CN107093477A - A kind of bushing type bunkering screen work - Google Patents
A kind of bushing type bunkering screen work Download PDFInfo
- Publication number
- CN107093477A CN107093477A CN201710222812.4A CN201710222812A CN107093477A CN 107093477 A CN107093477 A CN 107093477A CN 201710222812 A CN201710222812 A CN 201710222812A CN 107093477 A CN107093477 A CN 107093477A
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- CN
- China
- Prior art keywords
- steel
- bunkering
- screen work
- translot
- vertical slot
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- 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.)
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/06—Magazines for holding fuel elements or control elements
- G21C19/07—Storage racks; Storage pools
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Fuel Cell (AREA)
Abstract
The present invention relates to a kind of bushing type bunkering screen work, its body connects into framework by four pillars (1), four translot steel I (4) and four translot steel II (13), there is one piece of inverted U top plate (5) above screen work, reinforcing plate (10) is provided with inside screen work, reinforcing plate (10) is connected with pillar, and the hole coordinated with bunkering cell (3) gap is provided with inverted U top plate (5) and reinforcing plate (10).This structure improves the integral rigidity of screen work, reduce deformation of the bunkering cell under dynamic loading, it is to avoid the redundant structure of sleeve pipe three-point fix;Preferably, two layers of cant beam reduces cant beam length, and similar ball pivot shape and grafting fit structure are respectively adopted in two sides with pillar for cant beam, improve force-bearing situation, and structure is more stable.Relative to the honeycomb fashion by board material splice, make storage cell relatively independent using bushing type, it is to avoid because the damage that accident is caused directly affects the function of adjacent storage cell (or unit).
Description
Technical field
Present invention invention belongs to nuclear fuel storage technical field, and in particular to a kind of bushing type bunkering screen work.
Background technology
The structure of bunkering screen work is roughly divided into two major class forms:Honeycomb fashion and independent storage by board material splice
The bushing type of cell.Storing each storage unit in screen work is formed by square or hexagonal cells, each storage cell it
Between have certain interval, each storage cell be separate in arrangement each other, all cells are all above and below
Bottom plate is fixed together in upper and lower side, therefore with respect to the former, the characteristics of storage cell of screen work has discrete distribution.For tool
There is the small cell-type screen work of independent storage cell, under the effect of earthquake motion load, will be touched between fuel assembly and storage cell
Hit, it is larger for ratio of height to diameter even if not charging component, and for the storage cell with two supports, because rigidity has
Limit, it would be possible to which bend rolling dynamic deformation.This point has analyzed checking, and the generation of this flexural deformation will make on storage cell
Lower end stress is larger, and changes the size of centre-to-centre spacing between storage cell.So must limit to ensure structure and criticality safety.
The situation that especially shockproof requirements are improved, for some spacing are larger, New fuel storage framework without neutron poison material, warp
Mechanical analysis shows, original structure larger causes top and bottom stress to exceed allowable value because bending is rocked.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of Stability Analysis of Structures, fuel lattice can be reduced
The bushing type bunkering screen work of frame storage cell deformation.
To achieve the above objectives, the technical solution adopted by the present invention is:A kind of bushing type bunkering screen work, wherein, if
Do vertical bunkering cell to be located in rows in the bunkering screen work, the bunkering screen work body is by four branch
Post, four translot steel I and four translot steel II connect into above rectangular frame, the bunkering screen work body and are connected with one
Block is sleeved on the inverted U top plate on bunkering cell top, and the bunkering screen work body interior is sleeved on combustion provided with one piece
Reinforcing plate in the middle part of material storage cell, the edge of the reinforcing plate is connected with pillar, is provided with the inverted U top plate and reinforcing plate
The hole coordinated with bunkering cell gap.
Further, it is connected to the horizontal stroke parallel with translot steel I in the middle part of one group of opposite side of the bunkering screen work
The translot steel IV parallel with translot steel II is connected in the middle part of channel-section steel III, another group of opposite side.
