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    • 3. 发明授权
    • Process and device for producing a steel strip with the properties of a
cold-rolled product
    • 用于生产具有冷轧产品性能的钢带的方法和装置
    • US5832985A
    • 1998-11-10
    • US817784
    • 1997-04-21
    • Fritz-Peter PleschiutschniggIngo von HagenWolfgang BleckPaul Splinter
    • Fritz-Peter PleschiutschniggIngo von HagenWolfgang BleckPaul Splinter
    • B21B1/26B21B1/34B21B1/46B21B45/00B21B45/02B22D11/128C21D8/02B22D11/12B21B1/04
    • B21B1/463C21D8/0215C21D8/0226B21B1/26B21B1/34B21B1/466B21B2201/04B21B2201/12B21B2201/14B21B45/004B21B45/0218Y10T29/49991
    • A process for producing a steel strip with properties of a cold-rolled product. The process including comprising the sequential steps of: a) producing a thin slab 30 to 100 mm thick from a steel melt by continuous casting in a continuous casting machine, and, after a cast strip emerges from a mold of the continuous casting machine, cast rolling the cast strip with a liquid core to reduce thickness of the cast strip by at least 10%; b) descaling the thin slab produced according to step a); c) hot rolling the descaled thin slab at temperatures in a range of 1150.degree. to 900.degree. C. for reducing thickness by at least 50% to produce an intermediate strip with a maximum thickness of 20 mm; d) after hot rolling, accelerated cooling of the intermediate strip to a temperature in a range of 850.degree. to 600.degree. C.; e) rolling down the cooled intermediate strip by isothermic rolling at 850.degree. to 600.degree. C. on a finishing train with at least three stands into strips with a maximum thickness of 2 mm, whereby the strip thickness is reduced by at least 25% per roll pass; and f) subsequently cooling the isothermic rolled steel strip in accelerated fashion to a temperature no greater than 100.degree. C.
    • PCT No.PCT / DE95 / 01347 Sec。 371日期1997年04月21日 102(e)1997年4月21日PCT PCT 1995年9月21日PCT公布。 公开号WO96 / 12573 日期:1996年5月2日生产具有冷轧产品性能的钢带的方法。 该方法包括以下顺序步骤:a)通过在连续铸造机中连续铸造从钢熔体制造30至100mm厚的薄板坯,并且在铸造带材从连铸机的模具上铸造之后,铸造 用液芯滚压铸造带材,将铸钢带的厚度减少至少10%; b)除去根据步骤a)生产的薄板; c)在1150℃至900℃的温度范围内热轧所述除去的薄板坯,以便将厚度减小至少50%以产生最大厚度为20mm的中间带材; d)热轧后,中间带的加速冷却至850℃〜600℃的温度。 e)通过在具有至少三个支架的精轧机上在850℃至600℃下进行等温轧制来冷却冷却的中间带,最大厚度为2mm,由此带材厚度减少至少25% 滚过 和f)随后将等温轧制钢带以加速的方式冷却至不高于100℃的温度。
    • 8. 发明授权
    • Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor
    • 包括用于生产钢的中心充气轴的直流电弧炉及其方法
    • US06490312B1
    • 2002-12-03
    • US09806848
    • 2001-04-04
    • Fritz-Peter PleschiutschniggWei-Ping Wu
    • Fritz-Peter PleschiutschniggWei-Ping Wu
    • H05B722
    • C21C5/5229C21B13/026C21B13/12C21C5/565F27B3/085F27B3/186F27D17/003Y02P10/216
    • A direct-current arc furnace for producing steel has a smelting vessel with electrodes, tapping openings for the molten mass and slag, and a device for a direct removal of exhaust gases. The smelting vessel is extended upwardly by a central shaft for introducing melt-down material into the vessel. The extension of the central shaft forms a melt-down material column. A shaft suction device is provided as an extension of the shaft for removal of the exhaust gases during the smelting process. Adjacent to the shaft openings are provided in the upper part of the smelting vessel for receiving a vessel suction device for dust and/or gases resulting during the charging process of the melt-down material. The shaft suction device and the vessel suction device are connected to a common device and switching elements are provided for actuating only one suction device and/or adjusting a combination of the exhaust gas flows dependent on the charging and smelting process.
