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1. 发明公开

EP4361096A1 METHOD AND APPARATUS FOR PROCESSING AMMONIA 审中-公开
公开(公告)号：EP4361096A1
公开(公告)日：2024-05-01
申请号：EP22020508.2
申请日：2022-10-24
申请人： Linde GmbH
发明人： Graville, Stephen Rhys , Hibbitt, Ian
IPC分类号： C01B3/04 , C01B3/50 , C01B3/56 , F02C3/24 , F23D14/00 , F23J7/00
CPC分类号： C01B3/047 , F02C3/24 , F23D14/00 , F23J7/00 , C01B3/501 , C01B3/56 , F23C1/12 , F23C99/00 , F23K5/00
摘要： The present invention relates to a method processing ammonia, wherein a furnace arrangement (100) comprising a furnace zone (110), a catalytic zone (120) arranged downstream of, or within, the furnace zone (110), a heat transfer arrangement (130) arranged downstream of the catalytic zone (120), and a heat recovery arrangement (140) arranged downstream of the heat transfer arrangement (120) is used, wherein one or more burners (111) are used to combust a first part of an ammonia feed amount provided by one or more ammonia streams (101) supplied to the one or more burners (111) in the furnace zone (110) using oxygen of one or more oxygen streams (102) supplied to the one or more burners (111) and generating a temperature suitable to catalytically decompose ammonia in the catalytic zone (120), wherein a second part of the ammonia feed amount is catalytically decomposed in the catalytic zone (120) to form hydrogen and nitrogen, wherein heat is transferred, using the heat transfer arrangement (130), to a heat transfer medium (109) and/or to at least a part of the ammonia and/or at least a part of the oxygen, and wherein at least a part of the hydrogen and the nitrogen formed by the catalytic decomposition of the second part of the ammonia feed amount is subjected to at least one of a separation process (210, 220) and a gas turbine process (230). A corresponding apparatus is also part of the present invention.

2. 发明公开

EP4194134A1 METHOD AND DEVICE FOR REMOVING IMPURITIES FROM A FEEDSTOCK WIRE 无效
公开(公告)号：EP4194134A1
公开(公告)日：2023-06-14
申请号：EP21020627.2
申请日：2021-12-09
申请人： Linde GmbH
发明人： Hibbitt, Ian , Coroado, Julio
IPC分类号： B23K9/235 , B23K9/32 , B33Y10/00
摘要： The present invention relates to a method of removing an impurity from a surface of a feedstock wire prior to an additive manufacturing (AM) process comprising the steps of providing a source of the feedstock wire, wherein the source of the feedstock wire comprises a wire spool; and providing an impurity removing chamber around the feedstock wire, wherein the impurity removal chamber is located between the wire spool and a deposition head.

3. 发明公开

EP4046736A1 DEVICE AND METHOD FOR DIRECT ENERGY DEPOSITION ADDITIVE MANUFACTURING (DED) 无效
公开(公告)号：EP4046736A1
公开(公告)日：2022-08-24
申请号：EP21020086.1
申请日：2021-02-22
申请人： Linde GmbH
发明人： Hibbitt, Ian , Coroado, Julio
IPC分类号： B23K9/04 , B23K9/16 , B23K9/32
摘要： The present invention relates to a device and a method for DED or WAAM, comprising a welding torch (1) configured to generate an arc for generating a melt pool on a surface of a workpiece (2), and a wire feeder configured to feed a wire towards the melt pool to generate a weld seam on said surface, and an enclosure (4) enclosing at least part of the workpiece (2) and comprising a process atmosphere with a process gas, wherein a sucking device (5) sucks in part of the process gas and thereafter re-introduces the process gas into the process atmosphere.

4. 发明公开

EP4019162A1 METHOD AND SYSTEM FOR PROVIDING MOLTEN METAL 审中-公开
公开(公告)号：EP4019162A1
公开(公告)日：2022-06-29
申请号：EP20020646.4
申请日：2020-12-23
申请人： Linde GmbH
发明人： Hibbitt, Ian , Howard, Charlie
IPC分类号： B22D41/50 , B22D41/58 , B22D41/60 , B22D46/00 , B22F9/08
摘要： The present invention relates to a method and to a system (100) for providing molten metal, comprising a source (110) of molten metal configured to pour a flow (115) of molten metal out of an outlet (112) of the source (110) of molten metal, a receptacle (120) having an inlet (122) for receiving said flow (115) of molten metal, a channel (130) for guiding said flow (115) of molten metal from the outlet (112) of the source (110) of molten metal to the inlet (122) of the receptacle (120), the channel (130) being configured to provide a flow (135) of inert gas into the channel (130) for inerting the flow (115) of molten metal.

5. 发明公开

EP4008452A1 METHOD OF PROCESSING POWDER 审中-公开
公开(公告)号：EP4008452A1
公开(公告)日：2022-06-08
申请号：EP20020581.3
申请日：2020-12-02
申请人： Linde GmbH, Linde Engineering
发明人： Scholz, Jürgen , Fieret, Jacob , Hibbitt, Ian , Graydon, Glen , Coroado, Julio
IPC分类号： B22F1/00 , B33Y40/10
摘要： The present invention relates to a method of processing powders to dissociate stuck-together particles without altering the chemical composition of the powder. In particular, the method relatres to removal of small particles, often referred to as sattelites, stuck to the surface of larger particles. The powder to be processed is submerged in a cryogenic liquid, and ultrasound waves are transmitted to the powder via the cryogenic liquid to dissociate the stuck-together particles.

