Fire fighting Principle: Cooling & smothering
Working
System consists of a freshwater tank, freshwater pump, solenoid valves, nozzle, control unit, etc.
> At the time of fire, fresh water pump takes suction from fresh water tank to the sprinkler system at high pressure.
> Each area separated by isolating valves which will operate during fire.
How Activate hypermist system
It can be done by three method
> Automatic: System will start automatically when two detectors (Flame & smoke) will get activated.
> Activating from local panel: There is a push switch provided to start manually
> Emergency Starting: Start the pump manually then manually open the solenoid valves
The most common areas covered by water mist system
> Incinerator room
> Auxiliary boiler room
> Auxiliary generators
> Main engine cylinder head platform
> Purifier room
> Inert gas generator room
> Steering gear room
You can answer Following Questions
> Hyper mist fire fighting system on ship is used in which areas? (Imp)
> Hyper mist system working principle
> Procedure for activating Hypermist System (Imp)
> Which all detectors should activate for automatic operation? (Imp)