阅读说明：本技术 一种穿透型中子靶 (Penetration type neutron target ) 是由 钱铁威 于 2020-07-02 设计创作，主要内容包括：本发明提出了一种穿透型中子靶,包括从左至右依次设置的第一靶层、第二靶层、第三靶层,第一靶层、第二靶层、第三靶层三者固定连接,所述的第一靶层由铍制成,所述的第二靶层由铌或钒或钯或铂制成,所述的第三靶层由铜或铝制成,所述的第三靶层内设有冷却水路,所述的第三靶层上设有与冷却水路的两端分别连通的进液口和出液口,所述的冷却水路内通入冷却水。(The invention provides a penetrating neutron target which comprises a first target layer, a second target layer and a third target layer which are sequentially arranged from left to right, wherein the first target layer, the second target layer and the third target layer are fixedly connected, the first target layer is made of beryllium, the second target layer is made of niobium or vanadium or palladium or platinum, the third target layer is made of copper or aluminum, a cooling water path is arranged in the third target layer, a liquid inlet and a liquid outlet which are respectively communicated with two ends of the cooling water path are arranged on the third target layer, and cooling water is introduced into the cooling water path.)

1. A penetration type neutron target, characterized in that: the device comprises a first target layer, a second target layer and a third target layer which are sequentially arranged from left to right, wherein the first target layer, the second target layer and the third target layer are fixedly connected, the first target layer is made of beryllium, the second target layer is made of niobium, vanadium, palladium or platinum, the third target layer is made of copper or aluminum, a cooling water path is arranged in the third target layer, a liquid inlet and a liquid outlet which are respectively communicated with two ends of the cooling water path are arranged on the third target layer, and cooling water is introduced into the cooling water path.

2. The penetrating neutron target of claim 1, wherein: the target layer comprises a first target layer, a second target layer and a third target layer, wherein the first target layer, the second target layer and the third target layer are fixedly arranged in the fixing flange.

3. The penetrating neutron target of claim 2, wherein: the third target layer is internally hollow to form a cooling water path.

4. The penetrating neutron target of claim 2, wherein: and a protective layer is arranged on the outer side wall of the fixed flange.

5. The penetrating neutron target of claim 4, wherein: the protective layer is made of a material capable of shielding or slowing down neutrons.

6. The penetrating neutron target of claim 2, wherein: and the first target layer, the second target layer and the third target layer are respectively welded and fixed on the fixing flange.

7. The penetrating neutron target of claim 2, wherein: the first target layer, the second target layer and the third target layer are fixed with the fixing flange through screws.

8. The penetrating neutron target of claim 2, wherein: the left side of third target layer on be equipped with the mounting groove, first target layer, second target layer respectively the adaptation set up the mounting groove in, the third target layer form the cooling water route for inside cavity setting.

9. The penetrating neutron target of claim 2, wherein: the first target layer, the second target layer and the third target layer are mutually closely attached together.

Technical Field

The invention relates to a penetration type neutron target.

Background

The traditional neutron generating target is of a single-body structure, and the material of the neutron generating target is singly fixed. And the target emits a large amount of heat in use, the target needs to be provided with a cooling system for cooling.

Disclosure of Invention

In view of the problems identified in the background, the present invention provides a combined penetrating neutron target.

The technical scheme of the invention is realized as follows:

the utility model provides a penetrating type neutron target, includes first target layer, second target layer, the third target layer that sets gradually from a left side to the right side, first target layer, second target layer, third target layer three fixed connection, first target layer make by beryllium, the second target layer make by niobium or vanadium or palladium or platinum, the third target layer make by copper or aluminium system, the third target in situ be equipped with the cooling water route, the third target layer on be equipped with inlet and the liquid outlet that communicates respectively with the both ends in cooling water route, the cooling water route in let in the cooling water.

The invention is further provided that the invention further comprises a fixing flange, and the first target layer, the second target layer and the third target layer are fixedly arranged in the fixing flange.

The invention is further provided that the third target layer is hollow inside to form a cooling water path.

The invention is further provided that a protective layer is arranged on the outer side wall of the fixed flange.

The invention is further configured such that the protective layer is made of a material that shields or moderates neutrons.

The invention is further provided that the first target layer, the second target layer and the third target layer are respectively welded and fixed on the fixing flange.

The invention is further provided that the first target layer, the second target layer and the third target layer are fixed with the fixing flange through screws.

The invention is further provided that a mounting groove is arranged on the left side surface of the third target layer, the first target layer and the second target layer are respectively arranged in the mounting groove in a matching way, and the third target layer is hollow inside to form a cooling water channel.

The invention is further configured such that the first target layer, the second target layer, and the third target layer are in close proximity to one another.

By adopting the technical scheme, the invention has the beneficial effects that:

the penetration type neutron target provided by the invention is designed in such a way that the target is a three-layer thin disk, and the beryllium in the first layer is easy to break due to hydrogen embrittlement. Protons penetrate directly through the first layer of beryllium target, being blocked by the material of the second layer, which is a material that also absorbs hydrogen. The second and third layers can be regarded as moderator, and the third layer plays roles of moderating, absorbing and cooling.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a first schematic structural view of a target of the present invention;

FIG. 4 is a second schematic structural view of a target of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention is described below with reference to fig. 1-4:

a penetration type neutron target comprises a first target layer 1, a second target layer 2 and a third target layer 3 which are sequentially arranged from left to right, wherein the first target layer 1, the second target layer 2 and the third target layer 3 are fixedly connected.

The first target layer 1 is made of beryllium (Be), the second target layer 2 is made of niobium (Nb) or vanadium (V) or palladium (Pd) or platinum (Pt), and the third target layer 3 is made of copper or aluminum.

And a cooling water channel 4 is arranged in the third target layer 3, a liquid inlet 5 and a liquid outlet 6 which are respectively communicated with two ends of the cooling water channel 4 are arranged on the third target layer 3, and cooling water is introduced into the cooling water channel 4.

Wherein, still include mounting flange 7, first target layer 1, second target layer 2, third target layer 3 fixed setting are in mounting flange 7.

Wherein, the third target layer 3 is hollow inside to form a cooling water channel 4.

Wherein, the outer side wall of the fixed flange 7 is provided with a protective layer 8.

Wherein, the protective layer 8 is made of a material capable of shielding or slowing down neutrons.

The first target layer 1, the second target layer 2 and the third target layer 3 are respectively welded and fixed on a fixing flange 7.

The first target layer 1, the second target layer 2 and the third target layer 3 are fixed with a fixing flange 7 through screws.

Wherein, the left side of third target layer 3 on be equipped with mounting groove 9, first target layer 1, second target layer 2 adaptation setting respectively be in mounting groove 9 in, third target layer 3 set up for inside cavity and form cooling water route 4, cooling water route 4 encircles first target layer 1, the setting of second target layer 2, third target layer 3 and mounting flange 7 welded fastening.

Wherein, the first target layer 1, the second target layer 2 and the third target layer 3 are closely adhered together.

By adopting the technical scheme, the invention has the beneficial effects that:

the penetration type neutron target provided by the invention is designed in such a way that the target is a three-layer thin disk, and the beryllium in the first layer is easy to break due to hydrogen embrittlement. Protons penetrate directly through the first layer of beryllium target, being blocked by the material of the second layer, which is a material that also absorbs hydrogen. The second and third layers can be regarded as moderator, and the third layer plays roles of moderating, absorbing and cooling.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.