CN108039212A - A kind of upper-part in-reactor component suitable for floating type reactor - Google Patents
A kind of upper-part in-reactor component suitable for floating type reactor Download PDFInfo
- Publication number
- CN108039212A CN108039212A CN201711324309.6A CN201711324309A CN108039212A CN 108039212 A CN108039212 A CN 108039212A CN 201711324309 A CN201711324309 A CN 201711324309A CN 108039212 A CN108039212 A CN 108039212A
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- reactor
- guide cylinder
- spring
- cylinder
- component
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- 238000007667 floating Methods 0.000 title claims abstract description 27
- 238000004146 energy storage Methods 0.000 claims abstract description 31
- 230000001133 acceleration Effects 0.000 claims abstract description 22
- 238000009825 accumulation Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
- G21C13/02—Details
-
- 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)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a kind of upper-part in-reactor component suitable for floating type reactor, it is related to nuclear power apparatus field peculiar to vessel, including supporting cylinder, a horizontally disposed fixed support plate is installed with the top of supporting cylinder, fixed support plate is equipped with the through hole passed through for reactor control rod component；Guide cylinder, guide cylinder are arranged inside supporting cylinder, and guide cylinder one end is embedded in fixed support plate through hole；Accelerate energy storage equipment, the acceleration energy storage equipment is arranged at the top of the fixed support plate, accelerates energy storage equipment to be used to provide extra kinetic energy to reactor control rod component in reactor control rod component scram.The upper-part in-reactor component suitable for floating type reactor of the present invention includes accelerating energy storage device, by the way that energy storage device will be accelerated to be arranged in the upper-part in-reactor component in reactor pressure vessel, the C＆P systems that can be achieved in reactor pressure vessel accelerate energy-storage function, and the C＆P systems realized under floating type reactor marine environmental conditions accelerate scram.
Description
Technical field
The present invention relates to nuclear power apparatus field peculiar to vessel, and in particular to structure in a kind of top heap suitable for floating type reactor
Part.
Background technology
Reactor core internals are located in reactor pressure vessel, provide runner for the cooling agent in pressure vessel, mainly
It is divided into upper-part in-reactor component and bottom in-pile component.Wherein, upper-part in-reactor component is mainly C＆P systems offer protection and can
The guiding leaned on；Bottom in-pile component is mainly that fuel assembly and its associated component provide reliable support and positioning, shielding neutron
And gamma-rays.When emergency occurs for reactor, it is necessary to make C＆P systems fall into reactor core control shutdown, to ensure
Reactor work safety.
Due to the special operating environment of floating type reactor, whole reactor is chronically at inclination, the sea waved and heaved
In foreign environment, tradition is unable to application solutions scram by the mode of gravity drive control rod assembly insertion reactor core control shutdown
Action.C＆P systems can be quickly fallen after rise to reactor core during to ensure emergency shut-down, meet the rod drop time requirement of nuclear design, needed
Special acceleration energy storage device is set, to ensure reactor safety shutdown.
In domestic and international floating heap Reactor structure design, acceleration energy storage device is arranged on reactor pressure vessel mostly
Outside, in the control rod drive mechanism of drive control rod assembly lifting, although playing the role of accelerating scram, filling
Need one by one to remove control rod drive mechanism in discharge process, therefore, higher is proposed to control rod drive mechanism
Technological requirement, and the reactor loading and unloading operating time is significantly increased, reduce the economic benefit of nuclear power station.
The content of the invention
For defect existing in the prior art, it is an object of the invention to provide a kind of suitable for floating type reactor
Upper-part in-reactor component, it can be achieved that C＆P systems in pressure vessel accelerate scram function under floating type reactor marine environment,
It is simple and reliable for structure, easy to reactor loading and unloading operate.
To achieve the above objectives, the present invention adopts the technical scheme that：
A kind of upper-part in-reactor component suitable for floating type reactor, it is arranged on inside reactor pressure vessel, including：
Cylinder is supported, a horizontally disposed fixed support plate is installed with the top of the supporting cylinder, is set in the fixed support plate
There is the through hole passed through for reactor control rod component；
Guide cylinder, the guide cylinder are arranged inside the supporting cylinder, and described guide cylinder one end is embedded at the fixed branch
Described in board in through hole；
Accelerate energy storage equipment, the acceleration energy storage equipment is arranged at the top of the fixed support plate, the acceleration energy storage equipment
For providing extra kinetic energy to reactor control rod component in reactor control rod component scram.
