Storage Device for Reactor Neutron Activation Samples

A technology of reactors and neutrons, applied in radiation measurement, instruments, etc., can solve problems such as radioactive pollution, sample leakage, equipment damage, etc., achieve the effect of slight vibration and noise, good stability and safety, and improve the degree of automation

Active Publication Date: 2019-06-28
INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the high-speed transmission of the sample box in the pipeline in the prior art, there is collision deformation (or even broken), which will cause sample leakage to affect the measurement results, cause radioactive pollution and equipment damage risks, and the irradiated sample box can only be irradiated. Insufficiency of the one-way transmission function from the reactor to the sample receiver, the invention provides a storage device for reactor neutron activation samples

Method used

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  • Storage Device for Reactor Neutron Activation Samples
  • Storage Device for Reactor Neutron Activation Samples
  • Storage Device for Reactor Neutron Activation Samples

Examples

Experimental program
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Effect test

Embodiment 1

[0033] figure 1 It is a block diagram of the overall structure layout of the storage device for reactor neutron activation samples of the present invention, figure 2 It is a structural schematic diagram of the storage device in the present invention, image 3 It is a schematic diagram of the top view structure of the bracket in the present invention, Figure 4 It is a schematic diagram of the cross-sectional structure of the sleeve mechanism in the present invention, Figure 5 It is a structural schematic diagram of the speed reducer in the present invention, Figure 6 for Figure 5 A-A sectional view in . exist Figure 1~Figure 6 Among them, the reactor neutron activation sample storage device of the present invention includes a controller 1, a storage device 2, a speed reducer 3, and a shielding box 4. The connection relationship is that the controller 1 is arranged on the side of the shielding box 4 , the storage device 2 is fixedly arranged in the shielding box 4, t...

Embodiment 2

[0048] The structure of this embodiment is the same as that of Embodiment 1, the difference is that a group of spring mechanisms are arranged on the deceleration tube 2 ; twenty sample loading chambers are arranged on the bracket 11 .

Embodiment 3

[0050] The structure of this embodiment is the same as that of Embodiment 1. The difference is that three groups of spring mechanisms arranged up and down are arranged on the deceleration tube 2, and the sliders in the three groups of spring mechanisms are fixedly connected in turn by wire ropes.

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Abstract

The invention discloses a storage device of reactor-neutron activation samples. The storage device comprises a controller, a storer, a speed reducer and a shielding box, wherein the controller is arranged at the shielding box side, the storer is fixedly arranged in the shielding box, the speed reducer and the shielding box are fixedly arranged from top to bottom, the speed reducer is connected with the storer by a sample delivering pipe which is vertically arranged, and the controller is respectively and electrically connected with the storer and the speed reducer. As one of important and keyparts of a conveying system of the reactor-neutron activation samples, the storage device of reactor-neutron activation samples disclosed by the invention can realize effective speed reduction for sample boxes with fast movement, has the characteristics of compact structure, accurate rotational positioning of a bracket, ideal speed-reducing effect of the sample boxes and high sample-conveying efficiency, has a function of conveying the sample boxes into an irradiator for irradiation again, is applicable to automatic reception and storage of large-batch irradiation samples, and is good in stability and safety of operation.

Description

technical field [0001] The invention belongs to the field of reactor neutron activation sample transmission technology and radioisotope preparation technology, and in particular relates to a storage device for reactor neutron activation samples. Background technique [0002] Using the thermal neutron activation of the reactor and using nuclear analysis instruments such as gamma spectrometers to conduct qualitative and quantitative analysis of the specified nuclides in the sample is a relatively efficient and sensitive analysis method for the determination of trace elements in the sample, which is commonly known as neutron activation analysis. According to the irradiation conditions and measurement requirements of the sample, you can choose to use the offline and online sample irradiation and related processing operation modes, that is, when the sample needs to be irradiated for a long time and the nuclide to be detected in the sample has a medium and long half-life, the offli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01T7/02G01T7/10
CPCG01T7/02G01T7/10
Inventor 刘国平陈静徐存礼牟婉君陈琪萍胡睿刘业兵魏洪源李兴亮王定林
Owner INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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