10.1一般耐火材料
电力行业用一般耐火材料适用于电站锅炉炉墙、炉底、燃烧室、炉顶、冷渣器等部位,它具有使用方便、性能稳定、满足锅炉长周期运行的优点。
一般用耐火耐磨浇注料
名称
指标
|
耐火耐磨浇注料 |
微膨胀可塑料 |
YGL-85 |
YGL-75 |
YGL-70 |
YGL-60 |
YGL-40 |
YGL-30 |
YGNS |
耐火度℃ |
>1790 |
>1790 |
>1790 |
>1790 |
>1650 |
>1550 |
>1650 |
体积密度g/cm3 |
>2.8 |
>2.45 |
>2.4 |
>2.3 |
>2.1 |
>2.0 |
≥2.2 |
常温耐压强度Mpa |
>50 |
>50 |
>50 |
>50 |
>30 |
>220 |
>15 |
重烧线变化率% |
±0.2 |
±0.2 |
±0.2 |
±0.2 |
±0.2 |
±0.2 |
+1~+3.5 |
|
1600℃×3h |
1400℃×3h |
1300℃×3h |
1200℃×3h |
1100℃×3h |
1100℃×3h |
1400℃×3h |
化学成份% AL2O3 |
>85 |
>70 |
>60 |
>60 |
>40 |
>30 |
≥50 |
% Fe2O3 |
<1.5 |
<2.5 |
<2.5 |
<2.5 |
<3 |
<3 |
≥3 |
10.2耐磨耐火材料
电力行业耐磨耐火材料系我公司针对CFB锅炉高侵蚀,高冲刷的特点而开发的,适用于CFB锅炉炉膛、旋风分离器、冷渣器、点火通道、回料装置的高耐磨耐火材料,经国内大型CFB锅炉的实际应用,达到了满意的使用效果。

电力行业CFB锅炉用耐磨、耐火材料技术指标
|
名称
指标
|
耐磨、耐火砖
|
耐磨、耐火浇注料
|
耐磨、耐火可塑料
|
自流浇注料
|
YZN-Ⅰ |
YZN-Ⅱ |
YZN-Ⅲ |
YZN-Ⅳ |
YZN-Ⅰ |
YZN-Ⅱ |
YZN-Ⅲ |
YZN-Ⅳ |
YZN-Ⅰ |
YZN-Ⅱ |
YZN-Ⅲ |
YZN-Ⅳ |
YZNJ-S-1 |
AL2O3 |
≥85 |
≥75 |
≥65 |
≥80 |
≥80 |
≥70 |
≥65 |
≥6 |
≥80 |
≥75 |
≥65 |
≥55 |
≥80 |
SiO2% |
≤15 |
≤25 |
≤35 |
|
≤15 |
≤25 |
≤30 |
≤3 |
≤15 |
≤25 |
≤30 |
≤40 |
≤18 |
Fe2O3 |
≤1.0 |
≤1.2 |
≤1.5 |
≤1.5 |
≤1.0 |
≤1.3 |
≤1.6 |
≤2.0 |
≤1.0 |
≤-0.3 |
≤1.8 |
≤2.0 |
≤2.0 |
烧后(重烧)线变化% |
≤0.05 |
≤0.1 |
≤0.1 |
≤0.05 |
≤-0.3 |
≤-0.3 |
≤-0.5 |
≤-0.5 |
≤-0.53 |
≤2.5 |
≤-0.5 |
≤-0.5 |
≤-0.2 |
体积密度g/cm3 |
≥2.9 |
≥2.6 |
≥2.5 |
≥2.6 |
≥2.6 |
≥2.6 |
≥2.6 |
≥2.5 |
2.6≥ |
≥60 |
≥2.5 |
≥2.4 |
≥2.7 |
常温耐压强度110℃×24h |
≥100 |
≥85 |
≥70 |
≥100 |
≥80 |
≥65 |
≥65 |
≥55 |
≥70 |
≥80 |
≥50 |
≥50 |
≥100 |
Mpa1000℃×3h |
|
|
|
|
≥80 |
≥60 |
≥50 |
≥45 |
≥100 |
≥80 |
≥70 |
≥60 |
≥110 |
抗折强度110℃×3h |
≥15 |
≥12 |
≥12 |
≥15 |
≥12 |
≥10 |
≥8 |
≥8 |
≥10 |
≥8 |
≥7 |
≥6 |
≥12 |
Mpa1000℃×3h |
|
|
|
|
≥12 |
≥8 |
≥7 |
≥6.5 |
≥15 |
≥12 |
≥10 |
≥8 |
≥13 |
显气孔率% |
≤18 |
≤20 |
≤21 |
≤18 |
≤20 |
≤21 |
≤22 |
≤22 |
≤20 |
≤21 |
≤22 |
≤22 |
|
耐磨系数CC |
≤6 |
≤7 |
≤8 |
≤5 |
≤7 |
≤8 |
≤10 |
≤12 |
≤6 |
≤8 |
≤10 |
≤10 |
≤12 |
导热系数w/m.c |
≤1.8 |
≤1.8 |
≤1.5 |
≤1.0 |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.8 |
≤1.6 |
≤1.6 |
≤1.5 |
|
耐火度℃ |
≥1790 |
≥1790 |
≥1790 |
≥1790 |
≥1770 |
≥1750 |
≥1730 |
≥1700 |
≥1790 |
≥1750 |
≥1730 |
≥1700 |
≥1700 |
|