Based on the above technical solutions, the guide cylinder sets at least two groups, and is kept with C＆P systems quantity
Unanimously, each group guide cylinder is axially parallel to each other.
Based on the above technical solutions, the acceleration energy storage equipment includes elastic component, and the elastic component is by compressively
It is maintained at the top of fixed support plate, the elastic component is used to eject reactor control rod component in scram.
Based on the above technical solutions, the acceleration energy storage equipment includes：
Sleeve supports cylinder, and the sleeve supporting cylinder is fixedly arranged at the top of the fixed support plate, the sleeve supporting cylinder and institute
Guide cylinder is stated to be correspondingly arranged and be interconnected；
Spring guide cylinder, the spring guide cylinder be arranged on the sleeve supporting cylinder inside, the spring guide cylinder top with
It is fixedly connected at the top of the sleeve supporting cylinder；
The spring seat of honour, spring seat of honour one end are stretched into the spring guide cylinder, and the other end is fixed in the spring
Between guide cylinder and sleeve supporting cylinder；
Acceleration spring, the acceleration spring are arranged on inside the spring guide cylinder, and its one end is fixed with the spring seat of honour
Connection, the other end are installed with a spring lower seat.
Based on the above technical solutions, spring seat of honour bottom and spring lower seat top are equipped with spiral
Groove, the acceleration spring are connected with the spring seat of honour and the spring lower seat respectively by the helicla flute.
Based on the above technical solutions, the sleeve supporting cylinder outer tube wall is provided with several waist round hole, the sleeve
Bolt positioning hole is provided with the top of supporting cylinder, the spring seat of honour, sleeve supporting cylinder and spring guide cylinder are by being arranged in
The bolt for stating bolt positioning hole is connected as a single entity.
Based on the above technical solutions, guide cylinder and spring the guide cylinder quantity is kept with C＆P systems quantity
Unanimously, and the guide cylinder and spring guide cylinder are corresponded and set.
Based on the above technical solutions, the spring seat of honour, which is stretched into inside the spring guide cylinder, is divided into cylindrical tube
Body structure, and the cylindrical tube structure outer wall is fitted closely with the spring guide cylinder inner wall.
Based on the above technical solutions, waist round hole is provided with the guide cylinder outer tube wall, is equipped with the guide cylinder
The c-type pipe of total travel, the C-shaped pipes are fixed on the guide cylinder, and the C-shaped pipes are left for reactor control rod inside it
The passage passed through.
Compared with prior art, the advantage of the invention is that：
(1) upper-part in-reactor component suitable for floating type reactor of the invention includes accelerating energy storage device, by that will add
Fast energy storage device is arranged in the upper-part in-reactor component in reactor pressure vessel the control rod, it can be achieved that in reactor pressure vessel
Component accelerates energy-storage function, and the C＆P systems realized under floating type reactor marine environmental conditions accelerate scram.
(2) upper-part in-reactor component suitable for floating type reactor of the invention will be by that will accelerate energy storage device to be arranged on reaction
In upper-part in-reactor component in core pressure vessel, it can be avoided during reactor loading and unloading inside and outside reactor pressure environment not
With the control coordination problem of component.
(3) upper-part in-reactor component suitable for floating type reactor of the invention avoids during reactor loading and unloading
Control rod drive mechanism on pressure vessels top cover removed one by one, after it is integrally hung out with pressure vessels top cover,
Scram energy storage equipment can will be accelerated to be hung out with upper-part in-reactor component, significantly reduce the step of reactor loading and unloading
The rapid and time, improves the economic benefit of nuclear power station.
Brief description of the drawings
Fig. 1 is the structure diagram for the upper-part in-reactor component for being suitable for floating type reactor in the embodiment of the present invention；
Fig. 2 is the structure diagram for accelerating energy storage equipment in the embodiment of the present invention.
In figure：1- supports cylinder, 2- fixed support plates, 3- guide cylinders, 4- acceleration energy storage equipments, the 5- springs seat of honour, 6- springs
Guide cylinder, 7- sleeves supporting cylinder, 8- acceleration springs, 9- spring lower seats.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments.
