CN104807966A - Residual intensity and residual life computing method for pipe gallery pipelines - Google Patents
Residual intensity and residual life computing method for pipe gallery pipelines Download PDFInfo
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Abstract
The invention discloses a residual intensity and residual life computing method for pipe gallery pipelines. The residual intensity and residual life computing method comprises the following steps: collecting the data information of defects of the pipe gallery pipelines; judging the defects are plane type defects or volume type defects; for the plane type defects, obtaining the engineering stress-strain curve of a defect pipeline material from the data information of the defects of the pipe gallery pipelines, determining a failure assessment diagram, and then computing assessment points to obtain the residual intensity of the pipe gallery pipelines; for the volume type defects, obtaining the design factors, the weld joint factors and the minimum measurement wall thickness from the data information of the defects of the pipe gallery pipelines, and obtaining the residual intensity of the pipe gallery pipelines through computing; computing basic numerical values according to the data information of the defects of the pipe gallery pipelines, and computing the residual lives of the pipe gallery pipelines according to a maximum value distribution probability density function, a reliability function, maximum corrosion depth point estimation and maximum likelihood estimation. Therefore, the residual intensity and residual lives of the pipelines in a pipe gallery area are effectively and accurately computed and predicted.
Description
Technical field
The present invention relates to piping lane pipeline field, particularly relate to the residual intensity of piping lane pipeline, Life Calculating Methods.
Background technology
Piping lane defect of pipeline type is divided into planar defect and volume flaw by geometric configuration.In-service piping lane pipeline is carried out to the prediction and calculation in residual intensity and life-span, obtain piping lane pipeline relevant information in advance, effectively can reduce accident rate, ensure pipe safety Effec-tive Function.
At present, defect tracking residual intensity calculate domestic and international method therefor and the standard followed different.
External substantial residual strength criterion: ASME B31G " Remaining Strength of Corroded Pipeline handbook " (ASME), based on the elastic-plastic fracture mechanics of Medium and low intensity material, have studied the expansion mechanism of planar defect, failure mode and defect estimation method, and propose the Residual Strength Assessment formula calculating corrosion pipeline.API RP579-2000 " in-service applicability criterion " (American Petroleum Institute), adopts FAD Failure Assessment figure to evaluate.DNV RP-F101 (should gas company and Det Norske Veritas (DNV)), mainly contain two parts composition, Part A ness safe coefficient method and Part B permissible stress method, ness safe coefficient method employs probability update equation ness safe coefficient to determine the on-stream pressure allowable of corrosion pipeline; Permissible stress method is the Intensity Design coefficient being multiplied by pipeline after the failure pressure according to permissible stress design (ASD) criterion calculation corrosion default again.
Domestic substantial residual strength criterion: SY/T 6477-2000 " containing defect pipe-line Estimate Method for Residual Strength part 1: volume flaw ", being applicable to pipeline material is ductility, be in operation and embrittlement can not occur, and pipeline does not comprise crack-type defect; SY/T 0087.1-2006 " steel pipe and Corrosion of Tanks evaluation criterion buried steel pipeline corrode direct evaluation outward ", is only applicable to volume type corrosion default, is not suitable for crack-type defect.The evaluation of residue minimum wall thickness (MINI W.), dangerouse cross-section evaluation and residual strength is divided into evaluate three parts.
The method of pipeline residual life evaluation mainly comprises corrosive pipeline information entropy life estimating method, ANN, pipeline probability statistics Forecasting Methodology etc.
Based on above-mentioned basic technology, designing new effective prediction and calculation method of in-service piping lane pipeline being carried out to residual intensity and life-span, is the direction that those skilled in the art make great efforts.
Summary of the invention
The object of the invention is to a kind of piping lane pipeline residual intensity and residual Life Calculation method, calculate effectively and accurately and predict residual intensity and the residual life of piping lane zone duct.
