This standard is the first industry standard to be formulated. Every year, the town gas industry publishes a large number of books, documents, teaching materials, standard documents and manuals, which involve many basic town gas professional technical terms. In order to better promote the development of domestic town gas professional technology and domestic and international exchanges, this standard defines the basic terms and definitions related to town gas professional technology, thereby providing a national unified town gas professional technical terminology for the writing of relevant documents. This standard defines the terms related to town gas professional technology. This standard applies to relevant documents, teaching materials, documents, books and manuals. CJ/T 3085-1999 Town Gas Terminology CJ/T3085-1999 Standard download decompression password: www.bzxz.net

Engineering Construction Standard Full-text Information System
City Construction Industry Standard of the People's Republic of China CJ/T30851999
Terms of City Gas
Published on August 6, 1999
Implemented on March 1, 2000
Ministry of Construction of the People's Republic of China
Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
CJ/T3085—1999
...........
Cited Standards
General Terms
Required Amount of City Gas and Gas Usage Conditions
Gas Source||tt| |Town Gas Transmission and Distribution
Gas Combustion and Application
Appendix A (Suggested Appendix)
Appendix B (Suggested Appendix)
Engineering Construction Standard Full-text Information System
Chinese Index
English Index
0000000000000000000000006
C...ece..o..o..c..c..*.....c....o..e.5
86660666 15
c0060.0000
10000000000000000
100000
TTKAONT KAca-
Engineering Construction Standard Full Text Information System
CJ/T3085—1999
This standard is the first industry standard formulated. Every year, a large number of books, documents, teaching materials, standard documents and manuals are published in the urban gas profession, which involve many basic technical terms of urban gas. In order to better promote the development of domestic urban gas professional technology and domestic and international exchanges, this standard determines the basic terms and definitions related to urban gas professional technology, thereby providing a unified national urban gas professional technical terminology for the writing of relevant documents. Appendix A and Appendix B of this standard are suggested appendices. This standard is proposed by the Standard and Quota Research Institute of the Ministry of Construction. This standard is under the jurisdiction of the China Municipal Engineering North China Design Institute, the competent unit of urban gas standard technology of the Ministry of Construction.
This standard was drafted by Harbin University of Architecture. The main drafters of this standard are Duan Changgui, Li Zhenming, Zhang Xingmei, Wu Jiansong, and Hou Genfu. This standard is entrusted to Harbin University of Architecture for interpretation. I
Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Urban Construction Industry Standard of the People's Republic of China Urban Gas Technology
Terms of city gas
1 Scope
CJ/T3085—1999
This standard defines the terms related to urban gas professional technology. This standard applies to relevant documents, teaching materials, literature, books and manuals. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB50028—1993 Urban Gas Design Code 3 General Terms
3.1 Classification of Urban Gas
3.1.1 Urban Gas citygas; Towngas refers to the public gas that meets the gas quality requirements of the code and is supplied to residents, businesses (public buildings) and industrial enterprises for production as fuel. Urban gas generally includes natural gas, liquefied petroleum gas and manufactured coal gas. 3.1.2
Urban Gas Engineering citygasengineering The engineering of production, transmission and distribution of urban gas and related applications. Natural Gas naturalgas
Combustible gas stored in the stratum. It is mainly a mixture of low molecular weight alkanes, some of which contain N2, C02, HS, H and a small amount of inert gases such as He. Natural gas can be divided into four types: pure gas field natural gas, petroleum associated gas, condensate gas field gas and mine gas.
1999-08-06 Approved by the Ministry of Construction of the People's Republic of China Engineering Construction Standard Full Text Information System
2000-03-01 Implementation
TKAONT KAca-
Engineering Construction Standard Full Text Information System
3.1.4 Pure gas field natural gas
field natural gas
Combustible gas extracted from pure gas field wells, mainly composed of methane, and a small amount of N, CO2, HS, H or He gas components. Generally does not contain or contains little liquid phase (usually oil, water) products. Petroleum associated gas
Combustible gas released from the liquid phase as the pressure decreases during the oil production process. Its components are mainly methane, and there are also alkane components such as C, C, C, and C.
Alistillate gas
Combustible gas mainly composed of methane and ethylene after condensation from gas wells. 3.1.7
Mine gas
Combustible gas mainly composed of methane extracted from coal seams underground. The methane content varies with the gas extraction method.
