The disclosure provides a coal conveying control system and method for a thermal power plant. The system includes: a model prediction module, used for building an operating load prediction model, and obtaining a boiler operating load optimal value; a load calculation module, used for drawing an operating load difference value curve, and determining a boiler coal consumption change amount; a speed control module, used for determining a coal conveying amount of a coal conveying system, and controlling operating speed of a coal conveying belt according to the coal conveying amount; a quality calculation module, used for calculating boiler operating efficiency, and determining a coal quality parameter according to the boiler operating efficiency; a fineness control module, used for determining a coal particle parameter, setting target coal particle fineness according to the coal particle parameter, and controlling a screening and crushing device according to the target coal particle fineness.

The disclosure provides a coal conveying control system and method for a thermal power plant. The system includes: a model prediction module, used for building an operating load prediction model, and obtaining a boiler operating load optimal value; a load calculation module, used for drawing an operating load difference value curve, and determining a boiler coal consumption change amount; a speed control module, used for determining a coal conveying amount of a coal conveying system, and controlling operating speed of a coal conveying belt according to the coal conveying amount; a quality calculation module, used for calculating boiler operating efficiency, and determining a coal quality parameter according to the boiler operating efficiency; a fineness control module, used for determining a coal particle parameter, setting target coal particle fineness according to the coal particle parameter, and controlling a screening and crushing device according to the target coal particle fineness.