Patents Assigned to Doosan Lentjes GmbH
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Patent number: 11779895Abstract: The present invention relates to a method for operating a fluidized bed apparatus and to a fluidized bed apparatus, the method comprising the following steps: providing particulate metal to a reaction chamber of a fluidized bed reactor, providing an oxidizing agent to a fluidizing bottom of the fluidized bed reactor such that particulate matter comprising the particulate metal is fluidized, wherein the particulate metal reacts with the oxidizing agent to particulate metal oxide, withdrawing particulate metal oxide from the reaction chamber, storing the withdrawn particulate metal oxide, providing particulate metal oxide to the reaction chamber of the fluidized bed reactor, providing a reducing agent containing gas to the fluidizing bottom of the fluidized bed reactor such that particulate matter comprising the particulate metal oxide is fluidized, wherein the particulate metal oxide reacts with the reducing agent to particulate metal, withdrawing the particulate metal from the reaction chamber, storing the wiType: GrantFiled: February 19, 2021Date of Patent: October 10, 2023Assignee: DOOSAN LENTJES GMBHInventors: Oguzhan Narin, Björn Brosch, Sebastian Krusch
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Publication number: 20230235878Abstract: The present invention relates to a fluidized bed gas distribution nozzle with the following features in its functional position: a gas inlet pipe (10), having: an inner surface (10i), an outer surface (10o), a lower end section (10l) adapted to receive gas from an associated gas source, an upper end section (10u), a plurality of openings (12) formed in the upper end section (10u), each opening (12) extending form the inner surface (10i) of the gas inlet pipe (10) to the outer surface (10o) of the gas inlet pipe (10), a gas distribution cap (20) connected or connectable to the gas inlet pipe (10), having: an upper top (20u), a lower bottom (20l) arranged at a vertical distance below said upper top (20u) and surrounding the gas inlet pipe (10), a peripheral wall (20w) having an inner surface (20i) and an outer surface (20o) and extending between said upper top (20u) and said lower bottom (20l), outlets (22) within the peripheral wall (20w) extending from the inner surface (20i) of the peripheral wall (20w) to tType: ApplicationFiled: May 4, 2021Publication date: July 27, 2023Applicant: DOOSAN LENTJES GMBHInventors: Oguzhan NARIN, Björn BROSCH
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Patent number: 11697157Abstract: The invention relates to an Incineration apparatus, comprising a fluidized bed redox reactor (2) having—a reaction chamber (8) with particulate matter and—a fluidized bottom with at least one reducing agent inlet (9) for a gas to fluidize the particulate matter.Type: GrantFiled: August 28, 2019Date of Patent: July 11, 2023Assignee: DOOSAN LENTJES GMBHInventors: Oguzhan Narin, Björn Brosch, Andreas Karpinski
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Publication number: 20230158465Abstract: The present invention relates to a fluidized bed reactor comprising a reaction chamber for particulate matter, the reaction chamber having at least one particulate matter inlet (3) for the particulate matter and at least one primary particulate matter outlet for the particulate matter, and a fluidizing grate having multiple openings for an operating fluid to fluidize particulate matter above the fluidizing grate.Type: ApplicationFiled: November 24, 2022Publication date: May 25, 2023Applicant: DOOSAN LENTJES GMBHInventors: Björn Brosch, Ing. Sebastian Schmitt, Bhavik Gandhi, Damian Goral, Frank Leuschke, Oguzhan Narin
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Publication number: 20220379280Abstract: The present invention relates to a method for operating a fluidized bed apparatus and to a fluidized bed apparatus, the method comprising the following steps: providing particulate metal to a reaction chamber of a fluidized bed reactor, providing an oxidizing agent to a fluidizing bottom of the fluidized bed reactor such that particulate matter comprising the particulate metal is fluidized, wherein the particulate metal reacts with the oxidizing agent to particulate metal oxide, withdrawing particulate metal oxide from the reaction chamber, storing the withdrawn particulate metal oxide, providing particulate metal oxide to the reaction chamber of the fluidized bed reactor, providing a reducing agent containing gas to the fluidizing bottom of the fluidized bed reactor such that particulate matter comprising the particulate metal oxide is fluidized, wherein the particulate metal oxide reacts with the reducing agent to particulate metal, withdrawing the particulate metal from the reaction chamber, storing the wiType: ApplicationFiled: February 19, 2021Publication date: December 1, 2022Applicant: DOOSAN LENTJES GMBHInventors: Oguzhan NARIN, Björn BROSCH, Sebastian KRUSCH
