Prediction method and device for urea hydrolysis ammonia preparation reaction conditions

The invention discloses a prediction method and device for urea hydrolysis ammonia production reaction conditions, and the method comprises the steps: determining a target independent variable in a preset unit steady-state stage ammonia demand prediction model in response to a condition prediction instruction; real-time values of the target independent variables are obtained, all the real-time values are input into the unit steady-state stage ammonia demand prediction model, and the target ammonia demand is obtained; according to a urea hydrolysis chemical reaction formula, in combination with a reaction kinetic equation and an Arrhenius theory, a urea hydrolysis ammonia preparation reaction rate equation is determined; a reaction volume is obtained, and an ammonia production kinetic model is obtained through calculation based on a urea hydrolysis ammonia production reaction rate equation; and inputting the target ammonia demand into the ammonia production kinetic model, and outputting urea hydrolysis ammonia