Thermal neutron source专利检索-热中子中子化学元素和化合物专利检索查询-专利查询网

Thermal neutron source

阅读：828发布：2021-06-13

专利汇可以提供Thermal neutron source专利检索，专利查询，专利分析的服务。并且A temperature-controlled thermal neutron source for modifying the energy of neutrons supplied by a nuclear reactor core. A block of neutron-moderating material enclosed in a leaktight casing is placed within the reactor. The block casing forms an extension of a reactor shield plug which closes an access hole and is connected to an external vacuum pump via a passageway through the shield plug. The passageway serves as a guide for high-frequency waves which are transmitted from the exterior to the neutron-moderating block. The temperature of the block can thus be varied, thereby permitting a correlative variation in the energy of neutrons which traverse the block.，下面是Thermal neutron source专利的具体信息内容。

权利要求

1. A thermal neutron source having a controllable temperature, characterized in that it comprises a block of neutron-moderating material which is placed within the interior of a reactor in proximity to the biological shield of said reactor in front of a plug which seals off an access hole through said shield, a vacuumtight casing surrounding said block and forming an extension of the plug within the interior of the reactor, a guide comprising a portion which passes axially through the plug and terminates within the casing and a wave emitter located outside the reactor shield in order to deliver waves through the interior of said guide in the direction of said neutron-moderating block.

2. A neutron source in accordance with claim 1, characterized in that the emitter is a centimeter-wave emitter constituted by an industrial heating magnetron which supplies an adjustable high-frequency power.

3. A neutron source is accordance with claim 1, characterized in that the emitter is a microwave emitter constituted by a laser rod.

4. A neutron source in accordance with claim 1, characterized in that the emitter is constituted by an arc furnace associated with a parabolic mirror which reflects in the direction of the neutron-moderating block.

5. A neutron source in accordance with claim 1, characterized in that the guide is closed at the end remote from the vacuumtight casing and is connected to an installation for producing a vacuum.

6. A neutron source in accordance with claim 1, characterized in that the guide is associated at the end which opens into the vacuumtight casing with an adapter which provides a transition with said casing.

7. A neutron source in accordance with claim 1, characterized in that the neutron-moderating block is placed against the base of the vacuumtight casing and is surrounded laterally by a layer of heat-insulating material.

8. A neutron source in accordance with claim 1, characterized in that the guide is mounted within a protective support structure provided with a neutron exit passage forming an extension of that portion of the guide which traverses the shield plug.

说明书全文

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