The series castables are characterized by high
strength, good abrasion resistance and good volumest ability. The NPT-1
spraying mix is specially developed for pre-calcining cyclone of cement kilns.
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The series castables are characterized by high
strength, good abrasion resistance and good volumest ability. The NPT-1
spraying mix is specially developed for pre-calcining cyclone of cement kilns.
Properties specification of castables and spraying mix for rotary kilns
|
Type |
SR-NPT-1 |
SR-LGL-50 |
SR-LGL-65 |
SR-LGL-70 |
SR-LGL-70+SN |
|
Chemical analysis (%) ≥ |
Al2O3 |
40 |
50 |
60 |
70 |
70 |
Bulk density (g/cm3) ≥ |
110℃×24h |
1.85 |
2.30 |
2.50 |
2.65 |
2.70 |
|
1300℃×3h |
1.80 (1000℃) |
2.25 |
2.45 |
2.60 |
2.65 |
|
|
Modulus of rupture Mpa ≥ |
110℃×24h |
4 |
4 |
5 |
6 |
6 |
|
1300℃×3h |
4 (1000℃) |
6 |
10 |
12 |
12 |
|
|
Compressive strength Mpa ≥ |
110℃×24h |
15 |
20 |
35 |
35 |
35 |
|
1300℃×3h |
15 (1000℃) |
30 |
60 |
70 |
70 |
|
Permanent change (%) |
1300℃×3h |
-0.5～+0.5 (1000℃) |
-0.3～+0.5 |
-0.3～+0.5 |
-0.3～+0.5 |
-0.3～+0.5 |
|
Application |
Cyclone silo |
Pre-decompositoion cyclone
silo |
Feeder chamber and
cooling machine |
End of rotary kiln,
cooling machine and feeder chamber |
||
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