Vertical tube natural circulation evaporators

Bradley N. Jackson,    Nooter/Eriksen Inc., Fenton, MO, United States


Vertical tube, natural circulation evaporator designs have been the go-to technology in the combined cycle power industry for decades. They are reliable, easy to construct, and have a high turndown ratio. They do not require heavy duty circulating pumps and thus avoid the operating and maintenance costs associated with such pumps. The use of vertical tube, natural circulation evaporators also increases the operating flexibility of a power plant.


Flow accelerated corrosion; water chemistry; evaporator; continuous blowdown; circulation; steam drum

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