CN106970146A - A kind of steam generator heat-transfer pipe detection device orientation connecting mechanism - Google Patents
A kind of steam generator heat-transfer pipe detection device orientation connecting mechanism Download PDFInfo
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- CN106970146A CN106970146A CN201710192317.3A CN201710192317A CN106970146A CN 106970146 A CN106970146 A CN 106970146A CN 201710192317 A CN201710192317 A CN 201710192317A CN 106970146 A CN106970146 A CN 106970146A
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- connecting mechanism
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- expansion tube
- shaped axis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
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Abstract
The present invention proposes a kind of steam generator heat-transfer pipe detection device orientation connecting mechanism, and the orientation connecting mechanism includes rotary cylinder, end cap, inner cylinder tube, shaft coupling, torsion spring, power transmission shaft, outer cylinder, special-shaped axis, expansion tube and gas port；Special-shaped axis is in expansion tube；Rotary cylinder is arranged on end cap, then is arranged on by end cap on inner cylinder tube, and the output shaft of rotary cylinder is connected by shaft coupling with power transmission shaft；Torsion spring is arranged on power transmission shaft, and one end is fixed on inner cylinder tube, and the other end is fixed on power transmission shaft；Special-shaped axis, has many places casting lug thereon, one end is connected with power transmission shaft at one section of its axle body；There is many places axial narrow tank expansion tube, one end and has many places groove inside this section of pipe, and groove coordinates with the casting lug thereon on special-shaped axis, and the other end is connected with inner cylinder tube.The present invention solves the stuck in the prior art and reliable technical problem of fluctuation of service.
Description
Technical field
The present invention relates to a kind of pipeline tensioner orientation connecting mechanism, more particularly to a kind of steam generator heat-transfer pipe detection is set
Standby orientation connecting mechanism.
Background technology
Main function of the steam generator in pressurized-water reactor nuclear power plant be by thousands of sliver transvers sections inside it for circle
Heat-transfer pipe, the heat energy of nuclear reactor primary Ioops is transmitted to secondary circuit, then Steam Actuation steamer is produced by the heat energy of secondary circuit and is sent out
Electric power generation.Steam generator plays a part of obstructing primary Ioops radiogenic heat supporting agent as the border of primary Ioops and secondary circuit,
If damaged and leakage occurs for the heat-transfer pipe of evaporator, the hot supporting agent of primary Ioops can be flowed into secondary circuit, can produce serious
Nuclear leakage is polluted, and is threatened the personal safety with environment by serious, is caused great production accident, so to the biography of steam generator
Heat pipe state carries out the particularly significant of regularly examination and maintenance change.
On thousands of heat-transfer pipes of evaporator tube sheet on its interior, detect main using being vortexed lossless inspection to it at present
The method of survey.Because evaporator has very strong nuclear radiation, it is necessary to which eddy current detecting equipment to be installed to the inside of evaporator, by
Operating personnel detect in remote control detection device to heat-transfer pipe.
The existing frequently-used method that detection device is sent into inside steam generator mainly has two kinds, and one kind is using machinery
Detection device is sent into the inside of steam generator by arm, and mechanical arm floor installation is fixed on an evaporator, and detection device is arranged on
Mechanical arm tail end, being accurately positioned for detection device opposing heat transfer pipe is realized by mechanical arm, and this method needs more matching somebody with somebody to be arranged
It is standby, and equipment is heavy, installing/dismounting trouble, is not easy to execute-in-place；Another method is that use can be suspended on tube sheet, and
The robot that can be creeped on tube sheet is detected that robot configures a plurality of tension mechanism, and these tension mechanisms can be plugged into biography
In the circular pore of heat pipe, by controlling its spreading and contraction, realize and be fixedly connected and discharge, robot with heat-transfer pipe pore
Tied simultaneously with release so as to realize its freely creeping and positioning on tube sheet using the alternating connection of multiple this tension mechanisms
The EDDY CURRENT instrument that robot is carried is closed, the detection to heat-transfer pipe is realized, this robot device mechanism is light and handy, installing/dismounting
Convenient, nuclear power plant evaporator heat-transfer pipe is had become at present predominantly detects equipment.
