Heat exchanger and method for controlling heat exchanger
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United States of America
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Oct 8, 2019
Grant Date -
Jan 11, 2018
app pub date -
Nov 4, 2015
filing date -
Nov 4, 2015
priority date (Note) -
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Abstract
A heat exchanger includes a heat recovery unit that causes a heat medium to recover heat from flue gas through first heat exchange by bringing the flue gas into contact with a fin tube; a reheater including a preheating unit configured to preheat flue gas through second heat exchange by bringing the flue gas into contact with a tube, and heating units that heat the flue gas through third heat exchange by bringing the flue gas into contact with the heat medium; and a control unit that calculates a recovered heat quantity to be recovered by the heat recovery unit from the flue gas through the first heat exchange, and that controls temperature of the heat medium after the first heat exchange within a predetermined range.
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