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The Application Of Fused Cast AZS Block In The Sidewall Of Glass Furnaces

Sidewall of glass furnace is the important component of the furnace and determines the service life of the furnace. Fused cast AZS block is the most widely used refractories in the sidewall of glass furnaces due to its high corrosion resistance to glass liquid and almost no pollution to glass liquid. 
 
Since the sidewall is in direct contact with glass, at high temperature, the corrosion and wear of the batch material and glass liquid is severe, which makes it easy to be corroded. As fused cast AZS block has dense structure, low porosity and high content of ZrO2, it presents a good corrosion resistance against glass liquid and low possibility of blistering. So it is widely used in the sidewall of glass furnaces. 
The Application Of Fused Cast AZS Block In The Sidewall Of Glass Furnaces
According to the content of ZrO2, fused cast AZS blocks are classified into three categories: 33# (33 wt% of ZrO2), 36# (36 wt% of ZrO2) and 41# (41 wt% of ZrO2). The higher the content of ZrO2 is, the better the corrosion resistance to melt glass is. 
 
In the melting zone, raw materials are melted, the temperature of glass liquid is very high and the corrosion and wear of batch materials and glass liquid is severe. Therefore, the the sidewall of melting zone always adopts Fused cast AZS block 36#. 
 
The corrosion and wear of the corners in the melting zone is much severer than other parts, so fused cast AZS block 41# is used here. In the refining zone, the temperature is lower and the wear and corrosion is not so severe, so fused cast AZS 33# is a more economic choice and can work well here. 
 
Large WS fused cast AZS blocks are always used and vertically arranged in the sidewall. 
 
The fused cast TY-AZS series of Sunrise Refractory comprises of TY-AZS 33#, TY-AZS 36# and TY-AZS 41#. High purity raw material, scientific formula, advanced technology and professional guide all contribute to high quality AZS blocks production and longer service life. 

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