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    • 1. 发明授权
    • Method of producing round billets
    • 生产圆坯的方法
    • US06491771B1
    • 2002-12-10
    • US09868807
    • 2001-08-03
    • Ingo von HagenHarald WehageUwe QuitmannWalter Weischedel
    • Ingo von HagenHarald WehageUwe QuitmannWalter Weischedel
    • C21D800
    • B22D11/12
    • A process and device for the production of continuously cast billets in a production plant employs a vertical, round strand-casting machine with horizontal run-out, at least one descaling device, and several following roll stands. For the production of round billets with diameters in the range of 90-300 mm, after the solidifying round billet has left the mold but before it has entered the following rolling unit, its surface is descaled and the area near the surface is cooled in defined manner to a temperature which is optimum for the grade of steel in question before the round billet is worked, first over the course of at least three successive horizontal passes then in a vertical pass, the surface of the preworked billet being descaled again before the last pass.
    • 用于在生产设备中生产连续铸造坯料的方法和装置采用具有水平流出的垂直圆形铸造机,至少一个除垢装置和若干跟随辊架。 直径为90〜300mm的圆钢坯的生产后,固化后的圆坯已经离开模具,但在进入下一个轧制机组之前,其表面被除垢,表面附近被冷却 在圆钢坯加工前对钢的等级最佳的温度,首先在至少三次连续的水平通过的过程中,然后在垂直过程中,预加工的钢坯的表面在最后一次之前再次除垢 通过。
    • 4. 发明授权
    • Method and device for the continuous production of steel using metal charge material
    • 使用金属充电材料连续生产钢的方法和装置
    • US07897100B2
    • 2011-03-01
    • US10498632
    • 2003-01-09
    • Peter MonheimWolfgang ReicheltWalter Weischedel
    • Peter MonheimWolfgang ReicheltWalter Weischedel
    • C21C5/35
    • C21B13/023C21B13/14C21C5/305C21C5/565C21C5/567F27B1/025F27B1/16F27B3/06F27B3/085F27B3/19F27D3/123F27D3/16F27D2003/164F27D2003/165F27D2003/167F27D2003/169F27D2017/005F27D2019/0012F27D2099/0023F27M2001/10Y02P10/216
    • The invention relates to a method and device for the continuous production of steel using metal charge material (8) that is preheated in an upper part of a melting vessel (2), is then melted in a lower part (9) of the melting vessel l(2) with fossil fuels (23) and the molten material (16) is continuously discharged into a treatment vessel (3) in which the desired steel quality is adjusted while gases (22) are introduced into the melting vessel (2) from the exterior to afterburn the melting exhaust gases (13). The aim of the invention is to improve the aforementioned afterburn step while at the same time reducing oxidation of the iron-containing charge materials. For this purpose, the process gases (13) are step-wise afterburned when ascending in the melting vessel (2) by introducing the afterburn gases (22) into the interior of the charge material column by way of an interior shaft (5) that projects into the material column and in whose walls (20) inlet openings (21) for the gases (22) are disposed and form afterburn planes (E1, E2) arranged one on top of the other. The invention also relates to a device for carrying out the inventive method.
    • 本发明涉及使用在熔化容器(2)的上部预热的金属加料(8)连续生产钢的方法和装置,然后在熔化容器的下部(9)中熔化 (2)与化石燃料(23)和熔融材料(16)连续排放到处理容器(3)中,其中调节期望的钢质量,同时将气体(22)从 燃烧后的外部燃烧废气(13)。 本发明的目的是改善上述的后燃烧步骤,同时减少含铁电荷材料的氧化。 为此目的,工艺气体(13)在通过内部轴(5)将后燃烧气体(22)引入充电材料柱的内部(5)中时,在熔化容器(2)上升时逐步进行后燃烧, 投入到材料柱中并且在其壁(20)中设置用于气体(22)的入口开口(21)的投影,并且形成排列在另一个顶部的后燃面(E1,E2)。 本发明还涉及一种用于实施本发明的方法的装置。
    • 8. 发明授权
    • Method of producing steel with high manganese and low carbon content
    • 具有高锰和低碳含量的钢的生产方法
    • US07998243B2
    • 2011-08-16
    • US12803451
    • 2010-06-25
    • Lutz RoseWalter Weischedel
    • Lutz RoseWalter Weischedel
    • C21C5/35C21C7/068
    • C21C5/35C21C1/00C21C7/0006C21C7/068C22C33/04C22C35/005C22C38/04
    • A method of producing steel (1) with a high manganese and low carbon content on the basis of liquid pig iron (2) or liquid steel (3) and slag-forming constituents (4) with the object of preventing existing drawbacks of process route in vessels other than, e.g., electrical arc furnaces (18). With steel produced with a high manganese and low carbon content, in a process, the carbon component is reduced to about 0.7-0.8% by a combined blowing of oxygen (7) through top lances (8) and underbath nozzles (9) after feeding of liquid ferro-manganese (50 and liquid steel (3a) in a FeMn-refining converter (6a), wherein a component of a cold end product from premelt is added as cooling means (10), and wherein the carbon component is reduced to about 0.05-0.1% C by a continuous blowing of oxygen (7) through the underbath nozzles.
    • 为了防止工艺路线存在的缺点,以液体生铁(2)或液态钢(3)和成渣组分(4)为基础生产具有高锰和低碳含量的钢(1)的方法 在例如电弧炉(18)以外的容器中。 对于生产高锰和低碳含量的钢,在一个工艺中,通过在进料后通过顶部喷枪(8)和底层喷嘴(9)组合吹入氧气(7),碳成分降低到约0.7-0.8% 在FeMn精炼转化器(6a)中的液态铁锰(50和液态钢(3a)),其中作为冷却装置(10)加入来自预熔融物的冷端产物的组分,其中将碳成分还原成 通过下层喷嘴连续吹入氧气(7)约0.05-0.1%。