20 Terms
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Prevention & protection
File prevention and protection terms.
Industry: Fire safety
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Prevention & protection
non-accessible, concealed
Fire safety; Prevention & protection
Not capable of being exposed for inspection, maintenance, or repair without damage to the chimney or building structure or finish, or without the use of special tools.
interharmonics
Fire safety; Prevention & protection
Not all frequencies that occur on an electrical power system are integer multiples of the fundamental frequency (usually 60 Hz), as are harmonics. Some loads draw currents that result in voltages ...
combustion control system in a fluidized bed
Fire safety; Prevention & protection
In a fluidized bed, the control system that regulates the furnace fuel input, furnace air input, bed inventory, and other bed heat transfer mechanisms to maintain the bed temperature and the air-fuel ...
semifluidized
Fire safety; Prevention & protection
In a fluidized bed boiler, the state in which a uniform flow of air that is less than that necessary to fluidize the bed is admitted and is found to be sufficient to adequately remove gaseous ...
freeboard
Fire safety; Prevention & protection
In a fluidized bed boiler, the space or volume above the upper surface of the bubbling bed and below the entrance to the convection pass.
reinjection
Fire safety; Prevention & protection
In a fluidized bed boiler, the return or recycling of material removed or carried from the furnace back to the furnace. Also refers to fly ash collected and returned to the furnace or combustion ...
auxiliary fuel
Fire safety; Prevention & protection
In a fluidized bed boiler, generally a gaseous or liquid fuel used to warm the bed material sufficiently to allow ignition of the main fuel upon injection into the heated bed material.
