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    • 6. 发明授权
    • Electric arc furnace with scrap diverting panel and associated methods
    • 电弧炉与废料转向面板及相关方法
    • US5936995A
    • 1999-08-10
    • US969853
    • 1997-11-14
    • Terry J. SullivanManfred Haissig
    • Terry J. SullivanManfred Haissig
    • F27B3/18F27B3/20F27B3/22F27B3/24F27D3/15F27D99/00F27D1/02
    • F27B3/186F27B3/24F27B3/205F27B3/225F27D2099/0095F27D3/1545
    • An electric arc furnace includes a melting vessel having a top opening and an inside wall surface. A removable roof is positioned over the top opening and can be removed for permitting the charging of scrap into the melting vessel. An electrode extends through the roof into the melting vessel. A slag door portion defines a slag discharge opening discharged from the melting furnace. An arcuate configured water-cooled panel includes opposing upper and lower ends and opposing side ends. This water-cooled panel is mounted in the melting vessel above the slag door portion so that the lower end is angled inwardly away from an adjacent inside surface of the melting vessel. The side ends curve toward the adjacent inside surface of the melting vessel to minimize any arcing between the opposing side ends and the electrodes, and to avoid damage from scrap charging. The water-cooled panel forms a scrap free area adjacent to slag door portion.
    • 电弧炉包括具有顶部开口和内壁表面的熔化容器。 可拆卸的屋顶位于顶部开口上方并且可以被移除,以允许将废料装入熔化容器。 电极延伸穿过屋顶进入熔化容器。 渣门部分限定从熔炉排出的排渣口。 弧形配置的水冷面板包括相对的上端和下端以及相对的侧端。 该水冷面板安装在炉渣门部分上方的熔化容器中,使得下端与熔化容器的相邻内表面向内倾斜。 侧端部朝向熔融容器的相邻内表面弯曲,以使相对侧端和电极之间的任何电弧放电最小化,并避免废料充电损坏。 水冷面板形成与炉渣门部分相邻的无废料区域。
    • 8. 发明授权
    • NONCONTACT TEMPERATURE SENSING METHOD AND APPARATUS FOR LADLE PREHEATING
    • 非接触式温度传感方法及装置预处理
    • US4419022A
    • 1983-12-06
    • US37036682
    • 1982-04-21
    • BLOOM ENG CO INC
    • ELY ROBERT T
    • B22D41/015F27D21/00F27D99/00
    • F27D21/0014B22D41/015F27D2099/0095F27M2003/02
    • A ladle preheat station including a wall (16), a ladle base (14) for holding a ladle (12) juxtapositioned to the wall (16) on one side thereof, and burner means (20) extending through the wall (16) for firing into the ladle interior (22). The wall includes a sight tube (30) extending therethrough. An infra-red pyrometer (28) is mounted and spaced from the side of the wall (16) opposite the ladle (12), and is positioned to receive radiation through the sight tube (30) from the ladle bottom (24) and is arranged to produce an electrical signal representative of the temperature of the ladle bottom (24) for control purposes. The sight tube (30) includes a Pyrex (Registered Trade Mark) lens (42) for protecting the pyrometer (28) from excessive heating by radiation from the ladle interior (22), and a purge system (34, 40, 44) is provided for passing air through the sight tube (30) to prevent contamination of the lens (42) by combustion products.
    • 一种钢包预热站,包括一个壁(16),一个钢包底座(14),用于保持在其一侧上与壁(16)并置的浇包(12),以及延伸穿过墙壁(16)的燃烧器装置(20) 射入钢包内部(22)。 该墙壁包括延伸穿过其中的瞄准镜(30)。 红外高温计(28)安装并且与钢包(12)相对的壁(16)的侧面间隔开,并且被定位成从钢包底部(24)接收通过观察管(30)的辐射,并且是 被布置成产生代表浇包底部(24)的温度的电信号用于控制目的。 观察管(30)包括用于保护高温计(28)免受来自钢包内部(22)的辐射的过度加热的派雷克斯(注册商标)透镜(42),吹扫系统(34,40,44)是 用于使空气通过观察管(30),以防止由燃烧产物污染透镜(42)。