| |
热风炉用高铝砖、低蠕变高铝砖
High Alumina Bricks for Hot Blast Stove and Low Creep-Deformation High Alumina Bricks
名称
Name |
牌号
Brand |
Al2O3
%
≥
|
显气孔率％
Apparent Porosity
≤ |
耐压强度Mpa
Cold
Crushing strength
≥ |
耐火度
℃
Refracto-
riness
≥ |
0.2Mpa荷重软化开始温度℃
Refractoriness
under load ≥ |
重烧线变化（1450℃，2h)%
Premanent
linear change |
蠕变率
Creep
%
≤ |
高铝砖
High Alumina
Bricks |
RL-65 |
65 |
24 |
49 |
1790 |
1500 |
+0.1
-0.4 |
1 |
| RL-55 |
55 |
24 |
44 |
1770 |
1470 |
+0.1
-0.4 |
1 |
| RL-48 |
48 |
24 |
39 |
1750 |
1420 |
(1450℃,2h)
+0.1
-0.4 |
1 |
|
低蠕变高铝砖
Low Creep High Aulmina Bricks
|
RL-75 |
75 |
18 |
60 |
1 |
1 |
1 |
(1500℃,50h)0.8 |
| RL-65 |
65 |
19 |
60 |
1 |
1 |
1 |
(1400℃,50h)0.8 |
|
蓝晶石砖
Kyanite Bricks
|
1 |
75 |
19 |
80 |
1790 |
1580 |
热震稳定性（次）
Thermalshock
resistance,times20 |
(1450℃,50h)1 |
炼钢电炉顶用高铝砖
High Alumina Bricks used for the Roof of Steelmking Electric Furnace
|
项目
ltems
|
指标 lndex
|
| DL-80 |
DL-75 |
DL-65 |
| Al2O3,% 不小于 |
80 |
75 |
65 |
| 耐火度 ℃ 不低于Refractoriness |
1790 |
1790 |
1790 |
0.2Mpa荷重软化开始温度℃不低于
Refractoriness under load |
1550 |
1530 |
1520 |
重烧线变化率％
Permanent linear change |
1550℃，2h |
0
-0.3 |
0
-0.4 |
-- |
| 1500℃,2h |
-- |
-- |
0-0.4 |
显气孔率％不大于
Apparent Porosity |
炉顶砖Bricks for Valut |
19 |
19 |
22 |
| 拱角砖Bricks for Haunch |
21 |
21 |
23 |
| 常温耐压强度Mpa不小于 Cold Crushing Stength |
78.5 |
68.6 |
58.8 |
| 热震稳定性次数 Thermal Shock Resistance, times |
＊ |
1 |
1 |
|
注：＊提供数据，不作考核依据。 Note:Provided data ,is not taken as basis of examination.
|
|
点击图片查看原图
