Apparatus and method for mixing gaseous fuel and air for combust

Details Apparatus and method for mixing gaseous fuel and air for combust Apparatus and method for mixing gaseous fuel and air for combust

1994-03-18

1996-05-14

Thorpe, Timothy S.

Power plants

Combustion products used as motive fluid

Combustion products generator

60760, 239434, F23R 354

Patent

active

055156800

ABSTRACT:
An apparatus for mixing gaseous fuel and air for combustion, particularly premixing-type combustion in a gas turbine, has a conduit providing a passage for flow of the air with a reverse bend defined by opposed first and second wall portions that bound respectively the outside and the inside of said reverse bend as seen in a longitudinal section. The reverse bend establishes a flow region of air having a velocity gradient extending transversely across the conduit from a high velocity zone adjacent the first side wall portion at the outside of the reverse bend to a low velocity zone. Injection means for the gaseous fuel injects the fuel from the first side wall portion into the high velocity zone with a velocity component transverse to the air flow and in a direction towards the low velocity zone. Rapid and uniform mixing is obtained.

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patent: 5121597 (1992-06-01), Urushidani et al.
patent: 5216885 (1993-06-01), Taniguchi et al.

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