Cooling unit for swilrer vane of combustion burner

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United States of America Patent

PATENT NO 9574775
APP PUB NO 20140331679A1
SERIAL NO

14340210

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Importance

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Abstract

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A combustion burner including a fuel nozzle, a burner tube that surrounds the fuel nozzle to form an air passage between the burner tube and the fuel nozzle, swirler vanes that are arranged in a circumferential direction on an external circumferential surface of the fuel nozzle, a liquid fuel injecting hole that is formed on the fuel nozzle, and from which a liquid fuel is injected to a vane pressure surface of each of the swirler vanes, and a cooling unit that cools a part of the vane pressure surface on which the liquid fuel hits. The cooling unit includes a multi-purpose injecting hole that is arranged on the vane pressure surface of each of the swirler vanes, and from which a gas fuel is injected during gas combustion, and water is injected to the vane pressure surface of the swirler vane during combustion of the liquid fuel.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI POWER LTD3-1 MINATOMIRAI 3-CHOME NISHI-KU YOKOHAMA 220-8401

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishizaka, Koichi Hyogo, JP 23 206
Saito, Toshihiko Hyogo, JP 172 2927
Tanimura, Satoshi Hyogo, JP 62 723

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