Question

Difference between water tube boiler and fire tube boiler

Answer 1

Explanation:

1 In Fire-tube boilers hot flue gases pass through tubes and water surrounds them. In Water-tube boilers water passes through tubes and hot flue gasses surround them.

2 These are operated at low pressures up to 20 bar. The working pressure is high enough, up to 250 bar in super critical boilers.

3 The rate of steam generation and quality of steam are very low, therefore, not suitable for power generation. The rate of steam generation and quality of steam are better and suitable for power generation.