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    • 2. 发明公开
    • RAW MATERIAL CONVEYANCING BUCKET, PRE-HEATING DEVICE, MELTING EQUIPMENT, AND OPERATION METHOD FOR MELTING EQUIPMENT
    • FÖRDEREIMERFÜRROHMATERIAL,VORWÄRMVORRICHTUNG,SCHMELZANLAGE UND BETRIEBSVERFAHRENFÜRSCHMELZANLAGE
    • EP3106812A4
    • 2017-08-30
    • EP14882209
    • 2014-12-09
    • JP STEEL PLANTECH CO
    • KATO HIROTAKESATO YASUHIRONISHINO AKIOSEKIGUCHI TAKESHIMORITA AKIHIKOAO NORIO
    • F27D3/00C21C5/52F27B3/08F27B3/18F27D13/00F27D17/00
    • F27B3/19C21C5/527C21C5/565C21C2005/5282F27B3/18F27D11/02Y02P10/216
    • A material conveying bucket (4) for conveying raw material to be melted in a furnace (3) to a preheater (2) for preheating the raw material before melted in the furnace (3) by heat generated in the furnace (3), with the bucket (4) hung by a crane, includes: a container portion (60) having a raw material-containing container portion (60) having an upper and bottom opening, a top cover (62) for opening/closing the upper opening, and a bottom lid (63) for opening/closing the bottom opening; a handle portion (70) to be hung by the crane; and a link mechanism (80) connected to the top cover (62) and the bottom lid (63), connecting the handle portion (70) relatively movably to the container portion (60), and having a function of opening/closing the top cover (62) and the bottom lid (63) by a first and second relative movement of the handle portion (70) relative to the container portion (60), respectively, the second relative movement being different in direction from the first relative movement.
    • 1。一种物料输送斗(4),用于将炉(3)中待熔化的原料输送到预热器(2)中,用于在炉(3)中产生的热量下熔化在炉(3)中之前预热原料, 其特征在于,由起重机吊挂的铲斗(4)包括:容器部(60),该容器部(60)具有:具有上下开口的含有原料的容器部(60);打开/关闭上部开口的上盖(62) 和底盖(63),用于打开/关闭底部开口; 把手部分(70)由起重机悬挂; 以及连接到顶盖(62)和底盖(63)的连杆机构(80),其将手柄部分(70)相对可移动地连接到容器部分(60),并具有打开/关闭顶盖 通过所述手柄部分(70)相对于所述容器部分(60)的第一相对运动和第二相对运动,将所述盖(62)和所述底盖(63)分开,所述第二相对运动与所述第一相对运动的方向不同。
    • 7. 发明公开
    • MOLTEN METAL PRODUCING DEVICE
    • 设备技术生产熔融金属
    • EP2487265A4
    • 2016-01-13
    • EP10822142
    • 2010-10-08
    • KOBE STEEL LTD
    • TETSUMOTO MASAHIKO
    • C21B13/10C21B13/02C21B13/12F27B3/02F27B3/08F27B3/18F27B3/20F27B3/22F27D7/02F27D11/08
    • F27B3/08C21B13/026C21B13/10C21B13/12F27B3/18F27B3/205
    • Disclosed is a production device of which secondary combustion efficiency can be further improved when a molten metal is produced by directly reducing and melting a metal agglomerate raw material layer in an electric heating furnace. Specifically, material charging chutes (4, 4) are disposed at either end portion (2, 2) of a furnace in the width direction of the furnace. Electrodes (5) are disposed in a central region in the furnace width direction. Secondary combustion burners (6) are disposed in an upper portion (1) of the furnace having stepped portions descending from both end portions (2, 2) in the furnace width direction to the electrodes (5). Raw material layers (12) each having a downslope inclined to lower portions of the electrodes (5) are formed in advance by charging a carbonaceous material (A) from the chutes (4, 4), and metal agglomerate raw material layers (13) are formed on the slopes of the raw material layers (12) by charging metal agglomerate raw material (B). Molten iron is produced by sequentially melting lower end portions of the metal agglomerate raw material layers (13) by arc heating at the electrodes (5). At the same time, an oxygen containing gas (C) is blown from the secondary combustion burners (6) so as to cause the combustion of a CO containing gas generated from the metal agglomerate raw material layers (13) while the metal agglomerate raw material layers (13) descend along the slopes of the raw material layers (12), and the metal agglomerate raw material layers (13) are heated by the radiant heat of the combustion.