6. 发明公开

EP4361095A1 METHOD AND APPARATUS FOR PROVIDING HEAT 审中-公开
公开(公告)号：EP4361095A1
公开(公告)日：2024-05-01
申请号：EP22020507.4
申请日：2022-10-24
申请人： Linde GmbH
发明人： Graville, Stephen Rhys , Hibbitt, Ian
IPC分类号： C01B3/04 , F02C3/24 , F23D14/00 , F23J7/00
CPC分类号： C01B3/047
摘要： The present invention relates to a method for providing heat using a furnace arrangement (100) comprising a first furnace zone (110) a first heat transfer arrangement (130) arranged downstream of the first furnace zone (110), a second furnace zone (120) arranged downstream of the first heat transfer arrangement (130), a second heat transfer arrangement (140) arranged downstream of the second furnace zone (120), and a heat recovery arrangement (150) arranged downstream of the second heat transfer arrangement (140), wherein one or more burners (111) are used to combust a first part of an ammonia feed amount provided by one or more ammonia streams (101) supplied to the one or more burners (111) in the first furnace zone (110) using oxygen of one or more first oxygen containing streams (102) supplied to the one or more burners (111) and generating a temperature suitable to thermally decompose ammonia, wherein a second part of the ammonia feed amount is thermally decomposed in the first furnace zone (110) to form hydrogen and nitrogen, wherein one or more feed lances (121, 122) are used to provide oxygen to the second furnace zone (120) using one or more second oxygen containing streams (103) supplied to the one or more feed lances (121, 122), wherein heat is transferred, using the first heat transfer arrangement (130) and/or the second heat transfer arrangement (140), to a heat transfer medium. A corresponding apparatus is also part of the invention.

7. 发明公开

EP3766609A1 METHOD AND DEVICE FOR PURGING A PRODUCTION SPACE FOR METAL POWDER PRODUCTION 审中-公开
公开(公告)号：EP3766609A1
公开(公告)日：2021-01-20
申请号：EP19020434.7
申请日：2019-07-18
申请人： Linde GmbH
发明人： Hibbitt, Ian , Graydon, Glen
IPC分类号： B22F9/08 , B22F9/10
摘要： The present invention refers to a method and a device for purging a production space for metal powder production wherein a liquid inert cryogen is fed to the production space in order to reduce oxygen and/or moisture levels in the production space.

8. 发明公开

EP4361094A1 METHOD AND APPARATUS FOR PROCESSING AMMONIA 审中-公开
公开(公告)号：EP4361094A1
公开(公告)日：2024-05-01
申请号：EP22020506.6
申请日：2022-10-24
申请人： Linde GmbH
发明人： Graville, Stephen Rhys , Hibbitt, Ian
IPC分类号： C01B3/04 , F02C3/24 , F23D14/00 , F23J7/00 , C01B3/50
CPC分类号： C01B3/047 , F02C3/24 , C01B2203/040520130101 , C01B2203/04320130101 , C01B2203/0620130101 , C01B3/50
摘要： The present invention relates to a method for processing ammonia, wherein a furnace arrangement (100) comprising a furnace zone (110), a heat transfer arrangement (120) arranged downstream of the furnace zone (110), and a heat recovery arrangement (130) arranged downstream of the heat transfer arrangement (120) is used, wherein one or more burners (111) are used to combust a first part of an ammonia feed amount provided by one or more ammonia streams (101) supplied to the one or more burners (111) in the furnace zone (110) using oxygen of one or more oxygen containing streams (102) supplied to the one or more burners (111) and generating a temperature suitable to thermally decompose ammonia, wherein a second part of the ammonia feed amount is thermally decomposed in the furnace zone (110) to form hydrogen and nitrogen, wherein heat is transferred, using the heat transfer arrangement (120), to a heat transfer medium (109) and/or to at least a part of the ammonia and/or at least a part of the oxygen, and wherein at least a part of the hydrogen and the nitrogen formed by the thermal decomposition of the second part of the ammonia feed amount is subjected to at least one of a separation process (210, 220) and purification for direct use of hydrogen as a feedstock or fuel, or for power production using a gas turbine process (230). A corresponding apparatus is also part of the present invention.

9. 发明公开

EP3798562A1 A METHOD AND AN ARRANGEMENT FOR MELTING AND DECANTING A METAL 审中-公开
公开(公告)号：EP3798562A1
公开(公告)日：2021-03-31
申请号：EP19020539.3
申请日：2019-09-25
申请人： Linde GmbH
发明人： Hibbitt, Ian , Blum, Ingomar , Graydon, Glen , Mickler, Moritz
IPC分类号： F27B14/08 , B22D35/02 , B22D41/04
摘要： The invention relates to a method for melting and decanting a metal (7) into a tundish (3), wherein a liquefied inert shielding gas (20) is supplied to a melt of the metal (7) during melting, wherein the liquefied shielding gas (20) is supplied to the metal (7) through at least two different lance outlet nozzles (61, 62, 61a, 62a), wherein the liquefied shielding gas (20) is supplied during melting through one (61, 61a) of the at least two lance outlet nozzles (61, 62, 61a, 62a) to the metal (7) located in a crucible (1) and wherein the liquefied shielding gas (20) is supplied during decanting through another one (62, 62a) of the at least two lance outlet nozzles (61, 62, 61a, 62a) to a flow of the decanting molten metal and/or to the metal (7) located in the tundish (3).

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