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2025-04-18

How to choose the type of zirconia ramming material for glass melting furnaces?

In the construction of glass melting furnaces, there are two commonly used types of zirconia ramming materials: zircon sand ramming material and fused AZS ramming material. Although both types of zirconia ramming materials have good resistance to glass melt erosion and cause only minimal contamination to the glass melt, their use still requires reasonable selection based on the properties of the glass being produced.

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2022-01-10

Defects Generated During Casting and Annealing of Fused Zirconia Corundum Bricks and Methods to Overcome Them

Various defects occur during the production of fused zirconia corundum bricks, resulting in poor quality of the finished products. The physical and chemical inhomogeneity of zirconia corundum bricks is often the main cause of defects in the products. Unmelted particles in the batch and gas inclusions that have not been expelled from the melt belong to physical inhomogeneity. Differences in melt composition along the depth of the furnace belong to chemical inhomogeneity. The defect types and their causes in the production of fused zirconia corundum bricks are listed in the figure below.

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2021-11-12

Construction Techniques and Requirements for Insulation Materials at the Bottom and Walls of Glass Kiln Pits

The insulation construction of the bottom and walls of the pool is carried out in a cold state, while the insulation of other parts of the large kiln is carried out in a hot state.

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$Yuandong Refractories 2019 Year-End Summary and Commendation Conference$

Yuandong Refractories 2019 Year-End Summary and Commendation Conference

As the New Year's bell approaches, we bid a reluctant farewell to the busy and fruitful year of 2019. On the morning of January 20th, Far East Refractories held the 2019 year-end summary meeting to review the overall work of the year, commend advanced collectives and individuals, and deploy key tasks for 2020. The meeting was chaired by General Manager Guo, with leaders Zhao Changshun, Li Wanshun, Wu Jinliang, Guo Ningdong, Li Xiangru, Zhang Baohong, Long Haopeng, Wang Shouwei, and employees from various departments in attendance.

2020/01