GB/T 3634.1-2006 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 3634.1-2006 | English | 115 |
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Hydrogen - Part 1: Industrial hydrogen
| Valid |
| GB/T 3634-1995 | English | 239 |
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Hydrogen
| Obsolete |
| GB 3634-1983 | English | 279 |
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Commercial hydrogen
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GB/T 3634.1-2006: Hydrogen - Part 1: Industrial hydrogen---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT3634.1-2006
GB
NATIONAL STANDARD
ICS 71.100.20
G 86
Replacing GB/T 3634-1995
Hydrogen – Part 1.Industrial hydrogen
Issued on. JANUARY 23, 2006
Implemented on. NOVEMBER 01, 2006
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Requirements... 6
4 Test method... 6
5 Packaging, marking and storage... 8
6 Safety requirements... 8
Appendix A (Normative) Determination of oxygen, hydrogen and nitrogen in
industrial hydrogen... 10
Appendix B (Normative) Determination of chlorine and alkali in industrial
hydrogen... 13
Appendix C (Informative) Hydrogen volume conversion... 16
Foreword
GB/T 3634 “Hydrogen” is divided into the following two parts
- Part 1.Industrial hydrogen;
- Part 2.Pure hydrogen, high pure hydrogen and ultrapure hydrogen.
This part is part 1 of GB/T 3634.
This part replaces GB/T 3634-1995 “Industrial hydrogen”.
As compared with GB/T 3634-1995, the main changes of this part are as
follows.
- In the Chapter of scope, ADD the hydrogen production methods and
industrial hydrogen application scopes (Chapter 1 of this version);
- ADD the relevant normative references (Chapter 2 of this version);
- IMPROVE the requirements for nitrogen content and argon content
(Chapter 3 of the 1995 version; Chapter 3 of this version);
- ADD the inspection rules for containerized products (SEE clause 4.1.1 and
4.1.2 of this version);
- MODIFY the test method; ADD the method of determining oxygen and
oxygen components (clause 4.3 of 1995 version; Appendix A of this
version);
- INCLUDE the chlorine and alkali measurement device schematics into the
normative appendix (Figure 2 of 1995 version; Appendix B of this version);
- INCLUDE the hydrogen volume calculation into the informative appendix
(clause 6.6 and Appendix A of 1995 version; Appendix C of this version).
Appendix A and Appendix B of this part are normative, AND Appendix C is an
informative appendix.
This part was proposed by the China Petroleum and Chemical Industry
Association.
This part shall be under the jurisdiction of the National Gas Standardization
Technical Committee.
The drafting organizations of this part. Southwest Chemical Research and
Design Institute, Jiangsu Xinyuan Group Corporation Wuxi Xinyuan Science
Gas Factory, Beijing Saisi Ruitai Science and Technology Co., Ltd.,
Guangming Chemical Research and Design Institute, Shandong Institute of
Semiconductor.
The main drafters of this part. Wang Shaonan, Cai Tijie, Shen Tao, Zhang
Bingxin, Chen Yali.
This part replaces the standard previously issued as follows.
- GB 3634-1983, GB/T 3634-1995.
Hydrogen – Part 1.Industrial hydrogen
1 Scope
This part specifies the requirements, test methods, packaging and marking,
storage, transportation and safety requirements for industrial hydrogen.
This part is suitable for the hydrogen contained in cylinder, containerized, and
pipeline delivery which is made from chemical cracking, electrolysis,
adsorption, membrane separation, hydrogenation and other methods. It is
mainly used for such industries as the manufacturing, metal smelting, cutting,
and welding of petroleum, food, fine chemicals, glass and artificial gem.
Molecular formula. H2
Relative molecular mass. 2.01588 (in accordance with the 2001 International
Relative Atomic Scale)
2 Normative references
The provisions in following documents become the provisions of GB/T 3634.1
through reference in GB/T 3634.1.For the dated references, the subsequent
amendments (excluding corrections) or revisions do not apply to GB/T 3634.1;
however, parties who reach an agreement based on GB/T 3634.1 are
encouraged to study if the latest versions of these documents are applicable.
