JP2013122085A - 蒸気発生器の組み立てられた管壁において応力低減をもたらすための方法 - Google Patents
蒸気発生器の組み立てられた管壁において応力低減をもたらすための方法 Download PDFInfo
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- C21D1/26—Methods of annealing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/12—Supports for plants; Trellis for strawberries or the like
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/025—Devices and methods for diminishing corrosion, e.g. by preventing cooling beneath the dew point
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B9/00—Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body
- F22B9/18—Component parts thereof; Accessories therefor, e.g. stay-bolt connections
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/085—Cooling or quenching
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/40—Heat treatment
- F05D2230/41—Hardening; Annealing
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- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49387—Boiler making
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Abstract
【解決手段】設置された状態での発電所の蒸気発生器の、特にダイヤフラム壁の、広面積の管壁領域又は管壁区分の熱処理のための方法において、熱処理される管壁領域又は管壁区分が、蒸気発生器に設置された状態で、特に広面積にわたって、応力除去焼鈍プロセスに供される。
【選択図】なし
Description
Claims (16)
- 設置された状態での、特に発電所の蒸気発生器の、特にダイヤフラム壁の、組み立てられた、好ましくは広面積の管壁領域又は管壁区分の熱処理のための方法において、
熱処理される管壁領域又は管壁区分が、蒸気発生器に設置された状態で、特に広面積にわたって、応力除去焼鈍プロセスに供されることを特徴とする、方法。 - 材料温度が、加温された加熱ガス又は高温ガス、好ましくは高温燃焼排ガス又は高温空気を用いて、熱処理される管壁領域を加熱又は加温することにより生成されることを特徴とする、請求項1に記載の方法。
- 蒸気発生器の燃焼チャンバ内で、高温燃焼排ガス若しくは高温空気が、特に化石燃料の燃焼により生成されること、又は、高温燃焼排ガス若しくは高温空気若しくは高温ガスが、蒸気発生器の燃焼チャンバ及び/若しくは熱処理される管壁領域の管内に導入されること、並びに、各高温燃焼排ガス若しくは各高温空気若しくは各高温ガスが、外部及び/若しくは内部で、熱処理される管壁領域に供給されることを特徴とする、請求項1又は2に記載の方法。
- 応力除去焼鈍プロセス中、熱処理される管壁領域若しくは熱処理された管壁領域の、400℃〜740℃、好ましくは400℃〜600℃の材料温度が設定されること、及び/又は、応力除去焼鈍プロセス中、熱処理される管壁領域若しくは熱処理された管壁領域の、500℃以上、好ましくは500℃〜600℃の材料温度が設定されることを特徴とする、請求項1に記載の方法。
- 応力除去焼鈍プロセス中、熱処理される管壁領域若しくは熱処理された管壁領域の、550℃以上、好ましくは550℃〜700℃の材料温度が設定されること、及び/又は、応力除去焼鈍プロセス中、熱処理された管壁領域の、740℃以下、特に740℃〜500℃、好ましくは600℃以下、特に好ましくは600℃〜550℃の材料温度が設定されることを特徴とする、請求項1〜4のいずれか一項に記載の方法。
- 応力除去焼鈍プロセス中、材料温度が、12時間以上、特に24時間以上の保持時間にわたって保持されることを特徴とする、請求項1〜5のいずれか一項に記載の方法。
- 応力除去焼鈍プロセス中、材料温度が、1週間未満の保持時間にわたって保持されることを特徴とする、請求項1〜6のいずれか一項に記載の方法。
- 応力除去焼鈍プロセス中、熱処理される管壁領域若しくは熱処理された管壁領域の材料温度及び/若しくは膨張が、制御及び/若しくは調整されること、並びに/又は、応力除去焼鈍プロセスが、いずれの場合にも、熱処理される管壁領域若しくは管壁区分の膨張及び/若しくは材料温度の測定を用いて且つ好ましくは蒸気発生器の燃焼チャンバ内での、燃焼排ガス若しくは高温空気若しくは高温ガスを生成するための燃焼率の調節及び調整を用いて、調節及び調整されること、並びに/又は、冷媒の通過流速が調節及び調整されることを特徴とする、請求項1〜7のいずれか一項に記載の方法。
- 応力除去焼鈍プロセス中、熱処理される管壁領域若しくは熱処理された管壁領域の材料温度及び/若しくは膨張が、冷媒、好ましくは熱処理された管壁領域の管内を流動する冷媒を用いて、好ましくは管内に通流される空気を用いて、冷却され、好ましくは調整されることを特徴とする、請求項1〜8のいずれか一項に記載の方法。
- 応力除去焼鈍プロセス中、熱処理されない管壁領域、特に熱処理される管壁領域に隣接する管壁領域が、冷媒、好ましくは空気若しくは霧化された水の噴霧を用いて、特に応力除去焼鈍温度未満の材料温度まで、外部及び内部から同時に/若しくは外部若しくは内部から冷却されること、並びに/又は、応力除去焼鈍プロセス中、熱処理される管壁領域、及び熱処理される管壁領域に隣接する熱処理されない管壁領域が、伝達可能に相互接続された、熱処理される管壁領域及び熱処理されない管壁領域を通って、若しくはその外部に沿って流動する、冷媒/前記冷媒、好ましくは冷却空気を用いて冷却されることを特徴とする、請求項1〜9のいずれか一項に記載の方法。
