GB 50028-2006 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 50028-2006 | English | 185 |
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GB 50028-2006: Code for design of city gas engineering---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/GB50028-2006
NA TIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
Code for Design of City Gas Engineering
ls.sued on. July 12. 2006 Implemented on . November 1 , 2006
Jointly Issued by Ministry of Construction of the People's Republic of China
Geheral Administration of Quality Supervision, Inspection and
Quarantine of the Poople's Republic of China
Table of Contents
1 General Provisions
2 Terms
3 Gas Consumption and Quality
3. 1 Gas Consurnption
3. 2 Gas Quality
4 Gas Manufacture
4. 1 General Requir ement
4. 2 Gas Manufacture by Coal Carbonization
4. 3 Gas Manufacture by Coal Gasification
4. 4 Gas Manufacture by Low Pressure Intermittent Cycle Catalytic
Cracking of Heavy Oil
4. 5 Gas Manufacture by Low Pressure Intermittent Cycle Catalytic
Cracking of Light Oil
4. 6 Gas Manufacture by Low Pressure Intermittent Cycle Catalytic Cracking of
Liquefied Petroleum Gas
4.7 Gas Manufacture by Low Pressure Intermittent Cycle Catalytic by
Reforming of Natura l Gas
4.8 Peak Shaving
5 Purification
5.1 General R eq uirement
5.2 Gas Condensa tion and Cooling
5.3 Gas Discharging and Transmitting
5.4 Removal of Tar Fog
5.5 Ammonia Removal by Sulfuric Acid Absorption Method
5.6 Ammonia Removal by Water Washing
5.7 F inal Cooling of Gas
5.8 Absorption of Crude Benzene
5.9 F inal Removal of Naphthalene
5.10 Wet Desulfu rizat ion
5.11 Desulfurization by Ferr ic Oxide Method at Atmospheric Pressure
5.12 Conversion of Carbon Monoxide
5.13 Gas Dehydration
5.1.1 Relief Gas and Liquid Seal
6 Gas Transmission and Distribution System
6.1 General Requirement
6.2 Design of Gas Flow and Hydraulic Calculation of Gas Pipelines
6.3 T he outdoor Gas Pipelines with Pressure not Higher than 1. 6MPa
6.4 T he outdoor Gas Pipelines with Pressure Higher than 1. 6MPa
6.5 City Gate and Storage &- Distribution Station
6.6 Regulator Station and Regulators
6.7 Corrosion Control for Steel Gas Pipelines and Storage Tanks
6.8 Supervisory Control and Data Acquisition CSCAOA)
7 Supply of Compressed Natural Gas ( CNG)
7.1 General Requirement
7.2 CNG Fuelling Sta t ion
7.3 CNG Stored and Distributed Sta t ion
7.4 Station for CNG Multiple Cylinder Installations
7.5 Pipes and Accessories
7.6 Buildings and Auxiliary Facilities for Production
8 Supply of Liquefied Petroleum Gas ( LPG)
8.1 General Requirernent
8.2 LPG Transportation
8.3 LPG Supply Base
8.4 Vaporizing Station and Mixing Station
8.5 Vaporizing Station of Multiple Cylinder Installations
8.6 Bottled LPG Delivered Station
8.7 Users
8.8 Pipes, accessories, Storage Tanks, Vessels and Instruments
8.9 Fire Prevention, Explosion Protection and Earthquake
Resistance of Buildings or Structures
8.10 Fire water supply , Drainage and Fire-fighting Equipments
8.11 Electricity
8.12 Communication and Afforesting
9 Supply of Liquefied Natural Gas (LNG)
9.1 General Requirement
9.2 LNG Vapor izing Station
9.3 Vaporizing Station of LNG Multiple Cylinder Installations
9.4 Pipelines & Accessories, Storage Tanks, Vessels, Vaporizers,
gas Heaters and Checking Instruments
9.5 F ire Water Supply, Drainage and Extinguishing Apparatuses
9.6 Civil Engineering and Auxiliary Production Facilities
10 Application of Gas
10.1 General Requirement
10.2 Indoor gas P ipelines
10.3 Meter ing of gas
10.4 Gas for Domest ic Use
10.5 Gas for Commercial Use
10.6 Gas Use for Industrial Enterprises Production
10.7
10.8
Exhaustion of Flue gas From Burning
Moni toring Facilities of Fuel gas and Lightning and Static
Electricity Protection ...
