Porous Cordierite Honeycomb Monolith
Chemical analysis
|
composition
|
unit
|
value
|
composition
|
unit
|
value
|
|
SiO2
|
wt%
|
48-51
|
Fe2O3
|
wt%
|
<0.5
|
|
Al2O3
|
wt%
|
31-34
|
Na2O
|
wt%
|
<0.5
|
|
MgO
|
wt%
|
14-16
|
K2O
|
wt%
|
<0.5
|
Physical properties
|
No
|
Index
|
Unit
|
Value
|
|
1
|
Cordierite Gross Density
|
g/cm³
|
1.9-2.0
|
|
2
|
Average Linear Expansion(20-1000℃)
|
10-6/k-1
|
<2
|
|
3
|
Specific Heat Capacity
|
KJ/Kg
|
830-900
|
|
4
|
Temperature Cycle Resistance
|
K
|
300
|
|
5
|
Maximum Application Temp
|
℃
|
1300
|
|
6
|
Thermal Shock Resistance
|
℃
|
800
|
|
7
|
Corrosion Resistance Against Acid
|
%
|
>99
|
|
8
|
Corrosion Resistance Against Alkali
|
%
|
>85
|
|
9
|
Water absorption
|
Wt%
|
22+-5
|
Dimension and other physical properties
|
Dimension
|
Quantity of channels
|
Wall thickness
|
Inner surface area(㎡/m³)
|
Free space
|
Average weight(min)
|
|
150*150*300
|
60*60
|
0.5mm
|
1315㎡/m³
|
70%
|
680kg/m³
|
|
150*150*300
|
50*50
|
0.7mm
|
1050㎡/m³
|
58%
|
680 kg/m³
|
|
150*150*300
|
40*40
|
0.7mm
|
883㎡/m³
|
65%
|
518 kg/m³
|
|
150*150*300
|
25*25
|
1.0mm
|
573㎡/m³
|
67%
|
502 kg/m³
|
Dense Cordierite Honeycomb Monolith
Chemical analysis
|
composition
|
unit
|
value
|
composition
|
unit
|
value
|
|
SiO2
|
wt%
|
48-50
|
Fe2O3
|
wt%
|
<1
|
|
Al2O3
|
wt%
|
37-39
|
Na2O
|
wt%
|
<1
|
|
MgO
|
wt%
|
7-9
|
K2O+CaO
|
wt%
|
<2
|
Physical properties
|
Item
|
Unit
|
Index
|
|
Gross density
|
g/cm³
|
2.22-2.45
|
|
Water absorption
|
%
|
<3
|
|
Mean expansion coefficient
|
10-6/k-1
|
<3
|
|
Specific Heat Capacity
|
KJ/Kg
|
850-950
|
|
Heat conductivity
|
W/mk
|
1.5-2.5
|
|
Temperature application
|
℃
|
1300
|
|
Mean heat storage capacity
|
Kwh/ m³k
|
0.252
|
|
Open porosity
|
%
|
<3
|
|
Temperature Cycle Resistance
|
k
|
250
|
|
Acid resistance
|
%
|
>98
|
Dimension and other physical properties
|
Dimension
|
Quantity of channels
|
Wall thickness(mm)
|
Inner surface area(㎡/m³)
|
Free space
|
Average weight(min)
|
|
150*150*300
|
60*60
|
0.5
|
1278
|
64%
|
730 kg/m³
|
|
150*150*300
|
50*50
|
0.7
|
1050
|
58%
|
814 kg/m³
|
|
150*150*300
|
40*40
|
0.7
|
883
|
65%
|
720 kg/m³
|
|
150*150*300
|
33*33
|
1.0
|
700
|
59%
|
737 kg/m³
|
|
150*150*300
|
25*25
|
1.0
|
573
|
68%
|
580 kg/m³
|
Thermal Efficiency
|
Velocity(M/min)
|
50*50
|
33*33
|
25*25
|
|
60
|
95.4%
|
92.4%
|
91.2%
|
|
75
|
94.6%
|
91.0%
|
89.4%
|
|
90
|
93.9%
|
89.6%
|
87.6%
|
|
105
|
93.2%
|
88.4%
|
85.7%
|
|
120
|
92.6%
|
87.2%
|
83.8%
|
|
135
|
92.0%
|
86.0%
|
82.0%
|
Assumptions
Combustion Temp816℃
Inlet Temp20℃
Section Area7.5 m2
Bed Height1200 mm
Cycle Time180 seconds
