CN101719390B - Complete instruments for failure related component handling of pressurized water reactor nuclear power plant - Google Patents
Complete instruments for failure related component handling of pressurized water reactor nuclear power plant Download PDFInfo
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- CN101719390B CN101719390B CN2009102071918A CN200910207191A CN101719390B CN 101719390 B CN101719390 B CN 101719390B CN 2009102071918 A CN2009102071918 A CN 2009102071918A CN 200910207191 A CN200910207191 A CN 200910207191A CN 101719390 B CN101719390 B CN 101719390B
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- control rod
- failure related
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- pressurized water
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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 relates to equipment related to pressurized water reactor nuclear power plant, in particular to complete instruments for failure related component handling of a pressurized water reactor nuclear power plant, comprising a gripping tool, a special adaptor and a multifunctional guide comb. The gripping tool is a hook, and the upper end of the hook is connected with a steel wire rope; the special adaptor is a fixed special adaptor for related components or a special adaptor for a control rod component, the frame end face of the special adaptor is provided with a positioning hole and an anti-misplace hole, and four edges of the end face are respectively provided with positioning plates which can be closely attached to the inner wall of a fuel storage cell and can be matched grippers of a spend fuel component gripping apparatus; and the multifunctional guide comb comprises an operation pole, two structures are arranged on two sides of the end part of the operation pole vertical to the surface of the operation pole, one structure is two comb shaped structures which are used for guiding a failure control rod body to ensure that the control rod is uniformly dispersed, while the other structure is two parallel-rod structure which plays a role in guiding and drawing rod bodies of failure related components, wherein end parts of the parallel rods are bent outwards respectively.
Description
Technical field
The present invention relates to the relevant device of pressurized-water reactor nuclear power plant, be specifically related to the failure related component handling of pressurized water reactor nuclear power plant complete instruments.
Background technology
The PWR nuclear power plant associated component is inserted in fuel assembly or adapter memory is put by joining in the spentnuclear fuel pond, can be divided into following two big classes according to the behavior in heap: movable (control rod assembly) and fixed (neutron source assembly, resistance plug assembly, burnable poison assembly and a secondary neutron source assembly), in PMC system (nuclear fuel transportation storage system), be furnished with corresponding gripping apparatus respectively they are grasped and deposit.Therefore these gripping apparatus are provided with positioning system and guidance system, can only grasp the associated component with positioning supports in fuel assembly or the adapter and join slotting.If because certain reason has caused some associated component can only leave the storage cell interior (associated component of this state is defined as failure related component) of spent fuel storage rack sky in temporarily, these failure related components are not owing to there is the support of fuel assembly or adapter, be in the state that freely stands up, its lower end barred body directly contacts stores the cell bottom, and the soft barred body of matter bends under the deadweight effect.Under long-time distortion power effect, the barred body can burst might take place and cause inner material to leak in the pond in crooked barred body, increases the burden of cleaning system, influences nuclear safety, deposits so these failure related components must be supported.Owing to lost the location, the associated component gripping apparatus can not grasp and deposit these failure related components, if barred body has occured bending and deformation or not to the constraint of barred body guiding, failure related component joined to be inserted in fuel assembly or the adapter be almost impossible.
Summary of the invention
The objective of the invention is to can not the safe disposal failure related component at the PMC system deficiency, a kind of failure related component handling of pressurized water reactor nuclear power plant complete instruments is provided, this cover Work tool can not only conveniently be realized the safe disposal to failure related component, and simple and reliable.
For achieving the above object, technical scheme of the present invention is as follows: a kind of failure related component handling of pressurized water reactor nuclear power plant complete instruments comprises that gripping tool, private adapter, multifunctional guide comb three parts, wherein, described gripping tool is a suspension hook, and the suspension hook upper end connects wire rope; Described private adapter is fixed associated component private adapter or control rod assembly private adapter, be equipped with pilot hole and anti-dislocation hole on the frame end face of two kinds of private adapters, four limits of end face be respectively equipped with can be close to the little chamber interior walls of irradiated fuel store and can cooperate with the gripper of irradiated fuel assembly gripping apparatus location-plate; Described multifunctional guide comb comprises an operation stock, on the face vertical of the both sides, end of operation stock, be provided with two-part structure with operating stock, structure one makes it homodisperse two broach shape structures for the fail-safe control rod barred body that is used to lead, structure two is the barred body of failure related component to be played two parallel bars structures of guiding gathering effect, and the end of parallel bars is outwards bending respectively.
