Online sample preparation and testing system

A test system and water sample technology, applied in the direction of fuel oil test, test sample preparation, measuring device, etc., can solve the problems of inaccurate total moisture measurement results, moisture loss in coal samples, cumbersome process standards, etc., to reduce moisture loss, improving accuracy, and reducing the effects of the testing process

Pending Publication Date: 2018-03-16
长沙开元仪器有限公司
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Problems solved by technology

[0004] When using the above-mentioned online sample preparation system for total moisture measurement, due to the many steps and locations of coal collection, preparation, and testing, the cumbersome process standards, and the long time span, it is easy to cause the loss of moisture in the coal sample, resulting in inaccurate total moisture measurement results. precise

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] The core of the invention is to provide an online sample preparation and testing system, which can reduce the water loss of the whole water sample and improve the accuracy of the test results.

[0026] Please refer to figure 1 and figure 2 , figure 1 Schematic diagram of the structure of a specific embodiment provided by the present invention; figure 2 It is a schematic flow chart of a specific embodiment provided by the present invention.

[0027...

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Abstract

The invention discloses an online sample preparation and testing system. The online sample preparation and testing system comprises a sampling unit for preparing a primary subsample into a common coalsample, a first splitting device and an online total moisture testing system, wherein the first splitting device is used for carrying out splitting on the common coal sample so as to prepare a totalmoisture sample, a feeding inlet of the first splitting device is connected with a discharge hole of the sampling unit, and a first outlet for discharging and testing the total moisture sample is formed in the first splitting device; the online total moisture testing system is connected with the first outlet, and is used for collecting and testing the total moisture sample and carrying out moisture content testing. According to the online sample preparation and testing system disclosed by the invention, after the testing total moisture sample is prepared completely, the testing total moisturesample directly enters into the online total moisture testing system, and measurement is carried out on coal sample moisture content. In the testing process, the total moisture sample is transferred to a laboratory for testing without being packaged, the testing process is reduced, and the time between total moisture sample preparation and testing is shortened, the moisture loss in the total moisture sample is reduced, and the accuracy of a measured result is improved.

Description

technical field [0001] The invention relates to the technical field of coal quality analysis instruments, and more specifically relates to an online sample preparation and testing system. Background technique [0002] The total moisture in coal refers to the total free moisture in coal, that is, the sum of external moisture and internal moisture in coal. It is one of the important indicators to characterize the performance of coal, which is directly related to the transportation capacity, pricing and settlement, and affects the economic interests of both parties in the media transaction. [0003] The coal quality analysis industry often measures the total moisture of coal samples through the process of sampling, preparation and testing and analysis. The online sample preparation system commonly used in the prior art only performs preliminary crushing and shrinking of coal quality, and collects samples to prepare common coal samples. The full-moisture coal sample (referred ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N33/22
CPCG01N1/28G01N33/222
Inventor 罗建文李敬亚黄锋
Owner 长沙开元仪器有限公司
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