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A method for identifying wood quality

A wood and quality technology, applied in the field of wood processing, can solve the problems of rapid identification of wood quality without reports, and achieve the effects of low cost and simple detection method.

Active Publication Date: 2017-09-15
泰州市海通资产管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no report on the rapid identification of wood quality.

Method used

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  • A method for identifying wood quality
  • A method for identifying wood quality
  • A method for identifying wood quality

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A method for identifying wood quality, said method comprising the steps of:

[0034] 1) Standard sample production: take a wood sample of known type, polish the glaze on each face of the wood sample with sandpaper, the abrasive grain size of the sand paper is 1800, and obtain the wood standard sample;

[0035] 2) Titration solution preparation: Stir the pigment and water evenly, and the volume ratio of the pigment and water in the titration solution is 1:500 to obtain a titration solution;

[0036] 3) titration of wood standard sample: determine titration point on the wood standard sample of described step 1), and titration point is positioned at the radial cut surface of wood, draws the titration solution of described step 2) with capillary, vertically stands capillary at titration point At the top, make the lower part of the capillary contact with the titration point surface, start titration and timing, record the titration amount per unit time, calculate the titratio...

Embodiment 2

[0043] A method for identifying wood quality, said method comprising the steps of:

[0044] 1) Standard sample production: take a wood sample of known type, polish the glaze on each face of the wood sample with sandpaper, the abrasive grain size of the sand paper is 2000, and obtain the wood standard sample;

[0045] 2) Titration solution preparation: Stir the pigment and water evenly, and the volume ratio of pigment and water in the titration solution is 0:500 to obtain a titration solution;

[0046] 3) titration of wood standard sample: determine titration point on the wood standard sample of described step 1), and titration point is positioned at the cross-section of wood, draws the titration solution of described step 2) with capillary, vertically stands capillary at titration point At the top, make the lower part of the capillary contact with the titration point surface, start titration and timing, record the titration amount per unit time, and calculate the titration rat...

Embodiment 3

[0062] Uniformity differences on the same side of the same wood:

[0063] Using the method of Example 1, titrate different parts on the same surface of the same wood, and compare the water absorption rate. If the difference in rate is not more than 10%, it can be considered that the surface is relatively uniform; otherwise, it means that the surface is uneven and the distribution of voids is uneven uniform.

[0064] According to the comparison of titration rates at four different points on the same surface of golden wood in Table 2, the difference between the maximum rate of 0.043cm / s and the minimum rate of 0.040cm / s is 6.9%<10%, indicating that the test surface of golden wood is relatively uniform. (Because the radial section rate value is large and easy to distinguish, the radial section is used.)

[0065] Table 2 Comparison of uniformity difference data on the same surface of the same wood

[0066]

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Abstract

The invention relates to the field of wood processing, in particular to a method for identifying wood quality. The method comprises making a standard sample, preparing a titration solution, titrating the wood standard sample to obtain the titration rate of the standard sample wood, detecting the titration rate of the wood to be tested, and comparing the titration rates of the wood standard sample and the wood to be tested to identify the quality of the wood. The invention is a non-destructive test, which does not need to destroy the sample during the screening process, while the general porosity detection technology usually needs to damage the test piece, without the need for high-cost instruments and tools, the detection method is simple, and the authenticity of precious wood can be easily identified. identification is important.

Description

technical field [0001] The invention relates to the field of wood processing, in particular to a method for identifying wood quality. Background technique [0002] The methods of wood identification are mainly divided into macro identification and micro identification: macro identification refers to observing wood with the naked eye (including the use of a magnifying glass), and judging or distinguishing tree species according to their anatomical characteristics. This method has great application value in production practice, but its accuracy is poor. [0003] Microscopic identification refers to the observation of the microscopic anatomical characteristics of wood under an optical microscope or electron microscope to determine and distinguish tree species. Its accuracy is high, but the method is cumbersome and not suitable for the production site. Research institutes and authoritative identification agencies often use a combination of macro and micro identification method...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08G01N31/16G01N1/32
Inventor 刘杰梁佳丽兰钰夏骏
Owner 泰州市海通资产管理有限公司
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