Preheating Behaviors of Iron Ore Pellets with Humic Substance-Based Binder
Abstract
:1. Introduction
2. Experimental
2.1. Materials
2.1.1. Ore Materials
2.1.2. Humic Substance-Based Binder
2.2. Methods and Equipment
2.2.1. Preparation of Green Balls
2.2.2. Preheating and Roasting Tests
2.2.3. Phase and Microstructure Analysis
3. Results and Discussion
3.1. Firing Conditions of Pellets with Humic Substance-Based Binder
3.1.1. Effects of Preheating Conditions
3.1.2. Effects of Roasting Conditions
3.1.3. Effect of Humic Substance-Based Binder Dosage
3.2. Oxidation Behaviors of Pellets with HB during Preheating Process
3.2.1. Oxidation Degree of Pellets at Different Preheating Times
3.2.2. Phase Compositions of Preheated Pellets at Different Preheating Times
3.2.3. Microstructure of Preheated Pellets at Different Preheating Times
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Component | TFe | FeO | TiO2 | V2O5 | SiO2 | Al2O3 | CaO | MgO | K2O | Na2O |
---|---|---|---|---|---|---|---|---|---|---|
VTM | 54.47 | 28.57 | 7.84 | 0.43 | 4.48 | 3.09 | 1.27 | 0.43 | 0.03 | 0.07 |
Bentonite | 1.76 | - | - | - | 64.01 | 13.47 | 2.26 | 1.81 | 0.45 | 0.85 |
Component | Mad | Aad | Vad | FCad | Ash Chemical Composition/wt% | |||||
---|---|---|---|---|---|---|---|---|---|---|
TFe | SiO2 | Al2O3 | CaO | K2O | Na2O | |||||
Content | 18.14 | 39.77 | 18.75 | 23.34 | 2.74 | 57.23 | 23.46 | 0.63 | 3.42 | 6.53 |
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Meng, F.; Ou, Y.; Li, K.; Yang, Y.; Zhong, Q.; Li, Q.; Jiang, T. Preheating Behaviors of Iron Ore Pellets with Humic Substance-Based Binder. Metals 2022, 12, 570. https://doi.org/10.3390/met12040570
Meng F, Ou Y, Li K, Yang Y, Zhong Q, Li Q, Jiang T. Preheating Behaviors of Iron Ore Pellets with Humic Substance-Based Binder. Metals. 2022; 12(4):570. https://doi.org/10.3390/met12040570
Chicago/Turabian StyleMeng, Feiyu, Yang Ou, Ke Li, Yongbin Yang, Qiang Zhong, Qian Li, and Tao Jiang. 2022. "Preheating Behaviors of Iron Ore Pellets with Humic Substance-Based Binder" Metals 12, no. 4: 570. https://doi.org/10.3390/met12040570
APA StyleMeng, F., Ou, Y., Li, K., Yang, Y., Zhong, Q., Li, Q., & Jiang, T. (2022). Preheating Behaviors of Iron Ore Pellets with Humic Substance-Based Binder. Metals, 12(4), 570. https://doi.org/10.3390/met12040570