Fossil fuel power station (UEB uncontracted)

By: Rnib

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Synopsis: This is a labelled cross section diagram of a fossil fuel power station, showing the process of producing electrical power from fossil fuels such coal, coke, gas and oil, and also wood and bio fuels (oils and gases from plant sources). There is a locator dot shown, which will be at the top left of the page when the image is the correct way up. The image is surrounded by a dashed line image border. The diagram is in four main sections. From left to right these are: the boiler, the steam turbine, the generator and the cooling tower. The fuel comes into the boiler on the left of the page through a pipe and is burnt to create a high temperature inside the boiler. To the right is the steam turbine. A pipe carries water from the bottom of the turbine enclosure to the left, into a heat exchanger in the boiler, where it is heated to create steam at high pressure. This travels to the right through a pipe to rotate the turbine blades at high speed. To the right, a generator, driven by the rotation of the turbine produces an alternating electric current, which is fed into the national electricity grid. To the right of the generator you can find a cooling tower. Hot water from a condenser in the turbine housing is pumped to water jets in the cooling tower and sprayed into a tank to cool. The cold water is then pumped back to the condenser in the turbine housing to condense the steam from the turbine.

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