Pingxiang Qunxing Chemical Ceramics Head FactoryContact us
Pingxiang Qunxing Chemical Ceramics Head Factory
[China]
Ceramic Structured packing is a new type of structured packing that consists of many packing units with the same geometry. Due to the unique structure of ceramics and good hydrophilic properties, the surface can form a very thin liquid film turbulence and the oblique zigzag channel of the gas flow can promote the gas flow without blocking the gas flow so that the ceramic packing can compete with the metal packing.
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Aluminum porcelain |
Mullite porcelain |
Dense cordierite porcelain |
Porous cordierite porcelain |
Mullite porcelain-cordierite porcelain |
Stoneware |
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|
化 学 成 分 % |
AL2O3 |
48-55 |
66-72 |
32-36 |
32-37 |
55-65 |
20-26 |
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|
SiO2 |
40-45 |
25-30 |
45-52 |
46-52 |
28-36 |
68-75 |
|
|
MgO |
- |
- |
5-8 |
8-12 |
2.5-3.2 |
0.2-0.3 |
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|
K2O+Na2O+CaO |
4..0-5.5 |
≤1.0 |
≤3.0 |
≤2.0 |
≤1.0 |
2.5-4.0 |
|
Density(g/cm3) |
2.7 |
2.9 |
2.4-2.6 |
1.9-2.0 |
2.9-3.2 |
2.3-2.5 |
|
|
Coefficient of thermal expansion (20-1000℃)*10-6.℃ |
5-7 |
5.5-6.5 |
2.5-3.5 |
1.3-2.5 |
2.5-4.0 |
5-7 |
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|
(20-1000℃)J/kg.℃ |
800-900 |
1100-1300 |
800-1200 |
750-900 |
850-1100 |
840-920 |
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|
Thermal conductivity (20-1000℃)W/m.℃ |
1.5-2.5 |
1.5-2.0 |
1.5-2.5 |
1.3-1.5 |
1.5-2.3 |
1.0-1.2 |
|
|
≥150 |
≥350 |
≥250 |
≥360 |
≥250 |
≥150 |
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Maximum working temperature |
1300 |
1600 |
1300 |
1300 |
1400 |
1300 |
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