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Publication number: 20220228742Abstract: An incineration plant for solid material, such as waste or biomass, includes a combustion material inlet through which the solid material is to be introduced, a combustion chamber into which the solid material is introduced and in which the solid material is combusted, whereby flue gases are produced, a combustion grate with which the solid material and combusted solid material can be conveyed through the combustion chamber, a primary air supply below the top of the combustion grate, and at least one nozzle arranged above the combustion grate with which a gaseous medium such as secondary air, tertiary air, and/or an oxygen poor carrier gas can be provided, the at least one nozzle having a gas inlet and a gas outlet.Type: ApplicationFiled: May 7, 2020Publication date: July 21, 2022Applicant: DOOSAN LENTJES GMBHInventors: Ferdinand KRÜLL, Andreas KARPINSKI
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Publication number: 20210252597Abstract: The invention relates to an Incineration apparatus, comprising a fluidized bed redox reactor having a reaction chamber with particulate matter and a fluidized bottom with at least one reducing agent inlet for a gas to fluidize the particulate matter.Type: ApplicationFiled: August 28, 2019Publication date: August 19, 2021Applicant: DOOSAN LENTJES GMBHInventors: Oguzhan NARIN, Björn BROSCH, Andreas KARPINSKI
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Publication number: 20210245094Abstract: The invention relates to a reactor for cleaning flue gases by a dry or quasi-dry sorption process, comprising a flue gas inlet (1) at the bottom of the reactor, an outlet (2) at the top of the reactor, a dry sorbent injection system (3) with at least one dry sorbent outlet (4) for injecting dry sorbent into the reactor, the at least one dry sorbent outlet (4) being arranged between the flue gas inlet (1) and the outlet (2).Type: ApplicationFiled: June 14, 2019Publication date: August 12, 2021Applicant: DOOSAN LENTJES GMBHInventors: Björn BROSCH, Oguzhan NARIN
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Patent number: 10919004Abstract: The invention relates to an aeration system for seawater oxidation in flue gas purification devices, with at least one tubular diffuser (TD), covered by at least two perforated membranes (20), which are positioned one after the other and at a distance to each other in a direction of the central longitudinal axis (A) of the diffuser (TD) as well as at least one support member (SP), which encircles a membrane-free section (FS) of the tubular diffuser at least partially, and at least one sliding means (40), arranged between the support member (SP) and the membrane-free section (FS) of the tubular diffuser (TD).Type: GrantFiled: July 31, 2017Date of Patent: February 16, 2021Assignee: DOOSAN LENTJES GMBHInventors: Jürgen Klos, Michael Petri, Annette Ziemann-Nöthe, Karl-Heinz Röder
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Patent number: 10900660Abstract: A fluidized bed heat exchanger with a chamber (24) comprises a solid particles inlet port (22), a solid particles outlet port (30), arranged at a distance to the inlet port (22), means (46) for introducing a fluidizing gas from a bottom area into the chamber (24). The heat exchanger further comprises at least two heat transfer means (28) within the one chamber (24), each being provided with a heat transfer medium inlet port (42) and a heat transfer medium outlet port (44), wherein a first heat transfer means (28) is designed as a reheater and second heat transfer means (28) is designed as a superheater to achieve a heat transfer medium temperature and a heat transfer medium pressure above that of the reheater. At least one of the reheater or superheater is made of a multiplicity of heat transfer tubes arranged in a meandering fashion for conveying a heat transfer medium.Type: GrantFiled: October 9, 2014Date of Patent: January 26, 2021Assignee: DOOSAN LENTJES GmbHInventors: Oguzhan Narin, Damian Goral
