f what is boiler | Power plants education

Tuesday, May 18, 2021

what is boiler

What is boiler, boiler accessories, boiler mounting, boiler meaning in hindi, fire tube boiler example, fire tube boiler,water tube boiler example



Boiler is a machine that is generate steam on a designer pressure and temperature .A boiler is a machine that used to create steam by applying heat energy to water. This steam is use as a mechanical energy.


boiler   
In a power plant boiler is use to produce steam , this steam can be generate electricity.

 

Type of boiler- Boiler  are classified depending upon the flue , pressure of steam, mode of flow of heat carrying substance etc. Mostly boilers are classified on basis of following considerations. 

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 Fire tube boiler and water tube boiler

 

  •  fire tube boiler - In this boiler hot gasses is flow in the tube and water is run outer surface of the tube . In this boiler the fuel is burnt inside the furnace and hot gasses produced in it, then passes through the fire tube . The fire tube are immersed in water inside the main vessel of the boiler . As the hot gasses is passes through these tubes and water is flow  outer surface of these tube and the heat is transfer through it and water is convert into steam by the naturally circulation. The water is convert into steam and the new cool water is come in the vessel through water feed inlet path , as the steam and the water is stored is the same vessel, and high pressure  steam is pass through the main steam valve this steam valve is called mssv valve . Main steam safety valve (mssv) is use the safety of the boiler. 

 

 fire tube boiler in power plant

                                                  Fire tube boiler

  Example- lancashire,cornish ,locomotive ,scotch etc.

 

Water tube boiler-  In this boiler water is pass thought in-side the tube and hot flue gasses pass outside the tube .The heat is transfer thought the wall of the tubes by thermal condition , heating the water and ultimately creating steam . This steam is use to utilize to generate the electricity and other work. Water tube boiler is a high pressure boiler that is operate at a pressure. Water tube boiler efficiency is high greater than fire tube

       

water tube boiler 

Water tube boiler

Example- la-mont, bensen, stirling, babcock and wilcox ect.

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