Developments in vacuum drying and press drying of
Developments in vacuum drying and press drying of
Developments in vacuum drying and press drying of
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Center for<br />
Forest Products<br />
Pr<strong>of</strong>. Dr. Ressel<br />
Introduction<br />
Fundamentals<br />
Plant Facilities<br />
Innovations<br />
Process<br />
Technology<br />
Plant Examples<br />
Brunner<br />
IWT<br />
Mühlböck<br />
Kronseder<br />
Eberl<br />
Opel<br />
HeatWave<br />
Press Dry<strong>in</strong>g<br />
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Vacuum Dry<strong>in</strong>g Plants - HeatWave<br />
Radio-frequency <strong>vacuum</strong> dry kiln<br />
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9<br />
HeatWave type 5.20<br />
• Capacity 5 m³ (net timber volume)<br />
• RF power output 20 kW (air cooled RF-tube)<br />
5<br />
4<br />
8<br />
7<br />
1 Power amplifier <strong>and</strong><br />
match<strong>in</strong>g network<br />
2 Vacuum pump<br />
3 Vacuum condenser<br />
4 hydraulic com<strong>press</strong>ion<br />
system (total <strong>press</strong>ure<br />
approx. 1,1 MN)<br />
5 RF-electrode<br />
6 Condensate dra<strong>in</strong><br />
7 Control unit<br />
8 Drier chamber<br />
9 Material h<strong>and</strong>l<strong>in</strong>g system
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