Steam Boiler, Steam, furnace

Boiler

Steam Boiler:

A steam boiler is a sealed container, typically constructed from steel, where water is heated using a heat source generated by fuel combustion, accordingly producing steam. This steam can be delivered at low pressure for various industrial processes, such as in cotton mills and sugar production, as well as for generating hot water that can be utilized in heating systems at lower pressures.

 

Steam: 

Steam is the vapor produced when water transitions from a liquid to a gaseous state. At the molecular level, this occurs when H2O molecules break free from the hydrogen bonds that hold them together. In liquid water, these molecules are in a constant state of bonding and separation. However, as the water is heated, the bonds between the molecules begin to break more quickly than they can reform. Eventually, with sufficient heat, some molecules escape, resulting in the formation of the transparent gas known as steam, or more specifically, dry steam. Steam has a wide array of applications across various industries. It is commonly used in processes such as steam heating in plants and factories, as well as in steam-driven turbines in electric power generation, but its industrial uses extend well beyond these examples.

 

Type of Steam Boiler:- 

 

         1) Fire tube boiler 

         2) Water tube boiler

Fire tube boiler:- In a fire tube boiler, burned gases or fire are present inside the tubes, and water surrounds the tubes within the shell of the boiler. That's why it is called a fire tube boiler.

Water tube boiler: In this type of boiler, the setup is opposite to that of a fire tube boiler. In a water tube boiler, water is present inside the tubes, and smoke or fire is present in the shell of the boiler.

Water tube boilers are known for their ability to produce steam at higher pressures and temperatures, making them suitable for power plants and industries requiring high efficiency.

Fuel used for burning:-

   1) Furnace oil

   2) Natural gas 

   3) coal fire

   4) Bagase fire

   5) Diesel