Patents by Inventor Jochen Schlüter
Jochen Schlüter has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230175087Abstract: A method for producing liquid pig iron comprises: i) providing a DRI product with an iron content of at least 75.0 wt. %, a carbon content of at least 0.10 wt. % and a content of acidic and basic slag components, comprising CaO, SiO2, MgO and Al2O3 of max. 15.0 wt. %; ii) supplying the DRI product, adding slag formers, into an electrically operated smelting unit; iii) optionally supplying further iron and/or carbon components into the electrically operated smelting unit; iv) smelting the DRI product and optionally the further iron and/or carbon components in the presence of the slag formers, so that a liquid pig iron phase and a liquid slag phase are formed; v) adjusting the slag phase such that it has a basicity of (CaO+MgO/SiO2) from 0.95 to 1.5; vi) tapping the liquid pig iron phase; and vii) tapping and granulating the slag phase.Type: ApplicationFiled: March 2, 2021Publication date: June 8, 2023Applicant: SMS group GmbHInventors: Jochen SCHLÜTER, Ralf NÖRTHEMANN, Thomas HENKEL, Paul TOCKERT
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Publication number: 20150337404Abstract: The present invention relates to a method for predicting, controlling and/or regulating steelworks processes, comprising the steps of monitoring at least two input variables related to a target variable, determining the relationship between the at least two input variables and at least one target variable by means of regression analysis or classification methods, and using the determined target variable for predicting, controlling and/or regulating the steelworks process.Type: ApplicationFiled: December 9, 2013Publication date: November 26, 2015Applicant: SMS Siemag AGInventors: Norbert Uebber, Jochen Schlueter, Hans-Juergen Odenthal, Katharina Morik, Hendrik Blom
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Patent number: 9103503Abstract: The invention relates to a device for injecting gas into a metallurgical vessel, comprising a blowing head (5) having a feed line (5b) for delivering gas, in particular oxygen, to the blowing head (5), and at least one Laval nozzle (1) disposed on the blowing head (5), said nozzle having an inlet section (2) which conveys the gas and an outlet section (3), wherein the gas is delivered to the inlet section (2) via the feed line (5b) and leaves the outlet section (3) at supersonic speed, wherein the Laval nozzle (1) comprises at least one first nozzle part (2, 3) and a second nozzle part (7), wherein the nozzle parts (2, 3, 7) are adjustable relative to one another by changing the geometry of the Laval nozzle (1).Type: GrantFiled: March 28, 2011Date of Patent: August 11, 2015Assignee: SMS SIEMAG AGInventors: Hans-Juergen Odenthal, Jochen Schlueter, Herbert Olivier
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Publication number: 20140367499Abstract: An ultrasonic nozzle for use in metallurgical installations, in particular for the top blowing of oxygen in a Basic Oxygen Furnace (BOF) or an electric arc furnace (EAF), has a convergent portion and a divergent portion, which are adjacent to each other at a nozzle throat, wherein the ultrasonic nozzle is defined by the following group of nozzle forms in a respective design case: Radius in Volumetric flow narrowest cross- Outlet max. nozzle Pressure rate V0 in Nm/ section r* in mm radius re length 1 p0 in bar min (throat) in mm in mm 4 20 12.0 14.0 ?50 ± 20 4 200 39 44.0 160 ± 20 14 20 6 10.0 ?50 ± 20 14 200 21 33.0 ?160 ± 20.Type: ApplicationFiled: June 26, 2014Publication date: December 18, 2014Inventors: Hans-Juergen Odenthal, Jochen Schlueter, Herbert Olivier, Igor Klioutchnikov
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Publication number: 20140352122Abstract: The invention relates to a method for maintaining and/or repairing the spout area (1) of a metallurgical vessel, wherein a substantially hollow-cylindrical sleeve (3) in a perforated brick (2) of the metallurgical vessel is removed. In order to allow the sleeve to be replaced quickly and simply in the event of wear, the method according to the invention has the following steps: a) introducing at least one radially extending slit (4) into the sleeve (3), whereby the sleeve (3) is interrupted at at least one circumferential point (5); b) reaching behind the sleeve (3) or segments (3?, 3?) thereof with a pulling tool (6); c) pulling the sleeve (3) or segments (3, 3?) thereof out of the perforated brick (2), and d) inserting a new sleeve (3) or a new brick material into the perforated brick (2).Type: ApplicationFiled: December 7, 2012Publication date: December 4, 2014Inventors: Mark Moors, Jochen Schlüter, Christoph Wissen, Simon Zovkic, Jörg Grünewald
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Publication number: 20140327192Abstract: A method for operating a blowing lance for blowing a gas in a metallurgical vessel, wherein the head of the blowing lance includes at least one supersonic nozzle, operating parameter measurement signals used for the purpose of process control are continuously acquired. The inlet pressure and/or the inlet temperature of the gas at the supersonic nozzle and/or the vibration amplitude and/or the vibration frequency of the blowing lance and/or the time at which ignition occurs during the oxygen blowing process and/or the location at which ignition occurs during the oxygen blowing process is detected and/or measured in the head of the lance by a detector or sensor arranged in the head of the lance near the supersonic nozzle during operation of the blowing lance. The measurement signal(s) are transmitted to a control unit connected to the detector or sensor and made available for controlling the operation of the blowing lance.Type: ApplicationFiled: April 24, 2014Publication date: November 6, 2014Applicant: SMS Siemag AktiengesellschaftInventors: Pavlo GRYGOROV, Hans-Jürgen ODENTHAL, Jochen SCHLÜTER, Norbert UEBBER
