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GB/T 28558-2012 English PDF

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GB/T 28558-2012: Supercritical and ultra-supercritical generating set parameter series
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PDF similar to GB/T 28558-2012


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Basic data

Standard ID GB/T 28558-2012 (GB/T28558-2012)
Description (Translated English) Supercritical and ultra-supercritical generating set parameter series
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K54
Classification of International Standard 27.100
Word Count Estimation 7,785
Quoted Standard GB/T 754-2007; GB/T 2900.46; GB/T 2900.48-2008
Regulation (derived from) National Standards Bulletin No. 13 of 2012
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 supercritical and ultra supercritical unit parameters, terms and definitions. This standard applies to domestic production is rated at 350 MW, 600 MW, 660 MW supercritical units and rated power of 600 MW, 660 MW, 1 000 MW ultra

GB/T 28558-2012: Supercritical and ultra-supercritical generating set parameter series

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Supercritical and ultra-supercritical generating set parameter series ICS 27.100 K54 National Standards of People's Republic of China Supercritical and ultra-supercritical unit parameters series Issued on. 2012-06-29 2012-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by China Electrical Equipment Industrial Association. This standard was drafted. Shanghai Power Equipment Research Institute of Machinery Industry Beijing Electrotechnical Institute of Economic Research. Drafters of this standard. Shen Qiu agriculture, leaf Fen Fang Xiaoyan, Zhangdian Jun, Xu Xue Yuan Tian Yan, Yang Hong, Wang Hua, Li Diancheng, Sun Yutian.

Introduction

Although China is the country with a variety of resources, but the reserves recoverable reserves of view, within the foreseeable future energy mix is \u200b\u200bstill coal Carbon-based, 50% to 60% of national coal output will be used for power generation, thermal power coal as primary energy in this period is still electricity production The main way. Carbon dioxide from coal combustion, sulfur dioxide and soot emissions aggravate atmospheric pollution, industrial and agricultural production Development and people's living environment pose a serious threat. Current and future development of coal-fired power generation technology will revolve around reducing energy consumption and reduce the environmental impact of two core issues carried out and solve These two issues of great significance to China's energy security and sustainable development of electricity. Supercritical and ultra-supercritical coal-fired power generation technology will effectively reduce coal consumption and reduce environmental pollution, etc. One of the measures. And Asia Supercritical thermal power units compared to supercritical, ultra-supercritical units with high efficiency, energy saving and environmental protection obvious advantages. This standard is intended. to make Supercritical, ultra-supercritical unit manufacturers and users understand the complete set of typical unit, maturity, reliability of operation and possible options Program. Supercritical and ultra-supercritical unit parameters series

1 Scope

This standard specifies the parameters, terms and definitions supercritical and ultra-supercritical units. This standard applies to domestic production is rated at 350MW, 600MW, 660MW supercritical unit and the rated power As ultra-supercritical units 600MW, 660MW, 1000MW parameters series. Supercritical and ultra-supercritical units specified in this standard is a reheat unit, the unit parameters expressed as. new steam pressure/new steam Temperature/reheat steam temperature.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 754-2007 steam turbine power generation parameters series GB/T 2900.46 Electrotechnical terminology - Steam turbine and auxiliary equipment GB/T 2900.48-2008 Electrotechnical terminology boiler

3 Terms and Definitions

GB/T 754-2007, GB/T 2900.46, GB/T 2900.48-2008 defined and the following terms and definitions apply to this file. 3.1 Critical point of water criticalpointofwater Water liquid and vapor phases can coexist in equilibrium parameters of the highest points of the inherent physical properties constant. Critical point of water temperature tc = 374.15 ℃, the Provisional Boundary point pressure pc = 22.129MPa. 3.2 Supercritical parameters supercriticalparameter Steam parameter exceeds a critical point called supercritical pressure and temperature parameters. 3.3 USC ultra-supercriticalparameter Steam turbine parameters than conventional supercritical parameters 24.2MPa/566 ℃/566 ℃ when the inlet steam parameters. 3.4 Rated power ratedpower Under the new rated steam parameters, reheat steam parameters and backpressure prescribed rate feed water conditions, does not exceed the life, the power generation Ensure continuous power at the motor terminals. The power is generally nameplate power. NOTE. The back pressure should be considered here in the cold side of the cooling medium parameters highest annual temperature optimization. 4 turbines, boilers and generators parameter series 4.1 turbine, the boiler parameters Series Table 1.

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