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Free drying-out ramming mix for tapping trough
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Free drying-out ramming mix for tapping trough

Free drying out ramming mix is also called Al2O3 SiC C ramming material. The biggest advantage is that it can be constructed without firing. The molten iron can be circulated by laying the ramming material and using the air hammer to ram compactness.
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Free drying-out ramming mix is also called Al2O3-SiC-C ramming material. The biggest advantage is that it can be constructed without firing. The molten iron can be circulated by laying the ramming material and using the air hammer to ram compactness. If the iron trough needs to be repaired, the ramming material will be selected to quickly beat the place that needs to be repaired, so put the iron runner into use in a short time.

 

The free drying-out ramming mix is generally used for the lining of the non-storage iron tapping trough. It can be used for the long-term circulation of the molten iron in the iron tapping trough by laying fire-resistance ramming mix once.

 

The non-storage iron tapping trough is the tapping trough that does not store molten iron. It is often used in the small and medium-sized steelmaking plant. The selected Al2O3-SiC-C ramming material is used to adjust the raw material formula and binder to adapt to the use environment of non-storage iron tapping trough.

 

Features:

Free drying-out ramming mix for tapping trough has the characteristics of high strength, strong slag-resistant erosion, good anti-scourability and long service life.

 

Item Index
JD-CD1 JD-CD2 JD-CD3 JD-CD4 JD-CD5 JD-CD6
Chemical content (%) ≥ Al2O3 70 53 60 48 48 60
SiC+C  12 25 16 10 17 10
Bulk density (g/cm3) ≥ 110℃×24h 2.9 2.8 2.7 2.4 2.4 2.7
1450℃×3h 2.85 2.75 2.65 2.35 2.35 2.65
Permanent linear change (%) 1450℃×3h ±0.3 ±0.3 ±0.5 ±0.5 ±0.5 ±0.5
Cold crushing strength (MPa) ≥ 110℃×24h 20 18 20 15 15 20
1450℃×3h 30 25 40 30 30 40
Using part Main trough iron line Main trough slag line Main trough Iron trough Slag trough Swing chute
Remark The specification is just for reference only. The real products will be tailored to special operation conditions and customer’s special requirements.

 

Free drying-out ramming mix for tapping trough

 

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