CN103559920B - The device installed for steam generator welding inspection of adapter device and installation method - Google Patents
The device installed for steam generator welding inspection of adapter device and installation method Download PDFInfo
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- CN103559920B CN103559920B CN201310525419.4A CN201310525419A CN103559920B CN 103559920 B CN103559920 B CN 103559920B CN 201310525419 A CN201310525419 A CN 201310525419A CN 103559920 B CN103559920 B CN 103559920B
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- adapter device
- welding inspection
- intermediate bar
- steam generator
- control lever
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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
- 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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Abstract
The invention provides a kind of device for the installation of steam generator welding inspection of adapter device and installation method.Outside steam transmitter, by long rod tool, steel wire hang assembly is delivered to the inner tube sheet place of steam transmitter, be fixed on tube sheet, wire rope is connected with intermediate bar top by pulley; Be connected with one end of intermediate bar by cradle head one welding inspection of adapter device end, the other end of intermediate bar is connected with one end of control lever by cradle head two; By pulling wire rope and promoting intermediate bar and control lever, welding inspection of adapter device, intermediate bar are delivered to steam transmitter inside; Around control lever axis rotating operation bar, make welding inspection of adapter device close to examine weld seam, then start scanning work.The long rod tool that the present invention only forms by control lever and intermediate bar and wire rope, can complete the installation of testing fixture, and installing component is simple, easy to operate, decreases installation workload and personnel's radioactive dose.
Description
Technical field
The present invention relates to one loop of nuclear power station system Dynamic Non-Destruction Measurement, be specifically related to a kind of device for the installation of steam generator welding inspection of adapter device and installation method.
Background technology
According to the related request of ASME specification, the steam generator adapter dissimilar metal welding line of nuclear power generating sets is as the heavy wall weld seam of major loop, and belonging to regulation must examine content, and test range is weld seam inwall 1/3 wall thickness.Up to now, the steam generator welding inspection of adapter device of nuclear power generating sets, all select from weld seam outer wall close to mode ultrasonic examination.Along with the design of nuclear power generating sets improves, the wall thickness dimension of nozzle weld has a larger increase comparatively before.By the limitation of ultrasonic examination method itself, for heavy wall weld seam, need implement to check from nozzle weld inwall, the test range of weld seam can be covered.
In the steam generator of part advanced Nuclear Power unit, its low head is the hemisphere that a diameter is about 4500mm, spheroid is distributed with water outlet side manhole 1, water outlet adapter 2, influent side manhole 3, water inlet adapter etc., as shown in Figure 1.There is a dividing plate 7 end socket inside, will pass in and out hydroecium separately, as shown in Figure 2.As selected from nozzle interior close to being subject to inspection weld seam, the unique channel of its turnover hydroecium is the manhole of hydroecium, people's bore dia is Ф 457.2mm only, and the internal diameter of nozzle weld is Ф 657.4mm, and adapter and manhole deposit 45 ° of angles, water chamber structure feature brings extreme difficulties to the accessibility of welding inspection of adapter device (ultrasonic scan device) and foreign matter collection etc.Therefore, need badly invention a kind of method for steam generator welding inspection of adapter device manual installation, with realize welding inspection of adapter device by manhole and nozzle interior install, location, this is the key realizing welding line ultrasonic self-verifying.
Summary of the invention
The object of the present invention is to provide a kind of device for the installation of steam generator welding inspection of adapter device and installation method, do not enter the problem such as installation, location of situation lower linking tube weld testing apparatus in adapter of steam generator with solution personnel, ensure the enforcement of whole welding line ultrasonic self-verifying process.
