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Technical requirements for coal mine compressed air self-rescue system
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Basic data
| Standard ID | GB 47291-2026 (GB47291-2026) |
| Description (Translated English) | Technical requirements for coal mine compressed air self-rescue system |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | D09 |
| Classification of International Standard | 13.340 |
| Word Count Estimation | 18,140 |
| Date of Issue | 2026-02-27 |
| Date of Implementation | 2026-09-01 |
| Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China |
GB 47291-2026: Technical requirements for coal mine compressed air self-rescue system
---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 13.340
CCSD09
National Standards of the People's Republic of China
Technical Requirements for Coal Mine Compressed Air Self-Rescue System
Published on 2026-02-27
Implemented on 2026-09-01
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 1
4 System Composition 2
5.General Requirements 2
5.1 General Requirements 2
5.2 Compressed Air Station 3
5.3 Piping and ancillary facilities 3
5.4 Compressed air self-rescue supply valve and compressed air self-rescue device 3
5.5 Monitoring Instruments and Meters
6.Indicator signs 5.
6.1 Warning Signs 5
6.2 Road Signs 5
6.3 Lighting 5
7.Management, maintenance, and inspection 5.
7.1 Management 5
7.2 Maintenance 6
7.3 Inspection 6
Appendix A (Normative) Classification, Models, Identification, and Accompanying Documents of Compressed Air Self-Rescue Devices 7
A.1 Classification 7
A.2 Model 7
A.3 Identification and Random Files 7
Appendix B (Normative) Test Methods and Inspection Rules for Compressed Air Self-Rescue Devices 9
B.1 Test Instruments and Meters 9
B.2 Test Methods 9
B.3 Inspection Rule 11
Appendix C (Normative) Production of Indicative Signs 13
C.1 Classification and Composition 13
C.2 Production and Use 13
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.
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 Mine Safety Administration.
Technical Requirements for Coal Mine Compressed Air Self-Rescue System
1 Scope
This document establishes the composition and inspection rules for coal mine compressed air self-rescue systems, and specifies the general requirements and indicators for such systems.
The document describes the identification, management, maintenance, and inspection of compressed air self-rescue devices, as well as their classification, models, markings, and accompanying documentation. It also outlines the testing procedures for these devices.
method.
This document applies to the construction, management, and maintenance of coal mine compressed air self-rescue systems.
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 2626-2019 Respiratory Protection - Self-priming Filtering Respirators for Particulate Matter
GB/T 3836.1 Explosive Atmospheres – Part 1.General Requirements for Equipment
GB/T 3836.2 Explosive atmospheres – Part 2.Equipment protected by flameproof enclosures “d”
GB/T 3836.4 Explosive atmospheres – Part 4.Equipment protected by intrinsic safety type “i”
GB/T 4208-2017 Degrees of protection provided by enclosures (IP code)
GB/T 9969 General Rules for Instructions for Use of Industrial Products
GB/T 10111 Random Number Generation and Its Application in Product Quality Sampling Inspection
GB 14161 Mine Safety Signs
GB 31975-2025 Technical Requirements for Compressed Air for Respiratory Protection
GB 50029 Design Code for Compressed Air Stations
GB 50215-2015 Code for Design of Coal Mine
AQ6201 General Technical Requirements for Coal Mine Safety Monitoring Systems
MT/T 113 General Test Methods and Judgment Rules for Flame Retardancy and Antistatic Properties of Polymer Products Used in Underground Coal Mines
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
compressed air self-rescue
This is a self-rescue method in which people using a compressed air system obtain fresh air to achieve safe breathing conditions.
3.2
compressed air self-rescue system
Equipment, pipelines, and devices that compress and deliver air to underground mine roadways, safety facilities, and work sites to provide personnel with compressed air for self-rescue.
It is an organic whole consisting of equipment and facilities for monitoring and ensuring its safe and stable operation.
3.3
Compressed air self-delivery valve
Special air supply valves used by personnel to carry out compressed air self-rescue.
Note. When this valve is opened, compressed air can be delivered to its location.
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