Q69 steel plate and profiled bar shot blast machine pretreatment line is composed of warm-up, impeller blasting treatment, spray-paint drying procedure, fit for removing rust and spray-paint on surface of steel plate, profiled bar and structural pieces. This series belong to roll table abrator, fit for removing stress and rust on surface of large scale I-shaped steel and steel structure for architecture and bridge industry. Technical Parameter of Q69 Passing Type Roll Table Abrator: TypeQ698