內容大鋼
本書圍繞釩鈦磁鐵礦（VTM）在燒結與球團過程中的工藝優化、原料替代與強化措施展開，系統整合作者近年在該領域發表的代表性學術論文。主要內容涵蓋：硼系助熔劑（如B2O3）對VTM燒結礦與球團礦的高溫冶金性能、顯微組織與微觀強度的影響；含釩鈦燒結過程中低品位資源（如海砂）替代高品位精礦的可行性研究；精磨石灰石與白雲石在球團配料中的鹼度調控與膨脹行為；返礦嵌入技術對燒結透氣性、產率和強度的影響規律；富氧燒結條件下，燃燒效率、燒結礦強度與脫硫反應的協同提升機制。
本書通過系統歸納實驗研究結果、微觀組織分析與燒結鍋試等手段，提出了多種提升VTM資源利用效率和燒結產品性能的技術路徑。兼具理論深度與工程實用價值，適用於鋼鐵冶金、資源綜合利用及燒結球團工藝研究相關領域的科研人員與工程技術人員參考。
目錄
Chapter 1 Introduction to Vanadium-Titanium Magnetite
1.1 Distribution and characteristics of VTM resources
1.1.1 Global distribution and characteristics
1.1.2 Distribution and characteristics in China
1.2 Comprehensive utilization routes for vanadium-titanium magnetite resources
1.2.1 Blast furnace--converter route
1.2.2 Pre-reduction--electric furnace process
1.2.3 Reduction--grinding--separation route
1.2.4 Shaft furnace--electric furnace route
1.2.5 Rotary kiln--electric furnace process
1.2.6 Rotary hearth furnace--electric furnace process
1.3 Summary
References
Chapter 2 Agglomeration for Vanadium.Titanium Magnetite and Metallurgical Performance of Agglomerated Products
2.1 Agglomeration target
2.2 Agglomeration methods
2.2.1 Sintering
2.2.2 Pelleting
2.3 Metallurgical performance of agglomerated products and characterization methods
2.3.1 VTM sinter
2.3.2 VTM pellets
2.4 Summary
References
Chapter 3 Measures to Improve the Metallurgical Performance of Vanadium-Titanium Magnetite Agglomerated Products
3.1 Measures for vanadium-titanium magnetite sinter
3.1.1 Granulation optimization
3.1.2 Ore blend optimization
3.1.3 Additives:boron containing materials
3.2 Measures for vanadium-titanium magnetite pellets
3.2.1 Grinding pre-treatment
3.2.2 Ore blend optimization
3.2.3 Additives : solid fuels, fluxes, and boron-containing compounds
3.3 Application of boron-containing materials in VTM furnace feed
3.3.1 Application of boron-containing materials in sinter
3.3.2 Application of boron-containing materials in pellets
3.4 Summary
References
Chapter 4 Mechanism of B203 in Regulating the Microstructure of Vanadium-Titanium Magnetite Sinter
4.1 Background
4.2 Experimental work
4.2.1 Raw materials
4.2.2 Methods
4.3 The effect of B203 addition on the sintering of vanadium-titanium magnetite concentrates
4.3.1 Performance indicators of H-VTM sinter
4.3.2 Metallurgical properties of H-VTM sinter
4.3.3 Microstructure of H-VTM sinter
4.4 Summary
References
Chapter 5 Mechanism of B203 in Regulating the Microstructure of Vanadium-Titanium Magnetite Pellets
5.1 Background
5.2 Experimental work
5.2.1 Raw materials
5.2.2 Experimental process of pellets
5.2.3 Pores area ratio and fracture toughness
5.3 Changes in the strength of VTM pellets with different B203 additions
5.4 Changes in microstructure of VTM pellets with different BzO3 additions
5.5 Summary
References
Chapter 6 Oxygen-enriched Sintering Technology for Vanadium-Titaniuv~ Magnetite
6.1 Background
6.2 Experimental work
6.2.1 Raw materials
6.2.2 Experimental method-variation of oxygen content
6.2.3 Experimental method-variation of sintering stages with fixed oxygen content
6.2.4 Characterization
6.3 Influence of oxygen enrichment at different concentrations
6.3.1 Mineralogy and microstructure
6.3.2 Sintering index
6.3.3 Desulphurization
6.4 Influence of oxygen enrichment at different stages
6.4.1 Sintering behavior image
6.4.2 Sintering parameters
6.4.3 Mineral composition and microstructure
6.4.4 Metallurgical properties
6.4.5 Correlation mechanism of different oxygen-enriched stages
6.5 Summary
References
Chapter 7 Function of Finely Ground Limestone and Dolomite on the Regulation of Vanadium-Titanium Magnetite Sinter Basicity
7.1 Background
7.2 Experimental work
7.2.1 Raw materials
7.2.2 Experimental methods
7.3 Moisture and drop strength of green pellets
7.4 Cold compression strength of roasted pellets
7.5 Reduction swelling index of pellets
7.6 Summary
References
Chapter 8 The Effect of Embedding Returned Fines on the Sintering Process of High-Proportion Vanadium-Titanium Magnetite
Concentrates
8.1 Background ,
8.2 Experimental work
8.2.1 Raw materials
8.2.2 Metallurgical characterization of VTM sinter
8.3 Effect of particle size range of returned fines for embedding
8.4 Effect of mass ratio of returned fines for embedding
8.5 Effect of layer location of returned fines for embedding
8.6 Effect of mass ratio of returned fines for embedding on sinter bed permeability
8.7 Summary
References
Chapter 9 Effect of Indonesian Sea Sand on Sinter's Quality when
Replacing Vanadium-Titanium Magnetite Concentrate
9.1 Background
9.2 Experimental work
9.2.1 Experimental apparatus and process
9.2.2 Ore blending scheme and test conditions
9.3 Influence of the additive proportion of sea sand on sintering
9.4 Influence of the additive proportion of sea sand on sinter's quality
9.5 Summary
References
Chapter 10 Industrial-Scale Applications and Future Perspectives
10.1 Industrial practice of high-proportion VTM concentrate sintering technology
10.2 Industrial practice of full VTM concentrate pelletizing technology
10.3 Metallurgical properties of vanadium-titanium sinter and pellet products in representative Chinese enterprises
10.4 Future development trends and technological challenges
10.4.1 Maximization and intelligentization of high-proportion pellet smelting
10.4.2 Disruptive breakthroughs in low-carbon and zero-carbon technologies
10.4.3 The multi-element synergistic extraction and value chain extension
10.5 Summary
References
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