Machining method, structure and disassembly and assembly method for internal flow channel casing of gas turbine

The invention belongs to the technical field of gas turbine inner runner casing design, and provides a gas turbine inner runner casing machining method, a gas turbine inner runner casing structure and a gas turbine inner runner casing disassembly and assembly method. Stainless steel materials are ad...

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Bibliographische Detailangaben
Hauptverfasser:	HUANG XIAOJUN, LUO HONGBIN, MA FENGKE, ZHANG XIAONING, YANG ZHIZHONG, HAN LENAN, SU LI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBINED OPERATIONS COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES OTHER WORKING OF METAL PERFORMING OPERATIONS STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS
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Beschreibung
Zusammenfassung:	The invention belongs to the technical field of gas turbine inner runner casing design, and provides a gas turbine inner runner casing machining method, a gas turbine inner runner casing structure and a gas turbine inner runner casing disassembly and assembly method. Stainless steel materials are adopted for machining in design, the requirement for the 100 DEG C working temperature of the inner runner casing at a gas turbine inlet can be met, and the high rigidity is achieved; the inner flow channel casing, the mounting plate and the outer side of the inner flow channel casing are not prone to deformation under the action of internal and external air pressure, the inner flow channel casing, the mounting plate and the outer side of the inner flow channel casing are connected and fastened through screws when machined, the surface profile can be guaranteed, gas inlet distortion of the gas turbine can be avoided, in addition, the welding structure is reliable, and it can be avoided that cracks are generated after