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GB/T 34912-2024: Guide for energy-saving design of industrial boiler systems
Status: Valid GB/T 34912: Evolution and historical versions
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Basic data | Standard ID | GB/T 34912-2024 (GB/T34912-2024) | | Description (Translated English) | Guide for energy-saving design of industrial boiler systems | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F01 | | Classification of International Standard | 27.010 | | Word Count Estimation | 86,893 | | Date of Issue | 2024-09-29 | | Date of Implementation | 2024-09-29 | | Older Standard (superseded by this standard) | GB/T 34912-2017 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 34912-2024: Guide for energy-saving design of industrial boiler systems---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.
ICS 27.010
CCSF01
National Standard of the People's Republic of China
Replaces GB/T 34912-2017
Industrial Boiler System Energy Efficiency Design Guide
Released on 2024-09-29
Implementation on September 29, 2024
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 General Principles 3
4.1 Basic Principles 3
4.2 Heat load data principles 4
4.3 Fuel material principles 5
4.4 Water quality data principles 5
4.5 Heating medium principles 5
4.6 Other suggestions 5
5 Boiler selection 6
5.1 Basic Principles 6
5.2 Selection of Layer-fired Boilers 6
5.3 Circulating fluidized bed boiler selection 7
5.4 Selection of Pulverized Coal Industrial Boilers 8
5.5 Selection of oil and gas fired boilers 9
5.6 Selection of Electrode-type Electric Heating Boiler 9
5.7 Selection of Electric Thermal Energy Storage Boiler 10
5.8 Biomass fuel boiler selection 10
6 Selection of equipment for soda and water system 11
6.1 Basic Principles11
6.2 Deaerator 11
6.3 Boiler feed pump 12
6.4 Heating network circulation pump and water supply pump 12
6.5 Water treatment system equipment 12
7 Fuel and ash storage and transportation systems and equipment 12
7.1 Basic Principles 12
7.2 Coal Transportation System Solution 13
7.3 Coal transportation system equipment 13
7.4 Ash and slag removal system equipment 14
7.5 Circulating fluidized bed boiler limestone delivery system 15
7.6 Oil unloading and storage system equipment 15
7.7 Oil transportation system equipment 16
7.8 Gas storage and transportation system equipment 16
8 Smoke and air system and equipment selection 16
8.1 Basic Principles 16
8.2 Blowers and induced draft fans 16
8.3 Air duct and smoke duct layout 16
8.4 Environmental protection supporting equipment 17
9 Waste heat recovery17
10 Insulation of equipment and pipelines 18
10.1 Basic Principles 18
10.2 Insulation materials 18
10.3 Insulation principles 18
11 Monitoring and Control19
11.1 Thermal Monitoring and Control Project 19
11.2 Energy Monitoring and Management Center Functions 19
11.3 Monitoring and control equipment 20
12 Energy-saving design for plateau environment 20
12.1 Basic Principles 20
12.2 Boiler selection 20
12.3 Motor selection 21
12.4 Soda System 22
12.5 Ventilation and smoke system 22
13 Calculation method of energy saving index of industrial boiler system 22
13.1 Calculation of thermal efficiency of industrial boiler system design 22
13.2 Energy Utilization of Industrial Boiler Systems 24
13.3 Calculation of unit energy consumption of industrial boiler systems 25
13.4 Calculation of Carbon Emissions from Industrial Boiler Systems 26
Appendix A (Informative) Main documents and materials required for the preliminary design of industrial boiler rooms 28
Appendix B (Informative) Collection and Arrangement of Heat Load Data 29
Appendix C (Informative) Collection and organization of fuel information 32
Appendix D (Informative) Raw water quality analysis content and verification method 34
Appendix E (Informative) Boiler Load Optimization Selection Case 38
Appendix F (Informative) Load changes and selection principles for oil-fired and gas-fired boilers 40
Appendix G (Informative) Characteristics of different types of coal-fired boilers 42
Appendix H (Informative) Characteristics of Oil-fired and Gas-fired Boilers 44
Appendix I (Normative) Design and selection of electric thermal energy storage boilers 46
Appendix J (Informative) Recommended allowable flow rates for common media in boiler rooms 49
Appendix K (Informative) Common Condensate Recovery Methods 50
Appendix L (Informative) Commonly used constant pressure methods for hot water systems 51
Appendix M (Informative) Common Deoxygenation Methods for Industrial Boilers 53
Appendix N (Informative) Commonly used flue gas waste heat recovery methods and equipment 55
Appendix O (Informative) Performance and characteristics of commonly used thermal insulation materials 58
Appendix P (Normative) Industrial Boiler System Energy Saving Monitoring Items 63
Appendix Q (Informative) Types and characteristics of automatic detection instruments 67
Appendix R (Informative) Typical Cases of Energy-Saving Design of Industrial Boiler Systems 71
References 76
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 34912-2017 "Guidelines for Energy-saving Design of Industrial Boiler Systems".
