A kind of bucket sample sampling method

A bucket sample and sampler technology, applied in the direction of sampling devices, etc., can solve the problems of poor uniformity and non-representativeness of bucket samples

Active Publication Date: 2018-01-12
BEIJING SHOUGANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention solves the technical problem of poor uniformity and unrepresentativeness of the bucket sample in the prior art by providing a bucket sample sampling method

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  • A kind of bucket sample sampling method

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Embodiment Construction

[0025] In order to solve the technical problem of poor uniformity and non-representativeness of the bucket sample in the prior art, the embodiment of the present invention provides a sampling method for the bucket sample. Stand still, so that the outer shell of the bucket sample can be effectively solidified, and the internal molten steel can be filled evenly, preventing the internal shrinkage cavity or uneven surface of the sample caused by lifting the bucket sample in the liquid state, ensuring the uniformity of the bucket sample, and making the bucket sample have representative.

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present in...

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Abstract

The invention relates to the technical field of molten steel sampling, in particular to a method for sampling a bucket sample, the method comprising: using a bucket sampler to sample molten steel to obtain a bucket sample; The bag is left standing along the top; the cooling water tank is used to cool the pail sample after standing with the mold; the mold-cooled bucket sample is demoulded; the cooling water tank is used to cool the pail sample after demoulding. In the pail sample sampling method of the present invention, after the pail sample is taken out of the molten steel, it is left standing above the edge of the bag, so that the outer shell of the pail sample can be effectively solidified, and the internal molten steel can be evenly filled, preventing the pail from being lifted in a liquid state. The inner shrinkage cavity or uneven surface of the sample is caused by the sample, which ensures the uniformity of the pail sample and makes the pail sample representative.

Description

technical field [0001] The invention relates to the technical field of sampling molten steel, in particular to a bucket sample sampling method. Background technique [0002] In the refining process of molten steel, sampling and testing the composition is an essential link, which can not only be used as the basis for the adjustment of the alloy composition in the next step, but also can be used as a criterion for whether the target requirements are met for circulation in the next process. In particular, for some steel types with a very narrow determination range, whether the samples sent to the laboratory are uniform and representative is very important to the production process. On the one hand, if the sample is uneven, it will increase the testing time, and even the finished product cannot be reported normally, which will affect the production cycle. On the other hand, if the representativeness of the sample is poor, it will affect the accuracy of subsequent operations, re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/10
Inventor 赵艳宇刘珍童庞炜光张涛王建辉高占晓秦佳星彭文涛
Owner BEIJING SHOUGANG CO LTD
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