KOH FLUE GAS RECIRCULATION POWER PLANT WITH WASTE HEAT AND BYPRODUCT RECOVERY
First Claim
1. A process of a KOH flue gas recirculation power plant, wherein the process uses at least one air separation unit, two flue gas recirculation loops, at least one adsorption refrigeration unit, and condensers for combustion temperature control, waste heat recovery, elimination of air pollutants, and production of liquid sulfur dioxide, liquid nitrogen dioxide, and liquid carbon dioxide.
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Abstract
The invention relates to an integrated power plant, which burns fuel using an oxygen-enriched stream in a combustion furnace and converts emissions of air pollutants and carbon dioxide into byproducts. The combustion flue gas stream, after leaving an economizer of a steam generation system, splits into stream A and stream B. Stream A recirculates back to the combustion furnace through the first flue gas recirculation fan for combustion temperature control. Stream B, after passing through a dust collector for fly ash removal, a series of condensers for byproduct recovery, and the second flue gas recirculation fan, mixes with an oxygen-enriched stream from an air separation unit and flows back to the combustion furnace. The plant does not need an exhaust stack and does not discharge combustion flue gases into the atmosphere.
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Citations
11 Claims
- 1. A process of a KOH flue gas recirculation power plant, wherein the process uses at least one air separation unit, two flue gas recirculation loops, at least one adsorption refrigeration unit, and condensers for combustion temperature control, waste heat recovery, elimination of air pollutants, and production of liquid sulfur dioxide, liquid nitrogen dioxide, and liquid carbon dioxide.
Specification