CN206833931U - A kind of Accelerator Driven Subcritical gas-cooled reactor - Google Patents
A kind of Accelerator Driven Subcritical gas-cooled reactor Download PDFInfo
- Publication number
- CN206833931U CN206833931U CN201720664528.8U CN201720664528U CN206833931U CN 206833931 U CN206833931 U CN 206833931U CN 201720664528 U CN201720664528 U CN 201720664528U CN 206833931 U CN206833931 U CN 206833931U
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- China
- Prior art keywords
- pressure vessel
- reactor core
- heavy metal
- metal target
- discharge chamber
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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 utility model provides a kind of Accelerator Driven Subcritical gas-cooled reactor, including pressure vessel, supporting plate is set inside pressure vessel, cavity inside pressure vessel is divided into upper chamber and lower chambers by supporting plate, reactor core is provided with the upside of upper chamber's inner support plate, gap is left between reactor core and pressure vessel, bottom chamber below reactor core is provided with discharge chamber, lower chambers beyond discharge chamber are inlet plenum, the side wall of the pressure vessel of lower chambers is provided with the hot gas conduit including inner cylinder and outer barrel, inner cylinder is by discharge chamber and pressure vessel ft connection, space between outer barrel and inner cylinder is by inlet plenum and pressure vessel ft connection；Through hole is provided with supporting plate in discharge chamber, through hole connects reactor core with discharge chamber, through hole is provided with supporting plate between reactor core and pressure vessel inwall, through hole connects inlet plenum with upper chamber, the lower end of heavy metal target penetration piece is extend into upper chamber sequentially pass through reactor core, discharge chamber, inlet plenum after pass pressure vessel.The utility model is simple in construction, practical.
Description
Technical field
The utility model belongs to nuclear reactor equipment technical field, is gas-cooled more particularly, to a kind of Accelerator Driven Subcritical
Reactor.
Background technology
Nuclear energy is the mother of the following irreplaceable energy, and nuclear energy can be brought the effect of huge in production, with the hair of society
Exhibition, existing traditional nuclear energy technology can not increasingly meet the needs of social diversity.This just needs constantly research and development and design
New nuclear reactor is to meet the needs of social diversity.
The content of the invention
In view of this, the utility model is directed to a kind of Accelerator Driven Subcritical gas-cooled reactor, to propose one kind
The nuclear reactor of new architecture.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of Accelerator Driven Subcritical gas-cooled reactor, including pressure vessel, pressure vessel inside set supporting plate, supporting plate
Cavity inside pressure vessel is divided into upper chamber and lower chambers, is provided with reactor core on the upside of upper chamber's inner support plate, reactor core with
Leaving gap between pressure vessel, the bottom chamber below reactor core is provided with discharge chamber, and the lower chambers beyond discharge chamber are inlet plenum,
Discharge chamber is separate with inlet plenum, and the side wall of the pressure vessel of lower chambers is provided with hot gas conduit, hot gas conduit include inner cylinder and
Outer barrel, space is provided between outer barrel and inner cylinder, inner cylinder is by discharge chamber and pressure vessel ft connection, the sky between outer barrel and inner cylinder
Gap is by inlet plenum and pressure vessel ft connection；
Through hole is provided with supporting plate in discharge chamber, through hole connects reactor core with discharge chamber, reactor core and pressure vessel inwall it
Between supporting plate on be provided with through hole, through hole connects inlet plenum with upper chamber, and the lower end of heavy metal target penetration piece extend into epicoele
Interior passes pressure vessel after sequentially passing through reactor core, discharge chamber, inlet plenum.
Further, the heavy metal target penetration piece and reactor core are concentric.
Further, close to heavy metal target penetration piece and to surround the reactor core of heavy metal target penetration piece be fast neutron reaction
Area, the reactor core of fast neutron reaction area periphery be thermal-neutron reaction area, and the peripheral reactor core in thermal-neutron reaction area is power adjusting area, work(
The reactor core of rate regulatory region periphery is reflecting layer.
Further, the fast neutron reaction area is built-in built with spentnuclear fuel or fissionable fuel, thermal-neutron reaction area
There are the easy fissioners of U-235.
Further, the reactor core is provided with 7~11 layers from top to bottom, and the superiors and orlop are respectively reflecting layer.
Further, the upper end of the pressure vessel is provided with the control rod of control reactor capability, and the lower end of control rod is stretched
Enter the power adjusting area to reactor core.
Further, the upper end of the pressure vessel is provided with the absorption ball passage that ball is absorbed for putting into, and absorbs ball passage
Lower end extend into the power adjusting area of reactor core.
Further, it is provided with heavy metal target in the heavy metal target penetration piece of heap core inner, the huge sum of money above heavy metal target
Category target penetration piece is internally provided with the coil for accelerating proton.
