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Combustion system for hybrid solar fossil fuel receiver

United States Patent

May 25, 2004
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A combustion system for a hybrid solar receiver comprises a pre-mixer which combines air and fuel to form an air-fuel mixture. The mixture is introduced tangentially into a cooling jacket. A burner plenum is fluidically connected to the cooling jacket such that the burner plenum and the cooling jacket are arranged in thermal contact with one another. The air-fuel mixture flows through the cooling jacket cooling the burner plenum to reduce pre-ignition of the air-fuel mixture in the burner plenum. A combustion chamber is operatively associated with and open to the burner plenum to receive the air-fuel mixture from the burner plenum. An igniter is operatively positioned in the combustion chamber to combust the air-fuel mixture, releasing heat. A recuperator is operatively associated with the burner plenum and the combustion chamber and pre-heats the air-fuel mixture in the burner plenum with heat from the combustion chamber. A heat-exchanger is operatively associated and in thermal contact with the combustion chamber. The heat-exchanger provides heat for the hybrid solar receiver.
Mehos; Mark S. (Boulder, CO), Anselmo; Kenneth M. (Arvada, CO), Moreno; James B. (Albuquerque, NM), Andraka; Charles E. (Albuquerque, NM), Rawlinson; K. Scott (Albuquerque, NM), Corey; John (Melrose, NY), Bohn; Mark S. (Golden, CO)
Midwest Research Institute (Kansas City, MO)
10/ 301,982
November 22, 2002
CONTRACTUAL ORIGIN OF THE INVENTION The United States Government has rights in this invention pursuant to Contract No. DE-AC36-99GO10337 between the United States Department of Energy and the Midwest Research Institute, and pursuant to DOE Contract No. DE-AC04-94AL85000 with Sandia National Laboratories.