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Anti-shrinking wood drying method

A wood drying and wood technology, applied in the direction of wood drying, wood treatment, impregnating wood, etc., can solve the problems of wood strength reduction, internal cracking, scrapping, etc., and achieve the effect of good economic value and reduced shrinkage.

Inactive Publication Date: 2019-01-25
德清县金杰木艺品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Since shrinkage is a relatively serious drying defect that occurs during the drying process of wood, the surface of the shrunken wood becomes uneven, and the cross-section is irregular. Reduce or even scrap

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1 of the present invention is described in further detail below:

[0021] A method for drying anti-shrinkage wood, comprising the following steps:

[0022] ①Slice the wood according to the desired shape;

[0023] ② Place the sliced ​​wood in a freezer at minus 23° to freeze;

[0024] ③ carry out the first drying;

[0025] ④ Anti-mildew and anti-bacterial treatment;

[0026] ⑤ Carry out secondary drying to complete the whole drying process.

[0027] In the step ②, the wood is placed in a cold room at minus 23° for 24 hours to 48 hours, so that the free water in the wood cells undergoes a phase change, and the adsorbed water and extracts in the cell walls and microcapillaries undergo a phase change. Migration and redistribution, the occurrence of the above phenomenon causes the wood cell wall to shrink, and makes the cell more rigid and not easy to deform. Since the density of ice is less than that of water, the wood cell cavity expands, and the grain on th...

Embodiment 2

[0029] Embodiment 2 of the present invention is described in further detail below:

[0030] A method for drying anti-shrinkage wood, comprising the following steps:

[0031] ①Slice the wood according to the desired shape;

[0032] ② Place the sliced ​​wood in a freezer at minus 23° to freeze;

[0033] ③ carry out the first drying;

[0034] ④ Anti-mildew and anti-bacterial treatment;

[0035] ⑤ Carry out secondary drying to complete the whole drying process.

[0036] In the step ②, the wood is placed in a cold room at minus 23° for 24 hours to 48 hours, so that the free water in the wood cells undergoes a phase change, and the adsorbed water and extracts in the cell walls and microcapillaries undergo a phase change. Migration and redistribution, the occurrence of the above phenomenon causes the wood cell wall to shrink, and makes the cell more rigid and not easy to deform. Since the density of ice is less than that of water, the wood cell cavity expands, and the grain on th...

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PUM

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Abstract

The invention relates to a drying method, in particular to a wood drying method. An anti-shrinking wood drying method comprises the following steps that 1, wood is sliced according to the required shape; 2, the sliced wood is put into a cold storage room being -23 degrees to be frozen; 3, first drying is performed; 4, anti-mold and anti-bacterial treatment is performed; 5, secondary drying is performed; the whole set of drying process is completed. The method effectively solves a series problems caused by shrinking in the wood drying process, so that the shrinking degree is reduced by 30 percent or more; good economic values are realized.

Description

technical field [0001] The invention relates to a drying method, in particular to a drying method for wood. Background technique [0002] Since shrinkage is a relatively serious drying defect that occurs during the drying process of wood, the surface of the shrunken wood becomes uneven, and the cross-section is irregular. reduced or even scrapped. Then how to more effectively reduce the shrinkage in the drying process of wood is exactly the problem that the inventor will solve. Contents of the invention [0003] The inventor provides a method for drying anti-shrinkage wood, which effectively reduces the degree of wood shrinkage, and its specific technical scheme is as follows: [0004] A method for drying anti-shrinkage wood, comprising the following steps: [0005] ①Slice the wood according to the desired shape; [0006] ② Place the sliced ​​wood in a freezer at minus 23° to freeze; [0007] ③ carry out the first drying; [0008] ④ Anti-mildew and anti-bacterial tre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K5/00B27K3/02B27K3/52B27K3/00B27K5/04F26B7/00
CPCB27K5/0005B27K3/007B27K3/02B27K3/52B27K5/0055B27K5/04B27K2240/20F26B7/00F26B2210/16
Inventor 金永法
Owner 德清县金杰木艺品有限公司