Manufactured gas
Combustible gas obtained by conversion of solid, liquid or gaseous fuels as raw materials. Coal gas; coal gas coal gas
Combustible gas obtained by coal as raw material.
Oil gas
Combustible gas obtained by heavy oil, diesel or naphtha as raw materials. Liquefied petroleum gas; LPG Hydrocarbons with Cs and C4 as main components obtained as a by-product in the process of exploiting and refining crude oil.
Biogas fermentation gas
Combustible gas with methane as the main flammable component produced by the action of microorganisms on organic matter under certain temperature, humidity, pH and air isolation conditions.
3.2 Properties of gas
3.2.1 Saturated vapor pressure
Esaturated vapor pressure
At a certain temperature, the liquid and its vapor in a closed container are in dynamic equilibrium 2
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
The absolute pressure of the vapor.
Boiling point
The temperature at which the saturated vapor pressure of a liquid is equal to the pressure on the liquid. Usually refers to the temperature at which the saturated vapor pressure of a liquid is 101.325 kPa. Dew point
The temperature at which saturated vapor is cooled or pressurized and liquefies into dew when it encounters a contact surface or condensation nucleus.
Explosivelimits
Explosivelimits
The range of concentrations of flammable gas that can cause explosions when a mixture of flammable gas and air encounters an open flame.
Upperexplosivelimit
The maximum concentration of flammable gas that can cause explosions when a mixture of flammable gas and air encounters an open flame.
Lowerexplosivelimit
Lowerexplosivelimit
The minimum concentration of flammable gas that can cause explosions when a mixture of flammable gas and air encounters an open flame.
Urban gas demand and gas usage conditions
4.1 Urban gas demand
4.1.1 Gasconsumer
The users of the urban gas supply system, including residential users, commercial users, industrial users and heating users.
4.1.2 Residential gas for domestic use Gas used for cooking and preparing hot water in households. Commercial gas; gas for commercial use; com-4.1.3
mercial utilization
Mainly used for cooking or hot water preparation in the catering industry, kindergartens, nurseries, hotels, barber shops, bathrooms, laundries, offices, schools and scientific research institutions, including experimental gas in schools and scientific research institutions. 3
Engineering Construction Standards Full Text Information System
TKAONT KAca-
Engineering Construction Standards Full Text Information System
4.1.4 Gas for industrial use Gas for industrial use; industrial utilization Gas used for industrial production.
Gas for space heating; space heating Gas used for heating in buildings.
Index of gas for domestic use; consumption for domestic use
Index of gas
Annual gas consumption per person for domestic use by residential users, measured in calories. 4.1.7
Index of gas consumption for commercial use: Index of gas consumption for public buildings
Gas consumption per unit of calculation by commercial users, measured in calories. 4.1.8 Index of gas consumption for industrial use
Gas consumption per unit of product produced by industrial users, measured in calories. Index of gas consumption for space heat - 4.1.9
The amount of gas consumed per unit time for heating a building per unit area or unit volume, measured in heat.
annual gas consumptionbzxZ.net
Annual gas consumption
The amount of gas consumed by users in one year.
Average hourly gas supply averagehourlygassupplyrateThe hourly average value of the amount of gas supplied by the gas supply system within a certain period of time. Average hourly gas consumption averagehourlygasconsumptionrate4.1.12
The hourly average value of the amount of gas consumed by users within a certain period of time. 4.1.13
Hourly design flow rateThe maximum hourly gas flow used for design calculations. Gasification percentage customer penetrationThe percentage of users using gas in the total number of households. Gas consumption conditions in towns
4.2.1 Uneven factor of monthly consumption4
Engineering construction standard full text information system
Engineering construction standard full text information system
Indicates the changes in gas consumption in each month of the year. The monthly uneven coefficient is the ratio of the average daily gas consumption of the month to the average daily gas consumption of the whole year. Calculation month designmonth
See Appendix G of GB50028.
4.2.3 Maximum uneven factor of monthly consumption
See Appendix G of GB50028.
