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Top-corrosion electrochemical testing device in high-temperature and high-pressure environments

A technology of high temperature and high pressure and testing equipment, which is applied in the direction of measuring equipment, weather resistance/light resistance/corrosion resistance, scientific instruments, etc., to achieve the effect of strong adaptability and simple operation

Active Publication Date: 2015-04-08
UNIV OF SCI & TECH BEIJING +1
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a top corrosion electrochemical test device under high temperature and high pressure environment, so as to solve the problem of electrochemical corrosion behavior test on the wet gas top of pipeline steel under high temperature and high pressure conditions

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  • Top-corrosion electrochemical testing device in high-temperature and high-pressure environments
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  • Top-corrosion electrochemical testing device in high-temperature and high-pressure environments

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Embodiment Construction

[0013] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0014] The invention provides an electrochemical test device for top corrosion under high temperature and high pressure environment, the device includes a high temperature and high pressure reaction kettle, a heating and heat preservation system, a circulating condensed water tank cooling system, a three-electrode system 11, a working electrode signal conduction path, an external control box, an external Gas supply system and computer; high-temperature and high-pressure reaction kettle includes autoclave cover 25, kettle handle 20, autoclave body 7, safety valve 14, pressure indicator 15, pressure sensor, air inlet 17 and air outlet 5, and the heating and heat preservation system includes Thermocouple 1 8, thermocouple 2 10 and temperature sensor, the coo...

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Abstract

The invention provides a top-corrosion electrochemical testing device in high-temperature and high-pressure environments, belongs to the field of corrosive electrochemistry, and is suitable for top-corrosion simulation experiments and corrosion behavior mechanism research in high-temperature and high-pressure working conditions. The top-corrosion electrochemical testing device comprises a high-temperature and high-pressure reaction kettle, a heating and heat preservation system, a circulating condensate water tank refrigerating system, a three-electrode system, a signal conduction pathway, a control box, an external air supply system and a computer. The device has the advantages that actual high-temperature and high-pressure working conditions can be achieved; top-corrosion in-situ electrochemical signal testing can be carried out; and the method is of great significance on mechanism research on high-temperature and high-pressure top-corrosion behaviors and electrochemical reaction.

Description

technical field [0001] The invention relates to the field of corrosion electrochemistry, in particular to a top corrosion electrochemical testing device under high temperature and high pressure environment. Background technique [0002] In recent years, with the increasing development of oil and gas fields, many failure accidents have occurred in pipelines transporting oil and gas, and top corrosion is an important part of them. Therefore, research on electrochemical in-situ testing of top corrosion under high temperature and high pressure conditions has also attracted much attention. . So far, there is no electrochemical corrosion equipment for studying the wet top of pipeline steel, and the present invention is a comparatively advanced equipment in this respect. In the process of oil and gas industrial exploitation and transportation, the corrosive media mainly involved include CO 2 Such acid gases and water and some organic acids contained in it. Carrying out high temp...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N17/02
Inventor 许立宁路民旭赵书振肖晖杨阳张玉楠吝彭彭朱诗俊
Owner UNIV OF SCI & TECH BEIJING
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