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Apparatus and method for performing grid partition automatic random sampling on powder materials

A technology of random sampling and random selection, applied in sampling devices, measuring devices, instruments, etc., can solve the problems of errors, low sampling efficiency, random effects of sampling, etc., to ensure consistency, reduce labor input, and randomness. strong effect

Pending Publication Date: 2021-08-27
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the sampling method of mineral powder is mainly manual sampling. Manually use the sampling drill rod to insert the mineral powder into the mineral powder compartment or pile up the mineral powder on the ground for sampling. This sampling method is inefficient, and the randomness of sampling is affected by human factors. to the error

Method used

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  • Apparatus and method for performing grid partition automatic random sampling on powder materials
  • Apparatus and method for performing grid partition automatic random sampling on powder materials
  • Apparatus and method for performing grid partition automatic random sampling on powder materials

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Experimental program
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Embodiment

[0042] The equipment for automatic random sampling of powder in grid partitions in this embodiment includes:

[0043] Partition module: used to divide the powder to be sampled into i×j areas, i≥1, j≥1; and randomly select n areas equal to the number n to be sampled, and divide the n areas into multiple A small grid, randomly select a small grid in each selected area, and send the position information of the small grid to the control module;

[0044] Control module: used to receive the small grid position information sent by the partition module, and control the sampling mechanism to take samples according to the small grid position information;

[0045] Sampling mechanism: installed above the powder to be sampled, it is used to be driven by the control module to insert into the powder in the vertical direction and obtain powder samples.

[0046] The equipment in this embodiment completely relies on automatic partitioning and random selection to select the sampling location. C...

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Abstract

The invention discloses an apparatus and method for performing grid partition automatic random sampling on powder materials. The apparatus comprises a partition module, a control module and a sampling mechanism. The partition module can divide to-be-sampled powder materials into a plurality of areas, randomly select n areas with the number n equal to the number n of the to-be-sampled powder materials, divide the n areas into a plurality of cells, randomly select one cell in each selected area, and send the position information of the cell to the control module. and the control module drives the sampling mechanism to be inserted into the powder materials and obtain powder material samples. The apparatus has higher randomness, prevents errors from being introduced, is high in sample reliability, and can accurately judge the quality of the powder. The sampling method also has the advantages of the apparatus, is simple in steps and convenient to implement, solves the problem of transition from pure manual operation to machine vision in the sampling process, and can be used for sampling operation of various powder materials.

Description

technical field [0001] The invention relates to the technical field of mineral powder sampling, in particular to a device and method for automatic random sampling of powder in grid partitions. Background technique [0002] Mineral powder sampling is a link in the metal ore smelting process. After the ore is crushed and beneficiated, it becomes concentrated ore powder, which needs to be transported to the corresponding location for smelting and processing. During this period, the ore powder needs to be assessed for quality before being transported and unloaded, and the sample test results directly determine the value of the ore powder; in addition, the ore powder put into storage also needs to be sampled and analyzed before smelting to ensure the smelting requirements. The results of mineral powder sampling and testing will directly determine the quality and cost of the products of the mining company and its various product subsidiaries, so the reliability of the samples need...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/02G01B11/00
CPCG01N1/02G01B11/002
Inventor 周立强赵晓婷成文娜王婕刘畅李丽萱侯佩瑶
Owner CENT SOUTH UNIV
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