Method for optimizing demand response model based on polycrystalline silicon production task time sequence

The invention relates to the field of power grids, and particularly discloses a method for optimizing a demand response model based on a polycrystalline silicon production task time sequence, which considers process limitation and production requirements in a polycrystalline silicon production process, establishes a polycrystalline silicon production process model, and realizes the purpose of minimizing the power purchase cost of an enterprise by adjusting the start-stop time of each task. According to the strategy, aiming at an improved Siemens method polycrystalline silicon production process, interaction relations among processes, materials and equipment are analyzed, an economic dispatching model considering a polycrystalline silicon factory production process is established by using a state task network method, and peak shifting and peak avoiding production and participation in power grid demand response are realized on the premise that normal production of enterprises is not influenced as far as possibl