| 摘要 |
<p>PURPOSE:To treat dust without eluting a harmful substance. CONSTITUTION:Wastes of a used car or an electric product is crushed by shredders 31, 31 and an iron component 32 is removed from the crushed wastes by a magnetic force sorter 10 and, next, a nonferous metal component is removed from the crushed waste by a nonferrous metal sorter 11 utilizing a moving magnetic field or a gravity sorter. The dust thus obtained 34 and collected dust 34a are treated by a rod mill 35 or a ball mill to flatten a metal component and, after the flattened metal component is removed by a screen 36, the residue 37 is compressed under heating to be solidified.</p> |
