| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a plant having a configuration by which the plant can be operated so that the thermal efficiency is maximum in response to the operating state of the plant, in the gasification compound power generation plant. SOLUTION: In a gasification compound power generation plant which is provided with a compressor 15, a mechanism for extracting a part of discharge air from the compressor, a gas turbine 5 having a combustor 14 for supplying the compressordischarge air, nitrogen and fuel, and burning them, and a turbine 16, an oxygen manufacturing facility 1, a gasification device for generating flammable gas from coal, etc., using oxygen, or a mixture of oxygen and air, and a heat exchanger 9 for heat-exchanging the air extracted from the compressor 15 for nitrogen separated at the oxygen manufacturing facility 1, and which supplies the gas turbine combustor 14 with nitrogen after heat exchange, and flammable gas, equipment 17 for controlling the extracted air quantity so that the thermal efficiency is maximum in response to the state of the gasification compound power generation plant, is provided.</p> |