Shown in Figure 1, the embodiment of the present invention provides a kind of upper-part in-reactor component suitable for floating type reactor, it sets
Inside reactor pressure vessel, including：
Cylinder 1 is supported, 1 top of supporting cylinder is installed with a horizontally disposed fixed support plate 2, is set in the fixed support plate 2
There is the through hole passed through for reactor control rod component；
Guide cylinder 3, guide cylinder 3 are arranged inside supporting cylinder 1, and 3 one end of guide cylinder is embedded in 2 through hole of fixed support plate；
Accelerate energy storage equipment 4, accelerate energy storage equipment 4 to be arranged on the top of fixed support plate 2, accelerate energy storage equipment 4 to be used for anti-
When answering heap C＆P systems scram extra kinetic energy is provided to reactor control rod component.
The present invention realizes floating type reactor sea by the way that scram energy storage equipment will be accelerated to be arranged in upper-part in-reactor component
C＆P systems under foreign environmental condition accelerate scram；Meanwhile during reactor loading and unloading, due to accelerate energy storage equipment with
Control rod drive is separately positioned, acceleration energy storage equipment is hung out with upper-part in-reactor component, significantly reduces
The step of reactor loading and unloading and time, improve the economy of nuclear power station.
Guide cylinder 3 sets at least two groups, and is consistent with C＆P systems quantity, and each group guide cylinder 3 is axial mutually flat
OK, meets the needs of multiple C＆P systems scram control at the same time.
Energy storage equipment 4 is accelerated to be used to provide extra move to reactor control rod component when reactor control rod falls component rod
Can, specifically, accelerating energy storage equipment 4 to include elastic component, the elastic component is compressively held the top of fixed support plate 2,
Elastic component is used to eject reactor control rod component in scram.
4 structure of acceleration energy storage equipment in embodiment specifically includes：
Sleeve supports cylinder 7, and sleeve supporting cylinder 7 is fixedly arranged on the top of fixed support plate 2, and sleeve supporting cylinder 7 is corresponding with guide cylinder 3
Set and be interconnected；Sleeve supporting 7 outer tube wall of cylinder can open up several waist round hole, and 7 top of sleeve supporting cylinder is provided with bolt and determines
Position mounting hole, the spring seat of honour 5, sleeve supporting cylinder 7 and spring guide cylinder 6 are by being arranged in the bolt of the bolt positioning hole
It is connected as a single entity.
Spring guide cylinder 6, the spring guide cylinder 6 be arranged on sleeve supporting cylinder 7 inside, 6 top of spring guide cylinder with it is described
7 top of sleeve supporting cylinder is fixedly connected；
The spring seat of honour 5, described 5 one end of the spring seat of honour are stretched into spring guide cylinder 6, and the other end is fixed in spring guide cylinder
Between 6 and sleeve supporting cylinder 7；The spring seat of honour 5, which is stretched into inside spring guide cylinder 6, is divided into cylindrical tube structure, and cylindrical tube
Body structure outer wall is fitted closely with 6 inner wall of spring guide cylinder.
Acceleration spring 8, acceleration spring are arranged on inside spring guide cylinder 6, and its one end is fixedly connected with the spring seat of honour 5,
The other end is installed with a spring lower seat 9.
Further, helicla flute can be also respectively provided with 5 bottom of the spring seat of honour and the top of spring lower seat 9, and by acceleration spring 8
It is connected respectively with the spring seat of honour 5 and spring lower seat 9 by helicla flute.
Further, guide cylinder 3 and spring guide cylinder 6 can be respectively provided with and is consistent with C＆P systems quantity, and will
Guide cylinder 3 and spring guide cylinder 6, which correspond, to be set.
Waist round hole can be opened up on 3 outer tube wall of guide cylinder in related embodiment, in order to which liquid flows out；It can lead at the same time
The c-type pipe of total travel is set into cylinder 3, C-shaped pipes are fixed on guide cylinder 3, and ensures that C-shaped pipes are left inside it for reaction
The passage that heap control rod passes through.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to the prior art known to professional and technical personnel in the field.
Claims (9)
1. a kind of upper-part in-reactor component suitable for floating type reactor, it is arranged on inside reactor pressure vessel, its feature exists
In, including：
Cylinder (1) is supported, a horizontally disposed fixed support plate (2), the fixed support plate are installed with the top of the supporting cylinder (1)
(2) it is equipped with the through hole passed through for reactor control rod component；
Guide cylinder (3), the guide cylinder (3) are arranged at supporting cylinder (1) inside, and described guide cylinder (3) one end is embedded at institute
State in fixed support plate (2) described through hole；
Accelerate energy storage equipment (4), the acceleration energy storage equipment (4) is arranged at the top of the fixed support plate (2), the acceleration accumulation of energy
Device (4) is used to provide extra kinetic energy to reactor control rod component in reactor control rod component scram.
