Pen-type potential-chloride ion sensor
A chloride ion sensor and chloride ion technology, applied in instruments, scientific instruments, and material analysis through electromagnetic means, can solve problems such as stripping, difficult detection and evaluation, and achieve accurate judgment, convenient on-site application, and convenient operation.
Inactive Publication Date: 2013-05-01
SUZHOU NUCLEAR POWER RES INST +2
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Problems solved by technology
[0003]Currently, industrial sites are specially used to judge metal surface corrosion status and environmental detection methods are few, generally only through the apparent state of metal corrosion, or through coupons The test judges the state and rate of equipment corrosion, and the corrosion environment monitoring method is basically separated from the metal corrosion state, so it is difficult to detect and judge at the same time
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[0013] Below in conjunction with the embodiment shown in the accompanying drawings, the present invention is described in detail as follows:
[0014] as attached figure 1 As shown, a pen type potential-chloride ion sensor comprises an outer shell 1 having a first end 11 and a second end 12, a potential test electrode 2 and a chloride ion test electrode 3 arranged side by side in the outer shell 1, The potential test electrode 2 and the chloride ion test electrode 3 are sealed and positioned in the outer casing 1 through the first sealing plug 4 and the second sealing plug 5 respectively located at the first end 11 and the second end 12, and the second sealing plug 5 An outer lead wire 6 is provided, and the outer lead wire 6 is connected to the potential test electrode 2 and the chloride ion test electrode 3 respectively; the end of the casing provided with the first sealing plug 4 is provided with an electrode sheath 7 to protect the electrode test head , the sensor has...
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The invention discloses a pen-type potential-chloride ion sensor, which is connected at the back of a data acquisition system and is used for detecting corrosion potential and chloride ion concentration of a corroded workpiece. The sensor comprises a casing provided with a first end part and a second end part, as well as a potential testing electrode and a chloride ion testing electrode, which are parallelly positioned in the casing in a sealing manner through a first sealing plug and a second sealing plug arranged at the first end part and the second end part respectively, wherein an outer lead is arranged on the second sealing plug and is connected with the potential testing electrode and the chloride ion testing electrode respectively. The sensor is used for directly detecting the metal surface corrosion state and the surface chloride ion content; functions of testing the potential and the chloride ion concentration are fused for application, and detection and judges are proceeded simultaneously; the metal surface corrosion state and the environment are detected simultaneously and confirmed mutually, therefore the metal surface corrosion state can be determined more accurately, and the corrosion developing speed can be predicted; the sensor is portable, convenient to operate and practical, and facilitates field application due to the pen-type structure.
Description
technical field [0001] The invention relates to a pen type potential-chloride ion sensor. Background technique [0002] The corrosion monitoring system in various environments in the prior art involves corrosion sensors for various monitoring items, because the corrosion and corrosion conditions will be affected by many aspects such as temperature, salinity, pH value, flow rate, pressure, conductivity, solution oxygen, etc. Due to the influence of environmental factors, the existing sensors should consider a variety of test factors according to the needs of the site, and design multi-functional special sensors. [0003] At present, there are few methods of industrial site to judge the corrosion status of metal surface and environmental detection. Generally, only the apparent state of the metal after corrosion or the coupon test can be used to judge the state and rate of equipment corrosion, while the corrosion environment monitoring means are basically It is difficult to de...
Claims
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IPC IPC(8): G01N27/00
Inventor 林斌郭志刘爽林泽泉张磊韩留红高玉柱
Owner SUZHOU NUCLEAR POWER RES INST