JP2013127356A - 蒸気発生器伝熱管補修スリーブおよび気発生器伝熱管補修法 - Google Patents
蒸気発生器伝熱管補修スリーブおよび気発生器伝熱管補修法 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
-
- 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
-
- 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
- F22B37/10—Water tubes; Accessories therefor
- F22B37/107—Protection of water tubes
-
- 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
- F22B37/62—Component parts or details of steam boilers specially adapted for steam boilers of forced-flow type
- F22B37/64—Mounting of, or supporting arrangements for, tube units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
- F28F11/02—Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/04—Repairing fractures or cracked metal parts or products, e.g. castings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/163—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1652—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section
- F16L55/1653—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section and being pressed into contact with the pipe by a tool which moves inside along the pipe
-
- 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
- F22B37/002—Component parts or details of steam boilers specially adapted for nuclear steam generators, e.g. maintenance, repairing or inspecting equipment not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49352—Repairing, converting, servicing or salvaging
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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- Y10T29/49—Method of mechanical manufacture
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- Y10T29/49361—Tube inside tube
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49373—Tube joint and tube plate structure
- Y10T29/49375—Tube joint and tube plate structure including conduit expansion or inflation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
- Y10T29/49734—Repairing by attaching repair preform, e.g., remaking, restoring, or patching and removing damaged material
- Y10T29/49737—Metallurgically attaching preform
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53987—Tube, sleeve or ferrule
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
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- Coating With Molten Metal (AREA)
Abstract
