Operational manner null of the compressed porous membrane boiler system and the generation of electricity system and the compressed porous membrane boiler system which possess this

摘要

PROBLEM TO BE SOLVED: To provide a pressurized fluidized bed boiler system maintaining the height of a fluidized bed inside a furnace, a power generation system equipped with the pressurized fluidized bed boiler system and an operating method of the pressurized fluidized bed boiler system.;SOLUTION: The pressurized fluidized bed boiler system is provided with a pressurized fluidized bed boiler 20 in which the height of a bed material 61 forming the fluidized bed 60 is increased/decreased based on a ratio (L/C) of limestone to coal in fuel comprising coal, limestone and water and the bed material 61 can be extracted from a furnace bottom; a fuel supply means 40 manufacturing the fuel and supplying the fuel to the pressurized fluidized bed boiler 20; and a calculating means measuring measurement displacement of the height of the bed material 61 of the pressurized fluidized bed boiler 20 per unit time, calculating increase/decrease amount of the bed material 61 after predetermined time passes based on the measurement displacement, and calculating the L/C so that predicted increase/decrease amount which is a difference between the calculated increase/decrease amount and extract amount of the bed material 61 extracted from the pressurized fluidized bed boiler 20 becomes a predetermined value or less.;COPYRIGHT: (C)2009,JPO&INPIT