Further, each pillar is formed by connecting by vertical slot steel I, vertical slot steel II, vertical slot steel III, wherein, vertical slot steel I and perpendicular
The waist of channel-section steel III is connected, and the waist of the leg of the homonymy of vertical slot steel I and vertical slot steel III respectively with vertical slot steel II is connected;Positioned at rectangular frame
Two vertical slot steel II of the same side or the notch of vertical slot steel III are arranged oppositely;Translot steel I, translot steel II, translot steel III, translot steel
IV notch is down.
Further, provided with two cant beams I intersected between translot steel I and translot steel III, the two ends of cant beam I are connected with ball
Shape end.
Again further, the both sides of the junction of translot steel I and vertical slot steel II and translot steel III and vertical slot steel II are provided with
The right-angle baffle I being connected respectively with the leg of channel-section steel;Two spheric ends of each cant beam I are located at is located at translot steel I and vertical slot respectively
In the groove that steel II, translot steel III and right-angle baffle I are formed, the periphery of spheric end be additionally provided with baffle plate II in the grooves,
Baffle plate III.
Further, the cant beam II of two intersections is connected between translot steel II and translot steel IV;The end insertion of cant beam II
In the groove formed to the end of vertical slot steel III and translot steel II or translot steel IV, the end of cant beam II has and the groove
The shape being engaged.
Further, the bunkering screen work also include be located at the rectangular frame bottom be used for support bunkering small
The bottom plate of room, the bottom plate is fixedly connected with quadra;Bottom plate in the quadra, which is provided with, is located at consecutive fuel
Store cell bottom between inverted U fixture and between bunkering screen work body and bunkering cell bottom
Square fixture;To the bunkering cell of each composition row, the square fixture and inverted U fixture of its both sides are respectively provided at
Or two inverted U fixtures are located on straight line.
Further, the bunkering screen work also includes being connected to two bottom tubs below bunkering screen work body
Steel, base channel-section steel is parallel with translot steel I, and the notch of two base channel-section steels is dorsad set.
A kind of bushing type bunkering screen work that the present invention is provided, using frame structure, improves integral rigidity, reinforcing plate
The setting of perforate preset clearance, reduces deformation of the bunkering cell under dynamic loading, turn avoid 3 points of storage sleeve pipe and determines
The redundant structure of position;In preferred embodiments, this structure greatly reduces cant beam length using two layers of cant beam distribution,
In one group of relative two sides of bunkering screen work, cant beam uses similar ball pivot shape structure with pillar, relative in another set
Two sides, cant beam and pillar are connected by the way of grafting and plane coordinate, are welded to connect merely with one layer of cant beam and node
Mode is compared, and stress is improved, Stability Analysis of Structures.
Brief description of the drawings
Fig. 1 is a kind of front view for bushing type bunkering screen work that the present invention is provided;
Fig. 2 be in Fig. 1 A to schematic diagram;
Fig. 3 be in Fig. 1 B to schematic diagram.
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
The invention provides a kind of bushing type bunkering screen work, wherein, some vertical bunkering cells 3 are in rows
It is located in the bunkering screen work.
It is can be seen that with reference to Fig. 1 and Fig. 2 in a kind of bushing type bunkering screen work provided by the present invention, bunkering
Screen work body connects into quadra, the bunkering lattice by four pillars, four translot steel I 4 and four translot steel II 13
One piece of inverted U top plate 5 for being sleeved on the top of bunkering cell 3, the bunkering screen work sheet are connected with above frame body
Internal portion is connected provided with one piece of reinforcing plate 10 being sleeved in the middle part of bunkering cell 3, the edge of the reinforcing plate 10 with pillar,
The hole coordinated with the gap of bunkering cell 3 is provided with the inverted U top plate 5 and reinforcing plate 10.
It is each separate component that the present invention will store 3 points of cell using an inverted U top plate 5 and a reinforcing plate 10.Except
Outside being positioned in the top and bottom of bunkering cell 3, present invention middle part of correspondence bunkering cell 3 in frame structure
Easily occur moderate finite deformation at reinforcing plate 10 carry out it is spacing, and prevent store cell excessive deformation, also, reinforcing plate 10 perforate should
More than the external diameter certain numerical value of bunkering cell 3, to ensure to occur without redundant structure after assembling, and allow occur allowable stress
In the range of elastic deformation, and do not allow occur postcritical deformation.
