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2. Air preheater - Wikipedia

   en.wikipedia.org/wiki/Air_preheater

   There are two types of air preheaters for use in steam generators in thermal power stations: One is a tubular type built into the boiler flue gas ducting, and the other is a regenerative air preheater. [1] [2] [7] These may be arranged so the gas flows horizontally or vertically across the axis of rotation.

3. Heat recovery steam generator - Wikipedia

   en.wikipedia.org/wiki/Heat_recovery_steam_generator

   A heat recovery steam generator (HRSG) is an energy recovery heat exchanger that recovers heat from a hot gas stream, such as a combustion turbine or other waste gas stream. It produces steam that can be used in a process ( cogeneration ) or used to drive a steam turbine ( combined cycle ).

4. List of power stations in Ohio - Wikipedia

   en.wikipedia.org/wiki/List_of_power_stations_in_Ohio

   Closed in 1975; Philo Unit 6 was the first commercial supercritical steam-electric generating unit in the world, [29] and it could operate short-term at ultra-supercritical levels. [30] Picway Power Plant: Lockbourne: 220: AEP: Coal: Closed in 2015 E.M. Poston Power Plant: Nelsonville: AEP: Coal: Closed in 1987 Shelby Municipal Light Plant ...

5. Thermal power station - Wikipedia

   en.wikipedia.org/wiki/Thermal_power_station

   The Primary air fan takes air from the atmosphere and, first warms the air in the air preheater for better economy. Primary air then passes through the coal pulverizers, and carries the coal dust to the burners for injection into the furnace. The Secondary air fan takes air from the atmosphere and, first warms the air in the air preheater for ...

6. Combined cycle power plant - Wikipedia

   en.wikipedia.org/wiki/Combined_cycle_power_plant

   The turbine exhaust is already hot, so a regenerative air preheater is not required as in a conventional steam plant. However, a fresh air fan blowing directly into the duct permits a duct-burning steam plant to operate even when the gas turbine cannot. Without supplementary firing, the thermal efficiency of a combined cycle power plant is ...

7. Steam generator - Wikipedia

   en.wikipedia.org/wiki/Steam_generator

   Steam generator (auxiliary boiler), a steam-powered boiler used on ships to produce a low-pressure steam, heated by a high-pressure steam supply rather than a flame. Steam generator (boiler), an oil- or gas-fired boiler, based on a low-water content monotube coil. Steam generator (nuclear power), a heat exchanger in a pressurized water nuclear ...

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Steam generator (boiler) - Wikipedia

   en.wikipedia.org/wiki/Steam_generator_(boiler)

   A steam generator is a form of low water-content boiler, similar to a flash steam boiler. The usual construction is as a spiral coil of water-tube , arranged as a single, or monotube , coil. Circulation is once-through and pumped under pressure, as a forced-circulation boiler . [ 1 ]