2023•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Open access

Recover Heat from Boiler Blowdown - Steam Tip Sheet #10

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Abstract

Heat can be recovered from boiler blowdown by using a heat exchanger to preheat boiler makeup water. Any boiler with continuous blowdown exceeding 5% of the steam rate is a good candidate for the introduction of blowdown waste heat recovery. Larger energy savings occur with high-pressure boilers. This revised AMO tip sheet on recovering heat from boiler blowdown provides how-to advice for improving industrial steam systems using low-cost, proven practices and technologies.

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Key concepts: Boiler blowdown, Boiler (water heating), Flash boiler, Steam drum, Environmental science, Waste management, Engineering, Superheated steam