| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a sand classifier in which sand is washed to remove contamination, the particle diameter of the sand after washed is made uniform and the sand is controlled to have the water content equal to or below a prescribed value and discharged and recycled as a regenerated resource. <P>SOLUTION: The sand classifier comprises a sand separation and washing tank 1 in which a prescribed quantity of sand is stored and washed and a screw conveyer 2 which is provided adjacent to the sand separation washing tank 1 and in which the sand after washed is raked and classified corresponding to the particle diameter and is discharged. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
