Device layout in accordance with the process and equipment types are divided into heated reaction zone, fractionation zone, pump frame area and auxiliary production area (operating room, power distribution room, etc.). Are arranged furnace, reactors, distillation columns, fractionation tower and pumping station frame decompression, the production area is arranged next to the operating room and a power distribution room. Means a total area of ​​30 m × 50 m.