Annular electrochemical sensor probe

A sensor probe, electrochemical technology, applied in the direction of material electrochemical variables, etc., can solve problems such as the inability to effectively ensure the immediacy and accuracy of nuclear reactor water quality operation indicators

Active Publication Date: 2021-07-30
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, for the water quality indicators (including the monitoring of electrical conductivity) in the high-temperature and high-pressure water chemical system, it is usually measured after sampling, cooling and depressurization treatment. This monitoring method cannot effectively guarantee the immediacy and accuracy of the nuclear reactor water quality operation indicators. characteristics, thus bringing challenges to the effective monitoring and control of nuclear reactor water quality operation

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  • Annular electrochemical sensor probe
  • Annular electrochemical sensor probe

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Embodiment

[0027] Example: An annular electrochemical sensor probe, such as figure 1 and figure 2 As shown, the base 101 and the electrode core are included. The base 101 is facing a transverse airflow hole 102, and the lateral guide hole 102 is disposed with 6 annular grooves 103, and the adjacent annular groove 103 is disposed, and the side surface of the base 101 is provided with the annular groove 103. One corresponds to the communication lead hole 104. In the present embodiment, the electrode core is composed of two symmetric current electrodes, two symmetric voltage electrodes, and two symmetrical temperature sensor electrodes, and the annular electrode 105 corresponds to the ring groove 103, which can be applied. The measurement of conductivity. The number and width of the annular groove 103 can be designed according to the needs. The annular electrode 105 enhances the resistance of the sensor, and when a partial annular electrode 105 is covered by the dirt, the other unscated portion...

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Abstract

The invention discloses an annular electrochemical sensor probe, and relates to the technical field of electrochemical sensors. The annular electrochemical sensor probe is characterized in that the probe comprises a base and an electrode core body; a transverse flow guide hole is formed in the base in a penetrating manner, at least one annular groove is coaxially formed in the transverse flow guide hole, and lead holes in one-to-one correspondence with the annular grooves are formed in the side face of the base; the electrode core body is composed of at least one annular electrode, and the annular electrodes are correspondingly connected with the annular grooves in an embedded mode. According to the electrochemical sensor probe adopted by the invention, the water passing capacity of the sensor during online measurement can be greatly improved, and full exchange of a measured medium is realized, so that quick response and enough spatial resolution are ensured. The electrochemical sensor probe has the advantages of simple structure, good water filling property, high frequency response characteristic, convenience in maintenance, availability under high-temperature and high-pressure conditions, convenience in maintenance and long service life, and can be applied to electrochemical sensors for conductivity, pH, dissolved hydrogen, dissolved oxygen, oxidation-reduction potential and the like.

Description

Technical field [0001] The present invention relates to the technical field of electrochemical sensors, and more particularly, it relates to an annular electrochemical sensor probe. Background technique [0002] Electrochemical sensor measurement technology has been attached great importance to countries around the world, and it is a hot spot in China. Among them, chemical indicators represented by pH, conductivity, dissolved hydrogen, dissolved oxygen, and redox potential are important indicators of the hydration system, and the above-described hydration indicators are measured by corresponding chemical instruments, and is hydration monitoring. The important composition in the system has been widely used in nuclear power plants, thermal power plants, pharmaceuticals, chemicals, metallurgy, environmental protection, water treatment, scientific research. In the water quality monitoring of the nuclear reactive water chemical system, the control of hydration indicators can be achiev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/30
CPCG01N27/30
Inventor 张军平王宏庆姜峨闫晓邱添徐建军乔红威李志明褚力伍康华
Owner NUCLEAR POWER INSTITUTE OF CHINA
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