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Method for detecting water dispersibility of basalt fiber wet-process chopped strands

A technology of basalt fiber and chopped strands, which is used in measuring devices, analytical materials, optical testing flaws/defects, etc., can solve the problems of human error, cannot objectively and accurately reflect the fiber dispersion level, etc., to reduce errors and shorten the Detection time, effect of high water dispersibility

Active Publication Date: 2019-12-24
SICHUAN QIANYI COMPOSITE MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The existing technology ZL201010586499.0 is observed by personnel, which will cause human error and cannot objectively and accurately reflect the dispersion level of fibers
The ZL201410287056.X method is to distinguish the fiber dispersion performance through the volume reading of the measuring cylinder, and the fatal flaw is more obvious: if there are undispersed bundled fibers or clustered fibers, the volume value read will also be greater than the control volume value, resulting in misjudgment

Method used

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  • Method for detecting water dispersibility of basalt fiber wet-process chopped strands
  • Method for detecting water dispersibility of basalt fiber wet-process chopped strands
  • Method for detecting water dispersibility of basalt fiber wet-process chopped strands

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 Shown, a kind of water dispersibility detection method of basalt fiber wet-process chopped strand, comprises the steps:

[0036] Take quantitative basalt fiber wet-process chopped strands and add them to the container for water and additives. The proportions of basalt fiber wet-process chopped strands, water and additives are reduced in the same proportion as the preparation process of basalt fiber wet-process mat to obtain basalt fiber wet-process chopped strands Mixture with water; use a stirring device to stir the mixture according to the stirring method in the production process of wet-laid felt. During the stirring process, do not interfere with the stirring process artificially. During the stirring process, the production process of wet-laid felt must be completely restored to obtain basalt fiber chopped raw Silk suspension, after the stirring is completed, remove the stirring device, use the horizontal filter screen preset at the bottom of the co...

Embodiment 2

[0048] Such as figure 2 Shown, a kind of water dispersibility detection method of basalt fiber wet-process chopped strand, comprises the steps:

[0049] Use a container to load an appropriate amount of basalt fiber wet chopped strand suspension from the slurry tank, use the horizontal filter screen preset at the bottom of the container to move vertically upwards to pick up the fibers in the suspension, the filter screen is preset at the bottom of the container, and lift the filter screen Copy the fibers in the suspension to reduce the vibration caused by the filter when it is put into the suspension and affect the suspension, and at the same time avoid the fiber sticking to the bottom of the filter during the process of putting the filter, causing judgment errors, and at the same time copy smoothly Take the fiber in the suspension, try to ensure the state of the fiber after monofilamentization, and reduce the error introduced; the filter screen is a filter screen for papermak...

Embodiment 3

[0060] Such as image 3 Shown, a kind of water dispersibility detection method of basalt fiber wet-process chopped strand, comprises the steps:

[0061] Insert the filter screen into the basalt fiber wet-process chopped strand suspension in the slurry tank to a certain depth, and adjust the filter screen so that the screen surface is parallel to the slurry surface to reduce the uneven fiber distribution caused by the angle between the screen surface and the slurry surface. Then move the distance of at least one filter screen horizontally on the depth to reduce the influence of fiber redistribution on the picked fibers due to the filter screen extending into the suspension, and finally move the filter screen vertically upwards to pick up the fibers in the suspension; At the same time, the fibers in the suspension are smoothly picked up to ensure the state of the monofilamented fibers as much as possible and reduce the introduction of errors; the filter is a filter for papermaki...

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Abstract

The invention discloses a method for detecting the water dispersibility of basalt fiber wet-process chopped strands. The method comprises the following steps: taking fibers in a basalt fiber wet-process chopped strand suspension by adopting a filter screen; drying the filter screen and fibers on the filter screen; acquiring high-definition images of the fibers on the filter screen; and comparing characteristic parameters of the images with corresponding characteristic parameters of a standard image by an image processing unit to determine the dispersity of the fibers. The suspension can be prepared independently or can be extracted from a slurry pool; or even the fibers can be extracted and obtained from the slurry pool directly by using the filter screen. The detection time in the whole process is shortened and errors introduced in all links are reduced; the dispersion state of the basalt wet-process chopped strand is closest to the dispersion state of the basalt wet-process chopped strand in the wet-process felt production process; the detection of the dispersity of the basalt fiber wet-process chopped strands is realized by using the image processing technology; the errors caused by human factors are reduced; and the water dispersibility of the basalt fiber wet-process chopped strand is objectively, accurately and efficiently determined.

Description

technical field [0001] The invention belongs to the technical field of water dispersibility detection of basalt fiber, in particular to a water dispersibility detection method of basalt fiber wet-process chopped strands. Background technique [0002] Continuous basalt fiber is an inorganic high-performance fiber formed by melting basalt ore, a volcanic rock formed by magma eruption, at a high temperature of 1400-1650 ° C, forming it through a platinum bushing, and then drawing it at a high speed by a raw wire forming equipment. Continuous basalt fiber has excellent tensile strength and modulus, and is known as one of the "four high-performance fibers" together with ultra-high molecular weight polyethylene fiber, carbon fiber, and aramid fiber. At the same time, it has excellent temperature resistance stability, electrical insulation, chemical corrosion resistance stability, heat insulation, sound absorption, non-combustibility, radiation resistance stability, wave transmissi...

Claims

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Application Information

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IPC IPC(8): G01N21/88
CPCG01N21/84G01N21/88G01N2021/8444G01N2021/8887
Inventor 杜洪
Owner SICHUAN QIANYI COMPOSITE MATERIAL CO LTD
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