LOW-ENTROPY MIXED COMBUSTION CIRCULATING THERMAL POWER SYSTEM

摘要

A low-entropy mixed combustion circulating thermal power system includes a working mechanism (1), a combustion chamber (2), an oxygen source (3), a fuel source (4) and an expansion agent source (5). The oxygen source (3) is communicated with the combustion chamber (2) through an oxygen high-pressure supply system (301), the fuel source (4) is communicated with the combustion chamber (2) through a fuel high-pressure supply system (401) and the expansion agent source (5) is communicated with the combustion chamber (2) through an expansion agent high-pressure supply system (501). An oxygen heat absorption heat exchanger (3011) is arranged in the oxygen high-pressure supply system (301) and the oxygen in the oxygen source (3) absorbs heat in the oxygen heat absorption heat exchanger (3011) to form a high-pressure gaseous oxygen. Then the high-pressure gaseous oxygen enters into the combustion chamber (2). An expansion agent heat absorption heat exchanger (5011) is arranged in the expansion agent high-pressure supply system (501) and the expansion agent in the expansion agent source (5) absorbs heat in the expansion agent heat absorption heat exchanger (5011) to form a high-pressure gaseous expansion agent. Then high-pressure gaseous expansion agent enters into the combustion chamber (2). The minimal pressure bearing capability of the oxygen high-pressure supply system (301) is greater than or equal to 2MPa, and the combustion chamber (2) is connected with the working mechanism (1) outputting power. The low-entropy mixed combustion circulating thermal power system realizes high efficiency, energy saving and low emission.