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公开(公告)号：US10781499B2
公开(公告)日：2020-09-22
申请号：US15873616
申请日：2018-01-17
Applicant: Air Products and Chemicals, Inc.
Inventor： Gregory J. Buragino , Shailesh Pradeep Gangoli , Anshu Gupta , Anup Vasant Sane , Avishek Guha , Xiaoyi He , Michael David Buzinski , Kyle J. Niemkiewicz , Russell James Hewertson
Abstract: A method of operating a BOF bottom stir tuyere having an inner nozzle surrounded by an annular nozzle, including during a hot metal pour phase and a blow phase, flowing an inert gas through both nozzles; during a tap phase, initiating a flow of a first reactant through the inner nozzle and a flow of a second reactant through the annular nozzle, and ceasing the flow of inert gas through the nozzles, wherein the first and second reactants includes fuel and oxidant, respectively, or vice-versa, such that a flame forms as the fuel and oxidant exit the tuyere; during a slag splash phase, continuing the flows of fuel and oxidant to maintain the flame; and after ending the slag splash phase and commencement of another hot metal pour phase, initiating a flow of inert gas through both nozzles and ceasing the flows of the first and second reactants.
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公开(公告)号：US20190293351A1
公开(公告)日：2019-09-26
申请号：US16352642
申请日：2019-03-13
Applicant: Air Products and Chemicals, Inc.
Inventor： Anup Vasant Sane , Gregory J. Buragino , Anandkumar Makwana , Michael David Buzinski , Xiaoyi He , Mark Daniel D'Agostini
Abstract: A system for melting a pelleted charge material including a furnace having a feed end configured to receive a solid pelleted charge material and a discharge end opposite the feed end configured to discharge a molten charge material and a slag, a conveyor configured to feed the pelleted charge material into the feed end of the furnace, at least one oxy-fuel burner positioned to direct heat into a melting zone near the feed end to heat and at least partially melt the pelleted charge material to form the molten charge material and slag, wherein the oxy-fuel burner uses an oxidant having at least 70% molecular oxygen, and at least one flue for exhausting burner combustion products from the furnace.
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公开(公告)号：US09683736B2
公开(公告)日：2017-06-20
申请号：US14356336
申请日：2012-11-07
Applicant: AIR PRODUCTS AND CHEMICALS, INC.
Inventor： Mark Daniel D'Agostini , Aleksandar Georgi Slavejkov , Stephane Bernard Poussou , Xiaoyi He , Francis Anthony Milcetich
CPC classification number: F23C3/008 , F23C6/04 , F23C6/045 , F23D1/02 , F23G5/24 , F23L7/007 , Y02E20/344
Abstract: 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 θ 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.
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公开(公告)号：US09657945B2
公开(公告)日：2017-05-23
申请号：US14721297
申请日：2015-05-26
Applicant: AIR PRODUCTS AND CHEMICALS, INC.
Inventor： Shailesh Pradeep Gangoli , Russell James Hewertson , Anup Vasant Sane , John C. Palazzolo , Xiaoyi He
IPC: F23C5/08 , F23L7/00 , F23N1/00 , F23N3/00 , F23D14/32 , F27B9/30 , C21B9/14 , F27D17/00 , F27D19/00
CPC classification number: F23L7/007 , C21B9/14 , F23C5/08 , F23C2201/20 , F23C2900/05081 , F23C2900/06041 , F23D14/32 , F23D2900/00006 , F23N1/002 , F23N3/002 , F27B9/3044 , F27D17/004 , F27D99/0033 , F27D2017/007 , F27D2019/0003 , F27D2019/0031 , F27D2019/0034 , Y02E20/344
Abstract: An oxy-fuel boost burner for a regenerative furnace having a pair of regenerator ports configured to alternately fire into and exhaust from the furnace, including at least one burner element corresponding to each of the regenerator ports by being positioned to fire into a complimentary region of the furnace, each burner element including a selective distribution nozzle configured to flow a first reactant and a proportional distribution nozzle configured to flow a second reactant, and a controller programmed to identify which regenerator port is currently firing and which is currently exhausting and to independently control the first reactant flow to each selective distribution nozzle such that the at least one burner element corresponding to the currently firing regenerator port has a greater than average first reactant flow and the at least one burner element corresponding to the currently exhausting regenerator port as a less than average first reactant flow.