2. it is suitable for the upper-part in-reactor component of floating type reactor as claimed in claim 1, it is characterised in that：The guide cylinder
(3) at least two groups are set, and is consistent with C＆P systems quantity, each group guide cylinder (3) is axially parallel to each other.
3. it is suitable for the upper-part in-reactor component of floating type reactor as claimed in claim 1, it is characterised in that：It is described to accelerate to store
Energy device (4) includes elastic component, and the elastic component is compressively held at the top of fixed support plate (2), and the elastic component is used for
Reactor control rod component is ejected in scram.
4. it is suitable for the upper-part in-reactor component of floating type reactor as claimed in claim 1, it is characterised in that：It is described to accelerate to store
Energy device (4) includes：
Sleeve supporting cylinder (7), the sleeve supporting cylinder (7) are fixedly arranged at the top of the fixed support plate (2), and the sleeve supports cylinder
(7) it is correspondingly arranged and is interconnected with the guide cylinder (3)；
Spring guide cylinder (6), the spring guide cylinder (6) are arranged on sleeve supporting cylinder (7) inside, the spring guide cylinder
(6) top at the top of sleeve supporting cylinder (7) with being fixedly connected；
The spring seat of honour (5), the described spring seat of honour (5) one end are stretched into the spring guide cylinder (6), and the other end is fixed in described
Between spring guide cylinder (6) and sleeve supporting cylinder (7)；
Acceleration spring (8), the acceleration spring are arranged on the spring guide cylinder (6) inside, its one end and the spring seat of honour (5)
It is fixedly connected, the other end is installed with a spring lower seat (9).
5. it is suitable for the upper-part in-reactor component of floating type reactor as claimed in claim 4, it is characterised in that：On the spring
Helicla flute is equipped with the top of seat (5) bottom and the spring lower seat (9), the acceleration spring (8) is distinguished by the helicla flute
It is connected with the spring seat of honour (5) and the spring lower seat (9).
6. it is suitable for the upper-part in-reactor component of floating type reactor as claimed in claim 4, it is characterised in that：The sleeve branch
Hold cylinder (7) outer tube wall and be provided with several waist round hole, bolt positioning hole, the bullet are provided with the top of the sleeve supporting cylinder (7)
The spring seat of honour (5), sleeve supporting cylinder (7) and spring guide cylinder (6) are linked as by being arranged in the bolt of the bolt positioning hole
One.
7. it is suitable for the upper-part in-reactor component of floating type reactor as claimed in claim 4, it is characterised in that：The guide cylinder
(3) it is consistent with spring guide cylinder (6) quantity with C＆P systems quantity, and the guide cylinder (3) and spring guide cylinder (6)
Correspond and set.
8. it is suitable for the upper-part in-reactor component of floating type reactor as claimed in claim 4, it is characterised in that：On the spring
Seat (5), which is stretched into inside the spring guide cylinder (6), is divided into cylindrical tube structure, and the cylindrical tube structure outer wall and institute
Spring guide cylinder (6) inner wall is stated to fit closely.
