GB/T 34576-2017 English PDF

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GB/T 34576-2017: Specifications for steam turbine used in gas-steam combined-cycle unit
Status: Valid

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Basic data

Standard ID: GB/T 34576-2017 (GB/T34576-2017)
Description (Translated English): Specifications for steam turbine used in gas-steam combined-cycle unit
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K54
Classification of International Standard: 27.040
Word Count Estimation: 25,231
Date of Issue: 2017-09-29
Date of Implementation: 2018-04-01
Quoted Standard: GB/T 5578-2007; GB/T 6075.1; GB/T 6075.2; GB/T 6075.3; GB/T 11348.1; GB/T 11348.2; JB/T 9629; IEC 61672-1; IEC 61672-2; IEC 61672-3; ASME PTC 6.2
Regulation (derived from): National Standard Notice 2017 No. 23
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
Summary: This standard specifies the gas - steam combined cycle steam turbine terms and definitions, guaranteed value, regulation, operation and maintenance, parts and other requirements. This standard applies to gas - steam combined cycle steam turbine.

GB/T 34576-2017: Specifications for steam turbine used in gas-steam combined-cycle unit

---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.
Specifications for steam turbine used in gas-steam combined-cycle unit ICS 27.040 K54 National Standards of People's Republic of China Specification for gas - steam combined cycle steam turbines 2017-09-29 Posted 2018-04-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Guaranteed value 3 5 adjustment 4 6 operation and overhaul 6 7 parts 8 8 Foundation and building 9 9 Feed pump drive 10 Steam Turbine Assist System 11 meter 11 12 Protection System 13 13 vibration 14 14 noise 15 15 Tests 16 Delivery and Installation 16 The design information that should be provided by the buyer 16 18 Supplier should provide design information 19 Turbine water heating 19 Appendix A (Normative) Electronic Regulator 20

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Electrical Equipment Industry Association. This standard by the National Standardization Technical Committee steam turbine (SAC/TC172) centralized. This standard was drafted unit. Shanghai Power Equipment Design Institute, Shanghai Electric Power Equipment Co., Ltd. Shanghai Steam Turbine Works, the East Electric Group Dongfang Turbine Co., Ltd., Harbin Turbine Factory Co., Ltd., Nanjing Turbine and Electric (Group) Co., Ltd., Beijing North heavy steam turbine limited liability company. The main drafters of this standard. Zhang Lijian, Ye Fen, Ye Dongping, Tang Li, Jin Junzhong, Zhuang Hui, Zhou Xin Kang, Peng Yunhong, Li Yang, Zhang Zhihua, Fang Chonghua, Chi Kok, Yu Jintao, Chu Dechun. Specification for gas - steam combined cycle steam turbines

1 Scope

This standard specifies the gas - steam combined cycle steam turbine terms and definitions, guaranteed value, regulation, operation and maintenance, parts and other requirements. This standard applies to gas - steam combined cycle steam turbine.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. Specification for steam turbines for stationary power generation GB/T 5578-2007 GB/T 6075.1 Mechanical vibration - Measurement on non-rotating parts - Evaluation of machine vibration - Part 1. General GB/T 6075.2 mechanical vibration measurement on non-rotating parts to evaluate the vibration of the machine Part 2. 50MW above, rated Speed 1500r/min, 1800r/min, 3000r/min, 3600r/min Land-mounted turbines and generators GB/T 6075.3 mechanical vibration measurement on non-rotating parts to evaluate the vibration of the machine Part 3. Rated power greater than 15kW Industrial machines measuring on-site at rated speeds between 120r/min and 15000r/min GB/T 11348.1 Rotating machinery - Measurement and assessment of radial vibration of shafts - Part 1. General GB/T 11348.2 Mechanical vibration measurement on a rotating shaft Evaluation of machine vibration Part 2. Power greater than 50MW, rated Working speed 1500r/min, 1800r/min, 3000r/min, 3600r/min Land-mounted steam turbine and generator JB/T 9629 Turbine pressure parts hydraulic test technical conditions IEC 61672 (all parts) Electroacoustics-Soundlevelmeters ASMEPTC6.2 combined cycle steam turbine performance test procedures (SteamTurbinesinCombinedCycles)

3 Terms and definitions

GB/T 5578-2007 defined and the following terms and definitions apply to this document. For ease of use, the following list is repeated GB/T 5578-2007 some of the terms and definitions. 3.1 Mixed-pressure turbines Different pressure steam into the steam turbine work of the same turbine. Note. Most of the combined cycle turbines are turbocharged turbines, usually with double-pressure combined cycle turbines and multi-pressure combined cycle turbines. Double pressure means more than The heat boiler will produce two different pressure steam into the same steam turbine work. Three pressure type refers to the waste heat boiler will produce three different pressure steam into the same First steam turbine work. Multi-press and so on. [GB/T 5578-2007, Definition 3.1.5] 3.2 NCB Turbine "NCB" turbine According to the needs of users can be pure condensate (abbreviated as "N"), extraction (abbreviated as "C") or back pressure (abbreviation "B"), etc. Turbine with operating mode switchover. ......

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