Researching device and researching method of corrosion electrochemistry behavior in splashing zone

A spray splash and electrochemical technology, applied in electromagnetic measuring devices, measuring devices, weather resistance/light resistance/corrosion resistance, etc., can solve the problems of inability to continuously and effectively control liquid film measurement, large liquid film thickness error, etc., and achieve high precision , The effect of accurate liquid film thickness measurement and simple operation of the device

Inactive Publication Date: 2014-11-05
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Abstract
  • Description
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Problems solved by technology

This kind of measuring device has a large error in measuring the thickness of the liquid

Method used

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  • Researching device and researching method of corrosion electrochemistry behavior in splashing zone
  • Researching device and researching method of corrosion electrochemistry behavior in splashing zone
  • Researching device and researching method of corrosion electrochemistry behavior in splashing zone

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Embodiment Construction

[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] Such as figure 1 Shown is a schematic diagram of the thin-layer liquid film thickness measuring device of the present invention. Including: first guide rail support 11, second guide rail support 12, XY axis moving platform 9, displacement sensor 1 (with an accuracy of 1 μm), insulating cylinder 2, high-precision digital display instrument, external DC power supply, multi-channel data recorder, Platinum wire probe, working electrode 5, T-shaped electrode loading platform 7, bottom platform and container 6.

[0032] Wherein, the first guide rail bracket 11 is fixed on the side of the XY-axis moving platform 9, and a strip-shaped iron plate platform 13 is installed on the upper part of the first guide rail bracket 11, and the displacement sensor 1 and the insulating cylinder 2 pass through the above-mentioned first strip-shaped iron plate...

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Abstract

The invention relates to a researching device and a researching method of a corrosion electrochemistry behavior in a splashing zone. The device includes a first guide rail support, a second guide rail support, an X-Y axial moving bench, a displacement sensor, an insulating cylinder, a high-precision digital-display meter, a multi-channel data recorder, a platinum wire probe, a working electrode, a T-shaped electrode carrying bench, a bottom bench and a container. With the multi-channel data recorder, a displacement change and abrupt voltages during contact of the platinum wire probe to a liquid film and the working electrode are recorded at the same time, thereby ensuring authenticity, accuracy and reliability of data. By means of change of a relative position of the working electrode to a liquid level, a thickness of a thin-layer liquid film can be adjusted so that the thickness of the thin-layer liquid film can be adjusted continuously, thereby providing a convenient and effective method for researching a corrosion behavior under the thin-layer liquid film during a researching process of the corrosion electrochemistry behavior in the splashing zone. The method and the device are simple in operation and high in precision.

Description

technical field [0001] The invention relates to the field of corrosion electrochemical behavior, in particular to a research device and method for corrosion electrochemical behavior under a thin liquid film in a spray splash area. Background technique [0002] Corrosion of metals is a common occurrence in daily life. However, the marine environment is a complex corrosive environment, and seawater is a highly corrosive natural electrolyte in nature. The main feature of marine environment corrosion is that the corrosion rate of metals in the spray splash zone is significantly higher than that in other zones. The surface of the steel facilities in the spray splash area is in an alternating state of dry and wet, the oxygen supply is sufficient, and the average thickness of the liquid film is thin. These factors accelerate the corrosion of the steel facilities. The corrosion rate of metal in the splash zone is closely related to the thickness of the liquid film on the metal sur...

Claims

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Application Information

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IPC IPC(8): G01N17/02G01B7/06
Inventor 余秀明黄彦良善亦礼
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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