Electrochemical parameter automatic detection apparatus of high-temperature high-pressure reactor
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An automatic detection device, high temperature and high pressure technology, applied in the field of electrochemistry, can solve problems such as incomplete experimental data and errors, and achieve the effects of complete and accurate measurement data, easy operation, and safe structure
Inactive Publication Date: 2009-03-25
UNIV OF SCI & TECH BEIJING
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[0005] The purpose of the present invention is to solve the incompleteness of the experimental data and the errors caused by the different experimental systems caused by the separate experiments of the original high-temperature and high-pressure reactor and the electrochemical device. The measurement and analysis of parameters realizes dynamic online detection, obtains complete data of electrochemical parameters of experimental samples under longer corrosion time, and realizes automatic measurement of multiple samples in an unmanned state in the measurement of the original three-electrode system
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Embodiment 1
[0019] Embodiment 1: install the high-temperature and high-pressure reactor to carry out the electrochemical test (three working electrodes) under the unmanned state of the three-electrode system
[0020] 1. Connect the reference electrode 11, the auxiliary electrode 10, and the three working electrodes 12 to the wires at the bottom of the wire fixing bolts 8 and seal them with epoxy resin.
[0021] 2. Fix the wire fixing bolt 8 to the bottom of the reactor cover 7, and install each electrode on the electrode fixing mold 9 inside the reactor cavity 1, according to figure 2 Position shown is correct.
[0022] 3. Install the cover body 7, and carefully place the cover body 7 on the kettle body according to the fixed position. When tightening the main nut, tighten it diagonally and symmetrically for several times gradually. Use even force to achieve a good seal.
[0023] 4. Connect all the wires, including the power wire, the electric furnace wire between the controller and t...
Embodiment 2
[0026] Example 2: Installing a high-temperature and high-pressure reactor to measure the linear polarization resistance of the same electrode system in an unmanned state
[0027] 1. Connect the three working electrodes 12 to the wires at the bottom of the wire fixing bolts 8 and seal them with epoxy resin.
[0028] 2. Fix the wire fixing bolt 8 to the bottom of the reactor cover 7, and install the three working electrodes 12 on the electrode fixing mold 9 inside the reactor cavity 1, according to figure 2 Position shown is correct. At this time, the auxiliary electrode 11 and the reference electrode 10 are not installed.
[0029] 3. Install the cover body 7, and carefully place the cover body 7 on the kettle body according to the fixed position. When tightening the main nut, tighten it diagonally and symmetrically for several times gradually. Use even force to achieve a good seal.
[0030] 4. Connect all the wires, including the power wire, the electric furnace wire betwe...
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Abstract
The invention relates to a device for automatically detecting electrochemical parameters of a high-temperature high-pressure reaction kettle, which belongs to the electrochemistry field. The device relates to an in situ measurement technique of electrochemical reaction, can realize the measurement of the electrochemical parameters on a plurality of working electrodes for a long time, and realize unmanned timing automatic detecting function. A method comprises the following steps: according to design requirements and measurement requirement, fixing a Ag/AgCl reference electrode, an auxiliary electrode and the working electrode in a fixed mould of the high-temperature high-pressure reaction kettle; and fixing a bolt of the needed core at the bottom of the reaction kettle according to the experiment requirement, assembling the cover body part of the reaction kettle, connecting each conducting wire and an electrochemical work station, and connecting the electrodes and terminals of a converter; setting the rotating time of a step electrode, and carrying out measurement after the increased temperature and pressure reach the required parameters. The method of the testing device is simple and practicable, the needed raw materials and the material have low cost and are easy to obtain, and the method has universal adaptability to testers needing to carry out in situ electrochemical measurement for a long time and increases effective working time of the testers greatly.
Description
technical field [0001] The invention belongs to the field of electrochemistry, and relates to electrochemical in-situ automatic detection of high-temperature and high-pressure reactors, especially the measurement of electrochemical parameters of multiple experimental samples in high-temperature and high-pressure reactors under long-term unmanned conditions Background technique [0002] The high-temperature and high-pressure reaction kettle involved in the present invention is mainly for experimenters to simulate an ideal experimental environment required for electrochemical experiment measurement. Traditional high-temperature and high-pressure reactors have not considered the use of electrochemical means for in-situ on-line measurement technology due to their high pressure and high temperature. In fact, on-line measurement technology can better track changes in the electrochemical characteristics of experimental samples, especially Under the conditions of longer corrosion ti...
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