KR101457340B1 - 부식방지층을 갖는 증기발생기 튜브시트 및 그 제조 방법 - Google Patents
부식방지층을 갖는 증기발생기 튜브시트 및 그 제조 방법 Download PDFInfo
- Publication number
- KR101457340B1 KR101457340B1 KR1020120090793A KR20120090793A KR101457340B1 KR 101457340 B1 KR101457340 B1 KR 101457340B1 KR 1020120090793 A KR1020120090793 A KR 1020120090793A KR 20120090793 A KR20120090793 A KR 20120090793A KR 101457340 B1 KR101457340 B1 KR 101457340B1
- Authority
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- South Korea
- Prior art keywords
- tube sheet
- steam generator
- heat transfer
- corrosion
- tube
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000012546 transfer Methods 0.000 claims abstract description 62
- 238000005260 corrosion Methods 0.000 claims abstract description 42
- 230000007797 corrosion Effects 0.000 claims abstract description 41
- 238000005253 cladding Methods 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000005553 drilling Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 18
- 239000000956 alloy Substances 0.000 claims description 18
- 238000005498 polishing Methods 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 229910001055 inconels 600 Inorganic materials 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 description 20
- 238000010438 heat treatment Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 238000006056 electrooxidation reaction Methods 0.000 description 10
- 239000010802 sludge Substances 0.000 description 7
- 239000012085 test solution Substances 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000010795 Steam Flooding Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
-
- 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
- F22B37/24—Supporting, suspending or setting arrangements, e.g. heat shielding
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Plasma & Fusion (AREA)
- Heat Treatment Of Articles (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Description
도 2는 본 발명의 증기발생기 튜브시트의 제조 방법의 개념도.
도 3은 본 발명의 증기발생기 튜브시트의 제조 방법에 의해 제조된 증기교환기 튜브시트의 평면도.
도 4는 도 2의 A-A'선을 따라 자른 증기발생기 튜브시트에 전열관이 장착된 것을 도시한 단면도.
도 5는 시험용액의 pH가 2인 경우에, Alloy 690과 SA508Cl.3의 전기화학적 부식속도를 비교한 그래프.
도 6는 시험용액의 pH가 7인 경우에, Alloy 690과 SA508Cl.3의 전기화학적 부식속도를 비교한 그래프.
도 7는 시험용액의 pH가 12인 경우에, Alloy 690과 SA508Cl.3의 전기화학적 부식속도를 비교한 그래프.
11: 1차측 튜브시트
12: 2차측 튜브시트
20: 내부식성 금속
30: 전열관 장착구멍
40: 슬러지
200: 전열관
D: 2차측 튜브시트에 클래딩되는 내부식성 금속의 두께
H: 전열관 확관부 틈새 깊이
Claims (12)
- 삭제
- 삭제
- 삭제
- 삭제
- 증기발생기의 전열관(200)을 지지하도록 설치되는 증기발생기 튜브시트(100)제조 방법에 있어서,
1차측 튜브시트 표면(11) 및 2차측 튜브시트 표면(12)을 스테인리스 스틸(STS), Alloy 600, Alloy 690 중 적어도 하나인 내부식성 금속(20)으로 클래딩(cladding)하는 단계;
클래딩 공정에 따른 잔류 응력이 제거되도록 상기 클래딩된 증기발생기 튜브시트(100)의 1차측 튜브시트 표면(11) 또는 2차측 튜브시트 표면(12)만을 국부적으로 열처리하되, 600℃ 내지 820℃의 온도에서 10분 내지 60분 동안 열처리하는 단계; 및
상기 열처리된 증기발생기 튜브시트(100)에 전열관 장착구멍(30)을 형성하는 드릴링 단계;
상기 드릴링 단계에서 형성된 전열관 장착구멍(30)이 상기 전열관(200)의 지름보다 크게 형성되어, 상기 전열관(200)이 전열관 장착구멍(30)에 삽입된 후, 상기 전열관(200)의 하부가 확관되어 상기 튜브시트(100)에 장착되는 전열관 장착 단계; 를 포함하되,
상기 클래딩하는 단계에서 상기 내부식성 금속(20)의 두께(D)가 전열관 확관부 틈새 깊이(H) 이상인 것을 특징으로 하는 부식방지층을 갖는 증기발생기 튜브시트(100) 제조 방법.
- 제 5항에 있어서,
상기 드릴링 단계 이전에 상기 전열관 장착구멍(30)이 형성될 2차측 튜브시트 표면(12)을 연마하는 연마단계를 더 포함하는 것을 특징으로 하는 부식방지층을 갖는 증기발생기 튜브시트(100) 제조 방법.
- 제 5항에 있어서,
상기 드릴링 단계 이후에 상기 전열관 장착구멍(30)이 형성된 2차측 튜브시트 표면(12)을 연마하는 연마단계를 더 포함하는 것을 특징으로 하는 부식방지층을 갖는 증기발생기 튜브시트(100) 제조 방법.
