The main content of silicon carbide bricks is SIC, and its content reaches 72%-99%. Silicon carbide refractory bricks can be combined with clay, oxide, and silicon nitride in different ways. The characteristics of its response and the industry of application are also different.
Silicon carbide brick
Είδος | Bonding Type | |||||||
Πηλός | Mullite | SiO2 | Si3N4 | Sialon | β-SiC | R-SiC | Siliconizing reaction | |
Ούτω % | >85 | >70 | ≥90 | ≥72 | ≥71 | ≥94 | ≥99 | ≥80 |
Si3N4 % | / | / | / | ≥20 | / | / | / | / |
Ο Αλ2Ο3 % | / | / | / | / | ≥5 | / | / | / |
Si % | / | / | / | / | ≥5.5(N) | / | / | 12~18 |
Μαζική Πυκνότητα g/cm3 | 2.5~2.6 | 2.55~2.65 | 2.6~2.7 | ≥2.65 | ≥2.65 | ≥2.63 | ≥2.65 | ≥3,0 |
Φαινόμενο πορώδες % | ≤20 | ≤16 | ≤15 | ≤16 | ≤16 | ≤17 | ≤15 | ≤0,5 |
Flexural strength at room temperature MPa | ≥20 | ≥25 | ≥25 | ≥45 | ≥45 | ≥30 | ≥90 | ≥220 |
Flexural strength at high temperature MPa 1400℃ | / | / | / | ≥45 | ≥45 | ≥30 | ≥90 | ≥240 |
Cold Crushing strength MPa | ≥100 | ≥100 | ≥120 | ≥160 | ≥150 | ≥140 | ≥300 | ≥800 |
Features of silicon carbide bricks
- Αντοχή στη διάβρωση
- Slightly large
- Καλή θερμική αγωγιμότητα
- Ισχυρή αντοχή στην κρούση
- Low thermal expansion coefficient is a high-quality high-temperature resistant material
Types of silicon carbide bricks
Classification by combination method
Silicon carbide refractory bricks can be divided into clay-bonded silicon carbide bricks, β-silicon carbide bonded silicon carbide bricks, silicon oxynitride bonded silicon carbide bricks, silicon nitride bonded silicon carbide bricks, and Sialon bonded silicon carbide bricks according to different bonding methods.
Classification by chemical content
According to the different contents of chemical components, silicon carbide bricks are mainly divided into oxide-bonded silicon carbide bricks, green silicon carbide bricks, corundum silicon carbide bricks, mullite silicon carbide bricks, and high alumina silicon carbide bricks.
Application of silicon carbide brick
- Used in the metallurgical industry
The metallurgical industry mainly uses aluminum melting furnaces for aluminum alloy smelting, secondary tuyere bricks for blast furnaces, και τα λοιπά. - Used in the power industry
Στη βιομηχανία ηλεκτρικής ενέργειας, it is mainly used in boilers and is set at the nozzle of the boiler combustion chamber. - Used in the waste disposal industry
Silicon carbide bricks can also be used in waste incinerators
Εισαγωγή της εταιρείας Rongsheng
Rongsheng Company is a professional supplier of refractory materials, με 10 χρόνια εμπειρίας στις εξαγωγές, εξαγωγή σε περισσότερα από 80 χώρες. Τα κύρια προϊόντα της Rongsheng Company περιλαμβάνουν διάφορα πυρίμαχα τούβλα, άμορφα πυρίμαχα υλικά, μεταλλουργικά υλικά, θερμομονωτικά υλικά, και ούτω καθεξής.
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