What is the function of boiler in thermal power plant?

Boilers are used in power plants in order to produce high pressured steam, so that the plant can generate electricity. The process that does this is known as the Rankine cycle. The boiler takes in energy from some form of fuel such as coal, natural gas, or nuclear fuel to heat water into steam.

What is the function of boiler?

Boilers are used to produce steam. The generation part of a steam system uses a boiler to add energy to a feedwater supply to generate steam. The energy is released from the combustion of fossil fuels or from process waste heat.

Which boiler is used in thermal power plant?

There are two types of boilers are used in sub critical, super critical and ultra-super critical coal fired thermal power plant: Pulverized coal-fired Boiler. Fluidized Bed combustion (FBC) boiler.

What is a boiler in power plant?

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.

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How does a boiler work and what is the function of boiler in power plant?

A boiler incorporates a firebox or furnace in order to burn the fuel and generate heat. The generated heat is transferred to water to make steam, the process of boiling. This produces saturated steam at a rate which can vary according to the pressure above the boiling water.

What are the 3 types of boilers?

There are three main types of boilers you can install into your home: combi boilers, heat only (regular boilers) and system boilers.

What are the main parts of a boiler?

What are the Main Components of a Commercial Boiler

  • Burner. The burner is the part of the boiler where air mixes with the fuel source and combusts. …
  • Combustion Chamber. …
  • Heat Exchanger. …
  • Controls. …
  • Supply Lines and Return Lines. …
  • Circulator Pump. …
  • Exhaust Stack. …
  • Conclusion.

What are the important parts of thermal power plant?

The main parts of Thermal Power Plant:

  • River or Canal.
  • Circulating Water Pump.
  • Condenser.
  • Heater.
  • Economizer.
  • Boiler.
  • Superheater.
  • Turbine.

What are the advantages of thermal power plant?

Advantages of Thermal Power Plants

  • Making Energy from Thermal Power plants is easy.
  • The fuel used (coal) is cheap.
  • Thermal Power Plant can be set up anywhere near fuel and water supply.
  • It requires less space as compared to the hydroelectric power station.

What is a superheater in boiler?

A superheater is a device used to convert saturated steam or wet steam into superheated steam or dry steam. Superheated steam is used in steam turbines for electricity generation, steam engines, and in processes such as steam reforming.

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What is boiler PDF?

A steam boiler is a closed vessel, generally made of steel, in which water is heated by some source of heat produced by combustion of fuel and ultimately to generate steam. The steam produced may be supplied at low pressure for industrial process work in cotton mills, sugar industries etc.

What fuel does a boiler use?

The primary boiler fuels are coal, oil, and gas. Oil and gas involve the simplest controls, since they can be measured easily and flow is regulated by a control valve in the fuel line.

Can a boiler produce electricity?

The SmartWatt boiler has a power plant inside. The unit not only gives off heat, but it can generate electricity for less money and with fewer emissions than buying juice from the grid, its creators say. … Cogeneration, or combined heat and power, has been done before.

How does a boiler operate?

During operation, a valve connected to your boiler opens and gas enters into a sealed combustion chamber, an electric ignition system or permanent pilot then ignites to burn this fuel. Hot jets that are linked to a heat exchanger within the boiler transfer heat to the water that flows over the exchanger.

Why boiler is used in industry?

The function of a boiler is to either produce hot water or steam. Hot water boilers heat water for the purpose of domestic or commercial heating and hot water supply. Steam boilers generate steam in order to power turbines for power generation and various other industrial heating applications.

What is economizer in boiler?

Economizers are heat exchangers that transfer the heat in the flue gas to another medium‚ generally the boiler feed-water‚ although other streams are sometimes used such as make-up water. There are 2 types of economizers: non-condensing and condensing.

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