CN208570134U - MNSR Reactor neutron therapy device and medical system - Google Patents
MNSR Reactor neutron therapy device and medical system Download PDFInfo
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- CN208570134U CN208570134U CN201721599137.9U CN201721599137U CN208570134U CN 208570134 U CN208570134 U CN 208570134U CN 201721599137 U CN201721599137 U CN 201721599137U CN 208570134 U CN208570134 U CN 208570134U
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Abstract
The utility model discloses a kind of horizontal neutron beam illuminating method, MNSR Reactor neutron therapy device and medical systems, it is related to the field of medical instrument technology, it can not be treated with to solve the existing miniature nuclear reactor for neutron radiating device in hospital and only have the technical issues of duct for irradiation treatment deep tumor positioned at the tumour of deep layer or a seat minitype nuclear reactor.MNSR Reactor neutron therapy device described in the utility model, comprising: for generating the neutron streaming MNSR Reactor of high epithermal neutron flux comprising: reactor center, and the side beryllium reflector and fuel slab that its surrounding is set successively are surrounded from the inside to the outside；By forming by the fuel rod of triangular lattice or the arrangement of equidistant concentric circumferences, fuel rod is made of zirconium cladding and the uranium dioxide core containing slightly enriched uranium for reactor center；The outside of the side beryllium ring of side beryllium reflector has multiple planes being uniformly thinned, and uniformly thinned planar outboard arranges the fuel slab containing slightly enriched uranium, and is equipped with water gap therebetween.
Description
Technical field
The utility model relates to the field of medical instrument technology, in particular to a kind of MNSR Reactor neutron therapy device and medical department
System.
Background technique
Existing neutron radiation therapy system be generated using proton precessional magnetometer irradiation target piece neutron as neutron source or
Using nuclear reactor as neutron source.From the center that neutron source projects, alignment patient's lesions position carries out radiotherapy.This germline
The defect of system are as follows: accelerator is usually linear accelerator, and occupied area is excessive, and only one outlet of accelerator, can only be corresponded to
In an inspection chamber or therapeutic room.
To solve drawbacks described above, in the prior art, have using miniature nuclear reactor as neutron source, there are two irradiation for tool
Duct, can be with the tumour of radiation treatment human body surface and shallow-layer, but the neutron flux of epithermal neutron is lower, can not treat and be located at
The tumour of deep layer；There are also be located at reactor core bottom the epithermal neutron beam with higher flux, tool there are three exposure hole,
The exposure hole of reactor core bottom epithermal neutron flux with higher can treat tumour of the depth to 7cm, however epithermal neutron
The raising of flux has had reached the limit, can not further increase, and uses such arrangement, and a seat minitype nuclear reactor only has one
A duct for irradiation treatment deep tumor.
Therefore, how a kind of MNSR Reactor neutron therapy device can be improved horizontal neutron beam irradiation flux, miniature is provided
The method of heap medical system and neutron beam of improving the standard irradiation flux, it has also become the skill of those skilled in the art's urgent need to resolve
Art problem.
Utility model content
One of the utility model is designed to provide a kind of MNSR Reactor neutron therapy device, MNSR Reactor medical system, with
Tumour or a seat minitype core positioned at deep layer can not be treated by solving the existing miniature nuclear reactor for neutron radiating device in hospital
Reactor only has the technical issues of duct for irradiation treatment deep tumor.
The utility model provides a kind of MNSR Reactor neutron therapy device, comprising: neutron streaming MNSR Reactor, the neutron streaming
MNSR Reactor is for generating high epithermal neutron flux；The neutron streaming MNSR Reactor includes: reactor center, and from the inside to the outside
Successively surround the side beryllium reflector and fuel slab that reactor center surrounding is set；The reactor center is by pressing three
Angular grid or the fuel rod composition of equidistant concentric circumferences arrangement, the fuel rod is by zirconium cladding and contains the titanium dioxide of slightly enriched uranium
Uranium core is constituted；The outside of the side beryllium ring of the side beryllium reflector has multiple uniformly thinned planes, described uniformly thinned
Planar outboard arranges the fuel slab containing slightly enriched uranium, and water is equipped between the plane being uniformly thinned and the fuel slab
Gap.
