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GB/T 43676-2024General technical requirements for water-cooled premixed low NOx burners (English PDF)

水冷预混低氮燃烧器通用技术要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 15, 2024

Implementation date

July 1, 2024

Scope

GB/T 43676-2024 is the English-translated version of 水冷预混低氮燃烧器通用技术要求.

GB/T 43676-2024 sets out the general technical requirements for water-cooled premixed low NOx burners, in which fuel gas and combustion air are premixed and then pass through a water-cooled tube bundle before burning, giving flue gas with a low nitrogen oxide content.

It applies to the design, manufacture and acceptance of such burners with an integrated output of less than 140 MW (less than 7 MW per single burner), and not to naturally ventilated burners that are not electrically driven and controlled.

It defines the key terms (premixed degree, water-cooled tube bundle, tube-side and shell-side cooling, characteristic dimensions), classifies burners as tube-side or shell-side, and gives the model designation.

The requirements and matching test methods cover appearance and composition, aerodynamic performance, operation control, safety protection, verification of start-up conditions, fuel and air flow stability, the premixing chamber and premixed degree, combustion performance, self-excited vibration, operational reliability, IP protection of electrical enclosures and environmental adaptability, followed by factory inspection and type test rules, documentation, marking, packaging, transport and storage, with an informative annex of basic configuration diagrams.

It is a first edition, issued on 15 March 2024 and in force since 1 July 2024. Classification: ICS 27.010, CCS F04. The document runs to 27 pages, delivered complete in English translation.

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Document preview — GB/T 43676-2024

National Standard of the People's Republic of China

ICS: 27.010
Classification: F04

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

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and models
5 Requirements
6 Inspection and test methods
7 Inspection and test rules
8 Technical documentation and marking
9 Packaging, transport and storage
Annex A (informative) Schematic diagram of the basic configuration of a water-cooled premixed low-NOx burner

3 Terms and definitions

4 Classification and models

5 Requirements

6 Inspection and test methods

7 Inspection and test rules

8 Technical documentation and marking

9 Packaging, transport and storage

Foreword

This document is drafted in accordance with the rules given in GB/T 1.1-2020, Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.

This document was proposed by and is under the jurisdiction of the National Technical Committee on Combustion Energy Saving and Purification of Standardization Administration of China (SAC/TC 441).

Drafting organisations of this document: Zhejiang University, Zhejiang Liju Thermal Energy Equipment Co., Ltd., Hefei Shunchang Distributed Energy Comprehensive Application Technology Co., Ltd., Huzhou Special Equipment Inspection and Research Institute, Anhui Fengxing New Material Technology Co., Ltd., University of Science and Technology of China, Anhui Communications Vocational and Technical College, Zhongyuan University of Technology, Shengzhou Dijia Electric Appliance Co., Ltd., Anhui Special Equipment Inspection Institute, Anhui Institute of Product Quality Supervision and Inspection.

Main drafters of this document: Cheng Leming, Lin Qizhao, Zheng Chenghang, Zhao Rongxin, Shen Maolin, Qiu Kunzan, Zhang Haitao, Wang Yongqiang, Zhang Weiguo, Qiu Zhouchun, Shen Bingyuan, Qiu Erpeng, Dai Jinpeng, Guo Yuefeng, Wang Hong, Bao Liuhu, Meng Kesheng, Xu Yongmei, Yu Kai, Yang Biying, Zhang Jiashun, Li Xiaomin, Cheng Wenqiang.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 27 pages — is available in the English PDF.

Referenced standards

Normative references

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