【解決手段】蒸気発生器伝熱管補修スリーブ50の一方の端部が、環状のフランジ52を有し、該環状のフランジは、他方のスリーブ端部の方向に外側で先細りになった円錐状の範囲54へ移行しており、該円錐状の範囲に真っ直ぐな範囲56が続いており、円錐状の範囲54におけるスリーブ壁の肉厚が、真っ直ぐな範囲56に比べて増大されている。
【選択図】図3
Description
1. 欠陥のある管端部をフライス削りにより円錐状に削り、該管端部を取り囲むように管板のメッキ部にもみ下げ状の凹部をフライス削りにより加工するステップと、
2. フライス削りにより円錐状に削られた前記管端部内に、本発明による前記蒸気発生器伝熱管補修スリーブを挿入するステップであって、少なくとも前記円錐状の範囲において、外側のスリーブ輪郭が、フライス削りにより円錐状に削られた前記管端部の内側輪郭に適合されているステップと、
3. 前記蒸気発生器伝熱管補修スリーブの前記真っ直ぐな範囲および/または前記円錐状の範囲をローラ拡開させるステップと、
4. ローラ拡開された前記蒸気発生器伝熱管補修スリーブのフランジ範囲を管板の前記メッキ部と溶接して、シールシームを形成するステップと、
を備える。
円錐状の範囲では、蒸気発生器伝熱管補修スリーブの肉厚と、円錐状にフライス削りされた蒸気発生器伝熱管の肉厚とを合わせた全体厚さがほぼ一定となると共に、補修結合部の理想的には一定の内径が得られる。
1. 欠陥のある管端部をフライス削りにより円錐状に削り、該管端部を取り囲むように管板のメッキ部に、もみ下げ状の凹部をフライス削りにより加工するステップと、
2. フライス削りにより円錐状に削られた前記管端部内に、本発明による蒸気発生器伝熱管補修スリーブを挿入するステップであって、少なくとも前記円錐状の範囲において、外側のスリーブ輪郭が、フライス削りにより円錐状に削られた前記管端部の内側輪郭に適合されているステップと、
3. 前記蒸気発生器伝熱管補修スリーブの前記真っ直ぐな範囲および/または前記円錐状の範囲をローラ拡開させるステップと、
4. ローラ拡開された前記蒸気発生器伝熱管補修スリーブのフランジ範囲を管板の前記メッキ部と溶接して、シールシームを形成するステップと、
を備えることを特徴とする、蒸気発生器伝熱管補修法によっても解決される。
14 管端部
16 凹部
18 管板
20 メッキ部
32 蒸気発生器伝熱管
34 蒸気発生器伝熱管補修スリーブ
36 蒸気発生器伝熱管補修スリーブのフランジ範囲
38 蒸気発生器伝熱管補修スリーブの円錐状の範囲
40 蒸気発生器伝熱管補修スリーブの真っ直ぐな範囲
42 中心軸線
44 管板
46 メッキ部
50 蒸気発生器伝熱管補修スリーブ
52 蒸気発生器伝熱管補修スリーブのフランジ範囲
54 蒸気発生器伝熱管補修スリーブの円錐状の範囲
56 蒸気発生器伝熱管補修スリーブの円錐状の範囲
58 層
60 中心軸線
70 蒸気発生器伝熱管補修スリーブ
72 蒸気発生器伝熱管補修スリーブのフランジ範囲
74 蒸気発生器伝熱管補修スリーブの円錐状の範囲
76 蒸気発生器伝熱管補修スリーブの真っ直ぐな範囲
78 層
80 蒸気発生器
82 管板
84 メッキ部
86,88,90 蒸気発生器伝熱管
92 壁
100 蒸気発生器伝熱管
102 蒸気発生器伝熱管補修スリーブの円錐状の範囲
104 内径
106 蒸気発生器伝熱管補修スリーブ
Claims (13)
- 蒸気発生器伝熱管補修スリーブ(50,70)であって、該蒸気発生器伝熱管補修スリーブ(50,70)の一方の端部が、環状のフランジ(36,52,72)を有し、該環状のフランジ(36,52,72)は、他方のスリーブ端部の方向に外側で先細りになった円錐状の範囲(38,54,74,102)へ移行しており、該円錐状の範囲(38,54,74,102)に真っ直ぐな範囲(56,76)が続いている蒸気発生器伝熱管補修スリーブ(50,70)において、
前記円錐状の範囲(38,54,74,102)におけるスリーブ壁の肉厚が、前記真っ直ぐな範囲(56,76)に比べて増大されていることを特徴とする、蒸気発生器伝熱管補修スリーブ。 - 前記円錐状の範囲(38,54,74,102)の長さが、フランジ側のスリーブ内径(104)の少なくとも1.5倍に相当している、請求項1記載の蒸気発生器伝熱管補修スリーブ。
- 前記円錐状の範囲(38,54,74,102)におけるスリーブ壁の肉厚は、前記真っ直ぐな範囲(56,76)に向かって減じられている、請求項1または2記載の蒸気発生器伝熱管補修スリーブ。
- 少なくとも外側表面の部分範囲に、薄くて粗い層(58,78)が設けられている、請求項1から3までのいずれか1項記載の蒸気発生器伝熱管補修スリーブ。
- 当該蒸気発生器伝熱管補修スリーブは、少なくとも大部分が材料インコネル690(登録商標)から製作されている、請求項1から4までのいずれか1項記載の蒸気発生器伝熱管補修スリーブ。
- 当該蒸気発生器伝熱管補修スリーブは、少なくとも大部分が材料インコロイ800(登録商標)から製作されている、請求項1または2記載の蒸気発生器伝熱管補修スリーブ。
- 多数の蒸気発生器伝熱管(12,32,86,88,90)の各端部が、メッキされた各管板(18,44,82)に通して案内されて、メッキ部(20,46,84)と溶接されている、蒸気発生器(80)に取り付けられた、欠陥のある管端部を有する蒸気発生器伝熱管(12,32,86,88,90)に用いられる蒸気発生器伝熱管補修法において、
