Note: GB 50028-1993 Urban Gas Design Code GB50028-1993 Standard download decompression password: www.bzxz.net

Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
GB50028—93
Code for Design of City Gas Engineering
1993—03—15
1993—11—01
State Bureau of Technical Supervision
Ministry of Construction of the People's Republic of China
Engineering Construction Standard Full-text Information System
Jointly Issued
Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
Code for Design of City Gas
GB50028—93
Editor Department: Ministry of Construction of the People's Republic of China Approval Department: People's Republic of China Ministry of Construction of the People's Republic of China Implementation date: November 1, 1993
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Notice on the release of the national standard "Urban Gas Design Code"
Jianbiao [1993] No. 211
According to the requirements of the State Planning Commission's Document No. Jizong [1986] 250, the China Municipal Engineering North China Design Institute and relevant units have revised the "Urban Gas Design Code" TJ28-78 and renamed it "Urban Gas Design Code", which has been reviewed by relevant departments. The "Urban Gas Design Code" GB50028-93 is now approved as a mandatory national standard and will be implemented from November 1, 1993. The original "Urban Gas Design Code" TJ28-78 will be abolished at the same time. This specification is managed by the Urban Construction Department of the Ministry of Construction, and its specific interpretation and other work is the responsibility of the China Municipal Engineering North China Design Institute, and its publication and distribution is organized by the Standard and Quota Research Institute of the Ministry of Construction.
Ministry of Construction of the People's Republic of China
March 15, 1993
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Announcement on Partial Revision of Engineering Construction Standards
No. 13
National Standard "Urban Gas Design Code" GB50028-93 has been partially revised by China Municipal Engineering North China Design Institute in conjunction with relevant units. It has been reviewed by relevant departments and the partially revised provisions are now approved for implementation from October 1, 1998. The provisions of the corresponding provisions in this specification are abolished at the same time. This is hereby announced. Ministry of Construction of the People's Republic of China
March 8, 1999
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Revision Notes
This specification is edited by our department in accordance with the notice of the State Planning Commission's No. 19861250 document, and is specifically revised by the China Municipal Engineering North China Design Institute and relevant units from the "Urban Gas Design Specification J28-78". During the revision process, the revision group conducted extensive investigations and studies in accordance with the party's principles and policies and combined with the actual situation of urban gas in my country, carefully summarized the experience of many years of specification implementation, carried out a number of special research, absorbed some scientific research results, referred to the standards of advanced countries in the world, and widely solicited opinions from relevant units across the country. Finally, our department and relevant departments reviewed and finalized it. This specification is divided into 7 chapters and 8 appendices. Its main contents are: general principles, gas consumption and gas quality, gas preparation, purification, gas transmission and distribution system, liquefied petroleum gas supply, gas application, etc. The main contents of this revision are:
1. Chapter 2 Gas Consumption and Gas Quality cites the quality standards of natural gas and liquefied petroleum gas;
2. Chapter 3 Gas Production adds coal gasification and cancels the vertical box furnace gas production in the original specification;
3. Chapter 4 Purification adds emission and liquid sealing; 4. Chapter 5 Gas Transmission and Distribution System adds gas pipeline calculation, gate station, gas steel pipeline and storage tank anti-corrosion, monitoring and data acquisition; 5. Chapter 6 Liquefied Petroleum Gas Supply adds liquid liquefied petroleum gas transportation, fire protection distance of buildings and structures, fire protection, water supply and drainage, electrical explosion-proof, lightning protection and anti-static, etc.; 6. Chapter 7 Gas Application adds the removal of combustion smoke; 7. Chapters 3, 4 and 6 respectively add fire and explosion hazard classification levels. If this specification is found to need modification and supplementation during its implementation, please send your opinions and relevant materials to: National Standard Management Group of Urban Gas Design Specification, North China Design Institute of Municipal Engineering, Tianjin Meteorological Station Road, Tianjin, China, Postal Code: 300074 for reference in future revisions. Ministry of Construction of the People's Republic of China February 1993 Main Symbols Gas Consumption and Gas Quality 2.1 Gas Consumption*. 2.2 Gas Quality. 00000000000000 General Provisions Gasification by Dry Distillation of Coal Gasification by Gasification of Coal |tt||Heavy oil thermal cracking gas production
General provisions
Condensation and cooling of coal gas
Coal gas discharge
Removal of tar mist
Removal of ammonia by sulfuric acid absorption
