METHOD FOR CONTROLLING FLUIDIZED BED GASIFICATION FURNACE FOR GASIFICATION PLANT AND CONTROLLING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an automated method for controlling a fluidized bed gasification furnace for a gasification plant capable of easily performing a stable operation even by using waste materials as raw materials, and a device for the same. SOLUTION: This fluidized bed gasification furnace for the gasification plant is equipped with a fluidized bed gasification furnace 4 for thermally cracking the raw materials on the fluidized bed and a high temperature gasification furnace 7 for gas- reforming the thermally cracked gas delivered from the fluidized bed gasification furnace 4 at a high temperature to make a product gas. The flowing amount of the product gas synthesized by the process is regulated in a set flowing amount set previously by installing a raw material feeding amount-controlling process for controlling the amount of the raw materials into the fluidized bed gasification furnace 4 so that the flowing amount of the product gas synthesized by the process becomes the set flowing amount set previously, and a furnace bed temperature-controlling process for setting the furnace bed temperature necessary for the gasification of the raw material by thermal cracking on the fluidized bed and controlling the flowing amount of oxygen blown into the furnace bed fed to the fluidized bed gasification furnace 4 so that the bed temperature becomes the set furnace bed temperature.