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

Pending Publication Date: 2022-07-05
HARBIN TURBINE +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of less reheating times, unreasonable design structure, low system efficiency, and inflexible start-up and operation of the air turbine under the same parameters, the present invention further provides a 10MW three-time reheating reaction air turbine

Method used

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  • 10MW three-time reheating reaction type air turbine
  • 10MW three-time reheating reaction type air turbine
  • 10MW three-time reheating reaction type air turbine

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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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Abstract

The invention discloses a 10MW three-time reheating reaction type air turbine, relates to an air turbine structure, and aims to solve the problems of less reheating times, unreasonable design structure, low system efficiency and inflexible starting operation of an air turbine under the same parameters. The system comprises a high-rotating-speed module, a conventional-rotating-speed module, a gearbox, a first turbine air inlet adjusting valve, a second turbine air inlet pipe, a third turbine air inlet pipe and a fourth turbine air inlet pipe. The high-rotating-speed module comprises a first bearing box, a first turbine cylinder, a second bearing box and a high-rotating-speed rotor; the conventional-rotating-speed module comprises a third bearing box, a second turbine cylinder, a third turbine cylinder, a fourth turbine cylinder, a fourth bearing box and a conventional-rotating-speed rotor; the high-rotating-speed rotor is arranged in the first bearing box, the first turbine air cylinder and the second bearing box; conventional rotating speed rotors are arranged in a third bearing box, a second turbine cylinder, a third turbine cylinder, a fourth turbine cylinder and a fourth bearing box; the invention belongs to the field of turbine design.

Description

technical field [0001] The invention relates to an air turbine structure, in particular to a 10MW three-reheat reaction type air turbine, which belongs to the field of turbine design. Background technique [0002] Compressed air energy storage is a new energy storage technology, which is in the stage of vigorous development. The air turbine is an important equipment of the compressed air energy storage system. At present, compressed air energy storage is in the window period of the project, and the existing air turbine equipment cannot meet the needs of the project with many reheats. Air turbine, suitable for the development of compressed air energy storage projects. SUMMARY OF THE INVENTION [0003] In order to solve the problems of less reheat times, unreasonable design structure, low system efficiency, and inflexible start-up operation of the air turbine under the same parameters, the invention further provides a 10MW three-reheat reaction air turbine. [0004] The te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D5/02F01D5/14F01D25/16F01D25/24F01D25/28F01D17/10F01D21/00
CPCF01D5/02F01D5/147F01D25/162F01D25/24F01D25/28F01D17/10F01D21/00
Inventor 余海鹏徐鹏邢冠一徐殿吉魏红阳张春秀刘凯刘志德尉坤郭庆丰
Owner HARBIN TURBINE
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