PULVERIZED COAL BOILER AND ITS OPERATING METHOD

摘要

PROBLEM TO BE SOLVED: To effectively utilize the combustion heat generated at the time of melting burned ash into molten slag by an ash melting furnace. SOLUTION: The combustion heat of the exhaust gas 20A generated at the time of burning burned ash by an ash melting furnace 12 is utilized to warm the feed water 22A of a furnace 1, and the exhaust gas 20A is finally fed to the furnace 1.