In preferred embodiments, it is connected to and translot in the middle part of one group of body side frame of the bunkering screen work
The translot steel IV parallel with translot steel II 13 is connected in the middle part of the parallel translot steel III 17 of steel I 4, another group of body side frame
16。
Each pillar can be formed by connecting by vertical slot steel I 1, vertical slot steel II 12, vertical slot steel III 15, wherein, it is vertical slot steel I 1, perpendicular
Channel-section steel III 15 is connected with vertical slot steel II 12;Two vertical slot steel II 12 or the opening of vertical slot steel III 15 positioned at rectangular frame the same side
It is oppositely arranged;Translot steel I 4, translot steel II 13, translot steel III 17, translot steel IV 16 it is opening down.
In a more preferred embodiment, provided with two cant beams I 6 intersected, eight between translot steel I 4 and translot steel III 17
Individual cant beam I6 is used for fixed frame shape, to keep rectangular configuration.Similarly, also may be used between translot steel II 13 and translot steel IV 16
To connect the cant beam II 14 of two intersections.
Wherein, the two ends of each cant beam I 6 can be connected with spheric end 8;Translot steel I 4 and vertical slot steel II 12 and translot steel
III 17 and vertical slot steel II 12 junction both sides provided with respectively with channel-section steel fix right-angle baffle I 2, two of each cant beam I 6
Spheric end 8 is located to be located in the groove that translot steel I 4 and vertical slot steel II 12, translot steel III 17 and right-angle baffle I 2 are formed respectively,
The periphery of spheric end 8 is additionally provided with baffle plate II 7, baffle plate III 9 in the grooves, to limit the mobile range of spheric end 8.This knot
Eight groups of spherical hinge structures have been configured to, under the dynamic load effect of earthquake, the stress of framework can be improved.
In addition, the end of cant beam II 14 is embedded into the end institute shape of vertical slot steel III 15 and translot steel II 13 or translot steel IV 16
Into groove in, the end of cant beam II 14 has the shape with the fit depressions, so as to vertical slot steel III 15 and translot steel
II 13/ translot steel IV 16 can be welded together, forms the planar structure of an entirety.Can be with spot welding or periphery on periphery during welding
Solid welding is determined, and plane fit structure makes framework more firm, and lifting surface area is larger, reduces local welding stress.
So, the bunkering screen work that the present invention is provided is in each side using double-deck inclined support structure, and diagonal brace end is similar
Ball pivot shape structure or interpolation fit structure, can substantially improve the problem of joints are larger.
In addition, the bunkering screen work also include be located at the rectangular frame bottom be used for support bunkering cell
3 bottom plate 11, the bottom plate 11 is fixedly connected with quadra.Bottom plate 11 in the quadra is provided with positioned at adjacent
Inverted U fixture 18 between the bottom of bunkering cell 3 and under bunkering screen work body and bunkering cell 3
Square fixture 19 between portion.Typically, the square fixture 19 should be positioned close to the fuel at bunkering screen work edge
Store cell 3 and between the translot steel I 4 of bunkering screen work body bottom portion.To the bunkering cell of each composition row
3, the square fixture 19 and inverted U fixture 18 or two inverted U fixtures 18 for being respectively provided at its both sides should be in straight lines
On, fully to realize fixation.
In addition, the bunkering screen work can also include being connected to two bottom tubs below bunkering screen work body
Steel 20, base channel-section steel 20 is parallel with translot steel I 4.The notch of two base channel-section steels 20 can dorsad be set, so as at notch position
It is fixed.
Structure of the present invention is not limited to the embodiment described in embodiment, and those skilled in the art are according to this
The technical scheme of invention draws other embodiments, also belongs to the technological innovation scope of the present invention.
Claims (8)
1. a kind of bushing type bunkering screen work, wherein, some vertical bunkering cells (3) are located at fuel storage in rows
Deposit in screen work, it is characterised in that the bunkering screen work body is by four pillars, four translot steel I (4) and four translot steel
II (13), which are connected into, to be connected with one piece above quadra, the bunkering screen work body and is sleeved on bunkering cell
(3) the inverted U top plate (5) on top, the bunkering screen work body interior is sleeved in bunkering cell (3) provided with one piece
The reinforcing plate (10) in portion, the edge of the reinforcing plate (10) is connected with pillar, on the inverted U top plate (5) and reinforcing plate (10)
It is provided with the hole coordinated with bunkering cell (3) gap.
