METHOD AND APPARATUS FOR PRODUCING WATER-GRANULATED SLAG

摘要

PROBLEM TO BE SOLVED: To improve production efficiency of water-granulated slag without increasing the area of a screen that makes up an Invar filter.SOLUTION: An apparatus 170 for producing water-granulated slag comprises a plurality of water-granulated slag-producing units 200, each of which comprises: a water-granulated slurry-generating part (220) for injecting water into molten slag discharged from a blast furnace body 110 to generate a water-granulated slurry; and an Invar filter (250) for dehydrating the water-granulated slurry to obtain a water-granulated slag. The apparatus for producing water-granulated slag further comprises a delivery means 400 for delivering the water-granulated slurry produced in a water-granulated slurry-generating part of one water-granulated slag-producing unit 200A to the Invar filter 250 of the other water-granulated slag-producing unit 200B.