Abstract:

Low porosity mullite bricks are prepared by mullite homogenized matericals，andalusite and α-alumina powder as main raw materials，adding with different proportions mullite homogenized matericals.It is found that this brick has the characters of low porosity，high cold crushing strength and good thermal shock resistance.Slag resistance of the low porosity mullite birck is studied by static crucible method compared with common high alumina brick and corundum-mullite brick，it is found that this brick has better slag resistance and apply to transition zone of laterite nickel ore rotary kiln.