Preparation and Characterization of Pervious Brick with High Titanium Blast Furnace Slag

Huo Hongying

doi:10.3969/j.issn.1000-6532.2023.06.016

2023 No. 6

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Article navigation > Multipurpose Utilization of Mineral Resources > 2023 > 44(6): 108-113, 140

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Huo Hongying. Preparation and Characterization of Pervious Brick with High Titanium Blast Furnace Slag[J]. Multipurpose Utilization of Mineral Resources, 2023, 44(6): 108-113, 140. doi: 10.3969/j.issn.1000-6532.2023.06.016

Citation:

Huo Hongying. Preparation and Characterization of Pervious Brick with High Titanium Blast Furnace Slag[J]. Multipurpose Utilization of Mineral Resources, 2023, 44(6): 108-113, 140. doi: 10.3969/j.issn.1000-6532.2023.06.016

Preparation and Characterization of Pervious Brick with High Titanium Blast Furnace Slag

Huo Hongying

College of Vanadium and Titanium, Panzhihua University, Sichuan Provincial Research Center for Vanadium and Titanium Materials, Panzhihua, Sichuan, China

Received Date: 06 September 2022

Publish Date: 25 December 2023

Abstract

Abstract

This is an essay in the field of ceramics and composites. In order to realize the reuse of solid waste of high titanium furnace slag and solve the problem of making permeable bricks with large amount of high titanium furnace slag, the permeable bricks were prepared by forming and sintering the billet with the furnace slag as aggregate, kaolin and potassium feldspar as binder and melting aid. TG-DSC comprehensive thermal analysis and SEM morphology analysis were used to study the thermal properties of the material and the morphology change at high temperature. The effects of the proportion of furnace slag and auxiliary materials, the particle size of furnace slag aggregate, forming pressure, sintering temperature and holding time on the properties of permeable bricks were discussed, and the suitable preparation process parameters of permeable bricks were determined. The results show that the ratio of blast furnace slag: Kaolin: K Feldspar (mass fraction) is 75∶10∶15, the molding pressure is 10 MPa, the sintering temperature is 1095 °C, and the holding time is 3 h, the permeability Coefficient of permeable brick is 0.064 cm/s, the flexural strength is 12 MPa, which has the characteristics of high permeability and high strength, and meets the requirements of “Permeable pavement brick and permeable pavement board” (GB/T 25933-2010).
- Ceramics and composites /
- High titanium blast furnace slag /
- Fired permeable brick /
- Flexural strength /
- Permeability coefficient

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References

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