ASPIRATION SHELTER FOR SITE WHERE LOOSE MATERIAL IS FED TO BELT CONVEYOR Russian patent published in 1997 - IPC

FIELD: dedusting in handling loose materials. SUBSTANCE: shelter has housing installed above conveyor belt and having side, front and rear walls and cover, charging trough built in the cover, outside box which embraces the housing hermetically with clearance, fan, aspiration funnel connected by its one end with suction pipe union of fan, and dust settler. Upper wall of box is perforated, dust settler is made as bag filter and fan is mounted above its body on spring-loaded base. Filter bags are hermetically fastened, each by its own lower end, on upper wall above corresponding opening in it, and by their upper ends they are suspended from common grate connected with fan base by tie-rod. Aspiration funnel by its second end is connected with body through flexible insert, and shelter cover is double-sloped. EFFECT: high efficiency. 3 dwg