Chemical industry equipment corrosion monitoring method

A technology for corrosion monitoring and chemical equipment, applied in the field of chemical equipment corrosion monitoring, can solve problems such as the corrosion status of equipment that cannot be intuitively reflected, and achieve the effects of easy real-time unified management, easy digitization, and a wide range of applicable temperatures

Pending Publication Date: 2021-11-12
CHINA SPECIAL EQUIP INSPECTION & RES INST
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  • Abstract
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Problems solved by technology

However, whether it is a corrosion coupon or a corrosion probe, the monitoring of corrosion is more for the monitoring of the corrosive environment, and cannot intuitively reflect the corrosion status of the equipment

Method used

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  • Chemical industry equipment corrosion monitoring method
  • Chemical industry equipment corrosion monitoring method
  • Chemical industry equipment corrosion monitoring method

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Embodiment Construction

[0046] The technical solutions in the embodiments of the present invention will be clearly and completely described below, obviously, the described embodiments are only some of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between the various components in a certain posture , if the specific posture changes, the directional indication also changes accordingly.

[0048]In addition, in the present invention, descriptions such as "first", "second" and so on are used for description purposes only, and should not be ...

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Abstract

The invention relates to the technical field of equipment corrosion monitoring, and particularly discloses a chemical industry equipment corrosion monitoring method, which comprises the following steps: acquiring corrosion rates C by adopting n different methods, and determining confidence and effectiveness corresponding to each corrosion rate C at the same time, wherein each corrosion rate C corresponds to n corrosion damage states, and n is a positive integer; calculating the posterior probability of corrosion damage according to the prior probability of the corrosion damage state and the condition inspection probability, and determining the final probability POFthin; and calculating a thinning damage factor according to POFthin, grading corrosion according to the size of the thinning damage factor, and carrying out corrosion early warning based on a grading result.

Description

technical field [0001] The invention relates to the technical field of equipment corrosion monitoring, and specifically discloses a chemical equipment corrosion monitoring method. Background technique [0002] Corrosion is one of the important reasons for the failure of petrochemical equipment. Regular thickness inspection of petrochemical equipment is the most common method to prevent equipment corrosion failure. Thickness inspection is usually carried out every 3-6 years. In order to detect the corrosion of equipment in time, only a few key parts are inspected every 1-12 months. However, each detection site is different, and the thickness measurement data has a serious lag compared with corrosion, which cannot accurately reflect the corrosion situation and corrosion law. The thickness detection is also affected by environmental factors such as equipment temperature. In addition, there are many reasons for corrosion and usually multiple reasons are coupled, which makes the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N17/00G01D21/02G06N3/08G06Q10/04G06Q50/04G16C20/10G16C20/70G16C20/90
CPCG01N17/00G01D21/02G16C20/10G16C20/70G16C20/90G06N3/084G06Q10/04G06Q50/04Y02P90/30
Inventor 张国晋程永航赵文静闫河
Owner CHINA SPECIAL EQUIP INSPECTION & RES INST
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