Patent ID: 7871559
Filing Date: 2011-01-18
Classification: F27D

Abstract:
1. An inspection hole structure for a flash smelting furnace which is installed in a reaction shaft ceiling of the flash smelting furnace, and forms a furnace inspection hole, comprising: a lower-stage water-cooling jacket in a form of a single chamber having an opening at the center; an upper-stage water-cooling jacket in a form of a single chamber, which is connected integrally to an upper part of said lower-stage water-cooling jacket and forms said inspection hole at the center in cooperation with said lower-stage water-cooling jacket; and a bottom cover water-cooling jacket provided in said lower-stage water-cooling jacket to open or close said opening of said lower-stage water-cooling jacket, wherein the lower-stage water-cooling jacket and the upper-stage water-cooling jacket are not fluidly connected; and wherein the lower-stage water-cooling jacket and the upper-stage water-cooling jacket are serially positioned along a longitudinal direction of the inspection hole.