Periclase-ferroalumina spinal brick and its making process
A technology of iron-aluminum spinel and magnesia-aluminum spinel is applied in the field of periclase-iron-aluminum spinel brick and its preparation, which can solve the problems of complex process, low density, high energy consumption, etc. Simple process, high volume density, and energy saving effect
Inactive Publication Date: 2007-11-07
WUHAN UNIV OF SCI & TECH
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Abstract
The present invention belongs to the field of refractory material technology, and is especially peiclase-ferroalumina spinel brick and its making process. The technological scheme is that the peiclase-ferroalumina spinel brick is made with magnesia 40-96 wt%, Al2O3 2-17 wt%, ferroalumina spinel or magnesia-alumina spinel 0-50 wt%, Fe 0.2-10 wt% and Fe2O3 0-10 wt%, and through mixing, adding sulfite pulp waste liquid in 2-8 wt%, mixing, forming, drying and in-site reaction sintering at 1000-2000 deg.c. The peiclase-ferroalumina spinel brick has simple making process, low power consumption, great bulk density and high strength.
Technology Topic
AluminiumSulfite +12
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PUM
Property | Measurement | Unit |
Bulk density | >= 3.15 | g/cm³ |
Bulk density | >= 3.13 | g/cm³ |
Compressive strength | 60.0 ~ 70.0 | mPa |
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