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Homogenization and Granulation Effect of Blast Furnace Slag
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Yue KANG, Chao LIU, Yuzhu ZHANG, Hongwei XING
Mining and Metallurgical Engineering | 2023, 43(4) : 119 - 124
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Mining and Metallurgical Engineering | 2023, 43(4): 119-124
• METALLURGY •
Homogenization and Granulation Effect of Blast Furnace Slag
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Yue KANG, Chao LIU, Yuzhu ZHANG, Hongwei XING
Affiliations
  • College of Metallurgy and Energy, North China University of Science and Technology, Tangshan 063009, Hebei, China
Published: 2023-08-01 doi: 10.3969/j.issn.0253-6099.2023.04.026
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Base on the study on homogenization behavior of blast furnace slag (BFS) by dynamic viscosity experiment, a kinetic model was constructed for molten slag conditioning process. The homogenization state of BFS was verified and the final granulation effect was analyzed. It is found that the homogenization time becomes shorten first and then prolonged as the addition of conditioner increases, which is the shortest when an addition of conditioner is at an amount of 15.43%. As for BFS with grain size greater than 1.75 mm, the homogenization time increases obviously. As slag temperature increases, the homogenization time is gradually shortened. Based on the comparison with the composition and mineral phases of fully homogenized BFS, it is verified that homogenization is completed when viscosity value becomes stable. The granulated slag particles with size mainly in the range from 1 mm to 2.5 mm present approximately normal distribution, and the homogenized BFS has amorphous phase content higher than 85%, meeting the requirements in the national standard.

blast furnace slag (BFS)  /  granulation  /  homogenization  /  diffusion  /  viscosity  /  gas quenching
Yue KANG, Chao LIU, Yuzhu ZHANG, Hongwei XING. Homogenization and Granulation Effect of Blast Furnace Slag[J]. Mining and Metallurgical Engineering, 2023 , 43 (4) : 119 -124 . DOI: 10.3969/j.issn.0253-6099.2023.04.026
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Year 2023 volume 43 Issue 4
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doi: 10.3969/j.issn.0253-6099.2023.04.026
  • Receive Date：2023-02-17
  • Online Date：2026-03-05
  • Published：2023-08-01
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  • Received：2023-02-17
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    College of Metallurgy and Energy, North China University of Science and Technology, Tangshan 063009, Hebei, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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