Mobile discharge device for powder and granular material storage silo and powder and granular material storage silo

摘要

A mobile discharge device for a powder and granular material storage silo (1) is provided with: a travel body (10) which travels along a groove (103) provided on a lower part of a storage silo (101); a scraping device (20) which moves integrally with the travel body (10) and has blades (21) rotating above the groove (103) to scrape up coals (106) in the storage silo (101) and scrape out the same to the groove (103); and a groove covering mechanism (50) which covers a predetermined range of the groove (103) in a range of a rotation locus of the blades (21), and the discharge device (1) is capable of suppressing change in the discharge amount of the coals (106) discharged from the powder and granular material storage silo (101) with the blades (21).