Modular drop-in combustor assembly for industrial gas turbine and method for installation
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B23P-019/00
F01D-025/28
F02C-007/00
F23R-003/28
F23R-003/60
출원번호
US-0670741
(2012-11-07)
등록번호
US-9127593
(2015-09-08)
발명자
/ 주소
Sancewich, Glenn E.
Alonso, Jose L.
Ford, Daniel E.
출원인 / 주소
Siemens Energy, Inc.
인용정보
피인용 횟수 :
0인용 특허 :
3
초록▼
A preassembled modular drop-in combustor having internal components in conformity with assembly and function specifications prior to and after insertion into an industrial gas turbine access port and internal combustor transition. The combustor assembly maintains conformity with those specifications
A preassembled modular drop-in combustor having internal components in conformity with assembly and function specifications prior to and after insertion into an industrial gas turbine access port and internal combustor transition. The combustor assembly maintains conformity with those specifications after insertion into the combustor case if it does not inadvertently impact other turbine components during its installation. Inadvertent impact is avoided by having a combustor service zone proximal the combustor case, enabling slidable insertion of each combustor assembly into its corresponding access port and transition along its corresponding insertion path without contacting other turbine system components. A multi-axis motion combustor handling tool in the combustor service zone, preferably under automatic control, is coupled to each combustor and facilitates precise alignment along the insertion path. Automatic control facilitates consistent repetitive combustor installation and removal by executing a sequence of stored pre-determined manipulation steps.
대표청구항▼
1. A method for installing a combustor assembly in an assembled industrial gas turbine engine, comprising: providing an assembled industrial gas turbine engine having coupled compressor, combustor, and turbine sections, the combustor section including a combustor case having a combustor access port
1. A method for installing a combustor assembly in an assembled industrial gas turbine engine, comprising: providing an assembled industrial gas turbine engine having coupled compressor, combustor, and turbine sections, the combustor section including a combustor case having a combustor access port and a transition therein that is coaxially aligned with the access port along a combustor insertion path;providing a preassembled modular drop-in combustor assembly having a mounting flange adapted for coupling to the combustor access port and a combustor basket adapted for slidable coupling with the transition once the combustor assembly is inserted into the combustor access port and transition along the combustor insertion path;preparing a combustor service zone surrounding the assembled gas turbine engine, for facilitating slidable insertion of the combustor assembly into the combustor access port along the combustor insertion path without contacting other gas turbine engine external or internal components, the combustor service zone having axial depth at least between the combustor section combustor access port and the compressor section, as well as vertical height and lateral width at least as large as corresponding height and width of the combustor case;providing a powered combustor handling tool (CHT), for slidably inserting the combustor assembly into the combustor access port along the combustor insertion path, the CHT confined within the combustor service zone during combustor assembly insertion, the CHT including:a vertical support column anchored outboard the combustor case within the combustor service zone axial depth;a lifting platform, coupled to the vertical support column, for selectively varying vertical elevation within combustor service zone;a combustor gripper, for coupling to the combustor assembly;a combustor alignment platform, coupled to the lifting platform and the combustor gripper, the combustor alignment platform including,a first slider set for providing selective linear translation of the combustor gripper orthogonally with respect to the vertical support column in a lateral width direction within the combustor service zone;a second slider set for providing selective linear translation of the combustor gripper orthogonally with respect to the vertical support column in an axial depth direction within the combustor service zone;a first turret assembly for providing selective tilting inclination/declination of the combustor gripper within the combustor service zone;and a second turret assembly for providing selective sweep/pan pivoting movements of the combustor gripper within the combustor service zone; anda drive system for driving the lifting platform and the combustor alignment platform elevation, translation and pivoting motions during combustor assembly insertion along the combustor insertion path;coupling the combustor assembly to the combustor gripper;slidably inserting the combustor assembly into the combustor access port and transition along the insertion path with the CHT, without contacting other gas turbine engine external or internal turbine components within or outside of the combustor service zone, while confining the CHT within the combustor service zone during the combustor assembly insertion; andcoupling the combustor assembly mounting flange to the combustor access port. 2. The method of claim 1, comprising inspecting the combustor assembly for conformity with assembly and function specifications prior to the inserting and maintaining said assembly specifications after the inserting and coupling steps. 