With the continuous development of science, people have got rid of the traditional method of detecting the dryness of wood and replaced it with advanced monitoring equipment and instruments, which are not only accurate in measurement, but also more convenient and reliable in use. However, many times when there is no equipment, some simple methods are still needed to judge the dryness of the wood. The following is a brief introduction to several traditional methods, which can be easily used in life.

Precautions for stacking and loading into kilns: 1. Different tree species or the same tree species with different moisture content and thickness should be avoided from drying in the same kiln as much as possible.

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During the drying process of wood, it is necessary to conduct real-time monitoring of the temperature and humidity status of the drying medium in the drying room, changes in the actual moisture content of the wood, steam pressure inside the heater, and the operation of the electric motor, in order to execute the wood drying process conditions reasonably and ensure the quality and cycle of wood drying. The detection system mainly includes dry bulb temperature sensor, balanced moisture content sensor, wood moisture content sensor, as well as dry bulb temperature system display, balanced moisture content system display, and steam pressure gauge display. The most important thing is to ensure the accuracy of the dry bulb temperature and balanced moisture content detection device.

The stress that appears on the wood section under the action of external force is called external stress, and the stress inside the wood without external force is called internal stress. The cracking and deformation of wood without any external force proves that there is indeed internal stress inside the wood. For example, the cracking of wood is caused by the destruction of wood tissue due to the tensile stress inside the wood exceeding the tensile strength limit of wood.

The wood drying kiln uses hot air to dry wood at high speed and efficiently, making it very suitable for large-scale wood processing enterprises to use. Different drying methods and operation maintenance can affect the drying effect of wood,

A wood drying kiln and airflow controlling process is described in which the kiln includes an structure with a charge receiving chamber, and a door accessible opening to allow passage of a charge of lumber for drying. Circulating fans in the structure produce airflow that is directed by baffles in a prescribed path through the charge. At least one row of elongated resilient brush bristles within the structure are positioned therein to yieldably engage the charge of lumber placed within the charge receiving chamber.

Precautions during the operation of steam drying kiln: The steam pressure supplied to the drying kiln is generally controlled within 0.3~0.5MPa, and it is best to stabilize at around 0.4MPa. If the steam pressure is unstable, it will affect the stability of the temperature and humidity of the medium in the drying room, making it difficult to control the temperature and humidity of the drying medium.

Drying wood in large,Kiln drying removes more of the moisture than air-drying, thereby helping to reduce the chances of the wood splintering and warping. In addition, it ensures that there are no insects or mold existing inside of the wood. Kiln drying can be a costly process, and as a result, it is used most commonly to dry wood that will be used in building projects, although it is sometimes used to make firewood.