Patents by Inventor Myoung Kyun Shin
Myoung Kyun Shin 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: 20220002826Abstract: A device for manufacturing molten iron is provided. The device for manufacturing the molten iron includes a multi-stage fluidized reduction furnace for reducing a powdered iron ore including hematite and limonite, a melting gas furnace connected to the fluidized reduction furnace through an ore conduit and a gas conduit, a fluidized bed oxidation furnace for oxidizing magnetite to be converted into hematite through steam provided from the fluidized reduction furnace, and a hydrogen processing unit for processing hydrogen generated by the oxidation reaction of magnetite in the fluidized bed oxidation furnace.Type: ApplicationFiled: November 1, 2019Publication date: January 6, 2022Inventors: Chang Kuk KO, Myoung Kyun SHIN
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Patent number: 10557179Abstract: Provided is a method for manufacturing reduced iron which includes the steps of: i) drying ores in an ore drier; ii) supplying the dried ores to at least one reduction reactor; iii) reducing the ores in the at least one reduction reactor and manufacturing reduced iron; iv) discharging exhaust gas by which the ores are reduced in the reduction reactor; v) branching the exhaust gas and providing the branched exhaust gas as ore feeding gas; and vi) exchanging heat between the exhaust gas and the ore feeding gas and transferring the sensible heat of the exhaust gas to the ore feeding gas. In the supplying the dried ores to the at least one reduction reactor, the dried ores are supplied to the at least one reduction reactor by using the ore feeding gas.Type: GrantFiled: September 11, 2017Date of Patent: February 11, 2020Assignees: POSCO, Primetals Technologies Austria GmbHInventors: Myoung-Kyun Shin, Dong-Won Kim, Sang-Hyun Kim, Jun-Hyuk Lee, Jan Friedemann Plaul, Norbert Rein, Karl Zehetbauer
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Publication number: 20180010202Abstract: Provided is a method for manufacturing reduced iron which includes the steps of: i) drying ores in an ore drier; ii) supplying the dried ores to at least one reduction reactor; iii) reducing the ores in the at least one reduction reactor and manufacturing reduced iron; iv) discharging exhaust gas by which the ores are reduced in the reduction reactor; v) branching the exhaust gas and providing the branched exhaust gas as ore feeding gas; and vi) exchanging heat between the exhaust gas and the ore feeding gas and transferring the sensible heat of the exhaust gas to the ore feeding gas. In the supplying the dried ores to the at least one reduction reactor, the dried ores are supplied to the at least one reduction reactor by using the ore feeding gas.Type: ApplicationFiled: September 11, 2017Publication date: January 11, 2018Inventors: Myoung-Kyun Shin, Dong-Won Kim, Sang-Hyun Kim, Jun-Hyuk Lee
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Patent number: 9783862Abstract: Provided is an apparatus for manufacturing reduced iron and a method for manufacturing reduced iron. The method for manufacturing reduced iron includes the steps of: i) drying ores in an ore drier; ii) supplying the dried ores to at least one reduction reactor; iii) reducing the ores in the at least one reduction reactor and manufacturing reduced iron; iv) discharging exhaust gas by which the ores are reduced in the reduction reactor; v) branching the exhaust gas and providing the branched exhaust gas as ore feeding gas; and vi) exchanging heat between the exhaust gas and the ore feeding gas and transferring the sensible heat of the exhaust gas to the ore feeding gas. In the steps of supplying the dried ores to the at least one reduction reactor, the dried ores are supplied to the at least one reduction reactor by using the ore feeding gas.Type: GrantFiled: July 14, 2010Date of Patent: October 10, 2017Assignee: POSCOInventors: Myoung-Kyun Shin, Dong-Won Kim, Sang-Hyun Kim, Jun-Hyuk Lee
