INSTALLATION FOR GENERATION OF THERMAL AND MECHANICAL ENERGY AND METHOD OF ITS OPERATION Russian patent published in 2025 - IPC F02C3/00 F28B5/00 F28B7/00 B01D5/00 

FIELD: heat power engineering.

SUBSTANCE: invention relates to the field of heat power engineering, namely to methods and installations for environmentally friendly generation of mechanical and thermal energy. Installation for generation of thermal and mechanical energy, consisting of combustion chamber (7) connected to steam-gas turbine (12), line (20) for supplying carbon dioxide to combustion chamber (7), recuperative exhaust gas coolers (22, 11), carbon dioxide condenser (3) connected to refrigerating unit (28), an oxygen source and a liquefied natural gas (LNG) source, connected by oxygen and LNG supply lines (8, 10) to combustion chamber (7) through the cold recovery heat exchangers (16, 17), located in the carbon dioxide condenser (3), and heat exchangers (9) for heating oxygen and LNG, contact heat exchangers (15, 19) of low and high pressure, connected to compressor (18), carbon dioxide heater (21), wherein includes second combustion chamber (1) connected to LNG source by LNG supply line (10) through heat exchanger (17) of carbon dioxide condenser (3) and LNG heating heat exchanger (9), wherein second combustion chamber (1) is connected by uncondensed gases discharge line to carbon dioxide condenser (3), also output of steam-gas turbine (12) is connected to input of second combustion chamber (1), output of which is connected to carbon dioxide condenser (3) in series through recuperative coolers (22, 11) of exhaust gases, contact heat exchanger (15) of low pressure, compressor (18) and contact heat exchanger (19) of high pressure. Also disclosed is a method of operating an installation for generating thermal and mechanical energy.

EFFECT: increased efficiency of the installation, reduced oxygen consumption, as well as improved environmental performance of the installation.

7 cl, 1 dwg