When being in tensioner connection status between tension mechanism and heat-transfer pipe pore, it is desirable to which tension mechanism can provide enough
Expanding force discharges so as to ensure that robot reliably can be suspended on tube sheet when being between tension mechanism and heat-transfer pipe pore
During state, it is desirable to which tension mechanism reliably can unclamp with heat-transfer pipe pore, so that tension mechanism can be from heat-transfer pipe pore
It is middle to retract, in order to movement of the robot on tube sheet, it is therefore desirable to design one kind can in circular pore by spreading and
The tensioner orientation connecting mechanism for shrinking to be fixedly connected and discharge.
The content of the invention
It is an object of the invention to overcome the shortcoming and deficiency of prior art to be detected there is provided a kind of steam generator heat-transfer pipe
Equipment orientation connecting mechanism.
The purpose of the present invention is achieved through the following technical solutions：A kind of steam generator heat-transfer pipe detection device is located by connecting
Mechanism, the orientation connecting mechanism includes rotary cylinder 1, end cap 2, inner cylinder tube 3, shaft coupling 4, torsion spring 5, power transmission shaft 6, outer cylinder
8th, special-shaped axis 9, expansion tube 10 and gas port 13；The rotary cylinder 1 is arranged on end cap 2, and is arranged on inner cylinder tube by end cap 2
On 3；The output shaft of the rotary cylinder 1 is connected by shaft coupling 4 with power transmission shaft 6；One end of the torsion spring 5 is fixed on inner cylinder tube
On 3, the other end is fixed on power transmission shaft 6；The outer cylinder 8 is connected by extension spring 14 with end cap 2, and the outer cylinder 8 is provided with
Gas port 13；One end of the special-shaped axis 9 is connected with power transmission shaft 6, and provided with least two casting lug thereon 91 at its axle body；It is described
Special-shaped axis 9 is in expansion tube 10；One end of the expansion tube 10 is provided with recessed provided with least two inside multiple axial narrow tanks and pipe
Groove 101, and groove 101 is engaged with the casting lug thereon 91 on special-shaped axis 9, the other end is connected with inner cylinder tube 3.
Further, the surface of casting lug thereon 91 on the special-shaped axis 9 tangent is combined by the circular arc of multistage different radii.
Further, the quantity of casting lug thereon 91 is three pieces.
Further, the surface of interior grooves 101 of the expansion tube 10 by multistage different radii circular arc it is tangent combination and
Into.
Further, the quantity of interior grooves 101 of expansion tube 10 is three.
Further, the axial narrow tank of described one end of expansion tube 10 is six.
Further, the special-shaped axis 9 is provided with internal axle sleeve 11, and the outer cylinder 8 is provided with outer shaft 12, passes through interior axle
Set 11 and outer shaft 12, which coordinate, realizes sealing.
Further, the power transmission shaft 6 is provided with two deep groove ball bearings 7.
Further, the rotary cylinder 1 makes the casting lug thereon 91 of special-shaped axis 9 produce or be transferred in expansion tube by rotation
Groove 101 causes expansion tube 10 to be locked or and heat-transfer pipe with heat-transfer pipe 16 so as to control the expansion and contraction of expansion tube 10
16 unclamp.
Further, the torsion spring 5 is used for when orientation connecting mechanism is died suddenly, is made by torsion spring 5 itself torsion different
Shape axle 9 rotates, so that the spreading of expansion tube 10 is locked with heat-transfer pipe 16.
