CN203118512U - Nuclear power device - Google Patents
Nuclear power device Download PDFInfo
- Publication number
- CN203118512U CN203118512U CN2013200632731U CN201320063273U CN203118512U CN 203118512 U CN203118512 U CN 203118512U CN 2013200632731 U CN2013200632731 U CN 2013200632731U CN 201320063273 U CN201320063273 U CN 201320063273U CN 203118512 U CN203118512 U CN 203118512U
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- China
- Prior art keywords
- nuclear
- housing
- reaction
- reactor vessel
- nuclear fuel
- Prior art date
- 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.)
- Expired - Fee Related
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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 discloses a nuclear power device and belongs to the field of nuclear technology. The nuclear power device comprises a nuclear reactor vessel, a plurality of nuclear fuel rods, a first housing body and a plurality of controllers, wherein the nuclear fuel rods are arranged in the nuclear reactor vessel and are used for generating nuclear heat; the nuclear reactor vessel is sleeved with the first housing; the controllers are arranged between the first housing and the nuclear reactor vessel, and are arranged around the nuclear fuel rods at intervals; a reaction control unit and a control part are arranged on each controller, the reaction control units are used for decelerating the nuclear reaction of the nuclear fuel rods, and the control parts are used for controlling the relative positions of the reaction control units and the nuclear fuel rods; and neutron absorbers are arranged on the control units. Through the adoption of reaction control units and control part, when the nuclear reaction needs to be decelerated, the reaction control units are arranged over against the nuclear fuel rods; and when the nuclear reaction needs to be accelerated, the reaction control units are staggered away from the nuclear fuel rods. The nuclear power device is simple in structure and low in cost.
Description
Technical field
The utility model relates to nuclear technology field, particularly a kind of nuclear power unit.
Background technology
Nuclear power is to utilize controlled nuclear reaction to obtain energy, thereby obtains power, heat and electric energy.The principle of utilizing nuclear reaction to obtain energy is: when fissioner (for example uranium-235) had been subjected under the artificial condition of controlling nuclear fission to take place, nuclear energy will be released with the form of heat.The user is under the controlled condition in order to make nuclear reaction when using nuclear energy, and the general more complicated of the structure of nuclear power unit, cost are relatively more expensive.
The utility model content
In order to solve prior art problems, the utility model embodiment provides a kind of nuclear power unit.Described technical scheme is as follows:
The utility model embodiment provides a kind of nuclear power unit, and described device comprises:
Nuclear reactor vessel, be located at several nuclear fuel rods for generation of nuclear heat in the described nuclear reactor vessel, be sheathed on the first outer housing of described nuclear reactor vessel, be located at several controllers between described first housing and the described nuclear reactor vessel, several described controllers are arranged at interval around described nuclear fuel rod, each described controller is provided with the reaction control part be used to the nuclear reaction speed of the described nuclear fuel rod that slows down, and the control assembly that is used for the relative position of the described reaction control part of control and described nuclear fuel rod, described reaction control part is provided with neutron absorber.
Particularly, described nuclear fuel rod comprises second housing, be located at described second housing shaft respectively to first heat insulation and second heat insulation at two ends, be located at the spring in described second housing and be used for taking place the fuel slug of nuclear reaction, and be sheathed on the outer defeated heat pipe of described second housing, one end of described spring and described second heat insulation offset, the other end of described spring is pressed against described fuel slug on described first heat insulation, and the external diameter of an end that offsets with described fuel slug of described first heat insulation is less than the internal diameter of described second housing, the external diameter of an end that offsets with described spring of described second heat insulation is less than the internal diameter of described second housing, and the external diameter of described fuel slug is less than the internal diameter of described second housing.
Particularly, described controller is column.
Particularly, described neutron absorber is the boron alloy neutron absorber.
Particularly, described control assembly is rotating shaft, and described rotating shaft is located at the end face of described controller or/and the center of bottom surface.
Preferably, described device also comprises moderator, and described moderator is filled between described nuclear fuel rod and the described reactor vessel.
Particularly, described moderator is graphite.
