EP 1580486 A1 20050928 - Burner, fuel combustion method and boiler retrofit method
Title (en)
Burner, fuel combustion method and boiler retrofit method
Title (de)
Brenner, Verbrennungsverfahren und Kessel-Umstellverfahren
Title (fr)
Brûleur, procédé de combustion et méthode d'adaption d'une chaudière existante
Publication
Application
Priority
JP 2004086006 A 20040324
Abstract (en)
In a burner of construction having a primary nozzle (4), a secondary nozzle (8) and a tertiary nozzle (9), a partition wall (1, 2) partitioning the secondary nozzle (8) and the tertiary nozzle (9) and having a flow path change member (3) provided thereon, the partition wall (2) is formed so as to be movable in parallel to the burner axis to control jetting speeds and flow rates of secondary air and tertiary air, whereby it is possible to cool the burner constituent members while reducing NOx. The partition wall (1, 2) is composed of a fixed wall (1) and a movable wall (2). The burner comprises a bypass passage (16, 19) through which tertiary air in the tertiary nozzle (9) bypasses the tertiary nozzle to flow into the secondary nozzle (8) or the primary nozzle (4).
IPC 1-7
IPC 8 full level
F23C 99/00 (2006.01); F23C 7/00 (2006.01); F23D 1/00 (2006.01); F23D 1/02 (2006.01); F23L 13/06 (2006.01); F23N 3/04 (2006.01)
CPC (source: EP KR US)
F23C 7/008 (2013.01 - EP US); F23D 1/04 (2013.01 - KR); F23D 23/00 (2013.01 - KR); F23D 2900/00003 (2013.01 - EP US); F23D 2900/11402 (2013.01 - EP US)
Citation (search report)
- [Y] GB 2070761 A 19810909 - KAWASAKI HEAVY IND LTD
- [Y] US 4602571 A 19860729 - CHADSHAY ROMAN [US]
- [A] EP 0852315 A1 19980708 - BABCOCK HITACHI KK [JP]
- [A] EP 0893649 A2 19990127 - HITACHI LTD [JP], et al
- [A] EP 0690264 A2 19960103 - HITACHI LTD [JP], et al
Designated contracting state (EPC)
DE FI GB
DOCDB simple family (publication)
EP 1580486 A1 20050928; AU 2005200690 A1 20051013; AU 2005200690 B2 20060511; AU 2005200690 B9 20060615; CA 2496644 A1 20050924; CA 2496644 C 20090707; CN 1321288 C 20070613; CN 1673620 A 20050928; JP 2005273973 A 20051006; JP 4261401 B2 20090430; KR 20060042080 A 20060512; US 2005211142 A1 20050929
DOCDB simple family (application)
EP 05003484 A 20050218; AU 2005200690 A 20050216; CA 2496644 A 20050210; CN 200510009372 A 20050221; JP 2004086006 A 20040324; KR 20050013336 A 20050218; US 6261405 A 20050222