Title:
GAS FUEL BURNING BURNER
Document Type and Number:
Japanese Patent JP3452632
Kind Code:
B2
Abstract:
PURPOSE: To provide a gas fuel burning burner which can always stably burn even under conditions of a wide load range and wide operations.
CONSTITUTION: The gas fuel burning burner comprises a primary air pipeline provided along a burner axis, a flame stabilizing impeller 30 provided near a furnace side end of the pipeline, a secondary air pipeline provided around the primary air pipeline, a tertiary air pipeline provided at its outside, and a plurality of gas fuel injection gas spuds 20 provided near a furnace side opening of the tertiary air pipeline. A ring of I-, L-or T-shaped section is provided on a surface of the impeller at the furnace side, and a sub-hole 5 in which gas fuel is injected toward an outer periphery of the ring to be collided and a main hole 4 in which the fuel is injected toward the furnace are provided at an end of each of the spuds 20.
Inventors:
Koda Fumio
Shigeki Morita
Shigeki Morita
Application Number:
JP6135694A
Publication Date:
September 29, 2003
Filing Date:
March 30, 1994
Export Citation:
Assignee:
Babcock Hitachi Ltd.
International Classes:
F23D14/22; F23D14/58; F23D14/74; (IPC1-7): F23D14/22; F23D14/58; F23D14/74
Domestic Patent References:
| JP6262114A | ||||
| JP58208U |
Attorney, Agent or Firm:
Takenaga Kawakita