There are different types of fire tube boiler likewise, external furnace and internal furnace fire tube boiler. Fire tube boiler can be heating by gas & oil or other biomass.
External furnace boiler can be again categorized into three different types-
1) Horizontal Return Tubular Boiler.
2) Short Fire Box Boiler.
3) Compact Boiler.
Again, internal furnace fire tube boiler has also two main categories such as horizontal fire tube boilers and vertical fire tube boiler.
Normally horizontal return fire tube boiler is used in thermal power plant of low capacity. It consists of a horizontal drum into which there are numbers of horizontal tubes. These tubes are submerged in water. The fuel (normally coal) burnt below these horizontal drum and the combustible gasses move to the rear from where they enter into fire tubes and travel towards the front into the smoke box. During this travel of gasses in tubes, they transfer their heat into the water and steam bubbles come up. As steam is produced, the pressure of the boiler developed, in that closed vessel.
Advantages of Fire Tube Boiler
1) It is quite compact in construction.
2) Fluctuation of steam demand can be met easily.
3) It is also quite cheap.
Fire tube boiler manufacturer
As a professional manufacturer of fire tube boilers in China, ZG is very famous to worldwide, especially in domestic. ZG fire tube steam boiler is favored in most of industries, especially in India textile industry. Such as 6ton steam boiler in India textile factory.