Patents by Inventor Mark Daniel D'Agostini
Mark Daniel D'Agostini 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: 9709269Abstract: A solid fuel/oxygen burner including an upstream section, an intermediary section, and a downstream section, a solid fuel conduit extending through the intermediary and downstream sections for transporting a mixture of solid fuel in a transport gas, the solid fuel conduit having a greater cross-sectional area in the downstream section than in the intermediary section, and a tubular fuel separator positioned within the solid fuel conduit in the downstream section, the fuel separator being bounded by an inlet plane and a outlet plane, the fuel separator dividing the fuel conduit into an inner nozzle having a cross-sectional area and an outer annular nozzle having a cross-sectional area, wherein the ratio of the outer nozzle cross-sectional area to the inner nozzle cross-sectional area measured at the outlet plane is greater than 1.Type: GrantFiled: March 25, 2014Date of Patent: July 18, 2017Assignee: Air Products and Chemicals, Inc.Inventor: Mark Daniel D'Agostini
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Publication number: 20170198904Abstract: An oxy-gaseous fuel burner (400, 500) or a solid fuel burner (700) having an annular cavity (404, 504, 704) upstream from and proximate to an outlet plane (416, 516, 716) and a converging (434, 734) or converging-diverging nozzle (537) located upstream from and proximal to the cavity (404, 504, 704). The solid fuel burner (700) also is preferably operated so that the velocity of gas exiting a second annulus (730) is less than the velocity of gas exiting a central conduit (710).Type: ApplicationFiled: June 23, 2015Publication date: July 13, 2017Inventors: Mark Daniel D'Agostini, Anup Vasant Sane, Avishek Guha
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Publication number: 20170198905Abstract: An oxy-gaseous fuel burner (400, 500) or a solid fuel burner (700) having an annular cavity (404, 504, 704) upstream from and proximate to an outlet plane (416, 516, 716) and a converging (434, 734) or converging-diverging nozzle (537) located upstream from and proximal to the cavity (404, 504, 704). The solid fuel burner (700) also is preferably operated so that the velocity of gas exiting a second annulus (730) is less than the velocity of gas exiting a central conduit (710).Type: ApplicationFiled: June 23, 2015Publication date: July 13, 2017Inventors: Mark Daniel D'Agostini, Anup Vasant Sane, Avishek Guha
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Patent number: 9683736Abstract: A precombustor system (300) including an ignition chamber (301) having a front wall (308), a central axis, a diameter Dic, and an outlet (313) configured to discharge a product gas (315). The ignition chamber (301) includes a central ignition oxygen injector (307) configured to inject a first oxygen stream from the front wall (308) substantially parallel to the central axis, and a tangential primary fuel injector (303) configured to inject a primary fuel stream tangential to the central axis at a location an axial distance Xpf downstream of the front wall (308). The ratio Xpf/Dic is from 0.25 to 4.0. The central axis forms an angle a with a vertical line of less than or equal to about 45 degrees. The trajectory of the primary fuel stream forms an angle ? with a plane that is perpendicular to the central axis of less than or equal to about 20 degrees. A method for combustion is also disclosed.Type: GrantFiled: November 7, 2012Date of Patent: June 20, 2017Assignee: Air Products and Chemicals, Inc.Inventors: Mark Daniel D'Agostini, Aleksandar Georgi Slavejkov, Stephane Bernard Poussou, Xiaoyi He, Francis Anthony Milcetich
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Patent number: 9513002Abstract: A wide-flame solid fuel/oxygen burner including a fuel nozzle having an aspect ratio of at least about 2 defined by the ratio of a fuel nozzle width, W, measured along a major axis centerline, to a fuel nozzle height, H, measured along a minor axis centerline, and long walls spaced substantially symmetrically from the major axis centerline, the fuel nozzle having an inlet width, WN; and a pair of guide vanes positioned on either side of the major axis centerline between that centerline and an adjacent long wall, the guide vanes diverging from the major axis centerline in the flow direction by an angle such that the guide vanes are closer together at an upstream end and farther apart at a downstream end, thereby forming a central diffuser between the guide vanes and an outer converging nozzle between each guide vane and one of the long walls.Type: GrantFiled: March 25, 2014Date of Patent: December 6, 2016Assignee: Air Products and Chemicals, Inc.Inventors: Mark Daniel D'Agostini, Stephane Bernard Poussou
