10MW three-time reheating reaction type air turbine
An air turbine and reactionary technology, applied to engine components, machines/engines, safety devices, etc., can solve the problems of air turbines such as less reheating times, unreasonable design structure, inflexible start-up and operation, etc., and achieve aerodynamic efficiency Optimum, reasonable geometric dimensions, low thermal stress effect
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specific Embodiment approach 1
[0019] Embodiment 1: Combining Figure 1-Figure 4 Illustrating this embodiment, the 10MW three-time reheating reaction air turbine includes a high-speed module, a conventional speed module, a gearbox 11, a No. 1 turbine intake regulating valve 12, and a No. 2 turbine intake pipe 13 , No. 3 turbine intake pipe 14 and No. 4 turbine intake pipe 15; the high-speed module includes No. 1 bearing housing 1, No. 1 turbine cylinder 5, No. 2 bearing housing 2 and high-speed rotor 9, and the conventional speed module includes 3 No. 3 bearing box, No. 2 turbine cylinder 6, No. 3 turbine cylinder 7, No. 4 turbine cylinder 8, No. 4 bearing box 4 and conventional speed rotor 10;
[0020] The No. 1 bearing box 1 is arranged near the intake side of the No. 1 turbine cylinder 5, the No. 2 bearing box 2 is arranged near the exhaust side of the No. 1 turbine cylinder 5, and the high-speed rotor 9 is arranged on the No. 1 bearing box 1 and No. 1 turbine. Inside the bearing housing 2 of cylinder N...
specific Embodiment approach 2
[0023] Specific implementation mode 2: Combining Figure 1-Figure 4 Illustrating this embodiment, a 10MW three-time reheating reaction air turbine described in this embodiment, the turbine as a whole is a dual-speed design. The high-speed rotor 9 reduces the speed to 3000r / min through the gearbox 11, and then is connected to the normal speed rotor 10, and the overall output speed of the turbine is 3000r / min. Other compositions and connection modes are the same as in the first embodiment.
[0024] In this embodiment, the selection of a reasonable rotation speed can make the geometry size of the through-flow blades of each stage of the turbine the most reasonable, the aerodynamic efficiency is the best, and the overall power generation efficiency is higher.
specific Embodiment approach 3
[0025] Specific implementation three: combination Figure 1-Figure 4 Illustrating this embodiment, a 10MW three-reheat reaction air turbine described in this embodiment also includes 24-stage small enthalpy drop blades, 7-stage blades are installed inside the No. 1 turbine cylinder 5, and 7-stage blades are installed in the Inside the No. 2 turbine cylinder 6, the sixth stage vane is installed inside the No. 3 turbine cylinder 7, and the fourth stage vane is installed inside the No. 4 turbine cylinder 8. Other compositions and connection methods are the same as those in the first embodiment.
[0026] This embodiment adopts the multi-stage small enthalpy drop design technology, and the unit has many blade stages, small enthalpy drop, and high reheat efficiency, which can fundamentally improve the overall efficiency of the unit.
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