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A method to remove the odor of mahogany

An odor and wood technology, applied in wood processing, wood processing appliances, wood processing details, etc., can solve the problems of difficult product quality control, cumbersome operation steps, complex processing technology, etc., to shorten the processing cycle, simple technology, and processing process. Environmentally friendly effect

Active Publication Date: 2017-03-22
中山市大涌镇生产力促进中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned methods are more complicated for wood treatment process, need to add other substances, the treatment cost is high, the operation steps are cumbersome, the energy consumption is relatively large, the product quality control is also relatively difficult, and the production cost is high.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) Pretreatment: The wood to be treated is red sandalwood hedgehog, which has a pungent sour and spicy smell, and the density of red sandalwood hedgehog is 0.76g / cm 3 , with an initial moisture content of 38%, and a thickness of 12mm to be dried for the red sandalwood hedgehog to be treated so that its moisture content is 25%;

[0019] (2) Saturated steam treatment: place the pretreated red sandalwood hedgehog in a saturated steam medium, control the temperature of saturated steam to 160°C, the pressure to 0.63MPa, and the treatment time to 3 hours;

[0020] (3) Cyclic treatment: After the saturated steam treatment, release the pressure. When the air pressure reaches 0.1Mpa, keep it for 30 minutes; then heat and pressurize until the temperature is 160°C, the pressure is 0.63MPa, and the treatment time for heat preservation and pressure is 3 hours. , the number of cycles is 4 times.

[0021] (4) Tempering treatment: After the cycle treatment, the hedgehog red sandalwoo...

Embodiment 2

[0024] (1) Pretreatment: The wood to be treated is African japonica, which has a pungent sour smell and traditional Chinese medicine smell, and the density of African japonica is 0.88g / cm 3 , with an initial moisture content of 35% and a thickness of 40mm, and the African thuja bean to be treated is dried to make its moisture content 20%;

[0025] (2) Saturated steam treatment: place the pretreated African pigeonpea in a saturated steam medium, control the temperature of the saturated steam to 180°C, the pressure to 1.03MPa, and the treatment time to 2 hours;

[0026] (3) Cycle treatment: After the saturated steam treatment, release the pressure. When the air pressure reaches 0.1Mpa, keep it for 60 minutes; then heat and pressurize until the temperature is 180°C, the pressure is 1.03MPa, and the treatment time for heat preservation and pressure is 3 hours , the number of cycles is 6 times.

[0027] (4) Balance tempering treatment: After the cycle treatment, the African japoni...

Embodiment 3

[0030] (1) Pretreatment: The wood to be treated is iron knife wood, which has a pungent spicy taste and traditional Chinese medicine taste. Its initial moisture content is 35%, and its thickness is 25mm. twenty three%;

[0031] (2) Saturated steam treatment: place the pretreated iron knife wood in a saturated steam medium, control the saturated steam temperature to 140°C, the pressure to 0.37MPa, and the treatment time to 5 hours;

[0032] (3) Cyclic treatment: After the saturated steam treatment, release the pressure. When the air pressure reaches 0.1Mpa, keep it for 50 minutes; then heat and pressurize until the temperature is 140°C, the pressure is .37MPa, and the treatment time for heat preservation and pressure is 5 hours. , the number of cycles is 3 times.

[0033] (4) Balance tempering treatment: After the cycle treatment, the iron knife wood is placed in a balance room with a temperature of 60°C and a relative humidity of 70% for conditioning treatment for 3 days, so ...

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Abstract

Provided is a method for removing the smell of rosewood. According to the method, saturated steam under certain pressure intensity serves as a heat-transfer medium, the pungent smell in the rosewood is removed through steam adsorption, and the technical purpose of removing the pungent smell in the rosewood is achieved. Through the method, the process is simple, the cost is reduced, and the purpose of drying the rosewood can be achieved while the smell is removed. The certain pungent smell in the rosewood can be removed; moreover, the cracking ratio of the rosewood can be reduced significantly, and the dimensional stability of the rosewood is improved.

Description

technical field [0001] The invention belongs to the technical field of wood heat treatment, and in particular relates to a method for removing the smell of mahogany. Background technique [0002] Wood is the main material used in furniture and interior decoration. However, some woods cause people to be unhappy because they release pungent odors during use. The wood itself is odorless, and the reason why there are various odors is due to the volatile oil, tannin, resin, gum, etc. contained in the wood cell cavity and the deposits on the cell wall. The vast majority of wood contains extractives, resulting in a variety of odors. For example, the hedgehog red sandalwood has a spicy and sour smell, and the white flower cliff pea has a sour and traditional Chinese medicine smell. Such smells will not only affect people's sense of smell, but also make the wood lack a sense of grade to a certain extent. In order to improve the satisfaction of wood in the customer group and make p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27K5/00
Inventor 李建堂彭冲涂登云
Owner 中山市大涌镇生产力促进中心
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