Further, aforesaid failure related component handling of pressurized water reactor nuclear power plant complete instruments, wherein, described gripping tool comprises the suspension hook of two kinds of different sizes, a kind ofly is used to grasp the control rod assembly, another kind is used to grasp fixed associated component.
Further, aforesaid failure related component handling of pressurized water reactor nuclear power plant complete instruments, wherein, the diagonal position on the frame end face of described fixed associated component private adapter is provided with two grooves that are used for " Z " shape plate of support fixation formula associated component; The frame end face below of described control rod assembly private adapter is arranged with two support battens that are used to support fail-safe control rod connection handle wing plate.
Further, aforesaid failure related component handling of pressurized water reactor nuclear power plant complete instruments, wherein, the parallel bars end of the structure two of described multifunctional guide comb outwards bends 15 ° respectively.
Beneficial effect of the present invention is as follows: complete instruments for failure related component handling deft design provided by the present invention, and easy to use, it is low that it makes required expense, and the effect of being brought into play is very big.By failure related component is carried out safe disposal, removed the barred body inner material of breaking effectively and leaked into hidden danger in the spentnuclear fuel pond, for the good operation of nuclear power generating sets provides safety assurance.
Description of drawings
Fig. 1-1 is for being used to grasp the suspension hook structural representation of control rod assembly;
Fig. 1-2 is the suspension hook structural representation that is used to grasp fixed associated component;
Fig. 2-1 is the structural representation of fixed associated component private adapter;
Fig. 2-2 is the structural representation of control rod assembly private adapter;
Fig. 3-1 is fixed associated component private adapter support concept synoptic diagram;
Fig. 3-2 is a control rod assembly private adapter support concept synoptic diagram;
Fig. 4 is the structural representation of multifunctional guide comb.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
Failure related component handling of pressurized water reactor nuclear power plant complete instruments provided by the present invention comprises that gripping tool, private adapter, multifunctional guide comb three parts, gripping tool is a suspension hook, connects wire rope so that operate at the other end of suspension hook above the spentnuclear fuel pond.When failure related component is disposed, suspension hook, private adapter and multifunctional guide comb are used jointly, private adapter is put on the storage cell of spent fuel storage rack sky, trigger failure related component with suspension hook then, guiding and gathering by the multifunctional guide comb, failure related component is supported in the private adapter, thereby realizes safe disposal.
Shown in Fig. 1-1, Fig. 1-2, gripping tool comprises the suspension hook of two kinds of different sizes altogether, a kind ofly is used to grasp the control rod assembly, and another kind is used to grasp fixed associated component, the extracting position of control rod assembly is a wing plate, and the extracting position of fixed associated component is a back up pad.The width difference of the gib head 1 of two kinds of suspension hooks is used to grasp the relative broad of suspension hook gib head of fixed associated component.The upper end of two kinds of suspension hooks all is bent into ring texture 2, is used to connect wire rope.。Use two suspension hooks of the same type during execute-in-place, the upper end of suspension hook is connected with wire rope with buckle, can operate suspension hook by the other end of wire rope like this.
Shown in Fig. 2-1, Fig. 2-2, private adapter comprises two types of fixed associated component private adapter and control rod assembly private adapters.
It among Fig. 2-1 fixed associated component private adapter, the frame end face 3 of private adapter is provided with pilot hole 5 and anti-dislocation hole 6, four limits of end face 3 are respectively equipped with the location-plate 4 that can be close to the little chamber interior walls of irradiated fuel store, and the diagonal position on the frame end face 3 is provided with two grooves 7 that are used for " Z " shape plate of support fixation formula associated component.The support concept of fixed associated component private adapter is shown in Fig. 3-1, and two of " Z " shape plate 9 of fixed associated component corrects in two grooves 7 that are arranged on the private adapter frame end face 3, thereby realizes the purpose of safe storage.