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Publication number: 20160238246Abstract: An oxy-fuel burner (10) with monitoring including a fuel passage (320) terminating in a fuel nozzle (322), a primary oxidant passage (330) terminating in an oxidant nozzle (333), one or more sensors including a nozzle temperature sensor (372) for sensing at least one of an oxidant nozzle temperature and a fuel nozzle temperature, and a data processor (66, 166,266) programmed to receive data from the sensors and to determine based on at least a portion of the received data the presence or absence of an abnormal burner condition including a potential partial obstruction of at least one of the primary oxidant passage (330) and the fuel passage (320) based on an increase or decrease in at least one of the oxidant nozzle temperature and the fuel nozzle temperature.Type: ApplicationFiled: April 29, 2015Publication date: August 18, 2016Inventors: Christopher Michael ALBRIGHT, Reed Jacob HENDERSHOT, Michael J. GALLAGHER, Thomas David Matthew LEE, Aleksandar Georgi SLAVEJKOV, Mark Daniel D'AGOSTINI, Tunc GORUNEY
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Patent number: 9243799Abstract: A precombustor system to be used in conjunction with an oxy-fuel burner employing recycled flue gas is disclosed. A method of introducing streams into the precombustor to achieve desired improvements in flame properties is also disclosed.Type: GrantFiled: September 25, 2009Date of Patent: January 26, 2016Assignee: Air Products and Chemicals, Inc.Inventors: Mark Daniel D'Agostini, Reed Jacob Hendershot, Aleksandar Georgi Slavejkov, Xiaoyi He
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Patent number: 9221704Abstract: A fluid-cooled through-port oxy-fuel burner for converting an air-fuel regenerator port from air-fuel combustion to oxy-fuel combustion and an associated furnace and method. The oxy-fuel burner is suitable for installing through a regenerator port neck. The burner has an elbow-like bend to accommodate the geometry of the regenerator port neck. The burner has a cooling fluid jacket, a fuel conduit, a first oxidant conduit, and optionally an oxidant staging conduit.Type: GrantFiled: November 15, 2011Date of Patent: December 29, 2015Assignee: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Mark Daniel D'Agostini, Michael Edward Habel, Matthew James Watson
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Publication number: 20150192296Abstract: A solid fuel/oxygen burner including an upstream section, an intermediary section, and a downstream section, a solid fuel conduit extending through the intermediary and downstream sections for transporting a mixture of solid fuel in a transport gas, the solid fuel conduit having a greater cross-sectional area in the downstream section than in the intermediary section, and a tubular fuel separator positioned within the solid fuel conduit in the downstream section, the fuel separator being bounded by an inlet plane and a outlet plane, the fuel separator dividing the fuel conduit into an inner nozzle having a cross-sectional area and an outer annular nozzle having a cross-sectional area, wherein the ratio of the outer nozzle cross-sectional area to the inner nozzle cross-sectional area measured at the outlet plane is greater than 1.Type: ApplicationFiled: March 25, 2014Publication date: July 9, 2015Applicant: Air Products And Chemicals, Inc.Inventor: Mark Daniel D'Agostini
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Publication number: 20150000572Abstract: A precombustor system (300) including an ignition chamber (301) having a front wall (308), a central axis, a diameter Dic, and an outlet (313) configured to discharge a product gas (315). The ignition chamber (301) includes a central ignition oxygen injector (307) configured to inject a first oxygen stream from the front wall (308) substantially parallel to the central axis, and a tangential primary fuel injector (303) configured to inject a primary fuel stream tangential to the central axis at a location an axial distance Xpf downstream of the front wall (308). The ratio Xpf/Dic is from 0.25 to 4.0. The central axis forms an angle a with a vertical line of less than or equal to about 45 degrees. The trajectory of the primary fuel stream forms an angle ? with a plane that is perpendicular to the central axis of less than or equal to about 20 degrees. A method for combustion is also disclosed.Type: ApplicationFiled: November 7, 2012Publication date: January 1, 2015Inventors: Mark Daniel D'Agostini, Aleksandar Georgi Slavejkov, Stephane Bernard Poussou, Xiaoyi He, Francis Anthony Milcetich
