Heat treatment method for wood

Abstract

The invention discloses a heat treatment method for wood. Firstly, clay paste is prepared; then the surface of the wood is smeared with the clay paste; then, microwave treatment is conducted; then, treatment is conducted in a high-temperature heat treatment tank; a clay paste coating is removed; treatment is conducted in the high-temperature heat treatment tank; then, the wood is soaked in anhydrous ethanol for a period of time and treated once again in the high-temperature treatment tank; and finally steam-injection humidity regulation is conducted. Compared with the prior art, the heat treatment method for the wood is easy to operate and easy to achieve, the occurrence rate of the defects such as cracking and deforming of a traditional heat treatment for the wood is decreased, and the mechanical strength, waterproof performance and flame retardant property of the wood can be effectively improved.

Description

technical field [0001] The invention relates to the field of wood treatment, in particular to a wood heat treatment method. Background technique [0002] Wood raw materials are prone to rot, mildew, insect damage, and deformation due to moisture content problems. The carbonization of wood can avoid the above problems to a certain extent. For this reason, some will directly use an open flame to carbonize the surface of wood, but the carbonization uniformity is poor; some use a carbonization furnace to carbonize wood, but because the degree of carbonization is difficult to control, it is easy to cause wood to lose its mechanical properties due to excessive carbonization. Strength, can not be used as processing raw materials. The basic principle of wood heat treatment is to use temperature conditions to treat wood for a certain period of time. The wood cell wall material undergoes pyrolysis and molecular structure reorganization, and the wood components undergo permanent chem...

AI Technical Summary

Problems solved by technology

For this reason, some will directly use an open flame to carbonize the surface of wood, but the carbonization uniformity is poor; some use a carbonization furnace to carbonize wood, but because the degree of carbonization is difficult to control, it is easy to cause the wood to lose its mechanical properties due to excessive carbonization. Strength, cannot be used as raw material for processing

The basic principle of wood heat treatment is to use temperature conditions to treat wood for a certain period of time. The wood cell wall material undergoes pyrolysis and molecular structure reorganization, and the wood components undergo permanent chemical changes, so that the hygroscopicity of the treated wood is reduced, and the dimensional stability and weather resistance are improved. , so it is suitable for outdoor floors, outdoor decorative wall panels, garden furniture, wooden fences, etc. On the other hand, wood heat treatment will lead to a reduction in the mechanical strength and weight of the wood, which has become its main disadvantage