Why do gas stations choose submersible pump fuel dispensers?

Why do gas stations choose submersible pumps instead of self-priming pumps?

Since the 1970s, major oil companies around the world have gradually abandoned self-priming pumps and chosen submersible pumps. Currently, there are nearly one million gas stations around the world, and more than half of them use positive-pressure oil transmission technology to deliver oil products.

Problems faced by self-priming pump oil delivery
  • Negative pressure oil transportation is limited by the suction range, and the distance between the oil storage area and the refueling area cannot be too far, which affects the flexibility of the layout of the oil station.
  • The depth and diameter of buried oil tanks are limited.
  • The pipeline layout is difficult.
  • The high-pitched noise of the oil dispenser becomes louder the farther the suction distance is.
  • Large-flow tankers and multi-gun tankers are widely used.
  • Cavitation phenomenon in high temperature and high altitude areas. The incidence of cavitation increases with the following factors.

 

Advantages of submersible pump oil delivery system
  • Taking full advantage of positive pressure oil transportation, the layout design of the oil station is flexible.
  • Meet the needs of large flow guns, multiple oil products, and multiple gun machines to transport oil products.
  • The same oil product shares the main oil pipeline, reducing construction difficulty and cost.
  • Applying the siphon principle, multiple oil tanks of the same oil product can be operated in parallel, which is equivalent to enlarging the oil storage tank.
  • The cavitation phenomenon is eliminated and the oil properties, temperature, and altitude are more tolerant.
  • The failure rate is low, which reduces the maintenance cost of the oil station.

Typical Submersible Pumping System

The basic structure of the submersible pump

The basic structure of the submersible pump

Pump head: including pump cap and pump seat.

The pump cap is the upper part of the pump head, including the power wiring cavity, electric bridge, capacitor cavity, exhaust threaded plug, check valve, pressure regulating component, exhaust and pressure test interface, and pipeline leak detector.

The pump seat is the lower part of the pump head, including the oil pipe inlet, the wire inlet, the oil outlet interface, and the oil pump support nozzle.

Pump tail: composed of the pump motor and centrifugal pump.

The pump motor consists of a motor, a wire connector, an overheating protector, and an oil channel.

The centrifugal pump consists of an oil inlet cover, anti-static components, an impeller, and a pump shaft.

Generally, we think that submersible pumps are more suitable for large gas stations. Because the submersible pump can make the layout of the gas station very flexible, it can also help many small gas stations solve problems.

If necessary, you can consult Bluesky Energy.

Gas Station Submersible Pump

How to choose a submersible pump?

Submersible Pump Fuel Dispenser And Self-Priming Pump Fuel Dispenser

Judgment Method for Submersible Fuel Pump Leakage

 

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