Anhydrous tap-hole stemming

Anhydrous tap-hole stemming


Classification:

Good corrosion resistance, filling and wear resistance can reduce the corrosion of the lining brick around the tap hole and the bottom of the furnace by molten iron and slag, and better protect the lining and hearth of the tap hole area of the blast furnace, which is beneficial to extend the service life of the blast furnace body.
Send Mail

Product Details


Product advantages:

1, With high refractoriness, high temperature resistance and scouring of slag iron;

2, Good wear resistance, high strength, good filling and sintering ability after drying;

3, Good plasticity, gas permeability;

4, Long time of constant iron output, long shelf life, increase the amount of iron;

5, Good corrosion resistance, filling and wear resistance can reduce the corrosion of the lining brick around the tap hole and the bottom of the furnace by molten iron and slag, and better protect the lining and hearth of the tap hole area of the blast furnace, which is beneficial to extend the service life of the blast furnace body.

 

Item JDPN-N1 JDPN-N2 JDPN-N3
Chemical content (%) Al2O3  ≥ 50 30 25
SiC  ≥ 17 11 8
F.C  ≥ 6 9 13
Cold crushing strength (MPa) ≥ 300℃×24h  ≥ 3.5 3 2
1350℃×3h  ≥ 13 10.5 8.5
Linear change rate (%) ±            1450℃×3h 1.65 1.8 2
Bulk density (g/cm3) ≥        110℃×24h   1.8 1.75 1.65
Remark The specification is just for reference only. The real products will be tailored to special operation conditions and customer’s special requirements.

 

Anhydrous tap-hole stemming

 

Key words:

Anhydrous tap-hole mix