Applications and Advantages of Ceramic Fiber Products in High-Temperature Equipment of the Iron and Steel Industry
I. Main Applicable Equipment & Service Performance
1. Steel Rolling Reheating Furnace
Operating temperature: 1200–1400°CZirconia-containing ceramic fiber modules are laid on the hot face for high temperature and oxidation resistance.Zirconia-alumina ceramic fiber blankets are installed as the insulation layer to effectively reduce heat loss. 2. Annealing Furnace & Heat Treatment Furnace
Operating temperature: 800–1100°CFolded ceramic fiber modules matched with anchoring systems improve structural stability.Ceramic fiber boards are adopted at critical positions to strengthen resistance to air flow erosion and extend service life. 3. Ladle & Hot Metal Ladle Cover
Operation feature: Intermittent operation with drastic temperature fluctuations (ambient temperature up to 1300°C).Ceramic fiber boards (resistant to molten slag splashing) or high-density ceramic fiber modules are used on the hot face, with ceramic fiber blankets as backing insulation. 4. Blast Furnace Hot Blast Pipeline
Challenges: Erosion by high-temperature airflow (900–1250°C) and cyclic temperature variations.Ceramic fiber solution: 5. Other Critical Equipment
Blast furnace: Furnace throat, hot blast pipelines, hot stove lining (insulation layer), hot metal runner covers
Hot blast stove: Furnace top, combustion chamber and checker brick areas to cut heat loss
Converter & electric arc furnace: Thermal insulation and sealing for furnace covers, furnace doors and tapping holes
Ladle & tundish: Permanent layer insulation and ladle cover lining to slow down temperature drop of molten steel
Flues & chimneys: Lining for high-temperature flue gas pipelines with anti-corrosion and thermal insulation functions
II. Core Advantages of Ceramic Fibers
High Temperature Resistance
Long-term service temperature ranges from 1000°C to 1450°C (varies by material grade), suitable for extreme high-temperature working conditions in steel plants.
Energy Saving & Consumption Reduction
Its thermal conductivity is only 1/3 of traditional refractory bricks, cutting heat dissipation and delivering comprehensive energy saving of 20%–40%.
Excellent Thermal Shock Resistance
Hard to crack under rapid temperature rise and fall, ideal for frequently started, stopped and maintained furnaces.
Lightweight Structure
Its bulk density is merely 1/5–1/10 of conventional refractory materials, lowering equipment load and prolonging structural service life.
Convenient Installation & Maintenance
Available in diversified forms including modules, blankets, boards and papers for flexible installation, greatly shortening construction cycles.
Superior Chemical Stability
Resistant to acid and alkali corrosion, inhibiting slag penetration and lining erosion.
Aladdin High Temperature Materials Co., Ltd.
With over 30 years of development, Aladdin High Temperature Materials Co., Ltd. is a professional ceramic fiber manufacturer integrating production, R&D and engineering development.We own four major production bases nationwide located in Hebei, Shandong, Shanxi and Jiangsu, equipped with more than 10 production lines and an annual output exceeding 40,000 tons. All ceramic fiber products from Aladdin come with corresponding test reports and comply with national standards. If you are interested in our products, please send us private messages or type "Purchase" to obtain our contact information!
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