Chemistry, asked by Astronautnikhil4713, 1 year ago

Write down advantages and disadvantages of pulverized coal.

Answers

Answered by devanshguptaas1
6
Dear student,
Advantages of pulverized coal are :-
1. It increases the efficiency of the boiler.
2. It makes possible the use of wide variety of coal.
3. It reduces time of raising temperature of steam.
4. Combustion of pulverized coal can readily be adopted to automatic control.
5. This system works successfully with or in combination with the gas and oil.
6. Large amount of heat release is possible in this system compared to stoke firing system.
7. The banking losses are low compared to stoke firing system.

Disadvantages of pulverized coal are :-
1. Additional cost and complication of equipment.
2. 40% of the ash passes up through the chimney and spread itself upon the surrounding.
3. Special efforts are required to be made to precipitate most of the ash.
4. The possibility of the explosion is more as coal burn like gas.
5. The storage of powdered coal requires special attention and high protection from the fire hazards.


Hope you will understand the answer of your question.



Thanking you.
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