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The scope was changed and “Energy-saving Design for Plateau Environment” was added (see Chapter 1, Chapter 1 of the.2017 edition);
b) Added the application principles of new materials, new technologies and new processes, and changed the energy efficiency rating principles of industrial boiler system energy-using equipment
(See 4.1.8, 4.1.8~4.1.14 of the.2017 edition);
c) Added fuel quality principles for circulating fluidized bed boilers and biomass pellet fuel boilers (see 4.3.6 and 4.3.7);
d) Added the principles of multi-energy complementary systems of renewable energy and fossil energy, and energy storage systems (see 4.6);
e) Added the principle of "giving priority to renewable energy and clean fuels based on local policies and resource endowments" (see 5.1.3);
f) Deleted "Table 1 Requirements for coal quality of chain furnace" (see Table 1 of the.2017 edition);
g) The basic principles for boiler selection, the selection of layer-fired boilers, circulating fluidized bed boilers, pulverized coal industrial boilers, and oil and gas boilers have been changed.
Principles (see 5.1 to 5.5, 5.1 to 5.9 of the.2017 edition);
h) Added the selection principles for electrode-type electric heating boilers, electric thermal energy storage boilers, and biomass fuel boilers (see 5.6 to 5.8);
i) Added the principles of heating methods for steam heating systems (see 6.1.3);
j) The principle of continuous wastewater recycling of steam boilers has been changed (see 6.1.8, 6.1.8 of the.2017 edition);
k) Added the principle of heat recovery of exhaust steam from deaerator (see 6.2.5);
l) Added the principle of circulating water pump speed control (see 6.4.3);
m) Changes have been made to the operation of dual belt conveyors, the total coal consumption coefficient, the selection of silo pump systems in pneumatic ash conveying systems, and the use of vibrating conveyors for bottom ash conveying.
Principles of conveyor, oil tank heating and oil tank insulation (see 7.2.1, 7.2.8, 7.4.1, 7.4.3, 7.6.5, 7.6.7,.2017 edition 7.2.1,
7.2.8, 7.4.1, 7.4.3, 7.6.5, 7.6.7);
n) Changed the straight pipe lengths at the fan inlet and outlet, the selection of rated capacity of the desulfurization system, and the dust removal process principles (see 8.3.5,
8.4.1, 8.4.3, 8.3.5, 8.4.1, 8.4.3 of the.2017 edition);
o) The principle of waste heat recovery has been changed (see 9.2, 9.2 of the.2017 edition);
p) Changed the temperature of the outer surface of thermal insulation of thermal equipment, pipelines and accessories, and the principle of the maximum allowable heat dissipation loss on the outer surface of the insulation structure.
(See 10.1.2, 10.2.2, 10.3.2, and 10.1.2, 10.2.2, 10.3.2 of the.2017 edition);
q) The functional principles of the energy monitoring and management center have been changed (see 11.1, 11.2, 11.1, 11.2 of the.2017 edition);
r) Added energy-saving design for plateau environment (see Chapter 12);
s) Added the calculation method for carbon emissions from industrial boiler systems (see 13.4).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed and coordinated by the National Technical Committee for Standardization of Energy Fundamentals and Management (SAC/TC20).
This document was drafted by. China National Institute of Standardization, Machinery Industry Technology Development Foundation, China IPPR International Engineering Co., Ltd., China
Special Equipment Testing Institute, Wuxi Huaguang Environmental Protection Energy Group Co., Ltd., China United Engineering Co., Ltd., Shenyang Shijie Electric Co., Ltd.
Co., Ltd., Beijing Zhicheng Hongye Intelligent Control Technology Co., Ltd., Shanghai Industrial Boiler Research Institute Co., Ltd., Fujian Boiler and Pressure Vessel Inspection Co., Ltd.
Test Institute, Taishan Group Co., Ltd., Jiangsu Shuangliang Boiler Co., Ltd., National Energy Conservation Center, Suzhou Hailu Heavy Industry Co., Ltd.
