| 摘要 |
PCT No. PCT/FI97/00092 Sec. 371 Date Aug. 14, 1998 Sec. 102(e) Date Aug. 14, 1998 PCT Filed Feb. 14, 1997 PCT Pub. No. WO97/30214 PCT Pub. Date Aug. 21, 1997The invention relates to a dryer apparatus for fiber webs (10), such as webs of natural fiber, synthetic fiber and the like. The apparatus comprises a rotating dryer cylinder (1), the interior of which is provided with elements (8) for injecting hot heat-transfer fluid against the inner cylinder surface and for discharging if from the cylinder interior. The invention relates also to a method for heating a cylinder by injecting hot heat-transfer fluid against the inner surface of the heating cylinder.
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