The arcwall face that special-shaped axis is protruded above in the arcwall face and expansion tube of block cooperates, and tensioner can be located by connecting
Mechanism promptly can reliably switch with releasing orientation, it is to avoid stuck situation occur；Additionally, due to the effect of torsion spring, tensioner
Its expansion tube is in swelling state in the case where no power is inputted for orientation connecting mechanism, and this causes if operationally
In the case that the pneumatic supply of rotary cylinder weakens even disappearance, robot will not also fall down from heat-transfer pipe, it is to avoid anticipate
Outside；Thus the operation of the tensioner orientation connecting mechanism of the present invention is sufficiently stable reliable.
Brief description of the drawings
Fig. 1 is structure chart of the invention；
Fig. 2 is front view of the invention；
Fig. 3 is the top view of expansion tube；
Fig. 4 is the sectional view of expansion tube；
Fig. 5 is the sectional view of special-shaped axis；
Fig. 6 is the axonometric drawing of special-shaped axis.
Embodiment
The technical scheme in the embodiment of the present invention is carried out below in conjunction with the accompanying drawing in the embodiment of the present invention clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
With reference to Fig. 1-Fig. 6, the present invention provides a kind of steam generator heat-transfer pipe detection device orientation connecting mechanism, described fixed
Position bindiny mechanism include rotary cylinder 1, end cap 2, inner cylinder tube 3, shaft coupling 4, torsion spring 5, power transmission shaft 6, outer cylinder 8, special-shaped axis 9,
Expansion tube 10 and gas port 13；The rotary cylinder 1 is arranged on end cap 2, and is arranged on by end cap 2 on inner cylinder tube 3；The rotation
The output shaft of rotaring cylinder 1 is connected by shaft coupling 4 with power transmission shaft 6；One end of the torsion spring 5 is fixed on inner cylinder tube 3, the other end
It is fixed on power transmission shaft 6；The outer cylinder 8 is connected by extension spring 14 with end cap 2, and the outer cylinder 8 is provided with gas port 13；It is described
One end of special-shaped axis 9 is connected with power transmission shaft 6, and provided with least two casting lug thereon 91 at its axle body；The special-shaped axis 9 is swollen
In tube expansion 10；One end of the expansion tube 10 is provided with multiple axial narrow tanks and pipe inside is provided with least two groove 101, and recessed
Groove 101 is engaged with the casting lug thereon 91 on special-shaped axis 9, and the other end is connected with inner cylinder tube 3.
The surface of casting lug thereon 91 on the special-shaped axis 9 tangent is combined by the circular arc of multistage different radii.
The quantity of casting lug thereon 91 is three pieces.
The surface of interior grooves 101 of the expansion tube 10 tangent is combined by the circular arc of multistage different radii.
The quantity of interior grooves 101 of expansion tube 10 is three.
The axial narrow tank of described one end of expansion tube 10 is six.
In order to ensure the sealing of cylinder, the special-shaped axis 9 is provided with internal axle sleeve 11, and the outer cylinder 8 is provided with outer shaft
12, coordinated by internal axle sleeve 11 and outer shaft 12 and realize sealing.
To ensure that the rotation of axle is reliable, the power transmission shaft 6 is provided with two deep groove ball bearings 7.
The rotary cylinder 1 by rotation make the casting lug thereon 91 of special-shaped axis 9 produce or be transferred to groove 101 in expansion tube from
And the expansion and contraction of expansion tube 10 are controlled, and then expansion tube 10 is locked or is unclamped with heat-transfer pipe 16 with heat-transfer pipe 16.
The torsion spring 5 is used for when orientation connecting mechanism is died suddenly, and by torsion spring 5, itself torsion rotates special-shaped axis 9,
So that the spreading of expansion tube 10 is locked with heat-transfer pipe 16.