Removal of ammonia by water washing
Final cooling of coal gas
Absorption of crude benzene
Electric power
Final removal of naphthalene|| tt||Wet desulfurization
Atmospheric pressure iron oxide desulfurization
Dispersion and liquid seal
5 Gas transmission and distribution system
Engineering construction standard full text information system
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General Provisions
Pipeline Calculation
Outdoor Gas Pipeline
Storage and Distribution Station
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Pressure Regulating Station and Pressure Regulating Device
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Corrosion Protection of Steel Gas Pipeline and Storage Tank
Monitoring and Data Collection
Liquid Petroleum Gas Supply
General Provisions
Transportation of Liquid Liquefied Petroleum Gas
Liquefied Petroleum Gas Supply Base
Gasification Station and Mixing Station
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Bottled Supply Station
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Industry Industry ... t||Fire and explosion prevention of pipelines and accessories, storage tanks, containers and testing instruments and structures
Fire-fighting water supply, drainage and fire-fighting equipment
Electrical explosion protection, lightning protection and anti-static
Communication and greening
Application of gas
Appendix A
Appendix B
-General provisions
Indoor gas pipelines
Gas metering
Residential gas
Gas for public buildings
Industrial gas for production
Removal of combustion smoke
Gas consumption indicators for urban residents
Gas consumption indicators for several public buildings
Engineering 2 Construction Standard Full Text Information Systembzxz.net
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Appendix C Fire and Explosion Hazard Classification Levels of Main Production Sites in Gas Production Workshop
Appendix D
Fire and Explosion Hazard Classification Levels of Main Production Sites in Gas Purification Workshop
Appendix E| |tt||Appendix F
Appendix G
Appendix H
Division of explosion hazard areas and levels in electrical fields of liquefied petroleum gas stations
Glossary of simultaneous working coefficient K of gas appliances for residents
Explanation of terms used in this specification
Additional explanation
Engineering construction standard full text information system
Engineering construction standard full text information system
Main symbols
CP——combustion potential;
C. —Volume percentage of hydrogen sulfide in coal gas; f
—Active iron oxide content in new desulfurizer: △H——Additional gas pressure caused by the difference in elevation between the end and the starting point of the gas pipeline; K——Equivalent absolute roughness of the inner surface of the gas pipeline wall; K. ——Daily peak coefficient;
Kr——Hourly peak coefficient;
Km——Monthly peak coefficient;
L, 1-
Simultaneous working coefficient of burning appliances;
Simultaneous working coefficient of different types of users;-Calculated length of gas pipeline;
Liquid petroleum gas compressor piston displacement;N
Number of burning appliances of the same type;
-Maximum load utilization hours of gas;
-Transmission gas pressure;
-Saturated vapor pressure of liquefied petroleum gas at the highest working temperature of the liquefied petroleum gas storage tank at the beginning;
Rated pressure of low-pressure burning appliances;
-Friction resistance loss of gas pipeline;
△pa——Allowable resistance loss of pipeline from pressure regulating station to the farthest burning appliance;Q-Calculated flow of gas pipeline Quantity,
Qa——annual gas consumption,
Qn——calculated hourly gas flow rate;
Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
QL——liquid liquefied petroleum gas unloading strength; Q.——rated flow rate of the burner,
ST—ash fusibility softening temperature,
TS——thermal stability of coal;
V——volume of desulfurizer required for 1000m gas per hour; Vn—geometric volume of liquefied petroleum gas storage tank; w——Wobac number;
X——ultimate shrinkage of coke block,
Y——maximum thickness of gelatinous layer;
y——volume percentage composition of C2 and Cs in the liquefied petroleum gas phase at the calculation temperature,
V——friction resistance coefficient of the gas pipeline. Engineering 2 Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
1 General Principles
1 This specification is formulated to ensure that the design of urban gas projects meets the requirements of safe production, supply guarantee, rational gas use1.0.1
and environmental protection. 2 This specification is applicable to the design of new, expanded or renovated urban gas projects. 1.0.2
3 The design of urban gas projects should actively adopt effective new processes, technologies, new materials and new equipment on the basis of continuous summary of production, construction and scientific experiments, so as to achieve advanced technology and economic rationality.
1.0.4 The design of urban gas projects should follow my country's energy policy, be comprehensively planned, and be carried out on the basis of feasibility studies, combining long-term and short-term, focusing on the short-term, and determining a reasonable plan after comprehensive technical and economic comparison.
1.0.5 In addition to complying with this specification, the design of urban gas projects should also comply with the provisions of the relevant standards and specifications currently in force in the country.
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