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项 目 \ 牌 号 |
高热震耐火制品 |
红柱石制品 | |||||||||||||
|
RDL-75 |
ML-72 |
SDHA55 |
HRN-48 |
HRN-42 |
HLE |
SDHB |
SDHD |
SDHS |
SDDE |
SDHR | |||||
| Al2O3 % |
≥75 |
≥72 |
≥55 |
≥48 |
≥42 |
≥57 |
≥65 |
≥53 |
≥57 |
≥55 |
≥60 | ||||
| Fe2O3 % |
≤1.2 |
≤1.2 |
≤0.8 |
≤1.5 |
≤1.5 |
≤1.2 |
≤0.8 |
≤1.0 |
≤1.0 |
≤0.8 | |||||
| TiO2 % |
≤0.5 |
≤0.6 |
≤0.5 |
≤0.5 | |||||||||||
| K2O+Na2O % |
≤0.5 |
≤0.6 |
≤0.6 |
≤1.2 |
≤0.6 |
≤1.2 |
≤0.6 |
≤1.2 |
≤1.0 |
≤0.6 | ≤1.2 | ||||
| 杂质 % |
≤0.7 |
≤0.7 |
≤0.7 |
≤0.7 | |||||||||||
|
耐火度 ℃ |
≥1790 |
≥1790 |
≥1760 |
≥1750 |
≥1750 |
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| 显气孔率 % |
≤22 |
≤23 |
≤20 |
≤21(24) |
≤23(24) |
≤20(22) |
≤20 |
≤20 |
≤20 |
≤24 |
≤20 | ||||
| 常温耐压强度 Mpa |
≥60 |
≥50 |
≥55 |
≥40 |
≥40 |
≥40(30) |
≥50 |
≥40 |
≥40 |
≥40 |
≥40 | ||||
| 常温抗折强度 Mpa |
≥15(12) |
≥18 |
≥15 |
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| 荷重软化温 ℃ |
T2≥1550 |
KD≥1550 |
KD≥1550 |
T2≥1550 |
T2≥1520 |
T0.5≥1420 T2≥1580 |
T0.5≥1520 T2≥1630 |
T0.5≥1350 T2≥1490 |
T0.5≥1470 T2≥1580 |
T2≥1580 |
T0.5≥1460 T2≥1600 | ||||
| 0.2MPa蠕变率 (20~50)h % |
1550℃×50h ≤0.8 |
1500 ℃ ≤0.2 |
1350 ℃ ≤0.2 |
1400 ℃ ≤0.2 |
1450 ℃ ≤0.2 |
1450 ℃ ≤0.2 | |||||||||
| 重烧线变化率 % |
1550 ℃×2h +0.1~-0.2 |
1450 ℃×2h ±0.1 |
1450 ℃×2h ±0.1 |
1450 ℃×2h 0~-0.2 |
1450 ℃×2h 0~-0.2 |
1500 ℃×4h ±0.2 |
1500 ℃×4h ±0.2 |
1400 ℃×4h ±0.2 |
1500 ℃×4h ±0.2 |
1500 ℃×4h ±0.2 |
1500 ℃×4h ±0.2 | ||||
| 热震稳定性,次(1100℃ 水冷) |
≥15 |
≥100 |
≥30 |
≥30 |
≥30 |
≥20 |
950℃ ≥30 |
950℃ ≥30 |
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| 使用部位 |
拱顶 |
燃烧室 |
蓄热室、拱顶、 大墙、格子 |
热风管道 |
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