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On-line atmospheric corrosion measuring device

A measuring device, atmospheric corrosion technology, applied in the direction of measuring device, weather resistance/light resistance/corrosion resistance, instruments, etc., can solve the problems of complicated operation and low measurement accuracy, and achieves easy operation, simple and convenient manufacturing process, and high cost reduction. Effect of Impedance Electrolyte Influence

Active Publication Date: 2015-11-04
CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG +1
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is the problem of low measurement accuracy and complicated operation in the prior art, and a new online measurement device for atmospheric corrosion is provided

Method used

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Embodiment 1

[0023] An atmospheric corrosion online measuring device, such as Figure 1 ~ Figure 3 As shown, it includes epoxy cement, four electrode groups and lead wires. Each electrode group is composed of a working electrode with a lead wire, a counter electrode and a reference electrode. All electrode groups are encapsulated in epoxy cement as a whole. It is in the shape of a ring, the working electrode passes through the center of the ring and is insulated, the section of the working electrode is circular, and there is a hole in the center of the circle, and the reference electrode passes through the hole and is insulated.

[0024] Clean the working electrode, counter electrode and reference electrode with acetone first, then wash the surface with distilled water, wipe with absolute ethanol and blow dry.

[0025] Insert a capillary tube into the middle hole of the working electrode. The diameter of the glass tube should be larger than that of the reference electrode. The reference el...

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PUM

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Abstract

The invention relates to an on-line atmospheric corrosion measuring device which mainly solves the problems that in the prior art, the measurement accuracy is low and operation is complex. The on-line atmospheric corrosion measuring device comprises epoxy resin daub, at least one electrode set and lead wires; each electrode set is composed of a work electrode with the lead wire, a counter electrode and a reference electrode, and all the electrode sets are entirely packed in the epoxy resin daub; the section of each counter electrode is in the shape of a circular ring, the work electrodes penetrate through the center of the circular rings and are insulated, and the section of each work electrode is in the shape of a circle, wherein a hole is formed in the center of the circle; the reference electrodes penetrate through the holes and are insulated. According to the technical scheme, the problems are well solved, and the device can be applied in on-line atmospheric corrosion measuring.

Description

technical field [0001] The invention relates to an online measurement device for atmospheric corrosion. Background technique [0002] All countries in the world attach great importance to the corrosion monitoring of metal materials. For example, in the 1980s, the British North Sea Oilfield actively carried out marine corrosion environment measurement to evaluate its corrosion ability. Therefore, corrosion monitoring is widely used in countries all over the world. Studies have shown that in the natural environment, more than 50% of corrosion damage is caused by atmospheric corrosion. In the United States, atmospheric corrosion can cause huge economic losses of more than 138 billion U.S. dollars per year, which shows the severity of atmospheric corrosion damage. [0003] It is very important to study advanced online atmospheric corrosion monitoring technology, so as to realize long-term, rapid, continuous and real on-site monitoring of corroded materials. In terms of atmos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N17/02
Inventor 程庆利张卫华陶彬郎需庆张玉平
Owner CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG
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