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Raw material acceptance sampling method

A technology for checking and receiving samples and raw materials, which is applied in the field of raw material acceptance for stainless steel production, can solve the problems of long acceptance time and high labor intensity of acceptance personnel, and achieve the effect of shortening the acceptance time

Pending Publication Date: 2020-08-21
ZHANGJIAGANG POHANG STAINLESS STEEL
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  • Abstract
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Problems solved by technology

However, the larger the sampling quantity, the greater the acceptance quantity, the greater the labor intensity of the acceptance personnel, and the longer the acceptance time

Method used

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Embodiment Construction

[0034] 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 creative efforts fall within the protection scope of the present invention.

[0035] see figure 1 , figure 2 . The raw material acceptance and sampling method provided in an embodiment of the present application may include: step S11, stacking and mixing the raw materials to be accepted to form a raw material pile, wherein the weight of the raw material pile is greater than a first predetermined value; step S13 , using the raw material pile as the initial raw material pile 11; step S15, dividing the initial raw material pile 11 into at le...

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Abstract

The invention provides a raw material acceptance sampling method. The method comprises the steps of stacking and mixing to-be-accepted raw materials to form a raw material pile; taking the raw material pile as an initial raw material pile; respectively grabbing each part of the initial raw material pile for multiple times by using a first manipulator until the initial raw material pile is grabbed,and stacking all the raw materials grabbed at any part to form a first sample pile; when the weight of the first sample pile is less than a first preset value and greater than a second preset value,taking the first sample pile as a current sample raw material pile; dividing the current sample raw material pile into a plurality of sampling piles by using a second manipulator, and selecting one sampling pile as a first sample unit; and when the weight of the first sample unit is less than the second preset value, sampling at a preset position of the first sample unit. The embodiment of the invention provides a raw material acceptance sampling method which can shorten the acceptance time and reduce the labor intensity.

Description

technical field [0001] The invention relates to the field of raw material inspection and acceptance for stainless steel production, in particular to a raw material inspection and sampling method. Background technique [0002] In the supply of raw materials for stainless steel production (such as nickel cold milling), the general supplier supplies 300 tons, 500 tons, and 1,000 tons to the buyer at a time. For the buyer, it needs to inspect the goods. Since the physical form of raw materials for stainless steel production (such as nickel cold milling) is small blocks, and the weight of a single block is not more than 10kg, for raw materials ranging from 300 tons, 500 tons, and 1,000 tons, the number of blocks is relatively large. [0003] In the prior art, manual sampling and acceptance of raw materials for stainless steel production are usually carried out. In order to improve the acceptance quality, the larger the number of samples, the better. However, the larger the sam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 袁震
Owner ZHANGJIAGANG POHANG STAINLESS STEEL
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