SOCIALIST REPUBLIC OF VIETNAM
Ministry of Industry and Trade (MOIT)
Guideline for
Technical Regulation
Volume 2
Design of Thermal Power Facilities
Book 6/12
« Gas Fuel Handling Facility »
Final Draft
June 2013
Japan International Cooperation Agency
Electric Power Development Co., Ltd.
Shikoku Electric Power Co., Inc.
West Japan Engineering Consultants, Inc.
IL
CR(2)
13-092
Table of Contents
Chapter-1. Comparison between Technical Regulation andTechnical Guideline of gas fuel handling
|
facility....................................................................................................................... |
1 |
Chapter-2. Each Items of Guideline................................................................................................... |
5 |
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Chapter-3. Technical Standards for pipeline .................................................................................... |
88 |
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Chapter-4. Reference International Technical Standards.................................................................. |
95 |
|
Chapter-5. |
Reference Japanese Technical Standards...................................................................... |
110 |
Chapter-6. |
Reference TCVN ......................................................................................................... |
112 |
Chapter-7. |
Comparison table of regislation related to pipeline. ..................................................... |
114 |
Chapter-8. |
Referenced Literature and Materials ............................................................................ |
121 |
List of Tables
Table- 1: Comparison between Technical Regulation and Technical Guideline |
of gas fuel |
handling facility.................................................................................................................. |
1 |
Table- 2: Composition, heating value, etc. of gas fuel................................................................ |
5 |
Table- 3: Categorization of Fluids............................................................................................ |
14 |
Table- 4: Classification of Gas Pressure for Gas Facilities ....................................................... |
14 |
Table- 5: Spanning of valve station (shutoff device) ................................................................ |
19 |
Table- 6: Design temperature and coating for gas pipeline ....................................................... |
22 |
Table- 7: Suggested pipe support spacing (ASME B31.1-2004) ............................................... |
23 |
Table- 8: Pipeline material stipulated in API 5L/ISO 3183....................................................... |
33 |
Table- 9: Hoop stress design factors Fh for pipelines on land ................................................... |
43 |
Table10: Hoop stress design factors Fh for offshore pipelines................................................ |
44 |
Table11: Equivalent stress design factors Feq ......................................................................... |
45 |
Table12: Joint method of pipeline.......................................................................................... |
47 |
Table13: Effective areas acc. to API 526 ............................................................................... |
56 |
Table14: Values of coefficient C............................................................................................ |
56 |
Table15: Calculation of rate equation .................................................................................... |
62 |
Table16: Classification of city gas......................................................................................... |
63 |
Table17: Required numbers of fire extinguisher depending on storage capacity..................... |
70 |
Table18: Calculation of gas storage capacity ......................................................................... |
83 |
Table19: Pipeline industry standards incorporated by reference in 49 CFR part 192, 193 and
195 .................................................................................................................................. |
88 |
Table20: Reference International Technical Standards ........................................................... |
95 |
Table21: Reference Japanese Technical Standards ............................................................... |
110 |
Table22: Reference TCVN .................................................................................................. |
112 |
Table23: Comparison table of legislations related to pipeline .............................................. |
114 |
i
List of Figures |
|
Fig- 1: Temperature dependence of flammability limit of methane-air mixture |
.......................... 7 |
Fig- 2: Pressure dependence of flammability limit of methane-air mixture ................................ |
7 |
Fig- 3: Relationship between lower explosive limit and combustion heat................................... |
7 |
Fig- 4: Flammability limit of an gas mixture methane with air and inert gas.............................. |
8 |
Fig- 5: High calorie gas fuel system (NFPA-8502-1999)............................................................ |
9 |
Fig- 6: Low calorie gas fuel system ........................................................................................... |
9 |
Fig- 7: Construction concept of fuel handling for gas thermal power plant (1)......................... |
11 |
Fig- 8: Constitution concept of fuel handling for gas thermal power plant (2).......................... |
12 |
Fig- 9: Constitution concept of fuel handling for gas thermal power plant (3).......................... |
13 |
Fig10: Natural gas compression station ................................................................................. |
16 |
Fig11: Water seal valve for BFG gas ..................................................................................... |
20 |
Fig12: U-shape water sela valve ............................................................................................ |
21 |
Fig13: Steel joint flanges....................................................................................................... |
26 |
List of Photos |
|
Photo- 1: Gas rig in Nam Con Son........................................................................................... |
15 |
Photo- 2: Gas compression module.......................................................................................... |
15 |
Photo- 3: Natural gas pipeline in Nam Con Son....................................................................... |
16 |
Photo- 4: Gas piprline from Nam Con son field ....................................................................... |
16 |
Photo- 5: Natural gas pipeline in Nam Con Son....................................................................... |
16 |
Photo- 6: Natural gas pipeline in Nam Con Son....................................................................... |
16 |
Photo- 7: Fuel gas for Phu My 3 power plant........................................................................... |
16 |
Photo- 8: Warning sign for buried pipeline .............................................................................. |
19 |
Photo- 9: Buried gas pipeline................................................................................................... |
19 |
Photo10: Buried gas pipeline................................................................................................. |
20 |
Photo11: Buried gas pipeline................................................................................................. |
20 |
Photo12: U-shape water sela valve ........................................................................................ |