The technical scheme realizing above-mentioned purpose is:
A kind of piping lane pipeline residual intensity and residual Life Calculation method, comprising:
Collect piping lane defect of pipeline data message;
Judgement is planar defect or volume flaw;
For planar defect, from piping lane defect of pipeline data message, obtain the engineering stress-strain curve of defect tracking material, determine Failure Assessment figure, then calculate evaluation point, obtain the residual intensity of piping lane pipeline;
For volume flaw, from piping lane defect of pipeline data message, obtain design ratio, weld joint factor and minimum wall-thickness measurement, by calculating the residual intensity of piping lane pipeline;
Calculate basic numerical value according to piping lane defect of pipeline data message, according to Extreme maximum distribution probability density function, Reliability Function, maximum corrosion depth point estimation Sum Maximum Likelihood Estimate, calculate the residual life of piping lane pipeline.
In above-mentioned piping lane pipeline residual intensity and residual Life Calculation method, described piping lane defect of pipeline data message, comprising: basic duct size information, pipeline configuration and performance parameter, to weld and temperature affects, the crack form of tubing stress-strain relation and defect.
In above-mentioned piping lane pipeline residual intensity and residual Life Calculation method, described planar defect residual intensity calculates, and comprising:
According to piping lane defect of pipeline data message, judge whether the engineering stress-strain curve that directly can obtain defect tracking material;
If so, Failure Assessment figure is determined;
If not, adopt the stress-strain curve of same specification material, the using degree limit, elastic modulus try to achieve the engineering stress-strain curve of defect tracking material;
Calculate evaluation point, obtain the residual intensity of piping lane pipeline.
In above-mentioned piping lane pipeline residual intensity and residual Life Calculation method, described volume flaw residual intensity calculates, and comprising:
From piping lane defect of pipeline data message, obtain design ratio, weld joint factor and minimum wall-thickness measurement, calculate axial force and moment of flexure;
Axial force and calculation of Bending Moment is utilized to obtain the pipe wall thickness of hoop minimum wall thickness (MINI W.), its maximum allowable working pressure and bearing load increase;
The pipe wall thickness utilizing hoop minimum wall thickness (MINI W.), its maximum allowable working pressure and bearing load to increase calculates radial minimum wall thickness (MINI W.) and maximum allowable working pressure thereof;
Utilize radial minimum wall thickness (MINI W.) and maximum allowable working pressure thereof to calculate and minimumly require wall thickness and maximum allowable working pressure thereof;
Utilize minimum require wall thickness and maximum allowable working pressure calculate residual wall thickness than and housing parameter;
Utilize residual wall thickness ratio and housing parameter to judge axially acceptable with hoop flaw size, obtain the residual intensity of piping lane pipeline.
In above-mentioned piping lane pipeline residual intensity and residual Life Calculation method, the residual Life Calculation of described piping lane pipeline, comprising:
Basic numerical value is calculated according to piping lane defect of pipeline data message;
According to basic numerical value, utilize Extreme maximum distribution probability density function and Reliability Function, calculate and obtain dimensional parameters and location parameter;
According to dimensional parameters and location parameter, set up fiduciary level and pressure pipeline corrodes Q-percentile life relation curve, and analyze the point estimation obtaining maximum corrosion depth;
Under 90% degree of confidence, again Maximum-likelihood estimation is carried out to maximum corrosion depth;
Corrode Q-percentile life relation according to fiduciary level and pressure pipeline, draw the residual life time limit.
In above-mentioned piping lane pipeline residual intensity and residual Life Calculation method, described basic numerical value comprises: maximum corrosion depth, average, standard deviation, corrosion allowance, corrosion rate and the coefficient of variation.
