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公开(公告)号：US20240360053A1
公开(公告)日：2024-10-31
申请号：US18623577
申请日：2024-04-01
发明人： Selma S. Lawrence , Hassan Sharifi , Tania M. Almazan , Priya Rao , Mark A. Rooney , David Spicer , Stephen R. Phillips
IPC分类号： C07C5/327 , B01D3/38 , B01J6/00 , C02F1/04 , C02F101/10 , C02F101/32 , C10G9/36
CPC分类号： C07C5/327 , B01D3/38 , B01J6/008 , C02F1/04 , C10G9/36 , C02F2101/101 , C02F2101/32 , C10G2300/1081 , C10G2400/20
摘要： A process for producing a C2-C4 olefin product from an ethane-containing hydrocarbon feed can be carried out using a steam cracker operated with an elevated coil-outlet pressure, thereby reducing the number of stages of compression required for recovering products from the steam cracker effluent. Coke can be effectively managed in the processes of this disclosure.
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公开(公告)号：US20240344693A1
公开(公告)日：2024-10-17
申请号：US18615792
申请日：2024-03-25
发明人： David Spicer , Melissa J. Bishop
CPC分类号： F23C6/045 , F23C7/008 , F23C2202/10
摘要： Disclosed is a staged-air burner device capable of high energy efficiency, high flame stability, combusting multiple readily switchable fuels ranging from pure hydrogen, to any hydrogen/methane mixture, to pure methane, and generating a low level of NOx. The burner device can include: a primary air chamber receiving a primary air and a flue gas; a burner tube capable of receiving a fuel jet and drawing in the air-flue gas mixture from the primary air chamber; a burner tip discharging the fuel-air-flue gas mixture formed in the burner tube to a first combustion zone and a second combustion zone via center orifices and side orifices on the burner tip, respectively; and a staged air chamber receiving staged air and discharging it via staged air ports into a third combustion zone. Combustion of the fuel occurs in at least one of the first, second, and third combustion zones.
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3.发明公开公开(公告)号：US20240247194A1
公开(公告)日：2024-07-25
申请号：US18405762
申请日：2024-01-05
发明人： Kara R. Radford , David Spicer , Saurabh S. Maduskar , Theodore W. Walker , Alison M. Miller , Steven M. Slack
摘要： Processes for removing deposits from a pump-around loop or simply loop. The process can include isolating a first and a second end of the loop in fluid communication with a vessel to provide an isolated section. The isolated section can include a first conduit disposed within a convection section of a steam cracking furnace or a heat exchanger that is external to the steam cracking furnace that can include char therein. The first end can be connected to an aqueous fluid/oxidant source. The second end can be connected to a second conduit disposed within the convection section. An aqueous fluid/oxidant mixture can be introduced into the first end that can be heated by flowing through the isolated section. The heated mixture can flow through the second conduit to produce a second heated mixture that can be introduced into a radiant section of the steam cracking furnace.
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4.发明公开公开(公告)号：US20240247193A1
公开(公告)日：2024-07-25
申请号：US18405088
申请日：2024-01-05
发明人： Kara R. Radford , David Spicer , Saurabh S. Maduskar , Theodore W. Walker , Alison M. Miller , Steven M. Slack
CPC分类号： C10G1/10 , C10G1/002 , C10G9/20 , C10G9/36 , C10G70/046 , C10G2300/1003 , C10G2300/1033 , C10G2300/1037 , C10G2300/202 , C10G2300/4006 , C10G2300/4037 , C10G2300/4081 , C10G2300/802 , C10G2300/807 , C10G2400/20
摘要： Processes and systems for hydrocarbon pyrolysis. In some embodiments, a hydrocarbon can be heated within a convection section of a steam cracking furnace and combined with an aqueous fluid to produce a heated mixture. A heavy feed that includes a plastic material can be introduced into a vessel and a portion of the plastic material can be cracked therein. Liquid and vapor effluents exiting the vessel can be obtained. At least a portion of the liquid effluent can be heated to produce a heated fluid stream that can be recycled to the vessel. The vapor effluent can be combined with the heated mixture to produce a combined mixture that can be heated within the convection section to produce a heated combined mixture. At least a portion of the heated combined mixture can be cracked within a radiant section of the steam cracking furnace to produce a steam cracker effluent.
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