Sample injector for in-pile irradiation sample

Abstract

The invention discloses a sample injector for an in-pile irradiation sample, wherein the sample injector includes a rack, a motor, a sample carrying table, a sleeve mechanism, a sample transmission device and a gas transmission device. The motor is fixed in the rack; the sample carrying table is horizontally arranged on the rack; the sleeve mechanism is vertically arranged at the rack side; the sample transmission device and the gas transmission device are vertically correspondingly arranged above and below the sample carrying table respectively; the sample carrying table and the rack are in sliding connection; the sleeve mechanism is fixedly connected with the rack; the sample transmission device and the gas transmission device are fixedly connected with the sleeve mechanism; a shaft of the motor passes through the top of the rack and the sample carrying table and is fixedly connected with the sample carrying table. The sample injector for the in-pile irradiation sample is used as oneof important and key parts of a neutron activated sample transmission system, has the characteristics of compact structure, accurate rotational positioning of the sample carrying table, high efficiency of sample transmission, and good running stability and safety.

Description

technical field [0001] The invention belongs to the technical fields of neutron activation sample transmission technology and radioactive isotope preparation, and in particular relates to a sample injector for irradiating samples into a pile. Background technique [0002] Neutron activation analysis is a relatively efficient and sensitive method for the analysis and determination of trace elements widely used in scientific research fields such as life sciences, environmental science, geology, materials science, and archaeology. Isonuclear analysis instruments perform qualitative and quantitative analysis of specified nuclides in samples. For activated samples containing long-lived nuclides, like most targets used for radioisotope production, the irradiated sample box can be manually removed from the reactor irradiation pipeline, put into a lead tank and transferred to a designated place Sample processing or measurement is carried out, but this type of irradiation generally ...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the low degree of automation existing in the sampling device in the prior art, the on-site operation of the staff is subject to high vibration and noise hazards and high labor intensity during the operation of the sampler, and it is difficult to meet the requirements of the highly automated sample transfer device for large batches. Insufficient requirements for multiple types of samples, various irradiation conditions, and especially the automatic, fast, and accurate on-line irradiation and measurement of second-order short-lived nuclides, the present invention provides a method for irradiating samples into a stack Sampler

Images