao   +4 more
core   +1 more source

Application of Strengthening Melting Technology for an 120 t Converter

Teshugang, 2009
A new 120 t top and bottom combined blown converter with TBM bottom blowing dephosphorization technology and new 6 bore great flow rate oxygen lance is built at steelmaking plant.As compared with original 80 t converter, the speed of reaction between ...
陈爱梅, 李炯伟, 乔林琐, 王爱兰   +3 more
doaj  

Study on Factors Affecting Efficient Dephosphorization in Hot Metal Pretreatment by the Converter Double-Slag Process

Metals
Given the increasing demand for low-phosphorus molten iron in high-value-added steel production and the rising phosphorus content in raw materials caused by the use of high-phosphorus ores in blast furnaces, the traditional converter single-slag process ...
Jie Wang, Libin Yang, Jiaqing Zeng, Shengtao Qiu, Yong Yang   +4 more
doaj   +1 more source

The Smelting Process Improvement of 120 t Top-Bottom Combined Blown Converter with High-Carbon Turndown and Low Phosphorus Tapping

Teshugang, 2023
High carbon steel such as heavy rail steel and bearing steel are smelted by converter， the traditional low-high-low three-stage smelting mode is adopted for oxygen lance control. Because lime is difficult to melt in the early stage， splash intensifies in
Zhang Fudong, Wu Bo, Wang Yuecong, Zhao Xin, Liang Chao   +4 more
doaj  

Thermal Simulation Experiments on Smelting Characteristics and Dephosphorization in Converter with High Scrap Ratio

Metals
Smelting with a high scrap ratio in converters holds significant importance for carbon reduction and emission reduction in the iron and steel industry. Under high scrap ratio conditions, the kinetic and thermodynamic conditions of the molten bath change ...
Chengyi Wang, Libin Yang, Wei Wu, Guangheng Ji, Yuxiang Dai, Guoqiang Wei, Zhouhua Jiang   +6 more
doaj   +1 more source

Commercial Pilot Production on Replacing Partial Lime in Slag by Limestone in 60t Converter Steelmaking at Tangsteel

Teshugang, 2017
The commercial pilot production and analysis on replacing partial lime in slag by limestone in 60t BOF steelmaking at Tangsteel have been carried out. Results show that of heats with limestone replacement ratio 7%~33% the energy consumption saving is 1 ...
李晨晓, 郝华强, 王书桓, 赵定国, 陈建军, 刘善喜   +5 more
doaj  

Multi-constraint slag design and dephosphorization modeling for 65Mn steel at a high-carbon end point in a single-slag BOF process

Journal of Materials Research and Technology
To improve the poor and unstable dephosphorization of 65Mn high-carbon steel in a single-slag basic oxygen furnace (BOF) process with a high-carbon end point, a multi-constraint slag design strategy was established by combining FactSage calculations ...
Nanlv Liu, Yuchi Zou, Hang Hu, Feng Chen, Shuai Wang, Yufeng Guo, Lingzhi Yang   +6 more
doaj   +1 more source

Reducing dephosphorization of silicomanganese ferroalloys by CaO-based slag

, 2017
The reducing dephosphorization of silicomanganese ferroalloys by CaO-based slags is investigated in the present paper. Experiments are carried out in an induction furnace in air atmosphere to simulate the practical production condition.
Zhang, Guohua, Chu, Shaojun, Shaojun Chu, Peiwei Han, Guohua Zhang, Han, Peiwei   +5 more
core   +1 more source

Coal-Based Direct Reduction for Dephosphorization of High-Phosphorus Iron Ore: A Critical Review

Conventional separation methods often prove ineffective for complex, refractory high-phosphorus iron ores. Recent advances propose a coal-based direct reduction dephosphorization-magnetic separation process, achieving significant dephosphorization ...
Hongda Xu, Chunbao Sun, Tichang Sun, Jiawen Yin, Jue Kou, Rui Li, Xiaojin Wen, Jiawei Lin   +7 more
core   +1 more source