Diesel is a very complex fluid, and no two batches are exactly the same. The deterioration, filtration, and shelf life of fuel depend on multiple factors; Temperature, water, microbial contamination, and changes in heat and pressure exposed to the engine injection system can significantly accelerate fuel decomposition. Fuel degradation is an inevitable natural process, and hot reflux fuel and condensation are important reasons for fuel deterioration in emergency generator fuel tanks. So how do users maintain diesel generator fuel to prevent its rapid degradation?

Fuel tank position:

Underground: The oil supply cover component of the underground oil tank is prone to water leakage. Improper installation and locking of the lid can lead to water pollution. There may also be a temperature difference between the bottom and top of underground storage tanks. The upper part of the tank will fluctuate correspondingly with changes in ground temperature. This temperature difference will cause condensation to form on the tank wall and descend to the bottom of the tank. Over time, these waters will accumulate, providing a growth medium for fungi and microorganisms.

On the ground: Heat from the sun causes the fuel in the tank to expand and contract every day. This daily contraction can also cause condensation to form on the walls of the water tank and settle to the bottom, providing growth medium again.

Fuel tank size:

Many times, end users need a larger fuel tank than needed to ensure sufficient fuel to extend operating time during power outages. However, diesel fuel is composed of hydrocarbons. It is born with water. After a period of time, the fuel will begin to separate and oxidize. Separation can cause water to accumulate at the bottom of the fuel tank. Oxidation can lead to the formation of sediment and solids at the bottom of the tank, all of which will settle to the bottom of the tank. Excessive fuel tank size will only lead to fuel degradation issues. The fuel manufacturer declares that the storage time of diesel fuel should not exceed 6-9 months.

Testing:

Fuel samples should be taken from the first filling of the fuel tank to provide a benchmark for fuel quality. Then samples should be taken annually to determine the deterioration rate of the fuel. If the fuel is affected by extreme temperature fluctuations due to geographical location or other external factors, it is recommended to conduct testing every six months or every quarter.

In summary, a comprehensive backup diesel generator diesel fuel maintenance plan will ensure that your fuel is stored, tested, and maintained to ensure the highest reliability of the system. It will help reduce your carbon footprint by reducing emissions and also help reduce the maintenance costs of generator engines.

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