A brief explanation about the fire pipe boiler

In the type of boiler with fire pipe occurs heat transfer from hot gas to water and then the water turned into steam, this is because the flue gas of the flue gas flows through the outer pipes covered with water. The type of fire Caldera Pirotubular has the characteristics of producing steam pressure and low capacity. The arrangement of pipes in this kettle is made pass-per-pass, the goal is that heat transfer from hot gas...