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Slide-type molten salt electrochemical corrosion measuring device

A measuring device and molten salt technology, applied in the direction of material electrochemical variables, etc., can solve the problems that have not been reported on the molten salt electrochemical corrosion measurement device, and achieve the effect of strong equipment adaptability, simple device structure, and simple structure

Active Publication Date: 2017-11-07
苏州科昂泰材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the electrode structure of molten salt electrochemical corrosion has been introduced in detail in the literature, but there has been no report on the measurement device for molten salt electrochemical corrosion

Method used

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  • Slide-type molten salt electrochemical corrosion measuring device
  • Slide-type molten salt electrochemical corrosion measuring device
  • Slide-type molten salt electrochemical corrosion measuring device

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Embodiment Construction

[0026] The present invention is a sliding cylinder type molten salt electrochemical corrosion measurement device, such as figure 1 , figure 2 , image 3 As shown in the sliding cylinder type molten salt electrochemical corrosion measurement device, the heating furnace cylinder 101 with upper and lower flanges is connected with the upper flange 301 and the lower flange 205 by screws, and the inside of the heating furnace cylinder 101 is from outside to Inside is the side insulation layer 102 and the side refractory layer 103 successively, and the lower refractory block 105 in the center of the side refractory layer 103 is a crucible 601 containing molten salt 602, and the center of the lower flange 205 is connected with a vent pipe 216, the vent pipe The other end of 216 is connected with the vacuum pump 801, and several round holes are evenly distributed on the circumference of the lower flange 205. After the insulating ceramic core 210 passes through the round holes and is ...

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Abstract

The invention provides a sliding barrel type molten salt electrochemical corrosion measurement device and a measurement method and belongs to the field of electrochemical corrosion. The device comprises a heating furnace cylinder which is connected with an upper flange and a lower flange and sealed, and the heating furnace cylinder is internally provided with a U-shaped heating rod; a crucible for containing molten salt is placed at the center of a furnace body, a linear guide groove is designed to be formed in the cylindrical body side wall of the middle of the upper flange, a guide sleeve slides up and down on a sliding cylinder in a cylindrical body, the bottom of the sliding cylinder is provided with an observation window and five hollow screws provided with thermocouples and electrodes, and the electrodes and the thermocouples are connected with an electrochemical detector and a temperature controller. The measurement method includes the steps that firstly, the electrodes and the thermocouples are installed; then, sample placement, vacuumizing, hearth cleaning, heating and experiment atmosphere preparation are sequentially conducted; next, electrochemical measurement is conducted; finally, after the experiment is ended, experiment equipment is cleaned and reset, and data are sorted. The device can be used for measuring multiple electrochemical corrosion parameters in a vacuum atmosphere or other gas atmospheres and is simple in structure and easy and convenient to operate.

Description

technical field [0001] The invention relates to the technical field of molten salt electrochemical corrosion measurement. Background technique [0002] With the development of new energy technologies such as nuclear energy, solar photothermal technology, and fuel cells, molten salts such as nitrates, halides, and carbonates have been widely used as cooling media, heat transfer and phase change heat storage media, and electrolyte materials, respectively. However, as a strong electrolyte, molten salt is highly corrosive to metal pipes and metal container materials. At present, scholars at home and abroad have done a lot of research work to reveal the corrosion mechanism and develop new corrosion-resistant materials. products, and it is expected to reveal the corrosion mechanism, but little progress has been made. [0003] Because molten salt is a strong electrolyte, in recent years, scholars at home and abroad have proposed the use of electrochemical workstations to analyze ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/26
Inventor 王军伟金培鹏马晓艺雷富军严军石占忠许尚忍
Owner 苏州科昂泰材料科技有限公司
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