| A boiler is a vessel that contains water, which is | | | | the boiler four times before letting out the stack. |
| heated to a desired level in order to produce | | | | The firetube boiler systems can release up to |
| steam by burning natural gases, coal, oil and wood | | | | 25,000lbs or 750hp of steam per hour. About |
| pellets. The steam hence produced is piped to a | | | | 80% of the boilers that are in use today belong |
| spot where it can be utilized to run the production | | | | to this particular category. |
| units, to sanitize an area, to sterilize equipments, | | | | Watertube Boilers: The fuel or hot gases are |
| to warm up the surroundings, to heat up the | | | | released on to and the area around the outer |
| water, etc. | | | | surface of tubes filled with water. The tubes are |
| A boiler is comprised of a separate container | | | | vertically arranged in the shell. Watertube boilers |
| called burner, which is attached to it. The steam | | | | are generally built in rectangular shape with two or |
| needed to heat homes, buildings and other | | | | three drums. While the top drum is used for |
| structures is created by the fuel that is burned | | | | separating water and steam, the bottom drum is |
| and supplied to the boiler from the burner. Natural | | | | used to collect the sludge. They are usually utilized |
| gas is released into the boiler through a special | | | | when more than 750hp of steam per hour is |
| pipe, tank that is pressurized is used to supply the | | | | required. |
| oil while the wood pellets are propelled into the | | | | The fuel or hot gases released into the boiler |
| burner. These fuels interact with air and are | | | | from the burner heats up the water causing the |
| burned in order to provide the necessary heat | | | | temperature to rise up to 212 degree Fahrenheit. |
| needed to convert water into steam. | | | | That is when the steam is formed. The steam |
| Once the fuel is supplied into the burner and | | | | generated is then circulated throughout the building |
| heated up to the required point, the gases or the | | | | or home using radiators, vents and pipes, |
| fire from the fuel is directly released into the | | | | specifically created for heat transferring. |
| boiler to heat up the water. This can happen in | | | | Some of the heat is retained in the boiler as the |
| one of the two ways depending on the type of | | | | heat required for keeping the building or home |
| boiler used. | | | | warm needs to be regulated, or else they will get |
| There are mainly two types of boilers that work | | | | overheated. Since more steam is produced as the |
| in different ways to produce heat. | | | | temperature increases, it is essential to check the |
| Firetube Boilers: The most commonly used are | | | | boiler and ensure that excess pressure is not built. |
| firetube or shell boilers. In firetube boilers the fire | | | | To check the pressure build up, run your boiler for |
| or hot gases released from the burner are run | | | | short durations of time. Furthermore, they have |
| through within the tubes inside the shell of the | | | | to be maintained regularly to keep them in |
| boiler with water surrounding them. The tubes are | | | | optimum working condition. |
| set in banks in order to let the gases go through | | | | |