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公开(公告)号：US20160273765A1
公开(公告)日：2016-09-22
申请号：US15148526
申请日：2016-05-06
Applicant: Air Products and Chemicals, Inc.
Inventor： Anup Vasant Sane , Shailesh Pradeep Gangoli , Aleksander Georgi Slavejkov , Michael David Buzinski , Jeffrey D. Cole , Reed Jacob Hendershot , Xiaoyi He
CPC classification number: F23D14/84 , B60B21/10 , B60B21/102 , B60B21/104 , B60B21/108 , B60B25/045 , B60B25/08 , B60B25/12 , B60B25/14 , B60B2320/10 , B60B2900/116 , B60B2900/521 , B60B2900/523 , B60B2900/541 , B60B2900/711 , B60B2900/721 , B60Y2200/14 , B60Y2200/20 , F23C5/08 , F23N1/02 , F27D19/00 , F27D99/0033 , F27D2019/004 , F27D2099/004
Abstract: A transient heating burner including at least two burner elements each including a distribution nozzle configured to flow a first fluid and an annular nozzle surrounding the distribution nozzle and configured to flow a second fluid, the burner also including a controller programmed to independently control the flow of the first fluid to each distribution nozzle such that at least one of the distribution nozzles is active and at least one of the distribution nozzles is passive, wherein flow in an active distribution nozzle is greater than an average flow to the distribution nozzles and flow in a passive distribution nozzle is less than the average flow to the distribution nozzles, wherein the first fluid contains a reactant that is one of fuel and oxidant and the second fluid contains a reactant that is the other of fuel and oxidant.
Abstract translation: 一种瞬态加热燃烧器，其包括至少两个燃烧器元件，每个燃烧器元件包括分配喷嘴，所述分配喷嘴构造成使第一流体流动，并且围绕分配喷嘴流动的环形喷嘴并且构造成流过第二流体，所述燃烧器还包括被编程为独立地控制 所述第一流体到每个分配喷嘴，使得至少一个所述分配喷嘴是有效的，并且所述分配喷嘴中的至少一个是无源的，其中主动分配喷嘴中的流量大于到所述分配喷嘴的平均流量， 被动分配喷嘴小于到分配喷嘴的平均流量，其中第一流体包含作为燃料和氧化剂之一的反应物，第二流体包含作为燃料和氧化剂中的另一种的反应物。
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Patent Agency Ranking
公开(公告)号：US09360257B2
公开(公告)日：2016-06-07
申请号：US14193698
申请日：2014-02-28
Applicant: AIR PRODUCTS AND CHEMICALS, INC.
Inventor： Anup Vasant Sane , Shailesh Pradeep Gangoli , Aleksandar Georgi Slavejkov , Michael David Buzinski , Jeffrey D. Cole , Reed Jacob Hendershot , Xiaoyi He
CPC classification number: F23D14/84 , B60B21/10 , B60B21/102 , B60B21/104 , B60B21/108 , B60B25/045 , B60B25/08 , B60B25/12 , B60B25/14 , B60B2320/10 , B60B2900/116 , B60B2900/521 , B60B2900/523 , B60B2900/541 , B60B2900/711 , B60B2900/721 , B60Y2200/14 , B60Y2200/20 , F23C5/08 , F23N1/02 , F27D19/00 , F27D99/0033 , F27D2019/004 , F27D2099/004
Abstract: A transient heating burner including at least two burner elements each having a distribution nozzle configured to flow a fuel, and an annular nozzle surrounding the distribution nozzle and configured to flow an first oxidant, at least one staging nozzle configured to flow a second oxidant, and a controller programmed to independently control the fuel flow to each distribution nozzle such that at least one of the distribution nozzles is active and at least one of the distribution nozzles is passive, wherein an active distribution nozzle fuel flow is greater than an average fuel flow to the distribution nozzles and a passive nozzle fuel flow is less than the average fuel flow, and to control a staging ratio to be less than or equal to about 75%.
