ceramic honeycomb
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产品名称:
ceramic honeycomb
产品型号:
产品展商:
Lihua
产品价格:
0.00 元
简单介绍
Honeycomb Ceramic for Heat Exchange has low heat expansion coefficient, large surface area, good heat stability and anticorrosion.
ceramic honeycomb的详细介绍
1. Product Description
Honeycomb Ceramic for Heat Exchange has low heat expansion coefficient, large surface area, good heat stability and anticorrosion. It's the core components of regenerative high temperature combustion.It can save 10-70% energy under various types.
2. Physical & Chemical Properties
|
Type
Item
|
Alumina
|
Mullite
|
Dense Cordierite
|
Porous Cordierite
|
Mullite-Cordierity
|
Corundum-Mullite
|
|
 Chemical
composition,％
|
Al2O3
|
48-55
|
66-72
|
32-36
|
32-37
|
55-65
|
20-26
|
|
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
|
|
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
|
|
Heat capacity
(20-1000℃),j/kg·℃
|
800-900
|
1100-1300
|
800-1200
|
750-900
|
850-1100
|
840-920
|
|
Thermal conductivity
(20-1000℃)W/m·℃
|
1.5-2.5
|
1.5-2.0
|
1.5-2.58
|
1.3-1.5
|
1.5-2.3
|
1.0-1.2
|
|
Spalling resistance,℃
|
≥150
|
≥350
|
≥250
|
≥360
|
≥250
|
≥150
|
|
Max Working temp.℃
|
1300
|
1600
|
1300
|
1300
|
1400
|
1300
|
3. Type and Size
|
Type
Item
|
1
|
2
|
3
|
4
|
5
|
6
|
|
Number of channels
|
5×5
|
13×13
|
20×20
|
25×25
|
40×40
|
50×50
|
|
Channel density,cm-2
|
0.15
|
1
|
2
|
3
|
7
|
11
|
|
Width of channel,mm
|
26.3
|
9.2
|
6.4
|
4.9
|
3.0
|
2.3
|
|
Thickness of wall,mm
|
2
|
1.5
|
1.2
|
1.0
|
0.7
|
0.7
|
|
Surface area,m2/m3
|
117
|
278
|
455
|
540
|
825
|
1005
|
|
Free cross-section,%
|
77
|
74
|
73
|
67
|
65
|
57
|
|
Size,mm
|
Standard sizes：150×150×600/450/300/150/100/50
Others：100×100×100/40
|
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