Electrochemical method and device for sorting structural steel grades

A structural steel and electrochemical technology, applied in the direction of material electrochemical variables, can solve problems such as difficulty in automation, and achieve the effects of improving work efficiency, reducing costs, and accurate results

Active Publication Date: 2019-07-02
NORTHEAST GASOLINEEUM UNIV
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Problems solved by technology

In the past, the sorting of raw material structural steel grades mainly used methods such as spectroscopic, looking at the sparks from the grinding wheel and eddy current detection signals. These methods are inseparable from the accumulation of operator experience. At the same time, it is difficult to automate the raw material sorting process

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  • Electrochemical method and device for sorting structural steel grades
  • Electrochemical method and device for sorting structural steel grades
  • Electrochemical method and device for sorting structural steel grades

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with accompanying drawing:

[0039] Depend on image 3As shown, a large number of electrochemical experiments show that the anodic polarization curves of different grades of structural steel are significantly different. The main reason is that the different alloy elements contained in structural steel and their content will have obvious differences influences. By measuring the anodic polarization curve of an unknown brand of structural steel in a special electrolyte solution, and then analyzing the characteristic parameters in the curve, and then comparing and identifying the characteristic parameters with the standard anodic polarization curves of various brands of structural steel, it can be given Confused grades of structural steel grades. The present invention is the first invention of a method and device for electrochemical sorting of structural steel grades based on the above principles.

[00...

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Abstract

An electrochemical method and device for sorting structural steel grades. The main purpose is to provide an electrochemical method capable of quickly and accurately sorting structural steel grades and a device for realizing the method. It is characterized in that: the main step of the method is to measure and obtain the anodic polarization curve of the unknown brand structural steel in a special electrolyte solution by performing electrochemical experiments on the structural steel of the unknown brand, and analyze the characteristic parameters of the anodic polarization curve, and then Compared and identified with the standard anodic polarization curve characteristic parameters of known grades of structural steel in the standard sample database, the grade of the steel is finally identified; the device includes an electrochemical test module and a polarization curve identification module; the electrochemical The test module includes a three-electrode electrolytic cell, a test circuit and a motor stirring circuit; the polarization curve identification module includes an 89C51 chip, an analog-to-digital conversion chip and a liquid crystal display circuit.

Description

technical field [0001] The invention relates to a method and device for determining the designation of structural steel. Background technique [0002] In the process of production and scientific research, the phenomenon of confusion of raw material structural steel grades often occurs, and the phenomenon of mixing materials will cause serious engineering quality accidents and failure of scientific experiments. Therefore, factories and universities often need to sort the grades of raw structural steel. In the past, the sorting of raw material structural steel grades mainly used methods such as spectrometry, looking at the sparks from the grinding wheel, and eddy current detection signals. These methods are inseparable from the accumulation of operator experience. At the same time, it is difficult to automate the raw material sorting process. Contents of the invention [0003] In order to solve the technical problems mentioned in the background technology, the present invent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/48
Inventor 方华牛瑞雪李飞
Owner NORTHEAST GASOLINEEUM UNIV
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