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Device for measuring suspension property of turbid liquid, and method for testing suspension property of turbid liquid by centroid method

A technology for measuring devices and suspensions, which is applied to measuring devices, using mechanical devices, instruments, etc., can solve the problems of many operation steps, complicated operations, and large test errors, and achieve simple operation and calculation, accurate test data, and method. effect of science

Active Publication Date: 2013-08-14
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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  • Device for measuring suspension property of turbid liquid, and method for testing suspension property of turbid liquid by centroid method
  • Device for measuring suspension property of turbid liquid, and method for testing suspension property of turbid liquid by centroid method
  • Device for measuring suspension property of turbid liquid, and method for testing suspension property of turbid liquid by centroid method

Examples

Experimental program
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Effect test

Embodiment 1

[0036] A suspension measuring device, the structure of which is as follows: figure 1 shown. The device includes a bracket 1 , a test container 2 , a fixture 3 and a tension sensor 4 . The clamp 3 clamps the upper end of the test container, the clamp 3 is connected with the tension sensor 4, the bottom of the test container 2 is placed on the support platform 5, and the tensile direction (downward) of the test container 2 generated by the clamp 3 to the tension sensor 4 is in line with the horizontal plane. Heavy straight, the angle between the test container 2 and the horizontal plane is θ=10~85°. The test container 2 is an oblate container with an oval cross section.

Embodiment 2

[0038] A suspension performance test of a high-radiation infrared energy-saving coating, the test device is as in Example 1. The clamp is fixed on the upper end of the empty container, the clamp is connected with the tension sensor, the bottom of the container is placed on the support platform, and the container is placed obliquely. The line where the force direction of the tension sensor test end is parallel to the horizontal plane and intersects with the center line of the container length direction. The distance between the intersection point of the straight line where the direction of force of the test end and the centerline of the container length direction is L=300mm from the bottom of the container, and the angle between the test container and the horizontal plane is θ=60°. Record the number of load cells F at this time 0 =0.6N; put a certain amount of suspension solution with a mass of M=200g, and use a computer to automatically record the time t(t 1 ,...,t n ) and t...

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Abstract

The invention relates to a device for measuring suspension property of turbid liquid, and a method for testing suspension property of turbid liquid by a centroid method. The device for measuring the suspension property of the turbid liquid comprises a long tubular test container, a clamp, a tension sensor and a bracket, wherein the tension sensor is fixed on the bracket; the clamp is clamped at the upper end of the test container; the clamp is connected with the test end of the tension sensor; the bottom end of the test container is placed on a bracket platform; and the test container and the horizontal plane form a certain included angle theta. The invention also provides the method for testing the suspension property of the turbid liquid by the centroid method by utilizing the device. The method is accurate in test data, small in error, good in consistency for testing for a plurality of times, and suitable for manual measurement and automatic measurement of a microcomputer.

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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Patent Type & Authority Applications(China)
IPC IPC(8): G01N19/00
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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