Why is wood dry?
Fresh wood contains a lot of water, which will evaporate under certain circumstances. The natural evaporation of water can cause defects such as shrinkage, cracking, bending deformation, mildew, etc., which seriously affect the quality of wood products. Therefore, wood must be subjected to forced (controlled) drying before being made into various types of wood products. Proper drying can overcome the above-mentioned wood defects, improve the mechanical strength of the wood, and improve the processing properties of the wood. It is an important technical measure for rational use of wood to increase the value of wood, and is also an indispensable primary process for the production of wood products.
Wood drying equipment = oven?
To achieve forced drying of wood, wood drying equipment must have three basic functions: heating, humidity conditioning and ventilation. The heating function is self-evident; humidity control (spray steam or atomized water) is used to ensure the high humidity environment required for certain stages of drying, to prevent cracking, deformation, etc. of the wood; ventilation equipment must ensure that the hot and humid air passes through the pile evenly. The various parts of the wood make the moisture content of the wood after drying uniform. Simple wood "baking ovens" are generally heated directly or indirectly by hot furnace gas. It is difficult to organize a reasonable air circulation, and the humidity is difficult to adjust or cannot be adjusted. It is very difficult to obtain a good drying effect with such a simple device.
Which equipment and process are more important?
Good equipment performance is the basis for wood drying and is a prerequisite for performing the drying process. The process is the key to wood drying. The drying process of wood often lasts for a few days or even dozens of days. When to heat it, and when to adjust the humidity is very particular. The right process allows the wood to be dried at the fastest speed while ensuring the highest quality and energy consumption. Improper processes will cause many woods to be graded or even scrapped due to drying defects, uneven moisture content. Equipment and processes are as inseparable as the hardware and software of a computer. The importance of measuring the moisture content of wood The moisture content of wood is one of the most important parameters for wood drying. The scientific drying process is formulated around the moisture content of wood. When the moisture content of wood is high, it is necessary to adopt lower temperature and higher humidity; the moisture content of wood is about 30% is the key period, and the drying must be carried out gently; when the moisture content of wood of different piles is large, it must be balanced. deal with……. In the case of a lack of understanding of the moisture content of the wood, drying can only be carried out empirically. Due to the wide variety of woods and the complexity of the wood, drying wood by experience is sometimes unreliable. Wood drying equipment with excellent performance should have the basic function of measuring the moisture content of wood.
Is automatic control necessary?
Wood drying is a long process. During the whole process, the drying equipment must constantly adjust the environmental parameters in the drying kiln according to the change of the moisture content of the wood to ensure that the wood is well dried. Manual control of this process not only requires the operator to have more knowledge of the wood drying process, but also requires the operator to have a strong sense of responsibility and a good mental state for a long time. Inexperience or lack of concentration will lead to great The loss of wood drying. The automated control system is like an experienced and energetic watchman who loyally performs every task of the drying process until the end of drying. For manufacturers with little experience, especially for dry quality requirements, it is especially important to configure an automatic control system.
Fresh wood contains a lot of water, which will evaporate under certain circumstances. The natural evaporation of water can cause defects such as shrinkage, cracking, bending deformation, mildew, etc., which seriously affect the quality of wood products. Therefore, wood must be subjected to forced (controlled) drying before being made into various types of wood products. Proper drying can overcome the above-mentioned wood defects, improve the mechanical strength of the wood, and improve the processing properties of the wood. It is an important technical measure for rational use of wood to increase the value of wood, and is also an indispensable primary process for the production of wood products.
Wood drying equipment = oven?
To achieve forced drying of wood, wood drying equipment must have three basic functions: heating, humidity conditioning and ventilation. The heating function is self-evident; humidity control (spray steam or atomized water) is used to ensure the high humidity environment required for certain stages of drying, to prevent cracking, deformation, etc. of the wood; ventilation equipment must ensure that the hot and humid air passes through the pile evenly. The various parts of the wood make the moisture content of the wood after drying uniform. Simple wood "baking ovens" are generally heated directly or indirectly by hot furnace gas. It is difficult to organize a reasonable air circulation, and the humidity is difficult to adjust or cannot be adjusted. It is very difficult to obtain a good drying effect with such a simple device.
Which equipment and process are more important?
Good equipment performance is the basis for wood drying and is a prerequisite for performing the drying process. The process is the key to wood drying. The drying process of wood often lasts for a few days or even dozens of days. When to heat it, and when to adjust the humidity is very particular. The right process allows the wood to be dried at the fastest speed while ensuring the highest quality and energy consumption. Improper processes will cause many woods to be graded or even scrapped due to drying defects, uneven moisture content. Equipment and processes are as inseparable as the hardware and software of a computer. The importance of measuring the moisture content of wood The moisture content of wood is one of the most important parameters for wood drying. The scientific drying process is formulated around the moisture content of wood. When the moisture content of wood is high, it is necessary to adopt lower temperature and higher humidity; the moisture content of wood is about 30% is the key period, and the drying must be carried out gently; when the moisture content of wood of different piles is large, it must be balanced. deal with……. In the case of a lack of understanding of the moisture content of the wood, drying can only be carried out empirically. Due to the wide variety of woods and the complexity of the wood, drying wood by experience is sometimes unreliable. Wood drying equipment with excellent performance should have the basic function of measuring the moisture content of wood.
Is automatic control necessary?
Wood drying is a long process. During the whole process, the drying equipment must constantly adjust the environmental parameters in the drying kiln according to the change of the moisture content of the wood to ensure that the wood is well dried. Manual control of this process not only requires the operator to have more knowledge of the wood drying process, but also requires the operator to have a strong sense of responsibility and a good mental state for a long time. Inexperience or lack of concentration will lead to great The loss of wood drying. The automated control system is like an experienced and energetic watchman who loyally performs every task of the drying process until the end of drying. For manufacturers with little experience, especially for dry quality requirements, it is especially important to configure an automatic control system.
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