Aug 25, 2020 · Babcock and Wilcox Boiler is a horizontal, externally fired, water tube, natural circulation boiler. This boiler is named after the persons who discovered it. It was discovered by Herman Babcock and Stephen Wilcox in 1967. This boiler is called natural circulation boiler because the circulation of water in the boiler is maintained by convective
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Typically the pressure drop for a natural circulation boiler is about 5-10 % of the steam pressure in the steam drum and the maximum steam temperature varies from 540 to 560 °C. Natural circulation principle The water/steam circulation begins from the feed water tank, from where feed Superheaters water is pumped.
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