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GB/T 35688-2017 English PDF

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GB/T 35688-2017: Specification for large air-cooled steam turbine
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Basic data

Standard ID GB/T 35688-2017 (GB/T35688-2017)
Description (Translated English) Specification for large air-cooled steam turbine
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K54
Classification of International Standard 27.040
Word Count Estimation 26,251
Date of Issue 2017-12-29
Date of Implementation 2018-07-01
Regulation (derived from) National Standards Bulletin 2017 No. 32
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 35688-2017: Specification for large air-cooled steam turbine

---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.
Specification for large air-cooled steam turbine ICS 27.040 K54 National Standards of People's Republic of China Technical Specifications for Large Air-cooled Steam Turbines 2017-12-29 Posted 2018-07-01 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 typical conditions 2 5 Guaranteed value 4 6 adjustment 5 7 operation and overhaul 6 8 parts 9 9 exhaust device 11 10 Air-cooled systems, foundations and buildings 11 11 Feed pump drive 12 Steam Turbine Assist System 13 instrument 14 System Protection 15 15 Vibration 17 16 noise 18 17 Test 19 Delivery and Installation 19 19 Design Information to Be Provided by the Purchaser 19 20 Design Information to be Provided by Supplier 22 21 Turbine feed water back to heat 22

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. Harbin Steam Turbine Factory Co., Ltd., Shanghai Power Equipment Design Institute, Shanghai Electric Power Station Co., Ltd. Shanghai Steam Turbine Plant, Dongfang Electric Group Dongfang Turbine Co., Ltd., State Nuclear Power Planning and Design Institute. The main drafters of this standard. He Chengjun, Cui Jianguo, Fang Chonghua, Duan Zhongxu, Wang Wei, Wei Xuedong, Wei Dongliang, Liu Junliang, Bai Jinde. Technical Specifications for Large Air-cooled Steam Turbines

1 Scope

This standard specifies the fixed-power condensing air-cooled steam turbine rated power of.200MW and above guaranteed value, regulation, operation And maintenance, parts and other technical requirements. This standard applies to fixed-power condensing air-cooled steam turbine with a rated power of.200MW and above. Power is less than.200MW And non-condensing air-cooled steam turbine can be implemented by reference.

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 8117.1 Turbine thermal performance acceptance test procedures Part 1. Method A large condensing steam turbine high accuracy test GB/T 8117.2 Turbine thermal performance acceptance test procedures Part 2. Method B various types and sizes of turbine wide standard Correct test 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 GB/T 22198 turbine speed control system acceptance test NB/T 47007 air-cooled heat exchanger

3 Terms and definitions

GB/T 5578-2007 defined and the following terms and definitions apply to this document. 3.1 Air-cooled turbine aircooledsteamturbine Condensing steam turbine that takes advantage of ambient air and takes away heat from steam turbine exhaust through an air cooled heat exchanger. 3.2 Air-cooled heat exchanger aircooledheatexchanger Air-cooled system in the use of ambient air to the steam turbine exhaust heat or circulating water heat away from the device. 3.3 Aircoolingsystem Air as a cooling source through the air-cooled heat exchanger cooling steam turbine exhaust or condensing exhaust cooling water (circulating water) package Shi, direct air cooling system and indirect air cooling system in two types. 3.4 Direct air cooling system directaircoolingsystem Directly to the ambient air as a cold source, through the air-cooled condenser steam turbine exhaust directly condensed into water air cooling system.

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