The refractories used in the high temperature zone of tunnel kiln should be consistent with the characteristics of kiln temperature and operation, and with the products fired. The refractory clay bricks are used below 1300 C to 1400 C, the silicon bricks at 1400 C to 1500 C, the magnesia-alumina bricks at 1500 C to 1600 C, and the corundum bricks below 1800 C.
Karakteran bata bata alumina sing digunakake ing terowong suhu suhu dhuwur kaya ing ngisor iki:
1. stabilitas termal sing apik;
2. Refractory dhuwur lan mbukak suhu sing lemes;
3. it bisa dipérang dadi standar, bricks khusus sing digawe khusus lan khusus .
The working conditions of tunnel kiln lining are continuous and long-term operation. In order to ensure the normal temperature and pressure system of the kiln, the requirements of the tightness of the masonry for the working lining materials of the tunnel kiln firing zone are as follows:
(1) Rintangan apik kanggo erosi gas .
(2) Wis kekuwatan suhu dhuwur lan tahan kejutan termal sing apik .
(3) stabilitas volume sing apik ing suhu dhuwur . Penjajahan sing dikerjam ingkang ora bakal dipecat saka suhu sing ana ing kiln . ing pemanasan .
