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Corrosion grading method for oil refining and chemical engineering equipment/pipelines

A technology of refining, chemical and grading methods, applied in design optimization/simulation, data processing applications, special data processing applications, etc., can solve problems such as untargeted grading methods, deviation of risk grading results, lack of data support, etc.

Pending Publication Date: 2021-09-14
北京安泰信科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the complex production process of each refining and chemical plant and the different process conditions between each unit, there are many types of corrosive impurities in the production equipment and pipelines, forming various corrosion environments; and due to the complex and changeable corrosion mechanism With the existence of factors influencing corrosion and corrosion, coupled with the continuous extension of the operation period of the equipment, corrosion has gradually become the main bottleneck restricting the safe and stable operation of refining and chemical equipment.
[0003] At present, the equipment classification management strategy is one of the equipment management methods commonly used by domestic and foreign refining and chemical enterprises, but for the management of equipment / pipeline corrosion, there is no targeted classification method, and the RBI risk matrix is ​​still widely used, focusing on the possibility of corrosion failure and failure consequences
However, the possibility of corrosion failure mainly depends on personal subjective judgment, lack of reliable data support, resulting in large deviations in risk classification results, and cannot effectively guide the equipment anti-corrosion management of refining and chemical units

Method used

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  • Corrosion grading method for oil refining and chemical engineering equipment/pipelines

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Embodiment 1

[0046] Such as figure 1 As shown, the corrosion classification method for refining and chemical plant equipment / pipelines described in the present invention, taking the equipment corrosion risk classification technology of coal gas plant as an example, includes the following steps:

[0047]S1: Formulation of value assignment strategy based on corrosion damage model: According to experimental research theory, historical detection records, failure accident statistics, etc., combined with corrosion-related international standards and industry standards, formulate a corrosion damage model based on Variation) corrosion risk assignment strategy;

[0048] S11: Thinning damage mechanism: The corrosion risk value assignment strategy is formulated with reference to the Chinese Metal Corrosion Resistance Level 4 Standard and Sinopec Process Anticorrosion Management Regulations;

[0049] S12: Cracking damage mechanism: the corrosion risk value assignment strategy is formulated with refe...

Embodiment 2

[0065] Taking the corrosion risk assignment and grade assessment process based on the corrosion circuit of a coal-to-gas plant in a refinery and chemical enterprise as an example, the establishment of the assignment strategy, the implementation of the RoC assignment, and the total value of the corrosion risk RoC 总 Accounting and corrosion risk rating process description;

[0066] S1: Formulation of value assignment strategy based on corrosion damage model: According to experimental research theory, historical detection records, failure accident statistics, etc., combined with corrosion-related international standards and industry standards, formulate a corrosion damage model based on Variation) corrosion risk assignment strategy;

[0067] S11: Thinning damage mechanism: The corrosion risk value assignment strategy is formulated with reference to the Chinese Metal Corrosion Resistance Level 4 Standard and Sinopec Process Anticorrosion Management Regulations;

[0068] S12: Crac...

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Abstract

The invention relates to a corrosion grading method for oil refining and chemical engineering equipment / pipelines, which is suitable for the field of corrosion control management in the oil refining and chemical engineering industry. The method comprises the following steps: S1, formulating a corrosion risk assignment strategy based on a corrosion damage mode according to an experimental research theory, historical detection records and failure accident statistics; S2, carrying out corrosion loop analysis and corrosion mechanism identification on a production device; S3, according to the formulated corrosion risk assignment strategy, performing corrosion risk assignment on different corrosion mechanisms according to a corrosion loop / equipment; S4, calculating the total corrosion risk value of each corrosion loop / equipment; S5, according to the total corrosion risk value, performing corrosion risk grading on all corrosion loops / equipment, identifying main corrosion risk hidden dangers of the production device, and realizing complete corrosion risk grading; and according to a risk grading result, formulating corrosion control measures of different grades for corrosion loops / equipment of different risks, so that the equipment corrosion management efficiency and benefits of enterprises are effectively improved.

Description

technical field [0001] The invention relates to a corrosion grading method for equipment / pipelines of oil refining and chemical equipment, and belongs to the technical field of equipment / pipeline corrosion protection in the oil refining and chemical industry. Background technique [0002] Due to the complex production process of each refining and chemical plant and the different process conditions between each unit, there are many types of corrosive impurities in the production equipment and pipelines, forming various corrosion environments; and due to the complex and changeable corrosion mechanism Due to the existence of corrosion and corrosion factors, coupled with the continuous extension of the operation period of the equipment, corrosion has gradually become the main bottleneck restricting the safe and stable operation of the refining and chemical equipment. [0003] At present, the equipment classification management strategy is one of the equipment management methods ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06K9/62G06F30/20G06F111/10
CPCG06Q10/0635G06Q10/06393G06F30/20G06F2111/10G06F18/24
Inventor 胡洋刘志梅吕玉玺杨骁
Owner 北京安泰信科技有限公司