Device for the preparation of coated bituminous products for road surfacing

摘要: The device includes in a rotary cylindrical drum (1) zone for transfer and heating (11) where the inner surface of is fitted with sections blades (17) wound spiral across (1). These arranged projecting respect to (1), by their edges remote from support baffleplates (18) longitudinal direction. likewise exhibits an isolation drying (12) lifter devices (20-21) having high retention capacity lifting materials (25) up upper portion formation falling back these continuous screen isolating flame (5) burner (4) next