CN105719710A - Small modular reactor fuel handling and refueling system - Google Patents
Small modular reactor fuel handling and refueling system Download PDFInfo
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- CN105719710A CN105719710A CN201410718468.4A CN201410718468A CN105719710A CN 105719710 A CN105719710 A CN 105719710A CN 201410718468 A CN201410718468 A CN 201410718468A CN 105719710 A CN105719710 A CN 105719710A
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- reloads
- platform
- dress
- containment
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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 a small modular reactor fuel handling and refueling system. The small modular reactor fuel handling and refueling system comprises a containment, a pressure vessel, and a refueling pool; the pressure vessel and the refueling pool are both arranged in the containment; the refueling pool is arranged on the upper part of the pressure vessel; the lower part of the refueling pool is provided with an opening, and the opening is communicated with an opening on the upper end of the pressure vessel; the small modular reactor fuel handling and refueling system also comprises a fuel transfer tube, an auxiliary refueling platform, a loading and unloading platform, and an equipment crane; the external walls of the containment and the refueling pool are penetrated by the fuel transfer tube, and the fuel transfer tube is extended into the refueling pool; the auxiliary refueling platform is arranged above the refueling pool; the loading and unloading platform is arranged outside the containment, and above the refueling pool; and the equipment crane is arranged above the loading and unloading platform. The small modular reactor fuel handling and refueling system is suitable for small modular reactors provided with small reactor containments, and is capable of realizing fuel handling and refueling; almost no space in reactor containments is occupied; design is simple; and practicability is high.
Description
Technical field
The present invention relates to the design of the dress refuelling system of nuclear power plant reactor, particularly relate to the dress of a kind of small modular reactor and reload equipment.
Background technology
The dress refuelling system (FHS) of nuclear power plant reactor is very important system, because it relate to hanging of fuel take, transport, store, the operation such as loading, perform secure and non-secure correlation function, subsystem and equipment are not only much but also more complicated, and arrange tight association with Factory Building, the design therefore filling refuelling system is the important component part that nuclear power station design (even conceptual phase) be can not ignore.
The main equipments such as steam generation, manostat, cooling medium pump, driving mechanism are integrated on pressure vessel by being mainly characterized by of small modular reactor (SMR), form the integrated arrangement not having pipeline, additionally generally reactor system is placed in compact containment, and be partly or entirely embedded in underground.
, there is following problem in the design for dress refuelling system of compact (or small-sized) containment:
1, in containment, space is little, it is impossible to arranges ring as large-scale containment (such as Qinshan or three nuclear power stations) and hangs.Ring is hung in conventional presurized water reactor for lifting pressure vessels top cover, in-pile component etc., and SMR is also required to when reloading hang away integration steam generator, in-pile component etc..
2, SMR arranges the equipment of security system, such as Core makeup tank etc. around integration body, thus substantially reduces the space around integration body, making it difficult to arrange rectangular refuelling pool in conventional presurized water reactor.
3, as described in the 2nd, integration body surrounding space is little, it is impossible to arrange the refuelling pool of rectangle, thus also cannot arrange fuel manipulator crane as conventional presurized water reactor on refuelling pool.Fuel manipulator crane equipment is huge, except working place, also wants placement space, therefore fails to lay down fuel manipulator crane in the small-sized safety shell of SMR.
Although 4, the diameter of SMR body is little, but highly of a relatively high, above reactor core except in-pile component, also have steam generator and the manostat of integration.During the time it is carried out, after removed reactor core top veil, the fore-and-aft distance of fuel handling can be very long, in this case or designing more complicated fuel handles machinery, or set up the operating platform of people, carry out the operations such as the alignment assisted.
Summary of the invention
The present invention is contemplated to solve the problems referred to above, overcomes the reaction of prior art middle-size and small-size modularity to stow existing problem of reloading, and the present invention provides the dress of a kind of small modular reactor to reload equipment to meet demand.