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Patent number: 8375718Abstract: An apparatus for generating energy using sensible heat of an offgas during manufacture of molten iron and a method for generating energy using the same are provided. The method for generating energy includes i) providing an offgas discharged from an apparatus for manufacturing molten iron including a reduction reactor that provides reduced iron that is reduced from iron ore and a melter-gasifier that melts the reduced iron to manufacture molten iron; ii) converting cooling water into high pressure steam by contacting the cooling water with the offgas; and iii) generating energy from at least one steam turbine by supplying the high pressure steam to the steam turbine and rotating the steam turbine.Type: GrantFiled: December 17, 2007Date of Patent: February 19, 2013Assignees: Posco, Siemens Vai Metals Technologies GmbH & Co.Inventors: Myoung-Kyun Shin, Sang-Hyun Kim, Min-Chul Park, Sang-Hoon Joo, Robert Millner
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Patent number: 8221674Abstract: A distributor bottom, particularly a nozzle-type distributor bottom, for steadily introducing process gas, especially process gas loaded with solid particles, into a process chamber, optionally to create a fluidized bed. The process chamber is disposed above the distributor bottom and is formed by walls of a reactor used for metallurgically, particularly thermally, treating feedstock. The distributor bottom is provided with a plurality of holes. Holes are arranged near the walls to prevent substances from attaching to the reactor walls. Special arrangements relate to nozzles and ducts.Type: GrantFiled: December 20, 2006Date of Patent: July 17, 2012Assignee: Siemens Vai Metals Technologies GmbHInventors: Franz Hauzenberger, Karl Zehetbauer, Jun Hyuk Lee, Myoung Kyun Shin, Won Namkung, Minyoung Cho, Sun-Kwang Jeong, Nag Joon Choi, Hang Goo Kim
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Publication number: 20120174711Abstract: Provided is an apparatus for manufacturing reduced iron and a method for manufacturing reduced iron. The method for manufacturing reduced iron includes the steps of: i) drying ores in an ore drier; ii) supplying the dried ores to at least one reduction reactor; iii) reducing the ores in the at least one reduction reactor and manufacturing reduced iron; iv) discharging exhaust gas by which the ores are reduced in the reduction reactor; v) branching the exhaust gas and providing the branched exhaust gas as ore feeding gas; and vi) exchanging heat between the exhaust gas and the ore feeding gas and transferring the sensible heat of the exhaust gas to the ore feeding gas. In the steps of supplying the dried ores to the at least one reduction reactor, the dried ores are supplied to the at least one reduction reactor by using the ore feeding gas.Type: ApplicationFiled: July 14, 2010Publication date: July 12, 2012Applicant: POSCOInventors: Myoung-Kyun Shin, Dong-Won Kim, Sang-Hyun Kim, Jun-Hyuk Lee
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Patent number: 8119059Abstract: An apparatus for manufacturing molten iron includes i) at least one fluidized-bed reduction reactor that converts iron ore into reduced materials by reducing and plasticizing the iron ore, ii) a melter-gasifier into which the reduced materials are charged and oxygen is injected such that the melter-gasifier manufactures molten iron, and iii) a reducing gas supply line that supplies a reducing gas discharged from the melter-gasifier into the fluidized-bed reduction reactor. The fluidized-bed reduction reactor includes a gas injector that injects a gas into the fluidized-bed reduction reactor to remove stagnating layers.Type: GrantFiled: December 26, 2006Date of Patent: February 21, 2012Assignees: POSCO, Siemens VAI Metals Technologies GmbH & Co.Inventors: Min-Young Cho, Hang-Goo Kim, Myoung-Kyun Shin, Nag-Joon Choi, Kung-Won Nam, Sun-Kwang Jeong, Jun-Hyuk Lee
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Patent number: 8052921Abstract: An apparatus for manufacturing molten iron includes i) at least one fluidized-bed reduction reactor that reduces and plasticizes iron ore and converts the iron ore into reduced materials, ii) a melter-gasifier into which the reduced ore is charged and oxygen is injected, the melter-gasifier manufacturing molten iron, and iii) a reducing gas supply line that supplies a reducing gas discharged from the melter-gasifier to the fluidized-bed reduction reactor. The fluidized-bed reduction reactor includes a cyclone that is installed in the fluidized-bed reduction reactor to collect fine iron ore. A gas injector, which prevents the fine ore from adhering by injecting gas containing carbon, is connected to the cyclone.Type: GrantFiled: December 26, 2006Date of Patent: November 8, 2011Assignees: POSCO, Siemens VAI Metals Technologies GmbH & Co.Inventors: Myoung-Kyun Shin, Sang-Hyun Kim, Jun-Hyuk Lee, Kung-Won Nam
