Power Sector Refractories
Comprehensive refractory solutions for power generation facilities worldwide
Boiler Linings
Coal-fired boilers (1200-1400°C): Low-cement castables (50-70% Al₂O₃). Combustion chamber, furnace walls, burner zones. Abrasion-resistant for fly ash (<3 cm³ ASTM C704). Thermal shock resistant. Installation: Gunning or casting. Anchor systems: Hex mesh, V-anchors. Service life: 4-6 years. Supports coal, petcoke, lignite fuels. Available for subcritical, supercritical, ultra-supercritical boilers.
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Incinerator Refractories
Municipal solid waste incinerators (1000-1200°C): Low-cement castables (60-75% Al₂O₃). Primary combustion chamber, secondary combustion chamber, post-combustion zone. Resistant to chloride & sulfur compounds. Thermal shock cycles: >150 cycles. Acid-resistant for HCl, SO₂ environments. Service life: 5-8 years. Hazardous waste, medical waste, industrial waste incineration supported.
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CFB Boiler Refractories
Circulating fluidized bed (900-1100°C): Ultra-low cement castables (1-3% CaO, 70-85% Al₂O₃). Cyclone, furnace walls, loop seal, standpipe. Abrasion resistance: <2 cm³ (ASTM C704). Erosion-resistant for high velocity particles. Bulk density: 2.7-3.0 g/cm³. Cold crushing: 90-120 MPa. Phosphate-bonded for high erosion zones. Service life: 4-7 years. Coal, petcoke, biomass co-firing.
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Biomass Boiler Linings
Alkali-resistant refractories specially designed for biomass and alternative fuel combustion systems (800-1100°C). High resistance to potassium and sodium compounds from wood, agricultural waste, and organic fuels. Low-cement castables with SiC additions for enhanced alkali resistance. Suitable for grate-fired, bubbling fluidized bed, and stoker boilers. Resistant to slag adhesion and corrosion from high-chlorine fuels. Service life: 3-5 years depending on fuel composition.
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Flue Gas Ducting
Acid and abrasion-resistant linings for flue gas handling systems and ducts (150-600°C). Specialized castables and coatings resistant to SO₂, SO₃, HCl, and HF corrosion. Low-density insulating castables for thermal efficiency. Abrasion-resistant for fly ash-laden gas streams. Compatible with SCR, FGD, and ESP systems. Gunnable and pumpable installation options for complex geometries. Service life: 8-12 years with proper maintenance.
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Chimney Stack Linings
Monolithic and brick linings for industrial chimneys and exhaust stacks (100-400°C). Acid-resistant bricks and castables for wet and dry stack conditions. Lightweight insulating castables to minimize dead load on structures. Resistant to condensation, acid dew point corrosion, and thermal cycling. Available in acid-resistant (silica-based) and chemical-resistant (alumina-based) grades. Self-supporting and anchored lining systems. Service life: 15-25 years for properly designed systems.
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