CN103871516B - A kind of reactor pressure vessel adapter ultrasonic examination instrument lifting operational approach - Google Patents
A kind of reactor pressure vessel adapter ultrasonic examination instrument lifting operational approach Download PDFInfo
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- CN103871516B CN103871516B CN201210550405.3A CN201210550405A CN103871516B CN 103871516 B CN103871516 B CN 103871516B CN 201210550405 A CN201210550405 A CN 201210550405A CN 103871516 B CN103871516 B CN 103871516B
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- checking tool
- pressure vessel
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- reactor pressure
- checking
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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 belongs to nuclear power plant reactor pressure vessel main pipeline safe end welding line ultrasonic Examined effect field, be specifically related to a kind of reactor pressure vessel adapter ultrasonic examination instrument lifting operational approach.Comprise the following steps: (1) instrument prepares；(2) checking tool air inversion；(3) air stable state handling；(4) water overturns leveling: nuclear island ring hangs puts into reactor pressure vessel pond by checking tool, and checking tool is flipped up balance under the effect of buoyancy；(5) place checking tool: use chain block to transfer checking tool to taking over center, the rope of bondage checking tool is had free end and is strapped in anchor point on the bank；(6) checking tool enters pipe: being hung by mobile suspension bridge and nuclear island ring and along adapter axis, checking tool is sent into nozzle interior, the centering rod to checking tool contacts with pressure vessel barrel；(7) checking tool is in adapter inner position, determines inspection benchmark；(8) checking tool is departed from.
Description
Technical field
The invention belongs to nuclear power plant reactor pressure vessel main pipeline safe end welding line ultrasonic Examined effect field,
It is specifically related to a kind of reactor pressure vessel adapter ultrasonic examination instrument lifting operational approach.
Background technology
Reactor pressure vessel (reactor pressure vessel) is to dispose nuclear reactor and bear its huge fortune
The hermetic container of row pressure, also referred to as reactor vessel, be the key equipment in pressurized-water reactor nuclear power plant, have
Manufacturing technology standard is high, difficulty big and the feature such as cycle length, and is non-exchange equipment, it is necessary to assure
It is perfectly safe in lifetime reliably at nuclear power station for 40 years.After running due to nuclear power station, cold in core primary Ioops
But medium (water) is provided with high radioactivity, high pollution, implements these and checks that being required for aid implements,
Inspection needs long-range, automatization.
Reactor pressure vessel adapter be nuclear reactor primary Ioops important component part, adapter be divided into water inlet and
Outlet two kinds adapter, adapter is welded with pressure vessel, uses safe end transition weldering between adapter and main pipeline
Connect.Adapter attachment weld and adapter safe end weld seam are according to checking enforcement of regulations inspection, it is ensured that nuclear safety.
Reactor pressure vessel check according between related specifications at regular intervals, examination scope includes reaction
Core pressure vessel main pipeline, the main pipeline scope of examination has main pipeline safe end weld seam, main pipeline and pressure vessel
Attachment weld.Check main pipeline ultrasonic scan instrument, it is achieved nuclear reactor pressure container main pipe welding seam is surpassed
Acoustic inspection.Reactor pressure vessel checks to be implemented during nuclear power station cold-refueling, and review time window is stopping
Critical path is belonged to during heap overhaul, the shortening therefore the reactor pressure vessel review time tried one's best, with
Time can individually implement in view of reactor pressure vessel main pipeline ultrasonic examination.It is thus desirable to develop reactor pressure
Force container main pipeline ultrasonic examination instrument.
Above-mentioned nozzle inspection mainly has two ways from internal implementation: one, use large-scale pressure vessel inspection
Machine system is carried ultrasonic scan device and is realized checking, such as: IC company of France MIS machine, US Westinghouse company
SUPREEM, Spain TIME inspection system etc.；Such large component, it is impossible to independent enforcement, consumes
Resource, takies critical path.Two, independent adapter scanning instrument is used, by human users's aid
Install or Remote automatization installs diving entrance adapter and realizes checking, as Westinghouse Electric SQUID diving is swept
Look into instrument, Spain main pipeline adapter ultrasonic scan instrument TENIS, ABB AB GOLD FISH adapter
Scanning instrument etc..Such equipment installs inconvenient operation, especially power plant's operation level lifting, implementation process
Complicated.
Therefore, need badly development a kind of small-sized reactor pressure vessel main pipeline ultrasonic examination instrument, meanwhile,
By the design to its lifting operational approach, it is to avoid level lifting in operation, and then simplification was implemented
Journey, improves operating efficiency.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of reactor pressure vessel adapter ultrasonic examination instrument
Lifting operational approach.