- 応力除去焼鈍プロセス中、熱処理される管壁領域、及び該領域に伝達可能に接続された熱処理されない管壁領域の両方が、外部又は内部から、高温燃焼排ガス又は高温空気又は高温ガスにより影響され、このために、流通する冷媒、好ましくは冷却空気を用いて、内部又は外部から相互に冷却されることを特徴とする、請求項1〜10のいずれか一項に記載の方法。
- 材料T23若しくは7CrMoWVMoNb 9−6又はT24若しくは7CrMoVTiB 10−10で構成される管壁領域が、応力除去焼鈍プロセス/前記応力除去焼鈍プロセスに供されることを特徴とする、請求項1〜11のいずれか一項に記載の方法。
- 発電所の蒸気発生器の過熱器の管壁領域が、応力除去焼鈍プロセスに供されることを特徴とする、請求項1〜12のいずれか一項に記載の方法。
- 応力除去焼鈍プロセスが、熱処理される管壁領域が修復作業、特に修復溶接プロセスを受けた後に行われることを特徴とする、請求項1〜13のいずれか一項に記載の方法。
- 管壁領域又は管壁区分が製造され、溶接により互いに接続され、それらが蒸気発生器における燃焼チャンバを包囲するその設置位置に配置される、特に発電所の蒸気発生器の燃焼チャンバを包囲する管壁を組み立てるための方法において、組み立てられ設置された管壁領域又は管壁区分が、特にそれらがダイヤフラム壁を形成する場合、蒸気発生器に設置された状態のその設置された位置で、特に広面積にわたって、応力除去焼鈍プロセスに供されることを特徴とする、方法。
- 焼鈍プロセスが、請求項1〜14の一項又は複数の項に記載の方法に従い実行されることを特徴とする、請求項15に記載の方法。
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US201161549785P | 2011-10-21 | 2011-10-21 | |
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DE102011054718.5A DE102011054718B4 (de) | 2011-10-21 | 2011-10-21 | Verfahren zur Erzeugung einer Spannungsverminderung in errichteten Rohrwänden eines Dampferzeugers |
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CN113427225A (zh) * | 2021-05-17 | 2021-09-24 | 上海学佳电子科技有限公司 | 一种新型高精度模具生产工艺及模具生产管理*** |
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DE102011055282A1 (de) | 2011-07-26 | 2013-01-31 | Alstom Technology Ltd. | Verfahren zum Schweißen von dünnwandigen Rohren mittels Spitzentemperaturanlassschweißen |
DE202014004528U1 (de) | 2014-06-05 | 2014-08-05 | Rwe Group Business Sevices Gmbh | Anlagenbauteil mit einer geschweißten Mischverbindung |
CN104480288B (zh) * | 2014-10-31 | 2016-08-24 | 哈电集团(秦皇岛)重型装备有限公司 | 预防局部热处理时换热管产生凹痕的装置及方法 |
CN104357644B (zh) * | 2014-11-05 | 2016-10-05 | 上海电气核电设备有限公司 | 一种核电蒸汽发生器环缝热处理装置***及其用途 |
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- 2012-09-24 SI SI201231679T patent/SI2584053T1/sl unknown
- 2012-09-24 PL PL12185628T patent/PL2584053T3/pl unknown
- 2012-10-17 JP JP2012229834A patent/JP6132084B2/ja not_active Expired - Fee Related
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Cited By (2)
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JP2014035174A (ja) * | 2012-08-10 | 2014-02-24 | Hitachi Ltd | ボイラ用メンブレンパネルの熱処理方法およびこの熱処理を実施したボイラ装置 |
CN113427225A (zh) * | 2021-05-17 | 2021-09-24 | 上海学佳电子科技有限公司 | 一种新型高精度模具生产工艺及模具生产管理*** |
Also Published As
Publication number | Publication date |
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DE102011054718B4 (de) | 2014-02-13 |
PL2584053T3 (pl) | 2020-02-28 |
EP2584053A2 (de) | 2013-04-24 |
JP6132084B2 (ja) | 2017-05-24 |
DE102011054718A1 (de) | 2012-05-03 |
EP2584053B1 (de) | 2019-07-24 |
US10273551B2 (en) | 2019-04-30 |
EP2584053A3 (de) | 2014-02-26 |
SI2584053T1 (sl) | 2019-11-29 |
CN103060532A (zh) | 2013-04-24 |
US20130101949A1 (en) | 2013-04-25 |
CN103060532B (zh) | 2017-07-28 |
DE202012103912U1 (de) | 2012-12-17 |
KR20130044167A (ko) | 2013-05-02 |
KR102038152B1 (ko) | 2019-10-30 |
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