    • 用于生产钢的直流电弧炉具有带电极的熔炼容器,用于熔融物料和炉渣的出料口,以及用于直接除去废气的装置。 熔融容器由中心轴向上延伸,用于将熔化材料引入容器中。 中心轴的延伸部形成熔化材料柱。 轴抽吸装置设置为用于在冶炼过程中排出废气的轴的延伸部。 在熔融容器的上部附近设置有轴开口,用于在熔化材料的装料过程中接收用于灰尘和/或气体的容器抽吸装置。 轴抽吸装置和容器抽吸装置连接到共同的装置,并且提供开关元件以仅驱动一个抽吸装置和/或根据充电和熔炼过程来调整排气流的组合。
    • 9. 发明授权
    • Method for producing thin slabs in a continuous casting plant
    • 在连续铸造厂中生产薄板坯的方法
    • US6129137A
    • 2000-10-10
    • US4431
    • 1998-01-08
    • Fritz-Peter Pleschiutschnigg
    • Fritz-Peter Pleschiutschnigg
    • B22D11/04B22D11/041B22D11/12B22D11/128B22D11/06B22D11/08
    • B22D11/1206
    • A method for producing slabs in a continuous casting plant preferably equipped with a vertical mold, preferably for thin slab plants for casting preferably steel having, for example, a solidification thickness of 60 mm-120 mm, for example, 80 mm, and casting speeds of up to 10 m/min. and a maximum casting output of about 3 million tons per year. In a first vertically extending first segment 0 of a strand guide, exclusive strand reduction, also called casting and rolling, is carried out. The segment 1 arranged immediately underneath the first segment 0 carries out bending of the strand through several bending points into the inner circular arc. Prior to final solidification, the strand is bent back through several return bending points into the horizontal.
    • 一种连续铸造设备中的板坯的制造方法,优选地配备有垂直模具,优选用于薄板坯设备,优选为具有例如60mm-120mm的凝固厚度例如80mm的钢,以及铸造速度 高达10米/分。 每年最大铸造产量约300万吨。 在股线引导件的第一垂直延伸的第一段0中,执行也称为铸造和轧制的专用股线还原。 紧接在第一区段0下方的区段1通过几个弯曲点进入内圆弧的弯曲。 在最终凝固之前,股线通过几个返回弯曲点向后弯曲成水平。
    • 10. 发明授权
    • Method of producing coated metal slabs, particularly metal strips, and
coating plant
    • 生产涂层金属板,特别是金属条和涂装厂的方法
    • US6051278A
    • 2000-04-18
    • US934954
    • 1997-09-22
    • Fritz-Peter Pleschiutschnigg
    • Fritz-Peter Pleschiutschnigg
    • B22D11/00C23C2/00B05D1/18
    • B22D11/008C23C2/006
    • A method and apparatus for producing metal slabs in which especially a metal strip of steel is conducted through a bottom entry device of a vessel which is filled with molten metal, particularly steel, and, after the molten metal has crystallized onto the metal slab, the coated metal slab, particularly the coated metal strip, is pulled off above the vessel, wherein the crystallization carrier is conducted though the bottom entry device of the vessel which provides a clear opening width between the core strip and the entry device. Controlled cooling is carried out in the bottom area of the vessel containing the molten metal. The temperature of the molten metal at the nozzle exit of the bottom entry device is adjusted to be greater than the liquidus temperature of the molten metal. A meniscus in the pure melt phase is formed at the nozzle exit at the bottom entry device. A distance exists between the meniscus of the molten metal at the nozzle exit and the begin of the solidification. The heat removal in the area of the bottom entry device is controlled in dependence on the strip speed, bath temperature and gap width in such a way that the meniscus is formed freely and stationary at the nozzle exit.
    • 一种用于生产金属板的方法和装置,其中特别是钢的金属带通过填充有熔融金属,特别是钢的容器的底部进入装置,并且在熔融金属结晶到金属板上之后, 涂覆的金属板坯,特别是涂覆的金属带材,从容器上方被拉出,其中结晶载体通过容器的底部入口装置进行,其在芯条和进入装置之间提供了清晰的开口宽度。 在包含熔融金属的容器的底部区域中进行控制冷却。 将底部入口装置的喷嘴出口处的熔融金属的温度调节为大于熔融金属的液相线温度。 纯熔体相的弯液面形成在底部入口装置的喷嘴出口处。 在喷嘴出口处的熔融金属的弯月面和凝固开始之间存在距离。 根据条带速度,浴温度和间隙宽度来控制底部进入装置区域中的除热,使得弯液面在喷嘴出口处自由形成并且静止。