GB2529576A - A Nuclear Steam Generator Circular Seam Heat Treatment Unit System and the Purpose thereof - Google Patents
A Nuclear Steam Generator Circular Seam Heat Treatment Unit System and the Purpose thereof Download PDFInfo
- Publication number
- GB2529576A GB2529576A GB1519229.7A GB201519229A GB2529576A GB 2529576 A GB2529576 A GB 2529576A GB 201519229 A GB201519229 A GB 201519229A GB 2529576 A GB2529576 A GB 2529576A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steam generator
- heat treatment
- circular seam
- nuclear steam
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
-
- 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
- C21D9/505—Cooling thereof
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
-
- 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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C1/00—Reactor types
- G21C1/32—Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but not essential to the reaction, e.g. heat exchangers, are disposed inside the enclosure with the core
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/023—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers with heating tubes, for nuclear reactors as far as they are not classified, according to a specified heating fluid, in another group
- F22B1/025—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers with heating tubes, for nuclear reactors as far as they are not classified, according to a specified heating fluid, in another group with vertical U shaped tubes carried on a horizontal tube sheet
-
- 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
Abstract
Apparatus for heat treating circular weld seams 11 & 21 on a nuclear steam generator where the apparatus comprises a heat treatment device, means for applying cooling gas with controllable flow into the steam generator, means for applying heating gas with controllable flow and controllable temperature into the steam generator, means for measuring temperature, means for measuring displacement of a support plate in the steam generator and means for measuring eddy currents in at least 20 heat exchanger tubes both before and after heat treatment. The heat treatment device can be an electric heating panel and thermocouples can be used to measure temperature in different zones of the steam generator. During heat treatment the means for applying cooling gas and the means for applying heating gas are connected to apertures R1, S1, S2, T1, T1 & U1-U4 in the steam generator.
Description
A Nuclear Steam Generator Circular Seam Heat Treatment Unit System arid the Purpose thereof
FIELD OF THE INVENTION
The present invention relates to a nuclear heat treatment technology, and relates to a control technology which prevents heat exchange tube from pitting during circular seam heat treatment process of nuclear steam generator, particularly to a nuclear steam generator circular seam heat treatment unit and the purpose thereof
BACKGROUND OF THE INVENTION
As shown in FIG. 1, the nuclear steam generator comprises an upper component 10 and a lower component 20; the upper component 10 has upper circular seam 11 and the lower component 20 has a corresponding lower circular seam 21. During the manufacturing process of nuclear steam generator, the upper circular seam 11 and lower circular seam 12 shall go through partial heat treatment.
Nuclear steam generator has high design requirements and complicated manufacturing processes; the partial heat treatment process of critical circular seam has special technical requirements. Due to large size and complicated structure of steam generator, the heat treatment shall eliminate residual welding stress and prevent heat exchange tube from pitting due to permanent indentation which is caused by support plate deformation because of nonuniform heat expansion of parts during heat treatment process. Therefore, effective control technologies must be taken to prevent heat exchange tube from pitting during circular seam partial heat treatment.
On one hand, the control technology to prevent heat exchange tube from pitting may prevent heat exchange tube from pitting caused by permanent indentation during the heat treatment process; on the other hand, the successful application of such technology may optimize the manufacturing process of steam generator, thus greatly shortening the manufacturing period of entire steam generator. During the manufacturing process of steam generator, the manufacturing procedures for final two circular seams may adopt two patterns.
Pattern 1: firstly buff the upper circular seam ii and then buff the lower circular seam 2 Pattern 2: firstly butt the lower circular seam 2t and then butt the upper circular seam ti. In the existing technologies, the manufacturing procedures of steam generator in domestic and foreign similar manufacturing factories, the manufacturing procedures of steam generator all adopt Pattern 2 which butts the lower circular seam 21 and then butts the upper circular seam I].
However, the upper components are mostly structural components, with carbon steel and stainless steel as the main material, simple manufacturing and may be outsourced, short manufacturing period, firstly equipped with assemble welding conditions; the lower end enclosure of lower components have complicated structure, various manufacturing processes, huge welding and machining workload, and long manufacturing period. Entire manufacturing period of steam generator may be shortened by 6 months if the manufacturing procedures of Pattern I can be applied. However, Pattern I will increase the occurrence risk of heat exchange tube be pitted and greatly increase the control difficulty.
