KR200230624Y1 - Radioactive Waste Filter Containment Container - Google Patents

Abstract

The present invention relates to a radioactively contaminated waste filter storage container for accommodating and safely storing a waste filter disposed of in a nuclear reactor regardless of its size. A radioactively contaminated waste consisting of an inner cylinder 20 having an accommodation space 22 for receiving a waste filter and a lid 30 for enclosing the storage chamber 12 of the outer cylinder 10 disposed in the containment chamber 12. In the filter containment vessel, a plurality of supporters 28 for accommodating waste filters having different diameters and elastically pressurizing the outer surface of the waste filter are provided at the inner circumference of the inner cylinder 20 to limit lateral flow. It is characterized by being inclined downward toward the inner side of the inner cylinder (20). In addition, the supporter 28 is made of spring steel capable of elastic deformation, and the supporter 28 is installed to face each other along the circumferential direction on the inner circumferential surface of the inner cylinder 20 and installed in multiple layers from the top to the bottom. do.

Description

Radioactive Contaminated Waste Filter Containment Container

The present invention relates to a radioactively contaminated waste filter containment vessel, and more particularly, to a radioactively contaminated waste filter containment vessel for receiving and safely storing a waste filter disposed in a reactor regardless of its size.

As is well known, nuclear power plants using nuclear reactors are configured to burn (nuclear fission) a plurality of fuel rods made of enriched uranium or plutonium to generate steam from the heat generated, and to rotate the turbine and generators to produce electricity. have. Such nuclear power plants must be provided with a large amount of water used as cooling water or moderator, and also require a filter to filter out impurities or foreign substances contained in the water.

On the other hand, because the filter may be contaminated with radioactive material, the old filter must be safely disposed after replacement. Such a waste filter is usually placed in a separate containment container and filled with a solid material such as cement or paraffin. It is then solidified and stored in a safe place.

Looking at the conventional waste filter containment container with reference to Figures 1 and 2, the waste filter containment container is largely composed of an outer cylinder (10) and the inner cylinder (20). The outer cylinder 10 has a compartment 12 having an open top, and the compartment 12 is sealed or opened by a separate lid 30.

In addition, the inner cylinder 20 is disposed inside the outer cylinder 10 to accommodate the waste filter, the upper receiving space 22 is formed so as to accommodate the waste filter, the bottom surface of the net 24 Consists of And when the inner cylinder 20 is arrange | positioned in the outer cylinder 10, the spring leg 26 is provided in the inner cylinder 20 so that the outer surface may be spaced apart from the inner peripheral surface and the bottom surface of the outer cylinder 10 at predetermined intervals. The spring legs 26 are mounted at equal intervals along the circumferential direction at upper and lower circumferences of the outer surface of the inner cylinder 20, and are installed at four locations, and have sufficient elastic force to provide an inner circumferential surface and a bottom of the outer cylinder 10. It is bent to a predetermined curvature so as to be in close contact with the surface. Therefore, the inner cylinder 20 is arrange | positioned at the predetermined distance from the inner peripheral surface and the bottom surface of the outer cylinder 10 by the spring leg 26. As shown in FIG.

Meanwhile, in such a state, the waste filter F is accommodated in the accommodation space 22 of the inner cylinder 20, and the storage 12 of the outer cylinder 10, that is, the storage between the outer cylinder 10 and the inner cylinder 20. The seal 12 is filled with cement, which is a solid fire, and the upper part of the outer cylinder 10 is covered with a lid 30 to be completely sealed, and then stored in a safe place.

However, such a conventional radiocontaminated waste filter containment container has not only hassle to have various kinds of inner cylinders 20 according to the size of the waste filter, and also manufactures inner cylinders 20 having different sizes. There was a disadvantage that the manufacturing cost is increased because it must be provided.

Therefore, the present invention has been devised to solve the above problems, the purpose is to accommodate the different size of the waste filter with a single inner cylinder to reduce the hassle of having the various inner cylinders In addition, the present invention provides a radioactively contaminated waste filter containment container which can reduce manufacturing costs by not having multiple inner cylinders of different sizes.

1 is an exploded perspective view showing the configuration of a conventional radioactively contaminated waste filter container;

2 is a cross-sectional view showing a coupling state of FIG.

Figure 3 is an exploded perspective view showing the configuration of the radioactive polluted waste filter container according to the present invention,

4 is a cross-sectional view illustrating a coupling state of FIG. 3.

♣ Explanation of symbols for the main parts of the drawing ♣

10: outer cylinder 12: hangar

20: inner cylinder 22: accommodation space

26: spring leg 28: supporter

30: lid

The present invention for achieving the above object is a radioactive contamination consisting of an outer cylinder having a compartment, an inner cylinder having a receiving space disposed in the compartment of the outer cylinder and containing a waste filter, and a lid for sealing the compartment of the outer cylinder. In the waste filter containing container, it is possible to accommodate waste filters having different diameters, and at the same time, a plurality of supporters are provided on the inner circumferential surface of the inner cylinder to elastically press the outer surface of the waste filter to limit the lateral flow toward the inside of the inner cylinder. It is characterized by being inclined downward.

Preferably, the supporter is made of a spring steel capable of elastic deformation, the supporter is installed to face each other along the circumferential direction on the inner circumferential surface of the inner cylinder and is characterized in that it is installed in multiple layers from the top to the bottom.

Hereinafter, a preferred embodiment of a radioactively contaminated waste filter container according to the present invention will be described in detail with reference to the accompanying drawings (the same components will be described using the same reference numerals).