Realize the technical scheme of the object of the invention: a kind of device installed for steam generator welding inspection of adapter device, described welding inspection of adapter device is arranged in steam generator, this welding inspection of adapter device is connected with one end of intermediate bar by cradle head one, and the other end of intermediate bar is connected with one end of control lever by cradle head two; Steel wire hang assembly is fixed in steam generator, wire rope one end of steel wire hang assembly is fixed on intermediate bar top, the other end extends steam generator, intermediate bar is arranged in steam transmitter, control lever extends outside steam transmitter, so that operating personnel control athletic posture and the setting angle of welding inspection of adapter device in the outer applying power of steam transmitter.
A kind of device installed for steam generator welding inspection of adapter device as above, control lever described in it is connected to and is fixed on the adjustable installation auxiliary stand of steam transmitter outer wall, adjustable installation auxiliary stand material is stainless steel, be used for adjusting control lever angle, to realize the location of weld testing apparatus in steam transmitter.
As above for the device that steam generator welding inspection of adapter device is installed, the intermediate bar material described in it is aluminium alloy or stainless steel; Described control lever material is aluminium alloy or stainless steel; Described cradle head one, cradle head two material are aluminium alloy or stainless steel.
As above for the device that steam generator welding inspection of adapter device is installed, the wire rope described in it adopts common stainless steel wire rope, to provide a pulling force upwards, to ensure that installation process can be carried out smoothly.
A kind of method of installing for steam generator welding inspection of adapter device of the present invention, it comprises the steps:
A steel wire hang assembly is delivered to the inner tube sheet place of steam transmitter by long rod tool by () outside steam transmitter, be fixed on tube sheet, wire rope is connected with intermediate bar top by pulley;
B (), by welding inspection of adapter device end by being connected with one end of intermediate bar by cradle head one, the other end of intermediate bar is connected with one end of control lever by cradle head two;
C welding inspection of adapter device, intermediate bar, by pulling wire rope and promoting intermediate bar and control lever, are delivered to steam transmitter inside by ();
D (), around control lever axis rotating operation bar, makes welding inspection of adapter device close to examine weld seam, then starts scanning work.
As above for the method that steam generator welding inspection of adapter device is installed, it utilizes the camera supervisory work and location that are installed on bottom steam generator tube sheet or end socket in installation process.
Effect of the present invention is: a kind of device for the installation of steam generator welding inspection of adapter device of the present invention and installation method, can outside steam generator manhole, manual installation welding inspection of adapter device is inner to steam generator, operating personnel stand in outside man-hole opening, need not enter steam generator inside.The long rod tool that the present invention only forms by control lever and intermediate bar and wire rope, can complete the installation of testing fixture, installing component is simple, easy to operate, installation personnel completes whole installation process when not entering steam generator, decreases installation workload and personnel's radioactive dose.And install time fault produce probability low, post-fault is easy.
Accompanying drawing explanation
Fig. 1 is steam generator axle construction schematic diagram;
Fig. 2 is steam generator vertical view;
Fig. 3 is a kind of device schematic diagram installed for steam generator welding inspection of adapter device of the present invention.
In figure: 1. water outlet side manhole; 2. water outlet adapter; 3. influent side manhole; 4. water inlet adapter; 5. influent side hydroecium; 6. water outlet side hydroecium; 7. dividing plate; 8. welding inspection of adapter device; 9. cradle head one; 10. intermediate bar; 11. cradle heads two; 12. steel wire hang assemblies; 13. control lever; 14. wire rope; 15. adjustable installation auxiliary stands;
Embodiment
Below in conjunction with the drawings and specific embodiments, a kind of device for the installation of steam generator welding inspection of adapter device of the present invention and installation method are further described.
Embodiment 1
A kind of device installed for steam generator welding inspection of adapter device of the present invention primarily of intermediate bar 10, control lever 13, cradle head 9,11, adjustable installation auxiliary stand 15, steel wire hang assembly 12, the composition such as wire rope 14.
