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Monday, October 22, 2012

Method of drying timber

For wood drying method used a variety of ways. You have to understand the situation on the wood. Despite the relatively small volume of water but also the surface is small and requires a longer evaporation.
In addition, you need a longer time during the process of stacking and unloading the drying chamber.
The drying process can be done with both traditional and artificial drying

Drying is traditionally done by the sun. For the log to meet the requirements of the drying process to prevent rapid deterioration is to make it so it does not have to be high when there is rain flooded. Sources pest should also be eliminated. The ground floor of the log to be loaded quickly angled to the water flow at the base of the floor.

Stacking can be done vertically and is suitable for wood that is not easy to crack.
Stacking horizontal or parallel to produce the amount of wood more. The disadvantage is the drying will be slower because of the surface covered by other wood.
Stacking also do cross so that the touch area to be small and slanted wooden layout and there will be no water deposits on wood so the wood dry faster.
Another Stacking is a triangle. Wider area required, drying will be faster than the contact area of ​​the wood.

Drying in the sun has a weakness that is drying speed, capacity and length of drying and highly dependent on the presence of the sun's heat.

For faster drying can be done in a conventional manner. How this is done by using steam that is pushed into the room and then circulated by the ventilation fan in it. Steam heat will dry the wood and moist air out through vents in them. Drying this way is quite good because it is done in stages and stable. The downside of this system is in need of considerable power because of the flow of steam into the room should not be stopped.

The system is faster than the conventional way is to use a vacuum kiln. Drying takes place very quickly and this way is superior to other systems and the quality of dried wood. Another advantage is that this system does not cause air pollution as in conventional systems.
The downside of this system is the size of the timber should not be limited because of capacity vacuum kiln. So capacity compared to conventional kiln quite small. Operational costs are also larger than the conventional way and also greater investment.

Another way is to recycle the dehumidification kiln to heat the room air and circled back to the sidelines of the wood pile and then get out of the vents. Dehumidification kiln flowed back through the cooling coil so that the water vapor decomposes back.
Water is decomposed and removed through a special exhaust hot air back into the room air. If the air is too hot there is a special fan to circulate the hot air out.
The cost involved is also slightly larger than the conventional way.
Operators who have the expertise in the drying process is also very important. With kiln drying can also cause damage or shrinkage in the wood if not careful in execution.

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