Therefore, a control technology effectively preventing heat exchange tube from pitting shall be developed for Pattern I (the steam generator manufacturing process that butts the upper circular seam first and then butts the lower circular seam).
SUMMARY OF THE INVENTION
The purpose of the present invention is to provide a circular seam heat treatment technology for steam generator which firstly butts the upper circular seam and then butts the lower circular seam, thus preventing pit on heat exchange tube.
To achieve the above purpose, the present invention provides a nuclear steam generator circular seam heat treatment unit system, which includes: A heat treatment device; A cold air ventilation device with controllable flow connected to opening hole on steam generator shell; A hot air ventilation device with controllable temperature and flow connectted to opening hole on steam generator shell; A displacement measuring system, used to measure the edge displacement of steam generator support plate; A temperature detection system; and A non-destructive testing equipment, used to detect, compare and analyze the eddy current of at least 20 heat exchange tubes surrounding the support plate before and after the heat treatment, to confirm whether the heat exchange tubes have pit.
The above nuclear steam generator circular seam heat treatment unit system, wherein, the heat treatment equipment includes: electric heating panel, insulation material, several thermocouples and electric heating CNC system; Moreover, the heat treatment equipment also includes electric heating panel fixture and insulation material fixture.
The above nuclear steam generator circular seam heat treatment unit system, wherein, the cold air ventilation device with controllable flow includes cooling equipment, ventilation duct, flow control cabinet and flow tester.
The above nuclear steam generator circular seam heat treatment unit system, wherein, the maximum air flow of cooling equipment is 10000m3/h at least, and the flow can be steplessly adjusted during the use.
The above nuclear steam generator circular seam heat treatment unit system, wherein, the hot air ventilation device with controllable temperature and flow includes heating equipment, ventilation duct, flow control cabinet, temperature control cabinet, flow tester and electric heater.
The above nuclear steam generator circular seam heat treatment unit system, wherein, the maximum air flow of the heating equipment is 10000m3/h at least, and the flow can be steplessly adjusted during the use.
The above nuclear steam generator circular seam heat treatment unit system, the minimum power of the electric heater is 20KW; the maximum adjustable temperature is 250 J, The above nuclear steam generator circular seam heat treatment unit system, the maximum edge displacement of support plate in angle shall not exceed 1.50.
The above nuclear steam generator circular seam heat treatment unit system, wherein, the temperature detection system includes several thermocouples to detect steam generator temperature in different zones The present invention also provides the purpose of above nuclear steam generator circular seam heat treatment unit system. The nuclear steam generator circular seam includes the upper circular seam and the lower circular seam, and the system can be used in nuclear steam generator manufacturing process which butts the upper circular seam and then butts the lower circular seam.
The nuclear steam generator circular seam heat treatment unit system provided in the present invention can be used in nuclear steam generator manufacturing process (such process firstly butts the upper circular seam and then butts the lower circular seam), which not only prevents pit on heat exchange tube due to permanent indentation which is caused by support plate deformation because of nonuniform heat expansion of parts, but also optimizes steam generator manufacturing process to significantly shorten the manufacturing period of entire steam generator.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG 1 is the schematic drawing of steam generator circular seam position in existing technologies; FIG 2 is the schematic drawing of cooling equipment connector position in the partial heat treatment process of the upper circular seam II of the nuclear steam generator in the present invention; FIG 3 is the section drawing of Ui and U2 connectors in FIG 2.
FIG 4is the schematic drawing of heating and cooling equipment connector positions in the partial heat treatment process of the lower circular seam 21 of the nuclear steam generator in the present invention.
DETAILED DESCRIPTION OF THE INVENTION
The following will further describe the technical scheme of the present invention in combination with the attached drawings.
To prevent pit on heat exchange tube, the circular seam heat treatment process requires a set of complete heat treatment equipment, a cold air ventilation device with controllable flow, a hot air ventilation device with controllable temperature and flow, a displacement measuring system, a temperature detection system and non-destructive testing equipment, etc. The heat treatment equipment includes electric heating panel, insulation material, thermocouple and electric heating CNC system, electric heating panel fixture and insulation material fixture, etc. The cold air ventilation device with controllable flow includes cooling equipment, ventilation duct, flow control cabinet and flow tester. During the heat treatment process, the device connects to opening hole on steam generator shell to blow in cold air or draw out hot air.