Figure 3 is an exploded perspective view showing the configuration of the radioactive contaminated waste filter container according to the present invention, Figure 4 is a cross-sectional view showing a combined state of FIG. According to this, the waste filter containment container consists of the outer cylinder 10 and the inner cylinder 20 largely. The outer cylinder 10 has a storage chamber 12 with an open top, and is closed or opened by the lid 30.

The inner cylinder 20 is disposed in the containment chamber 12 of the outer cylinder 10 to accommodate the waste filter F, the receiving space 22 for receiving the waste filter (F) is formed, the bottom surface is high The fire is made of a net 24 so as to seep into the receiving space 22 of the inner cylinder (20). The accommodating space 22 is opened upward to accommodate the waste filter F from the top, and a plurality of supporters 28 pressurizes the outer surface of the waste filter F by elastic deformation on the inner sidewall surface. Is installed.

The supporter 28 is made of spring steel with strong elasticity, and is installed downward to allow the entry of the waste filter F into the accommodation space 22 and to prevent the separation from the accommodation space 22. It is installed at equal intervals along the circumferential direction of. Here, the supporter 28 is preferably installed to face each other so as to strongly adhere the outer surface of the waste filter (F).

In addition, the supporter 28 is installed in several layers from the top to the bottom, and configured to vary the length of the protruding from the inner cylinder 20 according to the layers so as to evenly press the outer surfaces of the waste filters F having different diameters. do. Therefore, the inner cylinder 20 can accommodate the waste filters F having different diameters by the supporter 28 which can be elastically deformed, and the supporters 28 strongly adhere to the outer surface of the waste filters F. Therefore, the lateral flow is limited. On the other hand, the inner cylinder 20 should be formed large to accommodate the largest diameter of the waste filter, the supporter 28 protrudes sufficiently in the radially inner side of the inner cylinder 20 so as to compress the smallest diameter waste filter. Should be.

On the other hand, the inner cylinder 20 is provided with a spring leg 26 so that the outer surface is spaced apart from the inner peripheral surface and the bottom surface of the outer cylinder 10 by a predetermined interval. The spring legs 26 are installed at equal intervals along the circumferential direction on the upper and lower circumferences of the outer surface of the inner cylinder 20, and have a sufficient curvature so as to be in close contact with the inner circumferential surface and the bottom surface of the outer cylinder 10. Bent into. Accordingly, the inner cylinder 20 is disposed at a predetermined distance from the inner circumferential surface and the bottom surface of the outer cylinder 10 by the spring legs 26.

The operation and effects of the radioactive contaminated waste filter containment vessel having such a configuration are as follows. First, when the inner cylinder 20 is inserted into the storage chamber 12 of the outer cylinder 10, the inner cylinder 20 is fixedly installed in the outer cylinder 10 inside. At this time, the inner cylinder 20 is disposed at a predetermined distance from the inner circumferential surface and the bottom surface of the outer cylinder 10 by the spring legs 26. In addition, the waste filter F is accommodated in the accommodation space 22 of the inner cylinder 20 while the inner cylinder 20 is disposed in the outer cylinder 10. That is, when the waste filter F is inserted into the open upper portion of the inner cylinder 20, the waste filter F enters the accommodation space 22 of the inner cylinder 20, and the net 24 along the supporter 28. Is inserted until it reaches. And the outer surface of the waste filter (F) completely inserted into the inner cylinder 20, the supporter 28 is in close contact with each other, the lateral flow of the waste filter (F) is limited. On the other hand, in such a state, the containment chamber 12 of the outer cylinder 10, that is, the compartment 12 between the outer cylinder 10 and the inner cylinder 20 is filled with cement, etc., which is a solid material, and the opening of the outer cylinder 10 is filled in. The top is completely covered with a lid 30, and then stored in a safe place.

On the other hand, the above-described embodiment is merely to describe the preferred embodiment of the present invention, the scope of application of the present invention is not limited to such, and can be changed appropriately within the scope of the same idea. For example, the shape and structure of each component specifically shown in the embodiment of the present invention can be modified.

As described above, the radioactive contaminated waste filter containment container according to the present invention is provided with a plurality of supporters for pressurizing the outer surface of the waste filter having different diameters on the inner surface of the inner cylinder to provide waste filters of various sizes with a single inner cylinder. By being able to accommodate, not only to reduce the hassle of having to provide a variety of inner cylinders as in the prior art, it is not necessary to have a plurality of inner cylinders of different sizes to have an effect of reducing the production cost.

Claims (3)

An outer cylinder 10 having a compartment 12, an inner cylinder 20 having a receiving space 22 disposed in the compartment 12 of the outer cylinder 10 and containing a waste filter, and the outer cylinder 10. In the radioactive contaminated waste filter containing container consisting of a lid 30 for sealing the containment chamber 12, In the inner circumference of the inner cylinder 20, a plurality of supporters 28 elastically pressurizes the outer surface of the waste filter so as to accommodate waste filters having different diameters and at the same time limit the lateral flow. A radioactively contaminated waste filter containment vessel, characterized in that it is installed at an inclined downward direction. The radioactive contaminated waste filter container according to claim 1, wherein the supporter (28) is made of spring steel which is elastically deformable. The radioactive contaminated waste filter container according to claim 1, wherein the supporter 28 is installed on the inner circumferential surface of the inner cylinder 20 so as to face each other along the circumferential direction and is installed in a plurality of layers from the top to the bottom. .