Boiler Protection and Safety Interlocks

Situations Causing Explosive conditions?

Numerous situations can arise in connection with the operation of a boiler furnace that will produce explosive conditions.

  • Interruption of Fuel or air supply or ignition energy to the burners.

  • Fuel Leakage into an idle furnace and the ignition of the accumulation

  • Repeated Unsuccessful attempts to light up without appropriate purging

  • The Accumulation of an explosive mixture of fuel and air as a result of a complete furnace flameout

Multiple burner boilers require two independent control systems.

  • One to control steam production i.e. Boiler Control System and

  • One to control the fuel burning equipment i.e. Burner Management System…

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