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Patent number: 7850902Abstract: A method for manufacturing molten iron that improves charging and discharge of the fine iron ore, and an apparatus for manufacturing molten iron using the same. The apparatus for manufacturing molten iron includes i) at least one fluidized-bed reduction reactor that reduces fine iron ore and converts the fine iron ore into reduced iron, ii) a fine iron ore charging bin that supplies the fine iron ore to the fluidized-bed reduction reactor, iii) a fine iron ore charging line that directly connects the fine iron ore charging bin to each of the fluidized-bed reduction reactors, and directly charges the fine iron ore into each of the fluidized-bed reduction reactor, iv) a melter-gasifier into which lumped carbonaceous materials and the reduced iron are charged and oxygen is injected, the melter-gasifier manufacturing molten iron, and v) a reducing gas supply line that supplies a reducing gas discharged from the melter-gasifier to the fluidized-bed reduction reactor.Type: GrantFiled: December 26, 2006Date of Patent: December 14, 2010Assignees: POSCO, Siemens VAI Metals Technologies GmbH & Co.Inventors: Sun-Kwang Jeong, Myoung-Kyun Shin, Min-Young Cho
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Patent number: 7713329Abstract: The invention relates to an apparatus and method for manufacturing molten iron. The method for manufacturing molten iron includes producing a mixture containing iron by drying and mixing iron-containing ore and additives, passing the mixture containing iron through one or more successively-connected fluidized beds so that the mixture is reduced and calcined to thereby perform conversion into a reduced material, forming a coal packed bed, which is a heat source in which the reduced material has been melted, charging the reduced material to the coal packed bed and supplying oxygen to the coal-packed bed to manufacture iron, and supplying reduced gas exhausted from the coal-packed bed to the fluidized bed, wherein in the conversion of the mixture to a reduced material, oxygen is directly supplied and combusted in an area where reduced gas flows to the fluidized bed. The apparatus for manufacturing molten iron of the invention uses this method for manufacturing molten iron.Type: GrantFiled: December 23, 2003Date of Patent: May 11, 2010Assignees: POSCO, Research Institute of Industrial Science & Technology, Voest-Alpine Industrieanlagenbau GmbH & Co.Inventors: Myoung-Kyun Shin, Jun-Hyuk Lee
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Publication number: 20090308074Abstract: An apparatus for generating energy using sensible heat of an offgas during manufacture of molten iron and a method for generating energy using the same are provided. The method for generating energy includes i) providing an offgas discharged from an apparatus for manufacturing molten iron including a reduction reactor that provides reduced iron that is reduced from iron ore and a melter-gasifier that melts the reduced iron to manufacture molten iron; ii) converting cooling water into high pressure steam by contacting the cooling water with the offgas; and iii) generating energy from at least one steam turbine by supplying the high pressure steam to the steam turbine and rotating the steam turbine.Type: ApplicationFiled: December 17, 2007Publication date: December 17, 2009Inventors: Myoung-Kyun Shin, Sang-Hyun Kim, Min-Chul Park, Sang-Hoon Joo, Robert Millner
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Publication number: 20090039573Abstract: A distributor bottom, particularly a nozzle-type distributor bottom, for steadily introducing process gas, especially process gas loaded with solid particles, into a process chamber, optionally to create a fluidized bed. The process chamber is disposed above the distributor bottom and is formed by walls of a reactor used for metallurgically, particularly thermally, treating feedstock. The distributor bottom is provided with a plurality of holes. Holes are arranged near the walls to prevent substances from attaching to the reactor walls. Special arrangements relate to nozzles and ducts.Type: ApplicationFiled: December 20, 2006Publication date: February 12, 2009Inventors: Franz Hauzenberger, Karl Zehetbauer, Jun Hyuk Lee, Myoung Kyun Shin, Won Namkung, Minyoung Cho, Sun-Kwang Jeong, Nag Joon Choi, Hang Goo Kim
