Advantages and Limitations of Babcock and Wilcox Boiler

Read: Construction and working of Babcock and Wilcox boiler

Advantages and application of Babcock and Wilcox boiler

  • The draught loss of Babcock and Wilcox boiler is minimum
  • Very high steam generation capacity 20,000 to 40,000 kg/hr
  • Inspection during operation is possible.
  • Defective tubes can replace readily.
  • All portion of Babcock and Wilcox boiler is accessible to inspection, cleaning, and repairing.
  • Rapid circulation of water can be made.
  • Very quick steaming. This boiler has ability to raise the temperature of water quickly, so they are suitable were to meet sudden demands.
  • The water tube and drum are not rigidly connected to the brick wall, which enables the free expansion and contraction during thermal cycle.
  • It can deliver dry steam of high capacity even under poor feed water supply when compared to other boilers.
  • The efficiency of 60 to 80%
  • Less floor area required per unit power when compared to fire tube boiler.

Disadvantages of Babcock and Wilcox boiler

  • The water used in this boiler must be free from impurity and sedimentary particle. Water treatment is necessary.
  • Fouling of the tube may cause overheating and bursting of tubes.
  • Should keep correct water level inside the drum. A failure of water supply for even a short period cause a large problem related to overheating.
🔗Common problems associated with steam system

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