Tensioner orientation connecting mechanism of the present invention is operationally to strut expansion tube 10 by special-shaped axis 9 so that expansion tube
10 are stuck in steam generator heat-transfer pipe 16, so as to realize firmly grasping to heat-transfer pipe 16；Rotated when needing and departing from heat-transfer pipe 16
Cylinder 1 drives the revolution of special-shaped axis 9 to make the natural shrinking of expansion tube 10, so as to depart from heat-transfer pipe 16；Specifically there is following action：
Realize that robot the creeping on heating surface bank for carrying detection means needs the swollen of tensioner orientation connecting mechanism
Tube expansion and special-shaped axis can put in and exit heat-transfer pipe；
Tensioner orientation connecting mechanism puts in action：Expansion tube 10 is linked together by cylinder inner cylinder tube 3 and end cap 2
, special-shaped axis 9 is linked together by power transmission shaft 6, shaft coupling 4 and rotary cylinder 1 and cylinder inner cylinder tube 3, and end cap leads to again
Cross extension spring 14 and outer cylinder 8 is connected；When needing expansion tube 10 and special-shaped axis 9 puts in heat-transfer pipe 16, the pressure relieving end of cylinder port 13
Lid 2 rises under the pulling force effect of extension spring 14 is pushed into expansion tube 10 and special-shaped axis 9 16 in heat-transfer pipe.
Expansion tube 10 and special-shaped axis 9 exit action：When needing expansion tube 10 and special-shaped axis 9 exits heat-transfer pipe 16, gas
Cylinder gas port 13 is passed through pressed gas, and inner cylinder tube 3 retreats to take expansion tube 10 and special-shaped axis 9 out of heat transfer under the effect of the pressure
Pipe 16.
Equipped with two spacing cones 15 on the outer cylinder 8.
Internal axle sleeve 11 and outer shaft 12 not only act as sealing and made in putting in and exiting for expansion tube 10 and special-shaped axis 9 in action
With also acting as guide effect.
In order to allow the robot to be hung on heating surface bank, when expansion tube 10 and special-shaped axis 9 put in heat-transfer pipe 16, it is necessary to
Expansion tube 10 can expand to be stuck in heat-transfer pipe 16 to realize firmly grasping to heat-transfer pipe 16；The promptly action of expansion tube 10：
There is special-shaped axis 9 in expansion tube 10, special-shaped axis 9 is to be connected by power transmission shaft 6 and shaft coupling 4 with rotary cylinder 1, power transmission shaft 6
It is upper that a torsion spring 5 is housed；When needing expansion tube 10 to expand, rotary cylinder 1, which is rotated, drives the relative expansion pipe 10 of special-shaped axis 9 to rotate,
So that the casting lug thereon 91 on special-shaped axis 9 produces the groove 101 in expansion tube 10, expansion tube 10 is strutted so that expansion tube 10 is stuck in
In heat-transfer pipe, firmly grasping to heat-transfer pipe 16 is realized.
The effect of torsion spring 5 is expansion tube 10 is in swelling state in its natural state, so as to avoid revolving in work
The accident that detection robot falls down from heat-transfer pipe 16 during the situation of the unexpected release of pressure of rotaring cylinder 1.
The torsion spring 5 is used for when orientation connecting mechanism is died suddenly, and by torsion spring 5, itself torsion rotates special-shaped axis 9,
So that the spreading of expansion tube 10 keeps certain expanding force with heat-transfer pipe 16, with the safety of protection equipment.
After expansion tube 10 firmly grasps heat-transfer pipe 16, in order that expansion tube 10 can exit heat-transfer pipe 16, it is necessary to the energy of expansion tube 10
Enough it is contracted to unswollen state；The contractive action of expansion tube 10：Rotary cylinder 1, which is rotated, drives 10 turns of 9 relative expansion pipe of special-shaped axis
It is dynamic so that the protruding block 91 on special-shaped axis 9 is transferred to the groove 101 in expansion tube 10, and expansion tube 10 shrinks under its endogenetic process.
