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Suspension suspensibility measurement apparatus and method for testing suspension suspensibility through gravity center method

A measuring device and technology for suspending liquid, applied in the direction of analyzing materials, instruments, etc., can solve the problems of many operation steps, complicated operation, large test error, etc., and achieve the effect of simple operation and calculation, accurate test data and good consistency

Active Publication Date: 2013-08-28
山东慧敏科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the above methods have one or more of the following problems to varying degrees: ①The suspension needs to be left for a long time to know its suspension performance; ②It can only be measured qualitatively, and the test error is large in quantitative measurement; When the liquid has no obvious stratification or the stratification takes a long time, and when the suspension is colored and the container is opaque and the stratification cannot be observed, the suspension performance cannot be tested; ④The scope of application is small, and it cannot reflect the internal factors of the suspension Sedimentation caused by uneven particle size; ⑤ There are many test vessels, many operating steps, and complicated operation; ⑥ Sampling after standing for a period of time will stir the suspension and cause errors; ⑦ High requirements for equipment accuracy, complex equipment structure, As the test device mentioned in CN102435538A; etc.

Method used

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  • Suspension suspensibility measurement apparatus and method for testing suspension suspensibility through gravity center method
  • Suspension suspensibility measurement apparatus and method for testing suspension suspensibility through gravity center method
  • Suspension suspensibility measurement apparatus and method for testing suspension suspensibility through gravity center method

Examples

Experimental program
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Embodiment 1

[0042] A suspension measuring device, the structure of which is as follows: figure 1shown. The device includes a bracket (1), a test container (2), a fixture (3), a load cell (4), and a microcomputer (5) with an information collection system. The test container is an oblate long tube container with an oval cross section. The load cell (4) is connected with a microcomputer (5) with an information collection and processing system; the fixture (3) clamps the test container, and the fixture pole (7) is placed on the support end (6) of the bracket (1) Put the lower end of the test container (2) on the test end (8) of the load cell (4), the angle between the test container and the horizontal plane is θ, θ=10~85°

Embodiment 2

[0044] A suspension performance test of a high-radiation infrared energy-saving coating, the test device is as in Example 1. The force sensor is connected with a microcomputer with an acquisition system, the fixture is fixed on the upper end of the container, the straight line where the fixture pole is located is perpendicular to the centerline of the container in the longitudinal direction, and the intersection point between the plane perpendicular to the horizontal plane where the fixture pole is located and the centerline in the longitudinal direction of the vessel is The distance between the bottom of the test container is L=400mm, the fixture pole is placed on the supporting end of the bracket, the lower end of the test container is placed on the test end of the load cell, and the angle between the test container and the horizontal plane is θ=60°. Record the number of load cells at this time F 0 =0.5N; after loading a certain amount of suspension with a mass of M=180g, th...

Embodiment 3

[0055] A kind of suspension measuring device, replaces the load cell in embodiment 2 with electronic analytical balance, other is the same as embodiment 2. In embodiment 2, the force F measured by the load cell is multiplied by the acceleration of gravity g by the value m measured by the electronic balance in this device, that is, F=mg, F 0 =m 0 g.

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Abstract

The present invention relates to a suspension suspensibility measurement apparatus and a method for testing suspension suspensibility through a gravity center method. The apparatus comprises a long tube-shaped test container, a clamper, a force measurement sensor and a support, wherein the clamper is clamped on the upper end of the test container, the test container is supported by the support through the clamper so as to incline the test container at a certain angle theta, the bottom end of the container is placed on the center of a test end of the force measurement sensor, and a center axis line of the test end is perpendicular to the horizontal plane. The invention further provides a method for testing suspension suspensibility through a gravity center method by using the apparatus. The apparatus and the method have the following characteristics that: test data is accurate, error is low, multiple test consistency of the same suspension is good, and suspensions with different suspensibilities can be well distinguished.

Description

technical field [0001] The invention relates to a suspension testing device and a method for testing the suspension performance of the suspension by a center of gravity method, belonging to the field of suspension testing. Background technique [0002] The suspension stability of the suspension is an important performance index of the suspension. However, there is no special test instrument for the suspension performance at present, and the commonly used methods are as follows: ①Static method of measuring cylinder: Pour a certain amount of suspension into the measuring cylinder, let it stand for a certain period of time, and observe the layered interface or supernatant Volume; ②Measurement of density at different heights: After the suspension is left to stand for a certain period of time, samples are taken at different heights to test the change of sample density; ③Standard volumetric weighing method: a set of standard container sampling cups is made, and the suspension The...

Claims

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Application Information

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IPC IPC(8): G01N15/04
Inventor 周惠敏张绍强李亮刘常富刘逸舟翟延飞
Owner 山东慧敏科技开发有限公司
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