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Silica Brick
Silica brick with SiO₂≥94%, refractoriness ≥1690℃ and RUL ≥1620℃ shows no high-temperature shrinkage, stable under long-term load and resistant to acid slag and atmospheres—the recommended choice for coke ovens.
Learn More →Coke Oven
Coke oven carbonization walls endure coal-charging abrasion and thermal cycling; doors and roof insulation are maintenance priorities.
◆ PROBLEMS ◆
Kiln Problems
Problem-by-problem analysis with solutions and recommended refractories
01Zone：Carbonization Chamber
Carbonization Wall Spalling & Graphite
Background The carbonization-chamber walls of a coke oven are the core coking lining, lo…
Problem Details →02Zone：Doors
Coke Oven Door Brick Damage
Background The coke oven door (door brick channel) seals the carbonization chamber and s…
Problem Details →Recommended Products
Low-Porosity Fireclay Brick
Low-porosity fireclay brick with Al₂O₃≥45%, apparent porosity ≤15% and RUL ≥1400℃. High density resists penetration by glass melt and furnace gases.
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Featured
High-Alumina Brick LZ-55
High-alumina brick LZ-55 (Al₂O₃≥55%) with refractoriness ≥1770℃ offers dense structure, wear resistance against gas scouring and combined cold/hot strength—one of the most widely used shaped refractories.
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Featured
Mullite Brick
Mullite brick with mullite as the main phase (Al₂O₃≥75%, refractoriness ≥1850℃, RUL ≥1650℃) offers high-temperature volume stability with excellent thermal-shock and creep resistance.
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