The waste incinerator is to incinerate all the thermal equipment of the three wastes. Commonly used waste incinerators are: grate incinerator, CAO gas-controlled incinerator, fluidized bed incinerator and rotary kiln industrial waste furnace.
The working temperature of the waste incinerator is 1000-1500 degrees. The waste incineration technology is developing in the direction of scale, resource utilization and automation. The erosion of refractory materials such as fly ash, exhaust gas, and slag makes unshaped refractory materials more favored by users, and has gradually replaced shaped refractory materials. The main hazards of waste incinerators are: material wear and hot gas attack, acid attack and furnace temperature. Changes and erosion of CO.
Main performance features:
As a new type of waste treatment kiln, the waste incinerator is very beneficial to the high temperature erosion and wear of the lining material due to the complex waste composition, so it has high requirements on the performance and thermal conductivity of the refractory material. Mechanical strength, corrosion resistance and wear resistance.
Physical and chemical indicators
材质 | 低水泥高铝质 | 刚玉质 | 碳化硅铝质 | |||||
化学成分/ %
| Al2O3,≥ | 48 | 60 | 45 | 80 | 42 | 8 | 10 |
SiC,≥ | 48 | 80 | 80 | |||||
SiO2,≤ | 44 | 33 | 48 | 8 | 6 | 3 | ||
CaO,≤ | 2.5 | 2.5 | 2.5 | |||||
体积密度g/cm3≥
| 2.40 | 2.68 | 2.35 | 2.90 | 2.20 | 2.50 | 2.50 | |
耐压强度/ MPa,≥
| 110℃ | 50 | 70 | 55 | 75 | 45 | 60 | 25 |
1400℃ | 60 | 80 | 80 | 85 | 29(1200℃) | 80(1200℃) | 70 | |
烧后线变化/ %
| 1400℃ | ±0.5 | ±0.5 | ±0.5 | ±0.4 | ±0.4 (1200℃) | ±0.4 (1200℃) | ±1.0 |
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