| STUDIES ON THE DEVELOPMENT OF ZIRCON
REFRACTORIES FROM TRAVANCORE BEACH SAND* |
T.V. PRASAD, M. C. KUNDRA AND H. V. BHASKAR RAo**
Pages : 121-131
DOI : 10.1080/0371750X.1960.10855400 |
| Abstract |
| Studies on the effect of minor additions of
sodium carbonate, titania, magnesium oxide,
alumina, lime and Travancore china clay on
the sintering characteristics of zircon sand,
packing densities of mixtures consisting of zircon
grog, sand and ball mill fines and properties
of refractory bodies compounded from mixtures
with high paeking density values have been
carried out. Binding characteristics of various
temporary binders have been studied. Results of
semipilot plant production of standard size bricks
from these compositions are given.
These studies indicate that zircon refractories
comparable to imp~rted ones can be manufactured
from the zircon sand of Travancore beach. They
showed excellent resistance to the attack of
molten aluminium alloy, electric furnace slag
and basic open hearth slag as well as severe
thermal shocks. Some of their important uses
are as linings for aluminium remelting furnaces
as well as in the glass tank furnaces. |
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