It among Fig. 2-2 control rod assembly private adapter, also be provided with pilot hole 5 and anti-dislocation hole 6 on the frame end face 3 of private adapter, four limits of end face 3 are respectively equipped with the location-plate 4 that can be close to the little chamber interior walls of irradiated fuel store equally, different is with fixed associated component private adapter, and frame end face 3 belows of control rod assembly private adapter are arranged with two support battens 8 that are used to support fail-safe control rod connection handle wing plate.The support concept of control rod assembly private adapter is shown in Fig. 3-2, and fail-safe control rod connection handle wing plate 10 is supported on the support batten 8 of private adapter, thereby realizes the purpose of safe storage.
After failure related component being sling with suspension hook, because its barred body freely swings, add the flexural deformation of part barred body, lead so that put into private adapter smoothly so need aid that barred body is combed.The present invention is based on this and designed the multifunctional guide comb.As shown in Figure 4, the multifunctional guide comb comprises an operation stock 11, on the face vertical of the both sides, end of operation stock 11, be provided with two-part structure with operating stock 11, structure one makes it homodisperse two broach shape structures (12) for the fail-safe control rod barred body that is used to lead, structure two is the barred body of failure related component to be played two parallel bars structures (13) of guiding gathering effect, and the end of parallel bars is outwards bending respectively.The angle of the outside bending in the end of parallel bars in the present embodiment is 15 °.
The step of using tool outfit device provided by the invention to dispose fixed failure related component is as follows:
The first step: fixed associated component private adapter is placed on the irradiated fuel store cell by new fuel elevator, irradiated fuel assembly gripping apparatus.
Second step: above the spentnuclear fuel pond, hook up fixed failure related component with adaptive suspension hook.
The 3rd step: personnel selection bridge crane car is mentioned fixed failure related component, and moves to fixed associated component private adapter position coordinate.
The 4th step: draw the failure related component barred body in so that it is entered in the private adapter with multifunctional guide comb structure two.
The 5th step: remove the multifunctional guide comb, slowly transfer fixed failure related component, the Z-shaped plate two ends are fallen in two grooves of fixed associated component private adapter.
The 6th step: slough suspension hook, finish safe disposal.
It is basic identical with fixed failure related component to dispose the fail-safe control rod assembly, institute's difference is after the 4th step, to lead with a pair of fail-safe control rod assembly of the structure barred body of multifunctional guide comb, make barred body be dispersed in control rod assembly private adapter two and support the batten two ends, and then remove the multifunctional guide comb, slowly below fail-safe control rod assembly is supported on the control rod assembly private adapter two support battens until its wing plate.
The design of above-mentioned package unit is to combine many-sided factor, has reached optimization, and is safe and reliable, simple to operate, brought high economic benefit with extremely low cost, can effectively guarantee the good operation of the integrality and the PMC system of failure related component.
Claims (5)
1. failure related component handling of pressurized water reactor nuclear power plant complete instruments, it comprises that gripping tool, private adapter, multifunctional guide comb three parts; Described associated component comprises movable control rod assembly and a fixed neutron source assembly, resistance plug assembly, burnable poison assembly and secondary neutron source assembly; It is characterized in that: described gripping tool is a suspension hook, and the suspension hook upper end connects wire rope; Described private adapter is fixed associated component private adapter or control rod assembly private adapter, be equipped with pilot hole (5) and anti-dislocation hole (6) on the frame end face (3) of two kinds of private adapters, four limits of end face are respectively equipped with the location-plate (4) that can be close to the little chamber interior walls of irradiated fuel store and can cooperate with the gripper of irradiated fuel assembly gripping apparatus; Described multifunctional guide comb comprises an operation stock (11), on the face vertical of the both sides, end of operation stock (11), be provided with two-part structure with operating stock, structure one makes it homodisperse two broach shape structures (12) for the fail-safe control rod barred body that is used to lead, structure two is the barred body of failure related component to be played two parallel bars structures (13) of guiding gathering effect, and the end of parallel bars is outwards bending respectively.
