The selection of refractory materials for the melting pool of the horseshoe flame furnace sodium calcium (bottles, utensils, light bulbs, fluorescent lamps) glass tank furnace is as follows:
Melting pool:
Pool wall: use temperature 14001600℃, choose AZS-33# brick; selection basis: good corrosion resistance and thermal shock resistance for molten glass.
Pool wall with lower temperature: use temperature <1400℃, choose fused zirconium mullite brick; selection basis: good corrosion resistance and thermal shock resistance for molten glass.
Pool bottom paving bricks: use temperature 1300~1500℃, choose fused AZS-33# brick; selection basis: good corrosion resistance and thermal shock resistance for molten glass.
Pool bottom: use temperature <1400℃, choose clay bricks or high-alumina bricks;
Feeding port: use temperature 1400~1500℃, choose fused AZS-36# bricks or fused AZS-41# bricks; selection basis: extremely strong corrosion resistance to glass.
Bubble part: use temperature 1400~1500℃, choose fused AZS-41# bricks; selection basis: this brick is suitable for the most corrosive parts.
Electrode part: use temperature 1400-1600℃, choose fused AZS-41#.
Feeding port top: use temperature 1400∽1500℃, choose fused AZ5-36# bricks; selection basis: resistant to flying material corrosion, and also has high corrosion resistance and thermal shock resistance to flame impact.
Flare mouth: use temperature 1500~1650℃, choose fused AZS-31# or 41# bricks; selection basis: resistance to flying material erosion and flame impact;
Small furnace channel (top and side walls): use temperature 1450~1600℃, choose fused AZS bricks or high-quality silica bricks; selection basis: no adhesion of flying material, good resistance to alkali vapor erosion.
Lattice wall: use temperature 1400-1600℃, choose fused α-Al203 bricks or fused-AZS bricks.
Melting pool arch: use temperature 1300-1650℃, choose high-density silica bricks or fused AZS bricks.
Hook bricks, nozzle bricks: use temperature 1500-1650°C, choose fused AZS bricks
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