In high-temperature industries such as metallurgy, ceramics, and chemical engineering, the stability and durability of equipment directly affect production efficiency and costs. As the “throat” component of the combustion system, the burner sleeve has long faced challenges such as flame impact, high temperature corrosion, and sudden temperature changes. The problem of deformation and short lifespan of traditional metal burner sleeves is being quietly changed by a new type of material:silicon carbide (SiC) burner sleevesare becoming a new favorite in industrial high-temperature scenarios due to their “hard core” performance.
1、 Silicon carbide: Born for high temperatures
Silicon carbide is not an emerging product in the laboratory. As early as the end of the 19th century, humans discovered this compound composed of silicon and carbon. Its crystal structure endows it with three major ‘superpowers’:
1. High temperature resistance: able to maintain strength at 1350 ℃, far exceeding the melting point of ordinary metals;
2. Wear resistance: Faced with high wear environments, its lifespan is several times that of ordinary materials;
3. Corrosion resistance: It has strong resistance to acidic and alkaline environments and molten metal corrosion.
These characteristics make silicon carbide an ideal choice for burner sleeve materials, especially suitable for combustion equipment that requires prolonged exposure to open flames.
2、 Three major advantages of silicon carbide burner sleeve
Compared with traditional metal or refractory ceramic burner sleeves, the advantages of the silicon carbide version are clearly visible:
1. Doubling lifespan
The metal burner sleeve is prone to oxidation and softening at high temperatures, while the stability of silicon carbide extends its service life by 3-5 times, reducing the frequency of shutdown and replacement
2. Energy conservation and efficiency improvement
The thermal conductivity of silicon carbide is several times that of ordinary ceramics, which can quickly transfer heat, improve fuel combustion efficiency, and reduce energy consumption.
3. Easy maintenance
Wear resistant, corrosion-resistant, and high-temperature resistant, requiring only simple daily maintenance, significantly reducing maintenance costs.
3、 Which industries need it more?
1. Ceramic kiln: Suitable for glaze sintering environments above 1300 ℃
2. Metal heat treatment: resistant to molten metal splashing and slag erosion
3. Garbage incineration: resistant to the strong corrosiveness of chlorine containing waste gas
4. Glass melting furnace: suitable for long-term stable operation under alkaline atmosphere
4、 Usage tips
Although the performance of the silicon carbide burner sleeve is strong, correct use is still essential:
1. Avoid mechanical collisions during installation to prevent hidden cracks
2. It is recommended to increase the temperature step by step during cold start
3. Regularly remove the surface coking layer and keep the nozzle unobstructed
As a technology service provider deeply involved in the field of industrial refractory materials, we always pay attention to the application and transformation of cutting-edge material technology. The promotion of silicon carbide burner sleeves is not only a material upgrade, but also a response to the demand for “more efficient, energy-saving, and reliable” industrial production. In the future, we will continue to optimize product processes and enable more enterprises to use high-temperature resistant solutions that are “long-lasting and much more cost-effective”.
Shandong Zhongpeng’s professional team can provide customized selection suggestions and technical support for you. Welcome tovisit usfor exclusive solutions.
Post time: May-04-2025