The invention has the beneficial effects as follows: the present invention will combine with fitness-for-service assessment method by Safety Assessment Methods qualitatively, achieve qualitative judgement piping lane pipeline on the one hand and whether be in safety zone, then achieve quantitative engineering judgment on the other hand, not only easy and simple to handle, without the need to overspending manpower and materials, and can Data support be provided, obtain the relational structural information of piping lane pipeline, in-service piping lane pipeline is carried out to the prediction and calculation in residual intensity and life-span, obtain piping lane pipeline relevant information in advance, reduce accident rate, ensure pipe safety Effec-tive Function.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of piping lane pipeline residual intensity of the present invention and residual Life Calculation method;
Fig. 2 is the process flow diagram that planar-type defect residual intensity of the present invention calculates;
Fig. 3 is the process flow diagram that in the present invention, volume flaw residual intensity calculates;
Fig. 4 is the process flow diagram of piping lane pipeline residual Life Calculation in the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1, piping lane pipeline residual intensity of the present invention and residual Life Calculation method, comprise the following steps:
Step S1, collects piping lane defect of pipeline data message, comprising: basic duct size information, pipeline configuration and performance parameter, to weld and the multi-aspect information such as temperature affects, the crack form of tubing stress-strain relation and defect.
Step S2, judgement is planar defect or volume flaw, if planar defect, performs step S3; If volume flaw, perform step S4;
Step S3, for planar defect, obtains the engineering stress-strain curve of defect tracking material, determines Failure Assessment figure from piping lane defect of pipeline data message, then calculates evaluation point, obtains the residual intensity of piping lane pipeline.Particularly, refer to Fig. 2, comprising:
Step S31, according to piping lane defect of pipeline data message, judges whether the engineering stress-strain curve that directly can obtain defect tracking material; If so, step S33 is performed; If not, step S32 is performed.
Step S32, adopt the stress-strain curve of same specification material, the using degree limit, elastic modulus try to achieve the engineering stress-strain curve of defect tracking material.
Step S33, determines Failure Assessment figure.
Step S34, calculates evaluation point, obtains the residual intensity of piping lane pipeline.
Step S4, for volume flaw, obtains design ratio, weld joint factor and minimum wall-thickness measurement, by calculating the residual intensity of piping lane pipeline from piping lane defect of pipeline data message.Particularly, refer to Fig. 3, comprising:
Step S41, obtains design ratio, weld joint factor and minimum wall-thickness measurement, calculates axial force and moment of flexure from piping lane defect of pipeline data message.
Step S42, utilizes axial force and calculation of Bending Moment to obtain the pipe wall thickness of hoop minimum wall thickness (MINI W.), its maximum allowable working pressure and bearing load increase.
Step S43, the pipe wall thickness utilizing hoop minimum wall thickness (MINI W.), its maximum allowable working pressure and bearing load to increase calculates radial minimum wall thickness (MINI W.) and maximum allowable working pressure thereof.
Step S44, utilizes radial minimum wall thickness (MINI W.) and maximum allowable working pressure thereof to calculate and minimumly requires wall thickness and maximum allowable working pressure thereof.
Step S45, utilize minimum require wall thickness and maximum allowable working pressure thereof calculate residual wall thickness than and housing parameter.
Step S46, utilizes residual wall thickness ratio and housing parameter to judge axially acceptable with hoop flaw size, obtains the residual intensity of piping lane pipeline.
Step S5, calculates basic numerical value according to piping lane defect of pipeline data message, according to Extreme maximum distribution probability density function, Reliability Function, maximum corrosion depth point estimation Sum Maximum Likelihood Estimate, calculates the residual life of piping lane pipeline.Particularly, refer to Fig. 4, comprising:
Step S51, calculates basic numerical value according to piping lane defect of pipeline data message, comprising: maximum corrosion depth, average, standard deviation, corrosion allowance, corrosion rate and the coefficient of variation.
Step S52, according to basic numerical value, utilizes Extreme maximum distribution probability density function and Reliability Function, calculates and obtains dimensional parameters and location parameter.
Step S53, according to dimensional parameters and location parameter, sets up fiduciary level and pressure pipeline corrodes Q-percentile life relation curve, and analyzes the point estimation obtaining maximum corrosion depth.
Step S54, under 90% degree of confidence, carries out Maximum-likelihood estimation again to maximum corrosion depth.
