Petrochemical Refractory Solutions
High-performance refractory systems for refineries and chemical processing plants
Reformer Linings
Steam reformers (900-1100°C): Low-cement castables (3-8% CaO, 60-80% Al₂O₃). Hydrogen reformers, methanol reformers, ammonia synthesis. Bulk density: 2.4-2.8 g/cm³. Cold crushing: 60-90 MPa. Thermal conductivity: 1.0-1.5 W/mK at 800°C. Resistant to H₂, CO, CO₂, H₂O vapor. Installation: Gunning or casting. Service life: 5-7 years. Anchor systems included.
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Ethylene Cracker Linings
Radiant section (1000-1200°C): High-alumina bricks (70-85% Al₂O₃), Low-cement castables. Convection section (600-1000°C): Insulating castables. Quench water tower: Acid-resistant bricks. Thermal shock cycles: >200 cycles. Resistant to hydrocarbon coking. Fast installation during turnarounds (7-14 days). Precast shapes for quick replacement. Service life: 3-5 years.
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FCC Unit Refractories
Cyclones & catalyst handling (700-900°C): Ultra-low cement castables (1-3% CaO, 75-85% Al₂O₃). Abrasion resistance: <2.5 cm³ (ASTM C704). Dense: 2.6-3.0 g/cm³. Cold crushing: 80-120 MPa. Phosphate-bonded for high erosion zones. Thermal cycling resistant. Catalyst circulation areas. Service life: 4-6 years. Rapid installation: Gunning or pumping method.
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Thermal Oxidizer Linings
Complete lining systems for regenerative thermal oxidizers (RTO) and catalytic oxidizers (750-1100°C). High-alumina castables (65-80% Al₂O₃) for combustion chambers. Ceramic fiber modules for heat recovery beds. Resistant to VOC combustion byproducts and thermal cycling. Low thermal mass for rapid heat-up and cool-down cycles. Suitable for chemical, pharmaceutical, and coating industries. Service life: 5-8 years with proper maintenance.
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Process Heater Linings
Dense and lightweight castables for process heater walls, floors, and roofs (800-1100°C). Multi-layer lining systems combining dense working lining with insulating backup. Low-cement castables for radiant sections, ceramic fiber for convection zones. Resistant to oxidizing and reducing atmospheres. Precast burner blocks and floor tiles for quick installation. Suitable for crude heaters, vacuum heaters, and coker heaters. Service life: 6-10 years.
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Stack Linings
Acid-resistant and insulating castables for flue gas stacks and chimneys (150-500°C). Specialized linings resistant to SO₂, SO₃, and acid condensation below dew point. Lightweight insulating castables to reduce structural load. Chemical-resistant coatings for wet stack applications. Gunnable and pumpable for tall stack installations. Compatible with FGD systems and scrubbers. Self-supporting and anchored lining options. Service life: 10-20 years.
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