Appendix A Classification of Explosion and Fire Hazard Areas for
Main Workplaces in Gas Manufacture Workshops
Appendix B Classification of Explosion and Fire Hazard Areas for
Main Workplaces in Gas Purification Workshops
Appendix C Friction Resistance Calculation of Gas Pipelines
Appendix D Classification of Explosion Hazard Areas for Electric
Installation Workplaces in Gas Tr ansmission and Distribution
System
Appendix E Classification for Explosion Hazard Areas for Electric
Installation Workplaces in LPG Station
Appendix F Residential Gas Appliance Conincidence Factor
Explanation of Wording in This Code
1 General Provisions
1.0.1 This standard is formula ted wi th a view to conform to the city gas engineering
design requirements for safe production, rel iable supply , reasonable economical efficien-
cy and enviro nmental protection.
1.0.2 T his standard is applicable to the design of new, expanded and renovated city
gas engineering to s upply fuel gas for domestic and commercial use , production of indus-
t rial enterprise , heating, ventilation and air conditioning in cit ies , towns and residence
communi ties , etc ..
Note. 1 This standard is not applicable to the long-distance gas tnmsmission pipeline engineering in front of ci t y
gate.
2 This standard is not applicable ~o the design of gas engineering by industrial enterprises themselves for tech-
nological design and the gas quality does not conform to the quality requirements of this standard. But the
gas engineering by industrial enterprises themselves for technological process and the gas quality conforms to
this standard can be designed according to this standard. 1£ the gas for ~eH u~e in industrial enterprises is
.rnpplied to residents, the gas quality and engineering design shall comply with this standard.
3 This standard is not applicable to the design of gas appliances used in ships. river steamers, railway vehi-
cles, i1utomobiles, etc ...
1. 0. 3 D uring the design of the city gas engineering , the effecLive new process, tech-
nology, mate.rials and equipment should be posit ively used based on successful experi-
ences in production, cons truct ion and sc ientific experiments in order to ensure the tech-
nique is the latest and most economical and reasonable.
1. 0. 4 The city gas engineering planning and design shall comply with Chinese energy
policy. The city gas engineering should be designed in accordance wi th city master plan
as well as energy planning , environmental protection planning and fire-fighting plan-
ning, etc ..
1. 0. 5 The design of city gas engineer ing shall comply not only with the requirement
stipulated in this code, but also those in current velevant ones of the nation.
• 1 •
2 Terms
2. 0. 1 Cily gas
A kind of combus tible gas conforming to this standard, which is supplied for do-
mestic and commercial use, industrial production, heating , ventilation and air condi-
tioning , etc, , by the transmission and distribution system from the regional gas sources
in cities , towns and villages or residential communit ies. The city gas generally includes
natural gas, liquefied petroleum gas and manufactured gas.
2. 0. 2 Manufactured gas
A kind of combustible gas which conforms to" Manufactured Gas"GB 13612, and is
made from solid, liquid or gas (includ ing coal, heavy oil, light oil, liquefied petrolatum
gas, natural gas , etc. ) conversion. It is also called coal gas for short in China.
2. 0. 3 Gas for domestic use
The gas for domestic cooking and water heating, etc.
2. 0. 4 Gas for commercial use
The gas used by commercial users (including the users in public buildings) for pro-
duction and living.
2. 0. 5 Reference gas
The standard gas of a fuel gas.
2. 0. 6 Odorant
A kind of organic compound or mixture with strong odor. The gas with low odor-
ant content gives a special and unpleasing caution odor so that the leaking gas can be
found when the gas exposure concentration reaches 20 % of the lower explosion limit or
causes harm to human body.
2. 0. 7 Vertical retort
The abbreviated of Didier-Werke continuous vertical carbonization retort.
2. O. 8 Crucible swelling number
The index of coal caking properry.
2. 0. 9 Gray-King index
The index of coal coking power.
2.0. 10 Roga index
The index of coal caking.
2. 0. 11 Chemical reactivi ty of coal
The index of reactive capability of reducing carbon dioxide to carbon monoxide by
• 2 •
3 Gas Consumption and Quality
3. 1 Gas Consumption
3. 1. 1 The design of gas consumption shall be determined according to local gas·sur >ply
principle and conditions. It includes the following gas consumption.
1 Consumption of gas for domest ic use ;
2 Consumption o f gas for commercial use;
3 Consumption of gas for industrial production ;
4 Consumption of gas for heating, ventilat ion and air conditioning ;
5 Consumption of gas for gas-powered automobiles ;
6 Consumption of gas for other uses.
Note .If the city gas is w;ed for electric power generation or heating in a power station , the design gas consumption
should include the gas consumption in it.
3. 1. 2 The design of gas consumption for various use purposes shall be deter...
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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