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Blowing engine
Device which provides forced air to smelters / From Wikipedia, the free encyclopedia
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A blowing engine is a large stationary steam engine or internal combustion engine directly coupled to air pumping cylinders. They deliver a very large quantity of air at a pressure lower than an air compressor, but greater than a centrifugal fan.
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Blowing engines are majorly used to provide the air blast for furnaces, blast furnaces and other forms of smelter.