21 |
Photo13: Flange joint ............................................................................................................ |
27 |
Photo14: Flange joint ............................................................................................................ |
27 |
Photo15: Purging of gas pipeline........................................................................................... |
30 |
Photo16: Purging of gas pipeline........................................................................................... |
30 |
Photo17: Purging of gas pipeline........................................................................................... |
30 |
Photo18: Venting station on natural gas pipeline ................................................................... |
30 |
Photo19: Natural gas pipeline on land ................................................................................... |
49 |
Photo20: Natural gas pipeline on land ................................................................................... |
49 |
Photo21: Natural gas wellhead .............................................................................................. |
49 |
ii
Photo22: Shutoff valve for Natural gas pipeline .................................................................... |
49 |
Photo23: Laying off-sore pipeline ......................................................................................... |
50 |
Photo24: Welding of off-shoe pipeline................................................................................... |
50 |
Photo25: Laying off-sore pipeline ......................................................................................... |
51 |
Photo26: Welding of subsea pipeline ..................................................................................... |
51 |
Photo27: Compressor for pressure test .................................................................................. |
51 |
Photo28: Compressor for pressure test .................................................................................. |
51 |
Photo29: Arc welding of buried pipeline ............................................................................... |
53 |
Photo30: Arc welding of pipeline on the land ........................................................................ |
53 |
Photo31: Mig welding ........................................................................................................... |
53 |
Photo32: Arc welding ............................................................................................................ |
53 |
Photo33: Flash butt welding .................................................................................................. |
54 |
Photo34: Tig welding ............................................................................................................ |
54 |
Photo35: Welding house ........................................................................................................ |
54 |
Photo36: Welding tent ........................................................................................................... |
54 |
Photo37: Reactor (Link energy)............................................................................................. |
64 |
Photo38: GTLplant (Link energy) ......................................................................................... |
64 |
Photo39: Production well (Carbon energy) ............................................................................ |
64 |
Photo40: Gas generation plant............................................................................................... |
65 |
Photo41: Coal gasification plant............................................................................................ |
65 |
Photo42: Flaire stack............................................................................................................. |
74 |
Photo43: Landfill gas flaire stack .......................................................................................... |
74 |
Photo44: Flaire stack............................................................................................................. |
74 |
Photo45: Flaire stackignition nozzle...................................................................................... |
74 |
Photo46: Gas holder for BFG ................................................................................................ |
81 |
Photo47: Spherical gas holder ............................................................................................... |
81 |
Photo48: Bio gas hoilder ....................................................................................................... |
81 |
Photo49: Membrane gas holder ............................................................................................. |
81 |
Photo50: Warning board for gas tank..................................................................................... |
85 |
Photo51: Warning board for gas tank..................................................................................... |
85 |
iii
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List of Acronyms/Abbreviations |
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API |
American Petroleum Institute |
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AS |
Australia Standard |
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ASME |
American Society of Mechanical Engineers |
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ASTM |
American Society for Testing |
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BFG |
Blast Furnace Gas |
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BS |
British Standard |
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CFR |
Code of Federal Regulations |
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CG |
Converter Gas |
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COG |
Coke Oven Gas |
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CSA |
Canadian Standards Association |
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EN |
European Norm |
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FBE |
Fusion Bonded Epoxy |
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HPCC |
High Performance Composite Coating |
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IEC |
International Electrotechnical Commission |
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IGCC |
Integrated Gasification Combined Cycle |
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ISO |
International Organization for Standardization |
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JIS |
Japanese Industrial Standard |
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JGA |
Japan Gas Association |
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LDG |
Linz-Donawitz Converter Gas |
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LNG |
Liquefied Natural Gas |
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3LPE |
3-Layer Poly Ethylene |
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LPG |
Liquefied Petroleum Gas |
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3LPP |
3-Layer Poly Propylene |
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MAOP |
Maximum Allowable Operating Pressure |
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MSS |
Manufacturers Standardization Society |
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NFPA |
National Fire Protection Association |
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SYMS |
Specific Minimum Yield Strength |
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WES |
Welding Engineering Society |
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WPS |
Welding Procedure Specification |
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iv