|
1. High Alumina Refractory Products
项目 item |
单位
unit |
指标 index |
LLZ-75 |
LLZ-65 |
LLZ-55 |
LLZ-48 |
AI 2 O 3 ≥ |
% |
75 |
65 |
55 |
48 |
耐火度≥
refractoriness |
o C |
1790 |
1790 |
1770 |
1750 |
0.2MP a 荷重软化开始温度≥
softening temp under 0.2MP a load |
o C |
1520 |
1500 |
1470 |
1420 |
重烧线变化
linear change of-heating |
1500 o C,2h |
% |
+0.1
-0.4 |
|
1450 o C,2h |
|
+0.1
-0.4 |
显气孔率≤
porosity |
% |
23 |
22 |
常温耐压温度≥
pressure resistance at normal temp |
MPa |
53.9 |
49.0 |
44.1 |
39.2 |
2. Alumina Brick for blast Furnace
项目 item |
单位
unit |
指标 index |
GLLZ-65 |
GLLZ-55 |
GLLZ-48 |
AI 2 O 3 ≥ |
% |
65 |
55 |
48 |
Fe 2 O 3 ≤ |
% |
2.0 |
耐火度≥
refractoriness |
o C |
1790 |
1770 |
1750 |
0.2MP a 荷重软化开始温度≥
softening temp under 0.2MP a load |
o C |
1500 |
1480 |
1450 |
重烧线变化
linear change of-heating |
1500 o C,2h |
% |
+0.0
-0.2 |
|
1450 o C,2h |
|
+0.0
-0.2 |
显气孔率≤
porosity |
% |
19 |
18 |
常温耐压温度 ≥
pressure resistance at normal temp |
MPa |
58.8 |
49.0 |
透气度
air permeability |
次 |
实验数据在质量证明书中证明
The test data is indicated in the quality certificate |
3. Alumina Brick for Air Furnace
项目 item |
单位
unit |
指标 index |
RL-65 |
RL-55 |
RL-48 |
AI 2 O 3 ≥ |
% |
65 |
55 |
48 |
耐火度≥
refractoriness |
o C |
1790 |
1770 |
1750 |
0.2MP a 荷重软化开始温度≥
softening temp under 0.2MP a load |
o C |
1500 |
1470 |
1420 |
重烧线变化
linear change of-heating |
1500 o C,2h |
% |
+0.1
-0.4 |
|
1450 o C,2h |
|
+0.1
-0.4 |
显气孔率≤
porosity |
% |
24 |
常温耐压温度≥
pressure resistance at normal temp |
MP a |
49.0 |
44.1 |
39.2 |
热震稳定性 (1100 o C水冷)
heat and shock stability (1100 o Cwater cooling) |
次 |
实验数据在质量证明书中证明
The test data is indicated in the quality certificate |
4. Alumina Brick with Phosphate
项目 item |
单位
unit |
指标 index |
P-75 |
PA-77 |
AI 2 O 3 ≥ |
% |
75 |
77 |
Fe 2 O 3 ≤ |
% |
3.2 |
3.2 |
CaO≤ |
% |
0.6 |
0.6 |
耐火度≥
refractoriness |
o C |
1780 |
1780 |
常温耐压温度≥
pressure resistance at normal temp |
MP a |
70 |
75 |
0.2MP a 荷重软化温度 T0.6≥
softening temp under 0.2MP a load |
o C |
1350 |
1300 |
体积密度≥
buik density |
g/cm 3 |
2.70 |
2.75 |
5 ． Peel-off resistance alumina brick
Used as lining brick in high temperature zone of aluminium oxide chamotte kiln and rotary cement kiln. Good heat and shock stability, alkali corrosion resistance, proper softening load temperature for sticking and etc.
项目 item |
单位
unit |
KBL-80 |
KBL-65 |
KBL-48 |
KBL-40 |
GKBL-80 |
Al 2 O 3 ≥ |
% |
80 |
65 |
48 |
40 |
80 |
耐火度 ≥
refractoriness |
o C |
1770 |
1770 |
1750 |
1750 |
1770 |
0.2MPa荷重软化开始温度 ≥
softening temp.under 0.2MPa load |
o C |
1520 |
1480 |
1450 |
1420 |
1450 |
重烧火烧后线变化
linear change after re-sintering or sintering |
% |
1450 o C*2h
+0.1
-0 |
1400 o C*2h
+0.0
-0.4 |
1400 o C*2h
+0.0
-0.4 |
1350 o C*2h
+0.0
-0.4 |
1450 o C*2h
+0.1
-0.4 |
体积密度 ≥
bulk density |
g/cm 3 |
2.9 |
2.3 |
2.2 |
2.3 |
2.9 |
常温耐压强度 ≥
pressure resistance at normal temp |
MPa |
80 |
50 |
50 |
60 |
80 |
热震稳定性，（ 1100 o C） ≥
heat and shock stability (1100 o C water cooling) |
次
times |
20 |
8 |
15 |
15 |
20 |
显气孔率 ≤
porosity |
% |
` |
28 |
26 |
` |
` |
耐碱性
alkali resistance |
` |
一般
standard |
一般
standard |
一般
standard |
良好
good |
一般
standard |
Further, New peel-off resitance alumina brick is developed on the basis of above product and used for the requirement of coal-spraying pipe of alumina kiln, high grade ore sintering techque and large cement production line, suitable for sintering zone of alumina kiln, decomposing interim zone and kiln head of large cement production line. |
