Compared with traditional air-assisted combustion furnaces, all-oxygen glass furnaces have a series of significant advantages, but they also have some potential disadvantages.
⚫ Advantages
✅ High efficiency and energy saving:
1. Full oxygen combustion technology allows fuel to burn more fully, improving combustion efficiency.
2. Due to the absence of nitrogen, the amount of flue gas is greatly reduced, reducing heat loss.
3. The flame temperature is high and the radiation area is concentrated, which is conducive to improving the melting rate.
✅ Environmental protection and emission reduction:
1. The emission of nitrogen oxides (NOx) is greatly reduced, which is beneficial to environmental protection.
2. The combustion products are mainly carbon dioxide and water vapor, which are harmless to the environment.
✅ Improve product quality:
1. The flame is stable and the temperature fluctuation is small, which is conducive to the clarification and homogenization of the glass liquid.
2. The high water vapor content in the combustion products increases the OH content in the glass liquid and reduces the viscosity of the glass.
✅ Reducing refractory consumption:
1. The full oxygen combustion flame characteristics make the temperature distribution inside the furnace more uniform, reducing the erosion of local high temperature on refractory materials.
2. Extended the service life of the furnace.
✅ Saving equipment and site investment:
1. The full oxygen furnace has no regenerator, simpler structure and small footprint.
2. Reduce equipment investment and plant site costs.
✅ Convenient process adjustment:
1. Full oxygen combustion technology makes the adjustment of glass production process more convenient and accurate.
2. It is beneficial to improve production efficiency and product quality.
⚫ Disadvantages
Large initial investment
High oxygen production cost
High technical difficulty
Increased safety risks
No matter what kind of glass furnace, fused cast AZS blocks are an essential part!!!
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