The main differences between the fire tube and the water tube boiler are the hot gases flow inside the tube and water surround them in the fire tube boiler whereas, In the water tube, water flows inside the tube and Hot gases surround them.
Before moving to further detailed explanation lets have some overview of Fire tube and water tube boiler.
Note: At the bottom of every article the PDF link is attached make sure if you want you can easily download.
So let’s start with the Boiler first,
A boiler is a closed vessel in which fluid (generally water) is heated up to high-pressure steam. The boilers are used in power plants, for the generation of steam. They are mostly used in power plants where steam turbines are used for the generation of electricity.
Fire-tube boiler is those 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 the fire tube boiler are the simple vertical, Cochran, Lancashire, Cornish, Locomotive, Scotch marine, and Velcon boiler.
The water-tube boiler is those boiler in which the water is present inside the tubes and fire or hot gases surround these fire tubes.
The examples of water tube boilers are a La-Mont, Benson, Stirling, Babcock and Wilcox, Yarrow and Loeffler boiler.
Difference Between Fire Tube Boiler and Water Tube Boiler:
Here are the 15 points on differences between Fire and Water-tube boiler:
|SL NO||FIRE TUBE BOILER||WATER TUBE BOILER|
|1.||Hot flue gases flow inside the tube and the water outsides the tubes.||Water flows inside the turbine and hot flue gases outside the tube.|
|2.||These boilers are generally internally fired.||These boilers are generally extra really fired.|
|3.||The boiler pressure limited to 20 bar.||The boiler pressure is limited to up to 100 bar.|
|4.||The fire-tube boiler has a lower rate of steam production.||A higher rate of steam production.|
|5.||Not suitable for larger power plants.||Suitable for larger power plants.|
|6.||Involves lesser risk of explosion due to low pressure.||The risk of the explosion is higher due to high boiler pressure.|
|7.||For a given power, it occupies large floor space.||For a given power, it occupies small floor space.|
|8.||This boiler is difficult to construct.||Simple in construction.|
The other 7 differences are:
|9.||Difficult in transportation.||Simple in transportation.|
|10.||They require less skill to operate, as compare to the water tube boiler.||They required a skilled operator.|
|11.||They are difficult to repair and cleaning as they are internally fired.||They are easy to repair and clean as they are externally fired.|
|12.||They required a large shell diameter. Because the firetube situated inside the shell.||They required a small shell diameter.|
|13.||The efficiency of the fire tube boiler is less as compared to the water tube boiler.||The efficiency of the water tube boiler is more.|
|14.||The maintenance of this boiler is costly. It requires regular inspection.||They are easy to maintain as they are externally fired.|
|15.||Ex: Cornish Boiler, Lancashire Boiler.||Ex: Babcock and Wilcox Boiler.|
So this is all about Comparison between the fire tube and water tube boiler, I hope you like my article, feel free to share your thoughts on the comment section.
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A boiler is a closed vessel in which fluid (generally water) is heated up to high-pressure steam. The boilers are used in power plants, for the generation of steam.
It is categorized into several categories but the Fire and Water tube boiler is the main category.
Hot gases flow inside the tube and water flows outside the tube.
Water flows inside the tube and fire surrounds them.
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