GB/T 26610.4-2022 English PDFGB/T 26610.4: Historical versions
Basic dataStandard ID: GB/T 26610.4-2022 (GB/T26610.4-2022)Description (Translated English): Guideline for implementation of risk-based inspection of pressure equipment system - Part 4: Quantitative analysis approach of failure likelihood Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J74 Word Count Estimation: 166,147 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 26610.4-2022: Guideline for implementation of risk-based inspection of pressure equipment system - Part 4: Quantitative analysis approach of failure likelihood---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Guideline for implementation of risk-based inspection of pressure equipment system - Part 4.Quantitative analysis approach of failure likelihood ICS 23.020.30 CCSJ74 National Standards of People's Republic of China Replacing GB/T 26610.4-2014 Implementation guide for risk-based inspection of pressure equipment systems Part 4.Methods for Quantitative Analysis of Failure Probability Published on 2022-07-11 2023-02-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III Introduction V 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 1 5 Quantitative analysis of failure probability 2 6 Average failure probability of similar equipment2 7 Management system evaluation coefficient 3 8 Equipment correction factor 4 9 Influence factor of over-standard defect 13 Appendix A (Normative) Failure Probability Calculation Table 15 Appendix B (normative) Management System Evaluation Workbook 18 Appendix C (normative) Thinning sub-factor determination 28 Appendix D (normative) Determination of stress corrosion cracking subfactors 85 Appendix E (normative) High Temperature Hydrogen Corrosion (HTHA) Subfactor Determination 104 Appendix F (normative) Determination of secondary factors of furnace tube damage 107 Appendix G (normative) Determination of Mechanical Fatigue Damage Secondary Factors 116 Appendix H (Normative) Determination of Equipment Lining Failure Subfactors 121 Appendix I (normative) External Damage Subfactor Determination 126 Appendix J (normative) Determination of brittle fracture subfactors 139 Appendix K (normative) Quantitative Analysis of Failure Possibilities of Safety Relief Devices 149 Appendix L (normative) Quantitative Analysis of Failure Probability of Heat Exchanger Tube Bundles 157 Reference 159 forewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document is part 4 of GB/T 26610 "Implementation Guidelines for Risk-Based Inspection of Pressure Equipment Systems". GB/T 26610 has The following sections were published. --- Part 1.Basic requirements and implementation procedures; --- Part 2.Risk-based inspection strategies; --- Part 3.Qualitative analysis methods of risk; --- Part 4.Quantitative analysis method of failure probability; --- Part 5.Quantitative analysis methods for failure consequences. This document replaces GB/T 26610.4-2014 "Implementation Guidelines for Risk-Based Inspection of Pressure Equipment Systems Part 4.Failure Possible Compared with GB/T 26610.4-2014, in addition to structural adjustment and editorial changes, the main technical changes are as follows. --- Changed the classification standard of failure possibility grade, and added "equipment correction factor" (see Table 1, Table 1 of the.2014 edition); --- Changed the average failure probability value of similar equipment (see Table 2, Table 2 of the.2014 edition); --- Added the relevant content of the equipment structure rationality sub-factor (see 8.5.2.4); --- Change "design life" to "design life" (see 8.5.4, 7.5.4 of the.2014 edition); --- Changed the failure probability calculation procedure (see Table A.1 of Appendix A, Table A.1 of Appendix A of the.2014 edition); --- Added the basic data of "detected thickness" and "calculated thickness" (see Table C.1 of Appendix C); --- Changed the definitions of uniform corrosion and localized corrosion (see Table C.1, Table C.1 of the.2014 edition); --- Added the calculation formula of container and pipeline Art (see C.4.3); --- Added the corresponding corrosion rate calculation modules for acid acid water corrosion, cooling water corrosion and carbon dioxide corrosion (see C.13, C.14, C.15); --- Changed the basic data table required for the analysis of sulfide stress corrosion (see Table D.13 of Appendix D, Table of Appendix D of the.2014 edition D.13); --- Deleted the restriction that the susceptibility to carbonate stress corrosion cracking is only when hydrogen sulfide in the water phase exceeds 50 mg/L (see the.2014 edition of D.9.2); --- Added numerical units (see Table D.14, Table D.15, Table D.17, Table D.18, Table D.20); --- Modified the basic data required for polythionate stress corrosion cracking analysis (see Table D.21, Table D.21 of the.2014 edition); --- Changed the procedure diagram for determining the susceptibility to stress corrosion cracking of polythionate sulfuric acid (see Figure D.8, Figure D.8 of the.2014 edition); --- Added the judgment basis for chloride stress corrosion cracking susceptibility when it is less than or equal to 38 °C and greater than 149 °C (see Table D.24, Table D.25); --- Lowered the threshold for screening high-temperature hydrogen corrosion (see Table E.1 of Appendix E, Table E.1 of Appendix E of the.2014 edition); --- Changed the unit of furnace tube stress limit value considering creep (see Table F.5 of Appendix F, Table F.5 of Appendix F of the.2014 Edition); --- Changed the LarsonMiler parameter calculation formula (see Table F.6, Table F.6 of the.2014 edition); --- Changed the complexity table of the piping system (see Table G.8 of Appendix G, Table G.8 of Appendix G of the.2014 edition); --- Modified some formulas for calculating the failure probability of safety relief devices [see formula (K.3) ~ formula (K.6) in Appendix K,.2014 The formula (K.3) ~ formula (K.6) of Appendix K of the annual edition]; --- Increased the inspection validity level and default weibul parameters of bursting discs (see Table K.1, Table K.5, Table K.9); --- Added the classification table for the possibility of failure of the safety relief device (see Table K.11); --- Added the classification table of heat exchanger tube bundle failure probability classification (see Table L.1 of Appendix L). Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Standardization Technical Committee for Boilers and Pressure Vessels (SAC/TC262). This document is drafted by. Hefei General Machinery Research Institute Co., Ltd., State Administration for Market Regulation, China Petrochemical Corporation Company, China Special Equipment Inspection and Research Institute, PetroChina Refining and Chemicals Branch, China Petrochemical Corporation Co., Ltd. Guangzhou Branch, Sinopec Qingdao Refinery and Chemical Co., Ltd., Guangzhou Special Pressure Equipment Testing and Research Institute, Guangdong Provincial Special Equipment Testing Research Institute, PetroChina Yunnan Petrochemical Co., Ltd., and Zhongke (Guangdong) Refining and Chemical Co., Ltd. The main drafters of this document. Chen Xuedong, Jia Guodong, Hu Jiushao, Ai Zhibin, Wang Jianjun, He Chenghou, Liu Huiyuan, Chen Wei, Dong Jie, Wang Hui, Shi Jin, Chen Zhaohe, Chen Xuan, Cheng Sixiang, Zhou Yang, Dong Xuelin, Wang Xiaomei, Du Bohua, Ye Weiwen, Guo Jin, Li Junbin, Zhang Yue. This document was first published in.2014 and this is the first revision.IntroductionGB/T 26610 "Implementation Guidelines for Risk-Based Inspection of Pressure Equipment Systems" aims to standardize the identification of damage modes and failures of pressure equipment systems The various tasks of possibility analysis, failure consequence analysis, and inspection strategy formulation are scientific and reasonable for risk assessment workers to carry out risk-based Inspection work provides guidance, GB/T 26610 consists of 5 parts. --- Part 1.Basic requirements and implementation procedures. Provide relevant terms and definitions for risk-based inspection of pressure equipment systems, standardize wind Risk assessment workflow, proposed data collection, damage pattern recognition, failure probability and failure consequence calculation, risk management, risk management General requirements for mitigation measures, reassessments, etc. --- Part 2.Risk-based inspection strategies. Specify the inspection time, inspection type, inspection method and inspection under typical damage categories Effectiveness and other requirements and contents, and guide risk assessors to scientifically formulate inspection strategies. --- Part 3.Qualitative analysis methods of risk. Guide risk assessors to carry out qualitative risk analysis of pressure equipment systems. --- Part 4.Quantitative analysis methods for failure probability. Standardize the failure probability quantitative analysis program to determine the average failure probability, design Equipment correction coefficient, management system evaluation coefficient, and over-standard defect influence coefficient to guide the quantification of the failure probability of pressure equipment systems calculate. --- Part 5.Quantitative analysis methods for failure consequences. The general principles of quantitative analysis of failure consequences are given, and the selection of representative fluids is determined. Extraction, leakage analysis, area consequence calculation, cost consequence calculation, and guide the quantitative calculation of failure consequence of pressure equipment system. This document, as part 4 of GB/T 26610, focuses on the identification methods of common damage modes of pressure equipment and the pressure equipment A method for determining the failure probability level. For the key pressure-bearing equipment qualitatively screened in GB/T 26610.3, the analysis is further refined, and the use of The failure probability level determined by the quantitative analysis of this document and the failure consequence level determined by the quantitative analysis of GB/T 26610.5 jointly determine the bearing capacity. the risk level of the pressurized equipment. At the same time, the damage mode identified in this document is also the inspection strategy formulated in GB/T 26610.2 or GB/T 26610.1 An important basis for formulating risk reduction measures. This document is mainly for the determination of the probability of failure during the implementation of risk-based inspection (RBI) of pressure equipment systems in oil refining, chemical and other industries. Quantitative analysis provides the basis and guidance. According to the various parts of GB/T 26610, the domestic inspection agencies have already conducted inspections in large-scale petroleum, Sinopec, etc. RBI has been applied to thousands of devices in the chemical enterprise, which ensures the intrinsic safety of the devices, optimizes the inspection strategy, and saves more than 30% for the enterprise It has achieved good economic and social benefits. During the implementation of GB/T 26610.4-2014, it was found that the risk calculation results were too conservative, and the average failure probability of similar equipment The impact on the risk is too large, and some common corrosion mechanisms are missing. In response to these problems, the foreign literature APIRP581-2016 "Based on Wind "Inspection Methods for Risks" has been revised, and my country has also carried out related research work on the basis of the 13th Five-Year Key R&D Program. therefore, It is necessary to combine the existing scientific research results, APIRP581-2016, the experience summary during the implementation of the standard, etc. It is revised and improved to better guide the implementation of risk-based inspection (RBI) of pressure equipment systems. Implementation guide for risk-based inspection of pressure equipment systems Part 4.Methods for Quantitative Analysis of Failure Probability1 ScopeThis document specifies a method for quantitative analysis of the probability of failure during the implementation of Risk-Based Inspection (RBI) of pressure equipment systems. This document applies to the pressure-bearing equipment system of petrochemical plants referred to in GB/T 26610.1.2 Normative referencesThe contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB 18306 China Earthquake Parameter Zoning Map GB/T 19624-2019 Safety Assessment of Defective Pressure Vessels in Service GB/T 26610.1 Implementation Guidelines for Risk-Based Inspection of Pressure Equipment Systems Part 1.Basic Requirements and Implementation Procedures GB/T 26610.5 Implementation Guidelines for Risk-Based Inspection of Pressure Equipment Systems Part 5.Quantitative Analysis Methods for Failure Consequences GB/T 30579 Damage Pattern Recognition of Pressure Equipment3 Terms and DefinitionsThe terms and definitions defined in GB/T 26610.1 apply to this document.4 AbbreviationsThe following abbreviations apply to this document. CA. Corrosion Allowance DEA. Diethylamine DIPA. Diisopropanolamine OP. 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