The maximum air flow of cooling equipment is 10000m3/h at least, and the flow can be steplessly adjusted during the process.
The hot air ventilation device with controllable temperature and flow includes heating equipment, ventilation duct, flow control cabinet, temperature control cabinet, flow tester and electric heater. During the heat treatment process, the device connects to opening hole on steam generator shell to blow in hot air. The maximum air flow of heating equipment is 1 0000m3/h at least, and the flow can be steplessly adjusted during the process. The minimum power of electric heater is 20KW, and the maximum adjustable temperature is 250fl.
The displacement measuring system adopts special measuring equipment to measure edge displacement of support plate. The measuing equipment conducts data collection, monitoring and analysis through the connected instrument. Four measuring equipments are distributed on support plate edges, in which 2 measuring equipments distribute through 2 inspection holes on steam generator, and 2 other measuring equipments distribute vertically with the above 2 measuring equipments.
The temperature detection system includes several thermocouples; during the heat treatment process, different quantity of thermocouples are located in heat exchange tube, hand hole and inspection hole to detect temperature in different zones, thus providing data for effective control of cooling and hot air volume.
The non-destructive testing equipment is used to detect, compare and analyze the eddy current of at least 20 heat exchange tubes surrounding the support plate before and after the heat treatment, to confirm whether the heat exchange tubes have pit and whether control technology is successful.
Above all equipments are installed before circular seam partial treatment. During the heat treatment process, cold/hot air volume and temperature, as well as opening and closing of opening holes on steam generator shell, are adjusted by the monitoring results of support plate edge displacement, temperature monitoring results of thermocouples at different locations. It can be judged whether the control technology to prevent pit on heat exchange tube is successful applied by the eddy current testing results of heat exchange tube. During the heat treatment process, the maximum angle converted from support plate edge displacement shall not exceed 1.5° for control.
During upper circular seam 11 partial heat treatment of steam generator involved in the present invention, heating and cooling equipment connectors (RI, S, S2, TI, T2, U], U2, U3, TJ4) in cold air ventilation device with controllable flow, hot air ventilation device with controllable temperature and flow are shown in FIG 2 and FIG 3, wherein, Ui-U4 connectors are uniformly located in the circle of steam generator shell, with distribution schematic drawing as shown in FIG 3. The detailed connectors, connector opening and closing situations during heat treatment process are shown in Table 1. Any scheme in ten schemes as shown in Table I can achieve a certain effect; equipments A, B and C are cooling equipments, and they are connected with coresponding connectors in Table I, Table 1: Upper circular scam 11 heal exchange tube pit protccUon scheme Scheme Equipment Coirnector Heating stage insulation stage Cooling stage Reinailc (the opening/closing of other connectors excliidiiig the comiectors of the connecting eqitipment in the table) A Si Drawing off air Drawing off air Drawing off air Only Ui-U4 opening. other conncctors closing 2 A 51 Drawing off air Drawing off air Drawing off air Oniv U 1 -U4 opening. other connectors B Ri Drawing off air Drawing off air Drawing off air closing 3 A SI Drawing off air Drawing off air Drawing off air Other connectors closing C UL1J4 Blowing in air Blowing in air Blowing in air 4 A Si Drawing off air Drawing off air Drawing off air Other connectors closing B Ri Drawing off air Drawing off air Drawing off air C U iU4 Blowing in air Blowing in air Blowing in air A SI Drawing off air Drawing off air Drawing off air Only UI -U4 opening, other connectors B Tl Drawing off air Drawing off air Drawing off air closing 6 A SI Drawing off air Drawing off air Drawing off air Other connectors closing B TI Drawing off air Drawing off air Drawing off air C UL4J4 Blowing in air Blowing in air Blowing in air 7 A Ri Drawing off air Drawing off air