Index Main and auxiliary equipment Coal treatment plant: Pulverization plant: Draft system: Boiler: Turbine: Ash treatment plant: Condenser: Cooling towers and ponds: Feed water heater: Economizer: Preheater air:A Thermal The power plant converts the thermal energy of coal into electrical energy. The coal is burned in a boiler which converts the water into steam. The expansion of steam in the turbine produces mechanical energy that drives the alternator (generator) coupled to the turbine. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get Original Essay Thermal power plants contribute maximum power generation for any country. Thermal power plants constitute 75.43% of the total production of electricity installed, captive and non-captive. In thermoelectric power plants, coal, oil, natural gas, etc. they are used as primary sources of energy. Main and Auxiliary Equipment Coal Handling Plant Pulverizing Plant Draft Plant Boiler Ash Handling Plant Turbine Alternator Condenser Cooling Towers and Ponds Economizer Feed Water Heater Superheater and Reheater Air Preheater Coal Handling Plant: The Function of the Coal Handling Plant Coal handling is the automatic feeding of coal to the boiler furnace. A thermal power plant burns enormous quantities of coal. A 200 MW plant can require around 2,000 tonnes of coal per day. Pulverization plant: In modern thermal power plants, coal is pulverized, that is, reduced to powder and transported to the furnace in a stream of hot water. air. Pulverization is a means of exposing a large surface area to the action of oxygen and consequently promoting combustion. Draft System: Air circulation is caused by a pressure difference, called Draft. Draft is a differential pressure between the atmosphere and the inside of the boiler. It is necessary to cause the flow of gases through the boiler setting. It can be natural draft OR mechanical draftBoiler:A boiler or steam generator is a closed vessel in which water under pressure is converted into steam. It is one of the main components of a thermoelectric power plant. Always designed to absorb the maximum amount of heat released in the combustion process. Boilers are of two types Fire tube boiler. Water tube boiler. The superheater is a component of a steam generating unit in which the steam, after leaving the boiler drum, is heated above its saturation temperature. The amount of superheat added to the steam is affected by the location, layout and amount of superheater surface area installed, as well as the boiler's power rating. The superheater may consist of one or more stages of tube banks arranged to effectively transfer heat from the combustion products. The superheater is also a component of the steam boiler in which heat is added to steam under pressure, which has given up some of its energy during expansion. through the high pressure turbine. The steam after heating is used to rotate the second steam turbine where the heat is converted into mechanical energy. This mechanical energy is used to operate the alternator, which is coupled to the turbine, generating electrical energy. Turbine: A steam turbine converts the thermal energy of steam into mechanical energy and drives the generator. Use the principle that