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GB/T 30503-2014: General specification for marine nitrogen gas generator
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GB/T 30503-2014: General specification for marine nitrogen gas generator

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General specification for marine nitrogen gas generator ICS 47.020.50 U42 National Standards of People's Republic of China Marine Nitrogen devices General Issued on. 2014-02-19 2014-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Category 2 4.1 Category 2 4.2 Basic parameters 2 4.3 products mark 3 5 requires 3 5.1 Structure and Design 3 5.1.1 Structure 3 5.1.2 Design 3 5.1.3 Control and Protection 4 5.2 Exterior 5 5.3 material 5 5.4 Performance 6 5.4.1 nitrogen purity and flow 6 5.4.2 Start time 6 5.4.3 Noise 6 5.4.4 Strength 6 5.4.5 tightness 6 5.4.6 Electrical Performance 6 5.5 Continuous operation 6 5.6 Environmental Adaptability 6 6 Test methods 7 6.1 Test conditions 7 6.2 Test measurement instruments 7 6.3 Test items and methods 7 6.3.1 Appearance 7 6.3.2 Materials 7 6.3.3 nitrogen flow 7 6.3.4 Nitrogen purity 8 6.3.5 Start time 8 6.3.6 Noise 8 6.3.7 Strength 8 6.3.8 tightness 8 6.3.9 Electrical Performance 8 6.3.10 Operating mode 9 6.3.11 control 9 6.3.12 system monitoring and security 9 6.3.13 continuous operation 10 6.3.14 environmental adaptability 10 7 Inspection rules 10 7.1 Inspection classification 10 10 7.2 Type inspection 7.3 factory inspection 11 8 Marking 11 11 8.1 Product Marking 8.2 Package Marking 12 9 packaging, transportation and storage 12 9.1 Packaging 12 9.2 Transport 12 9.3 Storage 12 Appendix A (normative) block diagram of the apparatus 13 PSA Nitrogen Appendix B (normative) structure diagram 14 membrane nitrogen unit Figure A.1 pressure swing adsorption nitrogen block diagram of the device 13 14 block diagram Figure B.1 membrane nitrogen unit 21 basic parameters of nitrogen plant Table 2 system monitoring and security 4 Table 3 main parts nitrogen plant material 6 Table 4 System Monitoring and security pilot projects and 9 Table 5 nitrogen plant inspection items and the order of 11

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China State Shipbuilding Corporation. This standard by the National Marine Machinery Standardization Technical Committee (SAC/TC137) centralized. This standard was drafted. Nantong Yatai Ship Engineering Co., Ltd., China Shipbuilding Technology and Economy Research Institute. The main drafters of this standard. Wang Derong, Gu Wencai, Wei Huaxing. Marine Nitrogen devices General

1 Scope

This standard specifies the classification of marine nitrogen plant (hereinafter referred to as nitrogen plant), requirements, test methods, inspection rules and signs, including Loading, transportation and storage. This standard applies to the design pressure of not higher than 3.0MPa, design temperature no higher than 150 ℃ PSA nitrogen plant and a membrane separation system Design, manufacture and acceptance nitrogen device, also applies to offshore oil platforms using nitrogen plant.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 569 Marine flange connection dimensions and sealing surface GB/T 600 marine piping valves General technical requirements GB/T 699-1999 quality carbon structural steel GB 713-2008 boiler and pressure vessel steel plate GB/T 1220-2007 stainless steel rod GB/T 2423.1 Environmental testing for electric and electronic products Part 2. Test methods Test A. Cold GB/T 2423.2 Environmental testing for electric and electronic products Part 2. Test methods Test B. Dry heat GB/T 2423.3 Environmental testing for electric and electronic products Part 2. Test methods - Test Cab. Damp heat test GB/T 2423.10 Environmental testing for electric and electronic products Part 2. Test methods Test Fc. Vibration (sinusoidal) GB/T 2423.17 Environmental testing for electric and electronic products Part 2. Test methods - Test Ka. Salt GB/T 2501 Marine flange connection dimensions and sealing surface GB/T 3783-2006 Marine low-voltage electrical basic requirements GB/T 3785.1-2010 Electric Acoustic Sound Level Meters - Part 1. Specification GB 4208-2008 shell protection (IP code) GB/T 7061 Marine Low-voltage switchgear and control equipment Electromagnetic compatibility GB/T 10250 marine electrical and electronic equipment GB/T 10606-2008 air separation plant GB/T 11037 marine boiler and pressure vessel strength and tightness test methods GB/T 13306 signs GB/T 13384 mechanical and electrical products packaging General technical conditions Choose GB/T 17436 ship hazardous areas explosion-proof electrical equipment GB 50235 industrial metal pipeline construction norms CB/T 3161-1992 marine auxiliary boiler control box technical conditions JB/T 5902 Technical condition for air separation plant oxygen pipeline JB/T 6427 PSA oxygen, nitrogen production equipment JB/T 6896 air separation plant surface cleanliness ...