When practical application, the degree of enrichment of the slightly enriched uranium is less than 20%.
Wherein, the core of the fuel slab includes U-Al alloy.
Alternatively, the core of the fuel slab includes uranium dioxide ceramics.
Specifically, the involucrum of the fuel slab includes uranium zircaloy.
Alternatively, the involucrum of the fuel slab includes aluminium alloy.
Further, there are four the fuel slab includes, and four fuel slabs are along the circle of the reactor center
Circumferential direction is uniformly distributed.
Further, the MNSR Reactor neutron therapy device further include: aluminum cylinder, it is the reactor center, described
Side beryllium reflector and the fuel slab are arranged at the inside of the aluminum cylinder.
Compared with the existing technology, MNSR Reactor neutron therapy device described in the utility model has the advantage that
In MNSR Reactor neutron therapy device provided by the utility model, comprising: neutron streaming MNSR Reactor, the neutron streaming are micro-
Type heap is for generating high epithermal neutron flux；Wherein, neutron streaming MNSR Reactor includes: reactor center, and from the inside to the outside
Successively surround the side beryllium reflector and fuel slab that reactor center surrounding is set；Specifically, reactor center is by pressing three
Angular grid or the fuel rod composition of equidistant concentric circumferences arrangement, fuel rod is by zirconium cladding and the uranium dioxide core containing slightly enriched uranium
Body is constituted；Further, the outside of the side beryllium ring of side beryllium reflector has multiple planes being uniformly thinned, uniformly thinned plane
The fuel slab containing slightly enriched uranium is arranged in outside, and is equipped with water gap between uniformly thinned plane and fuel slab.From this analysis,
In MNSR Reactor neutron therapy device provided by the utility model, since the antineutron trap of reactor core is arranged, the fuel slab of reactor core periphery
The neutron flux higher than reactor core is generated, namely takes full advantage of antineutron trap to generate the high epithermal neutron for radiation treatment
The neutron streaming of flux, so that the epithermal neutron in irradiation channel can be effectively improved under conditions of not improving core power
Flux, and then effectively solve the existing miniature nuclear reactor for neutron radiating device in hospital and can not treat positioned at the swollen of deep layer
Tumor or a seat minitype nuclear reactor only have the technical issues of duct for irradiation treatment deep tumor.
The utility model also provides a kind of MNSR Reactor medical system, comprising: miniature pile neutron as described in any one of the above embodiments
Therapeutic device.
The MNSR Reactor medical system and above-mentioned MNSR Reactor neutron therapy device compared with the existing technology possessed by advantage
Identical, details are not described herein.
Another a kind of method for being designed to provide neutron beam irradiation flux of improving the standard of the utility model, to solve
The existing miniature nuclear reactor for neutron radiating device in hospital can not treat the tumour or a seat minitype nuclear reaction positioned at deep layer
Heap only has the technical issues of duct for irradiation treatment deep tumor.
The utility model provides a kind of horizontal neutron beam illuminating method, includes the following steps: the side beryllium of side beryllium reflector
Plane is thinned into the outside of ring；In the thinned planar outboard fuel arranged plate.
