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GB/T 28056-2025: Specification for heat recovery boilers
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 28056-2025	English	599	Add to Cart	5 days [Need to translate]	Specification for heat recovery boilers
GB/T 28056-2011	English	299	Add to Cart	3 days [Need to translate]	General specification for gas pass heat recovery boiler

GB/T 28056-2025: Specification for heat recovery boilers

---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 27.060.30 CCSJ98 National Standards of the People's Republic of China Replace GB/T 28056-2011, GB/T 28057-2011, GB/T 30576-2014, GB/T 30577-2014 Technical Specifications for Waste Heat Boilers Published on 2025-10-05 Implemented on May 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of contents

Preface III 1.Scope 1 2 Normative References 1 3.Terms and Definitions 2 4 Product Models 4 5 General Requirements 6 Design 6

7 Manufacturing and Inspection

8.Painting, packaging, marking, and accompanying documents 7. 9 Installation and Acceptance 8 10 running 8 Appendix A (Normative) Manufacturing and Acceptance Standards for Major Boiler Components 9 Appendix B (Normative) Oxygen Converter Waste Heat Boiler 10 Appendix C (Normative) Waste Heat Boiler for Cement Kilns 14 Appendix D (Normative) Gas-Steam Combined Cycle Waste Heat Boiler 17 Appendix E (Normative) Waste Heat Boilers in Chemical Industry 20 Reference 23

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document supersedes GB/T 28056-2011 "General Technical Conditions for Flue-Type Waste Heat Boilers" and GB/T 28057-2011 "Oxygen Converter Waste Heat Boilers". Technical conditions for waste heat boilers, GB/T 30576-2014 Technical conditions for waste heat boilers in cement kilns and GB/T 30577-2014 Combined Gas-Steam Boiler Technical Conditions "Technical Conditions for Combined Circulating Waste Heat Boilers". This document is based on GB/T 28056-2011 and integrates GB/T 28057-2011. The contents of GB/T 30576-2014 and GB/T 30577-2014.Compared with GB/T 28056-2011, except for structural adjustments and editorial changes... Aside from the modifications, the main technical changes are as follows. a) The term "waste heat boiler" and its definition have been added (see 3.1); b) The term "waste heat utilization rate" and its definition have been changed, and the calculation formula has been deleted (see 3.4, GB/T 28056-2011). c) Added the terms chemical industry waste heat boiler, module interface, extended heating surface, shielding tube and their definitions (see 3.10, 3.16~). 3.18); d) Requirements for the designation of gas-fired combined cycle waste heat boilers have been added (see 4.2); e) The guarantee condition for waste heat utilization rate was changed from "operating under design parameters" to "operating under rated parameters", and the condition was deleted. "Not lower than the guaranteed value specified in the technical agreement" (see 5.2, 5.1.2 of GB/T 28056-2011); f) The deviation range requirement for superheated steam temperature has been changed, adjusting the superheated steam temperature from 450℃ to 475℃ (see Table 3). Table 3 of GB/T 28056-2011); g) Data on flue gas temperature for direct atmospheric emissions has been removed (see Table 4 of GB/T 28056-2011); h) Design requirements for special cases have been removed (see 5.2.6 of GB/T 28056-2011); i) The requirement for boiler overhaul intervals has been removed (see section 5.2.13 of GB/T 28056-2011); j) The requirements for the qualifications and responsibilities of manufacturing units have been removed (see 5.3.1 of GB/T 28056-2011); k) The requirements for the outer surface of the boiler body have been changed, and requirements for heat flow and temperature have been removed (see 5.7, GB/T 28056-). (2011, 5.2.10) l) The requirements for strength calculations have been changed, adding strength calculations for piping within the boiler area, strength calculations for component fillet welds, and strength calculations for hangers. The calculation requirements are detailed in section 6.3, section 5.2.5 of GB/T 28056-2011. m) The inspection of the boiler manufacturing process has been removed (see section 6.5 of GB/T 28056-2011); n) The testing requirements for new products have been removed (see section 6.6 of GB/T 28056-2011); o) Requirements for preventing overheating of the heating surface suspension device have been added (see 6.7); p) The requirements for quality inspection have been changed, and are no longer limited to welds, hydrostatic tests, etc. (see 7.4, 6.2~6.4 of GB/T 28056-2011); q) The requirements for boiler nameplates have been changed (see 8.2, GB/T 28056-2011 8.2); r) The requirements for boiler-related documentation have been changed (see 8.3, 8.3 and 8.4 of GB/T 28056-2011); s) The requirement for the qualification of boiler installation units has been removed (see 9.2 of GB/T 28056-2011); t) The requirement to stop the installation has been removed (see 9.3 of GB/T 28056-2011); u) The boiler acceptance test requirements have been changed, adding corrective measures when on-site conditions cannot meet the design operating conditions, and the acceptance test... The machine should be operated "after six months of normal operation", "within three months after completion and acceptance", or "immediately after commissioning and trial operation, at the latest". The phrase "should not be later than 3 months after the start of the assessment period (reliability operation)" should be changed to "within 6 months of normal operation; if it exceeds 6 months..." "Aging correction should be performed in [month]" (see 9.4, 10.2 of GB/T 28056-2011); v) The overall noise testing method for the boiler room has been changed to the standard [see 9.6b), 7.3 of GB/T 28056-2011; w) The requirement for quality liability has been removed (see Chapter 11 of GB/T 28056-2011); x) The manufacturing and acceptance standards for major boiler components have been revised (see Appendix A, Appendix A of GB/T 28056-2011); y) Special requirements for oxygen converter waste heat boilers have been added (see Appendix B); z) Special requirements for waste heat boilers in cement kilns have been added (see Appendix C); aa) Special requirements for gas-fired combined cycle waste heat boilers have been added (see Appendix D); bb) Added special requirements for waste heat boilers in the chemical industry (see Appendix E). Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed and is under the jurisdiction of the National Technical Committee on Standardization of Boilers and Pressure Vessels (SAC/TC262). This document was drafted by. Xizi Clean Energy Equipment Manufacturing Co., Ltd., and Shanghai Power Equipment Complete Set Design & Research Institute Co., Ltd. Company, Harbin Boiler Works Co., Ltd., Dongfang Electric Group Dongfang Boiler Co., Ltd., Shanghai Boiler Works Co., Ltd., Nantong Wanda Energy Power Technology Co., Ltd., Beijing Babcock Wilcox Co., Ltd., China Special Equipment Inspection and Research Institute, Dongfang Lingri Boiler Furnace Co., Ltd., Zhejiang Provincial Special Equipment Science Research Institute, Wuxi Huaguang Environmental Energy Group Co., Ltd., Jianglian Heavy Industry Group Co., Ltd. Limited Liability Company, Jinan Boiler Group Co., Ltd., Sichuan Chuanbo Boiler Co., Ltd., Taiyuan Boiler Group Co., Ltd., Hangzhou Hangbo Industrial Boiler Furnace Co., Ltd., and Hualu Engineering & Technology Co., Ltd. The main drafters of this document are. Yu Miao, Luo Fei, Zhou Zhaohui, Zhang Yifa, Jiang Xue, Su Hu, Yang Kaiying, Cao Yong, Wang Xinfeng, Liu Cenfan, and Li Wenjie. Chen Zhengyu, Gu Jie, Jiao Zhiwu, Wang Haifeng, Zeng Qiang, Guo Xuemao, Zhang Tongwei, Wang Lei. The release history of this document and the document it replaces is as follows. ---First published in.2011 as GB/T 28056-2011; ---This is the first revision, incorporating GB/T 28057-2011 "Technical Conditions for Waste Heat Boilers in Oxygen Converters" and GB/T 30576- 2014 "Technical Conditions for Waste Heat Boilers in Cement Kilns" and GB/T 30577-2014 "Technical Conditions for Gas-Steam Combined Cycle Waste Heat Boilers" Item. Technical Specifications for Waste Heat Boilers