To achieve these goals, technical scheme is as follows:
The dress of a kind of small modular reactor reloads equipment, including containment, pressure vessel and refuelling pool, described pressure vessel and refuelling pool may be contained within containment, described refuelling pool is arranged at above pressure vessel, described refuelling pool is arranged below opening and connects with the upper end open of pressure vessel, it is characterized in that, also include fuel transport passage, assist the platform that reloads, dress discharging platform and equipment crane, described fuel transport passage stretches in refuelling pool through the outer wall of containment and refuelling pool, the described auxiliary paralell that reloads is located on refuelling pool, described dress discharging platform is arranged at above the refuelling pool outside containment, described equipment crane is arranged at the top of dress discharging platform.
The dress of above-mentioned a kind of small modular reactor reloads equipment, it is characterised in that described refuelling pool is cylindrical, and described refuelling pool top is provided with a circle circular orbit.
The dress of above-mentioned a kind of small modular reactor reloads equipment, it is characterized in that, the described auxiliary platform that reloads includes auxiliary and reloads crane span structure and personnel's platform, the reload two ends of crane span structure of described auxiliary are set up in described circular orbit, and described personnel's paralell is located at auxiliary and is reloaded on crane span structure and can move along the auxiliary crane span structure that reloads.
The dress of above-mentioned a kind of small modular reactor reloads equipment, it is characterised in that described personnel's platform is positioned at described auxiliary and reloads the lower section of crane span structure.
The dress of above-mentioned a kind of small modular reactor reloads equipment, it is characterized in that, described dress discharging platform includes two civil engineering knee walls being arranged at containment both sides, it is arranged at the moving track on two described civil engineering knee walls, it is set up in the handling bridge frame on described moving track, it is set up in the fuel handling vehicle on described handling bridge frame and the fuel stick being arranged on fuel handling vehicle.
The invention has the beneficial effects as follows: be applicable for use with the small modular reactor of small-sized safety shell, it is achieved fill function of reloading, hardly taking up space in containment, and design is simple, exploitativeness is strong.
Accompanying drawing explanation
Fig. 1 is the overall schematic of the present invention；
Fig. 2 is the schematic top plan view in containment；
Fig. 3 is overall schematic top plan view.
Number in the figure is: 100-containment；200-pressure vessel；300-refuelling pool；400-fuel transport passage；410-fuel transport machine；500-fills discharging platform；510-fuel handling vehicle；511-fuel stick；520-loads and unloads bridge frame；521-civil engineering knee wall；522-moving track；600-equipment crane；610-equipment crane bridge；620-lifting mechanism；630-suspension hook；700-assists the platform that reloads；710-assists the crane span structure that reloads；720-personnel's platform；730-circular orbit
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, the present invention is expanded on further.
Referring to Fig. 1, the dress of a kind of small modular reactor reloads equipment, including containment 100, pressure vessel 200 and refuelling pool 300, pressure vessel 200 and refuelling pool 300 may be contained within containment 100, refuelling pool 300 is arranged at above pressure vessel 200, refuelling pool 300 is arranged below opening and the upper end open with pressure vessel 200 connects, and also includes fuel transport passage 400, assists the platform 700 that reloads, dress discharging platform 500 and and equipment crane 600.
Refuelling pool 300 is cylindrical, and refuelling pool 300 top is provided with a circle circular orbit 730.
Fuel transport passage 400 stretches in refuelling pool 300 through the outer wall of containment 100 and refuelling pool 300, and fuel transport passage 400 is provided with fuel transport machine 410.
The auxiliary platform 700 that reloads includes auxiliary and reloads crane span structure 710 and personnel's platform 720.The two ends assisting the crane span structure 710 that reloads are set up on circular orbit 730, assist the crane span structure 710 that reloads can rotate along circular orbit 730, personnel's platform 720 is set up in auxiliary and reloads on crane span structure 710 and can move along the auxiliary crane span structure 710 that reloads, and personnel's platform 720 is generally set up in auxiliary and reloads the lower section of crane span structure 710.
