JP2021032853A5 - - Google Patents

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JP2021032853A5
JP2021032853A5 JP2019157151A JP2019157151A JP2021032853A5 JP 2021032853 A5 JP2021032853 A5 JP 2021032853A5 JP 2019157151 A JP2019157151 A JP 2019157151A JP 2019157151 A JP2019157151 A JP 2019157151A JP 2021032853 A5 JP2021032853 A5 JP 2021032853A5
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heat
temperature
resistant member
thermal history
temperature detecting
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JP2019157151A
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JP7075379B2 (en
JP2021032853A (en
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Priority to PCT/JP2020/032822 priority patent/WO2021040041A1/en
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Description

本開示の一態様に係る耐熱部材の熱履歴評価装置は、上記課題を解決するために、
熱時効による性状変化に基づいて温度を検知可能な第１温度検知部材と、
前記第１温度検知部材を保持しながら、プラント設備の耐熱部材に対して固定可能に構成された固定部材と、
を備える。
 The thermal history evaluation device for heat-resistant members according to one aspect of the present disclosure is to solve the above problems.
A first temperature detection member that can detect temperature based on changes in properties due to thermal aging,
A fixing member configured to be able to be fixed to the heat-resistant member of the plant equipment while holding the first temperature detecting member.
To be equipped.

Claims (12)

プラント設備を構成する耐熱部材の表面上に検査対象部位を特定する工程と、
熱時効による性状変化に基づいて温度を検知可能な複数の第１温度検知部材を、前記検査対象部位に設置する工程と、
前記複数の第１温度検知部材の性状変化に基づいて、前記耐熱部材の熱履歴を求める工程と、
を備え、
前記複数の第１温度検知部材に含まれる少なくとも２つは、一方の温度検知範囲が他方の温度検知範囲より狭くなるように選定される、耐熱部材の熱履歴評価方法。 The process of identifying the part to be inspected on the surface of the heat-resistant members that make up the plant equipment,
A process of installing a plurality of first temperature detecting members capable of detecting a temperature based on a change in properties due to thermal aging at the inspection target site, and a process of installing the plurality of first temperature detecting members.
A step of obtaining the thermal history of the heat-resistant member based on the property change of the plurality of first temperature detecting members, and a step of obtaining the thermal history of the heat-resistant member.
Equipped with a,
At least two, one of the temperature detection range Ru is selected to be narrower than the other of the temperature detection range, the thermal history evaluation method of high temperature component included in the plurality of first temperature detecting member. 前記複数の第１温度検知部材は、互いに検知温度範囲の異なる第１温度検知部材を含む、請求項１に記載の耐熱部材の熱履歴評価方法。 The thermal history evaluation method for a heat-resistant member according to claim 1, wherein the plurality of first temperature detecting members include first temperature detecting members having different detection temperature ranges from each other. 前記第１温度検知部材は、前記性状変化として、前記第１温度検知部材の形状、抵抗率、透過率若しくは反射率色調の変化、又は、相変化を利用する、請求項１又は２に記載の耐熱部材の熱履歴評価方法。 The first temperature detecting member according to claim 1 or 2, wherein the first temperature detecting member utilizes a change in the shape, resistivity, transmittance or reflectance color tone of the first temperature detecting member, or a phase change as the property change. Thermal history evaluation method for heat-resistant members. 前記第１温度検知部材による前記耐熱部材の熱履歴の評価結果に基づいて、前記耐熱部材の重点検査位置を特定する工程と、
温度を連続的に測定可能な第２温度検知部材を前記重点検査位置に設置する工程と、
前記第２温度検知部材の検知結果に基づいて、前記耐熱部材の熱履歴を求める工程と、
を更に備える、請求項１から３のいずれか一項に記載の耐熱部材の熱履歴評価方法。 A step of specifying the priority inspection position of the heat-resistant member based on the evaluation result of the heat history of the heat-resistant member by the first temperature detection member, and
A process of installing a second temperature detection member capable of continuously measuring the temperature at the priority inspection position, and
A process of obtaining the thermal history of the heat-resistant member based on the detection result of the second temperature detecting member, and
The method for evaluating the thermal history of a heat-resistant member according to any one of claims 1 to 3, further comprising. 前記第２温度検知部材の検知結果に基づいて、前記第１温度検知部材による前記耐熱部材の熱履歴の評価結果を補正又は校正する、請求項４に記載の耐熱部材の熱履歴評価方法。 The method for evaluating the heat history of a heat-resistant member according to claim 4, wherein the evaluation result of the heat history of the heat-resistant member by the first temperature detection member is corrected or calibrated based on the detection result of the second temperature detection member. 前記第２温度検知部材は熱電対、放射温度計又は光ファイバ温度計である、請求項４又は５に記載の耐熱部材の熱履歴評価方法。 The method for evaluating the thermal history of a heat-resistant member according to claim 4 or 5, wherein the second temperature detecting member is a thermocouple, a radiation thermometer, or an optical fiber thermometer. 前記第１温度検知部材は示温クレヨンである、請求項１から６のいずれか一項に記載の耐熱部材の熱履歴評価方法。 The method for evaluating the thermal history of a heat-resistant member according to any one of claims 1 to 6, wherein the first temperature detecting member is a temperature indicating crayon. 前記耐熱部材は前記プラント設備のボイラと蒸気タービンとの間を接続する蒸気配管に複数の分岐管が接続された管台である、請求項１から７のいずれか一項に記載の耐熱部材の熱履歴評価方法。 The heat-resistant member according to any one of claims 1 to 7, wherein the heat-resistant member is a conduit in which a plurality of branch pipes are connected to a steam pipe connecting between a boiler of the plant equipment and a steam turbine. Thermal history evaluation method. 熱時効による性状変化に基づいて温度を検知可能な複数の第１温度検知部材と、
前記複数の第１温度検知部材を保持しながら、プラント設備の耐熱部材に対して固定可能に構成された固定部材と、
を備え、
前記複数の第１温度検知部材に含まれる少なくとも２つは、一方の温度検知範囲が他方の温度検知範囲より狭くなるように選定される、耐熱部材の熱履歴評価装置。 A plurality of first temperature detection members capable of detecting temperature based on changes in properties due to thermal aging,
A fixing member configured to be fixed to a heat-resistant member of a plant facility while holding the plurality of first temperature detecting members.
Equipped with a,
Wherein at least two are included in the plurality of first temperature sensing member, one of the temperature detection range Ru is selected to be narrower than the other of the temperature detection range, the thermal history evaluation apparatus heat-resistant member. 前記固定部材は、前記耐熱部材を少なくとも部分的に囲むことで前記耐熱部材に対して固定可能に構成される、請求項９に記載の耐熱部材の熱履歴評価装置。 The thermal history evaluation device for a heat-resistant member according to claim 9, wherein the fixing member is configured to be fixed to the heat-resistant member by at least partially surrounding the heat-resistant member. 前記複数の第１温度検知部材が前記固定部材に対して保持可能に構成された、請求項１０に記載の耐熱部材の熱履歴評価装置。 Before SL plurality of first temperature detecting member is capable of holding structure with respect to the fixed member, the thermal history evaluation device of the heat-resistant member according to claim 10. 前記複数の第１温度検知部材の各々を前記耐熱部材とともに外側から囲むように構成された保温材を更に備える、請求項９から１１のいずれか一項に記載の耐熱部材の熱履歴評価装置。 The thermal history evaluation device for a heat-resistant member according to any one of claims 9 to 11, further comprising a heat insulating material configured to surround each of the plurality of first temperature detecting members together with the heat-resistant member from the outside.
JP2019157151A 2019-08-29 2019-08-29 Heat history evaluation method for heat-resistant members and heat history evaluation device Active JP7075379B2 (en)

