| 摘要 |
<p>PURPOSE:To make it possible to take high-purity metals out of aluminum empty cans 14 and iron empty cans 16 collected while these cans internally include foreign matter, such as left-overs of drinks. CONSTITUTION:The aluminum empty cans 14 and the iron empty cans 16 are crushed by a crushing machine to be exclusively used for the aluminum empty cans and a crushing machine to be exclusively used for the iron empty cans without being pressed as they are. After these empty cans are thereby crushed to aluminum fragments 32, aluminum-contg. large fragments 34 and iron-contg. large fragments 36, these fragments are taken out.</p> |
