Glass Furnace Crown

The crown silica bricks suffer mouse-hole corrosion from alkali vapor; furnace pressure control and hot repair determine campaign life.

◆ PROBLEMS ◆

Kiln Problems

Problem-by-problem analysis with solutions and recommended refractories

01Zone：Crown

Crown Silica Brick Corrosion

Background The glass furnace crown is built of silica bricks—the most important load-bea…

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Recommended Products

Featured

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.

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Lightweight Silica Brick

Lightweight silica brick (SiO₂≥92%, 1550℃ max, bulk density 1.2-1.5 g/cm³, RUL ≥1550℃) combines silica refractoriness with lightweight insulation and matches silica brick thermal expansion.

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Fused-cast AZS bricks contact molten glass; joint washout and breakout risk are key safety concerns.

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Regenerator2 problems

Regenerator checkerwork suffers alkali/condensate build-up; heat-exchange efficiency and cleaning drive maintenance.

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