THUN EOS Fuel Handling Manual - MF Shipping group [2018, PDF]

Содержание

Part I: Fuel specific
1. Description of LNG and handling hazards 7
1.1 LNG: Natural Gas, refrigerated, liquid 7
1.2 Classification of the substance or mixture 7
1.3 Precautionary Statements 7
1.4 First aid measures 8
1.4.1 First Aid Inhalation: 8
1.4.2 First Aid Skin / Eye: 8
1.4.3 First Aid Ingestion: 8
1.4.4 Most important symptoms and effects, both acute and delayed 8
1.5 Dangers of asphyxiation from inert gas on the ship 8
1.6 Oxygen level 9
1.5.1 The ambiguity of inert gases 9
1.5.2 Confined or potentially confined spaces and enclosures 10
1.5.3 Areas near where inert gases are vented or may collect 10
1.7 Firefighting measures 10
1.8 Personal protective equipment 10
1.8.1 Eye and face protection 10
1.8.2 Body protection 10
Part II: Sytstem specific
2. Description of the LNG system 11
3. Bunkering system 12
3.1 Bunkering station 12
3.2 Drip tray 12
3.3 Maximum loads at the manifold flange 13
4. LNG storage system 14
4.1 LNG storage tank 14
4.2 Pressure build-up evaporator 15
4.3 Main gas evaporator 15
4.4 Heating media system 15
5. Safety and protection systems 16
5.1 Nitrogen system 16
5.2 Vent valves 16
5.3 Pressure relief valves 16
5.4 Ventilation 17
5.5 Gas and fire detection system 17
6. Control system 17
6.1 PLC cabinet 17
6.2 Solenoid valve cabinet 17
7. Operator station 17
7.1 Process overview page 18
7.2 Command windows 18
7.3 Process detail page 19
7.4 Bunkering page 20
7.5 Shutdown overview page 21
8. Instrumentation 22
9. Automation modes 22
10. Control functions 22
10.1 Bunkering 22
10.2 Pressure build-up and control 22
10.2 Gas feed to the gas consumer 23
10.3 Valve position monitoring 23
10.4 Shutdown 24
11. Bunkering electrical interface 24
Part III: Technical specifications
12. Technical specifications 25
12.1 General System Description 25
12.2 LNG 25
12.3 LNG fuel storage tank 25
12.4 Tank Connection Space (TCS) 25
12.5 Bunker Station (BS) skid 26
12.6 LNGPac automation system 26
12.7 Heating media system 26
12.8 Design criteria - LNG fuel gas consumers 26
12.9 System design layout & operational specifications 27
12.10 Typical operating and design features: 27
12.11 Normal Operation: 28
12.12 Emergency operation: 28
12.13 Bunkering: 28
12.14 Boil Off Gas Management: 28
12.15 System design and class approval 28
12.16 LNG fuel storage Tank: 28
12.17 Tank Connection Space: 30
12.18 Pressure Build up Evaporator (PBE) 31
12.19 Main Gas Evaporator (MGE) 31
12.20 Master Isolating Valve 31
12.21 Master fuel gas valve 31
12.22 Remote controlled valves 32
12.23 Manual isolating valves 32
12.24 Double block and bleed valves 32
12.25 Safety Relief Valves 32
12.26 Thermal Relief Valves 32
12.27 Level measurement and overfilling protection 32
12.28 Junction box 32
12.29 Pneumatic valve control cabinet 32
12.30 Gas detectors 32
12.31 Heating Media System 32
12.32 Nitrogen system 33
12.33 Bunker Station skid 33
12.34 Gas detection system 34
12.35 GDS Central Unit 34
12.36 GDS Control and Repeat Panel 34
12.37 GDS Human Machine Interfacing 34
Part IV: Operational procedures
13. Drying, inerting and precooling 36
13.1 Purpose of cooling down 36
13.2 Pre requirements 36
13.3 Responsibilities 36
13.4 Procedure for nitrogen cooling down 36
13.5 Foreseen human resources 37
14. Preparation and system drying 38
15. Inerting and drying of the tank and piping 39
16. LNG tank cooling down 42
17. Process completion 43
18. First LNG bunkering 43
19. Temperature, pressure and rollover 44
19.1 Bunkering (Loading) Temperature 44
19.2 Filling Limit 44
19.3 Reference Temperature 44
19.4 Loading Limit 44
19.5 Effect of Temperature and Pressure on Loading Limit 44
19.6 Rollover 46
20. System specific bunkering procedure system 47
20.1 Bunkering station 47
20.2 Bunkering control 48
20.3 LNG supplier 48
20.4 Emergency shutdown 48
20.5 ESD valve test prior to bunkering 48
20.6 Inerting of LNG hose and precooling of bunkering system 48
20.7 Inerting of vapour return hose and lowering tank pressure 49
20.8 Start bunkering 50
20.9 Stop bunkering 50
20.10 After bunkering 50
20.11 Safety system 51
20.11.1 Filling limit for the tank 51
20.11.2 Tank pressure control 51
20.11.3 Overpressure protection 51
21. Fuel Specifications and Quality, Sampling 52
22. LNG bunkering & safety procedures 54
22.1 Risk assessment 54
22.2 Emergency shut-down system (ESD system) 54
22.3 Pre-bunkering verification 55
22.4 Weather restrictions 55
22.5 Mooring assessment 55
22.6 Ship bunkering source communications 56
22.7 Electrical bonding 56
22.8 Conditions for transfer 56
22.9 Personal protective equipment (PPE) 56
22.10 Simultaneous Operations (SIMOPS) 57
22.11 Enclosed space entry 57
22.12 Inerting and purging of fuel systems 57
22.13 Hot work on or near fuel systems 57
22.14 Emergency response 57
22.15 LNG confined pool firefighting 58
22.16 Jet fire fighting 58
22.17 LNG tank vacuum lost 58
22.18 Emergency response plans 59