Compared with the existing technology, horizontal neutron beam illuminating method described in the utility model has the advantage that
In horizontal neutron beam illuminating method provided by the utility model, include the following steps: the side beryllium of side beryllium reflector
Plane is thinned into the outside of ring；In thinned planar outboard fuel arranged plate.From this analysis, water provided by the utility model
In flat neutron beam illuminating method, since the antineutron trap of reactor core is arranged, the fuel slab of reactor core periphery generates the neutron higher than reactor core
Flux, namely take full advantage of antineutron trap to generate the neutron streaming of the high epithermal neutron flux for radiation treatment, from
And under conditions of not improving core power, the epithermal neutron flux in irradiation channel can be effectively improved, and then effectively solve
The existing miniature nuclear reactor for neutron radiating device in hospital can not treat the tumour or a seat minitype nuclear reaction positioned at deep layer
Heap only has the technical issues of duct for irradiation treatment deep tumor.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is a kind of structural schematic diagram of MNSR Reactor neutron therapy device provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another MNSR Reactor neutron therapy device provided by the embodiment of the utility model；
Fig. 3 is a kind of flow diagram of horizontal neutron beam illuminating method provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of another MNSR Reactor neutron therapy device provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of another MNSR Reactor neutron therapy device provided by the embodiment of the utility model；
Fig. 6 is the flow diagram of the horizontal neutron beam illuminating method of another kind provided by the embodiment of the utility model.
In figure: 1- reactor center；The side 2- beryllium reflector；3- fuel slab；The plane that 21- is uniformly thinned；4- water
Gap；5- aluminum cylinder；30- fuel slab area.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is a kind of structural schematic diagram of MNSR Reactor neutron therapy device provided by the embodiment of the utility model.
As shown in Figure 1, the utility model embodiment provides a kind of MNSR Reactor neutron therapy device, comprising: neutron streaming is micro-
Type heap, neutron streaming MNSR Reactor is for generating high epithermal neutron flux；Neutron streaming MNSR Reactor includes: reactor center 1, with
And the side beryllium reflector 2 and fuel slab 3 that 1 surrounding of reactor center is set successively are surrounded from the inside to the outside；Reactor center 1
By forming by the fuel rod of triangular lattice or the arrangement of equidistant concentric circumferences, fuel rod is by zirconium cladding and contains the dioxy of slightly enriched uranium
Change uranium core to constitute；The outside of the side beryllium ring of side beryllium reflector 2 has multiple planes 21 being uniformly thinned, uniformly thinned plane
The fuel slab 3 containing slightly enriched uranium is arranged in 21 outsides, and is equipped with water gap 4 between uniformly thinned plane 21 and fuel slab 3.
Compared with the existing technology, MNSR Reactor neutron therapy device described in the utility model embodiment has the advantage that
In MNSR Reactor neutron therapy device provided by the embodiment of the utility model, as shown in Figure 1, comprising: neutron streaming is micro-
Type heap, the neutron streaming MNSR Reactor is for generating high epithermal neutron flux；Wherein, neutron streaming MNSR Reactor includes: in reactor
Heart district 1, and the side beryllium reflector 2 and fuel slab 3 that 1 surrounding of reactor center is set successively are surrounded from the inside to the outside；Specifically
Ground, reactor center 1 by being formed by the fuel rod of triangular lattice or the arrangement of equidistant concentric circumferences, fuel rod by zirconium cladding and
Uranium dioxide core containing slightly enriched uranium is constituted；Further, the outside of the side beryllium ring of side beryllium reflector 2 uniformly subtracts with multiple
Thin plane 21 uniformly arranges the fuel slab 3 containing slightly enriched uranium on the outside of thinned plane 21, and uniformly thinned plane 21 and combustion
Water gap 4 is equipped between flitch 3.From this analysis, in MNSR Reactor neutron therapy device provided by the embodiment of the utility model, by
It is arranged in the antineutron trap of reactor core, the fuel slab of reactor core periphery generates the neutron flux higher than reactor core, namely takes full advantage of anti-
Neutron sink generates the neutron streaming of the high epithermal neutron flux for radiation treatment, thus in the item for not improving core power
Under part, the epithermal neutron flux in irradiation channel can be effectively improved, and then is effectively solved existing for hospital's neutron exposure
The miniature nuclear reactor of device, which can not be treated, only has one for irradiation treatment positioned at the tumour of deep layer or a seat minitype nuclear reactor
The technical issues of duct of deep tumor.
