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Stationary steam engine

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(Redirected from Horizontal steam engine)
A stationary steam engine, preserved at Tower Bridge in London. This is one of two tandem cross-compound hydraulic pumping engines formerly used to raise and lower the bridge.

Stationary steam engines are fixed steam engines used for pumping or driving mills and factories, and for power generation. They are distinct from locomotive engines used on railways, traction engines for heavy steam haulage on roads, steam cars (and other motor vehicles), agricultural engines used for ploughing or threshing, marine engines, and the steam turbines used as the mechanism of power generation for most nuclear power plants.

They were introduced during the 18th century and widely made for the whole of the 19th century and most of the first half of the 20th century, only declining as electricity supply and the internal combustion engine became more widespread.

Types of stationary steam engine

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Double-acting horizontal stationary steam engine. The piston is on the left, the crank is mounted on the flywheel axle on the right.
Mill engine, Queen Street Mill, Burnley. William Roberts horizontal tandem compound engine - 'Peace'.
Marshall undertype steam engine

There are different patterns of stationary steam engines, distinguished by the layout of the cylinders and crankshaft:

  • Beam engines have a rocking beam providing the connection between the vertical cylinder and crankshaft.
  • Table engines have the crosshead above the vertical cylinder and the crankshaft below.
  • Horizontal engines have a horizontal cylinder.
  • Vertical engines have a vertical cylinder.
  • Inclined engines have an inclined cylinder.
  • Undertype engines are distinguished by having a locomotive-style boiler over top of a horizontal engine.

Stationary engines may be classified by secondary characteristics as well:

When stationary engines had multiple cylinders, they could be classified as:

  • Simple engines, with multiple identical cylinders operating on a common crankshaft.
  • Compound engines which use the exhaust from high-pressure cylinders to power low-pressure cylinders.

An engine could be run in simple or condensing mode:

  • Simple mode meant the exhaust gas left the cylinder and passed straight into the atmosphere
  • In condensing mode, the steam was cooled in a separate cylinder, and changed from vapour to liquid water, creating a vacuum that assisted with the motion. This could be done with a water-cooled plate that acted as a heat sink, or pumping-in a spray of water.

Stationary engines may also be classified by their application:

Stationary engines could be classified by the manufacturer

The restored Kittoe and Brotherhood beam engine at Coldharbour, which is steamed up regularly on Bank Holiday weekends.

History

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In order of evolution:

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See also

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References

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Bibliography

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  • Buchanan, R. A., and Watkins, George, The Industrial Archaeology of the Stationary Steam Engine, London, 1976, ISBN 0-7139-0604-9
  • Hills, Richard Leslie (1993). Power from Steam: A History of the Stationary Steam Engine (paperback ed.). Cambridge University Press. p. 244. ISBN 9780521458344. Retrieved 13 May 2009.
  • Roberts, A S (1921). Arthur Robert's Engine List. One guy from Barlick-Book Transcription. Archived from the original on 2011-07-23. Retrieved 2009-01-11. {{cite book}}: |work= ignored (help)
  • Watkins, George, Stationary Steam Engines of Great Britain, Landmark Publishing, various ISBNs
Vol 1, Yorkshire (2000)
Vol 2, Scotland and Northern England (2000)
Vols 3:1, 3:2, Lancashire (2001)
Vol 4, Wales, Cheshire,& Shropshire (2002)
Vol 5, The North Midlands (2002)
Vol 6, The South Midlands (2003)
Vol 7, The South and South West (2003)
Vol 8, Greater London and the South East (2003)
Vol 9, East Anglia & adjacent counties (2004)
Vol 10, Marine Engines (and readers' notes, indexes to the series etc) (2005)

This series reproduces some 1,500 images from the Steam Engine Record made by George Watkins between 1930 and 1980, which is now in the Watkins Collection at English Heritage's National Monuments Record at Swindon, Wilts.

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