Cement Refractory Solutions
Engineered refractories for rotary kilns, preheaters, and cooler systems
Rotary Kiln Bricks
Burning Zone (1400-1500°C): Magnesia-spinel (85-90% MgO, 8-10% Al₂O₃), Direct-bonded magnesia-chrome. Transition Zone (1200-1400°C): High-alumina (70-85% Al₂O₃). Preheating Zone (800-1200°C): High-alumina (60-70% Al₂O₃). Sizes: 230mm × 114mm × 76mm standard, custom shapes available. Campaign life: 12-18 months (burning), 18-36 months (transition). Cold crushing strength: 50-80 MPa.
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Preheater Castables
Cyclone linings (850-1150°C): Low-cement castables (4-8% CaO, 60-70% Al₂O₃), Ultra-low-cement (1-3% CaO, 70-80% Al₂O₃). Bulk density: 2.4-2.8 g/cm³. Cold crushing: 50-70 MPa. Installation: Gunning, casting, or ramming. Service life: 3-5 years. Anti-spalling additives for thermal shock resistance. Alkali-resistant formulations available for high-alkali fuels.
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Cooler Refractories
Inlet zone (1200-1350°C): High-alumina bricks (70-80% Al₂O₃). Middle zones (600-1200°C): Abrasion-resistant castables (55-65% Al₂O₃). Outlet zone (250-600°C): Dense castables. Abrasion resistance: <5 cm³ (ASTM C704). Impact resistance: High. Grate plate refractories, side wall linings. Service life: 2-4 years depending on zone. Withstands thermal cycling and mechanical wear.
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Kiln Hood Castables
Specialized castables for kiln inlet and outlet hoods (1000-1400°C) with rapid installation properties. Low-cement and ultra-low-cement formulations with excellent thermal shock resistance. Resistant to clinker dust abrasion and thermal cycling from kiln rotation. Quick-setting options for reduced downtime during repairs. Available in gunnable, pumpable, and self-flow grades. Precast hood blocks for fast replacement. Service life: 2-4 years with proper anchor design.
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Burner Pipe Refractories
Precision-manufactured burner pipes and nozzles for coal, petcoke, and alternative fuel systems (1400-1600°C). High-alumina and SiC-reinforced castables for extreme abrasion resistance. Custom-engineered designs for multi-channel burners. Resistant to flame impingement and fuel ash attack. Compatible with primary and secondary air systems. Easy-to-replace modular sections for quick maintenance. Service life: 12-24 months depending on fuel type and flame intensity.
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Anchor Systems
Metallic and ceramic anchors for secure refractory installation in kilns and preheaters. Stainless steel (304, 310, 314) V-anchors and Y-anchors for castable linings. Ceramic fiber anchors for high-temperature insulation. Heat-resistant alloy anchors for burning zone applications. Hex mesh and expanded metal for thin lining reinforcement. Custom anchor patterns designed for specific lining thickness and temperature zones. Complete anchor kits with installation guidelines included.
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