Water
Deluge Fire Sprinkler Systems for Coal
Power Plants
Deluge
systems are used in high hazard areas such as coal power plants.
Deluge systems are needed where high velocity suppression is
necessary to prevent fire spread.
Coal
conveyor fires are usually caused by friction due to belt slippage,
bearing problems, static electricity or spontaneous combustion.
Given the rapid spread of a fire on a moving conveyor, a deluge
fire sprinkler system can mean the difference between a controlled
fire situation and a major disaster.
Deluge
fire sprinkler systems are connected to a water supply through
a deluge valve that is opened by the operation of a smoke or
heat
detection system. The detection system is installed in the same
area as the sprinklers. When
the detection system is activated water discharges through all
of the sprinkler heads in the system.
To
the right is a picture of a valve header with three deluge
valves.
Below
is a picture
of a coal conveyor supply pipe. This job is unique because
the deluge system is located on a rotating coal conveyor with
the
deluge valve located inside of the power plant.
The supply pipe was difficult to design because it has to move
from time to time.
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