Through major developments by mechanical engineers, after the Industrial Revolution the steam engine began to be used in many industrial settings.
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This creative technical centre for much of the British economy was born by interactions between companies, to reduce the amount of research time and expense. The technological advances of the Industrial Revolution happened quickly because firms often shared information, which they then could use to create new techniques or products.
First steam engine application
The first engine had been used in mines to pump water from deep workings. Constructed and patented in London by Thomas Savery, it was called the “Miner’s Friend”. Early versions used a soldered copper boiler which burst easily at low steam pressures. Later versions with iron boiler were capable of raising water about 46 meters. The steam once admitted into the cylinder was first condensed by an external cold water spray, thus creating a partial vacuum which drew water up through a pipe from a lower level; then valves were opened and closed and a fresh charge of steam applied directly on to the surface of the water. The engine was not a success since it was limited in pumping height and prone to boiler explosions.
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Newcomen introduced the first practical mechanical steam engine, that opened up a great expansion in coal mining by allowing mines to go deeper. Reliable and easy to maintain, this engine had spread to France, Germany, Austria, Hungary and Sweden. With the close collaboration of Matthew Boulton, James Watt incorporated a series of radical improvements which increased engine efficiency by a factor of about five, saving 75% on coal costs. The total power that could be produced by their engines was still only a small fraction of the total power generating capacity in Britain by waterwheels and by windmills; however, water and wind power were seasonably variable.
Increasing the power
After the expiration of the Boulton & Watt patent in 1800, the steam engine underwent great increases in power due to the use of higher pressure steam. The development of machine tools, such as the lathe, planing and shaping machines powered by these engines, enabled all the metal parts of the engines to be easily and accurately cut and in turn made it possible to build larger and more powerful engines. The high efficiency Cornish engine was developed in the 1810s for pumping mines in Cornwall. It was the result of using the exhaust of a high pressure engine to power a condensing engine. It became a prevalent model for stationary engines in the industrial sector, was used for pumping the waterways of Pawtucket (Rhode Island) and played an essential role in the expansion of the railroad.
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Blast bellows, steamboats and trains
Steam engines were too powerful for leather bellows, so cast iron blowing cylinders were developed for powering blast bellows. Steam powered blast furnaces achieved higher temperatures, allowing the use of more lime in iron blast furnace feed. Coal and coke were cheap and abundant fuel.
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Following the advent of the steamboat, the United States saw an incredible growth in the transportation of goods and people, which was key in westward expansion. The economic benefits of the steamboat extended far beyond the construction of the ships themselves, and the goods they transported. These ships led directly to growth in the coal and insurance industries, along with creating demand for repair facilities along the rivers.
Trains could deliver large amounts of goods and raw materials to places far away at a fraction of the cost traveling by wagon. Railroad tracks became the new means of transportation after the first locomotive was invented.