### Plant Engineering

2001-9-6u2002·u2002The calculations for the figures in Table 1 assume that only 10 boiler horsepower (bhp) is needed for process heating and the central boiler has a nominal 150 bhp rating. This is the energy output of the boiler at rated capacity, and one bhp is equivalent to 34.5 pounds of steam per hour or 33,446 Btu/hour (mean) at 212 ° F and higher.

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