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Wood preservative treatment method

A treatment method and wood preservation technology, applied in wood treatment, electric wood treatment, wood treatment details, etc., can solve problems such as affecting the quality of wood use, prone to corruption, environmental pollution, etc., and achieve enhanced firmness and loss rate. Low, good permeability effect

Inactive Publication Date: 2017-10-24
FUNAN YONGXING ARTS & CRAFTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] After wood is attacked by insects and fungi, it is prone to decay and deterioration, which greatly affects the quality of wood use. Studies have shown that after wood preservative treatment, its service life can be extended by 5-6 times. From the environmental toxicity of wood preservatives Considering the use effect and durability, quaternary ammonium copper preservative is a kind of wood preservative widely used at present. In addition to solving the problem of permeability during the use of wood preservatives, how to prevent loss after use is also extremely critical , the loss of preservatives not only directly weakens the anti-corrosion effect, but also causes pollution to the surrounding environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: a kind of wood preservative treatment method, processing steps are as follows:

[0019] (1) Select the appropriate size of wood, send it into the puffing chamber, set the temperature in the puffing chamber to 42°C, increase the pressure to 8MPa, keep it for 2 minutes, reduce the pressure in the puffing chamber to a vacuum state, keep it for 5 minutes, break the vacuum, and take it out expanded wood;

[0020] (2) Dilute the quaternary ammonium copper to 1% of the mass fraction of the active ingredient, and completely immerse the puffed wood in the diluted quaternary ammonium copper solution. The treatment is combined with a high-voltage pulse electric field. The electric field strength is 90kV / cm, and the pulse width is 3ms, the action intensity is 5000 pulses, remove and drain until no water drips;

[0021] (3) Carry out gas drying on the treated wood, the gas temperature is 120°C, and the argon content in the gas is 26%.

Embodiment 2

[0022] Embodiment 2: a kind of wood preservative treatment method, processing steps are as follows:

[0023] (1) Select the appropriate size of wood, send it into the puffing chamber, set the temperature in the puffing chamber to 46°C, increase the pressure to 8.5MPa, keep it for 3 minutes, then reduce the pressure in the puffing chamber to a vacuum state, keep it for 6 minutes, break the vacuum, Take out the expanded wood;

[0024] (2) Dilute the quaternary ammonium copper to 3% of the mass fraction of the active ingredient, and completely immerse the puffed wood in the diluted quaternary ammonium copper solution. The treatment is combined with high-voltage pulse electric field treatment. The electric field strength is 95kV / cm, and the pulse width is 4ms, the action intensity is 6000 pulses, remove and drain until no water drips;

[0025] (3) Carry out gas drying on the treated wood, the gas temperature is 125°C, and the argon content in the gas is 26%.

Embodiment 3

[0026] Embodiment 3: a kind of wood preservative treatment method, processing steps are as follows:

[0027] (1) Select the appropriate size of wood, send it into the puffing chamber, set the temperature in the puffing chamber to 45°C, increase the pressure to 8.2MPa, keep it for 2.5 minutes, then reduce the pressure in the puffing chamber to a vacuum state, keep it for 5.6 minutes, break the vacuum, Take out the expanded wood;

[0028] (2) Dilute the quaternary ammonium copper to 2% of the mass fraction of the active ingredient, and completely immerse the puffed wood in the diluted quaternary ammonium copper solution. The treatment is combined with a high-voltage pulse electric field. The electric field strength is 92kV / cm, and the pulse width is 3.5ms, the action intensity is 5500 pulses, remove and drain until no water drips;

[0029] (3) Carry out gas drying on the treated wood, the gas temperature is 122°C, and the argon content in the gas is 26%.

[0030] The present i...

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PUM

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Abstract

The invention relates to the technical field of wood processing, in particular to a wood antiseptic treatment method, in which wood of an appropriate size is selected, sent into an expansion chamber, expanded, immersed in a diluted quaternary ammonium copper solution, and combined with a high-voltage pulse electric field during treatment treatment, and finally, drying the processed wood. The wood antiseptic treatment process of the present invention is simple, low energy consumption, good permeability of the preservative, effective combination with wood, and low loss rate in the later antiseptic process.

Description

technical field [0001] The invention relates to the technical field of wood processing, in particular to a wood antiseptic treatment method. Background technique [0002] After wood is attacked by insects and fungi, it is prone to decay and deterioration, which greatly affects the quality of wood use. Studies have shown that after wood preservative treatment, its service life can be extended by 5-6 times. From the environmental toxicity of wood preservatives Considering the use effect and durability, quaternary ammonium copper preservative is a kind of wood preservative widely used at present. In addition to solving the problem of permeability during the use of wood preservatives, how to prevent loss after use is also extremely critical , The loss of preservatives not only directly weakens the anti-corrosion effect, but also causes pollution to the surrounding environment. Contents of the invention [0003] The object of the present invention is to provide a kind of wood ...

Claims

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Application Information

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IPC IPC(8): B27K3/02B27K3/34B27K5/00B27K5/04
CPCB27K3/0207B27K3/34B27K5/0015B27K5/04B27K2240/20
Inventor 李永兴
Owner FUNAN YONGXING ARTS & CRAFTS
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