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Patent number: 10881980Abstract: A scrubber tray for a wet scrubber tower of a flue gas purification device includes a multiplicity of spindles, arranged across an inner horizontal cross section of the wet scrubber tower. Adjacent spindles are arranged at a horizontal distance to each other. At least some of the spindles are pivot-mounted to allow a rotative movement around a corresponding spindle axis and to arrange the respective spindle at a predetermined rotation angle. At least some of the spindles are equipped each with at least one protrusion, which extends outwardly from the respective spindle. The spindles and protrusions are shaped and arranged to provide flow-through openings between adjacent spindles and protrusions respectively. Each flow-through opening defines a corresponding flow-through area, and they add up to 10%-80% of the inner horizontal cross section of the associated scrubber tower, independently of the respective rotation angles of the spindles.Type: GrantFiled: August 16, 2017Date of Patent: January 5, 2021Assignee: DOOSAN LENTJES GMBHInventors: Bjorn Brosch, Oguzhan Narin, Andreas Karpinski, Jurgen Michael Benthele, Hagen Mann
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Patent number: 10591155Abstract: The invention relates to a circulating fluidized bed apparatus, comprising a combustion chamber (CC) with at least one outlet port (OP) at its upper end (UE) to transfer a mixture of gas and solids from said combustion chamber (CC) into at least one subsequent separator (SP) and from there at least partially back into the combustor chamber, wherein the combustion chamber (CC) is ring-shaped, comprising an inner wall (IW) and an outer wall (OW), arranged at a distance to each other in a radial direction of the combustion chamber (CC), and at least two intermediate walls (SW), which extend between the inner wall (IW) and the outer wall (OW) and in spaced relationship in a circumferential direction of the combustion chamber (CC), thereby subdividing the combustion chamber (CC) into a corresponding number of sections (CO), arranged adjacent to each other in the circumferential direction of the combustion chamber (CC).Type: GrantFiled: August 25, 2016Date of Patent: March 17, 2020Assignee: DOOSAN LENTJES GMBHInventors: Nedim Özbey, Oguzhan Narin
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Publication number: 20190358560Abstract: A scrubber tray for a wet scrubber tower of a flue gas purification device includes a multiplicity of spindles, arranged across an inner horizontal cross section of the wet scrubber tower. Adjacent spindles are arranged at a horizontal distance to each other. At least some of the spindles are pivot-mounted to allow a rotative movement around a corresponding spindle axis and to arrange the respective spindle at a predetermined rotation angle. At least some of the spindles are equipped each with at least one protrusion, which extends outwardly from the respective spindle. The spindles and protrusions are shaped and arranged to provide flow-through openings between adjacent spindles and protrusions respectively. Each flow-through opening defines a corresponding flow-through area, and they add up to 10%-80% of the inner horizontal cross section of the associated scrubber tower, independently of the respective rotation angles of the spindles.Type: ApplicationFiled: August 16, 2017Publication date: November 28, 2019Applicant: DOOSAN LENTJES GMBHInventors: Bjorn BROSCH, Oguzhan NARIN, Andreas KARPINSKI, Jurgen Michael BENTHELE, Hagen MANN
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Patent number: 10443836Abstract: A circulating fluidized bed apparatus, comprising a circulating fluidized bed furnace 10 with an outer furnace wall 10r and at least one heat exchange chamber 20, which is friction-locked to a section of the outer furnace wall 10r, as well as a platform PL which extends horizontally and at a distance to an upper ceiling 10c of said heat exchange chamber 20, wherein the heat exchange chamber 20 is further supported by at least one leverage 50, which is arranged onto said platform PL and extends from a first end 50f, pivotally mounted to the outer furnace wall 10r, away from said furnace wall 10r to a second end 50s, and a fastener 60 extending downwardly from said second end 50s of said leverage 50 to a part of the heat exchange chamber 20 offset the outer furnace wall 10r.Type: GrantFiled: September 7, 2016Date of Patent: October 15, 2019Assignee: DOOSAN LENTJES GMBHInventors: Alexander Baum, Martin Tewiele, Martin Gajsek
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Publication number: 20190308143Abstract: The invention relates to an aeration system for seawater oxidation in flue gas purification devices, with at least one tubular diffuser (TD), covered by at least two perforated membranes (20), which are positioned one after the other and at a distance to each other in a direction of the central longitudinal axis (A) of the diffuser (TD) as well as at least one support member (SP), which encircles a membrane-free section (FS) of the tubular diffuser at least partially, and at least one sliding means (40), arranged between the support member (SP) and the membrane-free section (FS) of the tubular diffuser (TD).Type: ApplicationFiled: July 31, 2017Publication date: October 10, 2019Applicant: DOOSAN LENTJES GMBHInventors: Jürgen KLOS, Michael PETRI, Annette ZIEMANN-NÖTHE, Karl-Heinz RÖDER
