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High Temperature Air Combustion (HTAC) is a new-type combustion Tec with enormous energy-conservation and environmental protection. The thermal store honeycomb ceramic is used extensively in the various field, such as the steel, machinery, building materials, petrochemical industry, colored metal etc, as the key part of HRC, such as different kinds of heating furnaces, hot-blast furnace, heat-treatment furnace, cracked stove, roaster, melting furnace, hot stove, oil gas boiler, etc. This technology is to make two regenerator to absorb heat and send out heat alternatively through the direction change device, recuperate the heat of the exhaust gas to the maximum extent, and then heat the combustion-supporting air and coal gas to more than 1000 Celsius degrees, even the inferior fuel (e.g. the blast furnace gas ) of lower calorific power can also catch fire steadily and burns high-efficiently. It can save 40-70% of fuel, improves output more than 15%, decreased more than 40% that billet steel is oxidized and burnt, NOx tap smaller than 100ppm, and make the temperature of exhaust gas emission lower than 160 Celsius degrees. It will reduce the greenhouse effects of the earth greatly.
1.Specification of Honeycomb ceramic block :
| Specification (L×W×H)(mm) | Channels Density (Cell/in2) | Number of Hole (cells) | Width of Channels (mm) | Thickness of Wall (mm) | Surface Area (m2/ m3) | Cell-opening Ratio (%) |
| 150×150×300 | 18 | 25×25 | 4.9 | 1.0 | 540 | 67 |
| 150×150×300 | 46 | 40×40 | 3.0 | 0.7 | 825 | 65 |
| 150×150×300 | 72 | 50×50 | 2.26 | 0.72 | 1008 | 57 |
2.Chemical Composition of Honeycomb ceramic block :
| Chemical Composition | Alumina Porcelain | Cordierite | Mullite |
| SiO2 (%) | 36.7--38.15 | 46--48 | 27--28 |
| Al2O3 (%) | 50.75--52.5 | 34--37 | 70--71 |
| MgO (%) | 3.8--4.4 | 7.00--7.50 | -- |
| Fe2O3 (%) | 0.70--0.90 | 0.70--0.90 | 0.50--0.70 |
| CaO+K2O+Na2O (%) | 3.00--3.30 | 2.50--2.90 | 0.80--1.20 |
| TiO+BaO (%) | 2.4--3.6 | 0.30--0.40 | -- |
Honeycomb ceramic block