A manufacturing method of a 300mw heavy-duty gas turbine nozzle swirler assembly
A manufacturing method and cyclone technology, applied in the direction of manufacturing tools, metal processing equipment, welding equipment, etc., can solve the problems of low production efficiency, achieve the effect of ensuring concentricity requirements, improving one-time pass rate and production efficiency
Active Publication Date: 2021-12-21
HARBIN TURBINE +1
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[0003] Aiming at the problem that the production efficiency of the existing method for manufacturing 300MW heavy-duty gas turbine nozzle swirler assembly is not high, the present invention provides a manufacturing method of 300MW heavy-duty gas turbine nozzle swirler assembly that improves the one-time pass rate and production efficiency
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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0025] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
[0027] A manufacturing method of a 300MW heavy-duty gas turbine nozzle swirler assembly in this embodiment, dete...
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Abstract
A method for manufacturing a 300MW heavy-duty gas turbine nozzle swirler assembly solves the problem of low production efficiency in the existing method for manufacturing a 300MW heavy-duty gas turbine nozzle swirler assembly, and belongs to the technical field of heavy-duty gas turbine manufacturing. The invention includes: making three toolings, determining the assembly and welding sequence of each part, using the end of the No. 1 tooling with a large radius and the No. 2 tooling to assemble the cyclone and the front joint, so that the cyclone and the front joint are coaxial and in contact, and at the same time Assemble the cyclone with the outer ring, and weld the contact position between the cyclone and the front joint; turn over the cyclone, and use the end of the No. 1 tooling with a small radius to make the bellows assembly coaxial and in contact with the cyclone for welding ;Insert the rear joint from the end of the No. 1 tooling with a small radius, pass through the bellows assembly, use the No. 3 tooling to make the rear joint coaxial with the cyclone, and weld the contact position between the rear joint and the cyclone; , The front ring and the cyclone are welded; after the welding is completed, remove the welding positioning tooling.
Description
technical field [0001] The invention relates to a 300MW heavy-duty gas turbine nozzle swirler assembly, in particular to a manufacturing method thereof, and belongs to the technical field of heavy-duty gas turbine manufacturing. Background technique [0002] The 300MW heavy-duty gas turbine nozzle swirler assembly is a welded structure of multi-layer sleeved tube parts, which will affect the manufacturing efficiency of the product if the production sequence is not strictly defined. Because the structure is mostly welded structure of thin-walled parts, the thin-walled parts will be affected by the welding temperature field during the welding process, which will generate internal stress and affect the deformation of the workpiece. However, the rigidity of the thin-walled parts is not enough, and the deformation is particularly serious, and the drawing design is very important. The manufacturing accuracy such as the concentricity of the product is extremely strict (0.3mm). If c...
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IPC IPC(8): B23K26/12B23K26/21B23K26/00
CPCB23K26/123B23K26/21B23K26/0006
Inventor 刘少勇安天成武尚尚隋妍王通沈阳威张仁军孙柏慧刘佳姜学信
Owner HARBIN TURBINE