HF vacuum drying equipment is a relatively small and fast timber drying machine, it is used to dry hard wood and thicker timber ,which solves the distortion and crack problems of hardwood and larger section timber ,it is very suitable for the solid wood furniture factory 、solid wood door factory、solid wood cabinet door factory、and timber process factory to dry the timber in last stage or secondary drying and some red wood 、 hard wood drying, because of its advantage of small batch production and short drying cycle .
I、Principle of HF vacuum dry
It adopts HF electric field as heating source, uniformly radiate to timber, and come through timber directly heat the moisture, which fast remove the moisture by vacuum water absorption function.
II、HF drying features and advantages:
This equipment includes: Vacuum drying container, HF heating system, vacuum zing system, control operation system, cooling cycle system, moisture testing device, Temperature control device, pressure control device etc. matched timber carriage device, track rack, hydraulic system of top pressing timber, alarming device.
Automatic HF vacuum dryer Features:
High frequency drying equipment, wood timber put in the middle of high-frequency plate ,electric field directly penetrates the timber overall uniform heating, and high frequency only work on moisture, timber itself do not absorb the electric field, so the moisture heats up quickly, classification, due to internal temperature and water vapor pressure, form a pressure gradient inside timber, forcing the moisture discharge to the surface of timber, water vapor into the tank, so the high frequency drying is heated from inside to outside, quick and less prone to cracking and deformation.
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