Your Address : Globalchemmade--Nanning Elaiter Enviromental Technologies Co., Ltd
Name:Nanning Elaiter Enviromental Technologies Co., Ltd
Type:Others
Tel:86-771-5676951
Fax:86-771-5676952
Email:elaiter@elaiter.com
Address:China(Mainland)
Products detail
| Product Name: | Honeycomb Thermal Store Catalyst Ceramic |
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| CAS No: | ||
| Product Type: | Catalysts & Chemical Agents -> Catalyst | |
| Product spec: | -- | |
| Packing: | ||
| Post Time: | 2010-08-05 | |
| Usage: | ||
| Description: | Honeycomb thermal store catalyst ceramic is used for waste gas treatment(RTO, RCO) of the different requirements, ing many kinds of new highly effective ceramic material to make. It has the following notable characters: Large specific surface area, little resistance loss, small heat-expand and cold-contract coefficient, high water-absorbing ratio, good fracture resistance and moderate Millipore aperture. 1. Physical & chemical properties of honeycomb thermal store catalyst ceramic: Material Item Alumina Ceramic Loosen Mullite Compact Cordierite Loosen Cordierite Stoneware Porcelain AL 2 O 3 ( % ) 52.0 68.3 25.5 35.4 30.4 SiO 2 ( % ) 43.3 28.9 57.2 51.5 66.1 MgO ( % ) 0.1 0.2 7.9 11.5 0.13 Other ( % ) <3.5 <2.0 <3.0 <1.5 <3.0 Material Density g/m 3 2.68 2.31 2.42 2.16 2.47 Loose Density Kg/m 3 965 832 871 778 889 Coefficient of Thermal Expansion ×10 -6 /°C 6.2 6.2 3.5 3.4 4.8 Specific Capacity J/Kg K 992 998 942 1016 897 Thermal Conductivity W/Mk 2.79 2.42 1.89 1.63 1.37 Resistance to Fluctuated Temperature K Max 500 Max 550 Max 500 Max 600 Max 500 Softening Temperature °C 1500 1580 1320 1400 1380 Highest Working Temperature °C 1400 1480 1200 1300 1280 Avege Thermal Capacity KWh/m 3 K 0.266 0.231 0.228 0.219 0.222 Porosity Ratio % 0.8 26.0 0.4 15.0 0.6 Acid Resistance % 0.2 2.5 5.0 16.7 0.3 2 .Specification of honeycomb thermal store catalyst ceramic: Outside Dimension 150×150×300(mm) Number of Hole(cells) 25×25=625 40×40=1600 50×50=2500 Aperture ( mm ) 4.9 3.0 2.4 Thickness of Inner-wall ( mm ) 1.0 0.7 0.6 Specific Surface Area ( m 2 /m 3 ) 540 825 1050 Cell-opening Ratio ( % ) 67 64 63 3.Technical data of catalyst carrier used in RCO : Interior Hole Form Square (four corners) Regular Hexagon(six corners) Number of Channels(cells/in 2 ) 400 300 210 100 80 90 Distance of Channels (mm) 1.27 1.47 1.75 2.54 2.80 2.85 Thickness of Wall (mm) 0.20 0.30 0.35 0.32 0.43 0.40 0.40 Cell-opening Ratio (%) 71.0 63.3 64.1 66.8 63.0 73.5 74.1 Geometric Superficial Area (mm 2 /mm 3 ) 26.5 21.7 18.3 18.7 13.0 10.1 12.0 Coefficient of Thermal Expansion(40 - 800°C ) (×10 -6 /°C) <2.1 Water-absorbing rate(%) 15-30 According to user’s requirements Compressive Strength ( MPa) Lengthways >9.9 >14.8 >9.9 >9.9 Horizontal >1.4 >3.5 >1.0 >0.2 | |