Important Information and Knowledge About Fuel Dispensing System In Detail

Fuel Dispensing | Image Resource: entrepreneursbreak.com

Fuel dispensing equipment is used to monitor gaseous or liquid flow. Liquid fuel dispensing equipment is distributed all over the world in form of automotive gas pumps. The design of the fuel dispenser depends upon the type of intended fuel. The volatility of fuel types, boiling point, flammability, and other feature factor into the construction and design of dispensers.

Common liquid fuel groups are: -

  • Petroleum fuels include diesel, petrol and kerosene. They do not directly ignite. Gasoline and diesel are common types of automotive fuels while kerosene is used for heaters.
  • CNG and LPG are compressible fuels. CNG consists mainly methane while LPG is mixture of butane and propane. They are clean fuels and stored under high pressure due to low boiling points. These fuels are used for cooking, heating and as vehicle fuel.

  • Alcohols such as butanol, ethanol, and methanol are used as vehicle fuels or used in combination with petrol.
  • Specialized liquid fuels such as ammonia, hydrogen, biodiesel and synthetic fuels.

Some fuels such as fuel gases are ordinary gases. Fuel dispensing can takes place through different equipment. Fuel gases are used in heaters, gas burners, stoves and in power vehicles. Fuel gas are used before the widespread use of electric street lighting. 

Fuel Gases Can Be Divided Into Two Groups: -

  • Natural fuel gas is produced when we refine petroleum and includes butane, propane and degasified LPG. Natural gas is the uncompressed CNG occur in gas field deposits.
  • Manufactured fuel gas is produced by the artificial processes by gasification. Manufactured gases include coal gas, syngas, water gas, wood gas and biogas. It is used for cooking and lighting in past and is now known as combustion engine fuels.

Design and operation

There are many types of fuel dispensing system. Fuel dispensers have many sections such as metering, hydraulic and nozzle portions. For drawing fuel from storage tank hydraulic section is used which contains a rotatory pump. 

The pilot valve of fuel dispenser is used to flow fuel towards the dispenser and not back into the pump. Commercial dispensers which are found at petrol stations may have multiple units which are connected to different storage tanks to supply multiple fuels with different compositions.

An operational fuel dispenser has a continuous running electric motor between hydraulic and storage tank portion for the use of maintaining half vacuum at rotatory pump inlet. When we open the nozzle the storage tank draws suction pressure from inlet due to which fuel flows toward pumping unit.


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