Company, Fangkuai Boiler Co., Ltd., Beijing Guanya Weiye Engineering Design Co., Ltd., Zhejiang Liju Thermal Energy Equipment Co., Ltd., Harbin Hongguang
Boiler General Factory Co., Ltd., Guangzhou Tianlu Energy Technology Co., Ltd., Taiyuan Boiler Group Co., Ltd., Harbin Special Equipment Supervision
Inspection Institute, China Power Construction Group Guizhou Electric Power Design Institute Co., Ltd., Sichuan Chuanguo Boiler Co., Ltd., Chongqing Zhide Thermal Engineering
Industrial Co., Ltd., Green Energy Environmental Technology Group Co., Ltd., Hangzhou Wandes Environmental Technology Co., Ltd., Chinese Academy of Sciences Engineering Thermal
Institute of Technology, Tsinghua University, Xi'an Jiaotong University, Shanghai Jiaotong University, Harbin Institute of Technology, and Qinghai Special Equipment Inspection and Testing Institute.
The main drafters of this document are. Liu Ren, Hou Rui, Fu Qiang, Da Yaodong, Zhang Wei, Wang Jing, Gu Quanbin, Su Ming, Li Chunlin, Wang Shanwu, Wang Wei,
You Jun, Zhou Donglei, Wang Dian, Pan Ruilin, Liu Xuemin, Xin Sheng, Jiang Lianju, Li Jun, Zhao Rongxin, Qi Guoli, Cai Xiaofeng, Zuo Caixia, Wang Jiajun,
Lü Xueyan, Shen Shuyun, Lu Chao, Dai Guodong, Ke Qinghai, Wang Yinggang, Du Yongbo, Gao Jianmin, Wu Xiaojiang, Lü Junfu, Che Defu, Zhang Zhongxiao,
Qian Fenghua, Gao Ming, Tong Dongxue, Li Zhenqing, Shu Shian, Wang Dongyu, Zhou Tuo, Yang Kun, Liu Miao, Zhu Jiang, Yu Jiming, Dong Heming, Li Baifeng, Cao Shengning,
Wang Yutao, Jin Wenyuan, Wang Jue, Wang Liang, Guan Wenhong, Guo Qiang, Rong Yang, Wei Xugang, Xia Binbin, Li Jinwei, Wang Zhuo, and Zhu Haotao.
This document was first published in.2017 and this is the first revision.
Industrial Boiler System Energy Efficiency Design Guide
1 Scope
This document provides the general principles for energy-saving design of industrial boiler systems, boilers, steam-water systems and equipment, fuel and ash storage and transportation systems and
Equipment, air and smoke systems and equipment selection, waste heat recovery, equipment and pipeline insulation, monitoring and control, plateau environment energy-saving design and industrial boilers
Guidance on calculation methods of system energy-saving indicators, etc.
This document is applicable to single boilers with water as the medium, rated outlet steam pressure of 0.1MPa~3.8MPa, and rated steam temperature less than
Industrial steam boiler systems with a rated outlet water pressure of 0.1 MPa to 2.5 MPa and industrial hot water boiler systems with a rated outlet water pressure of 450°C or above
Can design and transform.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 150.1 Pressure vessels Part 1.General requirements
GB/T 1576 Industrial boiler water quality
GB/T 2900.48 Electrical terminology boiler
GB/T 4272 General technical rules for thermal insulation of equipment and pipelines
GB/T 8175 Guidelines for thermal insulation design of equipment and pipelines
GB/T 13283 Accuracy grades of test instruments and display instruments for industrial process measurement and control
GB/T 14285 Technical specification for relay protection and safety automatic devices
GB/T 15317 Energy-saving monitoring of coal-fired industrial boilers
GB/T 17954 Economic Operation of Industrial Boilers
GB/T 18342 Commercial coal quality chain furnace coal
GB 18613-2020 Energy efficiency limit values and energy efficiency grades for electric motors
GB 19761-2020 Energy efficiency limit values and energy efficiency grades for ventilators
GB 19762-2007 Energy efficiency limit values and energy saving evaluation values for clean water centrifugal pumps
GB/T 20626.1 Special environmental conditions for plateau electrical and electronic products Part 1.General technical requirements
GB 24500-2020 Energy efficiency limit values and energy efficiency grades for industrial boilers
GB/T 26126 Commercial coal quality pulverized coal for industrial boilers
GB 28381-2012 Energy efficiency limit values and energy saving evaluation values for centrifugal blowers
GB/T 29052 Technical Guidelines for Water Saving and Consumption Reduction of Industrial Steam Boilers
GB/T 32224 Heat meter
GB/T 36699 Technical requirements for liquid and gas fuel burners for boilers
GB 50016 Code for Fire Protection Design of Buildings
GB 50041 Boiler room design standard
GB 50049-2011 Design specification for small thermal power plants
GB 50057 Code for Lightning Protection Design of Buildings
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