Testing sample feeding system of laser particle analyzer

Abstract

The invention discloses a testing sample feeding system of a laser particle analyzer. The testing sample feeding system comprises a circulating disperser, a heat dissipation dustproof mechanism, and astirring mechanism. The back surface of the circulating disperser is connected with the front surface of the heat dissipation dustproof mechanism, and the right side of the upper end of the housing of the circulating heat dissipation device is provided with a dispersing pool. The heat dissipation dustproof mechanism is formed by a heat dissipation hole slot, a side sliding rail plate, a bottom clamping slot plate, and a guide wheel, and therefore the high-efficiency heat dissipation and dustproof function can be realized. The stirring mechanism is formed by a motor, a fixing rack, a driving wheel, a driven wheel, a transmission belt, an auxiliary supporting rack, and stirring blades, and therefore the size is small, and the dispersing pool adopts a cone-shaped body, and is arranged inclinedly. The testing sample feeding system of the laser particle analyzer has the dustproof and heat dissipation effect, and because the dispersing poll adopts the cone-shaped body, and is arranged inclinedly, and then the used water amount is only one sixth of that of the conventional vertical cylindrical dispersing pool sample feeding device, and therefore the used water amount is greatly reduced,and the stirring is fully and quickly carried out, and testing time can be shortened, and the blockage rate of the drainage pipe can be reduced, and therefore the test can be carried out normally, when the samples are few.

Description

technical field [0001] The invention relates to the technical field of sampling devices, in particular to a testing and sampling system for a laser particle size analyzer. Background technique [0002] According to the characteristics of the substance to be measured, the sampling device of the laser particle size analyzer is divided into wet method and dry method, and the wet method sampling device still has some design defects. [0003] The wet test sampling device of the traditional laser particle size analyzer is generally equipped with a circulating pump, an ultrasonic generator, a motor and some other electrical components. After the sampling work is started, the internal heat is very large. The shells of the housings are equipped with cooling holes with large apertures. Although the large-diameter cooling holes can conduct the internal heat out quickly, it also means that the dust in the air can enter the device more easily, affecting the normal operation of the electr...

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Problems solved by technology

[0003] The wet test sampling device of the traditional laser particle size analyzer is generally equipped with a circulating pump, an ultrasonic generator, a motor and some other electrical components. After the sampling work is started, the internal heat is very large. The shells of the housings are equipped with cooling holes with large apertures. Although the large-diameter cooling holes can conduct the internal heat out quickly, it also means that the dust in the air can enter the device more easily, affecting the normal operation of the electrical components inside the device. use

[0004] In addition, most of the existing sampler dispersion tanks are cylindrical and vertically arranged. This design has relatively large defects. The dispersant is easy to sink to the bottom, but the vertical stirring cannot quickly float the dispersant well. In addition, because the stirring is not sufficient and slow, it is easy to detect that the concentration of the dispersant is not enough. In order to achieve the corresponding concentration during the experiment, the students often A large amount of dispersant will continue to be added to the dispersion tank, which increases the clogging rate of the drainage pipe. Finally, due to the large water consumption and slow and insufficient stirring, a large amount of dispersant and dispersion medium are required during sample injection, which makes the traditional sampler unable to Under the premise of normal sample injection under the premise of a small number of samples, the test cannot be carried out

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