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