Dress discharging platform 500 includes two civil engineering knee walls 521 being arranged at containment both sides, it is arranged at the moving track 522 on two civil engineering knee walls 521, it is set up in the handling bridge frame 520 on moving track 522, with the fuel handling vehicle 510 being set up on handling bridge frame 520, handling bridge frame 520 can move linearly along moving track 522, fuel handling vehicle 510 can move linearly along handling bridge frame 520, and fuel handling vehicle 510 is provided with fuel stick 511.
Equipment crane 600 is arranged at the top of dress discharging platform 500.Equipment crane 600 includes lifting mechanism 620 and the equipment crane bridge 610 driving lifting mechanism 620 to move along X-axis and Y-axis, and lifting mechanism is also connected with suspension hook 630 620 times.
When reactor needs to reload, the top cover (in Fig. 1 containment top dotted portion) of containment 100 is opened first with the suspension hook 630 of equipment crane 600, then the lifting mechanism 620 of equipment crane 600 is moved to directly over containment 100, utilize the various veils (such as steam generator, manostat, in-pile component etc.) that suspension hook 630 hangs out on reactor core, be put in and safeguard in Factory Building.
Then enabling fuel handling vehicle 510, fuel handling vehicle 510 passes through to load and unload the movement of bridge frame 520, fuel handling vehicle 510 moves the surface to the fuel assembly needing replacing, puts down fuel stick 511, and the fuel of heap in-core is captured and handling etc. operates.
When fuel stick 511 carries out fuel handling, it is necessary to enable the auxiliary in containment 100 and reload platform 700.Auxiliary reload platform 700 flat time be placed on and safeguard in Factory Building, when carry out reloading operation time, the suspension hook 630 of equipment crane 600 auxiliary reloaded platform 700 import in containment 100, be placed on the circular orbit 730 on refuelling pool 300.When after end of reloading, hang out containment 100 also with suspension hook 630 platform 700 that auxiliary reloaded.
When auxiliary reloads platform 700 work, the crane span structure 710 that first auxiliary reloaded rotates to proper angle, translates personnel's platform 720 to correct position, and then fuel stick 511 is carried out the operations such as alignment by the operator on personnel's platform 720.
When reloading, after fuel is sling by fuel stick 511, utilize the fuel handling vehicle 510 movement on handling bridge frame 520 (handling bridge frame 520 moves on moving track 522) that fuel moves to reactor core center or removal；Then rotate the reload auxiliary of platform 700 of auxiliary to reload crane span structure 710 so that it is parallel with fuel transport passage 400；Followed by the movement of fuel handling vehicle 510, place fuel into the fuel transport machine 410 in fuel transport passage 400, passed in and out containment building and fuel Factory Building by fuel transport machine 410.
Present invention only provides the dress refuelling scheme in containment 100, little as the fuel handling in fuel Factory Building and conventional presurized water reactor difference, do not repeat herein.
It addition, why hang under auxiliary reloads crane span structure 710 by personnel's platform 720, assisting the crane span structure 710 that reloads on the one hand is simple stress structure, lifts more stable；On the other hand lifting form make personnel's platform 720 from reactor core closer to, thus being easier to make for human assistance alignment function.
The invention has the beneficial effects as follows: be applicable to arrange the small modular reactor of small-sized safety shell, it is achieved fill function of reloading, hardly taking up space in containment, and design is simple, exploitativeness is strong.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (5)
1. the dress of a small modular reactor reloads equipment, including containment, pressure vessel and refuelling pool, described pressure vessel and refuelling pool may be contained within containment, described refuelling pool is arranged at above pressure vessel, described refuelling pool is arranged below opening and connects with the upper end open of pressure vessel, it is characterized in that, also include fuel transport passage, assist the platform that reloads, dress discharging platform and equipment crane, described fuel transport passage stretches in refuelling pool through the outer wall of containment and refuelling pool, the described auxiliary paralell that reloads is located on refuelling pool, described dress discharging platform is arranged at above the refuelling pool outside containment, described equipment crane is arranged at the top of dress discharging platform.
2. the dress of a kind of small modular reactor reloads equipment according to claim 1, it is characterised in that described refuelling pool is cylindrical, and described refuelling pool top is provided with a circle circular orbit.
