Specification: f3.5× 52m. Production capacity: 1700t/ d ( with pre-heating decomposing furnace production) . Obliquity of silo: 4% , Speed of sillo: 0.39-3.91r/ min. Assistant driving speed: 0.127r/ min. Support saddle numbers 3 level. Closed type: kiln head steel strap is enclosed. Kiln end cylinder presses head face to enclose. Kiln head cooling method: wind cool. Driving form: single drive. Catch wheel type: hydraulic pressure catch wheel ( catch wheel pump: model YY-I )