Vacuum belt filters with a gasket system disposed between the carrier belt and the vacuum box provided with sevveral partitions

摘要

Sealing device between a conveyor belt (4) and a fixed vacuum box (6) of a belt filter, characterized in that it comprises a single friction band (1), endless, not integral with the conveyor belt driven by it and guided on the vacuum box, said friction band comprising cavities (15) provided with communication holes (8) in correspondence with an upper opening (9) of the vacuum box and said cavities (15 ) having a width greater than the width of the discharge holes (16) formed substantially in the center of the conveyor belt.