Preferably, described device also comprises the reflection horizon that covers on described first inner walls.
Particularly, described reflection horizon is oxidation tegillum or oxidation staggered floor.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
By controller is set, the nuclear reaction speed that is respectively equipped with on each controller for the control nuclear fuel rod is the control assembly of the relative position of reaction control part and control reaction control part and nuclear fuel rod, when needs control nuclear reaction speed, change the relative position of reaction control part and nuclear fuel rod by control assembly: in the time of need slowing down nuclear reaction speed, then will react control part and face nuclear fuel rod; Need fast reaction speed, then will react control part not facing to nuclear fuel rod, thereby controlled the nuclear reaction speed of nuclear fuel rod, this apparatus structure is simple, and cost is low.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of nuclear power unit of providing of the utility model embodiment;
Fig. 2 is the structural representation of the nuclear fuel rod that provides of the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
Embodiment
The utility model embodiment provides a kind of nuclear power unit, and referring to Fig. 1, this device comprises:
Particularly, referring to Fig. 2, in the present embodiment, nuclear fuel rod 2 can comprise second housing 21, be located at first heat insulation 22 and second heat insulation 23 at second housing, 21 axial two ends respectively, be located at the spring 24 in second housing 21 and be used for taking place the fuel slug 25 of nuclear reaction, and be sheathed on the outer defeated heat pipe 26 of second housing 21, one end of spring 24 and second heat insulation 23 offset, the other end of spring 24 is pressed against fuel slug 25 on first heat insulation 22, and the external diameter of an end that offsets with fuel slug 25 of first heat insulation 22 is less than the internal diameter of second housing 21, the external diameter of an end that offsets with spring 24 of second heat insulation 23 is less than the internal diameter of second housing 21, and the external diameter of fuel slug 25 is less than the internal diameter of second housing 21.
Particularly, in the present embodiment, controller 4 is column, and nuclear fuel rod 2 also can be column.
Particularly, in the present embodiment, neutron absorber can be the boron alloy neutron absorber.
Particularly, control assembly 42 is rotating shaft, and rotating shaft is located at the end face of controller 4 or/and the center of bottom surface.
Particularly, in the present embodiment, reaction control part 41 can be a face, it also can be sector region, when reaction control part 41 is a face, controller 4 is made by high temperature resistant composite, and neutron absorber is coated in high temperature resistant meeting on the material, and then this part that is coated with neutron absorber then is reaction control part 41; When reaction control part 41 was sector region, controller 4 was spliced by neutron absorber and the high temperature resistant material that meets.Particularly, when the reaction control part 41 of all controllers 4 faced nuclear fuel rod 2, nuclear reaction speed was the slowest; When the reaction control part 41 of all controllers 4 did not face toward nuclear fuel rod 2, nuclear reaction was fastest.
Preferably, this device also comprises moderator 5, and moderator 5 is filled between nuclear fuel rod 2 and the nuclear reactor vessel 1.Cross moderator 5 is set, the flying speed of fast neutron in the time of can reducing nuclear reaction makes nuclear fuel can carry out chain reaction better.
Particularly, in the present embodiment, moderator 5 can be graphite.In other embodiments, moderator can be heavy water or light-water.
Preferably, this device also comprises the reflection horizon 6 that covers on first housing, 3 inwalls.By reflection horizon 6 is set, can make when nuclear reaction, the neutron that leaks from nuclear reactor vessel 1 changes direction to be got back in the nuclear reactor vessel 1, has made things convenient for the control of nuclear reaction.
