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
আইটেম | Bonding Type | |||||||
Clay | Mullite | SiO2 | Si3N4 | Sialon | β-SiC | R-SiC | Siliconizing reaction | |
SiC % | >85 | >70 | ≥90 | ≥72 | ≥71 | ≥94 | ≥99 | ≥80 |
Si3N4 % | / | / | / | ≥20 | / | / | / | / |
আল2ও3 % | / | / | / | / | ≥5 | / | / | / |
Si % | / | / | / | / | ≥5.5(N) | / | / | 12~18 |
Bulk Density g/cm3 | 2.5~2.6 | 2.55~2.65 | 2.6~2.7 | ≥2.65 | ≥2.65 | ≥2.63 | ≥2.65 | ≥3.0 |
স্পষ্ট ছিদ্র % | ≤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
- জারা প্রতিরোধের
- Slightly large
- ভাল তাপ পরিবাহিতা
- Strong impact resistance
- 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, ইত্যাদি. - Used in the power industry
In the power industry, 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
Rongsheng কোম্পানির ভূমিকা
Rongsheng Company is a professional supplier of refractory materials, সঙ্গে 10 রপ্তানির অভিজ্ঞতার বছর, এর বেশি রপ্তানি করছে 80 দেশগুলি. Rongsheng কোম্পানির প্রধান পণ্য বিভিন্ন অবাধ্য ইট অন্তর্ভুক্ত, আকৃতিবিহীন অবাধ্য উপকরণ, ধাতুবিদ্যা উপকরণ, তাপ নিরোধক উপকরণ, and so on.
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