Fuel and emissions reduction power plant design using Oxygen for combustion and flue gas recirculation to minimize Carbon Dioxide and NOx emissions

Inactive Publication Date: 2007-11-01
FISHER ROBERT GEORGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The rest of the air is basically parasitic in that it goes along for the ride with the heating process and requires a considerable portion of the heat output from the fuel combustion to raise the Nitrogen to the same temperature as the rest of the gases in the boiler.

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  • Fuel and emissions reduction power plant design using Oxygen for combustion and flue gas recirculation to minimize Carbon Dioxide and NOx emissions
  • Fuel and emissions reduction power plant design using Oxygen for combustion and flue gas recirculation to minimize Carbon Dioxide and NOx emissions

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[0007] The primary difference with this patent proposal is to return a regulated portion of the hot flue gas to the combustion air inlet where new fuel and commercially concentrated Oxygen are inputted thru separate pipes and burned, bringing the mixture up to the needed temperature to transfer more heat energy in to the steam or process generating system.

[0008] Enhanced combustion efficiency and reduction in NOx and Carbon Dioxide emissions thru a combined process of direct Oxygen feed for the combustion of the Carbon based fuel in place of the conventional atmospheric air supplied as the source of Oxygen, recirculation of the boiler or other heat / power generation device flue or discharge gases to provide a reheat capability volume and eliminate the introduction of atmospheric air which contains nearly 78 percent Nitrogen.

[0009] The presence of the large amount of Nitrogen that comes with air breathing furnaces combined with the high temperatures of the boiler or other heating de...

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Abstract

Power / process boiler modifications to use direct Oxygen input to burn the Carbon based fuel in a Nitrogen deficient atmosphere created by flue gas recirculation. This will result in a substantial reduction in fuel consumption and less Carbon Dioxide plus a near elimination of NOx in the flue exhaust released to the atmosphere. Both substances contribute to the Greenhouse effect and Global Warming and widespread use of his concept would help to reduce Global Warming and also reduce the usage and depletion of Carbon based fuels.

Description

[0001] This application claims the benefit of PPA Ser. No. 60 / 796,124. confirmation NO. 2274 filed Apr. 27, 2006 by the present inventor. FEDERALLY SPONSORED RESEARCH [0002] Not applicable BACKGROUND OF THE INVENTION [0003] Conventional and existing fuel fired boilers and process heating devices typically use atmospheric air as the source of Oxygen necessary for the combustion. Approximately 19 percent of the atmospheric air is elemental Oxygen and the major portion of the rest is elemental Nitrogen. The part of the atmospheric air we really need for the combustion process is the Oxygen. The rest of the air is basically parasitic in that it goes along for the ride with the heating process and requires a considerable portion of the heat output from the fuel combustion to raise the Nitrogen to the same temperature as the rest of the gases in the boiler. [0004] After the combined hot gases have imported a portion of their energy to the steam or other process, the gases exit the boiler ...

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Application Information

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IPC IPC(8): F23J15/00
CPCF23C9/00F23C2900/09002Y02E20/344F23L7/007F23J2215/50Y02E20/34
InventorFISHER, ROBERT GEORGE
OwnerFISHER ROBERT GEORGE