Ammonia fuel combined cycle power generation system

• Main Authors: LIAO ZHONGYU, SHI KENIAN, JIA JUN, ZHANG HUAYONG, WEI YANXUN
• Format: Patent
• Language: Chinese; English
• Published: 19.07.2024
• Subjects: AIR INTAKES FOR JET-PROPULSION PLANTS; BLASTING; CHEMISTRY; COMBUSTION APPARATUS; COMBUSTION ENGINES; COMBUSTION PROCESSES; COMPOUNDS THEREOF; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS; ENGINE PLANTS IN GENERAL; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES; FLUES; GAS-TURBINE PLANTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INORGANIC CHEMISTRY; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; METALLURGY; NON-METALLIC ELEMENTS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES; SEPARATION; STEAM ACCUMULATORS; STEAM ENGINE PLANTS; STEAM ENGINES; TRANSPORTING; WEAPONS

The utility model relates to an ammonia fuel combined cycle power generation system. The system comprises a fuel gas circulation mechanism, a steam circulation mechanism, a liquid ammonia cold energy utilization mechanism and a fuel gas exhaust treatment mechanism. The gas circulation mechanism is used for evaporating and fully combusting ammonia gas and pushing the gas turbine to do work for power generation; the steam circulating mechanism is used for evaporating boiler feed water into steam to push the steam turbine to do work and then drive the generator to generate electricity; the liquid ammonia cold energy utilization mechanism is used for receiving liquid ammonia cold energy; and the fuel gas exhaust treatment mechanism is used for fuel gas exhaust denitration, ammonia recovery and emptying. Compared with the prior art, the system provided by the utility model cools air and exhaust steam of the steam turbine by utilizing the cold energy of liquid ammonia evaporation, reduces the compression energy con