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Publication number: 20190170345Abstract: The invention relates to a circulating fluidized bed apparatus, comprising a combustion chamber (CC) with at least one outlet port (OP) at its upper end (UE) to transfer a mixture of gas and solids from said combustion chamber (CC) into at least one subsequent separator (SP) and from there at least partially back into the combustor chamber, wherein the combustion chamber (CC) is ring-shaped, comprising an inner wall (IW) and an outer wall (OW), arranged at a distance to each other in a radial direction of the combustion chamber (CC), and at least two intermediate walls (SW), which extend between the inner wall (IW) and the outer wall (OW) and in spaced relationship in a circumferential direction of the combustion chamber (CC), thereby subdividing the combustion chamber (CC) into a corresponding number of sections (CO), arranged adjacent to each other in the circumferential direction of the combustion chamber (CC).Type: ApplicationFiled: August 25, 2016Publication date: June 6, 2019Applicant: DOOSAN LENTJES GMBHInventors: Nedim ÖZBEY, Oguzhan NARIN
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Publication number: 20180306434Abstract: A circulating fluidized bed apparatus, comprising a circulating fluidized bed furnace 10 with an outer furnace wall 10r and at least one heat exchange chamber 20, which is friction-locked to a section of the outer furnace wall 10r, as well as a platform PL which extends horizontally and at a distance to an upper ceiling 10c of said heat exchange chamber 20, wherein the heat exchange chamber 20 is further supported by at least one leverage 50, which is arranged onto said platform PL and extends from a first end 50f, pivotally mounted to the outer furnace wall 10r, away from said furnace wall 10r to a second end 50s, and a fastener 60 extending downwardly from said second end 50s of said leverage 50 to a part of the heat exchange chamber 20 offset the outer furnace wall 10r.Type: ApplicationFiled: September 7, 2016Publication date: October 25, 2018Applicant: DOOSAN LENTJES GMBHInventors: Alexander BAUM, Martin TEWIELE, Martin GAJSEK
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Patent number: 10066831Abstract: An air distribution nozzle and fluidized bed including said nozzle, the nozzle including a gas inlet pipe and an air distribution cap defining a space inbetween them, first air outlet means allowing air to flow from the gas inlet pipe to the space and second outlet means allowing air to flow from said space to the ambient area, wherein said second outlet means has an outer cross section along the outer surface of the cap that varies in its vertical height along its horizontal extension.Type: GrantFiled: October 9, 2014Date of Patent: September 4, 2018Assignee: Doosan Lentjes GmbHInventors: Thorsten Friedrich Koppers, Oguzhan Narin
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Publication number: 20170348632Abstract: The invention relates to a scrubber tower (also called scrubbing tower, absorption tower, gas-liquid contact device or washing tower) of a flue gas purification device with at least one tray.Type: ApplicationFiled: August 25, 2017Publication date: December 7, 2017Applicant: Doosan Lentjes GmbHInventors: Kai Kehrmann, Frank Oberheid, Oguzhan Narin, Annette Ziemann-Nothe
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Publication number: 20170299173Abstract: Fluidized bed heat exchanger with a chamber (24), comprising at least one solid particles inlet port (22) at least one solid particles outlet port (30), arranged at a distance to the at least one inlet port (22), means (46) for introducing a fluidizing gas from a bottom area (24b) of said chamber (24) into said chamber (24), wall-like heat transfer means (28) in its lower part, extending in a main flow direction of the solid particles on their way from the inlet port (22) to the outlet port (30), substantially parallel to each other, with a space (C) between adjacent heat transfer means (28), at least one baffle (50,52) in its upper part, extending substantially perpendicular to the heat transfer means (28), downwardly from a chamber ceiling (24c), with its lower end at a distance to the heat transfer means (28) and comprising extensions (E), protruding into the space (C) between adjacent heat transfer means (28), and couplings (B) to mechanically connect the said heat transfer means (28) to said extensions (Type: ApplicationFiled: January 8, 2016Publication date: October 19, 2017Applicant: DOOSAN LENTJES GMBHInventors: Damian GORAL, Klaus-Dieter POHL, Oguzhan NARIN, Peter BLÄTTERMANN, Peter KOCH, Hans PIECHURA