本书共7章，重点分析了熔池内石灰粉喷吹脱磷和熔池内碳粉喷吹增碳助熔机理，研究了电弧炉熔池内气-固喷吹冶炼的物料及能量变化；研究了熔池内气-固喷吹冲击搅拌特征，建立并验证了熔池内气-固喷吹射流轴线轨迹方程，建立并验证了氧气射流冲击区深度和体积计算模型；开展了基于熔池内喷吹的电弧炉熔池搅拌优化研究，确定熔池内喷枪B布置方式、炉壁氧枪F布置方式为电弧炉“熔池内喷吹+炉壁侧吹”很好匹配方案；开展了电弧炉熔池内气-固喷吹冶炼工业试验。

1 General Introduction
1.1 Electric Arc Furnace（EAF）Steelmaking
1.1.1 Metallurgical Function of EAF
1.1.2 Development of EAF Steelmaking
1.2 Injection Methods in EAF Steelmaking
1.2.1 Oxygen Supplying Technology
1.2.2 Oxygen Burner Technology
1.2.3 Coherent Supersonic Jet Technology
1.2.4 Bottom-Blowing Technology
1.2.5 Slag Foaming with Carbon Powder Injection
1.3 Technologies of Gas-Solid Injection in Steelmaking Process
1.3.1 Free Gas-Solid Injection Outside of the Molten Bath
1.3.2 Submerged Gas-Solid Injection Within Molten Bath
1.4 New Technology of Submerged Gas-Solid Injection in EAF Steelmaking
1.4.1 Technological Advantages
1.4.2 Key Technical Problems to Be Solved References
2 Mechanism of EAF Steelmaking with Submerged Mixed Injection
2.1 Introduction
2.2 Efficient Dephosphorization with Submerged O2-CaO Injection
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