Write advantages and disadvantages of pulverized coal

Advantages of pulverized coal

  • It increases the efficiency of the boiler.
  • It makes possible the use of wide variety of coal.
  • It reduces time of raising temperature of steam.
  • Combustion of pulverized coal can readily be adopted to automatic control.
  • This system works successfully with or in combination with the gas and oil.
  • Large amount of heat release is possible in this system compared to stoke firing system.
  • The banking losses are low compared to stoke firing system.

Disadvantages of pulverized coal

  • Additional cost and complication of equipment.
  • 40% of the ash passes up through the chimney and spread itself upon the surrounding.
  • Special efforts are required to be made to precipitate most of the ash.
  • The possibility of the explosion is more as coal burn like gas.
  • The storage of powdered coal requires special attention and high protection from the fire hazards.
Pulverized Coal

Pulverized Coal

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