Experimental apparatus for simulating corrosion in ocean tide range region

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: 2012-01-18
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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

Method used

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  • Experimental apparatus for simulating corrosion in ocean tide range region
  • Experimental apparatus for simulating corrosion in ocean tide range region
  • Experimental apparatus for simulating corrosion in ocean tide range region

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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 apparatus for simulating a corrosion environment in a tide range region in the ocean environment. A main body of the apparatus is a test box body. A top panel of the box body is provided with a lifting device. A test sample hanger, ultraviolet lamp tubes and corrosion medium testing tanks are arranged in the box body. The bottom of the test box body is provided with a clapboard with holes. The testing tanks for containing corrosion mediums are arranged on the clapboard with the holes. Seawater or other corrosion mediums are contained in the corrosion medium testing tanks. A heater and a temperature sensor are arranged in a space between the clapboard with the holes and the bottom surface of the box body. Clear water is filled in a testing box to carry out water bath temperature control; when test samples are all soaked in the corrosion mediums, the corrosion environment in the tide rising process of the ocean is simulated; and when the test samples are lifted up to leave from the liquid levels and are irradiated by ultraviolet light, the corrosion environment irradiated by the sunlight in the tide ebbing process of the ocean is simulated. Therefore, according to the experimental apparatus, the influence of alternation of wetting and drying of the seawater and the sunlight irradiation is comprehensively considered, the simulated corrosion environment is closer to the actual corrosion environment, and the experimental foundation is provided for researching a tide range region corrosion protection technology.

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 Applications(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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