Chemical Industry
What is a waste incinerator?
The garbage incinerator is a kind of harmless treatment equipment commonly used in the harmless treatment of medical and domestic wastes and animals. The principle is to use the combustion of coal, oil, gas and other fuels to burn and carbonize the objects to be processed at high temperature to achieve the purpose of disinfection.
Currently, common waste incinerators include: grate incinerators, CAO gas-controlled incinerators, fluidized bed incinerators and rotary kiln waste incinerators.
What refractory materials are used in waste incinerators?
As a new type of kiln for processing garbage, waste incinerators have severe high-temperature erosion and wear of the lining materials due to the complex composition of the garbage. Therefore, they have very high requirements for the fire resistance, thermal conductivity, mechanical strength, erosion resistance and wear resistance of the refractory materials. High. Although the working temperature of the garbage incinerator does not exceed 1200°C, the gases generated during combustion, such as HCL, SO2, CL2, CO and alkali metal vapors, are highly corrosive to refractory materials. At the same time, the garbage moves at high temperatures and The incinerator lining is subject to greater wear and thermal shock.
Requirements for refractory materials for waste incinerators: high-strength, wear-resistant products are used to resist wear and erosion by strong airflow; to resist acidic erosion, they must have acid resistance and stability; an important factor that cannot be ignored is thermal shock resistance.
Refractory materials for waste incinerators include high alumina bricks, silicon carbide bricks, clay bricks, high alumina castables, and silicon carbide castables.
Product/Part Name
| PRODUCT NAME/ CHARACTERISTICS |
MAXIMUM TEMPERATURE |
Bulk Density | Chemical Composition% |
| High alumina bricks Dense structure,Refractoriness under load high |
≥1510℃ | 2.5 | Al₂O3≥70 Fe₂O3<2.0 |
| Silioon carbide bricks Stable chemical properties and high thermal conductivity |
1600℃ | 2.60-285 | SiC85 |
| High alumina castable high strength,low abrasion |
1500℃ | ≥2.5 | Al₂O3≥70 CaO≤4 |
| Silicon carbide castable High temperature resistance and good wear resistance |
1790℃ | 2.7 | SiC≥50 |
| Refractory clay bricks |
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