| 摘要 |
<p>PURPOSE: To provide a preliminary screening device for the resource refuse for separating securely films and sheets contained in the resource refuse out of a broken bag, screening and removing the resource refuse and leftovers clogging meshes of a net easily accompaning the resource refuse of low classifying accuracy and screening glass bottles and metal cans with a high purity. CONSTITUTION: A plurality of grizzly bars 31 as rough screens connected together in an inclined trough 11 with the intervals of steps 32 are provided, and the comb teeth 36 rotating in the range from the position where the ends of bars are set close to respective steps 32 to the position where the ends are on the upper positions at the rear are provided, and rough refuse is screened and separated from the films and sheets. Elastic nets 41 repeating tension and looseness at a high speed as fine screens are provided below the grizzly bars 31 to separate and screen completely the leftovers from the metal cans.</p> |
