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GB/T 44906-2024Technical specification for biomass fired boilers (English PDF)

生物质锅炉技术规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 26, 2024

Implementation date

May 1, 2025

Scope

GB/T 44906-2024 is the English-translated version of 生物质锅炉技术规范.

GB/T 44906-2024 is the Chinese technical specification for biomass fired boilers.

Burning straw, wood chip, husk and pellet is not the same problem as burning coal, and the standard exists because treating it as though it were is what ruins these boilers: biomass has a high and variable moisture content, low bulk density, and an ash rich in alkali metals and chlorine that slags the furnace and corrodes the superheater at temperatures a coal boiler would find unremarkable.

The document sets the classification and the parameters, the requirements on the design of the furnace and the combustion system for the fuel range declared, on the heating surfaces and their arrangement and material selection against high temperature corrosion, on the fuel handling and feeding system, on the ash and slag removal, on the flue gas cleaning and on the control and safety systems, together with the requirements on materials, manufacture, inspection and testing, and the marking and documentation.

Its companion GB/T 44907 covers the quality evaluation. For a boiler maker, a plant operator or a specifier in China, this is the governing text.

Found what you need?

Document preview — GB/T 44906-2024

National Standard of the People's Republic of China

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • 1 Scope
  • 2 Normative references
  • 3 Terms and definitions
  • 4 Parameters and model numbering method
  • 5 General requirements
  • 6 Fuels
  • 7 Performance
  • 8 Design
  • 9 Auxiliary machinery and systems
  • 10 Manufacture, inspection and test
  • 11 Painting, packaging, marking, nameplate, and accompanying documents
  • 12 Installation, commissioning and acceptance
  • 13 Operation

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. 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 is proposed and coordinated by the National Technical Committee for Standardization of Boilers and Pressure Vessels (SAT/TC262). This document was drafted by: Shanghai Industrial Boiler Research Institute Co., Ltd., Zhejiang Tefu Development Co., Ltd., Guangdong Special Equipment Testing and Research Institute Co., Ltd. Shunde Testing Institute of the Institute of Special Equipment, Hengyang Dacheng Boiler Co., Ltd., Hangzhou Special Equipment Inspection and Scientific Research Institute, Shanghai Special Equipment Supervision and Inspection Institute Test Technology Research Institute, Nantong Wanda Energy Power Technology Co., Ltd., Dongfang Electric Corporation Dongfang Boiler Co., Ltd., Zhejiang Centron Energy Technology Co., Ltd., Zhejiang Shuangfeng Boiler Manufacturing Co., Ltd., Jianglian Heavy Industry Group Co., Ltd., Suzhou Hailu Heavy Industry Co., Ltd. Company, Sichuan Special Equipment Inspection Institute, Harbin Hongguang Boiler General Factory Co., Ltd., Wuxi Huaguang Environmental Protection Energy Group Co., Ltd. Co., Ltd., Wuxi Xineng Boiler Co., Ltd., Jiangsu Sifang Clean Energy Equipment Manufacturing Co., Ltd., Harbin Hadong Xinchun Boiler Co., Ltd., Hangzhou Lanhe New Energy Engineering Technology Co., Ltd., Shanghai Boiler Factory Co., Ltd., Wuxi Zhongzheng Boiler Co., Ltd., Wuxi Huaguang Industrial Boiler Co., Ltd. Co., Ltd., Yingkou Boiler and Pressure Vessel Inspection and Research Co., Ltd., Changzhou Energy Equipment Co., Ltd., Taishan Group Co., Ltd. Hailun Limin Energy Saving Boiler Manufacturing Co., Ltd., Shanghai Power Generation Equipment Complete Design and Research Institute Co., Ltd., Fujian Special Equipment Inspection Institute, China Special Equipment Inspection Institute, Zhejiang Juneng Boiler Manufacturing Co., Ltd., Wafangdian Yongning Machinery Factory, Harbin Industrial University, Yingkou Lvyuan Boiler Machinery Equipment Co., Ltd., Nanjing Ruikong Automation Co., Ltd., Changchun Special Equipment Testing Institute, Liaoning Changsheng Energy Saving Boiler Co., Ltd. The main drafters of this document are. Wang Shanwu, Yang Wen, Cai Xiaofeng, Li Jiangping, Cai Yongxiang, Mao Jun, Geng Changping, He Rong, Jiang Zhiming, Dong Yizhen, Wang Huanan, Xu Xiuqi, Lu Jiayi, Qian Jun, Pan Ruilin, Lan Zhongxiang, Su Jianping, Zou Xian, Li Qiumei, Han Peng, Jiang Peijun, Yang Qingsong, Li Changzheng, Bie Rushan, Chen Xiaohan, Wang Hongliang, Luan Zhongxin, Dai Guodong, Lü Xueyan, Yang Jupeng, Ding Hong, Fang Zixun, Diao Xiaoguang, Liang Kui, Chong Pei'an, Wan Xianjun, Qian Linfeng, Fan Bingbing, Da Yaodong, Ren Qiang, Wen Jili, Deng Qigang, Lin Heyong, Du Yongming, and Xu Fu.

