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GB/T 34542 consists of the following parts under the general title Storage and transportation systems for gaseous hydrogen:
——Part 1: General requirements;
——Part 2: Test methods for evaluating metallic material compatibility in hydrogen atmosphere
——Part 3: Test method for determination of the susceptibility of metallic materials to hydrogen gas embrittlement (HGE)
——Part 4: Technical requirements for storage system for gaseous hydrogen;
——Part 5: Technical requirements for transportation system for gaseous hydrogen;
——Part 6: Technical requirements for compression system for gaseous hydrogen;
——Part 7: Technical requirements for filling system for gaseous hydrogen;
——Part 8: Technical requirements for fire and explosion protection.
This is Part 1 of GB/T 34542.
This part is developed in accordance with the rules given in GB/T 1.1-2009.
This part was proposed by and is under the jurisdiction of SAC/TC 309 the National Technical Committee on Hydrogen Energy of Standardization Administration of China.
Storage and transportation systems for gaseous hydrogen -
Part 1: General requirements
1 Scope
This part of GB/T 34542 specifies the general requirements for the overall design, safety accessories, installation and commissioning, operation management and risk assessment of storage and transportation systems for gaseous hydrogen (hereinafter referred to as the system).
This part is applicable to storage system, transportation system, compression system and filling system for gaseous hydrogen, as well as the combined system with working pressure not higher than 140 MPa and ambient temperature not lower than -40℃ and not higher than 65℃.
2 Normative references
The following referenced documents are indispensable for the application 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 2894 Safety signs and guideline for the use
GB 3836.1 Explosive atmospheres - Part 1: Equipment - General requirements
GB 12014 Static protective clothing
GB 12358 Gas monitors and alarms for workplace - General technical requirements
GB/T 15706 Safety of machinery - General principles for design - Risk assessment and risk reduction
GB 16808 Combustible gas alarm control units
GB 21146 Personal protective equipment - Occupational footwear
GB/T 24353 Risk management - Principles and guidelines on implementation
GB/T 24499 Technology glossary for gaseous hydrogen, hydrogen energy and hydrogen energy system
GB/T 27921 Risk management - Risk assessment techniques
GB/T 29729 Essential requirements for the safety of hydrogen systems
GB 50058 Code for design of electrical installations in explosive atmospheres
GB 50177 Design code for hydrogen station
GB 50516 Technical code for bydrogen fuelling station
TSG D0001 Pressure pipe safety technology supervision regulation for industrial pressure pipe
TSG 21 Supervision regulation on safety technology for stationary pressure vessel
TSG R0005 Supervision regulation on safety technology for transportable pressure vessel
TSG R0006 Supervision regulation on safety technology for gas cylinder
TSG R0009 Gas cylinders safety and technical supervision regulation for vehicles
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 24499 and the following apply.
3.1
storage and transportation systems for gaseous hydrogen
storage system, transportation system, compression system and filling system for gaseous hydrogen, as well as the combined system
3.2
stationary storage systems for gaseous hydrogen
storage systems for gaseous hydrogen with fixed location for installation and use
3.3
mobile storage systems for gaseous hydrogen
storage systems for gaseous hydrogen installed on one or more movable bases
3.4
safety accessories
safety devices installed on the system or equipment for safe operation of the system, including overpressure relief device, emergency cut-off device, safety interlock device, back-fire relief valve, etc
3.5
risk assessment
process of determining the risk level of risk by analyzing the frequency and consequences of accidents in system or operation activities, and comparing them with risk acceptance criteria
4 General requirements
4.1 Basic requirements
4.1.1 The system shall follow the following basic principles:
a) It shall control the storage volume of gaseous hydrogen on the premise of meeting the demands;
b) It shall control the leakage source and fire source;
c) It shall control the personnel in the explosive hazardous area and their dwell time;
d) The system shall not be in a negative pressure state;
e) The nitrogen replacement interfaces shall be provided for the system;
f) The temperature, pressure, flow and other system operating parameters shall be remotely monitored and controlled;
g) Independent safety system shall be installed so that emergency and alarm may be automatically triggered in case of abnormality, fault or malfunction.
4.1.2 The area where the system is used shall be well ventilated and be such that the volume fraction of gaseous hydrogen in the air does not exceed 1%.
4.1.3 The fire hazard level of the system shall be Level A, and the classification of the explosive hazardous area shall meet the requirements of GB 50177, GB 50516 and GB 50058.
4.1.4 The quality of gaseous hydrogen in the system shall meet the requirements of use and requirements of relevant standards.
4.1.5 The design, manufacture, installation and operation units of the system shall establish a sound quality management system and operate it effectively, and the operation unit shall also establish a safety protection management system.
4.1.6 The unit using the system shall formulate emergency rescue plan and conduct accident emergency drills on a regular basis.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements