Patents by Inventor Michael Stroeder
Michael Stroeder 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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Patent number: 11428404Abstract: A method and apparatus for combustion of fuel in a combustion chamber with a hydraulic diameter D. Fuel and a primary oxidant are introduced via a burner lance into the combustion chamber, having a certain mean velocity u1 at entry, and a secondary oxidant with a mean velocity of u2 is introduced into the combustion chamber. The burner lance has a position p that has a distance Id1I defined as the smallest distance between p and a combustion chamber centerline.Type: GrantFiled: June 13, 2017Date of Patent: August 30, 2022Assignee: OUTOTEC (FINLAND) OYInventors: Robert Maduta, Michael Ströder, Andreas Munko
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Patent number: 11396032Abstract: A method for cleaning of a roller screen transporting and screening particles by means of at least three rotating rollers. The rollers are installed in succession at given clearances and arranged transversally in relation to the transport direction of the particles to screen a desired range of particle sizes. At least one roller changes its circumferential velocity and/or its rotational direction over time at defined time intervals for defined time periods such that for this defined time period for at least one pair of neighbored rollers one roller has a higher circumferential velocity than the other and/or both rollers roll in opposite rotational directions.Type: GrantFiled: August 18, 2016Date of Patent: July 26, 2022Assignee: OUTOTEC (FINLAND) OYInventors: Michael Ströder, Roberto Valery, Roger Becker, Siegfried Schimo, Gergö Rimaszeki, Michal Kotrc, Vincent Siauw, Sebastian Lang
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Publication number: 20210276046Abstract: A method for cleaning of a roller screen transporting and screening particles by means of at least three rotating rollers. The rollers are installed in succession at given clearances and arranged transversally in relation to the transport direction of the particles to screen a desired range of particle sizes. At least one roller changes its circumferential velocity and/or its rotational direction over time at defined time intervals for defined time periods such that for this defined time period for at least one pair of neighbored rollers one roller has a higher circumferential velocity than the other and/or both rollers roll in opposite rotational directions.Type: ApplicationFiled: August 18, 2016Publication date: September 9, 2021Inventors: Michael STRÖDER, Roberto VALERY, Roger BECKER, Siegfried SCHIMO, Gergö RIMASZEKI, Michal KOTRC, Vincent SIAUW, Sebastian LANG
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Publication number: 20210080103Abstract: A method and apparatus for combustion of fuel in a combustion chamber with a hydraulic diameter D. Fuel and a primary oxidant are introduced via a burner lance into the combustion chamber, having a certain mean velocity u1 at entry, and a secondary oxidant with a mean velocity of u2 is introduced into the combustion chamber.Type: ApplicationFiled: June 13, 2017Publication date: March 18, 2021Inventors: Robert MADUTA, Michael STRÖDER, Andreas MUNKO
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Patent number: 10793928Abstract: A method and its related plant for the thermal treatment of iron containing oxide, in which fine-grained solids are heated in a preheating calcining stage and exposed to a reduction gas in a subsequent reduction stage. Off-gas from the reduction stage is guided through a separation device wherein water originating from the reduction stage is separated. The water separated in the separation device is recycled into a water treatment section, from which the recycled water is supplied to a water electrolysis plant and/or a steam reforming plant producing hydrogen, and the produced hydrogen is supplied to the reduction stage as reductant and/or to the preheating calcining stage as fuel and/or to the gas heater as fuel and/or from which the recycled water is supplied to the separation device.Type: GrantFiled: February 24, 2020Date of Patent: October 6, 2020Assignee: OUTOTEC (FINLAND) OYInventors: Michael Ströder, Roberto Valery, Sebastian Lang, Suvi Rannantie, Vincent Siauw, Gergö Rimaszeki
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Publication number: 20200190613Abstract: A method and its related plant for the thermal treatment of iron containing oxide, in which fine-grained solids are heated in a preheating calcining stage and are exposed to a reduction gas in a subsequent reduction stage. Off-gas from the reduction stage is guided through a separation device wherein the water originating from the reduction stage is separated. The off-gas from the preheating calcining stage is guided through a venturi scrubber and a packed bed section downstream of the venturi scrubber to condense water vapor.Type: ApplicationFiled: February 24, 2020Publication date: June 18, 2020Inventors: Michael Ströder, Roberto Valery, Sebastian Lang, Suvi Rannantie, Vincent Siauw, Gergö Rimaszeki
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Patent number: 10414597Abstract: Provided is a pallet car for the transport of bulk material for a thermal treatment thereof. The pallet car comprises a frame with at least two opposed cross-beams on which grate bars rest and two end pieces each connecting the cross-beams with each other, which each include at least two rollers and at least one side wall. In the pallet car, the grate bars and/or the side walls and/or the insulating plates are made of a ceramic fiber composite, wherein the fibers are metallic and high-temperature resistant.Type: GrantFiled: December 12, 2016Date of Patent: September 17, 2019Assignee: OUTOTEC (FINLAND) OYInventors: Timo Rodenheber, Roger Becker, Pierre Manthey, Astrid Asquino, Till Weber, Michael Ströder, Isabella Vandermaelen
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Patent number: 10234205Abstract: A method for charging pallet cars of a traveling grate for the thermal treatment of bulk material includes in a first step a first layer is applied as a hearth layer on a grate surface of the pallet car. In at least one second step a second layer at the same time or successively is applied as a side layer on two opposed side walls of the pallet car and a third layer is applied as green pellet layer between the side layers and on the hearth layer. The pellets used for the grate and the side layer differ in terms of their diameter and size distribution.Type: GrantFiled: August 16, 2018Date of Patent: March 19, 2019Assignee: OUTOTEC (FINLAND) OYInventors: Georg Strüber, Markus Schuster, Siegfried Schimo, Roberto Valery, Stephanie Winkler, Suvi Rannantie, Matthias Bergmann, Karl-Heinz Hofmann, Katharina Kremmer, Vincent Siauw, Basavan Salagundi, Michael Ströder, Roger Becker
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Publication number: 20180372410Abstract: A method for charging pallet cars of a traveling grate for the thermal treatment of bulk material includes in a first step a first layer is applied as a hearth layer on a grate surface of the pallet car. In at least one second step a second layer at the same time or successively is applied as a side layer on two opposed side walls of the pallet car and a third layer is applied as green pellet layer between the side layers and on the hearth layer. The pellets used for the grate and the side layer differ in terms of their diameter and size distribution.Type: ApplicationFiled: August 16, 2018Publication date: December 27, 2018Inventors: Georg Strüber, Markus Schuster, Siegfried Schimo, Roberto Valery, Stephanie Winkler, Suvi Rannantie, Matthias Bergmann, Karl-Heinz Hofmann, Katharina Kremmer, Vincent Siauw, Basavan Salagundi, Michael Ströder, Roger Becker
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Publication number: 20180362261Abstract: Provided is a pallet car for the transport of bulk material for a thermal treatment thereof. The pallet car comprises a frame with at least two opposed cross-beams on which grate bars rest and two end pieces each connecting the cross-beams with each other, which each include at least two rollers and at least one side wall. In the pallet car, the grate bars and/or the side walls and/or the insulating plates are made of a ceramic fiber composite, wherein the fibers are metallic and high-temperature resistant.Type: ApplicationFiled: December 12, 2016Publication date: December 20, 2018Applicant: Outotec (Finland) OyInventors: Timo RODENHEBER, Roger BECKER, Pierre MANTHEY, Astrid ASQUINO, Till WEBER, Michael STRÖDER, Isabella VANDERMAELEN
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Publication number: 20180207598Abstract: The invention relates to a process and the respective installation for thermal treatment of granular solids, in particular for producing aluminum oxide from aluminum hydroxide, wherein the solids are heated in at least one preheating stage and then reacted in a reactor at 700 to 1400° C. In at least one preheating stage, the average temperature gradient of the solids amounts to <15K/s and the dwell time of the solids amounts to ?15 s.Type: ApplicationFiled: June 2, 2016Publication date: July 26, 2018Applicant: Outotec (Finland) OyInventors: Michael Ströder, Peter Sturm, Michael Missalla, Cornelis Klett
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Patent number: 9228783Abstract: A method for controlling a fuel supply to a plurality of burners of a burner group includes determining a temperature in the burner group as a control variable. The fuel supply to the burners of the burner group is specified in dependence on a control deviation of the temperature determined in the burner group to a specified setpoint temperature. The fuel supply is a common mean fuel supply that is specified for all of the burners of the burner group by a temperature master controller. The fuel supply is corrected for each of the burners or burner subgroups of the burner group. Each of the burners or the burner subgroups have a fuel supply slave controller. The fuel supply slave controllers use at least, one disturbance variable associated to the respective burner or the respective burner subgroup so as to perform the correcting.Type: GrantFiled: February 14, 2013Date of Patent: January 5, 2016Assignee: OUTOTEC (FINLAND) OYInventors: Karl Semiller, Wolfgang Selt, Michael Stroeder
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Patent number: 9090984Abstract: A process for producing hydrogen for use in a subsequent methanation process includes electrochemically converting water into hydrogen and oxygen. The hydrogen is depleted with electrolyte aerosols. Then, the electrolyte aerosols are separated from the depleted hydrogen in a wet electrostatic precipitator in a hydrogen atmosphere.Type: GrantFiled: November 28, 2012Date of Patent: July 28, 2015Assignee: OUTOTEC (FINLAND) OYInventors: Nikola Anastasijevic, Jan Holst, Andreas Orth, Markus Schuster, Bernd Schurtakow, Michael Stroeder
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Patent number: 9089803Abstract: A separator for separating solid particles from a vapor-gas mixture includes a dust chamber with a main body having an inlet for a vapor-gas mixture containing semi-coke particles and an outlet chute in a bottom of the main body for removal of semi-coke particles. The main body is covered with an external insulation. The separator also includes a cyclone, wherein an upper part of the main body is connected to an inlet of the cyclone for removal of fine semi-coke particles from the vapor-gas mixture. A screw conveyor unit is connected to a bottom part of the main body.Type: GrantFiled: November 23, 2011Date of Patent: July 28, 2015Assignee: ENEFIT OUTOTEC TECHNOLOGY OUEInventors: Michael Stroeder, Christopher Wendtland, Bernd Roos, Aleksandr Kaidalov, Kirill Kaidalov
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Publication number: 20150037744Abstract: A method for controlling a fuel supply to a plurality of burners of a burner group includes determining a temperature in the burner group as a control variable. The fuel supply to the burners of the burner group is specified in dependence on a control deviation of the temperature determined in the burner group to a specified setpoint temperature. The fuel supply is a common mean fuel supply that is specified for all of the burners of the burner group by a temperature master controller. The fuel supply is corrected for each of the burners or burner subgroups of the burner group. Each of the burners or the burner subgroups have a fuel supply slave controller. The fuel supply slave controllers use at least, one disturbance variable associated to the respective burner or the respective burner subgroup so as to perform the correcting.Type: ApplicationFiled: February 14, 2013Publication date: February 5, 2015Inventors: Karl Semiller, Wolfgang Selt, Michael Stroeder
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Publication number: 20140332402Abstract: A process for producing hydrogen for use in a subsequent methanation process includes electrochemically converting water into hydrogen and oxygen. The hydrogen is depleted with electrolyte aerosols. Then, the electrolyte aerosols are separated from the depleted hydrogen in a wet electrostatic precipitator in a hydrogen atmosphere.Type: ApplicationFiled: November 28, 2012Publication date: November 13, 2014Applicant: OUTOTEC (FINLAND) OYInventors: Nikola Anastasijevic, Jan Holst, Andreas Orth, Markus Schuster, Bernd Schurtakow, Michael Stroeder
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Patent number: 8602693Abstract: A method for controlling at least one of a level of solids and an inventory of solids in a solids tank includes withdrawing a stream of solids from the solids tank via a downer. The stream of solids withdrawn from the solids tank is fluidized at a bottom of the downer by supplying a conveying gas so as to convey the withdrawn stream of solids upward via a riser branching off from the downer, a size of the conveyed stream of solids being adjusted by the supplying of the conveying gas. At least one of the level and the inventory of the solids in the solids tank is used as an adjustment variable of a control circuit and a volume flow of the conveying gas is used as an actuating variable of the control circuit.Type: GrantFiled: January 23, 2008Date of Patent: December 10, 2013Assignee: Outotec OyjInventors: Roger Bligh, Pekka Hiltunen, Cornelis Klett, Michael Missalla, Bernd Reeb, Lilli Sacharow, Michael Stroeder, Peter Sturm
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Publication number: 20130269301Abstract: A separator for separating solid particles from a vapour-gas mixture includes a dust chamber with a main body having an inlet for a vapour-gas mixture containing semi-coke particles and an outlet chute in a bottom of the main body for removal of semi-coke particles. The main body is covered with an external insulation. The separator also includes a cyclone, wherein an upper part of the main body is connected to an inlet of the cyclone for removal of fine semi-coke particles from the vapour-gas mixture.Type: ApplicationFiled: November 23, 2011Publication date: October 17, 2013Applicant: ENEFIT OUTOTEC TECHNOLOGY OUEInventors: Michael Stroeder, Christopher Wendtland, Bernd Roos, Aleksandr Kaidalov, Kirill Kaidalov
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Patent number: 8496728Abstract: A process for the production and/or treatment of at least one metal in a reactor includes discharging a waste gas stream via a waste gas conduit and after-treating the waste gas stream by supplying a cooling gas and/or a cooling gas mixture. The after-treating includes injecting the cooling gas and/or cooling gas mixture into the waste gas conduit on a side of the waste gas conduit facing the reactor, at a high velocity and substantially tangentially with respect to a main flow direction of the waste gas. A volume of the cooling gas and/or the cooling gas mixture injected into the waste gas conduit is adjusted so as to reduce a mixing temperature below a melting temperature of the molten particles and/or a condensation temperature of the vaporous constituents of the waste gas stream.Type: GrantFiled: February 12, 2009Date of Patent: July 30, 2013Assignee: Outotec OyjInventors: Andreas Orth, Michael Stroeder, Jean-Paul Nepper
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Patent number: 8225936Abstract: A method for dividing a stream of solids includes discharging the stream of solids via a first downer. The stream of solids are fluidized at a bottom of the first downer by supplying a first conveying gas. By the first conveying gas, a part of the stream of solids are conveyed to a top of a first riser branching off from the first downer. A remaining part of the stream of solids are discharged via a second downer adjoining the first downer. The remaining stream of solids are fluidized at a bottom of the second downer by supplying a second conveying gas. By the second conveying gas, a part of the remaining part of the stream of solids are conveyed to a top of a second riser branching off from the second downer.Type: GrantFiled: January 23, 2008Date of Patent: July 24, 2012Assignee: Outotec OyjInventors: Roger Bligh, Pekka Hiltunen, Cornelis Klett, Michael Missalla, Bernd Reeb, Lilli Sacharow, Michael Stroeder, Peter Sturm