Question

Which of the following is NOT one of the commonly used equipment for ash handling in large and medium size steam power plants?
1. Pneumatic conveyor
2. Bucket conveyor
3. Belt elevator
4. Trollies or rail cars.

Answer 1

Correct Answer - Option 3 : Belt elevator

Explanation:

Ash Handeling Equipments:

• In the modern large steam power plants where large amounts of coal are used, the amount of ash may go up to many thousands tonnes of ash per year.
• A boiler generates approximately 80% fly ash and 20% bottom ash.
• Hundreds of tonnes of ash may have to be handled every day in large power stations and mechanical devices become indispensable Handling of ash includes
  1. Its removal from the furnace
  2. Loading on the conveyors and delivery to the fill or dump from where it can be disposed off by sale or otherwise.
• The commonly used equipment for ash handling in large and medium-size plants may comprise of:
  1. Bucket elevator.
  2. Bucket conveyor.
  3. Belt conveyor.
  4. Pneumatic conveyor.
  5. Hydraulic sluicing equipment.
  6. Trollies or rail etc.