Self-shielding accelerator and pet plastic bottle production line utilizing same

Abstract

A self-shielding accelerator is provided, which includes an accelerator assembly, a high-frequency electrode plate, a rectification and voltage multiplication assembly, a solenoid-type transformer assembly, a cooling system assembly and a shielding steel cylinder. The self-shielding accelerator further includes a steel cylinder base connected to the shielding steel cylinder. The accelerator assembly is horizontally fixed to the steel cylinder base. The rectification and voltage multiplication assembly is fixed to the steel cylinder base by a support plate. The high-frequency electrode plate and the solenoid-type transformer assembly are connected to the steel cylinder base through multiple horizontally arranged support columns. The cooling system assembly is fixed to the shielding steel cylinder. The self-shielding accelerator adopts a fully horizontal self-shielding structure, and can be seamlessly joined to the filling production line, which makes online radiation processing possible. A PET plastic bottle production line utilizing the accelerator is also provided.

Claims

1. A self-shielding accelerator, comprising: an accelerator assembly, a high-frequency electrode plate, a rectification and voltage multiplication assembly, a solenoid transformer assembly, a cooling system assembly, and a shielding steel cylinder, wherein the self-shielding accelerator further comprises a steel cylinder base connected to the shielding steel cylinder, the accelerator assembly is horizontally fixed to the steel cylinder base, the rectification and voltage multiplication assembly is fixed to the steel cylinder base by a support plate, the high-frequency electrode plate and the solenoid transformer assembly are connected to the steel cylinder base through a plurality of horizontally arranged support columns, and the cooling system assembly is fixed to the shielding steel cylinder, wherein the shielding steel cylinder and the steel cylinder base are provided with a plurality of footings, and each of the footings is provided with a guide wheel cooperating with a track, wherein one of the footings of the shielding steel cylinder is further provided with an electrical opening and closing assembly.

2. The self-shielding accelerator according to claim 1, wherein the support plate is further provided with an accelerator support block and an adjusting bolt which are connected to the accelerator assembly.

3. The self-shielding accelerator according to claim 1, wherein the number of the support columns is four, and two of the four support columns are provided at an upper end of the steel cylinder base and the other two of the four support columns are provided at a lower end of the steel cylinder base.

4. A polyethylene terephthalate plastic bottle production line comprising the self-shielding accelerator according to claim 1, a filling production line, wherein a scanning box is provided between the filling production line and the self-shielding accelerator, and the scanning box is connected at a seamless connection to an irradiation cavity of the filling production line via a step surface.

5. A polyethylene terephthalate plastic bottle production line comprising the self-shielding accelerator according to claim 2, a filling production line, wherein a scanning box is provided between the filling production line and the self-shielding accelerator, and the scanning box is seamlessly connected to an irradiation cavity of the filling production line via a step surface.

6. A polyethylene terephthalate plastic bottle production line comprising the self-shielding accelerator according to claim 5, a filling production line, wherein a scanning box is provided between the filling production line and the self-shielding accelerator, and the scanning box is seamlessly connected to an irradiation cavity of the filling production line via a step surface.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a side view of a self-shielding accelerator according to the present application;

(2) FIG. 2 is a top view of the self-shielding accelerator according to the present application;

(3) FIG. 3 is a side view of a PET plastic bottle production line according to the present application; and

(4) FIG. 4 is a top view of the PET plastic bottle production line according to the present application.

DETAILED DESCRIPTION OF EMBODIMENTS

(5) The present application is further described in conjunction with the drawings of the specification.

(6) As shown in FIG. 1 and FIG. 2, a self-shielding accelerator includes an accelerator assembly 2, a high-frequency electrode plate 4, a rectification and voltage multiplication assembly 5, a solenoid-type transformer assembly 6, a cooling system assembly 7 and a shielding steel cylinder 8. The self-shielding accelerator further includes a steel cylinder base 1 connected to the shielding steel cylinder 8. The accelerator assembly 2 is horizontally fixed to the steel cylinder base 1. The rectification and voltage multiplication assembly 5 is fixed to the steel cylinder base 1 via a support plate 12. The high-frequency electrode plate 4 and the solenoid-type transformer assembly 6 are connected to the steel cylinder base 1 by multiple horizontally arranged support columns 3. The cooling system assembly 7 is fixed to the shielding steel cylinder 8.

(7) In this embodiment, the steel cylinder base 1 is provided with four support columns 3, which are respectively provided at an upper end and a lower end of the steel cylinder base 1. The four support columns 3 are fixed to the steel cylinder base. The high-frequency electrode plate 4 and the solenoid-type transformer assembly 6, etc., which are previously fixed to the main steel cylinder of the accelerator, are now respectively fixed by means of the four support columns 3, thus having the advantages of a simple structure and convenient maintenance. In this way, all critical components are fixed to the steel cylinder base 1. In maintenance, as long as the main steel cylinder is opened, these critical components can be inspected and maintained. Thus, a new horizontal installation structure is provided.

(8) The support plate 12 is further provided with an accelerator support block 9 and an adjusting bolt 10 which are connected to the accelerator assembly 2, which avoids the influence of deflection of an acceleration tube and ensures a horizontal position of the acceleration tube.

(9) The shielding steel cylinder 8 and the steel cylinder base 1 are provided with multiple footings. Each of the footings is provided with a guide wheel 13 cooperating with a track 14. One of the footings of the shielding steel cylinder 8 is further provided with an electrical opening and closing assembly 11. The shielding structure is divided into two portions, with one portion being a beam scanning system portion and another portion being an accelerator main body shielding portion. The beam scanning system portion is connected to a filling production line, to ensure the self-shielding accelerator to be seamlessly joined to the production line. The shielding body is an all-steel structure. The shielding steel cylinder 8 may be electrically opened and closed through the beam scanning system portion and the accelerator main body shielding portion by means of the electrical opening and closing assembly 11. Thus, the self-shielding accelerator has advantages of a small volume, a good shielding effect, simple operation and so on, and the convenience of installation and maintenance is also greatly increased.

(10) A PET plastic bottle production line using the self-shielding accelerator is further provided according to the present application, which includes a filling production line 40. A scanning box 30 is provided between the filling production line 40 and the self-shielding accelerator 20. The scanning box 30 is seamlessly connected to an irradiation cavity 50 of the filling production line 40 by a step surface. Thus the self-shielding accelerator is seamlessly joined to the entire filling production line. The scanning box for the self-shielding accelerator according to the present application is joined to an opening surface of the production line directly, which may avoid leakage of radiation, thus the safety of the product is ensured.

(11) In conclusion, the self-shielding accelerator and the PET plastic bottle production line utilizing the accelerator are provided according to the present application. The self-shielding accelerator adopts a fully horizontal self-shielding structure, and can be seamlessly joined to the filling production line, which makes online radiation processing possible.

(12) The basic principle, main features and advantages of the present application are shown and described hereinabove. It should be understood by the person skilled in the art that, the present application is not limited to the above embodiment. The above embodiment and the description in the specification are only intended to illustrate the principle of the present application. Various variations and improvements may be made to the present application without departing from the spirit and scope of the present application, and these variations and improvements are all deemed to fall into the scope of the present application as claimed. The scope of the present application as claimed is defined by the claims and equivalents thereof.