发明名称 |
FUEL NOZZLE FOR GAS TURBINE COMBUSTOR |
摘要 |
A fuel nozzle for gas turbine combustor of the present invention includes a diffusion combustion burner including a diffusion fuel nozzle, a premixing combustion burner including a premixing fuel nozzle, an end flange to which the diffusion combustion burner and the premixing combustion burner are mechanically joined, and a diffusion combustion burner support which fixes the diffusion combustion burner to the end flange and is mounted around the premixing fuel nozzle in a manner to cover a root portion of the premixing fuel nozzle, the root portion being a junction between the premixing fuel nozzle and the end flange. An outside diameter of the premixing fuel nozzle longitudinally varies in a manner to progressively increase toward the junction. A maximum diameter of the root portion of the premixing fuel nozzle is greater than an inside diameter of a hole formed in the diffusion combustion burner support. |
申请公布号 |
US2016377294(A1) |
申请公布日期 |
2016.12.29 |
申请号 |
US201615188185 |
申请日期 |
2016.06.21 |
申请人 |
MITSUBISHI HITACHI POWER SYSTEMS, LTD. |
发明人 |
WADAYAMA Yoshihide;KUMAGAI Satoshi;WADA Yasuhiro;TAKAHASHI Hirokazu |
分类号 |
F23R3/34;F02C7/228;F23R3/28;F02C7/22 |
主分类号 |
F23R3/34 |
代理机构 |
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代理人 |
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主权项 |
1. A fuel nozzle for gas turbine combustor, comprising:
a diffusion combustion burner including a diffusion fuel nozzle for spraying a diffusion combustion fuel into a combustion chamber; a premixing combustion burner including a premixing fuel nozzle for spraying a premixing fuel into a premixer; an end flange to which the diffusion combustion burner and the premixing combustion burner are mechanically joined; and a diffusion combustion burner support which fixes the diffusion combustion burner to the end flange and is mounted around the premixing fuel nozzle in a manner to cover a root portion of the premixing fuel nozzle, the root portion being a junction between the premixing fuel nozzle and the end flange, wherein an outside diameter of the premixing fuel nozzle longitudinally varies in a manner to progressively increase toward the junction, and wherein a maximum diameter of the root portion of the premixing fuel nozzle is greater than an inside diameter of a hole formed in the diffusion combustion burner support. |
地址 |
Yokohama JP |