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    • 2. 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
    • Continuous casting facility and process for producing thin slabs
    • 连续铸造设备和生产薄板坯的工艺
    • US06568461B1
    • 2003-05-27
    • US09167776
    • 1998-10-07
    • Fritz-Peter Pleschiutschnigg
    • Fritz-Peter Pleschiutschnigg
    • B22D1107
    • B22D11/1206B22D11/111B22D11/14
    • A process and a continuous casting installation for the production of thin slabs, preferably of steel with a predetermined solidification thickness of, e.g., 50 mm, in which an optimum surface quality and internal quality of the strand with minimal and predetermined solidification thickness and plant capacity, and accordingly minimal rolling effort, is achieved by a qualitative adjustment of casting and rolling in the region of the strand guide, oscillation of the casting mold by a hydraulically operated lifting platform, feeding of casting powder to the mold, and an immersion nozzle with a specific cross sectional area of flow relating to the process and continuous casting installation, resulting in a satisfactory supply of casting slag and bath movement in the cast surface compared with a standard slab with a thickness of 200 mm. These conditions from the crater end to the cast surface exert a direct influence on the superficial and internal quality of the strand and on the reliability of the casting process.
    • 一种用于生产薄板坯,优选具有例如50mm的预定凝固厚度的钢的连续铸造设备,其中具有最小和预定的凝固厚度和设备容量的最佳表面质量和内部质量 ,并且因此最小的轧制力是通过在股线引导件的区域中的铸造和轧制的定性调整实现的,通过液压操作的升降平台振动铸造模具,将铸造粉末供给到模具以及具有 与工艺和连续铸造设备相关的特定流动横截面积,与厚度为200mm的标准板坯相比,铸造表面中的铸造炉渣和浴槽运动的满意的供给。 从火山口端到铸造表面的这些条件对钢绞线的表面和内部质量以及铸造过程的可靠性产生直接的影响。