产品详情
简单介绍:
Cordierite ceramic honeycomb as a heat accumulation substrate has low heat expansion coefficient, large surface area, good heat stability and anticorrosion
详情介绍:
Cordierite ceramic honeycomb as a heat accumulation substrate detail
Geometrical Charastics of Honeycomb Ceramics
Items | (Unit) | 1 | 2 | 3 | 4 | 5 | 6 |
Channels Density | Cell/in2 | 18 | 35 | 46 | 53 | 72 | 100 |
Length×Width | mm | 150×150 | 150×150 | 150×150 | 150×150 | 150×150 | 150×150 |
No. of Channels | 25×25 | 35×35 | 40×40 | 43×43 | 50×50 | 59×59 | |
Width of Chennel | mm | 4.9 | 3.3 | 3.0 | 3.0 | 2.26 | 2.15 |
Thickness of Wall | mm | 1.0 | 1.0 | 0.7 | 0.5 | 0.72/0.55 | 0.381 |
Surface Area | m2/m3 | 540 | 695 | 825 | 1000 | 1008 | 1339 |
Hole Fraction | % | 67 | 57 | 65 | 72 | 57/64 | 72.3 |
Performance Index of Honeycomb Heat Accumulation Substance
Contents | Aluminum Ceramic | Mullite | Compact Cordierite | Porosity Cordierite | Ceramic | Mullite Corundum | Mullite Cordierite |
SiO2 | 40~45 | 26~27 | 47~49 | 46~48 | 60~65 | 21.5~22.5 | 28~36 |
Al2O3 | 48~55 | 70~72 | 36~38 | 33~35 | 30~35 | 71~72 | 55~65 |
MgO | - | - | 6~8 | 10~12 | 0.50~1.0 | 2.00~2.10 | 2.5~3.2 |
Fe2O3 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.10 | ≤0.5 | ≤0.8 |
Na2O+K2O+CaO | 4.0~5.5 | 1.0~1.5 | 2.50~3.50 | 1.00~1.50 | 2.50~3.30 | 0.25~0.30 | ≤1.0 |
TiO2+BaO | - | - | 0.7~0.8 | 0.7~0.8 | ≤0.5 | 0.10~0.15- | - |
Chemical Composition of Honeycomb Ceramics
Heat Accumulation Substance | Aluminum Ceramic | Mullite | Compact Cordierite | Porosity Cordierite | Ceramic | Mullite Corundum | Mullite Cordierite |
Bulk Density g/cm3 | 2.3~2.4 | 2.7 | 2.47 | 1.90 | 2.10 | 2.20~2.30 | 2.1~2.25 |
CTE(20-800°C×10-6) | 5.00~7.00 | 6.2 | 1.30~1.4 | 2.50~5.00 | 4.00~7.00 | 6.00~6.50 | 2.50~5.50 |
Thermal CapacityJ/kg.k | 800-900 | 850~1050 | 800~1200 | 750~800 | 840~920 | 900~1100 | 850~1050 |
Thermal Conductivity(20~100°C W/mk) | 1.4~2.0 | 1.4~2.0 | 1.5~2.5 | 1.3~1.5 | 1.0~1.2 | 1.4~2.0 | 1.4~2.0 |
Refractoriness°C | ≥1300 | ≥1600 | ≥1300 | ≥1300 | ≥1200, , | ≥1550 | ≥1550 |