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Publication number: 20090008841Abstract: An apparatus for manufacturing molten iron includes i) at least one fluidized-bed reduction reactor that converts iron ore into reduced materials by reducing and plasticizing the iron ore, ii) a melter-gasifier into which the reduced materials are charged and oxygen is injected such that the melter-gasifier manufactures molten iron, and iii) a reducing gas supply line that supplies a reducing gas discharged from the melter-gasifier into the fluidized-bed reduction reactor. The fluidized-bed reduction reactor includes a gas injector that injects a gas into the fluidized-bed reduction reactor to remove stagnating layers.Type: ApplicationFiled: December 26, 2006Publication date: January 8, 2009Applicants: POSCO, VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO.Inventors: Min-Young Cho, Hang-Goo Kim, Myoung-Kyun Shin, Nag-Joon Choi, Kung-Won Nam, Sun-Kwang Jeong, Jun-Hyuk Lee
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Publication number: 20080302212Abstract: A method for manufacturing molten iron that improves charging and discharge of the fine iron ore, and an apparatus for manufacturing molten iron using the same. The apparatus for manufacturing molten iron includes i) at least one fluidized-bed reduction reactor that reduces fine iron ore and converts the fine iron ore into reduced iron, ii) a fine iron ore charging bin that supplies the fine iron ore to the fluidized-bed reduction reactor, iii) a fine iron ore charging line that directly connects the fine iron ore charging bin to each of the fluidized-bed reduction reactors, and directly charges the fine iron ore into each of the fluidized-bed reduction reactor, iv) a melter-gasifier into which lumped carbonaceous materials and the reduced iron are charged and oxygen is injected, the melter-gasifier manufacturing molten iron, and v) a reducing gas supply line that supplies a reducing gas discharged from the melter-gasifier to the fluidized-bed reduction reactor.Type: ApplicationFiled: December 26, 2006Publication date: December 11, 2008Applicants: POSCO, VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & COInventors: Sun-Kwang Jeong, Myoung-Kyun Shin, Min-Young Cho
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Publication number: 20080277842Abstract: An apparatus for manufacturing molten iron includes i) at least one fluidized-bed reduction reactor that reduces and plasticizes iron ore and converts the iron ore into reduced materials, ii) a melter-gasifier into which the reduced ore is charged and oxygen is injected, the melter-gasifier manufacturing molten iron, and iii) a reducing gas supply line that supplies a reducing gas discharged from the melter-gasifier to the fluidized-bed reduction reactor. The fluidized-bed reduction reactor includes a cyclone that is installed in the fluidized-bed reduction reactor to collect fine iron ore. A gas injector, which prevents the fine ore from adhering by injecting gas containing carbon, is connected to the cyclone.Type: ApplicationFiled: December 26, 2006Publication date: November 13, 2008Applicants: POSCO, VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & COInventors: Myoung-Kyun Shin, Sang-Hyun Kim, Jun-Hyuk Lee, Kung-Won Nam
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Publication number: 20060119023Abstract: The invention relates to an apparatus and method for manufacturing molten iron. The method for manufacturing molten iron includes producing a mixture containing iron by drying and mixing iron-containing ore and additives, passing the mixture containing iron through one or more successively-connected fluidized beds so that the mixture is reduced and calcined to thereby perform conversion into a reduced material, forming a coal packed bed, which is a heat source in which the reduced material has been melted, charging the reduced material to the coal packed bed and supplying oxygen to the coal-packed bed to manufacture iron, and supplying reduced gas exhausted from the coal-packed bed to the fluidized bed, wherein in the conversion of the mixture to a reduced material, oxygen is directly supplied and combusted in an area where reduced gas flows to the fluidized bed. The apparatus for manufacturing molten iron of the present invention uses this method for manufacturing molten iron.Type: ApplicationFiled: December 23, 2003Publication date: June 8, 2006Inventors: Myoung-Kyun Shin, Jun-Hyuk Lee