- 제 5항에 있어서,
상기 내부식성 금속(20)은 상기 증기발생기 튜브시트(100)보다 부식속도가 낮은 금속 또는 합금인 것을 특징으로 하는 부식방지층을 갖는 증기발생기 튜브시트(100) 제조 방법
- 삭제
- 삭제
- 삭제
- 제 5항 내지 8항 중 어느 한 항에 의한 증기발생기 튜브시트(100) 제조 방법에 의해 제조된 증기발생기 튜브시트.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120090793A KR101457340B1 (ko) | 2012-08-20 | 2012-08-20 | 부식방지층을 갖는 증기발생기 튜브시트 및 그 제조 방법 |
US13/837,920 US9341367B2 (en) | 2012-08-20 | 2013-03-15 | Tube sheet of steam generator having anticorrosive layer and manufacturing method thereof |
JP2013078791A JP5761870B2 (ja) | 2012-08-20 | 2013-04-04 | 腐食防止層を有する蒸気発生器チューブシート及びその製造方法 |
FR1301145A FR2994614B1 (fr) | 2012-08-20 | 2013-05-17 | Plaque tubulaire d'un generateur de vapeur ayant une couche anticorrosive et procede de fabrication de celle ci |
CN201310215159.0A CN103629655B (zh) | 2012-08-20 | 2013-05-31 | 具有防腐层的蒸汽发生器管板及其制备方法 |
Applications Claiming Priority (1)
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KR1020120090793A KR101457340B1 (ko) | 2012-08-20 | 2012-08-20 | 부식방지층을 갖는 증기발생기 튜브시트 및 그 제조 방법 |
Publications (2)
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KR20140024168A KR20140024168A (ko) | 2014-02-28 |
KR101457340B1 true KR101457340B1 (ko) | 2014-11-03 |
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KR1020120090793A KR101457340B1 (ko) | 2012-08-20 | 2012-08-20 | 부식방지층을 갖는 증기발생기 튜브시트 및 그 제조 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9341367B2 (ko) |
JP (1) | JP5761870B2 (ko) |
KR (1) | KR101457340B1 (ko) |
CN (1) | CN103629655B (ko) |
FR (1) | FR2994614B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102011054718B4 (de) * | 2011-10-21 | 2014-02-13 | Hitachi Power Europe Gmbh | Verfahren zur Erzeugung einer Spannungsverminderung in errichteten Rohrwänden eines Dampferzeugers |
CN114211120B (zh) * | 2021-12-31 | 2024-01-12 | 中核武汉核电运行技术股份有限公司 | 一种用于压水堆核电站的蒸汽发生器管子-管板接头 |
CN116288327A (zh) * | 2023-02-16 | 2023-06-23 | 中山大学 | 一种核电蒸汽发生器用防腐减污涂层的制备方法 |
Citations (4)
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US4749117A (en) * | 1986-04-01 | 1988-06-07 | Public Service Electric And Gas Company | Tube sheet welding |
US5088451A (en) * | 1990-04-09 | 1992-02-18 | Westinghouse Electric Corp. | Sludge removal system for removing sludge from heat exchangers |
KR20080067919A (ko) * | 2007-01-17 | 2008-07-22 | 한국과학기술연구원 | 열교환기 및 그 제조방법 |
KR20080098890A (ko) * | 2007-05-07 | 2008-11-12 | 주식회사 티에스엠텍 | 열교환기의 튜브시트의 가공방법 |
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-
2012
- 2012-08-20 KR KR1020120090793A patent/KR101457340B1/ko active IP Right Grant
-
2013
- 2013-03-15 US US13/837,920 patent/US9341367B2/en not_active Expired - Fee Related
- 2013-04-04 JP JP2013078791A patent/JP5761870B2/ja not_active Expired - Fee Related
- 2013-05-17 FR FR1301145A patent/FR2994614B1/fr not_active Expired - Fee Related
- 2013-05-31 CN CN201310215159.0A patent/CN103629655B/zh not_active Expired - Fee Related
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US4749117A (en) * | 1986-04-01 | 1988-06-07 | Public Service Electric And Gas Company | Tube sheet welding |
US5088451A (en) * | 1990-04-09 | 1992-02-18 | Westinghouse Electric Corp. | Sludge removal system for removing sludge from heat exchangers |
KR20080067919A (ko) * | 2007-01-17 | 2008-07-22 | 한국과학기술연구원 | 열교환기 및 그 제조방법 |
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Also Published As
Publication number | Publication date |
---|---|
FR2994614B1 (fr) | 2019-11-01 |
CN103629655B (zh) | 2016-01-27 |
CN103629655A (zh) | 2014-03-12 |
FR2994614A1 (fr) | 2014-02-21 |
US20140048020A1 (en) | 2014-02-20 |
US9341367B2 (en) | 2016-05-17 |
KR20140024168A (ko) | 2014-02-28 |
JP5761870B2 (ja) | 2015-08-12 |
JP2014037957A (ja) | 2014-02-27 |
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