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Publication number: 20140305356Abstract: A wide-flame solid fuel/oxygen burner including a fuel nozzle having an aspect ratio of at least about 2 defined by the ratio of a fuel nozzle width, W, measured along a major axis centerline, to a fuel nozzle height, H, measured along a minor axis centerline, and long walls spaced substantially symmetrically from the major axis centerline, the fuel nozzle having an inlet width, WN; and a pair of guide vanes positioned on either side of the major axis centerline between that centerline and an adjacent long wall, the guide vanes diverging from the major axis centerline in the flow direction by an angle such that the guide vanes are closer together at an upstream end and farther apart at a downstream end, thereby forming a central diffuser between the guide vanes and an outer converging nozzle between each guide vane and one of the long walls.Type: ApplicationFiled: March 25, 2014Publication date: October 16, 2014Applicant: Air Products and Chemicals, Inc.Inventors: Mark Daniel D'Agostini, Stephane Bernard Poussou
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Publication number: 20140305355Abstract: A solid fuel/oxygen burner including a central oxygen conduit extending toward a tip end of the burner, an outer fuel conduit surrounding the oxygen conduit, an inner fuel conduit positioned between the oxygen conduit and the outer fuel conduit to form an inner annulus in conjunction with the oxygen conduit and an outer annulus in conjunction with the outer fuel conduit, the inner fuel conduit having an outlet end upstream of the tip end, a truncated conical divider within the outer fuel conduit surrounding the oxygen conduit downstream of the inner fuel conduit for dividing a fuel stream in the outer fuel conduit into an inner annular conical diffuser and an outer annular converging nozzle, and at least three radial guide vanes within the diffuser, wherein the outlet end of the inner fuel conduit is spaced apart from an inlet end of the divider by a distance, X.Type: ApplicationFiled: March 25, 2014Publication date: October 16, 2014Applicant: Air Products And Chemicals, Inc.Inventors: Mark Daniel D'Agostini, Francis Anthony Milcetich
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Patent number: 8689710Abstract: A precombustor having a chamber having a first end and a second end, and an inlet configured to deliver a substantially parallel flow of solid fuel surrounded by oxygen at the first end. The first end further includes a recirculation step and the second end fluidly communicates with a furnace. The inlet and the recirculation step are arranged to form a recirculation zone of at least a portion of the solid fuel and the oxygen. A combustion system and method for operating a combustion system are also disclosed.Type: GrantFiled: September 26, 2008Date of Patent: April 8, 2014Assignee: Air Products and Chemicals, Inc.Inventors: Aleksandar Georgi Slavejkov, Xiaoyi He, Mark Daniel D'Agostini, Reed Jacob Hendershot
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Patent number: 8578892Abstract: A combustion system and method for operating a combustion system, such as a furnace or boiler. The method includes providing a burner system having one or more burner elements configured to combust solid fuel and one or more oxygen providing devices configured to introduce oxygen into the near burner zone of one or more burner flames. A sensor is provided and arranged and disposed to measure a flame parameter in the near burner zone of the burner flame associated with one or more the burner elements. The flame parameter is measured with the sensor and an oxygen flow is determined in response to the measured flame parameter. Oxygen flow is introduced to one or more locations in the combustion system with the one or more oxygen providing devices.Type: GrantFiled: June 13, 2008Date of Patent: November 12, 2013Assignee: Air Products and Chemicals, Inc.Inventors: Mark Daniel D'Agostini, Jeffrey William Kloosterman, Kevin Boyle Fogash
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Patent number: 8555796Abstract: An oxy/fuel combustion system having a furnace arranged and disposed to combust a fuel to form a combustion fluid. The system further includes a convective section having at least one heat exchanger arranged and disposed to exchange heat between the combustion fluid and steam for use in a steam turbine. A flue gas recycle is arranged and disposed to recycle at least a portion of the combustion fluid as a recycled flue gas, the flue gas recycle having at least two expellant locations downstream of a primary combustion zone. The system includes a flow control mechanism that provides controlled amounts of the recycled flue gas to the at least two expellant locations to control temperature of the steam.Type: GrantFiled: September 26, 2008Date of Patent: October 15, 2013Assignee: Air Products and Chemicals, Inc.Inventor: Mark Daniel D'Agostini
