Timber wood hot pressing charing intensification method

Abstract

The present invention discloses a hot-pressing carbonization strengthening method of timbers, which includes drying, planing, hot-pressing carbonization, cooling and other steps. The present invention applies a hot press as a timber-carbonizing device, and the timbers under the state of compression are processed by hot-pressing carbonization. The present invention is characterized in that the investment on carbonization devices is less, the carbonization process is simple, the production is safe, the production efficiency is high, the consumption of heat energy is little, and the production cost is low; moreover, the thickness of the carbonized timbers is not limited, the defects of the timbers, such as deformation, cracking, stiker stain, color difference, knot fall-off, etc., do not occur in the process of production, so the quality of products is high; not only is the size stability and noncorrodibility of the carbonized timbers improved, but also the density and mechanical property of the timbers is increased.

Description

technical field [0001] The invention relates to a wood heat treatment method, in particular to a wood hot-press carbonization strengthening method. Background technique [0002] Since wood is prone to warping and deformation during use, and is perishable and moldy, wood products often require a series of treatments for the raw wood used in the production. Wood carbonization treatment technology has the characteristics of good dimensional stability, excellent corrosion resistance and weather resistance, does not contain any chemical agents, does not pollute the environment, and has outstanding environmental protection. Landscape and interior decoration and other industries are widely used. [0003] At present, most of the wood carbonization methods used in China are tank type and kiln type. In order to prevent wood from burning during high-temperature carbonization, tank-type and kiln-type wood carbonization need to be carried out under anaerobic conditions, such as using n...

AI Technical Summary

Problems solved by technology

The process equipment investment is large, the production cycle is long (generally takes 2 days), the carbonization process is complicated, the production cost is high, the heat energy consumption is large, and the danger is high, and a large amount of volatiles generated during the wood carbonization process will be mixed in the steam and discharged into the atmosphere cause air pollution

Also not easy to carbonize wood veneer

Moreover, the defects of wood in the carbonization process are also more serious, such as knots falling off, deformation, cracking, discoloration of spacers, color difference, etc.

In addition, after the wood is carbonized by these methods, the density will decrease, and some mechanical properties will also decrease. For example, the bending strength, impact toughness and nail holding force of the wood will decrease significantly, which will affect the performance of the wood.