In order to realize this purpose, the present invention adopts the technical scheme that:
A kind of reactor pressure vessel adapter ultrasonic examination instrument lifting operational approach: comprise the following steps:
(1) the instrument preparatory stage: by rope tool by the front end bondage of checking tool, hung successively by nuclear island ring
Mount chain block, stock and checking tool；
(2) in the checking tool air inversion stage: nuclear island ring is sling, reactor pressure vessel pond is being entered
Before, checking tool turning vertical under gravity is downward；
(3) air stable state handling: keep checking tool to be in stable state in atmosphere, hung it by nuclear island ring
It is hoisted to above reactor pressure vessel pond；
(4) water overturns leveling: nuclear island ring hangs puts into reactor pressure vessel pond by checking tool,
Under the effect of buoyancy, checking tool is flipped up balance；
(5) checking tool is placed: use chain block to transfer checking tool to taking over center, by bondage
The rope tool free end of checking tool is strapped in anchor point on the bank；
(6) checking tool enters pipe: is hung by mobile suspension bridge and nuclear island ring and is sent into along adapter axis by checking tool
Nozzle interior, the centering rod to checking tool contacts with pressure vessel barrel；
(7) positioning stage is installed: checking tool, in adapter inner position, determines inspection benchmark；
(8) checking tool is departed from: long rod tool departs from checking tool.
Technical solution of the present invention uses during in the Qinshan second phase, 3, No. 4 unit reactor pressure vessels check,
And passed through technical identification.Can individually implement during the refueling outage of power station, it is not necessary to employ main equipment,
Realize Nuclear Power Station reactor pressure vessel main pipe welding seam ultrasonic examination independently to implement, check that response is in time；
And can check that machine accounts for the heap time with the use of reducing pressure vessel inspection with large pressurized vessel, shorten pressure
The force container review time.The application of the invention technical scheme solves the on-the-spot inspection of adapter ultrasonic examination instrument
Test operation implementation, it is ensured that check the safety of equipment, avoid tested equipment is brought infringement simultaneously.
Accompanying drawing explanation
Fig. 1 is reactor pressure vessel main pipeline ultrasonic examination instrument schematic diagram.
In figure: 1-lifts switching mechanism, 2-frame, 3-sensor, 4-centering rod, 5-supports centering body the
A part, 6-circular motion axle, 7-linear motion axis, 8-supports centering body Part II, 9-floating drum, 10-
Support centering body Part III.
Detailed description of the invention
Below in conjunction with the accompanying drawings technical solution of the present invention is described in detail.
As it is shown in figure 1, a kind of reactor pressure vessel main pipeline ultrasonic examination instrument, include following device: machine
Frame, lifting switching mechanism, anterior drawing mechanism, support centering body, linear motion axis, circular motion axle,
Sensing mechanism, floating drum；Lifting switching mechanism by lifting cup and lifting pedestal is connected through the hinge and forms,
Elastic collision bead is set in lifting pedestal side, is used for locking lifting cup；Frame main body is cylindrical-shaped structure,
Front end basal plane, centering rod and sensing mechanism axially it is sequentially arranged along it；Front end basal plane is with lifting switching mechanism even
Connect, centering rod is set at basal plane rear portion, front end, is connected in frame main body by installation base surface；By sensing
Mechanism takes over axis location and adapter circumferential registration；Centering rod length ＞ connection pipe opening diameter.Circumference is transported
Moving axis is engaged by gear and gear ring and forms, and drives linear motion axis whipping；Its front end and frame connect, rear end
Connect with linear motion axis；Support centering body Part I is set outside circular motion axle；Linear motion
Axle is made up of screw mandrel and line slideway, and front end and circular motion axle connect, rear end pedestal and support centering body
Part II connects；Anterior drawing mechanism is made up of cylinder and guide rod, carries out straight line and seesaws；Its front end
Connecting with supporting centering body Part II, rear end and support centering body Part III connect, and support centering
Mechanism's Part III and floating drum connect；Floating drum is cone-shaped structure.Support centering body and be divided into three parts, often
Partial shape is consistent, and Part I is arranged on outside circular motion axle, and Part II is arranged on linear motion
On shaft rear end pedestal, Part III is arranged on outside anterior drawing mechanism rear end；Every part is all three
120 degree of equally distributed structures of support leg, wherein, one is cylinder supports, and two other supports for fixing；
Support centering body Part III and floating drum all moves with the motion of anterior drawing mechanism.