Particularly, reflection horizon 6 can be oxidation tegillum or oxidation staggered floor.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: by controller is set, the nuclear reaction speed that is respectively equipped with on each controller for the control nuclear fuel rod is the control assembly of the relative position of reaction control part and control reaction control part and nuclear fuel rod, when needs control nuclear reaction speed, change the relative position of reaction control part and nuclear fuel rod by control assembly: in the time of need slowing down nuclear reaction speed, then will react control part and face nuclear fuel rod; Need fast reaction speed, then will react control part not facing to nuclear fuel rod, thereby controlled the nuclear reaction speed of nuclear fuel rod, this apparatus structure is simple, and cost is low.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. nuclear power unit, it is characterized in that, described device comprises: nuclear reactor vessel, be located at several nuclear fuel rods for generation of nuclear heat in the described nuclear reactor vessel, be sheathed on the first outer housing of described nuclear reactor vessel, be located at several controllers between described first housing and the described nuclear reactor vessel, several described controllers are arranged at interval around described nuclear fuel rod, each described controller is provided with the reaction control part be used to the nuclear reaction speed of the described nuclear fuel rod that slows down, and the control assembly that is used for the relative position of the described reaction control part of control and described nuclear fuel rod, described reaction control part is provided with neutron absorber.
2. device according to claim 1, it is characterized in that, described nuclear fuel rod comprises second housing, be located at described second housing shaft respectively to first heat insulation and second heat insulation at two ends, be located at the spring in described second housing and be used for taking place the fuel slug of nuclear reaction, and be sheathed on the outer defeated heat pipe of described second housing, one end of described spring and described second heat insulation offset, the other end of described spring is pressed against described fuel slug on described first heat insulation, and the external diameter of an end that offsets with described fuel slug of described first heat insulation is less than the internal diameter of described second housing, the external diameter of an end that offsets with described spring of described second heat insulation is less than the internal diameter of described second housing, and the external diameter of described fuel slug is less than the internal diameter of described second housing.
3. device according to claim 1 is characterized in that, described controller is column.
4. device according to claim 1 is characterized in that, described neutron absorber is the boron alloy neutron absorber.
5. device according to claim 1 is characterized in that, described control assembly is rotating shaft, and described rotating shaft is located at the end face of described controller or/and the center of bottom surface.
6. device according to claim 1 is characterized in that, described device also comprises moderator, and described moderator is filled between described nuclear fuel rod and the described nuclear reactor vessel.
7. device according to claim 5 is characterized in that, described moderator is graphite.
8. device according to claim 1 is characterized in that, described device also comprises the reflection horizon that covers on described first inner walls.
9. device according to claim 8 is characterized in that, described reflection horizon is oxidation tegillum or oxidation staggered floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200632731U CN203118512U (en) | 2013-02-04 | 2013-02-04 | Nuclear power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200632731U CN203118512U (en) | 2013-02-04 | 2013-02-04 | Nuclear power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203118512U true CN203118512U (en) | 2013-08-07 |
Family
ID=48898835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200632731U Expired - Fee Related CN203118512U (en) | 2013-02-04 | 2013-02-04 | Nuclear power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203118512U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195333A (en) * | 2017-06-05 | 2017-09-22 | 中国工程物理研究院材料研究所 | Portable passive nuclear-power reactor |
| CN107945887A (en) * | 2017-11-16 | 2018-04-20 | 中国科学院上海应用物理研究所 | A kind of integrated small molten salt reactor |
| CN110349684A (en) * | 2019-07-15 | 2019-10-18 | 中国原子能科学研究院 | Reactive control device |
-
2013
- 2013-02-04 CN CN2013200632731U patent/CN203118512U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195333A (en) * | 2017-06-05 | 2017-09-22 | 中国工程物理研究院材料研究所 | Portable passive nuclear-power reactor |
| CN107195333B (en) * | 2017-06-05 | 2019-02-26 | 中国工程物理研究院材料研究所 | Portable passive nuclear-power reactor |
| CN107945887A (en) * | 2017-11-16 | 2018-04-20 | 中国科学院上海应用物理研究所 | A kind of integrated small molten salt reactor |
| CN107945887B (en) * | 2017-11-16 | 2019-10-01 | 中国科学院上海应用物理研究所 | A kind of integrated small molten salt reactor |
| CN110349684A (en) * | 2019-07-15 | 2019-10-18 | 中国原子能科学研究院 | Reactive control device |
| CN110349684B (en) * | 2019-07-15 | 2021-03-09 | 中国原子能科学研究院 | Reactivity control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20140204 |