Large waste heat recovery control system

The invention discloses a large waste heat recovery control system, which belongs to the technical field of boiler waste heat recovery and comprises a recovery detection module, a recovery analysis module and a control module. The recovery detection module is used for detecting and analyzing the applied waste heat recoverer to obtain equipment recovery data; the recovery analysis module is used for performing control analysis based on the equipment recovery data and setting corresponding control adjustment data according to the equipment recovery data; the control module is used for carrying out waste heat recovery control, acquiring control adjustment data, identifying a discharge control curve and a self-cleaning control curve in the control adjustment data, collecting discharge data of a boiler and operation data of a waterway pipeline in real time, inputting the discharge data into the discharge control curve in real time, matching a corresponding water body flow rate, and outputting the water body flow r