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GB/T 50938-2013Technical code for low temperature steel storage tanks in petrochemical engineering (English PDF)

石油化工钢制低温储罐技术规范(附条文说明)

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Issued by

Ministry of Housing and Urban-Rural Development of the

Level / Type

National · Recommended

Issue date

November 1, 2013

Implementation date

June 1, 2014

Scope

GB/T 50938-2013 is the English-translated version of 石油化工钢制低温储罐技术规范(附条文说明).

GB/T 50938-2013 — 1.0.1 This specification is hereby established to standardize the design and construction of petrochemical steel low-temperature storage tanks.

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Document preview — GB/T 50938-2013

National Standard of the People's Republic of China

Issued by: Ministry of Housing and Urban-Rural Development of the

Foreword6
1 General provisions8
2 Terms9
3 Basic requirements11
3.1 Tank type11
3.2 General requirements15
4 Material18
4.1 General requirements18
4.2 Metal tanks18
4.3 Concrete23
5 Metal parts design25
5.1 General requirements25
5.2 Primary and secondary container27
5.3 Vapor container33
5.4 Suspend roof38
5.5 Pipe38
5.6 Bottom of primary and secondary container40
5.7 Primary and secondary container connection41
5.8 Other requirements41
6 Concrete components design42
6.1 General requirements42
6.2 Liquid tightness43
6.3 Concrete tanks44
7 Insulation47
7.1 Performance characteristics, testing and selection of insulating materials47
7.2 Outer tank and protection of insulation48
7.3 Insulation design49
7.4 Installation53
8 Metallic parts construction, testing, inspection and acceptation54
8.1 General requirements54
8.2 Material management54
8.3 Shop fabrication56
8.4 Site installation57
8.5 Welding61
8.6 Inspection65
9 Concrete components construction71
10 Testing73
10.1 Hydrostatic test73
10.2 Pneumatic test75
Appendix A Primary physical properties of products78
Appendix B Design information79
Appendix C Seismic design81
Appendix D Testing for reinforced steel82
Appendix E Insulation materials and purpose84
Explanation of wording in this code86
List of quoted standards87

Foreword

This specification is, in accordance with the requirements of the requirements of the original Ministry of Construction "Notice on the issuance of 2006 construction standards development and revision plan (second batch)" (Jianbiao [2006] No.136), jointly compiled by the China Petrochemical Corporation and Sinopec Luoyang Engineering Co., Ltd.

In the compilation process, the compilation group conducted extensive investigation and study, conscientiously summed up the practical experience, consulted the foreign advanced standards, collected opinions extensively, completed the draft for approval, and finally finalized the draft.

This specification is divided into 10 chapters and 5 appendixes, AND the main technical content includes. General provisions, terms, basic requirement, materials, metal parts design, concrete components design, insulation, metallic parts construction, testing, inspection and acceptation, concrete components construction, testing, and so on.

As for this specification, the Ministry of Housing and Urban-Rural Development is responsible for its management, the China Petrochemical Corporation is responsible for daily management, AND the SINOPEC Luoyang Engineering Co., Ltd is responsible for the interpretation of the specific technical contents.

Any opinions and suggestions on this specification in the implementation process please send to SINOPEC Luoyang Engineering Co., Ltd. (Address.

No.27 Zhongzhou West Road, Luoyang City, Henan Province, Postal Code.

471003) for future reference during revision.

The responsible drafting unit, participating drafting unit, participating unit, main drafters and the main examiners of this specification are as follows.

Responsible drafting units. China Petroleum & Chemical Corporation SINOPEC Luoyang Engineering Co., Ltd Participating drafting units. SINOPEC Nanjing Engineering Co., Ltd China Petrochemical Engineering Construction Co., Ltd Participating units. SINOPEC Fourth Construction Co., Ltd Main drafters. Xu Maokun, Chen Chonggang, Li Hongbin, Wei Xiaohui, Wang Songsheng; Zheng Xianglong, Huo Ruimin, Lai Jindong, Leng Technical code for low temperature steel storage tanks in petrochemical engineering

1 General provisions

1.0.1 This specification is hereby established to standardize the design and construction of petrochemical steel low-temperature storage tanks.

1.0.2 This specification applies to the design and construction of the steel

vertical cylindrical aboveground single containment tank, double containment tank and full containment tank which is used to store the hydrocarbons or ammonia of boiling point 0 °C ~ - 165 °C AND for which the design pressure is not more than 50 kPa.

This specification does not apply to thin-film tanks and primary tanks only using prestressed concrete.

1.0.3 The petrochemical steel low-temperature storage tank shall, in addition to the main tanks and its associated components as a whole, also be composed of the following.

1 The connection of tanks and the external pipes shall include the following.

1) The groove end surface of the first circumferential joint of the welded connection;

2) The end surface of the first threaded joint of the threaded connection;

3) The first flange sealing surface of the flanged connection;

4) The first sealing surface of the special connection or pipe connecti...

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 87 pages — is available in the English PDF.

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