Flow outlet device at turbine end of gas turbine

The invention discloses a gas turbine end outflow device which comprises a first pipe section, a second pipe section and a third pipe section which are sequentially sleeved from inside to outside and arranged at intervals, a first cavity is formed between the first pipe section and the second pipe s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HUANG DAN, SHEN GUOHUA, HU LONGBING, SHI SHI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a gas turbine end outflow device which comprises a first pipe section, a second pipe section and a third pipe section which are sequentially sleeved from inside to outside and arranged at intervals, a first cavity is formed between the first pipe section and the second pipe section, and a second cavity is formed between the second pipe section and the third pipe section. The first pipe section is provided with a first cavity and a second cavity, cooling gas is arranged in the first cavity and the second cavity, the first pipe section is provided with a channel, the channel is suitable for introducing high-temperature exhaust gas, the cooling gas is used for exchanging heat with the high-temperature exhaust gas, the cooling gas in the first cavity and the cooling gas in the second cavity can circulate, the third pipe section is provided with a third cavity, and cooling water is arranged in the third cavity. And the cooling water is used for exchanging heat with high-temperature exhaust.