TUNNEL KILN FOR PRODUCTION OF HEAT-INSULATING POTTERY Russian patent published in 2002 - IPC

FIELD: production of heat-insulating pottery obtained from charges of tripolis and diatomites. SUBSTANCE: kiln has a roasting channel with the preparation, roasting and cooling zones, rail track built along the channel, buggies periodically moving on the rail track and making up a continuous movable hearth of the kiln. The kiln has buggies with heat-insulating partitions and buggies with heat-insulating partitions and buggies with pottery to be roasted. The buggies with heat-insulating partitions are positioned along the kiln channel with a spacing equal to the length of the roasting zone. The buggies with pottery are positioned in the kiln channel sections restricted by the partitions. EFFECT: enhanced efficiency of charge bulging. 2 cl, 3 dwg