In the context of global energy transformation and achieving climate change targets, accelerating the development and utilization of renewable energy such as biomass energy has become a It is a universal consensus and concerted action of all countries in the world. In recent years, my country's biomass power generation and heating technology has developed rapidly, with application areas and scales This document was formulated under the guidance of the "Action Plan for Green, Low-Carbon and High-Quality Development of Boilers", taking full account of the biomass boilers in my country. The application status and development trend of biomass boilers are put forward, including the design, manufacture, inspection and testing, installation and Technical requirements for acceptance, operation, etc. This document complies with the basic safety requirements and energy conservation requirements of TSG11 "Boiler Safety Technical Regulations" and TSG91 "Boiler Energy Conservation and Environmental Protection Technical Regulations". It not only meets the requirements of energy conservation and environmental protection, but also coordinates with the requirements of boiler core construction standards and other general boiler standards. This document aims to help my country innovate biomass energy utilization technology, accelerate the green and low-carbon transformation of boilers and promote high-quality development of the industry. It provides technical support for the safe, energy-saving and environmentally friendly operation of material boilers and their systems, and helps achieve the country's "dual carbon" goals. Technical Specifications for Biomass Boilers

1 Scope

This document specifies the parameters and model numbering method, fuel, performance, design, auxiliary machinery and systems, manufacture, inspection and test, painting, packaging, marking, nameplate, and accompanying documents, installation, commissioning and acceptance, as well as operation requirements for biomass fired boilers and their systems.

This document applies to stationary pure biomass solid fuel fired boilers that meet one of the following conditions and also use water or organic fluids as media, as well as their systems:

a) Steam boilers with a rated working pressure of 0.1MPa (gauge pressure) or higher and a rated evaporation capacity of more than 2t/h;

b) Hot water boilers or organic fluid boilers with a rated working pressure of 0.1MPa (gauge pressure) or higher and a rated thermal power of more than 1.4MW.

For the following stationary pure biomass solid fuel fired boilers that use water or organic fluids as media, this document may be used for reference:

——Steam boilers (or hot water boilers and organic fluid boilers) with a rated evaporation capacity of 2t/h (or a rated thermal power of 1.4MW) and below;

——Hot water boilers or organic fluid boilers with a rated working pressure less than 0.1MPa (gauge pressure).

