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Honeycomb Ceramic
With the characters of big specific surface area, big thermal capacity, low thermal expansion coefficient, strong corrosion resistance, and excellent heat endurance, honeycomb ceramic is widely applied in industries of chemical, metallurgy, gas and environment protection. Generally, it's applied as
  • Mass transfer packing
    Big surface area, flow distributed evenly, and high performance of separation
  • Catalyst carrier
    It can lower oxidation temperature of organic chemical. It can carry     noble metal catalyst, e.g. platinum, rhodium, or palladium to form the catalytic converter to purify tail gas applied in automobile industry.
  • Thermal storage agent
    It's applied in the process of heat exchange. Energy saving for the thermal storage unit is over 10%.
  • Refractory stove packing
    Low bulk density, fast heat transmission, and high thermal efficiency
  • Gas distributing plate
    It distributes heat evenly and facilitates complete combustion, which energy saving can be over 10%
　
Honeycomb Ceramic
　
Honeycomb Ceramic
Honeycomb Ceramic Thermal Storage

Series honeycomb ceramic thermal storage are developed specially applying in steel heat furnace for heat storage and release. 

With the characters of big specific surface area, high thermal storage capability, low pressure drop and excellent thermal shock resistance, honeycomb ceramic thermal storage is widely applied in various industries, especially for metallurgy of steelmaking furnace, energy saving of steel-rolling stove, NOx purification system of thermal power plant, waste gas purification system of incinerator, toxic gas purification system in chemical and mining industries, heat exchange system, etc.

As for the material of honeycomb ceramic thermal storage, its principal crystalline phase is mullite. As for main chemical ingredients inside,  AL2O3 occupies about 60%, SiO2 about 38%, and others about 2%.
　 　
Technical data for Honeycomb Ceramic
Size
(mm)
Cell numbers
(n)
Cell Diameter
(mm)
Wall thickness
(mm)
Open porosity
(%)
150×150×100
20×20
□6.4
1.2
73
150×150×100
25×25
□4.9
1.0
67
150×150×100
40×40
□3.0
0.7
65
150×150×100
50×50
□2.5
0.5
57
150×150×100
59×59
□2.1
0.43
56
150×100×100
36×24
□3.0
1.1
52
100×100×100
24×24
□3.0
1.1
52
100×100×100
31×31
□3.5
0.7
60
165×110×100
41×27
□3.0
1.1
52
150×100×100
42×28
□2.5
0.8
60
150×100×100
21×14
□5.0
2.0
50
100×100×100
14×14
□5.0
2.0
50
Physics Property for Honeycomb Ceramic
Open porosity, % 65
Surface Area, m2/m3 825
True Density, g/cm3
 2.1
Thermal expansion coefficient (20-800℃), ×10-6/℃
5.1
Specific heat capacity,  KJ/Kg·K 0.98
Compressive strength, MPa ≥20
Max operating temperature about 1600 ℃
Pore density
 1600

Honeycomb Ceramic Catalyst Carrier 		　
With the characters of thin cell wall, big specific surface area, high compressive strength, low pressure drop and low bulk density, honeycomb ceramic can be used as catalyst carrier.

Series of honeycomb ceramic catalyst carrier are made from the material of cordierite through the process of extrusion. Specification for honeycomb ceramic catalyst carrier is 100-400 pores or cells per square inch.

Honeycomb ceramic usually carries noble metal catalyst, e.g. platinum, rhodium, or palladium to clean waste gas in industries, e.g. it can be formed the catalytic converter to purify tail gas applied in automobile industry.  When tail gas pass through catalytic converter, catalyst can enhance activities of CO, NOx and HC inside tail gas, converting them into CO2, H2O, N2, and O2 through selective oxidation-reduction reaction. Therefore, tail gas can be purified.
Honeycomb Ceramic
Structure Property
Cell Type
square
Cell number, number/in2
100
200
300
400
Cell distance, mm
2.54
1.75
1.47
1.27
Thickness of cell wall, mm
0.43
0.32
0.30
0.18
Open porosity, %
63
68
63
71
Porous density, g/cm3
0.71
0.55
0.60
0.43
Surface area, m2/m3
13.0
18.9
21.7
26.8
Physics Property
True Density, g/cm3
2.0
Water absorption under room temperature, wt%
15-25
Water absorption at 100℃, wt%
20-35
Thermal expansion coefficient (40-800℃), ×10-6/℃
＜1.2
Softening Temperature, ℃
≥1370
Compressive Strength, MPa
 >9.9


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