Advantage, Disadvantage And Application Of Fire Tube Boiler

Amrit Kumar Thermal Engineering Leave a Comment

Fire Tube Boiler:

Are you looking for the Fire tube boiler? So today we will study the Advantage, Disadvantage, and Application of fire tube Boiler. Here You will get the articles of Mechanical Engineering in Brief with Some Key Points and you will get to know an enormous amount of knowledge from It. So You Find this articles helpful please let us know in the comment box, either if any correction required too, also let’s know in the comment box.

Fire tube boiler:

  • This is a boiler in which the fire or hot gas is present inside the tubes and water surrounds these fire tubes.
  • Since fire is inside the tubes and hence it is named as fire tube boiler. The heat from the hot gases is conducted through the walls of the tube to the water.
  • The examples of this boiler are the simple vertical boiler, Cochran boiler, Lancashire boiler, Cornish boiler, Locomotive boiler, Scotch marine boiler and Velcon boiler.


1.Fire tube boiler is in simple design and has a low maintenance cost.
2.Less skilled operation are sufficient for efficient operation.
3.Fire tube boiler can be used in small industry.
4.Treatment of feed water is not very essential in fire tube boiler.
5.No pure feed water is required in FTB, So cost can be minimized because pure feed water is costly.
6.For the same power output, the cost of a fire tube boiler is less as compared to a water tube boiler.


1.The maximum working pressure of fire tube boiler is up to 20 bar.
2.Overall efficiency is up to 75%
3.It requires more floor area for a given output.
4.Load fluctuation cannot be easily handled.
5.The rate of steam generation and quality of steam for suitable power generation are not much better than the water tube boiler.
6.This is used in small power plants.


1.Fire Tube Boilers are mostly used in railways,
3.and industrial sectors.

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About the Author

Amrit Kumar

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Amrit is a Co-founder of Learn Mechanical Portal (Previously owned ""). He completed his diploma in Mechanical Engineering from Acharya Polytechnic Bangalore and also completed his B-Tech from Delhi. Amrit is now preparing for Govt. exams. If you need help, you can ask him regarding any suggestions in the mechanical engineering field. He loves to meet new people.

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