2. a kind of bushing type bunkering screen work according to claim 1, it is characterised in that the bunkering screen work
The translot steel III (17) parallel with translot steel I (4), the middle part of another group of opposite side are connected in the middle part of one group of opposite side
The translot steel IV (16) parallel with translot steel II (13) is not connected with.
3. a kind of bushing type bunkering screen work according to claim 2, it is characterised in that each pillar is by vertical slot steel I
(1), vertical slot steel II (12), vertical slot steel III (15) are formed by connecting, wherein, vertical slot steel I (1) is dorsad connected with vertical slot steel III (15),
Vertical slot steel I (1) and vertical slot steel III (15) are connected with vertical slot steel II (12);Two vertical slot steel II positioned at rectangular frame the same side
(12) notch is arranged oppositely;Translot steel I (4), translot steel II (13), translot steel III (17), the notch court of translot steel IV (16)
Under.
4. a kind of bushing type bunkering screen work according to claim 3, it is characterised in that translot steel I (4) and translot steel
Cant beam I (6) provided with two intersections between III (17), the two ends of cant beam I (6) are connected with spheric end (8).
5. a kind of bushing type bunkering screen work according to claim 4, it is characterised in that translot steel I (4) and vertical slot steel
The both sides of II (12) and the junction of translot steel III (17) and vertical slot steel II (12) are provided with the right angle gear being connected respectively with channel-section steel
Plate I (2);Two spheric ends (8) of each cant beam I (6) are located at translot steel I (4) and vertical slot steel II (12), translot steel III respectively
(17) and in the groove that is formed of right-angle baffle I (2), the periphery of spheric end (8) be additionally provided with baffle plate II (7) in the grooves,
Baffle plate III (9).
6. according to a kind of any described bushing type bunkering screen works of claim 3-5, it is characterised in that translot steel II (13)
The cant beam II (14) of two intersections is connected between translot steel IV (16);The end of cant beam II (14) is embedded into vertical slot steel III
(15) and in the groove that is formed of end of translot steel II (13) or translot steel IV (16), the end of cant beam II (14) has and institute
State the shape of fit depressions.
7. a kind of bushing type bunkering screen work according to claim 1, it is characterised in that the bunkering screen work is also
The bottom plate (11) for being used to support bunkering cell (3) including being located at the rectangular frame bottom, bottom plate (11) and square box
Frame is fixedly connected;Bottom plate (11) in the quadra is provided with the U being located between consecutive fuel storage cell (3) bottom
Type fixture (18) and the square fixture between bunkering screen work body and bunkering cell (3) bottom
(19)。
8. a kind of bushing type bunkering screen work according to claim 1, it is characterised in that the bunkering screen work is also
Including two base channel-section steels (20) being connected to below bunkering screen work body, base channel-section steel (20) is put down with translot steel I (4)
OK, the notch of two base channel-section steels (20) is dorsad set.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710222812.4A CN107093477B (en) | 2017-04-07 | 2017-04-07 | Sleeve type fuel storage grillwork |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710222812.4A CN107093477B (en) | 2017-04-07 | 2017-04-07 | Sleeve type fuel storage grillwork |
Publications (2)
Publication Number | Publication Date |
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CN107093477A true CN107093477A (en) | 2017-08-25 |
CN107093477B CN107093477B (en) | 2020-11-17 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710222812.4A Active CN107093477B (en) | 2017-04-07 | 2017-04-07 | Sleeve type fuel storage grillwork |
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CN (1) | CN107093477B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109243645A (en) * | 2018-09-13 | 2019-01-18 | 中国核动力研究设计院 | A kind of irradiated fuel assembly storage screen work |
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2017
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109243645A (en) * | 2018-09-13 | 2019-01-18 | 中国核动力研究设计院 | A kind of irradiated fuel assembly storage screen work |
CN109243645B (en) * | 2018-09-13 | 2022-03-01 | 中国核动力研究设计院 | Spent fuel assembly storage grillwork |
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Publication number | Publication date |
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CN107093477B (en) | 2020-11-17 |
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