1 Scope

This document specifies the product model, general requirements, design, manufacturing and inspection, painting, packaging, marking and accompanying documents, and safety procedures for waste heat boilers. Installation, acceptance, and operation. This document applies to waste heat boilers using water as the working fluid, including gas-fired steam combined cycle boilers, oxygen converter waste heat boilers, cement kiln waste heat boilers, and... The design, production, and inspection of waste heat boilers in the chemical industry shall be carried out with reference to other waste heat boilers.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 1576 Industrial Boiler Water Quality GB/T 2900.48 Electrical Terminology - Boiler GB 3096 Environmental Quality Standard for Noise GB/T 10863 Thermal test methods for flue-type waste heat boilers GB/T 12145 Water and steam quality of thermal power generating units and steam power equipment GB 12348 Emission Standard for Environmental Noise at the Boundary of Industrial Enterprises GB 13223 Emission Standard of Air Pollutants for Thermal Power Plants GB/T 16507.2 Water-tube boilers - Part 2.Materials GB/T 16507.3 Water-tube boilers - Part 3.Structural design GB/T 16507.4 Water-tube boilers - Part 4.Strength calculation of pressure-bearing components GB/T 16507.5 Water-tube boilers - Part 5.Manufacturing GB/T 16507.6 Water-tube boilers – Part 6.Inspection, testing and acceptance GB/T 16508.2 Boilers with Shells - Part 2.Materials GB/T 16508.3 Shell Boilers - Part 3.Design and Strength Calculation GB/T 16508.4 Shell Boilers - Part 4.Manufacturing, Inspection and Acceptance GB/T 26281 Calculation Method for Heat Balance, Thermal Efficiency and Comprehensive Energy Consumption of Cement Rotary Kilns GB/T 26282 Method for Determination of Heat Balance in Cement Rotary Kiln GB 50016 Code for Fire Protection Design of Buildings GB 50041 Boiler Room Design Standard GB 50049 Design Code for Small Thermal Power Plants GB 50160 Fire Protection Design Standard for Petrochemical Enterprises GB 50242 Code for Acceptance of Construction Quality of Building Water Supply, Drainage and Heating Engineering GB 50273 Standard for Construction and Acceptance of Boiler Installation Engineering GB 50588 Design Standard for Waste Heat Power Generation in Cement Plants GB 55037 General Code for Fire Protection of Buildings DL/T 468 Guidelines for Selection and Use of Power Plant Boiler Fans ...