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