Steam turbine and method for reducing operating temperature of outer cylinder of steam turbine
A technology of working temperature and steam turbine, applied in the direction of machines/engines, mechanical equipment, engine components, etc., can solve the problems of increased manufacturing costs of outer cylinders, achieve cost reduction, reduce high temperature resistance requirements, and achieve good economic benefits.
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[0021] In order to make the object, technical solution and advantages of the present invention clearer, the technology of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0022] As shown in the figure, a steam turbine includes an inner cylinder 2 and an outer cylinder 1, an interlayer space 3 is formed between the inner cylinder 2 and the outer cylinder 1, and a steam turbine is provided between the front end steam seal room 4 and the rear end flow stage 5 The high-temperature steam outlet channel 6 and the low-temperature return steam channel 7, the steam inlet 61 of the high-temperature steam outlet channel 6 is set on the seal body of the front seal room 4, and the steam outlet 62 of the high-temperature steam outlet channel 6 is set On the back...
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