Secondary Combustion Chamber

The secondary combustion chamber sees 1100°C flue gas and alkali/chlorine attack; linings need alkali resistance and spall resistance.

◆ PROBLEMS ◆

Kiln Problems

Problem-by-problem analysis with solutions and recommended refractories

01Zone：Outlet Duct

SCC Outlet Duct Brick Damage

Background The SCC outlet duct conveys hot flue gas (900–1100℃, dust-laden, corrosive) f…

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Recommended Products

Featured

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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Silicon Carbide Brick

Silicon carbide brick (SiC≥85%, refractoriness ≥1900℃, CCS≥120MPa) offers high thermal conductivity, extreme wear resistance, thermal-shock resistance and molten-salt resistance—preferred for waste incineration and hot abrasion duties.

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Other Kilns in This Industry

Grate Incinerator1 problems

The incinerator furnace faces hot flue gas and alkaline fly ash; SiC bricks and alkali-resistant castables are combined.

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Waste Heat Boiler1 problems

Waste heat boiler inlet ducts suffer dust-laden gas erosion; wear linings combined with abrasion shields are used.