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GB/T 35709-2017: Maintenance regulation for bulb hydro-turbine generating units
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| GB/T 35709-2017 | English | 1319 |
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Maintenance regulation for bulb hydro-turbine generating units
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GB/T 35709-2017
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Basic data | Standard ID | GB/T 35709-2017 (GB/T35709-2017) | | Description (Translated English) | Maintenance regulation for bulb hydro-turbine generating units | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F23 | | Classification of International Standard | 27.140 | | Word Count Estimation | 66,661 | | Date of Issue | 2017-12-29 | | Date of Implementation | 2018-07-01 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 35709-2017: Maintenance regulation for bulb hydro-turbine generating units---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.
Maintenance regulation for bulb hydro-turbine generating units
ICS 27.140
F23
National Standards of People's Republic of China
Bulb Tubular Turbine Generator Set Maintenance Procedures
Published on.2017-12-29
2018-07-01 Implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Administration released
Directory
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Basic regulations 2
4.1 Service Interval and Deactivation Time 2
4.2 Inspection Projects and Quality Checkpoints 3
4.3 Overhaul Engineering Planning and Planning 3
4.4 Maintenance Preparation 4
4.5 Maintenance and Safety Ring Management 4
4.6 Maintenance and Repair Phase Organization and Management 4
4.7 General requirements for inspection process quality 4
4.8 Overhaul General Process 5
5 Turbine Overhaul 5
5.1 Wheel and Spindle Inspection 5
5.2 Overhaul of water guides 8
5.3 Expansion joint and runner room inspection 9
5.4 Duct Inspection 10
5.5 Tubular seat and baffle plate inspection 10
5.6 Oil Receiver and Operation Oil Tubing Inspection 10
5.7 Turbine Bearings Inspection and Repair 11
5.8 Spindle Seal Overhaul 12
5.9 Unit Center Check Processing 13
6 Generator Overhaul 13
6.1 Stator Inspection 13
6.2 Rotor Overhaul 18
6.3 Combined Bearing Repair 21
6.4 Lamp Head Assembly Repair 26
6.5 Braking Device Overhaul 27
6.6 Generator Ventilation and Cooling System Overhaul 27
6.7 Generator Neutral Point Equipment Overhaul 28
7 Bearing Oil System Overhaul 29
7.1 Bearing Tank Service 29
7.2 Bearing Oil Cooler Overhaul 29
8 Unit Inspection Acceptance and Test 29
8.1 Inspection and Acceptance 29
8.2 Starting the test project 29
8.3 Overall Inspection and Requirements after Overhaul 30
9 Inspection Summary and Evaluation 34
9.1 Maintenance Information Requirements 34
9.2 Post-Maintenance Assessment 34
Appendix A (Normative Appendix) Grade A, B, C Maintenance Standards and Quality Checkpoints for Bulb Tubular Hydrogenerator Units 35
Appendix B (Normative Appendix) Inspection Items and Quality Checkpoints for Inspection Tubular Parts of Type A, B and C of Bulb Tubular Turbine Generator Units
Appendix C (Normative Appendix) Inspection Standards for Grade A, B and C of Bulb Tubular Turbine Generator Units and Quality Checkpoints 43
Appendix D (Informative) Reference Flow Chart for Preparation of Class A Overhaul of Bulb Tubular Turbine Generators 44
Appendix E (Informative Appendix) General Disassembly Process Flow of Bulb Tubular Turbine Generators 45
Appendix F (Informative Appendix) Flowchart for General Installation of Bulb Tubular Turbine Generating Units 46
Appendix G (Informative) Maintenance Critical Data Records 47
Appendix H (Informative Appendix) Diagram of Inspection, Disassembly and Turnover of a Typical Bulb Tubular Hydrogenerator Unit 50
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some of the contents of this document may involve patents. The issuing agency of this document does not assume responsibility for identifying these patents.
This standard is proposed and managed by the China Electricity Council.
This standard is mainly drafted by. Wuling Electric Power Co., Ltd., Hunan Wuling Power Engineering Co., Ltd., Guangzhou Kinxin Technology Co., Ltd.
the company.
The main drafters of this standard. Deng Zhihua, Yao Xiaoyan, Yuan Rui, Tan Wensheng, Liu Qiang, Xu Yueyun, Zhao Xunxin, Xiao Qizhi, Liu Feng, Zeng Weicai,
Li Fuping, Yang Changle, Zhong Yong, Liu Xiaoyun, Zhu Zhenjun, Liu Yong, Xu Lixia, Ying Liming, and Cui Xue.
Bulb Tubular Turbine Generator Set Maintenance Procedures
1 Scope
This standard stipulates the maintenance level, maintenance cycle, maintenance items, inspection and repair procedures, acceptance and testing of bulb-type turbine-generator sets, etc.
Claim.
This standard applies to bulb turbine tuner units with rated power of 5MW and above or runner diameter of 2.5m and above.
repair. Other bulb tune turbine unit maintenance can refer to the implementation.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 8564 Installation Specifications for Hydrogenerator Units
General specification of GB/T 16938 fastener bolts, screws, studs and nuts
GB/T 24001 Environmental Management System Requirements and Usage Guidelines
GB 26164.1 Code of Practice for Electrical Safety Part 1. Thermal and Mechanical
GB/T 28001 occupational health and safety management system requirements
DL/T 596 Preventive Test Procedures for Electrical Equipment
DL/T 827 Bulb Turbine Generator Startup Test Procedure
DL/T 1318 Specification for Technical Supervision of Hydroelectric Power Plants
DL/T 5070 on-site manufacturing installation and welding process guide for hydro turbine metal volute
DL/T 5113.11 Standard for the Quality Assessment of Single Projects of Hydropower and Water Conservancy Capital Construction Project Part 11. Bulb Tubular Water
Wheel generator installation engineering
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Maintenance level maintenancegrades
Based on the principle of maintenance and decommissioning time of bulb-type turbine-generator units, the maintenance of the unit is divided into four grades. A, B, C, and D.
3.2
Class A overhaul Aclassmaintenance
Complete disassembling inspections and repairs of turbines and generators on the unit or alone to maintain, restore, or improve equipment performance.
3.3
Class B overhaul Bclassmaintenance
For some problems with the unit's equipment, disassemble the unit's equipment and repair. Class B maintenance can be based on unit equipment
According to the results of the state assessment, some A-level maintenance projects or periodic rolling maintenance projects are targeted.
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