2 Normative references

The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 753 Steam condition series for utility boilers

GB/T 1576 Water quality for industrial boilers

GB/T 1921 Parameters for industrial steam boilers

GB/T 2900.48 Electrotechnical terminology of boilers

GB/T 3166 Parameters for hot water boilers

GB/T 10180 Thermal performance test code for industrial boilers

GB/T 10184 Performance test code for utility boiler

GB/T 12145 Quality criterion of water and steam for power plant and steam-generating equipment

GB 13223 Emission standard of air pollutants for thermal power plants

GB 13271 Emission standard of air pollutants for boiler

GB/T 16507 (All parts) Water-tube boilers

GB/T 16508 (All parts) Shell boilers

GB/T 17410 Organic heat transfer material heaters

GB/T 24747 Safety technology conditions for organic heat transfer fluid

GB/T 34348 Specification for utility boiler system

GB/T 36699 Specification for liquid fuels and gaseous fuels burners of boilers

GB 50041 Standard for design of boiler plant

3 Terms and definitions

For the purposes of this document, the terms and definitions given in GB/T 2900.48, GB/T 34348 and NB/T 47034 as well as the following apply.

3.1 biomass

various organisms produced through photosynthesis

Note: In this document, biomass mainly refers to various agricultural residues, forestry residues, energy crops, and their processing residues, etc., and does not include industrial organic solid waste and municipal solid waste.

3.2 hard stalk and woody plant

collective term for relatively hard biomasses such as the stalks of cotton, soybeans, and other agricultural crop residues, tree branches, wood processing materials, or waste materials

3.3 straw and non hard stalk

collective term for relatively soft biomasses such as the stalks of corn, wheat, rice, sorghum, and other herbaceous plants

3.4 biomass molded fuel

molded fuels with a certain shape (mostly regular shapes such as cuboids or cylinders), specific dimensions, high bulk density, and are conducive to transportation and combustion, which are processed using woody and herbaceous plants and their waste materials as raw materials, through densification and molding technology

3.5 biomass fired boiler

a boiler that uses biomass as fuel

4.1 Parameters

4.1.1 The parameters for industrial steam boilers shall comply with the requirements of GB/T 1921.

4.1.2 The parameters for utility boilers shall comply with the requirements of GB/T 753.

4.1.3 The parameters for hot water boilers shall comply with the requirements of GB/T 3166.

4.1.4 The parameters for organic fluid boilers shall comply with the requirements of NB/T 47034 or GB/T 17410.

4.2 Model numbering method

4.2.1 The numbering method for industrial steam boilers and hot water boilers shall comply with the requirements of NB/T 47034.

4.2.2 The numbering method for utility boilers shall comply with the requirements of GB/T 34348.

4.2.3 The numbering method for organic fluid boilers shall comply with the requirements of GB/T 17410.

Contents of GB/T 44906-2024 Contents Foreword III Introduction IV

10 Manufacture, inspection and test

11 Painting, packaging, marking, nameplate, and accompanying documents

10 Manufacture, inspection and test

11 Painting, packaging, marking, nameplate, and accompanying documents

13 Operation

Referred in GB/T 44906-2024:

GB/T 753-2012 Steam condition series for utility boilers *

GB/T 1576-2018 Water quality for industrial boilers *

GB/T 1921-2004 Parameters for industrial steam boilers *

GB/T 2900.48-2008 Electrotechnical terminology of boilers *

GB/T 3166-2004 Parameters for hot water boilers *

GB/T 10180-2017 Thermal performance test code for industrial boilers *

GB/T 10184-2015 Performance test code for utility boiler *

GB/T 12145-2016 Quality criterion of water and steam for power plant and steam-generating equipment *

GB 13223-2011 Emission Standard of Air pollutants for Thermal Power Plants *

GB 13271-2014 Emission standard of air pollutants for boiler *

GB/T 16507-2022 Water-tube boilers *

GB/T 16508-2022 Shell boilers(Collection) *

GB/T 17410-2023 Organic heat transfer material heaters *

GB/T 24747-2023 Safety technology conditions for organic heat transfer fluid *

GB/T 34348-2017 Specification for utility boiler system *

GB/T 36699-2018 Specification for liquid fuels and gaseous fuels burners of boilers *

GB 50041-2020 Standard for design of boiler plant *

13 Operation

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.

Referenced standards

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