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A kind of improvement method of solid wood board

A solid wood board and board technology, applied in wood treatment, wood heating, wood processing equipment, etc., can solve the problems of inaccurate control of wood moisture content, surface cracks and end cracks of the board, so as to avoid surface discoloration and ensure the quality of the board , processing uniform effect

Active Publication Date: 2017-10-10
广西贺州恒达板业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The processing technology of traditional solid wood boards, if fresh wood is used for processing, the boards are prone to surface cracks, internal cracks, end cracks and bending deformation defects, so the traditional processing technology needs to place the wood for more than several months, making the wood lose its shape. After the water content reaches a certain level, it will be formed into boards; however, due to the surface cracks, internal cracks, and end cracks of the wood during placement, and the moisture content of the wood cannot be accurately controlled, some boards will also have the above-mentioned defects.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for improving a solid wood board, comprising the following steps:

[0022] (1) Blank production: select fresh wood, and form it into a plate blank; place the plate blank in a metal frame, and compact it around;

[0023] (2) Primary high-pressure curing: place the metal frame with the plate blank in the steam chamber, heat it with closed steam, the pressure is 8 atmospheres, the indoor temperature is 170°C, and the processing time is 1h;

[0024] (3) Primary drying: move the metal frame with the plate blank into the drying room, control the temperature of the drying room at 80°C, the pressure is 6 atmospheres, and the treatment time is 2 hours;

[0025] (4) Carbonization treatment: put the metal frame with the plate blank into the carbonization kiln, pressurize the top according to 1-2t / m2, and close the door and the inlet and exhaust ports of the carbonization kiln; then raise the temperature to 100°C, keep it for 4 hours, and keep the indoor humidity at 30%; ...

Embodiment 2

[0028] A method for improving a solid wood board, comprising the following steps:

[0029] (1) Blank production: select fresh wood, and form it into a plate blank; place the plate blank in a metal frame, and compact it around;

[0030] (2) Primary high-pressure curing: place the metal frame with the plate blank in the steam chamber, heat it with closed steam, the pressure is 6 atmospheres, the indoor temperature is 150°C, and the processing time is 4 hours;

[0031] (3) Primary drying: move the metal frame with the plate blank into the drying room, control the temperature of the drying room at 60°C, the pressure is 5 atmospheres, and the treatment time is 4 hours;

[0032] (4) Carbonization treatment: put the metal frame with the plate blank into the carbonization kiln, pressurize the top according to 1-2t / m2, and close the door and the inlet and exhaust ports of the carbonization kiln; then raise the temperature to 80°C, keep it for 4 hours, and keep the indoor humidity at 2...

Embodiment 3

[0035] A method for improving a solid wood board, comprising the following steps:

[0036] (1) Blank production: select fresh wood, and form it into a plate blank; place the plate blank in a metal frame, and compact it around;

[0037] (2) High-pressure curing: place the metal frame with the plate blank in the steam chamber, heat it with closed steam, the pressure is 7 atmospheres, the indoor temperature is 160°C, and the processing time is 3 hours;

[0038] (3) Drying: move the metal frame with the plate blank into the drying room, control the temperature of the drying room at 70°C, the pressure is 5.5 atmospheres, and the treatment time is 3 hours;

[0039] (4) Carbonization treatment: put the metal frame with the plate blank into the carbonization kiln, pressurize the top according to 1-2t / m2, and close the door and the inlet and exhaust ports of the carbonization kiln; then raise the temperature to 900°C, keep it for 5 hours, and keep the indoor humidity at 25%; then rais...

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Abstract

The invention provides an improvement method of a solid wood board and belongs to the technical field of wood processing. The improvement method of the solid wood board comprises the following steps: manufacturing a blank, curing under high temperature and high pressure, drying, carbonizing and polishing the wood board. Through the improvement method of the solid wood board, the wood board is firstly cured under high temperature and high pressure and is subsequently dried and carbonized, so that the defects of surface cracks, internal cracks, end cracks and bending deformation of the board blank can be effectively avoided; meanwhile, due to the low carbonizing temperature, the phenomenon of surface discoloration can be effectively avoided; the board blank is placed in a metal frame and is compacted; the pressurization treatment is carried out in the carbonizing process; the phenomena of surface cracks, internal cracks and end cracks can be effectively avoided; the board blank is further cured under high temperature and high pressure and is subjected to two-stage treatment, so that the board blank is further treated more uniformly, and the quality of the board is further ensured.

Description

technical field [0001] The invention belongs to the technical field of wood processing, and in particular relates to an improvement method of a solid wood board. Background technique [0002] Solid wood boards are wood boards made of complete wood (logs). Solid wood boards are durable and have natural textures. It is a high-quality board for making high-end furniture and decorating houses. Traditional solid wood board processing technology, if fresh wood is used for processing, the board is prone to surface cracks, internal cracks, end cracks and bending deformation defects, so the traditional processing technology needs to place the wood for more than a few months, making the wood lose its shape. After the water content reaches a certain level, it will be formed into boards; however, due to the surface cracks, internal cracks, and end cracks of the wood during placement, and the moisture content of the wood cannot be accurately controlled, some boards will also have the ab...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27K5/00B27M1/06
CPCB27K5/001B27K5/007B27M1/06
Inventor 涂登云黄俊刘献奇蔡国雄陶晟
Owner 广西贺州恒达板业股份有限公司
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