Plz explain the difference and applications for both boiler.If any pictures available means kindly send .in
There are fire tube boilers where the products of combustion travel through the tubes to heat the water. These are sometime called Scotch marine boiler. There are tube type boilers where the water is in the tubes but the tubes are connected at top and bottom by drums. The bottom drum is called the mud drum and the top is the steam drum where the water level in the boiler is maintained and the steam is separated from the water. The coil type boiler is a special version of the water tube boiler in that the tubes are formed in a spiral. The links below will give some additional information.