3. The method of claim 1, comprising a controller coupled to the drive system for automatically controlling the combustor handling tool, the controller having a sequence of pre-determined combustor assembly insertion manipulation steps. 4. The method of claim 3, comprising installing a plurality of combustor assemblies in the gas turbine with the combustor handling tool, each respective combustor assembly having a sequence of pre-determined combustor insertion manipulation steps. 5. The method of claim 1, the preassembled modular drop-in combustor assembly having internal components in conformity with assembly and function specifications prior to and after insertion into the combustor access port so long as the combustor assembly does not impact other turbine components during insertion. 6. The method of claim 5, further comprising providing combustor assembly fastening elements for coupling the mounting flange to the combustor gripper. 7. An industrial gas turbine engine combustor assembly installation system, comprising: an assembled industrial gas turbine engine having coupled compressor, combustor, and turbine sections, the combustor section including a combustor case having a combustor access port and a transition therein that is coaxially aligned with the combustor access port along a combustor insertion path;a preassembled modular drop-in combustor assembly having a mounting flange adapted for coupling to the combustor access port and a combustor basket adapted for slidable coupling with the transition once the combustor assembly is inserted into the combustor access port and transition along the combustor insertion path;a combustor service zone surrounding the assembled gas turbine engine, for facilitating slidable insertion of the combustor assembly into the combustor access port along the combustor insertion path without contacting other gas turbine engine external or internal components, the combustor service zone having axial depth at least between the combustor section combustor access port and the compressor section, as well as vertical height and lateral width at least as large as corresponding height and width of the combustor case;a powered combustor handling tool (CHT), for slidably inserting the combustor assembly into the combustor access port along the combustor insertion path, the CHT confined within the combustor service zone during combustor assembly insertion, so as to avoid contacting other gas turbine engine external or internal turbine components within or outside of the combustor service zone, the CHT including:a vertical support column anchored outboard the combustor case within the combustor service zone axial depth;a lifting platform, coupled to the vertical support column, for selectively varying vertical elevation within combustor service zone;a combustor gripper coupled to the combustor assembly;a combustor alignment platform, coupled to the lifting platform and the combustor gripper, the combustor alignment platform includinga first slider set for providing selective linear translation of the combustor gripper orthogonally with respect to the vertical support column in a lateral width direction within the combustor service zone;a second slider set for providing selective linear translation of the combustor gripper orthogonally with respect to the vertical support column in an axial depth direction within the combustor service zone;a first turret assembly for selective tilting inclination/declination of the combustor gripper within the combustor service zone;and a second turret assembly for selective sweep/pan pivoting movements of the combustor gripper within the combustor service zone; anda drive system for driving the lifting platform and the combustor alignment platform elevation, translation and pivoting motions during combustor assembly insertion along the combustor insertion path. 8. The system of claim 7, each combustor assembly having internal components in conformity with assembly and function specifications prior to and after insertion into the combustor access port so long as the combustor assembly does not impact other turbine system components during insertion. 9. The system of claim 7, comprising a controller coupled to the CHT drive system and controlling movement of the combustor handling tool in a sequence of pre-determined combustor insertion manipulation steps. 10. The system of claim 7, the combustor assembly having fastening elements coupled to the mounting flange and the combustor gripper.
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이 특허에 인용된 특허 (3)
Matsui Hiroshi,JPX ; Ishikawa Yoshinobu,JPX ; Munakata Tadashi,JPX ; Kobayashi Yoshikata,JPX ; Takahara Takeshi,JPX ; Nakada Yoshihiko,JPX ; Someya Yukio,JPX, Apparatus and method for disassembling and assembling gas turbine combustor.
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