Water-cooling loop of high frequency cavity for small medical circular accelerator

Abstract

The invention relates to a part of a circular accelerator. In order to solve the problems caused by thermal deformation of a high frequency cavity for the current small medical circular accelerator, improve the stability and lower the cost, the invention provides a water-cooling loop of the high frequency cavity for the small medical circular accelerator. The water-cooling loop comprises an upper D plate water-cooling loop, a lower D plate water-cooling loop, a high frequency inner rod water-cooling loop and water-cooling loops on both sides of the high frequency cavity and on the bottom surface of the high frequency cavity. Water-cooling tubes are buried in upper and lower D plates and pass through the central hole of the lower D plate, the central hole of the high frequency inner rod and a main magnet reserved hole to lead out the accelerator. A spiral cooling tank is processed inside the high frequency inner rod. Cooling plates buried with the water-cooling tubes are installed on both sides and on the bottom surface of the high frequency cavity. The water-cooling loop provided by the invention solves the problem that the local region of the high frequency cavity of the small medical circular accelerator in the working process is overhigh, the thermal deformation is remarkably reduced, the stability of the high frequency cavity is improved, and the water-cooling loop is reliable in work, convenient to use and lower in cost.

Description

technical field [0001] The invention relates to a component of a cyclotron, in particular to a water-cooling circuit of a high-frequency cavity of a small medical cyclotron. Background technique [0002] During the working process of a small medical cyclotron, the current density in the local area of ​​the high-frequency cavity is very high, and because the high-frequency cavity is in a vacuum environment, the heat dissipation effect is poor, so the temperature in the local area is often too high, resulting in thermal deformation of the high-frequency cavity, thus reduce its stability. [0003] In order to avoid thermal deformation of the high-frequency cavity and reduce adverse effects on its stability, the prior art mainly adopts a method of strengthening the strength of the high-frequency cavity to reduce its thermal deformation, thereby improving its stability. However, since this method does not fundamentally solve the problems caused by high temperature, the effect i...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems caused by the thermal deformation of the high frequency cavity of the existing small medical cyclotron, improve its stability and reduce the cost, the present invention provides a water cooling circuit of the high frequency cavity of the small medical cyclotron, which includes the water cooling circuit of the upper D plate, the lower The water cooling circuit of the D board, the water cooling circuit of the high frequency inner rod and the water cooling circuit on both sides and bottom of the high frequency cavity, the specific structure is as follows:

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