发明名称 |
Gas turbine combustor having multiple independently operable burners and staging method thereof |
摘要 |
In a combustor of a gas turbine which has a pilot nozzle being installed to the center of the axis of a combustor basket and a plurality of main nozzles being installed to the vicinity of the pilot nozzle and provided with a premixing tool on the outer circumference thereof, wherein, fuel being injected as air-fuel pre-mixture from the main nozzle into the interior of a transition piece forming a combustion chamber downstream of the combustor basket is ignited by diffusion flame being generated by the pilot nozzle in the transition piece so as to generate a premixed flame in the transition piece, wherein combustion is performed by a part of the plurality of main nozzles from start-up until a predetermined load rate and then performed by adding the remaining portion of the plurality of main nozzles when the predetermined load rate is exceeded.
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申请公布号 |
US7797942(B2) |
申请公布日期 |
2010.09.21 |
申请号 |
US20050266202 |
申请日期 |
2005.11.04 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
SAITOH TOSHIHIKO;OHTA MASATAKA;AKAMATSU SHINJI;NOSE MASAKAZU |
分类号 |
F02C1/00;F02G3/00 |
主分类号 |
F02C1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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