The lifting operational approach using this reactor pressure vessel adapter ultrasonic examination instrument includes following step
Rapid:
(1) the instrument preparatory stage: by rope tool by the front end bondage of checking tool, hung successively by nuclear island ring
Mount chain block, stock and checking tool；
(2) in the checking tool air inversion stage: nuclear island ring is sling, reactor pressure vessel pond is being entered
Before, checking tool turning vertical under gravity is downward；
(3) air stable state handling: keep checking tool to be in stable state in atmosphere, hung it by nuclear island ring
It is hoisted to above reactor pressure vessel pond；
(4) water overturns leveling: nuclear island ring hangs puts into reactor pressure vessel pond by checking tool,
Under the effect of buoyancy, checking tool is flipped up balance；
(5) checking tool is placed: use chain block to transfer checking tool to taking over center, by bondage
The rope tool free end of checking tool is strapped in anchor point on the bank；
(6) checking tool enters pipe: is hung by mobile suspension bridge and nuclear island ring and is sent into along adapter axis by checking tool
Nozzle interior, the centering rod to checking tool contacts with pressure vessel barrel；
(7) positioning stage is installed: checking tool, in adapter inner position, determines inspection benchmark；
(8) checking tool is departed from: long rod tool departs from checking tool.
Claims (1)
1. a reactor pressure vessel adapter ultrasonic examination instrument lifting operational approach, it is characterised in that: bag
Include following steps:
(1) the instrument preparatory stage: by rope tool by the front end bondage of checking tool, hung successively by nuclear island ring
Mount chain block, stock and checking tool；
(2) in the checking tool air inversion stage: nuclear island ring is sling, reactor pressure vessel pond is being entered
Before, checking tool turning vertical under gravity is downward；
(3) air stable state handling: keep checking tool to be in stable state in atmosphere, hung it by nuclear island ring
It is hoisted to above reactor pressure vessel pond；
(4) water overturns leveling: nuclear island ring hangs puts into reactor pressure vessel pond by checking tool,
Under the effect of buoyancy, checking tool is flipped up balance；
(5) checking tool is placed: use chain block to transfer checking tool to taking over center, by bondage
The rope tool free end of checking tool is strapped in anchor point on the bank；
(6) checking tool enters pipe: is hung by mobile suspension bridge and nuclear island ring and is sent into along adapter axis by checking tool
Nozzle interior, the centering rod to checking tool contacts with pressure vessel barrel；
(7) positioning stage is installed: checking tool, in adapter inner position, determines inspection benchmark；
(8) checking tool is departed from: long rod tool departs from checking tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550405.3A CN103871516B (en) | 2012-12-17 | 2012-12-17 | A kind of reactor pressure vessel adapter ultrasonic examination instrument lifting operational approach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550405.3A CN103871516B (en) | 2012-12-17 | 2012-12-17 | A kind of reactor pressure vessel adapter ultrasonic examination instrument lifting operational approach |
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| Publication Number | Publication Date |
|---|---|
| CN103871516A CN103871516A (en) | 2014-06-18 |
| CN103871516B true CN103871516B (en) | 2016-12-28 |
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| CN201210550405.3A Active CN103871516B (en) | 2012-12-17 | 2012-12-17 | A kind of reactor pressure vessel adapter ultrasonic examination instrument lifting operational approach |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105321587B (en) * | 2014-07-15 | 2018-11-30 | 中核武汉核电运行技术股份有限公司 | A kind of adapter tube and safety end of nuclear reactor pressure vessel weld seam inspection systems |
| CN109979618A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of enhancing sight check device based on inside container |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH01198326A (en) * | 1988-02-03 | 1989-08-09 | Toubu Kuriinaa Service:Kk | Construction method for repairing pipeline |
| JP3604535B2 (en) * | 1997-07-17 | 2004-12-22 | 株式会社東芝 | Reactor inspection and repair equipment |
| CN1193150C (en) * | 2002-11-19 | 2005-03-16 | 武汉凌云建筑装饰工程有限公司 | Block curtain wall hanging and carrying and installing system |
| CN201313621Y (en) * | 2008-12-12 | 2009-09-23 | 中国海洋石油总公司 | Automatically turned and restored rocker |
| CN102509566B (en) * | 2011-10-17 | 2014-03-12 | 中广核检测技术有限公司 | Nuclear rector pressure vessel nozzle safe end welding joint automatic ray inspection device |
| CN102777262B (en) * | 2012-08-07 | 2014-08-20 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for preassembling heavy gas turbine in combination of vertical and horizontal assembling |
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| CN103871516A (en) | 2014-06-18 |
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