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Turbine structure and gas turbine with turbine structure

A turbine and turbine disk technology, applied in mechanical equipment, engine components, machines/engines, etc., can solve the problems of increasing manufacturing costs, overall scrapping, and high casing scrapping rate, reducing manufacturing costs, reducing design difficulty, and avoiding scrapping Effect

Active Publication Date: 2015-05-06
CHINA HANGFA SOUTH IND CO LTD
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Problems solved by technology

In actual production, the existence of the external gas path greatly increases the design difficulty of the casing, and at the same time, it is easily affected by the out-of-tolerance of other structures during the processing of the gas path, resulting in the overall scrapping
The existing turbine structure and gas turbine make the casing scrap rate relatively high, which increases the manufacturing cost

Method used

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  • Turbine structure and gas turbine with turbine structure
  • Turbine structure and gas turbine with turbine structure
  • Turbine structure and gas turbine with turbine structure

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Embodiment Construction

[0021] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0022] Such as figure 1 and figure 2 As shown, the turbine structure of this embodiment includes a turbine disk 10 and a guide disk 20 . The turbine disk 10 has a through hole 11 through which the rotating shaft passes. The deflector plate 20 has a rotation shaft avoidance through hole 21 , the deflector plate 20 is stacked and fixed on the turbine disk 10 , and a cooling air passage is formed between the deflector plate 20 and the turbine disk 10 .

[0023] Applying the turbine structure of this embodiment, since the deflector plate 20 is stacked and fixed on the turbine disk 10, a cooling air passage is formed between the deflector disk 20 and the turbine disk 10, so the cooling gas can f...

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Abstract

The invention provides a turbine structure and a gas turbine with the turbine structure. The turbine structure comprises a turbine disc (10) which is provided with a rotating shaft penetrating through hole (11) and further comprises a flow guide disc (20) which is provided with a rotating shaft avoiding through hole (21), the flow guide disc (20) is fixedly stacked on the turbine disc (10), and a cooling air flow channel is formed between the flow guide disc (20) and the turbine disc (10). According to the turbine structure, the manufacturing cost of a casing is reduced.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to a turbine structure and a gas turbine with the same. Background technique [0002] At present, the high-pressure turbine discs of gas turbines need cooling gas to cool them, and most high-pressure turbine discs are cooled by external air path bleed air. In actual production, the existence of the external gas path greatly increases the difficulty of casing design, and at the same time, it is easily affected by the out-of-tolerance of other structures during the processing of the gas path, resulting in the overall scrapping. The existing turbine structure and gas turbine make the casing scrap rate relatively high, which increases the manufacturing cost. Contents of the invention [0003] The present invention aims to provide a turbine structure with reduced casing manufacturing cost and a gas turbine with the same. [0004] In order to achieve the above object, according to one...

Claims

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Application Information

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IPC IPC(8): F01D5/08
Inventor 曾维赵晓磊王红莲王丹吕程程李水娇陈青
Owner CHINA HANGFA SOUTH IND CO LTD
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