EXHAUST GAS TEMPERATURE DETECTION DEVICE

• Main Authors: KOSO EITARO, YABUKI NAOTO
• Format: Patent
• Language: English; Japanese
• Published: 17.12.2020
• Subjects: MEASURING; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; PHYSICS; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR

To provide an exhaust gas temperature detection device that can prevent a filer from being peeled off by suppressing a thermal effect on an adapter part during exhaust gas temperature detection.SOLUTION: An exhaust gas temperature detection device 1 installed on an outer side surface 152b of an outer wall 152 of an exhaust gas channel for exhaust gas discharged from a gas turbine comprises: a thermocouple 10, whose temperature detection part for detecting an exhaust gas temperature is arranged in an exhaust gas channel, extending to the outer side surface 152b of the outer wall 152 via the outer wall 152; a compensation lead wire 20 connected to the thermocouple 10 on the side of the outer side surface 152b of the outer wall 152; an adapter part 30 covering the connection part between the thermocouple 10 and the compensation lead wire 20 via an insulation filler; and a support member 40 supporting the adapter part 30 at a position apart from the outer side surface 152b of the outer wall 152.SELECTED DRAWING: Figure 3 【課題】排ガス温度検出時におけるアダプタ部への熱の影響を抑えることで充填材の剥離を防止できる排ガス温度検出装置を提供すること。【解決手段】ガスタービンから排出される排出ガスの排ガス流路の外壁１５２の外側面１５２ｂに取り付けられる排ガス温度検出装置１であって、排ガス温度を検出する温度検出部が排ガス流路内に配置され、外壁１５２を介して外壁１５２の外側面１５２ｂ側に延びる熱電対１０と、外壁１５２の外側面１５２ｂ側で熱電対１０に接続される補償導線２０と、熱電対１０と補償導線２０との接続部を絶縁性の充填材を介して覆うアダプタ部３０と、外壁１５２の外側面１５２ｂから離れた位置でアダプタ部３０を支持する支持部材４０と、を備える排ガス温度検出装置１。【選択図】図３