Uneven factor of daily consumption4.2.4
Indicates the changes in daily gas consumption in a certain month (or week). The daily uneven coefficient is the ratio of the gas consumption of a certain day in the month to the average daily gas consumption of the month. 4.2.5
maximum uneven factor of daily consumptionSee Appendix G of GB50028.
uneven factor of hourly consumption4.2.6
Indicates the change of hourly gas consumption in a day. The uneven factor is the ratio of the gas consumption in a certain hour of the day to the average hourly gas consumption of the day. 4.2.7 Hourly peak factor
maximum uneven factor of hourly consumption
See Appendix G of GB50028.
coincidence factor
simultaneous working factor
The ratio of the actual maximum hourly flow rate to the total rated flow rate of all gas appliances.
5 Gas source
5.1 Production of carbonization gas
5.1.1 Carbonization gas Carbonization gas is the gas obtained by thermal processing of coal under air-tight conditions. 5.1.2 High temperature carbonization; coking high temperature carbonization The process of heating coal to above 1000℃ in air-tight condition to produce coal gas, coke and coal chemical products.
Engineering Construction Standard Full Text Information System
TKAONT KAca-
Engineering Construction Standard Full Text Information System
5.1.3 Medium temperature carbonization
Medium temperature carbonization The process of heating coal to about 850℃ in air-tight condition to produce coal gas, gas coke and coal chemical products.
Low temperature carbonization low temperature carbonization The process of heating coal to about 550℃ in air-tight condition to produce coal gas, semi-coke and coal chemical products.
Coke oven cokeoven
Refractory brickwork for high temperature carbonization operation. Coke oven gas cokeoven gas
Coal gas obtained by high temperature carbonization in coke oven. 5.1.7
mono-heating oven
mono-heating coke oven
coke oven that can only be heated by coke oven gas. combinationoven;compoundovenreheating coke oven
coke oven that can be heated by coke oven gas or other gas with lower calorific value. 5.1.9horizontal retort
small coal dry distillation gas making furnace with horizontal coal feeding and horizontal coke discharge. 5.1.10
vertical carbonization furnace: vertical retortmedium-temperature dry distillation gas making furnace with coal feeding on the top and coke discharge on the bottom. continuous vertical carbonization furnacecontinuousverticalretortvertical carbonization furnace with continuous coal feeding and coke discharge. intermittent vertical carbonization furnaceintermittentverticalretortvertical carbonization furnace with intermittent coal feeding and coke discharge. Carbonization furnace gas retortgas
Coal gas obtained by dry distillation of coal in a carbonization furnace at medium temperature. Coking time cokingtime
The time from flat coal to coke after the coal is loaded into the carbonization chamber. Coal blending
The process of mixing several coals of different properties in a certain proportion according to the needs of coking coal.
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
5.1.16 Coking chamber coking chamber
The furnace chamber in a coking oven or carbonization furnace where coal is dry-distilled. 5.1.17
Combustion chamber combustion chamber
(1) The furnace chamber in a coking oven or carbonization furnace where coal gas and air are mixed and burned to provide the heat required for coking.
(2) The furnace chamber for gas combustion.
Regenerator
The furnace chamber in which the heat of flue gas is stored in the coke oven to preheat the air or gas required for combustion.
Heating flue
The combustion chamber is divided into small spaces for combustion of gas-air mixture by transverse partitions.
Harry car
The machine that quantitatively loads the prepared coal in the coal tower into the carbonization chamber. 5.1.21
Pusher machine
The machine used to complete the operations of opening and closing the furnace door on the machine side, pushing coke, and leveling coal. Coke guide
The machine used to complete the operations of opening and closing the furnace door on the coke side and guiding coke. Quenching car
Quenching car
The machine that receives and transports red-hot coke and goes to the coke quenching device. Gas yield
The amount of gas obtained by gasification or carbonization of a unit mass of furnace charge. 5.1.25
Auxiliary hopper
A device located at the top of the vertical carbonization furnace, which loads coal from the coal bunker into the carbonization chamber at a fixed time.
Coke extractor
A device located at the bottom of the vertical carbonization furnace, which quenches the red-hot coke falling from the carbonization chamber and discharges the coke smoothly. 5.2
Production of gasification gas
Engineering construction standard full text information system
TKAONTKAca-
Engineering construction standard full text information system
5.2.1 Gasifying agent gasityingagent
The gaseous medium participating in the reaction in the thermal processing of solid raw materials (coal or coke), such as air (oxygen-enriched air), oxygen, water vapor and hydrogen. 5.2.2
Gasification gas gasificationgas
The combustible gas converted by chemical reaction between solid raw materials (coal or coke) and gasifying agent under high temperature conditions.
