Papermaking fiber image measuring method

A technology of image measurement and fiber, which is applied in the measurement of length, fiber composition, wall cavity size and width, and can solve problems such as inability to measure, and achieve the effects of reducing measurement errors, reducing changes, and reducing the strength of film production

Inactive Publication Date: 2011-02-02
ZHUHAI HUALUN PAPERMAKING SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there are a large number of intersecting fibers in the papermaking fiber test piece, it is not applicable. At the same time, this method cannot measure some other common characteristic indicators of papermaking fibers: such as beating degree, wall cavity ratio, composition ratio of different types of mixed fibers in raw materials , the proportion of non-fibrous cells in the pulp, etc.

Method used

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  • Papermaking fiber image measuring method
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Examples

Experimental program
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Effect test

Embodiment Construction

[0034] Part 1: Measurement of paper fiber length and width

[0035] The first step: Gel method to make tablets:

[0036] The steps of the method for preparing tablets by the gel method of the present invention: obtain a paper or pulp fiber sample according to the industry standard QB / T 2597-2003 papermaking fiber length measurement method, or disperse the undispersed raw material or pulp fiber sample to obtain fully dispersed For the wet pulp sample, knead the above wet pulp sample dry by hand; take about 1g of wet pulp, add 0.05 to 1 gram of dark or blue-black dyeing agent and about 0.5ml of water, mix evenly, heat to 90 degrees, and place it for a few minutes. Rinse the pulp with clean water to remove excess dye and dry it by hand. Then take about 10 mg of the slurry dyed into a dark color and place it in a glass bottle with a cover, add 5-20 ml of gel (composed of 0.5-3.5% agar and other seaweed gel solutions), heat it to a flowing liquid, and shake the suspension fully. ...

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Abstract

The invention relates to a papermaking fiber image measuring method. The instrument adopted in the method is a papermaking fiber analyzer consisting of a biological microscope of which the ocular lens is replaced by a digital video, a microcomputer, a display connected with the microcomputer, and a papermaking fiber analyzing program arranged inside the microcomputer. The measurement item comprises image method measurement of length and width of the papermaking fiber, image method measurement of papermaking fiber ratio and measurement of papermaking fiber plant material cell wall and cavity ratio. The invention provides filmmaking technology by a gel process, and a glass slide clamp capable of accommodating large-scale glass slides. The papermaking fiber image measuring method has the advantages of simpleness, practicability and accurate result.

Description

technical field [0001] The invention relates to the technical field of papermaking, in particular to a method for measuring the length, width, wall cavity size and fiber composition of papermaking fibers. Background technique [0002] Paper-making fibers have different microscopic shapes in different raw materials and different treatment processes, and they have an important impact on the properties of paper. The average length of grass and hardwood fibers is less than 1 mm, the average length of coniferous wood fibers is 2 to 4 mm, and its width is about 20 to 100 microns; papermaking cotton fibers and bast plant fibers are about several mm to more than 10 mm long and about 10 mm wide. 10 to 20 microns, which is not easy for human eyes to see. In the past, the measurement of fiber shape indicators in my country mainly relied on microscopes or micro-projectors to enlarge or project the fibers onto the projection screen, and then manually measure them with a micrometer or so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/28G01B11/06G01B11/02G01B11/08G01N1/30
Inventor 谭敏黄菊华王玉谭皓晓
Owner ZHUHAI HUALUN PAPERMAKING SCI & TECH
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