| 摘要 |
<p>The drying process involves supplying the damp wood fibre pneumatically through a drying gas, then separating the fibre from the used drying gas. The amount of the drying gas is regulated depending on the amount of the damp wood fibre and/or the final humidity of the dried wood fibre. The plant used to implement the process includes a supply unit, e.g. a fan (17), with a variable drive (37). The drive may be in the form of a DC motor, or of an AC motor with frequency control. The fan may be connected to a smoke gas duct or to a fresh air duct.</p> |