Drawing off air Only Ui-U4 opening, other connectors closing 8 A Ri Drawing off air Drawing off air Drawing off air Other connectors closing C UI U4 Blowing in air Blowing in air Blowing in air 9 A Ri Drawing off air Drawing off air Drawing off air Only Ui-U4 opening. other connectors B TI Drawing off air Drawing off air Drawing off air closing K) A Ri Drawing off air Drawing off air Drawing off air Other conncctors closing B 11 Drawing off air Drawing off air Drawing off air C U iU4 Blowing in air Blowing in air Blowing in air During lower circular seam 21 partial heat treatment of steam generator, heating and cooling equipment connectors (Ri, Si, S2, Ti, T2, UI, U2, U3, U4) in cold air ventilation device with controllable flow, hot air ventilation device with controllable temperature and flow are shown in FIG 3 and FIG4. The detailed connectors, connector opening and closing situations during heat treatment process are shown in Table 2. Any scheme in ten schemes as shown in Table 2 can achieve a certain effect; equipments A, BI and B2 are cooling equipments, C is heating equipment, and they are connected with corresponding connectors in Table 2. a
Table 2: Lower circular scam 21 heM exchangc lube pit protection scheme Scheme Equipment Corn1ector Heating stage Insulation stage Cooling stage Remark (the opening/closing of other connectors excluding the connectors of the connecting equipment in the table) 1 A S2 Blowing in cold air Blowing in cold air Blowthg in cold air Healing and rnsulalion stagc: other El U 1 Blowing in cold air Blowing in cold air / connectors closing excluding connector Ri B2 SI / / Blowing in cold air opening C U2 Blowing in hot air Blowiiig in hot air Blowing in hot air Cooliflg stage: other connecto opefling excluding conncctorR I closing 2 A Si Blowing in cold air Blowing in cold air Blowiig in cold air Healing and insulalion stage: oilier B I UI Blowing in cold air Blowiiig in cold air / connectors closing excluding connector Ri B2 S2 I I Blowthg in cold air opening C U2 Blowing in hot air Blowing in hot air Blowing in hot aft-Cooling stage: other connectors opening excluding connectorR I closing 3 A S2 Blowing in cold air Blowing in cold air Blowthg in cold air For all stagcs, other conncctors closing B 1 Ui Blowing in cold air Blowing in cold air / excluding connector Ri opening C U2 Blowing in hot air Blowing in hot air Blowing in hot air 4 A Si Blowing in cold air Blowing in cold air Blowiig in cold air For all stages, other coirnectors closing B I UI Blowing in cold air Blowing in cold air / excluding connector R 1 opening C U2 Blowing in hot air Blowing in hot air Blowing in hot air A S2 Blowing in cold air Blowing in cold air Blowing in cold air Hcahng and insulation stagc: othcr 132 Si / / Blowiig in cold air conncctors closing cxcluding conncctor Ri C 1J2 Blowing i hot air Blowiiig h hot uir Blowing in hot air opening Cooling stage: other connectors opening excluding connector Ri closiig 6 SI Blowing h cold air Blowiiig h cold air Blowing in cold uir Heating aiid isu1atio stage: othcr B2 52 / / Blowing in cold air connectors closing excluding connector Ri C U2 Blowing in hot air Blowiiig in hot air Blowing in hot air opening Coolil1g stage: all coimectors opening excluding connector Ri closing 7 A S2 Blowing in cold air Blowing in cold air Blowiig in cold air For all stages, other coirnectors closing C U2 Blowing in hot air Blowing in hot air Blowiig in ho air excluding connectorR 1 openiig 8 SI Blowii-ig h cold air Blowiiig h cold air Blowing in cold uir For all stagcs, other conncctors closing C U2 Blowing in hot air Blowing in hot air Blowthg in ho air excluding conncctorR I opening 9 S2 Blowing in cold air Blowiiig in cold air Blowing in cold air I-leafing mid insulation stage: other B 1 Ui Blowing in cold air Blowing in cold air / corinectois closiTig excluding comector RI B2 Si Blowing in cold air Blowing in cold air Blowing in cold air openillg C 1J2 Blowing i hot air Blowiiig i hot air Blowing in hot air Cooling stagc: all conncctors opcning excluding connector Ri closillg S I Blowing in cold air Blowing in cold air Blowing in cold air Healing and insulation stage: other conncctors closing cxcluding connector RI opcinng Cooling stagc: all coimcctors opcning excluding connector Ri closiing Note: "1' in Tabk 2 indicates that the connector connecting the equipment is tinder dose state.
