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Electrochemical method and device for structural steel designation sorting

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, accurate results, and reducing costs

Active Publication Date: 2018-01-19
NORTHEAST GASOLINEEUM UNIV
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  • Application Information

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

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with accompanying drawing:

[0037] 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

The invention relates to an electrochemical method and device for structural steel designation sorting. The invention mainly aims to provide an electrochemical method for rapid and accurate sorting ofstructural steel designation and a device for realizing the method. The method is characterized by mainly comprising the following main steps: conducting electrochemical experiment on structural steel with unknown designation, performing measurement to obtain an anode polarization curve of the structural steel with unknown designation in a special electrolyte solution, analyzing characteristic parameters of the anode polarization curve, then carrying out comparison with standard anode polarization curve characteristic parameters of structural steel with known designation in a standard sampledatabase, and performing recognition, thus obtaining the designation of the steel. The device comprises an electrochemical testing module and a polarization curve recognition module. The electrochemical testing module includes a three-electrode electrolytic tank, test circuit and a motor stirring circuit. The polarization curve recognition module includes a 89C51 chip, an analog-digital conversionchip 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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IPC IPC(8): G01N27/48
Inventor 方华牛瑞雪李飞
Owner NORTHEAST GASOLINEEUM UNIV
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