Further, heavy metal target is provided with the heavy metal target penetration piece of reactor core lower end, heavy metal target is lead bismuth
Heavy metal target made of eutectic material.
Further, the pressure vessel includes upper cover and low head, affixed by flange between upper cover and low head,
Reactor core, discharge chamber, inlet plenum are separately positioned in low head, absorb ball passage, control rod is separately positioned on upper cover.
Relative to prior art, a kind of Accelerator Driven Subcritical gas-cooled reactor described in the utility model has following
Advantage：
(1) the utility model is simple in construction, practical, can be used for the easily fissions such as generating, spentnuclear fuel processing and U235
The production of nuclear fuel material, reacted using subcritical form, there is intrinsic safety and reliability；
(2) the utility model is provided with twice reactor shut-off system, and safety and reliability is higher；
(3) heavy metal target penetration piece of the present utility model is internally provided with for the coil to Proton emission, can be significantly
The speed of proton is improved, bombardment target center produces more neutrons.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation of the reactor core described in the utility model embodiment.
Description of reference numerals：
1st, pressure vessel；101st, upper cover；102nd, low head；2nd, supporting plate；3rd, heavy metal target penetration piece；31st, heavy metal target；
4th, hot gas conduit；401st, inner cylinder；402nd, outer barrel；5th, reactor core；51st, fast neutron reaction area；52nd, thermal-neutron reaction area；53rd, power is adjusted
Save area；54th, reflecting layer；6th, control rod；7th, ball passage is absorbed；A, upper chamber；B, discharge chamber；C, inlet plenum.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, 2, a kind of Accelerator Driven Subcritical gas-cooled reactor, including pressure vessel 1, set inside pressure vessel 1
Supporting plate 2 is put, the cavity inside pressure vessel 1 is divided into upper chamber a and lower chambers by supporting plate 2.Upper chamber's a inner support plates 2
Upside is provided with reactor core 5, and the gap flowed through for cooling agent is left between reactor core 5 and pressure vessel 1.Under the underface of reactor core 5
Be provided with discharge chamber b in chamber, the lower chambers beyond discharge chamber b be inlet plenum c, discharge chamber b and inlet plenum c separated by dividing plate and
Independently of each other.The side wall of the pressure vessel 1 of lower chambers is provided with hot gas conduit 4, and hot gas conduit 4 is bolt-connected to pressure vessel 1
Side on.Hot gas conduit 4 includes concentric inner cylinder 401 and outer barrel 402, and outer barrel 402 is fixed in pressure vessel 1 by bolt
On.The space flowed through for cooling agent is provided between outer barrel 402 and inner cylinder 401, inner cylinder 401 is by outside discharge chamber b and pressure vessel 1
Portion connects, and space between outer barrel 402 and inner cylinder 401 is by inlet plenum c and the ft connection of pressure vessel 1.Supporting plate in discharge chamber b
Through hole 202 is provided with 2, through hole 202 connects reactor core 5 with discharge chamber b, in the supporting plate 2 between reactor core 5 and the inwall of pressure vessel 1
Through hole 202 is provided with, through hole 202 connects inlet plenum c with upper chamber a.Pressure vessel 1 is arranged to the structure of upper and lower insertion, to pacify
Fill heavy metal target penetration piece 3.The lower end of heavy metal target penetration piece 3 extend into upper chamber a and sequentially passes through reactor core 5, discharge chamber
B, pressure vessel 1 is passed after inlet plenum c.Heavy metal target penetration piece 3, reactor core 5, discharge chamber b, pressure vessel 1 are concentric.
It is fast neutron reaction area 51 close to heavy metal target penetration piece 3 and the reactor core 5 that surrounds heavy metal target penetration piece 3, only
It is fast neutron reaction area 51 in 6 hexagon ducts to have around heavy metal target 31, fast neutron reaction area 51 built with spentnuclear fuel or
Other fissionable fuels of person.The reactor core 5 of the periphery of fast neutron reaction area 51 is thermal-neutron reaction area 52, and thermal-neutron reaction area 52 is built-in
There are the easy fissioners of U-235.The reactor core 5 of the periphery of thermal-neutron reaction area 52 is power adjusting area 53, the periphery of power adjusting area 53
Reactor core 5 is reflecting layer 54.Fast neutron reaction and thermal-neutron reaction occur respectively for fast neutron reaction area 51 and thermal-neutron reaction area 52,
Power adjusting area 53 may be inserted into control rod 6 and absorb ball and reactor capability is adjusted, and reflecting layer 54 is used for shielding neutron,
The heat-blocking action of inside and outside cooling agent is played simultaneously.Reactor core 5 is provided with 7~11 layers from top to bottom, and the superiors and orlop are respectively
Reflecting layer 54, to prevent neutron irradiation from going out pressure vessel 1.