When practical application, the degree of enrichment of above-mentioned slightly enriched uranium is less than 20%.Namely fuel rod by zirconium cladding and contains degree of enrichment
The uranium dioxide core of slightly enriched uranium less than 20% is constituted；Also, uniformly arrangement is small containing degree of enrichment on the outside of thinned plane 21
In the fuel slab 3 of 20% slightly enriched uranium.
Wherein, the core of above-mentioned fuel slab 3 may include U-Al alloy；Or, the core of fuel slab 3 may include titanium dioxide
Uranium ceramics.
Specifically, the involucrum of above-mentioned fuel slab 3 may include uranium zircaloy；Or, the involucrum of fuel slab 3 may include that aluminium closes
Gold.
Further, for reasonable layout, as shown in Figure 1, there are four above-mentioned fuel slab 3 may include, and four fuel
Circumferencial direction of the plate 3 along reactor center 1 is uniformly distributed.
Fig. 2 is the structural schematic diagram of another MNSR Reactor neutron therapy device provided by the embodiment of the utility model.
Further, as shown in Fig. 2, MNSR Reactor neutron therapy device provided by the embodiment of the utility model can also wrap
Include: aluminum cylinder 5, reactor center 1, side beryllium reflector 2 and fuel slab 3 are arranged at the inside of the aluminum cylinder 5.
The utility model embodiment also provides a kind of MNSR Reactor medical system, comprising: as described in any one of the above embodiments miniature
Pile neutron therapeutic device.
Fig. 3 is a kind of flow diagram of horizontal neutron beam illuminating method provided by the embodiment of the utility model.
The utility model embodiment provides a kind of horizontal neutron beam illuminating method again, as shown in connection with fig. 3 such as Fig. 1, including such as
Lower step: plane step S1, is thinned into the outside of the side beryllium ring of side beryllium reflector 2；Step S2, in thinned planar outboard cloth
Set fuel slab 3.
Compared with the existing technology, horizontal neutron beam illuminating method described in the utility model embodiment has the advantage that
As shown in connection with fig. 3 such as Fig. 1, in horizontal neutron beam illuminating method provided by the embodiment of the utility model, including it is as follows
Step: plane step S1, is thinned into the outside of the side beryllium ring of side beryllium reflector 2；Step S2, it is arranged in thinned planar outboard
Fuel slab 3.It is anti-due to reactor core from this analysis, in horizontal neutron beam illuminating method provided by the embodiment of the utility model
The fuel slab of neutron sink arrangement, reactor core periphery generates the neutron flux higher than reactor core, namely takes full advantage of antineutron trap to produce
The neutron streaming of the raw high epithermal neutron flux for radiation treatment, thus under conditions of not improving core power, it can
The epithermal neutron flux in irradiation channel is effectively improved, and then effectively solves the existing Micro Core for neutron radiating device in hospital
Reactor, which can not be treated, only has one for irradiation treatment deep tumor positioned at the tumour of deep layer or a seat minitype nuclear reactor
The technical issues of duct.
Fig. 4 is the structural schematic diagram of another MNSR Reactor neutron therapy device provided by the embodiment of the utility model.
As shown in figure 4, the utility model embodiment provides a kind of MNSR Reactor neutron therapy device again, comprising: neutron streaming
MNSR Reactor, neutron streaming MNSR Reactor is for generating high epithermal neutron flux；Neutron streaming MNSR Reactor includes: reactor center 1,
And surround the fuel slab area 30 that 1 surrounding of reactor center is set；Reactor center 1 is by pressing triangular lattice or equidistant
The fuel rod composition of concentric circumferences arrangement, fuel rod are made of zirconium cladding and the uranium dioxide core containing slightly enriched uranium；Fuel slab
Area 30 is made of the multiple fuel slabs 3 containing slightly enriched uranium arranged by regular polygon, and forms closed or open ring structure.
