Hydrogen/ammonia mixed combustion system, mixed combustion control device, and mixed combustion control method

A mixed combustion control device, wherein

• in a mixed combustion system including a combustion device configured to mix and combust hydrogen or ammonia and fossil fuel, and an exhaust gas after-treatment device configured to treat exhaust gas of the combustion device, the mixed combustion control device determines a mixed combustion ratio between the hydrogen or ammonia and the fossil fuel that are combusted by the combustion device and controls the combustion by the combustion device such that at least one among an energy efficiency, an energy cost, and a carbon dioxide recovery efficiency is optimized,
• the exhaust gas after-treatment device includes a carbon dioxide recovery device, and
• the mixed combustion control device determines the mixed combustion ratio using at least one among
• a trained machine learning model for energy efficiency optimization control that is machine-trained to output the mixed combustion ratio for optimizing the energy efficiency when an input is a plurality of operating data acquired by the mixed combustion system and an output is the mixed combustion ratio,
• a trained machine learning model for energy cost optimization control that is machine-trained to output the mixed combustion ratio for optimizing the energy cost when an input is a plurality of operating data acquired by the mixed combustion system and an output is the mixed combustion ratio, and
• a trained machine learning model for carbon dioxide recovery efficiency optimization control that is machine-trained to output the mixed combustion ratio for optimizing the carbon dioxide recovery efficiency of the carbon dioxide recovery device when an input is a plurality of operating data acquired by the mixed combustion system and an output is the mixed combustion ratio.

A mixed combustion control method performed in a mixed combustion system including a combustion device configured to mix and combust hydrogen or ammonia and fossil fuel, and an exhaust gas after-treatment device configured to treat exhaust gas of the combustion device, the method comprising:

• determining a mixed combustion ratio between the hydrogen or ammonia and the fossil fuel that are combusted by the combustion device and controlling the combustion by the combustion device such that at least one among an energy efficiency, an energy cost, and a carbon dioxide recovery efficiency is optimized, wherein
• the exhaust gas after-treatment device includes a carbon dioxide recovery device, and
• the determining the mixed combustion ratio includes determining the mixed combustion ratio using at least one among
• a trained machine learning model for energy efficiency optimization control that is machine-trained to output the mixed combustion ratio for optimizing the energy efficiency when an input is a plurality of operating data acquired by the mixed combustion system and an output is the mixed combustion ratio,
• a trained machine learning model for energy cost optimization control that is machine-trained to output the mixed combustion ratio for optimizing the energy cost when an input is a plurality of operating data acquired by the mixed combustion system and an output is the mixed combustion ratio, and
• a trained machine learning model for carbon dioxide recovery efficiency optimization control that is machine-trained to output the mixed combustion ratio for optimizing the carbon dioxide recovery efficiency of the carbon dioxide recovery device when an input is a plurality of operating data acquired by the mixed combustion system and an output is the mixed combustion ratio.