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The invention relates to a branch iron runner castable material. The branch iron runner castable material comprises a main material and an additive. The main material comprises, by weight, 5-8 parts of magnesium titanate with particle sizes of 3-5mm, 15-20 parts of chromium nitride with particle sizes of 5-3mm, 15-20 parts of sillimanite with particle sizes of 3-1mm, 8-15 parts of calcium chromite with particle sizes of 1-0mm, 2-5 parts of clay-like powder, 3-7 parts of cobalt aluminum oxide powder, 5-10 parts of cutting powder, 3-8 parts of amorphous graphite powder, 1-2 parts of composite carbon powder, 0-3 parts of molybdenum trioxide powder, 3-5 parts of alumina micro-powder, 1-5 parts of iron magnesium oxide powder, 1-3 parts of Rho alumina and 1-5 parts of fused pure calcium aluminate cement. Based on the total weight part of the above main materials, a weight part of calcium lignin sulphonate is 0.1-0.2, a weight part of nanometer potato powder is 0.01-0.05, a weight part of malic acid is 0.01 and a weight part of C12H14N4O5S2 is 0.1. A blast furnace iron runner prepared from the castable material has the characteristics of good thermal shock resistance, corrosion resistance, large iron influx and long service life.
The invention relates to a branch iron runner castable material. The branch iron runner castable material comprises a main material and an additive. The main material comprises, by weight, 5-8 parts of magnesium titanate with particle sizes of 3-5mm, 15-20 parts of chromium nitride with particle sizes of 5-3mm, 15-20 parts of sillimanite with particle sizes of 3-1mm, 8-15 parts of calcium chromite with particle sizes of 1-0mm, 2-5 parts of clay-like powder, 3-7 parts of cobalt aluminum oxide powder, 5-10 parts of cutting powder, 3-8 parts of amorphous graphite powder, 1-2 parts of composite carbon powder, 0-3 parts of molybdenum trioxide powder, 3-5 parts of alumina micro-powder, 1-5 parts of iron magnesium oxide powder, 1-3 parts of Rho alumina and 1-5 parts of fused pure calcium aluminate cement. Based on the total weight part of the above main materials, a weight part of calcium lignin sulphonate is 0.1-0.2, a weight part of nanometer potato powder is 0.01-0.05, a weight part of malic acid is 0.01 and a weight part of C12H14N4O5S2 is 0.1. A blast furnace iron runner prepared from the castable material has the characteristics of good thermal shock resistance, corrosion resistance, large iron influx and long service life.
Branch iron runner castable material
TANG LIANFANG (author)
2016-02-24
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
Miniature type blast furnace branch iron runner castable
| European Patent Office | 2016
| European Patent Office | 2024