GB/T 34576-2017Specifications for steam turbine used in gas-steam combined-cycle unit (English PDF)
燃气-蒸汽联合循环用汽轮机规范
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 29, 2017
Implementation date
April 1, 2018
Scope
GB/T 34576-2017 is the English-translated version of 燃气-蒸汽联合循环用汽轮机规范.
GB/T 34576-2017 is the Chinese standard "Specifications for steam turbine used in gas-steam combined-cycle unit". Its scope clause reads: 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. Its clauses include terms and definitions.
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Document preview — GB/T 34576-2017
National Standard of the People's Republic of China
- ICS
- 27.040
- Classification
- K 54
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Guaranteed value
- 5 adjustment
- 6 operation and overhaul
- 7 parts
- 8 Foundation and building
- 9 Feed pump drive
- 11 meter
- 12 Protection System
- 13 vibration
- 14 noise
- 15 Tests
- 18 Supplier should provide design information
- Appendix A (Normative) Electronic Regulator
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
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.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
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