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Patent number: 8512033Abstract: A burner includes separate fuel and oxidant conduits. The fuel conduit has inlet, transitional, and outlet sections, and the oxidant conduit has inlet and outlet sections. The burner has a longitudinal axis and including a burner tip having a first elongated edge adjacent a flow of the fuel, and a second elongated edge adjacent a flow of an oxidant and forming a primary tip angle (?) of less than about 15° from a line parallel to the longitudinal axis and intersecting an upstream surface parallel to the longitudinal axis. The first elongated edge and the second elongated edge form a secondary tip angle (?) greater than the primary tip angle (?) and less than about 90° from a line tangent to and extending from the first elongated edge in the direction of the flow of the fuel.Type: GrantFiled: May 4, 2007Date of Patent: August 20, 2013Assignee: Air Products and Chemicals, Inc.Inventors: Mark Daniel D'Agostini, Kevin Alan Lievre
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Patent number: 8480769Abstract: Disclosed is a cyclonic gasifier and cyclonic gasification method. The cyclonic gasifier and cyclonic gasification method involve a chamber having a first portion proximal to a first end and a second portion proximal to a second end, introducing a first fuel to the first portion of the chamber, introducing a second fuel to the chamber; and introducing a first oxidant to accelerate the velocity of the first fuel and swirl the first fuel from the first portion toward the second portion.Type: GrantFiled: July 29, 2010Date of Patent: July 9, 2013Assignee: Air Products and Chemicals, Inc.Inventor: Mark Daniel D'Agostini
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Patent number: 8478446Abstract: A method of configuration of combustion process control. The method includes providing a combustion system having a plurality of burner elements, a plurality of gas injection points and a controller. The gas injection points are configured to provide a support gas. One or more tasks for operation of the combustion system are determined. A plurality of groupings of the gas injection points are determined for each of the one or more tasks. An individual ranking for each of the plurality of groupings is determined in response to the one or more tasks. A composite ranking of injection points in response to the individual rankings and the controller is configured to operate the plurality of gas injection points in response to the composite ranking. A combustion system and a method for operating a combustion system are also disclosed.Type: GrantFiled: June 13, 2008Date of Patent: July 2, 2013Assignee: Air Products and Chemicals, Inc.Inventors: Jeffrey William Kloosterman, Mark Daniel D'Agostini, Kevin Boyle Fogash
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Patent number: 8454354Abstract: An oxy-fuel burner that co-fires liquid fuel and gaseous fuel to create a more luminous flame. The characteristics of a liquid fuel spray and the gaseous fuel and primary oxidant gas flows, as well as the geometry of the burner is adapted to shroud the liquid fuel from the primary oxidant until it exits a precombustor and to prevent the liquid fuel from contacting the walls of the precombustor.Type: GrantFiled: May 8, 2008Date of Patent: June 4, 2013Assignee: Air Products and Chemicals, Inc.Inventors: Matthew James Watson, Mark Daniel D'Agostini, Jin Cao, Aleksandar Georgi Slavejkov
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Publication number: 20130122442Abstract: A fluid-cooled through-port oxy-fuel burner for converting an air-fuel regenerator port from air-fuel combustion to oxy-fuel combustion and an associated furnace and method. The oxy-fuel burner is suitable for installing through a regenerator port neck. The burner has an elbow-like bend to accommodate the geometry of the regenerator port neck. The burner has a cooling fluid jacket, a fuel conduit, a first oxidant conduit, and optionally an oxidant staging conduit.Type: ApplicationFiled: November 15, 2011Publication date: May 16, 2013Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Mark Daniel D'AGOSTINI, Michael Edward HABEL, Matthew James WATSON