Electrical Topics

ASH HANDLING SYSTEM IN THERMAL STATION In thermal power plants, coal is used as a fuel for generating electricity. After burning of coal, 40% of the total coal consumption is converted into ash which need to be properly disposed off from the thermal power plant. TYPES OF ASH GENERATED IN THERMAL POWER PLANT   1.      Bottom Ash -   Ash generated below furnace of the thermal power plant is called the bottom Ash. The value of bottom Ash generated is around 20% of total Ash. Bottom Ash is mostly coarse in nature hence it needs to be further crushed before being transported to ash handling system. 2.     Fly Ash - around 80% of ash generated in thermal power plant is fly ash. It is in form of very fine particles which is collected by economiser hopper, air preheater Hopper and electrostatic precipitator.   Ash handling plant or ash handling system in thermal power plant are used to cooled down the ash to manageable temperature, transferred to a disposal area or storage which i

Introduction of Thermal power plant   A thermal power plant station is a power plant in which heat energy is converted to electric power. In most of places in the world of turbine is steam- driven. Water is heated, turns into steam turbine which drives an electrical generator.  After it passes through the turbine the steam is  condensed  in a  condenser  and recycled to where it was heated. This is known as a  Rankine cycle.   Thermal power station                                                                Almost all  coal , petroleum,  nuclear ,  geothermal ,  solar thermal electric , and  waste incineration plants , as well as many natural gas power stations are thermal.  Natural gas  is frequently  burned  in  gas turbines  as well as  boilers . The  waste heat  from a gas turbine, in the form of hot exhaust gas, can be used to raise steam by passing this gas through a  heat recovery steam generator  (HRSG). The steam is then used to drive a steam turbine in a  combined cy