2. failure related component handling of pressurized water reactor nuclear power plant complete instruments as claimed in claim 1, it is characterized in that: described gripping tool comprises the suspension hook of two kinds of different sizes, a kind ofly be used to grasp the control rod assembly, another kind is used to grasp fixed associated component.
3. failure related component handling of pressurized water reactor nuclear power plant complete instruments as claimed in claim 1 or 2 is characterized in that: the diagonal position on the frame end face (3) of described fixed associated component private adapter is provided with two grooves (7) that are used for " Z " shape plate (9) of support fixation formula associated component.
4. failure related component handling of pressurized water reactor nuclear power plant complete instruments as claimed in claim 1 or 2 is characterized in that: frame end face (3) below of described control rod assembly private adapter is arranged with two support battens (8) that are used to support fail-safe control rod connection handle wing plate (10).
5. failure related component handling of pressurized water reactor nuclear power plant complete instruments as claimed in claim 1 is characterized in that: the parallel bars end of the structure two of described multifunctional guide comb outwards bends 15 ° respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102071918A CN101719390B (en) | 2009-11-13 | 2009-11-13 | Complete instruments for failure related component handling of pressurized water reactor nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102071918A CN101719390B (en) | 2009-11-13 | 2009-11-13 | Complete instruments for failure related component handling of pressurized water reactor nuclear power plant |
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| Publication Number | Publication Date |
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| CN101719390A CN101719390A (en) | 2010-06-02 |
| CN101719390B true CN101719390B (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102071918A Active CN101719390B (en) | 2009-11-13 | 2009-11-13 | Complete instruments for failure related component handling of pressurized water reactor nuclear power plant |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557625B (en) * | 2017-12-27 | 2019-10-08 | 太原重工股份有限公司 | It is oriented to capture apparatus |
| CN108766606B (en) * | 2018-06-01 | 2020-08-14 | 中广核核电运营有限公司 | Burnable poison assembly and neutron source assembly switching tool for nuclear power plant |
| CN111354491B (en) * | 2018-12-21 | 2024-08-09 | 核动力运行研究所 | Linkage type resistance plug assembly gripping apparatus |
| CN110264811B (en) * | 2019-05-24 | 2021-05-18 | 福建福清核电有限公司 | Nuclear fuel operation overall process simulation training system |
| CN112917091A (en) * | 2019-12-05 | 2021-06-08 | 中核建中核燃料元件有限公司 | Processing technology of semi-brazed connection handle of nuclear fuel control rod assembly |
| CN112792744B (en) * | 2020-12-29 | 2023-02-10 | 中核建中核燃料元件有限公司 | Water jet cutting manufacturing method for connecting handle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0327055A3 (en) * | 1988-02-04 | 1990-04-18 | Westinghouse Electric Corporation | Thimble grip fuel assembly handling tool |
| CN1020825C (en) * | 1988-05-24 | 1993-05-19 | 法玛通公司 | Cellule of reception and of dismantlement of nuclear fuel assembly |
| CN101625906A (en) * | 2009-07-22 | 2010-01-13 | 中国广东核电集团有限公司 | Operation method for treating control sticks and treating tool thereof |
-
2009
- 2009-11-13 CN CN2009102071918A patent/CN101719390B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0327055A3 (en) * | 1988-02-04 | 1990-04-18 | Westinghouse Electric Corporation | Thimble grip fuel assembly handling tool |
| CN1020825C (en) * | 1988-05-24 | 1993-05-19 | 法玛通公司 | Cellule of reception and of dismantlement of nuclear fuel assembly |
| CN101625906A (en) * | 2009-07-22 | 2010-01-13 | 中国广东核电集团有限公司 | Operation method for treating control sticks and treating tool thereof |
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| CN101719390A (en) | 2010-06-02 |
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