£ This equipment fits for heating new sand with cladding sand heating method, its main fuel is coal or dispersed coke. While working, the rotating roller will be heated in the furnace, new sand will be put into the roller via feeding tube and it will be advanced, lifted and stirred to be heated evenly under function of scraper. After reaching demanded temperature, the roller will rotate reversely, and the materials will be fast discharged under function of guiding board.

Special roller type structure of this product (it has won national patent, CN94220134£¬5) has fast heating speed, no pollution on sand and lower repairing times.