DQSS SERIES DOUBLE DECK GRAVITY STONER  
 Mixtures of paddies and carpolites from first screen deck are filtrated in the second screen deck.After several filtrations,carpolites and paddies are separated completely.It can separate carpolites efficiently. With a good design,this equipment just occupies a small area but has a long process line,and its chemical performance and process had improved greatly by using liberating electrical shaking machine as shaker  screen instead of traditional belt roller eccentric bolt equipment.