Compared with the existing technology, MNSR Reactor neutron therapy device described in the utility model embodiment has the advantage that
In MNSR Reactor neutron therapy device provided by the embodiment of the utility model, as shown in Figure 4, comprising: neutron streaming is micro-
Type heap, the neutron streaming MNSR Reactor is for generating high epithermal neutron flux；Wherein, neutron streaming MNSR Reactor includes: in reactor
Heart district 1, and surround the fuel slab area 30 that 1 surrounding of reactor center is set；Specifically, reactor center 1 is by pressing three
Angular grid or the fuel rod composition of equidistant concentric circumferences arrangement, fuel rod is by zirconium cladding and the uranium dioxide core containing slightly enriched uranium
Body is constituted；Further, fuel slab area 30 is made of the multiple fuel slabs 3 containing slightly enriched uranium arranged by regular polygon, and shape
At closed or open ring structure.From this analysis, MNSR Reactor neutron therapy device provided by the embodiment of the utility model
In, since the antineutron trap of reactor core is arranged, the fuel slab of reactor core periphery generates the neutron flux higher than reactor core, namely makes full use of
Antineutron trap generates the neutron streaming of high epithermal neutron flux for radiation treatment, thus not improving core power
Under conditions of, the epithermal neutron flux in irradiation channel can be effectively improved, and then effectively solve existing for hospital's neutron
The miniature nuclear reactor of illuminator, which can not be treated, only has one for irradiating positioned at the tumour of deep layer or a seat minitype nuclear reactor
The technical issues for the treatment of the duct of deep tumor.
When practical application, the degree of enrichment of above-mentioned slightly enriched uranium is less than 20%.Namely fuel rod by zirconium cladding and contains degree of enrichment
The uranium dioxide core of slightly enriched uranium less than 20% is constituted；Also, fuel slab area 30 by it is multiple containing degree of enrichment less than 20%
The fuel slab 3 of slightly enriched uranium is constituted.
Wherein, the core of above-mentioned fuel slab 3 may include U-Al alloy；Or, the core of fuel slab 3 may include titanium dioxide
Uranium ceramics.
Specifically, the involucrum of above-mentioned fuel slab 3 may include uranium zircaloy；Or, the involucrum of fuel slab 3 may include that aluminium closes
Gold.
Further, for reasonable layout, as shown in figure 4, multiple fuel slabs 3 in above-mentioned fuel slab area 30 may include having
Eight, and eight fuel slabs 3 along reactor center 1 circumferencial direction at closed ring set.
Fig. 5 is the structural schematic diagram of another MNSR Reactor neutron therapy device provided by the embodiment of the utility model.
Further, as shown in figure 5, MNSR Reactor neutron therapy device provided by the embodiment of the utility model can also wrap
Include: aluminum cylinder 5, reactor center 1 and fuel slab area 30 are arranged at the inside of the aluminum cylinder 5.
The utility model embodiment also provides a kind of MNSR Reactor medical system, comprising: as described in any one of the above embodiments miniature
Pile neutron therapeutic device.
Fig. 6 is the flow diagram of the horizontal neutron beam illuminating method of another kind provided by the embodiment of the utility model.
The utility model embodiment provides a kind of horizontal neutron beam illuminating method again, as shown in connection with fig. 6 such as Fig. 4, including such as
Lower step: step S10, cancel side beryllium ring, and surround in the outside of reactor center 1 with regular polygon and arrange multiple fuel slabs
3。
Compared with the existing technology, horizontal neutron beam illuminating method described in the utility model embodiment has the advantage that
As shown in connection with fig. 6 such as Fig. 4, in horizontal neutron beam illuminating method provided by the embodiment of the utility model, including it is as follows
Step: step S10, cancel side beryllium ring, and surround in the outside of reactor center 1 with regular polygon and arrange multiple fuel slabs 3.