For undated references, the latest edition of the referenced document applies.
GB 190 Packaging symbol of dangerous goods
GB/T 3723 Sampling of chemical products for industrial use – Safety in
sampling (GB/T 3723-1999, idt ISO 3165.1976)
GB 4962 Technical safety regulation for gaseous hydrogen use
GB 5099 Seamless steel gas cylinder (GB 5099-1994, neq ISO 4705.1983)
GB/T 5832.2 Gas analysis - Determination of moisture – Part 2.Dew point
method
GB/T 6285 Determination of trace oxygen in gases - Electrochemical
method
3 Requirements
3.1 Technical indicators of industrial hydrogen shall comply with the
requirements of Table 1.
4 Test method
4.1 Sampling, judgment and re-inspection
4.1.1 The industrial hydrogen contained in cylinders shall be subjected to
random sampling inspection in accordance with the provisions of Table 2, AND
acceptance in batches.
4.1.2 The containerized hydrogen products shall be subjected to random
sampling inspection in accordance with the provisions of Table 2, AND
acceptance in batches. When any one indicator of the inspection results fails to
comply with the technical requirements of this part, this batch of products shall
be deemed as disqualified.
4.2 Hydrogen purity
The purity of hydrogen is calculated in accordance with formula (1).
4.3 Determination of moisture content
4.3.1 Determination of free water in first grade and qualified products
It is determined by inversion method. At the ambient temperature, PLACE the
hydrogen cylinder vertically inverted for about 10 min; slightly OPEN the
cylinder valve to let the free water flow into a dry and clean vessel at the mini
flow; CLOSE the cylinder valve when there is hydrogen. USE a measuring
cylinder to meter the flowing out water, the volume of which shall comply with
the corresponding provisions of Table 1.
4.4 Determination of oxygen, argon and nitrogen contents
4.4.1 Determination of oxygen, argon and nitrogen contents are given in
Appendix A.
5 Packaging, marking and storage
5.1 Hydrogen cylinders shall comply with the provisions of GB 5099, AND the
cylinder color mark shall comply with the provisions of GB 7144.When
transporting, the hydrogen cylinders shall be marked with the signs as
specified in GB 190.
5.2 The filling, marking and storage of hydrogen shall comply with the relevant
provisions of GB 14194 and the Gas cylinder safety supervision provisions.
5.5 Hydrogen shall be attached with a quality certificate during exit-factory,
which shall include at least.
5.6 Calculation of hydrogen volume
SEE Appendix C for the calculation of hydrogen volume.
6 Safety requirements
6.1 The production, use and storage of hydrogen shall comply with the relevant
provisions of GB 4962, Provisions on safety management of hazardous
chemicals, and Special equipment safety supervision provisions.
6.2 Hydrogen is colorless, tasteless, flammable and explosive gas. The
hydrogen mixed with chlorine, oxygen, carbon monoxide, and air has a risk of
explosion. As the hydrogen is low in ignition point and high in explosion energy,
it shall pay special attention to its production, use, storage, and transportation.
The explosion limits of these mixtures are as follows.
6.3 Hydrogen accumulates in the room AND is at risk of explosion when the
content reaches the explosion limit. In the hydrogen atmosphere, people are at
risk of suffocation.
6.4 Before maintaining or handling hydrogen pipeline, equipment, cylinders,
etc., it must use the nitrogen to replace the hydrogen content (or other
methods) to a level suitable for hot work in advance.
6.5 Hydrogen leaking from the cylinder nozzle or in rapid discharge has the
risk of catching fire; therefore, it shall ensure that the cylinder nozzle and valve
are free from leakage and the cylinder cap is tightened when the cylindered
hydrogen is exit-factory; when using the cylindered hydrogen, it shall open the
cylinder valve slowly.
6.6 The cylindered hydrogen shall be stored at a well-ventilated place free from
open fire and away from heat source or oxidant. The architecture, electrical,
fire resistance, and explosion proof requirements of the cylindered hydrogen
warehouse shall comply with the relevant provisions.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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