Step S55, corrodes Q-percentile life relation according to fiduciary level and pressure pipeline, draws the residual life time limit.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (6)
1. piping lane pipeline residual intensity and a residual Life Calculation method, is characterized in that, comprising:
Collect piping lane defect of pipeline data message;
Judgement is planar defect or volume flaw;
For planar defect, from piping lane defect of pipeline data message, obtain the engineering stress-strain curve of defect tracking material, determine Failure Assessment figure, then calculate evaluation point, obtain the residual intensity of piping lane pipeline;
For volume flaw, from piping lane defect of pipeline data message, obtain design ratio, weld joint factor and minimum wall-thickness measurement, by calculating the residual intensity of piping lane pipeline;
Calculate basic numerical value according to piping lane defect of pipeline data message, according to Extreme maximum distribution probability density function, Reliability Function, maximum corrosion depth point estimation Sum Maximum Likelihood Estimate, calculate the residual life of piping lane pipeline.
2. piping lane pipeline residual intensity according to claim 1 and residual Life Calculation method, it is characterized in that, described piping lane defect of pipeline data message, comprising: basic duct size information, pipeline configuration and performance parameter, to weld and temperature affects, the crack form of tubing stress-strain relation and defect.
3. piping lane pipeline residual intensity according to claim 1 and residual Life Calculation method, is characterized in that, described planar defect residual intensity calculates, and comprising:
According to piping lane defect of pipeline data message, judge whether the engineering stress-strain curve that directly can obtain defect tracking material;
If so, Failure Assessment figure is determined;
If not, adopt the stress-strain curve of same specification material, the using degree limit, elastic modulus try to achieve the engineering stress-strain curve of defect tracking material;
Calculate evaluation point, obtain the residual intensity of piping lane pipeline.
4. piping lane pipeline residual intensity according to claim 1 and residual Life Calculation method, is characterized in that, described volume flaw residual intensity calculates, and comprising:
From piping lane defect of pipeline data message, obtain design ratio, weld joint factor and minimum wall-thickness measurement, calculate axial force and moment of flexure;
Axial force and calculation of Bending Moment is utilized to obtain the pipe wall thickness of hoop minimum wall thickness (MINI W.), its maximum allowable working pressure and bearing load increase;
The pipe wall thickness utilizing hoop minimum wall thickness (MINI W.), its maximum allowable working pressure and bearing load to increase calculates radial minimum wall thickness (MINI W.) and maximum allowable working pressure thereof;
Utilize radial minimum wall thickness (MINI W.) and maximum allowable working pressure thereof to calculate and minimumly require wall thickness and maximum allowable working pressure thereof;
Utilize minimum require wall thickness and maximum allowable working pressure thereof calculate residual wall thickness than and housing parameter;
Utilize residual wall thickness ratio and housing parameter to judge axially acceptable with hoop flaw size, obtain the residual intensity of piping lane pipeline.
5. piping lane pipeline residual intensity according to claim 1 and residual Life Calculation method, is characterized in that, the residual Life Calculation of described piping lane pipeline, comprising:
Basic numerical value is calculated according to piping lane defect of pipeline data message;
According to basic numerical value, utilize Extreme maximum distribution probability density function and Reliability Function, calculate and obtain dimensional parameters and location parameter;
According to dimensional parameters and location parameter, set up fiduciary level and pressure pipeline corrodes Q-percentile life relation curve, and analyze the point estimation obtaining maximum corrosion depth;
Under 90% degree of confidence, again Maximum-likelihood estimation is carried out to maximum corrosion depth;
Corrode Q-percentile life relation according to fiduciary level and pressure pipeline, draw the residual life time limit.
6. piping lane pipeline residual intensity and residual Life Calculation method according to claim 1 or 5, it is characterized in that, described basic numerical value comprises: maximum corrosion depth, average, standard deviation, corrosion allowance, corrosion rate and the coefficient of variation.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107451394A (en) * | 2017-06-29 | 2017-12-08 | 中国石油天然气集团公司 | Evaluation method for X80 pipeline girth weld crack-type defect residual intensities |
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| CN111398554A (en) * | 2018-12-17 | 2020-07-10 | 中国石油天然气股份有限公司 | Method and device for determining residual service life of metal pipeline |
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| CN113626970A (en) * | 2020-05-08 | 2021-11-09 | 上海化学工业区公共管廊有限公司 | Method and system for evaluating corrosion residual life of common pipe gallery pipeline |
| CN113762651A (en) * | 2020-05-28 | 2021-12-07 | 中国石油天然气股份有限公司 | Residual strength evaluation method of wellhead device |
| CN114428021A (en) * | 2022-01-14 | 2022-05-03 | 国家石油天然气管网集团有限公司 | Evaluation method for residual strength of crack defects of mountain pipeline |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110263364B (en) * | 2019-05-05 | 2020-08-25 | 四川大学 | Oil and gas pipeline corrosion defect residual strength algorithm considering attenuation time-varying property |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509855A (en) * | 2009-03-17 | 2009-08-19 | 华东理工大学 | On-line prediction method for high-temperature pipe damage and longevity |
| CN102156089A (en) * | 2011-01-18 | 2011-08-17 | 中国石油天然气股份有限公司 | Method for evaluating corrosion in buried pipeline |
| CN102955880A (en) * | 2012-10-24 | 2013-03-06 | 天津亿利科能源科技发展股份有限公司 | Finite element-based intelligent analysis method for strength of pipeline with defects |
| CN103076391A (en) * | 2011-07-19 | 2013-05-01 | 上海宝钢工业检测公司 | Quantitative detection method for local corrosion of metal pipeline |
| CN103134747A (en) * | 2013-01-29 | 2013-06-05 | 中国石油天然气集团公司 | Prediction method for corrosion residual life of overground medium and low pressure gas galvanized pipe |
| RU2536783C1 (en) * | 2013-08-06 | 2014-12-27 | Открытое акционерное общество "Гипрогазцентр" | Method of determining operating life of metal of pipeline |
| CN104462806A (en) * | 2014-12-02 | 2015-03-25 | 中国石油天然气集团公司 | Non-metallic pipe life prediction method |
-
2015
- 2015-04-30 CN CN201510218724.8A patent/CN104807966B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509855A (en) * | 2009-03-17 | 2009-08-19 | 华东理工大学 | On-line prediction method for high-temperature pipe damage and longevity |
| CN102156089A (en) * | 2011-01-18 | 2011-08-17 | 中国石油天然气股份有限公司 | Method for evaluating corrosion in buried pipeline |
| CN103076391A (en) * | 2011-07-19 | 2013-05-01 | 上海宝钢工业检测公司 | Quantitative detection method for local corrosion of metal pipeline |
| CN102955880A (en) * | 2012-10-24 | 2013-03-06 | 天津亿利科能源科技发展股份有限公司 | Finite element-based intelligent analysis method for strength of pipeline with defects |
| CN103134747A (en) * | 2013-01-29 | 2013-06-05 | 中国石油天然气集团公司 | Prediction method for corrosion residual life of overground medium and low pressure gas galvanized pipe |
| RU2536783C1 (en) * | 2013-08-06 | 2014-12-27 | Открытое акционерное общество "Гипрогазцентр" | Method of determining operating life of metal of pipeline |
| CN104462806A (en) * | 2014-12-02 | 2015-03-25 | 中国石油天然气集团公司 | Non-metallic pipe life prediction method |
Non-Patent Citations (3)
| Title |
|---|
| 刘小宁: "钢制压力容器与管道腐蚀剩余寿命可靠性预测", 《石油机械》 * |
| 吴燕: "油气管道腐蚀直接评价方法研究", 《中国优秀博硕士学位论文全文数据库 (硕士)》 * |
| 李淑欣: "油气长输管道剩余强度评价研究", 《中国优秀博硕士学位论文全文数据库 (硕士)》 * |
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