Corrosion of Basic Refractories for Glass Tanks Using Petrol Coke and Countermeasures

doi:10.19691/j.cnki.1004-4493.2023.03.001

China's Refractories ›› 2023, Vol. 32 ›› Issue (3): 1-5.DOI: 10.19691/j.cnki.1004-4493.2023.03.001

Corrosion of Basic Refractories for Glass Tanks Using Petrol Coke and Countermeasures

XU Linlin^1,*, LIU Zhao², WANG Jiezeng^1,3, CHEN Songlin¹, LIU Xijun^1,4

1 Ruitai Materials Technology Co., Ltd., Beijing 100024, China;
2 Henan Ruitai Refractory Materials Technology Co., Ltd., Zhengzhou 451100, China;
3 China Building Materials Academy Co., Ltd., Beijing 100024, China;
4 Dashiqiao Zhongjian Magnesia Brick Co., Ltd., Dashiqiao 115100, China

Online:2023-09-15 Published:2023-11-07
Contact: *e-mail: xll@bjruitai.com
About author:Xu Linlin, born in 1989, graduated from Wuhan University of Science and Technology in 2010, majoring in inorganic and nonmetallic materials. Now, she is working in Ruitai Materials Technology Co., Ltd. Her research focuses on basic refractories for cement kilns and glass tanks.

Abstract

Abstract: Replacing heavy oil with petrol coke can greatly reduce the cost of glass production, but obviously shorten the service life of refractories used in the regenerator checker body of glass tanks. To prolong the service life of the regenerator checker body, the slag chemical composition and alkali-sulfur ratio of glass tanks after using petrol coke and the damage mechanism of the residual magnesia bricks in the regenerator checker body were studied, as well as the corrosion resistance of three magnesia based bricks (direct bonded magnesia chrome bricks, fused rebonded magnesia chrome bricks, and fused rebonded high- purity magnesium aluminate spinel bricks). On this basis, a series of targeted countermeasures were adopted to optimize the configuration of refractories, significantly improving the service life of checker bricks and meeting the requirements of glass industry development.

Key words: glass tanks, petrol coke, ash slag, corrosion, alkali-sulfur ratio, free alkali, free sulfur trioxide

XU Linlin, LIU Zhao, WANG Jiezeng, CHEN Songlin, LIU Xijun. Corrosion of Basic Refractories for Glass Tanks Using Petrol Coke and Countermeasures[J]. China's Refractories, 2023, 32(3): 1-5.

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Corrosion of Basic Refractories for Glass Tanks Using Petrol Coke and Countermeasures

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