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Publication number: 20130269905Abstract: A melt charging system for the horizontal strip casting of a molten metal with a run-out element, in particular with a nozzle (9), is characterized in that at least one heating device (21, 22; 28) is arranged in the region of the run-out element for heating up the run-out element.Type: ApplicationFiled: July 29, 2011Publication date: October 17, 2013Applicant: SMS SIEMAG AKTIENGESELLSCHAFTInventors: Joerg Bausch, Reiner Puerling, Jochen Schlueter, Jochen Wans, Karl-Heinz Spitzer, Hellfried Eichholz
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Publication number: 20130119168Abstract: The invention relates to a supersonic nozzle for use in metallurgical installations, in particular for the top blowing of oxygen in a Basic Oxygen Furnace (BOF) or an electric arc furnace (EAF), comprising a convergent portion and a divergent portion, which are adjacent to each other at a nozzle throat (DK), wherein the supersonic nozzle is defined by the following group of nozzle forms in the respective design case thereof: (T1).Type: ApplicationFiled: March 29, 2011Publication date: May 16, 2013Applicant: SMS SIEMAG AKTIENGESELLSCHAFTInventors: Hans-Juergen Odenthal, Jochen Schlueter, Herbert Olivier, Igor Klioutchnikov
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Publication number: 20130106034Abstract: The invention relates to a device for injecting gas into a metallurgical vessel, comprising a blowing head (5) having a feed line (5b) for delivering gas, in particular oxygen, to the blowing head (5), and at least one Laval nozzle (1) disposed on the blowing head (5), said nozzle having an inlet section (2) which conveys the gas and an outlet section (3), wherein the gas is delivered to the inlet section (2) via the feed line (5b) and leaves the outlet section (3) at supersonic speed, wherein the Laval nozzle (1) comprises at least one first nozzle part (2, 3) and a second nozzle part (7), wherein the nozzle parts (2, 3, 7) are adjustable relative to one another by changing the geometry of the Laval nozzle (1).Type: ApplicationFiled: March 28, 2011Publication date: May 2, 2013Applicant: SMS SIEMAG AKTIENGESELLSCHAFTInventors: Hans-Juergen Odenthal, Jochen Schlueter, Herbert Olivier
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Patent number: 8357327Abstract: A heating device for preheating a container (3), such as a transfer ladle, transferring liquid metal in melting operations, which is lined with refractory material, wherein the container is heated in a heating stand (1) having a container closure lid (2), is characterized by the use of porous burners (7) for heating the container (3) and keeping it warm.Type: GrantFiled: May 11, 2007Date of Patent: January 22, 2013Assignee: SMS Siemag AktiengesellschaftInventors: Jochen Schlüter, Guido Kleinschmidt, Walter Weischedel, Udo Falkenreck, Norbert Uebber
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Publication number: 20120325425Abstract: The invention relates to a method for casting steel having a chromium content of more than 15 wt.-%, which is characterized in that the steel is cast in a horizontal strip casting system (1) comprising a melting furnace (2), foundry ladle (3) and conveyor belt (5) for receiving and for cooling a liquid steel strip flowing from the foundry ladle (3).Type: ApplicationFiled: October 1, 2010Publication date: December 27, 2012Applicant: SMS SIEMAG AKTIENGESELLSCHAFTInventors: Jochen Wans, Dieter Rosenthal, Jochen Schlüter, Christian Geerkens, Jörg Bausch
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Patent number: 8302663Abstract: The invention relates to a casting nozzle for a horizontal strip casting system, especially for casting steel strip. The casting nozzle is connected to a feed channel and is designed as a rectangular refractory hollow block, the outlet region of which being only slightly above the cooled continuous belt which accommodates the outflowing melt. The hollow block is subdivided at least once in the direction of casting and a narrow sealing element is arranged on the partition side of the segments, the width of the remaining gaps in the partition area being selected as to close when the casting nozzle is operated.Type: GrantFiled: February 15, 2010Date of Patent: November 6, 2012Assignees: Salzgitter Flachstahl GmbH, SMS Siemag AGInventors: Hellfried Eichholz, Sven Klawiter, Rune Schmidt-Jürgensen, Karl-Heinz Spitzer, Hans-Jürgen Hecken, Jochen Schlüter
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Publication number: 20120138257Abstract: The invention relates to a casting nozzle for a horizontal strip casting system, especially for casting steel strip. The casting nozzle is connected to a feed channel and is designed as a rectangular refractory hollow block, the outlet region of which being only slightly above the cooled continuous belt which accommodates the outflowing melt. The hollow block is subdivided at least once in the direction of casting and a narrow sealing element is arranged on the partition side of the segments, the width of the remaining gaps in the partition area being selected as to close when the casting nozzle is operated.Type: ApplicationFiled: February 15, 2010Publication date: June 7, 2012Inventors: Hellfried Eichholz, Sven Klawiter, Rune Schmidt-Jürgensen, Karl-Heinz Spitzer, Hans-Jürgen Hecken, Jochen Schlüter