As shown in Figure 3, welding inspection of adapter device 8 is connected with one end of intermediate bar 10 by cradle head 1, and the other end of intermediate bar 10 is connected with one end of control lever 13 by cradle head 2 11; Steel wire hang assembly 12 is fixed in steam generator, wire rope 14 one end of steel wire hang assembly 12 is fixed on intermediate bar 10 top, the other end extends steam generator, intermediate bar 10 is arranged in steam transmitter, control lever 13 extends outside steam transmitter, so that operating personnel control athletic posture and the setting angle of welding inspection of adapter device 8 in the outer applying power of steam transmitter.
Aforesaid operations bar 13 is connected to and is fixed on the adjustable installation auxiliary stand 15 of steam transmitter outer wall, and adjustable installation auxiliary stand 15 material is stainless steel, is used for adjusting control lever 13 angle, to realize the location of weld testing apparatus 8 in steam transmitter.
Above-mentioned intermediate bar 10 material is aluminium alloy or stainless steel, and control lever 13 material is aluminium alloy or stainless steel, and cradle head 1, cradle head 2 11 material are aluminium alloy or stainless steel.
Above-mentioned wire rope 14 adopts common stainless steel wire rope, to provide a pulling force upwards, to ensure that installation process can be carried out smoothly.
Embodiment 2
Adopt the method for installing for steam generator welding inspection of adapter device of device described in embodiment 1, it comprises the steps:
A () as shown in Figure 3, outside steam transmitter, by long rod tool, steel wire hang assembly 12 is delivered to the inner tube sheet place of steam transmitter, be fixed on tube sheet, wire rope 14 is connected (this point of application being the lifting force of whole installation process) with intermediate bar 10 top by pulley;
B welding inspection of adapter device 8 end is connected with one end of intermediate bar 10 by cradle head 1 by (), the other end of intermediate bar 10 is connected with one end of control lever 13 by cradle head 2 11;
C welding inspection of adapter device 8, intermediate bar 10, by pulling wire rope 14 and promoting intermediate bar 10 and control lever 13, are delivered to steam transmitter inside by ();
D (), around control lever axis rotating operation bar 13, makes welding inspection of adapter device 8 close to examine weld seam, then starts scanning work.
Can utilize in installation process and be installed on camera supervisory work bottom steam generator tube sheet or end socket and location.
During apparatus of the present invention installation and removal, operating personnel stand in outside man-hole opening, need not enter steam generator inside; The long rod tool that main utilization is made up of intermediate bar and control lever and 2 cradle heads provides lever force, lifting welding inspection of adapter device, and controls athletic posture and the setting angle that welding inspection of adapter device enters steam generator inside.
Claims (6)
1. the device installed for steam generator welding inspection of adapter device, described welding inspection of adapter device (8) is arranged in steam generator, it is characterized in that: welding inspection of adapter device (8) is connected by cradle head one (9) one end with intermediate bar (10), the other end of intermediate bar (10) is connected with one end of control lever (13) by cradle head two (11); Steel wire hang assembly (12) is fixed in steam generator, wire rope (14) one end of steel wire hang assembly (12) is fixed on intermediate bar (10) top, the other end extends steam generator, intermediate bar (10) is arranged in steam transmitter, control lever (13) extends outside steam transmitter, so that operating personnel control athletic posture and the setting angle of welding inspection of adapter device (8) in the outer applying power of steam transmitter.
2. a kind of device installed for steam generator welding inspection of adapter device according to claim 1, it is characterized in that: described control lever (13) is connected to and is fixed on the adjustable installation auxiliary stand (15) of steam transmitter outer wall, adjustable installation auxiliary stand (15) material is stainless steel, be used for adjusting control lever (13) angle, to realize weld testing apparatus (8) location in steam transmitter.
3. a kind of device installed for steam generator welding inspection of adapter device according to claim 1, is characterized in that: described intermediate bar (10) material is aluminium alloy or stainless steel; Described control lever (13) material is aluminium alloy or stainless steel; Described cradle head one (9), cradle head two (11) material are aluminium alloy or stainless steel.