The upper end of pressure vessel 1 is provided with the control rod 6 of control reactor capability, and the lower end of control rod 6 extend into reactor core 5
Power adjusting area 53.The upper end of pressure vessel 1 is additionally provided with the absorption ball passage 7 of control reactor capability, absorbs under ball passage 7
End extend into the power adjusting area 53 of reactor core 5.The second reactor shut-off system that ball passage 7 forms reactor is absorbed, is lost in control rod 6
It can be discharged in the case of effect to reactor core 5 and absorb ball, the purpose of reactor shutdown is reached after absorption ball absorption neutron.Control rod 6
Set with the uniform intervals of ball passage 7 are absorbed.The circumference of supporting plate 2 is provided with ring-shaped step, and ring-shaped step can increase welding
Area, improve weld strength.
Heavy metal target 31 is provided with heavy metal target penetration piece 3 inside reactor core 5, heavy metal target 31 is positioned close to reactor core
In the heavy metal target penetration piece 3 of 5 lower ends, heavy metal target 31 is heavy metal target 31 made of lead bismuth eutectic material.Heavy metal target
The heavy metal target penetration piece 3 of 31 tops is internally provided with the coil for accelerating proton, and coil can produce magnetic field and add for proton
Speed.
Pressure vessel 1 includes upper cover 101 and low head 102, affixed by flange between upper cover 101 and low head 102,
Reactor core 5, discharge chamber b, inlet plenum c are separately positioned in low head 102, absorb ball passage 7, control rod 6 is separately positioned on envelope
On first 101, necessary measurement sensor is additionally provided with upper cover 101.
Operation principle of the present utility model：
(1) coil is included in heavy metal target penetration piece 3, caused by coil in the track of magnetic field heavy metal target penetration piece 3
The proton of motion is accelerated, and after proton obtains enough energy, is struck in the heavy metal target 31 being made up of lead bismuth eutectic,
Heavy metal target 31 produces neutron and radiated to surrounding.
(2) neutron reaches fast neutron reaction area 51 first after the release of heavy metal target 31, and fast neutron reaction area 51 is equipped with weary
Fuel or other fissionable fuels, energy is higher when neutron reaches this area, excites spentnuclear fuel transmuting or causes other split
Become fuel to react；The relatively low neutron of part energy reaches thermal-neutron reaction area 52, and thermal-neutron reaction area 52 is equipped with U-235
Etc. easy fissioner, this area's thermal neutron is triggered to react；Neutron reaches upper and lower two layers of peripheral reflecting layer 54 or reactor core 5
Prevention is reflected to during reflecting layer and reaches extraneous, so as to keep that there is relatively low radiation level outside pressure vessel 1.
(3) the secondary circuit cooling agent selection helium in the utility model, while reactor core 5 reacts, high temperature helium is made
Inlet plenum c is entered by the space between the outer barrel 402 and inner cylinder 401 of hot gas conduit 4 for cooling agent, helium flows through supporting plate 2
Enter upper chamber a, then enter from the top of reactor core 5 in reactor core 5, being cooled down to reactor core 5 from top to bottom, finally enter outlet
Flowed out after the b of room by the inner cylinder 401 of hot gas conduit 4, complete the cooling of reactor.
(4) power adjusting of reactor is realized by control rod 6, and reactor is by controlling control rod 6 to stretch into reactor core 5
Length so as to which the power of reactor core 5 be adjusted, during 6 fully-inserted reactor core 5 of control rod, reactor is out of service；Work as control
When rod 6 fails, using second set of cooling system, ball will be absorbed and flow into reactor core 5 from ball passage 7 is absorbed, after absorbing ball absorption neutron
Emergency shut-down is carried out to reactor.
The utility model is using spentnuclear fuel as fuel, bombards target material by accelerating proton and excites high-energy neutron, with weary combustion
Material or the reaction of other fissionable nucleus raw materials, so as to carry out a kind of nuclear power system of transmuting to nuke rubbish.Accelerator driven faces
Boundary's reactor is expected to turn into a kind of processing potential method of nuke rubbish, and a kind of effective hand for producing easily fission nuclear fuel material
Section.In addition, reactor can also export certain power, it is possible to achieve the useless processing of core and generating dual purpose.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (10)
- A kind of 1. Accelerator Driven Subcritical gas-cooled reactor, it is characterised in that：Including pressure vessel (1), set inside pressure vessel (1) Supporting plate (2) is put, the internal cavity of pressure vessel (1) is divided into upper chamber (a) and lower chambers by supporting plate (2), and upper chamber (a) is interior Reactor core (5) is provided with the upside of supporting plate (2), leaves gap between reactor core (5) and pressure vessel (1), the cavity of resorption below reactor core (5) Interior is provided with discharge chamber (b), and the lower chambers beyond discharge chamber (b) are inlet plenum (c), and discharge chamber (b) is mutual with inlet plenum (c) Independent, the side wall of the pressure vessel (1) of lower chambers is provided with hot gas conduit (4), and hot gas conduit (4) includes inner cylinder (401) and outer barrel (402) space, is provided between outer barrel (402) and inner cylinder (401), inner cylinder (401) is outside by discharge chamber (b) and pressure vessel (1) Connection, space between outer barrel (402) and inner cylinder (401) is by inlet plenum (c) and pressure vessel (1) ft connection；Through hole (202) is provided with supporting plate (2) in discharge chamber (b), through hole (202) connects reactor core (5) with discharge chamber (b), Be provided with through hole (202) in supporting plate (2) between reactor core (5) and pressure vessel (1) inwall, through hole (202) by inlet plenum (c) with it is upper Chamber (a) connects, and the lower end of heavy metal target penetration piece (3) extend into upper chamber (a) and sequentially passes through reactor core (5), discharge chamber (b) pressure vessel (1), is passed after inlet plenum (c).
