Abstract: An apparatus and method are provided to remove matte-sticking adhered to an inner surface of an inclined rear jacket of an exhaust gas hood for collecting exhaust gas discharged during the converter operation in copper smelting. Scraping means 10a˜10f are each provided with a scraping part 20 for scraping off matte-sticking by moving slidably across the inner surface of the rear jacket 8 by driving means 11 from a sidewall of the exhaust gas hood to at least over the centerline L of the width of the rear jacket 8. The scraping means are arranged in pairs at both right and left sidewalls of the exhaust gas hood 6 in multiple levels along the inclination of the rear jacket 8, thereby allowing the matte-sticking adhered to the rear jacket 8 to be removed over almost its entire surface.

Abstract: An inspection hole structure 1 forming a furnace inspection hole 2 installed on the reaction shaft ceiling 104 of a flash smelting furnace, comprising a lower-stage water-cooling jacket 3A having an opening 3Aa at the center; an upper-stage water-cooling jacket 3B which is connected integrally to an upper part of said lower-stage water-cooling jacket 3A and forms said inspection hole 2 at the center in cooperation with said lower-stage water-cooling jacket 3A; and a bottom cover water-cooling jacket 4 provided in said lower-stage water-cooling jacket 3A to open or close said opening of said lower-stage water-cooling jacket 3A.

Abstract: A transfer pipe of dried concentrate for transferring dried concentrate, having a double pipe structure, comprising an inner pipe 2 through which the dried concentrate is transferred by compressed air, an outer pipe 3 arranged around the outer periphery of the inner pipe 2, and a joint flange 5 forming an annular space 4 sealed between the inner pipe 2 and the outer pipe 3, arranged at both ends of the inner pipe 2 and the outer pipe 3, and integrally fixing the inner pipe 2 and the outer pipe 3; wherein the inner pipe 2 is positioned inside the outer pipe 3 and is formed of a metal pipe 2a forming the annular space 4, a ceramic sleeve 2c forming an innermost layer of the metal pipe, and a filler 2b for fixing the ceramic sleeve 2c provided between the metal pipe 2a and the ceramic sleeve 2c.

Abstract: A multifunction apparatus performs a printing process when the apparatus succeeds in user authentication upon receiving a print request from a PC. The multifunction apparatus calculates an expected print start time based on past usage data thereof, that is, an elapsed time required in the past from the print request to user authentication. The multifunction apparatus further calculates an expected operation time required for preparations for the printing process, based on an current operation status thereof, such as standby mode, color registration adjustment, and the like; and sets as a delay time a time derived from subtracting the expected operation time from the expected print start time. The multifunction apparatus starts warm-up when the delay time elapses.

Abstract: An inspection hole structure 1 forming a furnace inspection hole 2 installed on the reaction shaft ceiling of a flash smelting furnace, comprising a lower-stage water-cooling jacket 3A having an opening 3Aa at the center; an upper-stage water-cooling jacket 3B which is connected integrally to an upper part of said lower-stage water-cooling jacket 3A and forms said inspection hole 2 at the center in cooperation with said lower-stage water-cooling jacket 3A; and a bottom cover water-cooling jacket 4 provided in said lower-stage water-cooling jacket 3A to open or close said opening of said lower-stage water-cooling jacket 3A.

Abstract: An apparatus and method are provided to remove matte-sticking adhered to an inner surface of an inclined rear jacket of an exhaust gas hood for collecting exhaust gas discharged during the converter operation in copper smelting. Scraping means 10a˜10f are each provided with a scraping part 20 for scraping off matte-sticking by moving slidably across the inner surface of the rear jacket 8 by driving means 11 from a sidewall of the exhaust gas hood to at least over the centerline L of the width of the rear jacket 8. The scraping means are arranged in pairs at both right and left sidewalls of the exhaust gas hood 6 in multiple levels along the inclination of the rear jacket 8, thereby allowing the matte-sticking adhered to the rear jacket 8 to be removed over almost its entire surface.

Abstract: A transfer pipe of dried concentrate for transferring dried concentrate, having a double pipe structure, comprising an inner pipe 2 through which the dried concentrate is transferred by compressed air, an outer pipe arranged around the outer periphery of the inner pipe 2, and a joint flange 5 forming an annular space 4 sealed between the inner pipe 2 and the outer pipe 3, arranged at both ends of the inner pipe 2 and the outer pipe 3, and integrally fixing the inner pipe 2 and the outer pipe 3; wherein the inner pipe 2 is positioned inside the outer pipe and is formed of a metal pipe 2a forming the annular space 4, a ceramic sleeve 2c forming an innermost layer of the metal pipe, and a filler 2b for fixing the ceramic sleeve 2c provided between the metal pipe 2a and the ceramic sleeve 2c.

Abstract: A multifunction apparatus performs a printing process when the apparatus succeeds in user authentication upon receiving a print request from a PC. The multifunction apparatus calculates an expected print start time based on past usage data thereof, that is, an elapsed time required in the past from the print request to user authentication. The multifunction apparatus further calculates an expected operation time required for preparations for the printing process, based on an current operation status thereof, such as standby mode, color registration adjustment, and the like; and sets as a delay time a time derived from subtracting the expected operation time from the expected print start time. The multifunction apparatus starts warm-up when the delay time elapses.

Abstract: A plurality of documents and a plurality of types of classifications are registered on a plurality of hierarchy stages of a hierarchy structure. In each of the documents, a plurality of document files indicating contents of the document is stored in a contents file block, and document attribute information designating one or more document attributes peculiar to the document is stored in a document attribute information file. In each of the types of classifications, classification attribute information designating one or more classification attributes of the type of classification is stored in a classification attribute information file. The classification attributes have no connection with contents of any document.