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Publication number: 20110251712Abstract: The invention relates to a device for actively tracking specific data on systems or the components of a metallurgical system, characterized in that at least one readable and writable memory medium for the specific data is fixedly connected to each component, and the specific data are modifiable periodically and/or on the basis of input. In addition, the invention relates to a metallurgical system, in particular an integrated foundry or a mini-mill, comprising at least one device according to the invention. Finally, the invention relates to the use of at least one device according to the invention in an electric steel mill or a converter steel mill and/or in systems of secondary metallurgy and/or in casting plants, in particular continuous casting machines, and/or in molten steel transport units and/or in furnace systerms and/or in hot and cold rolling mills and/or in rolled stock treatment systems, in particular strip treatment systems.Type: ApplicationFiled: November 20, 2009Publication date: October 13, 2011Applicant: SMS SIEMAG AKTIENGESELLSCHAFTInventors: Jochen Schlüter, Markus Reifferscheid, Ina Hüllen
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Publication number: 20100314809Abstract: A heating device for preheating a container (3), such as a transfer ladle, transferring liquid metal in melting operations, which is lined with refractory material, wherein the container is heated in a heating stand (1) having a container closure lid (2), is characterized by the use of porous burners (7) for heating the container (3) and keeping it warm.Type: ApplicationFiled: May 11, 2007Publication date: December 16, 2010Inventors: Jochen Schlüter, Guido Kleinschmidt, Walter Weischedel, Udo Falkenreck, Norbert Uebber
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Publication number: 20100104989Abstract: The invention relates to a burner arrangement (1) in particular for heating, drying or keeping warm, in particular a distributor (5) of a continuous casting unit and consisting of a flat arrangement of at least one burner (2). The burner(s) (2) is/are embodied as a porous burner (10).Type: ApplicationFiled: April 3, 2007Publication date: April 29, 2010Inventors: Martin Assmann, Udo Falkenreck, Hans-Jürgen Hecken, Jochen Schlüter, Walter Weischedel
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Publication number: 20100064856Abstract: A process for producing steel and for obtaining slag having a high content of additional elements such as vanadium in a two-step process. Liquid pig iron is initially blown onto a high-grade slag at a lower temperature, the slag being further processed separately after tapping, while the pig iron is supplied to at least one additional converter in which it is blown at a higher temperature to form steel. A high-grade slag is generated while shortening the steel production process using the process in that the intermediate metal product that is tapped from the first converter is subjected to a heating and/or holding phase before being supplied to the second converter.Type: ApplicationFiled: December 10, 2007Publication date: March 18, 2010Applicant: SMS Siemag AktiengesellschaftInventors: Guido Kleinschmidt, Jochen Schlueter, Walter Weischedel, Udo Falkenreck
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Publication number: 20100044931Abstract: The invention relates to a metallurgical vessel (1), in particular an arc furnace, having a holding container (2) for metal melt and having a lid (3), by means of which the holding container (2) can be at least partially covered, wherein the metallurgical vessel also has at least one lance (4, 5) for the supply of a medium into the metallurgical vessel (1), and wherein the at least one lance (4, 5) is pivotably arranged on or in the metallurgical vessel (1). In order to be able to introduce a medium into the interior of the furnace in an improved manner, the invention provides that at least one lance (4, 5) is arranged in the region of the lid (3) of the metallurgical vessel (1) on a revolute joint (6) which has a rotational axis aligned in a horizontal direction (H).Type: ApplicationFiled: October 22, 2007Publication date: February 25, 2010Inventors: Norbert Uebber, Guido Kleinschmidt, Jochen Schlueter, Udo Falkenreck
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Publication number: 20100035194Abstract: The invention relates to a burner arrangement (1) in particular for heating or keeping warm, in particular casting stream protection devices and/or immersion casting devices of a continuous casting plant, comprising a reservoir (5) that can receive, in particular a shroud tube or an immersion tube, said reservoir comprising a base (6) and a cover (7). The wall (8) of the reservoir (5) is formed by at least one porous burner.Type: ApplicationFiled: February 28, 2008Publication date: February 11, 2010Inventors: Martin Assmann, Udo Falkenreck, Hans-Jürgen Hecken, Jochen Schlüter, Walter Weischedel