Abstract translation: 一种瞬时加热燃烧器，其包括至少两个燃烧器元件，每个燃烧器元件具有配置成流动燃料的分配喷嘴，以及围绕分配喷嘴的环形喷嘴，并且构造成流过第一氧化剂，至少一个配置成流过第二氧化剂的分级喷嘴， 控制器，其被编程为独立地控制到每个分配喷嘴的燃料流，使得至少一个分配喷嘴是有源的，并且至少一个分配喷嘴是无源的，其中主动分配喷嘴燃料流量大于平均燃料流量 分配喷嘴和被动喷嘴燃料流量小于平均燃料流量，并且将分级比控制在小于或等于约75％。
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公开(公告)号：US20250027003A1
公开(公告)日：2025-01-23
申请号：US18498564
申请日：2023-10-31
Applicant: Air Products and Chemicals, Inc.
Inventor： Kai Kang , Xiaoyi He , Eugene S. Genkin
IPC: C10L3/00
Abstract: An apparatus and process for oxidant formation can be configured to facilitate improved mixing of for formation of an oxidant. Embodiments can be configured so conduits having a relatively large aspect ratio (e.g., 1.5 to 5 or 1.5 to over 5) can be utilized for improved gas mixing even in situations in which the carrier gas is at a relatively low pressure. Embodiments can also facilitate low nitrogen oxide formation combustion. Some embodiments can additionally provide improved carbon capture.
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公开(公告)号：US20210364237A1
公开(公告)日：2021-11-25
申请号：US17397021
申请日：2021-08-09
Applicant: Air Products and Chemicals, Inc.
Inventor： Gregory J. Buragino , Anup Vasant Sane , Shailesh Pradeep Gangoli , Xiaoyi He , Larry Saul Zelson
Abstract: A method for preheating metal pellets before charging into a melting furnace, wherein the pellets are transported by a conveyor belt to a chute and discharged from the chute into the melting furnace, the method including heating the pellets by direct flame impingement from two or more banks of burners, wherein the two or more banks of burners comprise an upstream bank of burners and a downstream bank of burners; and controlling the upstream bank of burners to operate oxygen-rich so as to create an oxidizing zone and the downstream bank of burners to operate fuel-rich so as to create a reducing zone.
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公开(公告)号：US20190017745A1
公开(公告)日：2019-01-17
申请号：US16025230
申请日：2018-07-02
Applicant: Air Products and Chemicals, Inc.
Inventor： Gregory J. Buragino , Anup Vasant Sane , Shailesh Pradeep Gangoli , Xiaoyi He , Larry Saul Zelson
Abstract: A direct flame impingement system for preheating metal pellets before charging into a melting furnace, wherein the pellets are transported by a conveyor belt to a chute discharging into the melting furnace, including a refractory-lined preheater hood including a chute hood covering the chute and a conveyor hood covering at least a portion of the conveyor belt, the preheater hood having an entrance end through which pellets enter and an exit end through which pellets exit toward the melting furnace, and at least one bank of burners each containing at least one burner disposed in the hood positioned to direct flames into contact with the pellets being transported to preheat the pellets prior to discharge into the melting furnace.
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公开(公告)号：US10036551B2
公开(公告)日：2018-07-31
申请号：US14636287
申请日：2015-03-03
Applicant: AIR PRODUCTS AND CHEMICALS, INC.
Inventor： Tunc Goruney , Xiaoyi He
CPC classification number: F23D14/22 , F23D14/32 , F23D14/48 , F23D14/583 , F23D14/64 , F23D14/70 , Y02E20/344
Abstract: A flat flame oxy-fuel burner including a gaseous fuel nozzle having a hydraulic diameter Dh-NG and a width to height ratio w/a of at least 2; a primary oxidant conduit surrounding the fuel nozzle to form an annular primary oxidant nozzle between the fuel nozzle and the oxidant conduit, the oxidant conduit having a height b, the respective outlet ends of the fuel nozzle and the oxidant nozzle being aligned; and a precombustor extending from the outlet end of the fuel and oxidant nozzles and having a length L and a hydraulic diameter Dh; wherein the ratio L/Dh is non-zero and less than or equal to 4; wherein the ratio L/Dh-NG, is non-zero and less than or equal to 12; and wherein the dimensions a, b, and w are sized to yield a primary oxidant Reynolds number from 200 to 22,000 during burner is operation at 0.05 to 1 MMBtu/hr.
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