Preparation method of graphite polystyrene board

The invention discloses a graphite polystyrene board preparation method, and belongs to the technical field of graphite polystyrene board preparation, and the graphite polystyrene board preparation method comprises the following steps: S1, searching data; s2, analyzing the data, and determining optimal preparation parameters; s3, preparing an instrument; s4, assembling; s5, preparing raw materials; s6, high-temperature foaming; s7, standing and curing; s8, performing granulation; s9, performing secondary high-temperature foaming and pressurizing to form a graphite polystyrene board semi-finished product; s10, standing and cooling; s11, cutting to form a graphite polystyrene board finished product; the graphite expandable polystyrene is heated by the high-temperature steam generated by the steam boiler, so that the graphite expandable polystyrene can be sucked by the steam extraction pump and discharged out of the foaming machine after being expanded and foamed, and the problem of condensation of the high-temp