9. the upper-part in-reactor component suitable for floating type reactor as described in claim 1-8 any one, it is characterised in that：
Waist round hole is provided with guide cylinder (3) outer tube wall, the c-type pipe of total travel is equipped with the guide cylinder (3), the C-shaped pipes are consolidated
It is scheduled on the guide cylinder (3), the C-shaped pipes leave the passage passed through for reactor control rod inside it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324309.6A CN108039212B (en) | 2017-12-13 | 2017-12-13 | Upper internals suitable for floating reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324309.6A CN108039212B (en) | 2017-12-13 | 2017-12-13 | Upper internals suitable for floating reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108039212A true CN108039212A (en) | 2018-05-15 |
| CN108039212B CN108039212B (en) | 2024-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711324309.6A Active CN108039212B (en) | 2017-12-13 | 2017-12-13 | Upper internals suitable for floating reactor |
Country Status (1)
| Country | Link |
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| CN (1) | CN108039212B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922638A (en) * | 2018-07-25 | 2018-11-30 | 中广核研究院有限公司 | A kind of control rod drive mechanism with auxiliary scram device |
| CN109830310A (en) * | 2019-01-11 | 2019-05-31 | 中广核工程有限公司 | Ship reactor improved electric magnetic-type control rod drive mechanism |
| CN109994224A (en) * | 2019-01-11 | 2019-07-09 | 中广核工程有限公司 | Ship reactor control rod drive mechanism |
| CN110767327A (en) * | 2019-10-31 | 2020-02-07 | 中海石油(中国)有限公司 | Passive shutdown control rod driving device and method in overturning state of floating nuclear power plant |
| CN110767328A (en) * | 2019-10-31 | 2020-02-07 | 中海石油(中国)有限公司 | Device and method for driving shutdown control rod in overturning state of floating nuclear power station |
| CN111667929A (en) * | 2020-07-28 | 2020-09-15 | 中国原子能科学研究院 | Control rod driving mechanism and reactor with same |
| CN111933314A (en) * | 2020-08-07 | 2020-11-13 | 上海核工程研究设计院有限公司 | Passive shutdown device for nuclear reactor |
| CN112002445A (en) * | 2020-07-31 | 2020-11-27 | 清华大学 | Built-in control rod drive wire guide structure and control rod water pressure drive system |
| CN108922638B (en) * | 2018-07-25 | 2024-05-17 | 中广核研究院有限公司 | Control rod driving mechanism with auxiliary rod falling device |
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| CN207624388U (en) * | 2017-12-13 | 2018-07-17 | 中国船舶重工集团公司第七一九研究所 | A kind of upper-part in-reactor component suitable for floating type reactor |
| CN108899098A (en) * | 2018-07-20 | 2018-11-27 | 中广核研究院有限公司 | A kind of in-pile component structure suitable for presurized water reactor |
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| US3503268A (en) * | 1967-01-12 | 1970-03-31 | Westinghouse Electric Corp | Control rod insertion system |
| US3762994A (en) * | 1969-12-10 | 1973-10-02 | Siemens Ag | Drive assembly for nuclear reactor control rods |
| CN1038717A (en) * | 1988-02-11 | 1990-01-10 | 法国法码通公司 | Has reactor internal upper part member every the stream device |
| CN1057357A (en) * | 1990-05-07 | 1991-12-25 | 法玛通公司 | The nuclear reactor internal member that the cluster guide piece is arranged |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922638A (en) * | 2018-07-25 | 2018-11-30 | 中广核研究院有限公司 | A kind of control rod drive mechanism with auxiliary scram device |
| CN108922638B (en) * | 2018-07-25 | 2024-05-17 | 中广核研究院有限公司 | Control rod driving mechanism with auxiliary rod falling device |
| CN109830310A (en) * | 2019-01-11 | 2019-05-31 | 中广核工程有限公司 | Ship reactor improved electric magnetic-type control rod drive mechanism |
| CN109994224A (en) * | 2019-01-11 | 2019-07-09 | 中广核工程有限公司 | Ship reactor control rod drive mechanism |
| CN110767327A (en) * | 2019-10-31 | 2020-02-07 | 中海石油(中国)有限公司 | Passive shutdown control rod driving device and method in overturning state of floating nuclear power plant |
| CN110767328A (en) * | 2019-10-31 | 2020-02-07 | 中海石油(中国)有限公司 | Device and method for driving shutdown control rod in overturning state of floating nuclear power station |
| CN110767327B (en) * | 2019-10-31 | 2021-04-27 | 中海石油(中国)有限公司 | Passive shutdown control rod driving device and method in overturning state of floating nuclear power plant |
| CN110767328B (en) * | 2019-10-31 | 2021-04-27 | 中海石油(中国)有限公司 | Device and method for driving shutdown control rod in overturning state of floating nuclear power station |
| CN111667929A (en) * | 2020-07-28 | 2020-09-15 | 中国原子能科学研究院 | Control rod driving mechanism and reactor with same |
| CN112002445A (en) * | 2020-07-31 | 2020-11-27 | 清华大学 | Built-in control rod drive wire guide structure and control rod water pressure drive system |
| CN111933314A (en) * | 2020-08-07 | 2020-11-13 | 上海核工程研究设计院有限公司 | Passive shutdown device for nuclear reactor |
| CN111933314B (en) * | 2020-08-07 | 2022-05-10 | 上海核工程研究设计院有限公司 | Passive shutdown device for nuclear reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108039212B (en) | 2024-05-07 |
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