Method for optimizing refinery wastewater biochemical processing unit based on software simulation

The invention discloses a method for optimizing a refinery wastewater biochemical processing unit based on software simulation, which comprises the following steps: a, investigating the refinery wastewater biochemical processing unit to determine the process flow; b, obtaining the sizes and process operation parameters of the structures of each biochemical section; c, obtaining historical inflow water quality data from a laboratory system of a water plant; d, supplementing to measure the inflow and outflow water quality parameters of the process over a period of time, and determining the characterization component parameters of the oily wastewater by component calculation; e, using mathematical software to build a model, inputting the sizes and the process operation parameters of the structures, the characterization component parameters of the oily wastewater, the historical inflow water quality and the water volume to carry out static and dynamic simulation; f, adjusting kinetic parameters and stoichiometric