Above to a kind of steam generator heat-transfer pipe detection device orientation connecting mechanism provided by the present invention, carry out in detail
Thin to introduce, specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
The bright method and its core concept for being only intended to help to understand the present invention；Simultaneously for those of ordinary skill in the art, foundation
The thought of the present invention, will change, in summary, this specification content is not in specific embodiments and applications
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of steam generator heat-transfer pipe detection device orientation connecting mechanism, it is characterised in that：The orientation connecting mechanism bag
Include rotary cylinder (1), end cap (2), inner cylinder tube (3), shaft coupling (4), torsion spring (5), power transmission shaft (6), outer cylinder (8), special-shaped axis
(9), expansion tube (10) and gas port (13)；The rotary cylinder (1) is arranged on end cap (2), and is arranged on interior by end cap (2)
On cylinder barrel (3)；The output shaft of the rotary cylinder (1) is connected by shaft coupling (4) with power transmission shaft (6)；The one of the torsion spring (5)
End is fixed on inner cylinder tube (3), and the other end is fixed on power transmission shaft (6)；The outer cylinder (8) passes through extension spring (14) and end cap
(2) it is connected, the outer cylinder (8) is provided with gas port (13)；One end of the special-shaped axis (9) is connected with power transmission shaft (6), and
At least two casting lug thereon (91) is provided with its axle body；The special-shaped axis (9) is in expansion tube (10)；The one of the expansion tube (10)
End provided with being provided with least two groove (101) inside multiple axial narrow tanks and pipe, and groove (101) with it is convex on special-shaped axis (9)
Go out block (91) to be engaged, the other end is connected with inner cylinder tube (3).
2. orientation connecting mechanism according to claim 1, it is characterised in that：Casting lug thereon (91) on the special-shaped axis (9)
Surface tangent is combined by the circular arc of multistage different radii.
3. orientation connecting mechanism according to claim 1 or 2, it is characterised in that：Casting lug thereon (91) quantity is three pieces.
4. orientation connecting mechanism according to claim 1, it is characterised in that：The interior grooves of the expansion tube (10)
(101) surface tangent is combined by the circular arc of multistage different radii.
5. the orientation connecting mechanism according to claim 1 or 4, it is characterised in that：The interior grooves (101) of expansion tube (10)
Quantity is three.
6. orientation connecting mechanism according to claim 1, it is characterised in that：The axial narrow tank of described expansion tube (10) one end
For six.
7. orientation connecting mechanism according to claim 1, it is characterised in that：The special-shaped axis (9) is provided with internal axle sleeve
(11), the outer cylinder (8) is provided with outer shaft (12), is coordinated by internal axle sleeve (11) and outer shaft (12) and realizes sealing.
8. orientation connecting mechanism according to claim 1, it is characterised in that：The power transmission shaft (6) is provided with two zanjons
Ball bearing (7).
9. orientation connecting mechanism according to claim 1, it is characterised in that：The rotary cylinder (1) is made different by rotation
The casting lug thereon (91) of shape axle (9) produces or is transferred to the groove (101) in expansion tube to control expansion and the receipts of expansion tube (10)
Contracting, and then expansion tube (10) is locked or is unclamped with heat-transfer pipe (16) with heat-transfer pipe (16).