The nuclear steam generator circular seam heat treatment unit system provided in the present invention is used in nuclear steam generator manufacturing process which butts the upper circular seam and then butts the lower circular seam, by controlling the usage quantity of heating equipment and cooling equipment, connector, connector opening and closing use time, application parameters of heating equipment and cooling equipment, maximum limitation of support plate edge displacement, it not only prevents pit on heat exchange tube due to permanent indentation which is caused by support plate deformation because of nonuniform heat expansion of parts, but also optimizes steam generator manufacturing process to significantly shorten the manufacturing period of entire steam generator.
Even though the contents of the present invention have been described in detail through the above preferred embodiments, it should be understood that the above descriptions are not limitation to this present invention. It is obvious to modify and rep'ace the present inventions in many ways after persons skilled in the art read above contents. Therefore, the protection scope of the present invention shall fall within the scope as defined by the claims.
Claims (9)
- Claims 1 A nuclear steam generator circular seam heat treatment unit system, wherein, the system includes: a heat treatment device; a cold air ventilation device with controllable flow; a hot air ventilation device with controllable temperature and flow; a displacement measuring system, used to measure the edge displacement of steam generator support plate; a temperature detection system; and a non-destructive testing equipment, used to detect, compare and analyze the eddy current of at least 20 heat exchange tubes surrounding the support plate before and after the heat treatment, to confirm whether the heat exchange tubes have pit.
- 2. The nuclear steam generator circular seam heat treatment unit system of claim I, wherein, said heat treatment equipment includes: electric heating panel, insulation material, several thermocouples and electric heating CNC system.
- 3. The nuclear steam generator circular seam heat treatment unit system of claim I, wherein, said cold air ventilation device with controllable flow includes cooling equipment, ventilation duct, flow control cabinet and flow tester.
- 4. The nuclear steam generator circular seam heat treatment unit system of claim 3, wherein, the maximum air flow of said cooling equipment is I 0000m3/h at least, and the flow can be steplessly adjusted during the use.
- 5, The nuclear steam generator circular seam heat treatment unit system of claim t, wherein, said hot air ventilation device with controllable temperature and flow includes heating equipment, ventilation duct, flow control cabinet, temperature control cabinet, flow tester and electric heater.
- 6. The nuclear steam generator circular seam heat treatment unit system of claim 5, wherein, the maximum air flow of said heating equipment is at least 10000m3/h, and the flow can be steplessly adjusted during the use.
- 7. The nuclear steam generator circular seam heat treatment unit system of claim 5, *11 wherein, the minimum power of said electric heater is 20KW, and the maximum adjustable temperature is 250LJ.
- 8. The nuclear steam generator circular seam heat treatment unit system of claim t, wherein, the maximum edge displacement of said support plate in angle shall not exceed 1.50.
- 9. The nuclear steam generator circular seam heat treatment unit system of claim 1, wherein, said temperature detection system includes several thermocouples to detect steam generator temperature in different zones.10, The purpose of nuclear steam generator circular seam heat treatment unit system of claim 1, the nuclear steam generator circular seam includes the upper circular seam (t 1) and the lower circular seam (t2), wherein, said system can be used in nuclear steam generator manufacturing process which butts the upper circular seam (11) and then butts the lower circular seam (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410615413.0A CN104357644B (en) | 2014-11-05 | 2014-11-05 | A kind of nuclear steam generator circumferential weld annealing device system and application thereof |
| PCT/CN2014/001169 WO2016070301A1 (en) | 2014-11-05 | 2014-12-25 | Heat treatment device system for circular seam of nuclear power steam generator and use thereof |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201519229D0 GB201519229D0 (en) | 2015-12-16 |