- 2. Accelerator Driven Subcritical gas-cooled reactor according to claim 1, it is characterised in that：The heavy metal target is passed through Wear part (3) and reactor core (5) is concentric.
- 3. Accelerator Driven Subcritical gas-cooled reactor according to claim 1, it is characterised in that：Passed through close to heavy metal target It is fast neutron reaction area (51) to wear part (3) and surround the reactor cores (5) of heavy metal target penetration piece (3), fast neutron reaction area (51) The reactor core (5) of periphery is thermal-neutron reaction area (52), and the reactor core (5) of thermal-neutron reaction area (52) periphery is power adjusting area (53), the reactor core (5) of power adjusting area (53) periphery is reflecting layer (54).
- 4. Accelerator Driven Subcritical gas-cooled reactor according to claim 3, it is characterised in that：The fast neutron reaction Area (51) is built with spentnuclear fuel or fissionable fuel, and thermal-neutron reaction area (52) are built with the easy fissioners of U-235.
- 5. Accelerator Driven Subcritical gas-cooled reactor according to claim 1, it is characterised in that：The reactor core (5) from Top to bottm is provided with 7~11 layers, and the superiors and orlop are respectively reflecting layer.
- 6. Accelerator Driven Subcritical gas-cooled reactor according to claim 1, it is characterised in that：The pressure vessel (1) Upper end be provided with control reactor capability control rod (6), the lower end of control rod (6) extend into the power adjusting of reactor core (5) Area (53).
- 7. Accelerator Driven Subcritical gas-cooled reactor according to claim 1, it is characterised in that：The pressure vessel (1) Upper end be provided with for put into absorb ball absorption ball passage (7), absorb ball passage (7) lower end extend into reactor core (5) Power adjusting area (53).
- 8. Accelerator Driven Subcritical gas-cooled reactor according to claim 1, it is characterised in that：Reactor core (5) inside It is provided with heavy metal target (31) in heavy metal target penetration piece (3), the heavy metal target penetration piece (3) above heavy metal target (31) is internal It is provided with the coil for accelerating proton.
- 9. Accelerator Driven Subcritical gas-cooled reactor according to claim 1, it is characterised in that：Under reactor core (5) Heavy metal target (31) is provided with the heavy metal target penetration piece (3) at end, heavy metal target (31) is made of lead bismuth eutectic material Heavy metal target (31).
- 10. Accelerator Driven Subcritical gas-cooled reactor according to claim 1, it is characterised in that：The pressure vessel (1) Including upper cover (101) and low head (102), reactor core affixed by flange between upper cover (101) and low head (102) (5), discharge chamber (b), inlet plenum (c) are separately positioned in low head (102), absorb ball passage (7), control rod (6) is set respectively Put on upper cover (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664528.8U CN206833931U (en) | 2017-06-08 | 2017-06-08 | A kind of Accelerator Driven Subcritical gas-cooled reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664528.8U CN206833931U (en) | 2017-06-08 | 2017-06-08 | A kind of Accelerator Driven Subcritical gas-cooled reactor |
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| Publication Number | Publication Date |
|---|---|
| CN206833931U true CN206833931U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720664528.8U Expired - Fee Related CN206833931U (en) | 2017-06-08 | 2017-06-08 | A kind of Accelerator Driven Subcritical gas-cooled reactor |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195334A (en) * | 2017-06-08 | 2017-09-22 | 清华大学天津高端装备研究院 | A kind of Accelerator Driven Subcritical gas-cooled reactor |
-
2017
- 2017-06-08 CN CN201720664528.8U patent/CN206833931U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195334A (en) * | 2017-06-08 | 2017-09-22 | 清华大学天津高端装备研究院 | A kind of Accelerator Driven Subcritical gas-cooled reactor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |