What is identified as the basic cause of all boiler explosions?

The basic cause of all boiler explosions is linked to the accumulation of unburned fuel or combustion vapors. When unburned fuel or combustion vapors are present in the boiler, they create a highly flammable environment. If these vapors ignite, they can lead to a rapid increase in pressure and temperature within the boiler, significantly raising the risk of an explosion.

This factor emphasizes the importance of proper fuel management and safety measures within boiler operations to prevent dangerous buildups. Such precautions also include ensuring thorough combustion to minimize unburned fuel and vapor accumulations. Understanding this cause is crucial for the safe operation of boilers, as it helps technicians and operators implement strategies to mitigate risks associated with flammable gases.