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Bentonite montmorillonite content automatic detection equipment and method

A technology of automatic detection and bentonite, which is applied in the direction of chemical analysis by titration, analysis by causing chemical reaction of materials, and material analysis by observing the influence of chemical indicators, etc. It can solve the problems of cumbersome titration process and achieve Quick detection, reduction of human error, automatic continuous detection effect

Pending Publication Date: 2021-04-13
句容康泰膨润土有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fan Zitian of Huazhong University of Science and Technology and others have developed a bentonite blue absorption test device (application number: CN201020127489.6, publication number: CN201788154U), which basically realizes the automation of bentonite titration, but there are many disadvantages, such as titration The unit titration volume is changed by changing the inner diameter of the burette, and it needs to be compared with the standard sample to determine the unit titration volume of the burette with different inner diameters. The titration process is cumbersome.

Method used

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  • Bentonite montmorillonite content automatic detection equipment and method
  • Bentonite montmorillonite content automatic detection equipment and method
  • Bentonite montmorillonite content automatic detection equipment and method

Examples

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Effect test

Embodiment 1

[0045] Example 1. In this example, sodium bentonite for pellets produced by a bentonite enterprise in Jiangsu Province is used as raw material. The main valuable component in the ore is montmorillonite, and the content of montmorillonite is between 40% and 46%. The proportion of 200 mesh is greater than 99%.

[0046] The application steps of a kind of bentonite montmorillonite content automatic detection equipment and detection method provided by the application are as follows:

[0047] 1. Prepare 100ml of 0.2% methylene blue solution in advance, pour it into the titration container 110, and set it aside;

[0048] 2. Randomly weigh 20g of bentonite, place it in a medium oven and dry it at 115°C until the weight is constant;

[0049] 3. Weigh 0.2 g of dried bentonite with an analytical balance (precision 0.0001 g), add the weighed bentonite and 50 mL of distilled water into the container 210 to be titrated, and then add 20 mL of sodium pyrophosphate solution;

[0050] 4. Use ...

Embodiment 2

[0060] Example 2, the application steps of this example are basically the same as those in Example 1, except that the bentonite used for testing is a certain brand of bentonite from Jiangsu, the content of montmorillonite is known to be 61%, and the proportion of -200 mesh is greater than 99%. Each sample was tested 3 times, and the test results are shown in Table 2.

[0061]

[0062] Two kinds of titration methods contrast in table 2 embodiment 2

[0063] As can be seen from the data in Table 2, compared with the standard value, the final titration results of the two methods are acceptable. Similarly, the single fluctuation of the present application is smaller and the time is shorter, while the single error of manual titration is larger, longer.

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Abstract

The invention discloses bentonite montmorillonite content automatic detection equipment and method, and belongs to the field of bentonite. The equipment comprises a titration unit, a to-be-titrated unit, a medium-speed filter paper unit, a camera shooting and computer image processing unit and a shell, a detection opening is formed in one side of the shell, a support is transversely arranged in the detection opening, and the titration unit and the to-be-titrated unit are arranged between the support and the inner top of the detection opening; and a medium-speed filter paper unit and a camera shooting and computer image processing unit are arranged between the support and the inner bottom of the detection opening. The montmorillonite content detection equipment is fully automatic, rapid and standardized, the titration process is carried out by completely depending on a machine and a set program, personal errors are eliminated, the detection time is greatly shortened, and the titration result is more accurate.

Description

technical field [0001] The application relates to the field of bentonite, in particular to an automatic detection device and detection method for bentonite montmorillonite content. Background technique [0002] Bentonite is an extremely valuable non-metallic mineral with multiple uses. It is known as "universal clay". It has more than 400 uses and is used in more than 100 production sectors of the national economy. The total reserves of bentonite mineral resources in my country are very rich, ranking first in the world, and the scope of application in the national economy is becoming more and more extensive, such as being used as a binder for smelting and casting in the iron and steel industry, as a decolorizer and additive in the chemical industry, It can be used as high-quality mud in ground exploration, as plasticizer in ceramic industry, as treatment agent in sewage treatment, as drag reducer and waterproof material in underground engineering, etc. Different application ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N31/16G01N31/18G01N21/78
CPCG01N31/16G01N31/18G01N21/78
Inventor 马林
Owner 句容康泰膨润土有限公司
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