Effect of B<sub>2</sub>O<sub>3</sub> on High Aluminum Low Magnesium Slag Stability

Guo Jiang; Li Rong

doi:10.3969/j.issn.1000-6532.2022.01.020

2022 No. 1

Article Contents

Article navigation > Multipurpose Utilization of Mineral Resources > 2022 > (1): 152-156

Next Article Previous Article

Guo Jiang, Li Rong. Effect of B2O3 on High Aluminum Low Magnesium Slag Stability 　[J]. Multipurpose Utilization of Mineral Resources, 2022, (1): 152-156. doi: 10.3969/j.issn.1000-6532.2022.01.020

Citation:

Guo Jiang, Li Rong. Effect of B₂O₃ on High Aluminum Low Magnesium Slag Stability 　[J]. Multipurpose Utilization of Mineral Resources, 2022, (1): 152-156. doi: 10.3969/j.issn.1000-6532.2022.01.020

Effect of B₂O₃ on High Aluminum Low Magnesium Slag Stability 　

Guo Jiang,
Li Rong

Jiyuan Vocational and Technical College Department of Metallurgical and Chemical Engineering, Jiyuan, Henan, China

Received Date: 03 April 2020

Revised Date: 08 May 2020

Publish Date: 25 February 2022

Abstract

Abstract

In order to clarify the impact mechanisms of B₂O₃ on the stability of high aluminum and low magnesium slag, based on the actual composition of blast furnace slag in the field, the viscosity and microstructure of slag were investigated by the high-temperature melt properties tester, Factsage software and XPS spectroscopy. The results showed that slag viscosity decreases with the increase of B₂O₃ content and the stability of slag increases with the increase of B₂O₃ when the slag temperature is lower than 1360℃.The slag stability is the best when the slag temperature is 1216℃ and the content of B₂O₃ is 2.0%. The liquid region of slag gradually expands to the MgO region with the increase of B₂O₃ content, The addition of B₂O₃ not only improves the refractory phenomenon of slag caused by excessive MgO content, but also improves the stability of slag when the binary alkalinity fluctuates.
- B₂O₃ /
- High aluminum low magnesium slag /
- Stability /
- Effect

FullText(HTML)

References

[1]	梁子怡, 宁晓钧. 高铝渣黏度和热力学性质分析[J].金属世界, 2019(1): 16-19. Google Scholar LIANG Z Y, NING X J. Analysis of viscosity and thermodynamic properties of high aluminium slag [J]. Metal World, 2019(1): 16-19. Google Scholar
[2]	姜喆, 车玉满, 郭天永. Al₂O₃、MgO和二元碱度对高炉渣稳定性影响研究[J], 鞍钢技术, 2019(1): 22-25 Google Scholar JIANG Z, CHE Y M, GUO T Y. Effect of Al₂O₃, MgO and Bi alkalinity on the stability of blast furnace slag [J]. Angang Technology, 2019(1): 22-25 Google Scholar
[3]	高艳宏. 含硼高炉钛渣粘性特征与结构的研究[D]. 重庆: 重庆大学: 2012. Google Scholar GAO Y H. Study on viscosity characteristics and structure of titanium slag of blast furnace containing boron [D]. Chongqing: Chongqing University: 2012. Google Scholar
[4]	GAO Y H, BIAN L T, LIANG Z Y. Influence of B₂O₃ and TiO₂ on viscosity of Titanium-bearing blast furnace slag[J]. Steel Research International, 2014, 86(4): 386-390. Google Scholar
[5]	LIN Y H, WEN Y C, FU W G, et al. Effect and mechanism of B₂O₃ on apparent viscosity of slag during smelting of vanadium-titanium magnetite in the blast furnace[J]. Metallurgical Research & Technology, 2016, 113(5): 506-514. Google Scholar
[6]	SUN Y Q, ZHANG Z T. Structural roles of boron and silicon in the CaO-SiO₂-B₂O₃ glasses using FTIR, Raman and NMR spectroscopy[J]. Metallurgical and Materials Transactions B, 2015, 46(4): 1549-1554. doi: 10.1007/s11663-015-0374-2 CrossRef Google Scholar
[7]	范筱玥, 张建良, 许仁泽, 等. B₂O₃对含钛低镁渣系流动性的影响及其机理研究[J]. 中南大学学报(自然科学版), 2018, 49(8):1863-1868. Google Scholar FAN X Y, ZHANG J L, XU R Z, et al. The effect of B₂O₃ on the fluidity of titanium-containing low-magnesium slag and its mechanism[J]. Journal of Central South University (Natural Science Edition), 2018, 49(8):1863-1868. Google Scholar
[8]	LIN Y H, WENY C, FU W G, et al. Effect and mechanism of B₂O₃ on apparent viscosity of slag during smelting of vanadiumtitanium magnetite in the blast furnace[J]. Metallurgical Research and Technology, 2016, 113: 506. doi: 10.1051/metal/2016038 CrossRef Google Scholar
[9]	Lingtao Bian, Yanhong Gao. Influence of B₂O₃ and basicity on viscosity and structure of medium titanium bearing blast furnace slag[J]. 2016: 1-8. Google Scholar
[10]	孙正汉, 黄晓丽, 丁跃华, 等. B₂O₃对含钛高炉渣中钙钛矿相及渣铁分离的影响[J]. 钢铁, 2018, 53(2): 73-77. Google Scholar SUN Z H, HUANG X L, DING Y H, et al. Effect of B₂O₃ on perovskite phase and slag iron separation in titanium bearing blast furnace slag[J]. Iron and Steel, 2018, 53(2): 73-77. Google Scholar
[11]	林银河, 符娅玲, 罗林根, 等. 高钛型高炉渣中B₂O₃替代CaF₂的作用机理[J], 钢铁, 2019, 54(2): 26-30 Google Scholar LIN Y H, FU Y L, LUO L G, et al. Mechanism of replacing CaF₂ with B₂O₃ in high titanium blast slag [J]. Iron and Steel, 2019, 54(2) : 26 - 30. Google Scholar
[12]	严照照, 张淑会, 董晓旭, 等. 高炉渣的化学成分对其微观结构影响的研究现状[J], 矿产综合利用, 2019(1): 22-27. Google Scholar YAN Z Z, ZHANG S H, DONG X X, et al. Research status of the effect of chemical composition of blast furnace slag on its microstructure [J]. Multipurpose Utilization of Mineral Resources, 2019(1): 22-27. Google Scholar
[13]	张杰, 高铝高炉渣流动性及结构研究[D]. 重庆: 重庆大学, 2016. Google Scholar ZHANG J. Study on fluidity and structure of high-alumina blaster slag [D]. Chongqing: Chongqing University, 2016. Google Scholar