From this analysis, in horizontal neutron beam illuminating method provided by the embodiment of the utility model, due to the antineutron trap cloth of reactor core
It sets, the fuel slab of reactor core periphery generates the neutron flux higher than reactor core, namely takes full advantage of antineutron trap to generate for spoke
According to the neutron streaming of the high epithermal neutron flux for the treatment of, to can be effectively improved under conditions of not improving core power
Epithermal neutron flux in irradiation channel, so effectively solve the existing miniature nuclear reactor for neutron radiating device in hospital without
Method treatment is located at the tumour of deep layer or a seat minitype nuclear reactor only has the skill for being used for the duct of irradiation treatment deep tumor
Art problem.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of MNSR Reactor neutron therapy device characterized by comprising neutron streaming MNSR Reactor, the neutron streaming are miniature
Heap is for generating high epithermal neutron flux；The neutron streaming MNSR Reactor includes: reactor center, and from the inside to the outside successively
Surround the side beryllium reflector and fuel slab that reactor center surrounding is set；
The reactor center by by triangular lattice or equidistant concentric circumferences arrangement fuel rod form, the fuel rod by
Zirconium cladding and uranium dioxide core are constituted；
The outside of the side beryllium ring of the side beryllium reflector has multiple planes being uniformly thinned, the planar outboard being uniformly thinned
It arranges the fuel slab, and is equipped with water gap between the plane being uniformly thinned and the fuel slab.
2. MNSR Reactor neutron therapy device according to claim 1, which is characterized in that the core of the fuel slab includes uranium
Aluminium alloy.
3. MNSR Reactor neutron therapy device according to claim 1, which is characterized in that the core of the fuel slab includes two
Uranium oxide ceramics.
4. MNSR Reactor neutron therapy device according to claim 1, which is characterized in that the involucrum of the fuel slab includes uranium
Zircaloy.
5. MNSR Reactor neutron therapy device according to claim 1, which is characterized in that the involucrum of the fuel slab includes aluminium
Alloy.
6. MNSR Reactor neutron therapy device according to claim 1, which is characterized in that there are four the fuel slab includes,
And circumferencial direction of four fuel slabs along the reactor center is uniformly distributed.
7. MNSR Reactor neutron therapy device according to claim 1 or 6, which is characterized in that further include: aluminum cylinder, it is described
Reactor center, the side beryllium reflector and the fuel slab are arranged at the inside of the aluminum cylinder.
8. a kind of MNSR Reactor medical system characterized by comprising such as above-mentioned of any of claims 1-7 miniature
Pile neutron therapeutic device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721599137.9U CN208570134U (en) | 2017-11-24 | 2017-11-24 | MNSR Reactor neutron therapy device and medical system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721599137.9U CN208570134U (en) | 2017-11-24 | 2017-11-24 | MNSR Reactor neutron therapy device and medical system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799195A (en) * | 2017-11-24 | 2018-03-13 | 北京新核医疗科技有限公司 | Horizontal neutron beam illuminating method, MNSR Reactor neutron therapy device and medical system |
-
2017
- 2017-11-24 CN CN201721599137.9U patent/CN208570134U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799195A (en) * | 2017-11-24 | 2018-03-13 | 北京新核医疗科技有限公司 | Horizontal neutron beam illuminating method, MNSR Reactor neutron therapy device and medical system |
| CN107799195B (en) * | 2017-11-24 | 2024-01-09 | 北京新核核工程科技有限公司 | Horizontal neutron beam irradiation method, micro-reactor neutron treatment device and medical system |
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Address after: 101400 3rd floor, 13 Yanqi street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Beijing Xinhe Nuclear Engineering Technology Co.,Ltd. Address before: 1119-211, 11th Floor, No. 18 Zhongguancun Street, Haidian District, Beijing, 100000 Patentee before: BEIJING XINHE MEDICAL TECHNOLOGY CO.,LTD. |