Fire tube boiler is one of type boiler which is classified based on tube type. Fire tube it self can be classified based on configuration as Horizontal Fire Tube and Vertical Fire Tube. The following below is its classification:
1. Vertical Fire Tube Boiler
|Figure 1: Vertical Fire Tube|
The most suitable fuel for this boiler is gas because it is cheaper than the price of oil fuel and burn cleaner than diesel fuel. The range capacity of the boiler is between 10-1250 kg/hr and maximum allowable working pressure (MAWP) is not more than 1 MPa. It is ideal to use as a small boiler to produce steam, up to 800 kg / hr.
2. Horizontal Fire Tube
|Figure 2: Horizontal Fire Tube|