3. the dress of a kind of small modular reactor according to claim 1 or claim 2 reloads equipment, it is characterized in that, the described auxiliary platform that reloads includes auxiliary and reloads crane span structure and personnel's platform, the reload two ends of crane span structure of described auxiliary are set up in described circular orbit, and described personnel's paralell is located at auxiliary and is reloaded on crane span structure and can move along the auxiliary crane span structure that reloads.
4. the dress of a kind of small modular reactor according to claim 3 reloads equipment, it is characterised in that described personnel's platform is positioned at described auxiliary and reloads the lower section of crane span structure.
5. the dress of a kind of small modular reactor reloads equipment according to claim 1, it is characterized in that, described dress discharging platform includes two civil engineering knee walls being arranged at containment both sides, it is arranged at the moving track on two described civil engineering knee walls, it is set up in the handling bridge frame on described moving track, it is set up in the fuel handling vehicle on described handling bridge frame and the fuel stick being arranged on fuel handling vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718468.4A CN105719710A (en) | 2014-12-01 | 2014-12-01 | Small modular reactor fuel handling and refueling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410718468.4A CN105719710A (en) | 2014-12-01 | 2014-12-01 | Small modular reactor fuel handling and refueling system |
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| CN105719710A true CN105719710A (en) | 2016-06-29 |
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| CN201410718468.4A Pending CN105719710A (en) | 2014-12-01 | 2014-12-01 | Small modular reactor fuel handling and refueling system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910541A (en) * | 2017-03-30 | 2017-06-30 | 上海核工程研究设计院 | A kind of close-coupled nuclear reaction stows technique of reloading |
| CN109979626A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of swimming pool formula atmospheric low-temperature process heat reactor fuel handling system and method |
| CN110648774A (en) * | 2019-09-02 | 2020-01-03 | 中国科学院合肥物质科学研究院 | Vehicle-mounted mobile material changing system and material changing method |
| CN112820430A (en) * | 2019-11-18 | 2021-05-18 | 中国核工业二三建设有限公司 | Method for installing and constructing high-temperature gas cooled reactor graphite and carbon reactor internal member and installing trolley |
| CN115376713A (en) * | 2022-08-05 | 2022-11-22 | 上海核工程研究设计院有限公司 | Integrated reactor loading and reloading device, system and process |
| WO2024061068A1 (en) * | 2022-09-19 | 2024-03-28 | 上海核工程研究设计院股份有限公司 | Reactor fuel-loading and refueling system and method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910541A (en) * | 2017-03-30 | 2017-06-30 | 上海核工程研究设计院 | A kind of close-coupled nuclear reaction stows technique of reloading |
| CN109979626A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of swimming pool formula atmospheric low-temperature process heat reactor fuel handling system and method |
| CN109979626B (en) * | 2017-12-27 | 2024-04-09 | 核动力运行研究所 | Swimming pool type normal pressure low temperature heat supply stack fuel loading and unloading system and method |
| CN110648774A (en) * | 2019-09-02 | 2020-01-03 | 中国科学院合肥物质科学研究院 | Vehicle-mounted mobile material changing system and material changing method |
| CN112820430A (en) * | 2019-11-18 | 2021-05-18 | 中国核工业二三建设有限公司 | Method for installing and constructing high-temperature gas cooled reactor graphite and carbon reactor internal member and installing trolley |
| CN112820430B (en) * | 2019-11-18 | 2024-05-14 | 中国核工业二三建设有限公司 | Method for installing and building graphite and carbon internal components of high-temperature gas cooled reactor and installation trolley |
| CN115376713A (en) * | 2022-08-05 | 2022-11-22 | 上海核工程研究设计院有限公司 | Integrated reactor loading and reloading device, system and process |
| CN115376713B (en) * | 2022-08-05 | 2024-06-14 | 上海核工程研究设计院股份有限公司 | Integrated reactor loading and reloading device, system and process |
| WO2024061068A1 (en) * | 2022-09-19 | 2024-03-28 | 上海核工程研究设计院股份有限公司 | Reactor fuel-loading and refueling system and method |
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