10. orientation connecting mechanism according to claim 1, it is characterised in that：The torsion spring (5) is used for when the machine that is located by connecting
When structure is died suddenly, rotate special-shaped axis (9) by torsion spring (5) itself torsion, so that expansion tube (10) spreading and heat-transfer pipe
(16) lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192317.3A CN106970146B (en) | 2017-03-28 | 2017-03-28 | Positioning and connecting mechanism of steam generator heat-transfer pipe detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192317.3A CN106970146B (en) | 2017-03-28 | 2017-03-28 | Positioning and connecting mechanism of steam generator heat-transfer pipe detection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106970146A true CN106970146A (en) | 2017-07-21 |
| CN106970146B CN106970146B (en) | 2020-02-21 |
Family
ID=59335737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710192317.3A Active CN106970146B (en) | 2017-03-28 | 2017-03-28 | Positioning and connecting mechanism of steam generator heat-transfer pipe detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106970146B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374623A (en) * | 2021-06-11 | 2021-09-10 | 南京苏开电力工程有限公司 | Submarine power generation device for coastal region |
| CN114211120A (en) * | 2021-12-31 | 2022-03-22 | 中核武汉核电运行技术股份有限公司 | Steam generator tube-tube plate joint, welding device and welding process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09243782A (en) * | 1996-03-04 | 1997-09-19 | Mitsubishi Heavy Ind Ltd | Inspecting guide device for heat exchanger tube |
| CN201867394U (en) * | 2010-11-18 | 2011-06-15 | 中广核检测技术有限公司 | Locking air pawl for positioning eddy detecting tube plate of steam generator in nuclear power station |
| CN102388266A (en) * | 2009-01-19 | 2012-03-21 | 捷特公司 | Apparatus for automated positioning of eddy current test probe |
| CN103486402A (en) * | 2013-09-18 | 2014-01-01 | 国核电站运行服务技术有限公司 | Mechanical foot of heat transmission pipe detecting robot for vapor generators |
| CN105245053A (en) * | 2015-11-18 | 2016-01-13 | 内蒙古包钢钢联股份有限公司 | Self-limiting electric push rod |
| CN205057861U (en) * | 2015-10-27 | 2016-03-02 | 核动力运行研究所 | Heat exchanger inspection tube sheet angle toe structure |
| CN105945962A (en) * | 2016-05-19 | 2016-09-21 | 哈尔滨工业大学 | Joint type crawling robot for detecting heat pipe of steam generator |
| CN205679325U (en) * | 2016-06-12 | 2016-11-09 | 中广核核电运营有限公司 | Evaporator temperature measurement apparatus |
-
2017
- 2017-03-28 CN CN201710192317.3A patent/CN106970146B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09243782A (en) * | 1996-03-04 | 1997-09-19 | Mitsubishi Heavy Ind Ltd | Inspecting guide device for heat exchanger tube |
| CN102388266A (en) * | 2009-01-19 | 2012-03-21 | 捷特公司 | Apparatus for automated positioning of eddy current test probe |
| CN201867394U (en) * | 2010-11-18 | 2011-06-15 | 中广核检测技术有限公司 | Locking air pawl for positioning eddy detecting tube plate of steam generator in nuclear power station |
| CN103486402A (en) * | 2013-09-18 | 2014-01-01 | 国核电站运行服务技术有限公司 | Mechanical foot of heat transmission pipe detecting robot for vapor generators |
| CN205057861U (en) * | 2015-10-27 | 2016-03-02 | 核动力运行研究所 | Heat exchanger inspection tube sheet angle toe structure |
| CN105245053A (en) * | 2015-11-18 | 2016-01-13 | 内蒙古包钢钢联股份有限公司 | Self-limiting electric push rod |
| CN105945962A (en) * | 2016-05-19 | 2016-09-21 | 哈尔滨工业大学 | Joint type crawling robot for detecting heat pipe of steam generator |
| CN205679325U (en) * | 2016-06-12 | 2016-11-09 | 中广核核电运营有限公司 | Evaporator temperature measurement apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 王浩 等: "一种蒸发器传热管内孔抓紧机构的设计与分析", 《机械工程师》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374623A (en) * | 2021-06-11 | 2021-09-10 | 南京苏开电力工程有限公司 | Submarine power generation device for coastal region |
| CN114211120A (en) * | 2021-12-31 | 2022-03-22 | 中核武汉核电运行技术股份有限公司 | Steam generator tube-tube plate joint, welding device and welding process |
| CN114211120B (en) * | 2021-12-31 | 2024-01-12 | 中核武汉核电运行技术股份有限公司 | Tube-tube plate joint of steam generator for pressurized water reactor nuclear power station |
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|---|---|
| CN106970146B (en) | 2020-02-21 |
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