4. a kind of device installed for steam generator welding inspection of adapter device according to claim 1, it is characterized in that: described wire rope (14) adopts common stainless steel wire rope, to provide a pulling force upwards, to ensure that installation process can be carried out smoothly.
5. adopt a method of installing for steam generator welding inspection of adapter device for any one device described in claim 2 to 4, it is characterized in that, the method comprises the steps:
A steel wire hang assembly (12) is delivered to the inner tube sheet place of steam transmitter by long rod tool by () outside steam transmitter, be fixed on tube sheet, wire rope (14) is connected with intermediate bar (10) top by pulley;
B (), by welding inspection of adapter device (8) end by being connected by cradle head one (9) one end with intermediate bar (10), the other end of intermediate bar (10) is connected with one end of control lever (13) by cradle head two (11);
C welding inspection of adapter device (8), intermediate bar (10), by pulling wire rope (14) and promoting intermediate bar (10) and control lever (13), are delivered to steam transmitter inside by ();
D (), around control lever axis rotating operation bar (13), makes welding inspection of adapter device (8) close to examine weld seam, then starts scanning work.
6. a kind of method of installing for steam generator welding inspection of adapter device according to claim 5, is characterized in that, utilize the camera supervisory work and location that are installed on bottom steam generator tube sheet or end socket in installation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310525419.4A CN103559920B (en) | 2013-10-30 | 2013-10-30 | The device installed for steam generator welding inspection of adapter device and installation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310525419.4A CN103559920B (en) | 2013-10-30 | 2013-10-30 | The device installed for steam generator welding inspection of adapter device and installation method |
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| CN103559920A CN103559920A (en) | 2014-02-05 |
| CN103559920B true CN103559920B (en) | 2016-01-27 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641653B (en) * | 2015-10-28 | 2019-02-26 | 国核电站运行服务技术有限公司 | A kind of tube sheet installation tool for steam generator detection |
| CN106855225A (en) * | 2015-12-09 | 2017-06-16 | 核动力运行研究所 | A kind of steam generator takes over anti-foreign matter device vertically |
| CN108269626B (en) * | 2016-12-30 | 2023-08-15 | 核动力运行研究所 | Ultrasonic inspection system for inner wall of vertical connecting pipe of nuclear reactor steam generator |
| CN112730469B (en) * | 2020-12-24 | 2022-12-30 | 苏州天河中电电力工程技术有限公司 | Multi-section type steam generator connecting pipe radiographic inspection source pipe positioning device |
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| US5171518A (en) * | 1992-02-21 | 1992-12-15 | Combustion Engineering, Inc. | Method of determining differences or changes in the rate of heat transfer through tube walls |
| EP1803996A1 (en) * | 2005-12-29 | 2007-07-04 | Areva NP | Intervention method and device in a water-chamber of a heat exchanger |
| CN102855950A (en) * | 2012-07-31 | 2013-01-02 | 清华大学 | Defect detection device and using method thereof for heat transfer tube of steam generator |
| CN203026174U (en) * | 2012-12-17 | 2013-06-26 | 核动力运行研究所 | Automatic mounting platform for steam generator connecting tube weld joint detecting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5314609B2 (en) * | 2010-01-27 | 2013-10-16 | 三菱重工業株式会社 | Water chamber working device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171518A (en) * | 1992-02-21 | 1992-12-15 | Combustion Engineering, Inc. | Method of determining differences or changes in the rate of heat transfer through tube walls |
| EP1803996A1 (en) * | 2005-12-29 | 2007-07-04 | Areva NP | Intervention method and device in a water-chamber of a heat exchanger |
| CN102855950A (en) * | 2012-07-31 | 2013-01-02 | 清华大学 | Defect detection device and using method thereof for heat transfer tube of steam generator |
| CN203026174U (en) * | 2012-12-17 | 2013-06-26 | 核动力运行研究所 | Automatic mounting platform for steam generator connecting tube weld joint detecting device |
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| CN103559920A (en) | 2014-02-05 |
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