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Patent number: 6736876Abstract: A fluidized bed reduction reactor (100) for supplying a reduced iron to a melter-gasifier (1) of a smelting reduction system includes an exhaust gas supply unit (3) for supplying an exhaust gas to a reduction gas supply tube (4) interconnecting the melter-gasifier (1) and fluidized bed reduction furnaces (20, 30, 40) when the pressure of the reduction gas in each fluidized bed reduction furnace radically decreases with the occurrence of pressure peak in the melter-gasifier (1). The fluidized bed reduction reactors further include iron ore flow blockage prevention units for directly bypassing some of the reduction gas from each iron ore discharge tube (33, 43) disposed between the neighboring furnaces to the scrubber (50) when the inner pressure of the melter-gasifier (1) radically increases with the occurrence of pressure peak, and a backup gas supply unit supplying a backup nitrogen gas to the bottom of each fluidized bed reduction furnace when a nozzle of a distribution plate (24, 34, 44) is clogged.Type: GrantFiled: November 13, 2001Date of Patent: May 18, 2004Assignee: Research Institute of Industrial Science & TechnologyInventors: Myoung-Kyun Shin, Jun-Hyuk Lee, Sun-Kwang Jeong, Nag-Joon Choi, Hang-Goo Kim, Heung-Won Kang
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Patent number: 6277324Abstract: An apparatus and a method for manufacturing molten pig iron by using a fine iron ore are disclosed. Coal is used to produce a reducing gas, and a fine iron ore is used to produce a molten iron and a reduced iron in a simple and efficient manner. The apparatus for manufacturing a molten iron by directly using coal as the fuel is as follows. A high temperature reducing gas is sent from a melter-gasifier to a fluidized bed lime stone calcining furnace to calcine the lime stone. The reducing gas is supplied to a second fluidized bed reducing furnace so as to manufacture a reduced iron directly. An off-gas from the second fluidized bed reducing furnace is supplied to a first fluidized bed reducing furnace (disposed above the second fluidized bed reducing furnace) to pre-heat and pre-reduce the fine iron ore. The calcined lime stone and the finally reduced iron are supplied to a melter-gasifier to manufacture a molten pig iron.Type: GrantFiled: August 19, 1999Date of Patent: August 21, 2001Assignees: Pohang Iron & Steel Co. LTD, Research Institute of Industrial Science & Technology, Voest-Alpine Industrieanlagenbau GmbHInventors: Sang Hoon Joo, Sang Deuk Lee, Myoung Kyun Shin, Jun Hyuk Lee, Min Young Cho, Hang Goo Kim, Heung Won Kang
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Patent number: 6235080Abstract: A device is disclosed for directly charging raw material into a melter-gasifier in a molten iron manufacturing facility using coal and fine iron ore. The elutriation of fine dusts is inhibited while directly charging coal and reduced fines into the melter-gasifier. The direct charging device is applied to a fluidized bed type final reducing furnace and has a plurality of discharging outlets for discharging the fines. The melter-gasifier receives lump coal to form a coal packed bed within it and receives the reduced fine iron ore from the final reducing furnace. The direct charging device includes a plurality of charging inlets formed on the side wall of the melter-gasifier connected by conduits to the discharging outlets of the final reducing furnace whereby reduced fine iron ore is continuously charged from the final reducing furnace to the coal packed bed of the melter-gasifier.Type: GrantFiled: August 20, 1999Date of Patent: May 22, 2001Assignees: Pohang Iron & Steel Co. Ltd., Research Institute of Industrial Science & Technology, Voest-Alpine Industrieanlagendau GmbHInventors: Myoung Kyun Shin, Sang Hoon Joo