· PDF fileUNIT-1 THERMAL POWER STATIONS Introduction Thermal energy is the major source of power generation in India. More than 60% of electric power is produced by steam plants in India. India has large deposit of coal (about 170 billion tonnes), 5th largest in world. Indian coals are classified as A-G grade coals. In Steam power plants, the heat of combustion of fossil fuels is utilized by the boilers to …

Click to view on 1:3106-09-2008· The inside of a 670MW pulverized coal fired boiler, taken from several observation ports on different elevations. This natural-circulation boiler produces superheated steam rated at 1000F,

03-09-2012· A boiler or steam generator is a device used to create steam by applying heat energy to water. Although the definitions are somewhat flexible, it can be said that older steam generators were commonly termed boilers and worked at low to medium pressure but, at pressures above this, it is more usual to speak of a steam generator.

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  Boiler in Thermal Power Plant | Power4you - "Power from �

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  • Overview12-07-2015· Conventionally BOILER is a pressurised vessel which converts water in to steam. According to modern definition of boiler “it is a heat exchanger whose work is to produce high pressure steam from water”.
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Boiler in a power plant has two functions. The Combustion system converts energy in coal to Heat. Water and steam system converts the heat to steam at high pressures and temperatures. This series explains the working of the boiler in modern power plant.