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The Difference Between Steam and Gas Turbines

Mar 18, 2020 · Steam Turbines. The primary difference between steam and gas turbines is the fact that steam turbines receive power from expanding steam. Fuels such as natural gas can heat condensed water in a boiler, but it's also possible to utilize renewable thermal energy for this heating.

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Chapter 14 Boilers - Pearson

292 Chapter 14 Stack—an opening at the top of the boiler that is used to remove flue gas, p. 297. Steam drum—the top drum of a boiler where all of the generated steam is collected before entering the distribution system, p. 293. Steam trap—a device used to remove condensate or liquid from steam systems, p. 294. Superheated steam—steam that has been heated to a very high temperature so

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Boiler | engineering | Britannica

Boiler, also called Steam Generator, apparatus designed to convert a liquid to vapour. In a conventional steam power plant, a boiler consists of a furnace in which fuel is burned, surfaces to transmit heat from the combustion products to the water, and a space where steam can form and collect. A conventional boiler has a furnace that burns a

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Nuclear Power for Electrical Generation

In the turbine, the steam passes through the blades, which spins the electrical generator (C), resulting in a flow of electricity. After leaving the turbine, the steam is converted (condensed) back into water in the condenser (D). The water is then pumped (E) back to the boiler (F) to be reheated and converted back into steam.

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CHAPTER 2 Steam Generators

Steam and feedwater together is called working fluid. The name "steam generator" is also still called "boiler," but modern steam generators in the supercritical class do not involve the "boiling" phenomenon. The fuel-firing equipment of a steam generator should completely burn the fuel used in the furnace to release as much energy as possible. Air is fed into the furnace for combustion of fuel-

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Steam generator & its type. - SlideShare

When water is turned into steam by boiling at sub-critical pressures, the steam-generating equipment is called a "steam boiler" When water turns into steam without boiling at super-critical pressures, the equipment is called "steam generator". In short, Sub-critical Steam generators = Steam Boilers Super-critical Steam generators = Steam Generators

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Boiler – Fundamentals and Best Practices

Steam Production At normal atmospheric pressure, any further addition of heat to water at 100°C will not increase the temperature but will convert some of the water into steam In order to convert water into steam 2,257 kJ/kg (971Btu/lb) of additional heat must be added This cannot be detected as a rise in temperature and is called the Latent

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The steam generator is called a steam drum

Steam drums for power generation. The steam drum is the primary interface between water and steam. In a coalfired plant, boiler feedwater passes through the economizer and into the drum where the steam separates from the feedwater and is drawn off to the superheater. In combined-cycle operations, a Heat Recovery Steam Generator (HRSG) serves

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Boiler: Definition, Types, Applications, Necessity, and

A steam boiler or steam generator is a closed vessel in which water is heated, vaporized and converted into steam at a pressure higher than atmospheric pressure. A Boiler is the biggest and most critical part of a thermal power plant.

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Flash Steam | TLV - A Steam Specialist Company (North America)

Flash steam is a name given to the steam formed from hot condensate when the pressure is reduced. Flash steam is no different from normal steam, it is just a convenient name used to explain how the steam is formed. Normal or "live" steam is produced at a boiler, steam generator, or waste heat recovery generator – whereas flash steam

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Heat Recovery Steam Generator - an overview

Heat recovery steam generator is a high-efficiency steam boiler that uses hot gases from a gas turbine for reciprocating engine to generate steam in a thermodynamic Rankine Cycle. This system is able to generate steam at different pressure levels according to …

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Mitsubishi Power | Power Plants: Steam Power Plants

A steam power plant consists of a boiler, steam turbine and generator, and other auxiliaries. The boiler generates steam at high pressure and high temperature. The steam turbine converts the heat energy of steam into mechanical energy. The generator then converts the mechanical energy into electric power.

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Steam Turbine Auxiliaries Question & Answers

The exhaust steam of the new turbine has the same pressure as the old boilers and is used to supply the old turbines. What is an extraction turbine? Answer: In an extraction turbine, steam is withdrawn from one or more stages, at one or more pressures, for heating, plant process, or feedwater heater needs. They are often called "bleeder turbines."

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Steam Boiler | What is Steam Boiler | Application and

What is Steam Boiler. A steam boiler 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 steam boiler and worked at low to medium pressure (1–300 psi or 6.895–2,068.427 kPa) but, at pressures above this, it is more usual to speak of a steam generator.

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Boiler | engineering | Britannica

Boiler, also called Steam Generator, apparatus designed to convert a liquid to vapour. In a conventional steam power plant, a boiler consists of a furnace in which fuel is burned, surfaces to transmit heat from the combustion products to the water, and a space where steam can form and collect. A conventional boiler has a furnace that burns a

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Mitsubishi Power | Power Plants: Steam Power Plants

A steam power plant consists of a boiler, steam turbine and generator, and other auxiliaries. The boiler generates steam at high pressure and high temperature. The steam turbine converts the heat energy of steam into mechanical energy. The generator then converts the mechanical energy into electric power.

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Steam Turbine Auxiliaries Question & Answers

The exhaust steam of the new turbine has the same pressure as the old boilers and is used to supply the old turbines. What is an extraction turbine? Answer: In an extraction turbine, steam is withdrawn from one or more stages, at one or more pressures, for heating, plant process, or feedwater heater needs. They are often called "bleeder turbines."

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How electricity is generated - U.S. Energy Information

Nov 09, 2020 · Steam turbines are used to generate the majority of the world's electricity and they accounted for about 48% of U.S. electricity generation in 2019. Most steam turbines have a boiler in which a fuel is burned to produce hot water and steam in a heat exchanger, and the steam powers a turbine that drives a generator.

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What Is CHP? | US EPA

Mar 10, 2021 · With steam turbines, the process begins by producing steam in a boiler. The steam is then used to turn a turbine to run a generator to produce electricity. The steam leaving the turbine can be used to produce useful thermal energy. These systems can use a variety of fuels, such as natural gas, oil, biomass, and coal.

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The steam generator is called a steam drum

Jun 02, 2020 · Steam generators are ideal for on-demand situations. They are smaller and easier to start up compared to steam boilers and, thus, may be used as auxiliary boilers. Generators usually do not have the same maximum capacity as fuel fired boilers, so they are best for applications that require point of use dry steam.

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