| GB2529576A true GB2529576A (en) | 2016-02-24 |
| GB2529576B GB2529576B (en) | 2016-12-21 |
Family
ID=52524950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1519229.7A Active GB2529576B (en) | 2014-11-05 | 2014-12-25 | A Nuclear Steam Generator circular Seam Heat Treatment Unit System and the Purpose thereof |
Country Status (6)
| Country | Link |
|---|---|
| KR (1) | KR101711367B1 (en) |
| CN (1) | CN104357644B (en) |
| GB (1) | GB2529576B (en) |
| RO (1) | RO132254B1 (en) |
| WO (1) | WO2016070301A1 (en) |
| ZA (1) | ZA201508039B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104726681B (en) * | 2015-04-08 | 2017-03-01 | 上海电气核电设备有限公司 | A kind of fixing device and application thereof |
| CN105132658B (en) * | 2015-08-26 | 2017-12-22 | 上海电气核电设备有限公司 | A kind of device for improving hot-air flow direction and distribution |
| CN107464587A (en) * | 2017-07-13 | 2017-12-12 | 东方电气(广州)重型机器有限公司 | Nuclear steam generator local heat treatmet prevents the system and method for heat-transfer pipe indenture |
| CN107723454A (en) * | 2017-11-28 | 2018-02-23 | 哈电集团（秦皇岛）重型装备有限公司 | A kind of tube sheet component and low head component girth joint localized heat treatment process |
| CN111140830A (en) * | 2019-11-26 | 2020-05-12 | 深圳中广核工程设计有限公司 | Vertical steam generator of pressurized water reactor nuclear power station and loose part trapping device thereof |
| CN115058574A (en) * | 2022-05-11 | 2022-09-16 | 上海电气核电设备有限公司 | Intelligent control system for preventing TUBEDING of nuclear power steam generator |
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|---|---|---|---|---|
| US4326897A (en) * | 1979-04-26 | 1982-04-27 | Anthony Ruhe | Post weld heat treatment of shell and tube heat exchangers and apparatus |
| JPS60121227A (en) * | 1983-12-02 | 1985-06-28 | Hitachi Ltd | High-frequency heating treatment of barrel body for heat exchanger |
| KR20120059140A (en) * | 2010-11-30 | 2012-06-08 | 두산중공업 주식회사 | Tube defects monitoring method during post weld heat treatment for nuclear steam generator |
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| RU2049125C1 (en) * | 1992-12-04 | 1995-11-27 | Борис Ильич Соловьев | Device for thermal treatment of large-sized hollow articles |
| FR2858845B1 (en) * | 2003-08-13 | 2005-11-11 | Framatome Anp | HEAT EXCHANGER AND METHOD OF MANUFACTURE |
| CN101906522B (en) * | 2010-05-26 | 2012-03-28 | 东方电气(广州)重型机器有限公司 | Circular seam local heat-treatment heater for nuclear steam generator |
| CN201722409U (en) * | 2010-05-26 | 2011-01-26 | 东方电气(广州)重型机器有限公司 | Circular seam local heating device of nuclear-power steam generator |
| JP2012145284A (en) * | 2011-01-13 | 2012-08-02 | Mitsubishi Heavy Ind Ltd | Steam generator |
| DE102011054718B4 (en) * | 2011-10-21 | 2014-02-13 | Hitachi Power Europe Gmbh | Method for generating a voltage reduction in erected tube walls of a steam generator |
| CN204224666U (en) * | 2014-11-05 | 2015-03-25 | 上海电气核电设备有限公司 | A kind of nuclear steam generator circumferential weld thermal treatment unit system |
-
2014
- 2014-11-05 CN CN201410615413.0A patent/CN104357644B/en active Active
- 2014-12-25 KR KR1020157034460A patent/KR101711367B1/en active IP Right Grant
- 2014-12-25 WO PCT/CN2014/001169 patent/WO2016070301A1/en active Application Filing
- 2014-12-25 RO ROA201700120A patent/RO132254B1/en unknown
- 2014-12-25 GB GB1519229.7A patent/GB2529576B/en active Active
-
2015
- 2015-10-29 ZA ZA2015/08039A patent/ZA201508039B/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326897A (en) * | 1979-04-26 | 1982-04-27 | Anthony Ruhe | Post weld heat treatment of shell and tube heat exchangers and apparatus |
| JPS60121227A (en) * | 1983-12-02 | 1985-06-28 | Hitachi Ltd | High-frequency heating treatment of barrel body for heat exchanger |
| KR20120059140A (en) * | 2010-11-30 | 2012-06-08 | 두산중공업 주식회사 | Tube defects monitoring method during post weld heat treatment for nuclear steam generator |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA201508039B (en) | 2017-11-29 |
| RO132254A2 (en) | 2017-11-29 |
| KR101711367B1 (en) | 2017-03-13 |
| KR20160070722A (en) | 2016-06-20 |
| GB2529576B (en) | 2016-12-21 |
| GB201519229D0 (en) | 2015-12-16 |
| CN104357644B (en) | 2016-10-05 |
| CN104357644A (en) | 2015-02-18 |
| RO132254B1 (en) | 2023-03-30 |
| WO2016070301A1 (en) | 2016-05-12 |
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