| 摘要 |
<p>PROBLEM TO BE SOLVED: To efficiently cool sheets.SOLUTION: A cooling device 100 comprises: a conveying belt 120 that conveys sheets; and a cooling unit 130 that cools the sheets through the conveying belt 120. The cooling unit 130 includes a cooling tube unit 132 that forms a flow passage 137 through which cooling water flows, and a pump 141 that supplies the cooling water to the flow passage 137 so that the cooling water flows through the flow passage 137 from the downstream side to the upstream side in a conveyance direction of the sheets.</p> |
