Vacuum Furniture Wood Drying Unit

Wood drying equipment

Black Wood dryer

General Introduction:

    Wood vacuum drying is the method of stacking wood in a closed container and drying under conditions of less than atmospheric pressure. Under vacuum conditions, the boiling point of water is reduced and the evaporation rate is accelerated, so that the drying speed of the wood can be increased at a lower temperature. Wood in the drying process, on the one hand the surface of the water to the surrounding air evaporation; the other hand, the internal water constantly moving to the surface. So to speed up the drying rate, we must try to speed up the movement of wood within the water speed. In addition, under vacuum conditions, the boiling point of water is reduced, causing the evaporation of wood within the water speed, wood surface moisture content gradient increases, to prevent the surface of wood surface evaporation of wood surface cracking. Wood surface moisture evaporation at the same time, to absorb a lot of heat of vaporization, causing the wood surface cooling. These factors have accelerated the movement of moisture inside the wood to the surface.

   Under vacuum conditions, the air in the drying unit is scarce and can not be used in the usual heating method. In order to solve the problem of heating wood in vacuum drying, vacuum drying is carried out by continuous heating. Vacuum drying eliminates the surface hardening cracking that is easy to occur in the case of atmospheric drying. The pressure difference between the inside and the surface of the vacuum dry wood is large, and the moisture flows to the surface quickly under the pressure gradient, while increasing the drying rate and shortening the drying rate Drying time, reduce equipment operating costs. In addition, under low pressure conditions, the drying medium of oxygen is scarce, due to heat and oxidation caused by the material discoloration, basically can maintain the natural color of the material.

Main Parameter:

Features:

 1 Using high-frequency heating to solve the rapid heating of wood, and fast drying.

 2 Wood inside and outside at the same time heating, uniform heating, good quality, can keep the natural color of wood.

 3 Using vacuum absorption reduces the temperature of the wood drying process of low temperature vaporization, not easy to crack improvedehydration the speed of wood.

4 Efficient and environmental pollution of the environment.

5 High-frequency waves can kill insects and bacteria in the hidden inside the plate to further ensure the quality of wood drying in shorten the drying cycle at the same time. Especially suitable for thick, hard wood, large section (with the conventional drying method needs long time) precious mahogany wood such as rosewood, wings of wood, such as pear dry and high-grade wood floor drying. Also used a small batch, urgent wood after the two damp and dry.

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