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GB/T 47039-2026Hydrogen metallurgy - Technical requirements for hydrogen-rich systems in blast furnace smelting (English PDF)

氢冶金　高炉冶炼富氢系统技术要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

January 28, 2026

Implementation date

May 1, 2026

Scope

GB/T 47039-2026 is the English-translated version of 氢冶金　高炉冶炼富氢系统技术要求.

GB/T 47039-2026 is the Chinese standard "Hydrogen metallurgy - Technical requirements for hydrogen-rich systems in blast furnace smelting".

Its scope clause reads: This document specifies the principles and technological process, general provisions, equipment and operating system of the hydrogen-rich blast furnace smelting system, and outlines its operation.

Management and maintenance requirements. This document applies to the design, operation, management, and maintenance of hydrogen-rich systems for newly built, renovated, or expanded blast furnace smelting in the steel industry. Its clauses include terms and definitions.

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Document preview — GB/T 47039-2026

National Standard of the People's Republic of China

ICS: 77.080
Classification: H 40

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

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Principles and Process Flow
4.1 Principle
4.2 Process Flow
5 General Provisions
5.1 Layout of the hydrogen-rich system in blast furnace smelting
5.2 Requirements for hydrogen-rich gas and purging nitrogen
5.3 Pipeline
5.4 Power supply, electrical and instrumentation equipment
5.5 Fire Protection Design and Firefighting
5.6 Lightning protection and grounding
6.Devices and Operating Systems
6.1 Basic Components
6.2 Gas storage device
6.3 Hydrogen-rich main valve assembly
6.4 Distributor
6.5 Gas Path Switching Device
6.6 Hydrogen-rich branch valve assembly
6.7 Hydrogen-rich spray gun
6.8 Nitrogen purge valve assembly
6.9 Venting and exhaust system
6.10 Alarm Device
6.11 Hydrogen-rich operation control system
7.Operation Management and Maintenance
7.1 Hydrogen-rich operation
7.2 Stopping and Re-enriching Hydrogen Operations
7.3 System Emergency Shutdown Operation
7.4 Blast Furnace Hydrogen-Rich Smelting Operation
7.5 Safety Risk Management
7.6 Maintenance
Appendix A (Informative) Calculation of Safe Surplus Reserves for Gas Storage Facilities
Appendix B (Informative) Component Layout of Key Units in Blast Furnace Hydrogen-Rich Smelting System

1 Scope

This document specifies the principles and technological process, general provisions, equipment and operating system of the hydrogen-rich blast furnace smelting system, and outlines its operation.

Management and maintenance requirements.

This document applies to the design, operation, management, and maintenance of hydrogen-rich systems for newly built, renovated, or expanded blast furnace smelting in the steel industry.

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 4830 Pressure range and quality of air source for industrial automation instruments

GB 4962 Safety Technical Regulations for the Use of Hydrogen

GB 12358 General Technical Requirements for Gas Detection and Alarm Instruments in the Workplace

GB 15322.1 Combustible gas detectors – Part 1.Point-type combustible gas detectors for industrial and commercial use

GB 16808 Combustible Gas Alarm Controller

GB/T 20801 (All Parts) Pressure Piping Specification for Industrial Piping

GB/T 24499 Hydrogen, Hydrogen Energy and Hydrogen Energy Systems Terminology

GB/T 29729 Basic requirements for the safety of hydrogen systems

GB/T 38927 Technical Specification for Methanol Production from Coke Oven Gas

GB/T 40789 Performance characteristics of online automatic measurement system for carbon monoxide, carbon dioxide and oxygen content in gas analysis

The determination

GB 50016 Code for Fire Protection Design of Buildings

GB 50052 Code for Design of Power Supply and Distribution Systems

GB 50058 Design Code for Electrical Installations in Explosive Atmospheres

GB 50116 Code for Design of Automatic Fire Alarm Systems

GB 50177 Design Code for Hydrogen Stations

GB 50217 Standard for Design of Cables for Power Engineering

GB 50406 Code for Environmental Protection Design of Iron and Steel Industry

GB 50414 Fire Protection Design Standard for Iron and Steel Metallurgical Enterprises

GB 50427 Code for Design of Blast Furnace Ironmaking Engineering

GB 50516 Technical Specifications for Hydrogen Refueling Stations

AQ2002 Ironmaking Safety Regulations

3 Terms and Definitions

The terms and definitions defined in GB/T 24499 and GB 50427, as well as the following terms and definitions, apply to this document.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

Referenced standards

Normative references

GB 50516

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