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Corrosion simulation experiment device in ocean tidal range zone

A technology that simulates experimental devices and tidal ranges, and is used in measurement devices, weather resistance/light resistance/corrosion resistance, instruments, etc.

Inactive Publication Date: 2017-10-27
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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So far, there has been no report on the corrosion simulation test device in the tidal zone

Method used

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  • Corrosion simulation experiment device in ocean tidal range zone
  • Corrosion simulation experiment device in ocean tidal range zone

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Experimental program
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Embodiment Construction

[0010] figure 1 and figure 2 Schematic diagram of the experimental setup. The external structure of the experimental device is a box body 1, which is welded by aluminum alloy or stainless steel. The part is welded together with the bottom plate and two side panels, and the upper part is processed into a door for opening and closing. The internal structure of the experimental device is the sample lifting device, the ultraviolet lamp arrangement area, and the full immersion device from top to bottom. The sample lifting device obtains mechanical support through the top panel of the test box 1. The lifting screw 2 in the lifting device passes through the center of the top panel of the test box, the manual lifting disc 3 is installed on the lifting screw and is located above the top panel of the box, and the geometric center of the sample hanger 4 in the box is fixed on the lifting The lower end of the screw rod 2, the sample 5 is suspended on the sample hanger. In this way, ...

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Abstract

The invention discloses an experimental device for simulating a corrosive environment in a tidal zone of a marine environment. The main body of the device is a test box, a lifting device is installed on the top panel of the box, and a sample hanger, an ultraviolet Lamp and corrosive medium test tank. The bottom of the test box is equipped with a partition plate with holes, and the test tank containing corrosive medium is placed on the partition plate with holes, and the corrosion tank is filled with seawater or other corrosive medium. Install the heater and temperature sensor in the space between the perforated partition and the bottom surface. Water was injected into the test chamber to control the temperature of the water bath. When the sample is fully immersed in the corrosive medium, the corrosive environment of the ocean at high tide is simulated. When the sample is lifted off the liquid surface, it is irradiated by ultraviolet light, which simulates the corrosive environment of the ocean when the ocean ebbs and is irradiated by sunlight. Therefore, this experimental device comprehensively considers the effects of seawater dry-wet alternation and sunlight exposure, which is closer to the actual corrosion environment, and provides an experimental basis for the study of corrosion protection technology in tidal ranges.

Description

Technical field: [0001] The invention relates to a marine corrosion simulation experiment device, in particular to a corrosion test device for simulating the ocean tidal range environment. Background technique: [0002] In the ocean tidal range area, the coating of organic coatings is the most commonly used surface protection method for steel structures. The effective life of organic coatings is mainly affected by the periodic seawater immersion caused by tides and the aging caused by sunlight in the dry phase. Carrying out simulation experiments in the corresponding environment is the prerequisite for the design, selection, life prediction and study of the corrosion failure mechanism of protective coatings. It has been mentioned in the literature that the alternate wet and dry immersion test is used to simulate the alternate wet and dry environment; the traditional aging test chamber is also used to simulate the light environment, but the former is not coupled with light ag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/00
Inventor 赵卫民王勇韩彬韩涛董立先孙建波
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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