Control system and method for recycling production waste

The invention relates to the technical field of waste recovery, in particular to a control system and method for recycling production waste, and the system comprises a reaction kettle in which compound fertilizer production waste is placed; the detection unit is used for detecting the content of each substance in the compound fertilizer production waste in real time; the first treatment unit is used for adding water into the reaction kettle to obtain a mixed material; the second treatment unit is used for performing steam heating on the compound fertilizer production waste in the reaction kettle; the fan unit is used for exhausting air in the reaction kettle; the stirring unit is used for stirring mixed materials in the reaction kettle; the third treatment unit is used for adding phosphoric acid into the mixing tank; the control unit is used for controlling the amount of water added into the reaction kettle and controlling the steam heating time of the compound fertilizer production waste in the reaction kett