Oxy boiler power plant oxygen feed system heat integration
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United States of America Patent
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Feb 12, 2019
Grant Date -
Nov 12, 2015
app pub date -
May 8, 2015
filing date -
May 8, 2014
priority date (Note) -
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Abstract
A coal fired oxy boiler power plant is disclosed in which a steam coil oxygen preheater located on an oxygen line Air Separation Unit is thermally integrated with the condensate system. Thermal energy for the steam coil oxygen preheater is provided via an extraction line connected to a steam extraction port of an intermediate pressure steam turbine. A drain line of the steam coil oxygen preheater fluidly connects the steam coil oxygen preheater to a point of the Rankine steam cycle fluidly within the condensate system.
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