Priority Applications (2)

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JP2019157151A JP7075379B2 (en) 2019-08-29 2019-08-29 Heat history evaluation method for heat-resistant members and heat history evaluation device
PCT/JP2020/032822 WO2021040041A1 (en) 2019-08-29 2020-08-31 Thermal history evaluation method and thermal history evaluation device for heat-resistant member

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JP2021032853A JP2021032853A (en) 2021-03-01
JP2021032853A5 true JP2021032853A5 (en) 2021-04-22
JP7075379B2 JP7075379B2 (en) 2022-05-25

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JPS5318780Y2 (en) * 1972-06-10 1978-05-19
JPH0514868U (en) * 1991-08-13 1993-02-26 三菱重工業株式会社 High temperature corrosion test piece temperature measuring device
JP2004163061A (en) 2002-11-15 2004-06-10 Mitsubishi Heavy Ind Ltd Heat load measuring method of boiler furnace wall and boiler
JP4928074B2 (en) 2004-12-01 2012-05-09 シンコー リミテッド Air diffuser
JP2014228196A (en) 2013-05-22 2014-12-08 バブコック日立株式会社 Method for estimating service temperature of heat transfer pipe and method for maintaining heat transfer pipe
JP6870912B2 (en) 2016-03-09 2021-05-12 Ｓｅｍｉｔｅｃ株式会社 Temperature sensor device and liquid circulation device

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