| abstract |
The invention discloses a kind of 900m 3 Blast furnace mud, it is characterised in that described blast furnace mud is made up of the component of following weight portion: titanium nitride: 6 ~ 10 parts; Aluminium nitride: 8 ~ 15 parts; Pyrophillite rawore: 10 ~ 20 parts; Zirconium carbonate 1-3 part; Ball clay: 10 ~ 20 parts; Alumina powder 2 ~ 4 parts; Graphite powder: 12 ~ 20 parts; Silicate 425 cement? 0-1 part; Silicon nitride iron powder: 3 ~ 8 parts, anchracite duff 2-5 part, resin-oatmeal: 3 ~ 8 parts; Polyether-modified polysiloxane: 0.01 ~ 0.05 part; Additional bonding agent: 15 ~ 18 parts. After using technical scheme, it is thus achieved that it is convenient that one beats mud, iron-resistant water erosion, the stemming that molten iron discharging is stable, can solve current blast furnace uses the stemming tapping hole caused of poor quality to shoal, not resistance to erosion, the problem such as corrodes and stemming is seriously polluted weak to molten iron. |