The shaft then rotates the generator which converts this kinetic energy into electrical energy. The saturated steam is introduced into superheat pendant tubes that hang in the hottest part of the combustion gases as they exit the furnace.
Thus leaks of non-condensible air into the closed loop must be prevented. Because the metallic materials it contacts are subject to corrosion at high temperatures and pressures, the makeup water is highly purified before use.
Also Read: Combination Boilers The boiler tubes which are in contact with low temperature acts as downcomers to circulate the water while the tubes which are in contact with high temperature acts as risers to carry steam. Generally, flue gases from the boiler exhaust are at high temperature and if this heat is not utilized will lead to a large number of losses resulting in reduced boiler efficiencies.
Forced draft fan For units over about MW capacity, redundancy of key components is provided by installing duplicates of the forced and induced draft fans, air preheaters, and fly ash collectors. The pulverizers may be ball millsrotating drum grindersor other types of grinders.
Air-cooled condensers typically operate at a higher temperature than water-cooled versions. The thermal power plant consists of five MW generating units.
The first unit of the power plant was commissioned in Augustwhile the last unit commenced operations in October