Boiler overall coordination real-time intelligent optimization system and method of thermal power generating unit

The invention discloses a boiler overall coordination real-time intelligent optimization system of a thermal power generating unit. The boiler overall coordination real-time intelligent optimization system comprises a boiler combustion intelligent combustion subsystem, a hearth combustion state three-dimensional real-time monitoring subsystem and a multi-coal deep blending overall optimization subsystem. The boiler combustion intelligent combustion subsystem comprises a data acquisition module, a particle swarm multi-objective optimization module and a Bayesian network combustion process model establishment module; the three-dimensional real-time monitoring subsystem for the combustion state of the hearth comprises a non-contact temperature measurement module, a visual reconstruction algorithm module, a CFD numerical simulation module and a real-time three-dimensional monitoring and display module for the combustion state of the hearth; the multi-coal deep blending overall optimization subsystem comprises a c