Radiation shield device and radiation system

Abstract

The invention discloses a radiation shield device comprising a space, an opening and a trap (2), wherein, the space is formed by a shield wall; a radiation source is arranged in the space; the opening is formed in the shield wall; the trap (2) is formed by the outward bulge of part of the shield wall; by the shield wall of the trap (2), the number that the radial generated by the radiation sourceis scattered by the barrier shield in the space when achieving the opening is increased. The invention utilizes a compact labyrinth structure with the trap to carry out radiation shield and protection; the labyrinth wall and the trap carries out effective shield and rapid attenuation on the transmitted ray generated in the radiation source and scattering ray generated in ray transmission process to realize the condition that the radiation level of a labyrinth shield device at peripheral boundary meets the design requirements; a throat sheet in a certain shape is designed in a proper position,which can decrease scattering area of the ray and further lower radiation level leaking out; the compact labyrinth structure with the trap has small occupation area and low protection cost, and can satisfy the requirements of continuous and rapid operation of the radiation system.

Description

technical field [0001] The invention relates to an irradiation system, in particular to a radiation shielding device. Background technique [0002] Such as Figure 6 As shown, most of the radiation protection devices used in the traditional irradiation treatment system are ordinary multi-turn labyrinth structures. This structure is simple, but the transmission distance is long, and it is difficult to meet the needs of continuous and faster irradiation treatment. In addition, the labyrinth of the common protective structure also has problems such as excessively large floor area and high protection cost. Contents of the invention [0003] The object of the present invention is to provide a radiation shielding device and an irradiation system, which can use traps to increase the number of scattering required for the rays generated by the radiation source to reach the entrance and exit of the labyrinth in the maze, so as to achieve radiation rapid attenuation. [0004] Accor...

AI Technical Summary

Problems solved by technology

[0002] like Image 6 As shown, most of the radiation protection devices used in the traditional irradiation treatment system are ordinary multi-turn labyrinth structures. This structure is simple, but the transmission distance is long, and it is difficult to meet the needs of continuous and faster irradiation treatment.

In addition, the labyrinth of ordinary protective structures still has problems such as too large an area and high protection costs.

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