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1. 发明申请

US20190264911A1 SELF-RECUPERATIVE BURNER 审中-公开
公开(公告)号：US20190264911A1
公开(公告)日：2019-08-29
申请号：US16347837
申请日：2017-10-13
申请人： ESA S.P.A.
发明人： Andrea Baio , Milco Dalfovo
IPC分类号： F23D14/24 , F23L15/04 , F23L17/16
摘要： A self-recuperative burner comprising: a burner body having an exchanger; said exchanger comprises a first duct for the combustion air and a second duct for the flue gases: at least one first flue gas discharge pipe; characterized in that it comprises an air inlet duct leading to a first annular chamber concentric to said at least one first flue gas discharge pipe; said first annular chamber being connected also to a Venturi tube positioned inside said at least one first flue gas discharge pipe.

2. 发明授权

US11300289B2 Radiant tube recuperative burner assembly 有权
公开(公告)号：US11300289B2
公开(公告)日：2022-04-12
申请号：US17428675
申请日：2020-01-27
申请人： ESA S.P.A.
发明人： Andrea Baio , Milco Dalfovo
IPC分类号： F23D14/12 , F23L15/04 , F23D14/66 , F23C9/00
摘要： A radiant tube recuperative burner assembly having a heat exchanger (13) and a burner (11); said heat exchanger (13) comprises: a first inner tube (15); a second heat exchanger tube (16) coaxial and external to the first tube (15); a third tube (24) coaxial and external to said second tube (16); a fourth tube (35) positioned perpendicular to said first tube (15); a fifth tube (36) coaxial and internal to said fourth tube (35); a flue gas outlet passage (27) positioned inside said fifth tube (36); a first gap (17) between said first tube (15) and said second tube (16); a second gap (25) between said third tube (24) and said second tube (16); a sixth gap (40) between said fourth tube (35) and said fifth tube (36); said first gap (17) communicates with said sixth gap (40); said second gap (25) communicates with said flue gas outlet passage (27); a Venturi tube (41, 52) positioned transverse to said fifth tube (36); the inlet of the Venturi tube (41, 52) communicates with said sixth gap (40); said Venturi tube (41, 52) has an outlet that is in communication with said flue gas outlet passage (27); and with a connection pipe (42) between said heat exchanger (13) and said burner (11).

3. 发明授权

US11047571B2 Self-recuperative burner 有权
公开(公告)号：US11047571B2
公开(公告)日：2021-06-29
申请号：US16347837
申请日：2017-10-13
申请人： ESA S.P.A.
发明人： Andrea Baio , Milco Dalfovo
IPC分类号： F23D14/24 , F23L15/04 , F23L17/16
摘要： A self-recuperative burner comprising: a burner body having an exchanger; said exchanger comprises a first duct for the combustion air and a second duct for the flue gases: at least one first flue gas discharge pipe; characterized in that it comprises an air inlet duct leading to a first annular chamber concentric to said at least one first flue gas discharge pipe; said first annular chamber being connected also to a Venturi tube positioned inside said at least one first flue gas discharge pipe.

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