Max-Opening race combination ceramic dome arch is a new supporting device of sulfuric acid drying tower and packing absorber. Compared with the old structure, its advantages are: evenly gas distributed, high mechanical strength, high safety factor, good stability, strong corrosion resistance and used conveniently for a long life by many sulfuric acid industries.
Technical parameter
| Item | Unit | Target | Standard |
| Density | g/cm3 | 2.3-2.6 | ZBG94003-86 |
| Absorption | % | <0.2 | GB8488-2001 |
| Flexural strength | Mpa | ≥45 | GB8488-2001 |
| Compression strength | Mpa | ≥200 | ZBG94003-86 |
| Heat stability | 350-20℃ | Three times no crack | GB8488-2001 |
| Open rate | % | ≥65 | |
| Specification | m | ≤8.3 | |
| Acid resistance | % | >98.8 | DIN |
| Alkali resistance | % | >87 | DIN |
| Bending tolerance | % | <0.5 | DIN |
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