| 摘要 |
<p>The present invention provides a method of treating board-like material with a gaseous treatment agent and an apparatus for implementing the method. According to the method, a gaseous treatment agent is passed through the board-like material being treated. The board-like material is introduced into at least one treatment zone, where the gaseous treatment agent is contacted with at least one side of the board-like material and is caused to pass through the thickness of the material. The properties of the gaseous treatment agent, including its temperature, moisture content and/or composition, are controlled as needed in order to achieve a desired effect on the board-like material being treated. The apparatus includes a chamber and a support for the board-like material in the chamber. When positioned in the chamber, the board-like material forms at least part of a partition separating the chamber into two regions. The gaseous treatment agent is introduced through nozzles into the first region, where it contacts one side of the board-like material. The other side of the board-like material is subjected to a vacuum created in the second region of the chamber. The pressure differential between the two regions of the chamber causes the gaseous treatment agent to pass through the thickness of the board-like material.</p> |