欠陥のある管端部をフライス加工により円錐状に削り、該管端部を取り囲むように管板のメッキ部(20,46,84)にもみ下げ状の凹部(16)をフライス削りにより加工するステップと、
フライス削りにより円錐状に削られた前記管端部(14)内に、請求項1から6までのいずれか1項記載の蒸気発生器伝熱管補修スリーブ(50,70)を挿入するステップであって、少なくとも前記円錐状の範囲(38,54,74)において、外側のスリーブ輪郭が、フライス削りにより円錐状に削られた前記管端部の内側輪郭に適合されているステップと、
前記蒸気発生器伝熱管補修スリーブ(50,70)の前記真っ直ぐな範囲(56,76)および/または前記円錐状の範囲(38,54,74)をローラ拡開させるステップと、
ローラ拡開された前記蒸気発生器伝熱管補修スリーブ(34)のフランジ範囲(36,52,72)を前記メッキ部(20,46,84)と溶接して、シールシームを形成するステップと、
を備えることを特徴とする、蒸気発生器伝熱管補修法。 - 前記溶接を、TIG法(タングステン不活性ガス)を使用して行う、請求項7記載の蒸気発生器伝熱管補修法。
- 挿入された前記蒸気発生器伝熱管補修スリーブ(50,70)の溶接を、既に前記蒸気発生器伝熱管補修スリーブ(50,70)のローラ拡開の前に行う、請求項7または8記載の蒸気発生器伝熱管補修法。
- 前記蒸気発生器伝熱管補修スリーブ(50,70)のローラ拡開を、複数の加工ステップで行う、請求項7から9までのいずれか1項記載の蒸気発生器伝熱管補修法。
- 当該蒸気発生器伝熱管補修法を、原子力設備の放射能で予め汚染された蒸気発生器(80)において行う、請求項7から10までのいずれか1項記載の蒸気発生器伝熱管補修法。
- 多数の蒸気発生器伝熱管(12,32,86,88,90)を有し、該蒸気発生器伝熱管(12,32,86,88,90)の両端部が、メッキされた各管板(18,44,82)に通して案内されて、メッキ部(20,46,84)と溶接されている、蒸気発生器(80)において、少なくとも一方の管端部で、請求項7から11までのいずれか1項記載の蒸気発生器伝熱管補修法が適用されていることを特徴とする、蒸気発生器。
- 当該蒸気発生器は、放射能で前負荷されている、請求項12記載の蒸気発生器。
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EP (1) | EP2604963B1 (ja) |
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2012
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- 2012-12-17 US US13/717,629 patent/US9435481B2/en active Active
- 2012-12-17 JP JP2012275036A patent/JP6124578B2/ja active Active
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JP2016080215A (ja) * | 2014-10-14 | 2016-05-16 | 株式会社プランテック | 熱交換器の伝熱管補修方法、ならびに伝熱管補修用の挿入管 |
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CN103252620A (zh) | 2013-08-21 |
JP6124578B2 (ja) | 2017-05-10 |
EP2604963B1 (de) | 2019-03-20 |
BR102012032127B1 (pt) | 2020-03-24 |
EP2604963A2 (de) | 2013-06-19 |
AR089242A1 (es) | 2014-08-06 |
US9435481B2 (en) | 2016-09-06 |
EP2604963A3 (de) | 2014-09-17 |
ZA201209498B (en) | 2013-08-28 |
BR102012032127A2 (pt) | 2015-04-14 |
DE102011121204A1 (de) | 2013-06-20 |
CA2798489C (en) | 2019-05-21 |
TWI560388B (en) | 2016-12-01 |
CA2798489A1 (en) | 2013-06-16 |
US20130199462A1 (en) | 2013-08-08 |
KR101981148B1 (ko) | 2019-05-22 |
KR20130069477A (ko) | 2013-06-26 |
CN103252620B (zh) | 2017-05-10 |
TW201341700A (zh) | 2013-10-16 |
ES2728156T3 (es) | 2019-10-22 |
SI2604963T1 (sl) | 2019-07-31 |
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