公开(公告)号：US20230400184A1

公开(公告)日：2023-12-14

申请号：US18238308

申请日：2023-08-25

申请人： MARATHON PETROLEUM COMPANY LP

发明人： Jon Craig ,  Bruce Li ,  Rick Pasi

IPC分类号： F23N1/02 ,  F23N3/00 ,  F23N5/24

CPC分类号： F23N1/022 ,  F23N3/002 ,  F23N5/242 ,  F23N2900/05001 ,  F23N2225/06 ,  F23N2900/05003

摘要： Systems and methods for reducing NOx and CO emissions in a natural draft heater are disclosed. For example, the disclosure provides embodiments of systems and methods for controlling a draft value within a heater shell to deliver an amount of excess air to a burner to thereby maintain at least one of NOx emissions not exceeding 0.025 lb/MMBtu (HHV) and CO emissions not exceeding 0.01 lb/MMBtu (HHV) in a natural draft heater.

公开(公告)号：US20200378600A1

公开(公告)日：2020-12-03

申请号：US15929932

申请日：2020-05-29

申请人： MARATHON PETROLEUM COMPANY LP

发明人： Jon Craig ,  Bruce Li ,  Rick Pasi

IPC分类号： F23N1/02 ,  F23N3/00 ,  F23N5/24

摘要： Systems and methods for reducing NOx and CO emissions in a natural draft heater are disclosed. For example, the disclosure provides embodiments of systems and methods for controlling a draft value within a heater shell to deliver an amount of excess air to a burner to thereby maintain at least one of NOx emissions not exceeding 0.025 lb/MMBtu (HHV) and CO emissions not exceeding 0.01 lb/MMBtu (HHV) in a natural draft heater.