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Ailanthus degreasing method

A technology of toon wood and concentration, which is applied in the direction of wood treatment, impregnation of wood, wood impregnation, etc., to speed up the degreasing speed, reduce the impact, and ensure the effect of complete degreasing

Inactive Publication Date: 2016-05-04
ANHUI HUIRUN WOOD IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many toon wood resins, how to remove the toon wood resin under the condition of environmental protection and pollution-free, reasonable and convenient without affecting the quality of toon wood needs to be solved urgently

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for degreasing Toon wood, comprising the following steps:

[0022] (1) Anti-discoloration pretreatment: Clean up impurities on the surface of the toon wood, place it in a dry and ventilated place, spray 0.8% sodium bicarbonate solution three times, and the spraying interval is 4 days;

[0023] (2) The first cooking: Put the toon wood in a cooking pot filled with 6% sodium carbonate solution or 6% caustic soda solution for cooking, the temperature is controlled at 50°C, and the time is controlled at 4 hours ;

[0024] (3) The second cooking: the toon wood after the above steps is put into a cooking pot filled with a 4% sodium carbonate solution or a 4% caustic soda solution for cooking. The temperature is controlled at 50°C and the time is controlled. in 4 hours;

[0025] (4) Rinsing: Rinse the boiled toon wood three times with clean water, the temperature is controlled at 40°C, and the rinsing interval is 0.2 hours;

[0026] (5) Drying: Dry the toon wood wit...

Embodiment 2

[0028] A method for degreasing Toon wood, comprising the following steps:

[0029] (1) Anti-discoloration pretreatment: Clean up impurities on the surface of the toon wood, place it in a dry and ventilated place, spray 0.5% sodium bicarbonate solution three times, and the spraying interval is 2 days;

[0030] (2) The first cooking: Put the toon wood in a cooking pot filled with 4% sodium carbonate solution or 4% caustic soda solution for cooking, the temperature is controlled at 30°C, and the time is controlled at 2 hours ;

[0031] (3) The second cooking: Put the toon wood after the above steps into a cooking pot filled with 2% sodium carbonate solution or 2% caustic soda solution for cooking, the temperature is controlled at 30 °C, and the time is controlled. in 2 hours;

[0032] (4) Rinsing: Rinse the cooked toon wood twice with water, the temperature is controlled at 20°C, and the rinsing interval is 1 hour;

[0033] (5) Drying: Dry the toon wood with a dryer, and apply...

Embodiment 3

[0035] A method for degreasing Toon wood, comprising the following steps:

[0036] (1) Anti-discoloration pretreatment: Clean up impurities on the surface of the toon wood, place it in a dry and ventilated place, spray 0.7% sodium bicarbonate solution three times, and the spraying interval is 3 days;

[0037] (2) The first cooking: Put the toon wood in a cooking pot filled with 5% sodium carbonate solution or 5% caustic soda solution for cooking, the temperature is controlled at 40°C, and the time is controlled at 3 hours ;

[0038] (3) The second cooking: the toon wood after the above steps is put into a cooking pot filled with a 3% sodium carbonate solution or a 3% caustic soda solution for cooking, the temperature is controlled at 40°C, and the time is controlled. in 2-4 hours;

[0039] (4) Rinsing: Rinse the cooked toon wood twice with clean water, the temperature is controlled at 30°C, and the rinsing interval is 0.4 hours;

[0040] (5) Drying: Dry the toon wood with a...

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PUM

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Abstract

The invention discloses an ailanthus degreasing method. The method comprises the following steps that firstly, color-change-prevention pretreatment is carried out, wherein a sodium bicarbonate solution with the concentration ranging from 0.5% to 0.8% is sprayed three times, and the spraying interval is two days to four days; secondly, first-time digesting is carried out, wherein ailanthuses are put into a digester containing alkali liquor with the concentration ranging from 4% to 6% to be digested, the temperature is controlled to range from 30 DEG C to 50 DEG C, and the time is controlled to range from 2 hours to 4 hours; thirdly, the ailanthuses which are subject to treatment in the first step and the second step are put into a digester containing alkali liquor with the concentration ranging from 2% to 4% to be digested, the temperature is controlled to range from 30 DEG C to 50 DEG C, and the time is controlled to range from 2 hours to 4 hours; fourthly, rinsing is carried out, wherein the digested ailanthuses are rinsed with clean water two times to three times, the temperature is controlled to range from 20 DEG C to 40 DEG C, and the rinsing interval is 0.2 hour to 1 hour; and fifthly, drying is carried out, wherein a drying machine is used for drying the ailanthuses, and after the ailanthuses are cooled, the ailanthuses are painted with varnish. The method is low in cost, good in degreasing effect and free of affecting the color of the ailanthuses.

Description

technical field [0001] The invention belongs to the invention and relates to a wood processing method, in particular to a method for degreasing Chinese toon wood. Background technique [0002] In recent years, with the continuous improvement of the economic level and the improvement of people's living standards, people's requirements for furniture range from simple practicability, wider design to technology, health, environmental protection and other requirements, and the base material of furniture is the most basic Factors, various manufactured products based on wood-based panels have been gradually replaced by natural wood products due to their shortcomings such as environmental protection, economy, and defects of non-natural products. [0003] Natural wood products are more and more favored by consumers. However, if the oil, moisture and impurities of natural wood are not removed, they will slowly leach out of the surface of the material during the use of the finished pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/02B27K3/20B27K5/00B27K5/04
CPCB27K3/0228B27K3/20B27K5/0085B27K5/04B27K2240/15
Inventor 王德振
Owner ANHUI HUIRUN WOOD IND CO LTD
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