What are the differences and roles of the fueling column and the fueling machine in a natural gas refueling station?
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What are the differences and roles of the fueling column and the fueling machine in a natural gas refueling station? I mainly can’t figure out what the difference between these two is – doesn’t a CNG filling station have CNG filling columns? The difference between main CNG stations and branch CNG stations
CNG filling stations are mainly used for filling taxis and buses, while CNG filling columns are primarily used for filling trailers. Typical natural gas distribution stations are equipped with CNG filling columns
This post was last edited by ziyehang*ng on 2010-2-26 08:39. A CNG filling station that fills vehicle gas cylinders with compressed natural gas is called a primary CNG filling station; whereas a CNG filling station that uses vehicle gas cylinders to supply compressed natural gas for vehicles is called a secondary CNG filling station
1# rongyang504: The meter on the gas filling column at the gas filling station is large, resulting in a high flow rate; whereas the gas dispenser has a smaller flow rate, and its meter is also smaller
The function is the same; it has been mentioned that the capabilities differ and so do the uses
The flow rate of the gas filling column is 5000 Nm3/d, and it is used to fill gas into trailers (i.e., sub-station tankers)； The flow rate of the gas filling station is 2–40 Nm3/d, and it is used to fill buses, taxis, etc. with gas.
1 A CNG refueling station is an intelligent gas-selling device designed to quickly refill fuel for CNG vehicles and to measure it accurately. The gas filling column is used to fill trailers with natural gas at the main station and to display the measurement. The basic mechanism of the air-inflating column is similar to that of a single-line single-gun air inflator. 2 The CNG mother station has CNG filling columns. 3 Differences between main stations and sub-stations: A natural gas refueling main station is a refueling station that is capable of filling natural gas vehicles, and it can also supply compressed natural gas to sub-stations. The equipment includes compressors, ground-level gas storage tanks, gas dispensers, dehydration and drying systems, etc. The construction of the main station should be located near high- and medium-pressure natural gas pipelines or storage and distribution stations, which limits the available locations. A gas station that relies on on-board gas cylinders to deliver natural gas for refueling is called a sub-station. The construction of sub-stations is flexible and convenient; a distance of 30-70 km from the main station is appropriate. The equipment within the substation includes the substation trailer, ground compressor skid, on-site gas storage cylinders, gas vending machines, etc.
CNG refueling station: A facility that draws gas from external natural gas pipelines, processes and pressurizes it, and then uses filling columns to fill CNG vehicle storage cylinders with CNG. CNG refueling station: A location where CNG is used, with CNG transported via trailer-mounted gas storage tanks, and the CNG storage tanks in vehicles are filled with CNG using refueling units.