Producer gas producergas
Gas produced in the producer furnace using coal or coke as raw materials and a mixture of air and water vapor as gasifying agent.
Water gaswatergas
Gas made from anthracite or coke and water vapor as gasifying agent. Pressure gasificationpressuregasification5.2.5
The process of converting solid fuel into gaseous fuel under high pressure. Pressure gasifyinggaspressuregasifyinggas5.2.6
Gas made from raw coal by pressure gasification has a high calorific value and can be used independently as a source of town gas.
5.2.7Fixed bed gasificationfixedbedgasification；Moving bed gasificationmoving
bed gasification
A gasification process in which the speed of the downward movement of the charge forming the bed in the gasifier is very small compared to the speed of the upward movement of the gasifying agent. fluidized bed gasification
Fluidized bed gasification
A gasification process in which the charge in the gasifier is in a fluidized state. entrained bed gasification;entrained flow gas-5.2.9 Entrained bed gasification
ification
The process of gasification in which the charge in the gasifier is transported by air flow. Hydrogasification
Fluidized bed gasification in which methane is synthesized by self-produced hydrogen-rich coal gas in a high-pressure and low-temperature environment to produce coal gas with high calorific value.
Gasification intensitygasificationintensityEngineering construction standard full text information system
Engineering construction standard full text information system
The amount of raw materials gasified per unit cross section of the gasifier in unit time. 5.2.12
Gasification efficiencygasificationefficiencyThe percentage of effective heat transferred to the fuel gas during the gasification of the raw materials to the chemical heat of the gasified raw materials.
Gas generation station
producergasplant
A complex for producing coal gas consisting of a coal gas generator, coal gas purification equipment and structures.
Vertical shell cooler5.2.14
Gas cooling equipment for cooling gas and partially removing tar and dust in gas generating stations.
Isolating water seal
Equipment for cutting off the gas passage with water in gas generating stations. 5.2.16
Multi-stage scrubberGas cooling equipment in gas generating stations consisting of air saturation section, hot section and cold section.
5.3 Oil-based gas production
5.3.1 Thermal cracking
thermal crackingoil gas makingA method of producing gas by cracking crude oil in a heat storage reactor filled with refractory checkered bricks in the presence of water vapor at normal pressure and 800-900°C. Thermal cracked gasthermal cracked gas
Combustible gas produced by thermal cracking of crude oil. 5.3.3 Catalytic cracking method Catalysis cracking oil gas making A method of cracking crude oil to produce gas by filling a heat storage reactor with an appropriate catalyst (such as nickel catalyst, calcium oxide-magnesium oxide catalyst) at normal pressure and 750-900°C.
Catalytically cracked gas catalytically cracked gas 5.3.4
Combustible gas produced by catalytic cracking of crude oil. 5.3.5
Steam heat accumulator Steam heat accumulator absorbs and stores the sensible heat of flue gas to superheat process steam and bottom blowing steam 9
Engineering Construction Standard Full Text Information System
TKAONT KAca-3 Catalytic cracking method catalysis cracking oil gas making A method of cracking crude oil to produce gas by filling a heat storage reactor with an appropriate catalyst (such as nickel catalyst, calcium oxide-magnesium oxide catalyst) at normal pressure and 750-900°C.
Catalytically cracked gas catalytically cracked gas 5.3.4
Combustible gas produced by catalytic cracking of crude oil. 5.3.5
Steam heat accumulator steam heat accumulator absorbs and stores the sensible heat of flue gas to superheat process steam and bottom blowing steam 9
Engineering Construction Standard Full Text Information System
TKAONT KAca-3 Catalytic cracking method catalysis cracking oil gas making A method of cracking crude oil to produce gas by filling a heat storage reactor with an appropriate catalyst (such as nickel catalyst, calcium oxide-magnesium oxide catalyst) at normal pressure and 750-900°C.
Catalytically cracked gas catalytically cracked gas 5.3.4
Combustible gas produced by catalytic cracking of crude oil. 5.3.5
Steam heat accumulator steam heat accumulator absorbs and stores the sensible heat of flue gas to superheat process steam and bottom blowing steam 9
Engineering Construction Standard Full Text Information System
TKAONT KAca-
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.